CN209542266U - A kind of ancillary test device of Rebound Modulus of Subgrade test - Google Patents
A kind of ancillary test device of Rebound Modulus of Subgrade test Download PDFInfo
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- CN209542266U CN209542266U CN201920119526.XU CN201920119526U CN209542266U CN 209542266 U CN209542266 U CN 209542266U CN 201920119526 U CN201920119526 U CN 201920119526U CN 209542266 U CN209542266 U CN 209542266U
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- Prior art keywords
- rotary shaft
- right part
- axle bed
- roller
- hammer
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Abstract
The utility model discloses a kind of ancillary test devices of Rebound Modulus of Subgrade test, including left and right strut, rotary shaft, motor, display equipment and the hammer body that drops hammer, left part axle bed is fixed at the top of left branching rod, right part axle bed is fixed at the top of right strut, rotary shaft left end is rotatablely installed on left part axle bed, rotary shaft right end is rotatablely installed on right part axle bed, roller is installed in rotary shaft, data line is wound on roller, the hammer body that drops hammer is equipped with pressure sensor, rotary shaft right end passes through right part axle bed and is fixedly connected with the power output shaft of motor, right strut is connected with water tank by height adjustment knob, water tank bottom is communicated with aqueduct, left branching rod bottom is hinged with several left support arms, right strut bottom is hinged with several right part support arms.The utility model drives roller to carry out unwrapping wire or take-up operation by the fixed rotary shaft of left and right strut and motor, by motor, and drop hammer hammer body lower end fixation pressure sensor, and the conversion test of Rebound Modulus of Subgrade may be implemented.
Description
Technical field
The utility model relates to the ancillary tests that live soil test field more particularly to a kind of Rebound Modulus of Subgrade are tested
Device.
Background technique
The modulus of resilience refers to that its corresponding rebound of stress that roadbed, road surface and road-making material generate under load action is answered
The ratio of change, Rebound Modulus of Subgrade indicate that soil matrix in elastic deformation stage, under Action of Vertical Loads, resists vertical deformation
Ability, if vertical load is definite value, the vertical displacement that Rebound Modulus of Subgrade value generates if bigger is just smaller；If vertical displacement
It is definite value, modulus of resilience value is bigger, then the ability of soil matrix receiving external load effect is just bigger, therefore, uses back in Pavement Design
Play index of the modulus as soil matrix compression strength.The current rebound test device that drops hammer is heavy, needs artificial pull-up to drop hammer, and move
Dynamic inconvenience, more to rely on manpower, testing efficiency is lower, affects the universal of its.
Utility model content
Place in view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of surveys of Rebound Modulus of Subgrade
The ancillary test device of examination drives roller to carry out unwrapping wire or take-up by the fixed rotary shaft of left and right strut and motor by motor
Operation, drop hammer hammer body lower end fixation pressure sensor, and the conversion test of Rebound Modulus of Subgrade may be implemented.
The purpose of this utility model is achieved through the following technical solutions:
A kind of ancillary test device of Rebound Modulus of Subgrade test, including left branching rod, right strut, rotary shaft, roller, electricity
Machine shows equipment and the hammer body that drops hammer, and the left branching rod and right strut or so are arranged in parallel, and is fixed with left part at the top of the left branching rod
Axle bed, is fixed with right part axle bed at the top of the right strut, and the rotary shaft left end rotational installation is on left part axle bed, the rotation
Axis right end is rotatablely installed on right part axle bed, being equipped with roller in the rotary shaft, and data line is wound on the roller, described
The hammer body that drops hammer is equipped with pressure sensor, and one end of the data line is fixedly connected with the hammer body that drops hammer and the end end of data line
Portion is electrically connected with pressure sensor, and the other end of the data line is electrically connected with display equipment；The motor has power output
Axis, the rotary shaft right end pass through right part axle bed and are fixedly connected with the power output shaft of motor, and the right strut is adjusted by height
Section knob is connected with water tank, and the water tank bottom is communicated with aqueduct；The left branching rod bottom is equipped with left part idler wheel, the right branch
Bar bottom is equipped with right part idler wheel, and the left branching rod bottom is hinged with several left support arms, and all left support arms are located at a left side
Above portion's idler wheel, the right strut bottom is hinged with several right part support arms, and all right part support arms are located on right part idler wheel
Side.
In order to be better achieved the utility model, the left support arm is equipped with card slot A, the left branching rod be equipped with
The left part fixture block that the card slot A of left support arm is mutually clamped, the right part support arm are equipped with card slot B, set on the right strut
There is the right part fixture block being mutually clamped with the card slot B of right part support arm.
Preferably, the roll slides are installed in rotary shaft, the roller left end is fixed with corresponding with rotary shaft
Left part position lockset, the roller right end is fixed with corresponding with rotary shaft right part positioning lockset, and the roller passes through a left side
Portion's positioning lockset, right part positioning lockset are respectively locked in rotary shaft.
Preferably, being equipped with water valve on the aqueduct.
Preferably, being equipped with left part bearing on the left part axle bed, the rotary shaft left end, which is rotatably assorted, is installed on a left side
In the left part bearing of portion's axle bed, right part bearing is installed on the right part axle bed, the rotary shaft right end fits through right part axis
The right part bearing of seat is fixedly connected with the power output shaft of motor.
The utility model compared with the prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model is by the fixed rotary shaft of left and right strut and motor, by motor drive roller carry out unwrapping wire or
Take-up operation, drop hammer hammer body lower end fixation pressure sensor, and the conversion test of Rebound Modulus of Subgrade may be implemented.
(2) roller of the utility model is mutually slidably connected with rotary shaft, lockset can be positioned by left part and right part is fixed
Position lockset realizes the locking with rotary shaft, roller can also be allowed to move left and right, to complete the modulus of resilience test of different points.
(3) left and right portion's idler wheel of the utility model can be convenient mobile entire ancillary test device, can quickly carry out scene
The modulus of resilience of different location is tested.
(4) because pressure sensor surface speckles with soil after multiple field test, it will affect test result, this is practical new
The aqueduct of type is used for cleaning pressure sensor, it is ensured that test accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, title corresponding to the appended drawing reference in attached drawing are as follows:
1- left branching rod, the right strut of 2-, 3- rotary shaft, 4- roller, 5- motor, 6- data line, 7- show equipment,
8- drops hammer hammer body, 9- pressure sensor, 10- height adjustment knob, 11- water tank, 12- aqueduct, 13- water valve, 14-
Left part idler wheel, 15- right part idler wheel, 16- left support arm, 17- right part support arm, 18- left part fixture block, 19- right part card
Block, 20- left part position lockset, and 21- right part positions lockset, 22- left part axle bed, 23- right part axle bed.
Specific embodiment
The utility model is described in further detail below with reference to embodiment:
Embodiment
As shown in Figure 1, a kind of ancillary test device of Rebound Modulus of Subgrade test, including left branching rod 1, right strut 2, rotation
Axis 3, roller 4, motor 5, display equipment 7 and the hammer body 8 that drops hammer, left branching rod 1 are arranged in parallel with right strut 2 or so, left branching rod 1 and the right side
2 size of strut is identical, and the height of left branching rod 1 and right strut 2 is 78.1cm, and the spacing between left branching rod 1 and right strut 2 is
128.8cm is fixed with left part axle bed 22 at the top of left branching rod 1, and right part axle bed 23 is fixed at the top of right strut 2, and 3 left end of rotary shaft turns
Dynamic to be installed on left part axle bed 22,3 right end of rotary shaft is rotatablely installed on right part axle bed 23, and roller 4 is equipped in rotary shaft 3,
The diameter of roller 4 is 25cm, is wound with data line 6 on roller 4, and the hammer body 8 that drops hammer is equipped with pressure sensor 9, as shown in Figure 1,
The pressure sensor 9 of the present embodiment is fixed on 8 bottom of hammer body of dropping hammer, one end of data line 6 be fixedly connected with the hammer body 8 that drops hammer and
The end end of data line 6 is electrically connected that (the end end of the present embodiment data line 6 is electrically connected with pressure sensor 9 with pressure sensor 9
It connects, while data line 6 is fixedly welded on close to the part of the end end and drops hammer on hammer body 8 or the hammer body 8 that drops hammer of the present embodiment
Middle part is provided with longitudinal threading duct, and the end end of data line 6 is electrically connected after passing through threading duct with pressure sensor 9, simultaneously
Data line 6 can be fixedly connected close to the part of the end end with the hammer body 8 that drops hammer, to guarantee stability), data line 6 it is another
End is electrically connected with display equipment 7.Motor 5 has power output shaft, and 3 right end of rotary shaft passes through the dynamic of right part axle bed 23 and motor 5
Power output shaft is fixedly connected, and right strut 2 is connected with water tank 11 by height adjustment knob 10, and 11 bottom of water tank is communicated with aqueduct
12, water valve 13 is installed, aqueduct 12 is manufactured using soft rubber material on the preferred aqueduct 12 of the utility model.Left branching rod
1 bottom is equipped with left part idler wheel 14, and right 2 bottom of strut is equipped with right part idler wheel 15, and 1 bottom of left branching rod is hinged with several left supports
Arm 16, all left support arms 16 are located at 14 top of left part idler wheel, and right 2 bottom of strut is hinged with several right part support arms 17,
All right part support arms 17 are located at 15 top of right part idler wheel.The left part idler wheel 14 of the present embodiment, the diameter of right part idler wheel 15 are
4.5cm。
Left and right vertical bar is arranged symmetrically, and size is identical, high 78.1cm, spacing 128.8cm, guide rail long 128.8cm, wide
1.6cm, coil diameter 25cm, idler wheel include left and right idler wheel, and diameter is identical, are 4.5cm, drop hammer and be welded under data line
End.
As shown in Figure 1, left support arm 16 is equipped with card slot A, left branching rod 1 is equipped with the card slot A with left support arm 16
The left part fixture block 18 being mutually clamped, right part support arm 17 are equipped with card slot B, and right strut 2 is equipped with the card with right part support arm 17
The right part fixture block 19 that slot B is mutually clamped.
As shown in Figure 1, roller 4 is slidably mounted in rotary shaft 3,4 left end of roller is fixed with a left side corresponding with rotary shaft 3
Portion positions lockset 20, and 4 right end of roller is fixed with right part positioning lockset 21 corresponding with rotary shaft 3, and roller 4 is positioned by left part
Lockset 20, right part positioning lockset 21 are respectively locked in rotary shaft 3.
As shown in Figure 1, being equipped with left part bearing on left part axle bed 22,3 left end of rotary shaft, which is rotatably assorted, is installed on left part axis
In the left part bearing of seat 22, right part bearing is installed, 3 right end of rotary shaft fits through the right side of right part axle bed 23 on right part axle bed 23
Portion's bearing is fixedly connected with the power output shaft of motor 5.
It is positioned in use, flipping up all left support arms 16 and being clamped with left part fixture block 18 first, by all right sides
Portion's support arm 17 is flipped up and is clamped with right part fixture block 19 and positions, and then fills water in water tank 11, and by left part positioning lock
Tool 20 is locked in the rotary shaft 3 in 4 left side of roller, and right part positioning lockset 21 is locked in the rotary shaft 3 on 4 right side of roller, this
Roller 4 is just locked in rotary shaft 3 by sample, and roller 4 is moved synchronously with rotary shaft 3.Entire ancillary test device is moved to needs
The point of test is (since the utility model ancillary test device has left part idler wheel 14 and right part idler wheel 15, auxiliary entire in this way
Experimental rig is mobile just very convenient, laborsaving), all left support arms 16 and all right part support arms 17 are put down, it will be entire auxiliary
Helping experimental rig to be located in needs at point to be tested.Start motor 5, motor 5 drives rotary shaft 3 to rotate forward, 3 band of rotary shaft
Dynamic roller 4 rotates, and data line 6 is wound on roller 4, and roller 4 carries out take-up operation so that the hammer body 8 that drops hammer rises to specific bit
It sets, soil matrix is hit in 8 free-falling of hammer body that then to drop hammer (in the process, can unlock left part positioning lockset 20 and roller 4
Locking between the rotary shaft 3 in left side, while the locking between the rotary shaft 3 on the right side of right part positioning lockset 21 and roller 4 is unlocked,
Roller 4 can rotate in rotary shaft 3 in this way, can be convenient roller 4 and carry out payoff operation；Certain the utility model can also be with
The corresponding locking for not unlocking left part positioning lockset 20, right part positioning lockset 21, directly initiates motor 5 and rotates backward), soil matrix
Bear to drop hammer hammer body 8 external load and to dropping hammer 8 one upward reaction forces of hammer body, promote to fall under the reaction force of soil matrix
It hammers hammer body 8 into shape to rebound, the reaction force of the 9 real-time measurement soil matrix of pressure sensor for 8 bottom of hammer body of dropping hammer simultaneously passes through reaction force
6 real-time Transmission of data line facilitates experimenter to check in time to display equipment 7.It is passed in this way by the pressure for 8 bottom of hammer body of dropping hammer
9 real-time measurement of sensor goes out the reaction force of soil matrix and real-time Transmission is to display equipment 7, and display equipment 7 passes through the anti-work to soil matrix
Carrying out analysis with force data can be obtained the modulus of resilience of soil matrix, thus may be implemented to carry out the modulus of resilience of soil matrix quick
Test.Left part positioning lockset 20 is unlocked into the locking with the rotary shaft 3 in 4 left side of roller, right part positioning lockset 21 is unlocked and rolled
The locking of the rotary shaft 3 on 4 right side of cylinder, the traveling roller 4 in rotary shaft 3, the Rebound Modulus of Subgrade that can carry out multiple points are surveyed
Examination, if 9 bottom of pressure sensor speckles with soil, openable water valve 13 is cleaned by the water spray of conduit 12, it is ensured that test
Then precision packs up left support arm 16 and right part support arm 17, by all left support arms 16 flip up and with left part card
All right part support arms 17 are flipped up and are clamped positioning with right part fixture block 19, pass through left part idler wheel 14 by the clamping positioning of block 18
Soil matrix rebound test is carried out to next point with the mobile entire ancillary test device of right part idler wheel 15, so that soil matrix be rapidly completed
Rebound test.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of ancillary test device of Rebound Modulus of Subgrade test, it is characterised in that: including left branching rod (1), right strut (2),
Rotary shaft (3), roller (4), motor (5), display equipment (7) and the hammer body that drops hammer (8), the left branching rod (1) and right strut (2) are left
The right side is arranged in parallel, and is fixed with left part axle bed (22) at the top of the left branching rod (1), is fixed with right part axis at the top of the right strut (2)
Seat (23), rotary shaft (3) left end rotational installation on left part axle bed (22), rotary shaft (3) the right end rotational installation in
It on right part axle bed (23), is equipped with roller (4) on the rotary shaft (3), is wound with data line (6) on the roller (4), it is described
Hammer body (8) are dropped hammer equipped with pressure sensor (9), one end of the data line (6) is fixedly connected and counts with the hammer body that drops hammer (8)
It is electrically connected according to the end end of line (6) with pressure sensor (9), the other end and display equipment (7) of the data line (6) are electrically connected
It connects；The motor (5) has power output shaft, and rotary shaft (3) right end passes through the power of right part axle bed (23) and motor (5)
Output shaft is fixedly connected, and the right strut (2) is connected with water tank (11) by height adjustment knob (10), water tank (11) bottom
Portion is communicated with aqueduct (12)；Left branching rod (1) bottom is equipped with left part idler wheel (14), and right strut (2) bottom is equipped with the right side
Portion's idler wheel (15), left branching rod (1) bottom are hinged with several left support arms (16), and all left support arms (16) are located at
Above left part idler wheel (14), right strut (2) bottom is hinged with several right part support arms (17), all right part support arms
(17) it is located above right part idler wheel (15).
2. a kind of ancillary test device of Rebound Modulus of Subgrade test described in accordance with the claim 1, it is characterised in that: the left side
Portion's support arm (16) is equipped with card slot A, and the left branching rod (1) is mutually clamped equipped with the card slot A with left support arm (16)
Left part fixture block (18), the right part support arm (17) are equipped with card slot B, and the right strut (2) is equipped with and right part support arm
(17) the right part fixture block (19) that card slot B is mutually clamped.
3. a kind of ancillary test device of Rebound Modulus of Subgrade test according to claim 1 or 2, it is characterised in that: institute
It states roller (4) to be slidably mounted on rotary shaft (3), it is fixed that roller (4) left end is fixed with left part corresponding with rotary shaft (3)
Position lockset (20), roller (4) right end are fixed with right part positioning lockset (21) corresponding with rotary shaft (3), the roller
(4) it is respectively locked on rotary shaft (3) by left part positioning lockset (20), right part positioning lockset (21).
4. a kind of ancillary test device of Rebound Modulus of Subgrade test described in accordance with the claim 1, it is characterised in that: described to lead
Water valve (13) are installed on water pipe (12).
5. a kind of ancillary test device of Rebound Modulus of Subgrade test described in accordance with the claim 1, it is characterised in that: the left side
Left part bearing is installed, rotary shaft (3) left end, which is rotatably assorted, is installed on the left part of left part axle bed (22) on portion's axle bed (22)
In bearing, right part bearing is installed on the right part axle bed (23), rotary shaft (3) right end fits through right part axle bed (23)
Right part bearing be fixedly connected with the power output shaft of motor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119526.XU CN209542266U (en) | 2019-01-23 | 2019-01-23 | A kind of ancillary test device of Rebound Modulus of Subgrade test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119526.XU CN209542266U (en) | 2019-01-23 | 2019-01-23 | A kind of ancillary test device of Rebound Modulus of Subgrade test |
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| Publication Number | Publication Date |
|---|---|
| CN209542266U true CN209542266U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920119526.XU Expired - Fee Related CN209542266U (en) | 2019-01-23 | 2019-01-23 | A kind of ancillary test device of Rebound Modulus of Subgrade test |
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| Country | Link |
|---|---|
| CN (1) | CN209542266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373991A (en) * | 2021-06-23 | 2021-09-10 | 唐春梅 | Road bridge changeover portion road bed settlement test platform |
-
2019
- 2019-01-23 CN CN201920119526.XU patent/CN209542266U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373991A (en) * | 2021-06-23 | 2021-09-10 | 唐春梅 | Road bridge changeover portion road bed settlement test platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20210123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |