CN203616218U - Cement concrete abrasive resistance evaluation device - Google Patents
Cement concrete abrasive resistance evaluation device Download PDFInfo
- Publication number
- CN203616218U CN203616218U CN201320743253.9U CN201320743253U CN203616218U CN 203616218 U CN203616218 U CN 203616218U CN 201320743253 U CN201320743253 U CN 201320743253U CN 203616218 U CN203616218 U CN 203616218U
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- cement concrete
- friction roller
- motor
- wearing quality
- follower lever
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Abstract
The utility model discloses a cement concrete abrasive resistance evaluation device. The device comprises a supporting component, a power component and an experiment component, wherein the supporting component comprises a base, a vertical column mounted on the base, and a testing piece groove used for placing a cement concrete testing piece is formed in the base; the power component comprises a motor mounted on the vertical column, and a rotating shaft connected with the motor; the experiment component comprises a driven rod vertically connected with the rotating shaft; a rotatable friction roller is mounted at the tail end of the driven rod; the friction roller is positioned right above the testing piece groove and is contacted with the cement concrete testing piece placed in the testing piece groove; lug bosses are arranged on the friction roller. According to the cement concrete abrasive resistance evaluation device, the friction roller provided with the lug bosses, driven by the motor, is placed in the cement concrete placed in the testing groove in a swinging manner for impact and friction, and the scene of impact and abrasion of the road surface to the cement concrete is simulated, so that the abrasive resistance of the cement concrete can be evaluated more accurately and objectively.
Description
Technical field
The utility model belongs to cement concrete detection field, relates in particular to a kind of cement concrete wearing quality evaluating apparatus.
Background technology
Wearing quality is the main durability index of cement concrete pavement, along with the high speed development of China's road engineering, adopts cement concrete more and more as the road surface of material.A lot of roads damage because too poor causing of wearing quality.So be very important to the evaluation of cement concrete pavement wearing quality.The method of the evaluation wearing quality of existing wearing quality is to utilize ball bearing method, and its principle is take ball bearing as bistrique, and this bistrique, in the time that ordinance load rotates, rolls and sliding friction to produced by flour milling.This all evaluation method is not considered the impact friction of vehicle road pavement, and the place of concrete road surface serious wear is the place of vehicular impact wearing and tearing.
Utility model content
For above-mentioned defect or deficiency, the purpose of this utility model is to provide a kind of cement concrete wearing quality evaluating apparatus, the accurately wearing quality of test water cement concrete.
For achieving the above object, the utility model is achieved by the following technical solutions:
Comprise: support unit, power part, and the experimental part that is connected of power part, wherein, support unit comprises base and is installed on the column on base, offers the test specimen groove of placing cement concrete test specimen on base; Power part comprises the motor being installed on column and the rotating shaft being connected with motor; Experimental part comprises the friction roller being connected with rotating shaft.
Described experimental part also comprises follower lever, follower lever is connected with rotating shaft is vertical, and the end of follower lever is provided with the friction roller that can rotate, follower lever friction roller be positioned at test specimen groove directly over, and contact with the cement concrete test specimen being positioned in test specimen groove, on friction roller, be provided with projection.
Described friction roller is cylindrical structure.
The end of described follower lever is provided with friction roller support, and friction roller is installed on friction roller support by bearing.
The spring that alleviates driven vibration of bar is installed on described follower lever.
On described column, be provided with the speed setting unit and the switchgear that are connected with motor.
Shown in power part also comprise the round-meshed disk in center, disk is installed on motor, rotating shaft is connected with motor through circular hole.
Described column is installed on base by stator.
Compared with the prior art, the beneficial effects of the utility model are:
The utility model provides a kind of cement concrete wearing quality evaluating apparatus, by support unit, power part, and experimental part composition, make proving installation simple in structure, easy to operate, the utility model is connected vertical to machine shaft and follower lever, to be installed on end with protruding friction roller, to make friction roller under the drive of motor, in the mode swinging, the cement concrete being positioned in test specimen groove is carried out to impact friction, simulate the sight that road shocks weares and teares to cement concrete, and then can be more accurate, objectively can make evaluation to cement concrete wearing quality.
Further, in the utility model, adopt right cylinder friction roller, the friction that more real simulation road surface is subject to, in addition, follower lever is provided with spring vibration damper, the mode of action of real simulation carload.
Accompanying drawing explanation
Fig. 1 is the cement concrete wearing quality evaluating apparatus structural representation that the utility model provides;
Fig. 2 is the cement concrete wearing quality evaluating apparatus test pattern that the utility model provides.
In figure, 1 is disk, and 2 is motor, and 3 is column, and 4 is base, and 5 is rotating shaft, 6 is follower lever, and 7 is spring, and 8 is friction roller support, and 9 is friction roller, and 10 is circular hole, and 11 is stator, 12 is test specimen groove, and 13 is coupling arrangement, and 14 is bearing, and 15 is speed setting unit, and 16 is switchgear.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Shown in Fig. 1,2, the utility model provides a kind of cement concrete wearing quality evaluating apparatus, comprising: support unit, power part, and experimental part;
Support unit comprises base 4 and is installed on the column 3 on base 4, and column 3 is provided with stator 11 with the bearing of base 4, and described column 3 is installed on and on base 4 upper bed-plates 4, is offered the test specimen groove 12 of placing cement concrete test specimen by stator 11;
Power part comprises the motor 2 being installed on column 3 and the rotating shaft 5 being connected with motor 2, the disk 1 of center with circular hole 10 is installed on motor 2, disk 1 is installed on motor 2, rotating shaft 5 is connected with motor 2 through circular hole 10, is provided with the speed setting unit 15 and the switchgear 16 that are connected with motor 2 on described column 3;
Experimental part comprises and rotating shaft follower lever 6 connected vertically, follower lever 6 is connected with rotating shaft by coupling arrangement 13, the end of follower lever 6 is provided with the friction roller 9 that can rotate, friction roller 9 is cylindrical structure, friction roller 9 be positioned at test specimen groove 12 directly over, and contact with the cement concrete test specimen being positioned in test specimen groove 12, on friction roller 9, be provided with projection.Preferably, the end of described follower lever 6 is provided with friction roller support 8, and friction roller 9 is installed on friction roller support 8 by bearing 14, and the spring 7 that alleviates driven vibration of bar is installed on follower lever 6.
In the utility model, described support unit comprises base 4, and its effect is to stablize whole device, and experiment can steadily be carried out smoothly; Column 3, power part and the test parts on its effect supporting top; Stator 11, is fixed on column 3 on base 4.Described power part comprises motor 2, and its effect is to provide test parts power, drives follower lever 6 to rotate by rotating shaft, is that friction roller 9 carries out impact friction to test specimen thereby make friction hammer; 1, its effect is that motor and experimental part are above separated, and guarantees experimenter's safety, and the effect of the circular hole of disk 1 is that the connected rotating shaft 5 of transference motor is passed through; The rotating shaft 5 being connected with motor, its effect is that motor power is passed to follower lever 6, drives follower lever 6 to rotate; Coupling arrangement 13, its effect is to connect the rotating shaft 5 and follower lever 6 that are connected with motor; Motor speed regulating device 15, its effect is the rotating speed that regulates motor 2, and different impact friction speed is provided; Switchgear 16, its effect is to start and stop motor 2 to rotate.Described test parts comprises follower lever 6, and its effect is to drive friction roller 9 to rotate test specimen is carried out to impact friction; Spring 7, its effect alleviates driven vibration of bar, imitates the shock mitigation system of automobile, makes percussive action more approach road surface truth; Friction roller support 8, its effect is fixed friction roller, is connected with friction roller by bearing 14; Bearing 14, its effect is that friction roller 9 can be rotated; Friction roller 9, is right cylinder, and its effect is that cement concrete surface is carried out to impact friction, the projection on friction roller 9, and its effect is that concrete sample surface is rubbed; Test specimen groove 12, its effect is to hold fixing cement concrete test specimen.
Concrete operations comprise the following steps:
(1) measure the good cement concrete test specimen volume of maintenance, be recorded as v1, measurement concrete is subject to the area s of rubbing surface;
(2) cement concrete test specimen is positioned in test specimen groove 12, starter-generator 2, drives 14 friction rollers to carry out impact friction experiment to test specimen surface;
(3) after the experiment schedule time, close motor 2, finish impact friction experiment, the concrete powder under the mantle friction of cement concrete test specimen is removed, and then carried out stereometry for the second time, recording volume v2;
(4) calculate the average impact friction one-tenth-value thickness 1/10 of soil cement (v1-v2)/s.
(5) carry out the evaluation of cement concrete wearing quality, average impact friction one-tenth-value thickness 1/10 is larger, and the wearing quality of cement concrete is poorer; Otherwise its wearing quality is better.
The utility model technology further improves and feature is:
1, the utility model tester can apply percussive action to test specimen, the wearing and tearing of real simulation road shocks.
2, in the utility model, follower lever is provided with spring vibration damper, the mode of action of real simulation carload.
3, the utility model adopts right cylinder friction roller, the friction that more real simulation road surface is subject to.
4, the method and the index that the utility model proposes new evaluation road surface wearing quality, new method can be evaluated the wearing quality of cement concrete more objectively.
5, the utility model can as required, regulate the rotating speed of motor.
6, this device is simple to operate, economical and practical.
Claims (8)
1. a cement concrete wearing quality evaluating apparatus, it is characterized in that, comprise: support unit, power part, and the experimental part that is connected of power part, wherein, support unit comprises base (4) and is installed on the column (3) on base (4), offers the test specimen groove (12) of placing cement concrete test specimen on base (4); Power part comprises the motor (2) being installed on column (3) and the rotating shaft (5) being connected with motor (2); Experimental part comprises the friction roller (9) being connected with rotating shaft (5).
2. cement concrete wearing quality evaluating apparatus according to claim 1, it is characterized in that, described experimental part also comprises follower lever (6), follower lever (6) and vertical connection of rotating shaft (5), the end of follower lever (6) is provided with the friction roller (9) that can rotate, follower lever (6) friction roller (9) be positioned at test specimen groove (12) directly over, and contact with the cement concrete test specimen being positioned in test specimen groove (12), friction roller is provided with projection on (9).
3. cement concrete wearing quality evaluating apparatus according to claim 1 and 2, is characterized in that, described friction roller (9) is cylindrical structure.
4. cement concrete wearing quality evaluating apparatus according to claim 2, is characterized in that, the end of described follower lever (6) is provided with friction roller support (8), and friction roller (9) is installed on friction roller support (8) by bearing (14).
5. cement concrete wearing quality evaluating apparatus according to claim 2, is characterized in that, the spring (7) that alleviates driven vibration of bar is installed on described follower lever (6).
6. cement concrete wearing quality evaluating apparatus according to claim 1, is characterized in that, is provided with the speed setting unit (15) and the switchgear (16) that are connected with motor (2) on described column (3).
7. cement concrete wearing quality evaluating apparatus according to claim 1, it is characterized in that, shown in power part also comprise the disk (1) of center with circular hole (10), it is upper that disk (1) is installed on motor (2), rotating shaft (5) is connected with motor (2) through circular hole (10).
8. cement concrete wearing quality evaluating apparatus according to claim 1, is characterized in that, described column (3) is installed on base (4) by stator (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743253.9U CN203616218U (en) | 2013-11-21 | 2013-11-21 | Cement concrete abrasive resistance evaluation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743253.9U CN203616218U (en) | 2013-11-21 | 2013-11-21 | Cement concrete abrasive resistance evaluation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616218U true CN203616218U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320743253.9U Expired - Fee Related CN203616218U (en) | 2013-11-21 | 2013-11-21 | Cement concrete abrasive resistance evaluation device |
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| Country | Link |
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| CN (1) | CN203616218U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630454A (en) * | 2013-11-21 | 2014-03-12 | 长安大学 | Abrasive resistance index testing instrument and method for cement concrete |
| CN108267373A (en) * | 2018-01-04 | 2018-07-10 | 青岛科技大学 | A kind of multi-functional coatings device for detecting performance |
| CN109490516A (en) * | 2018-12-20 | 2019-03-19 | 中国建筑第八工程局有限公司 | Cement plate quality detection device and detection method |
-
2013
- 2013-11-21 CN CN201320743253.9U patent/CN203616218U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630454A (en) * | 2013-11-21 | 2014-03-12 | 长安大学 | Abrasive resistance index testing instrument and method for cement concrete |
| CN103630454B (en) * | 2013-11-21 | 2016-03-02 | 长安大学 | A kind of cement concrete wearing quality film index testing instrument and method of testing thereof |
| CN108267373A (en) * | 2018-01-04 | 2018-07-10 | 青岛科技大学 | A kind of multi-functional coatings device for detecting performance |
| CN109490516A (en) * | 2018-12-20 | 2019-03-19 | 中国建筑第八工程局有限公司 | Cement plate quality detection device and detection method |
| CN109490516B (en) * | 2018-12-20 | 2024-01-23 | 中国建筑第八工程局有限公司 | Cement board quality detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20161121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |