CN215492899U - Self-compaction concrete capability test device - Google Patents
Self-compaction concrete capability test device Download PDFInfo
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- CN215492899U CN215492899U CN202121454819.7U CN202121454819U CN215492899U CN 215492899 U CN215492899 U CN 215492899U CN 202121454819 U CN202121454819 U CN 202121454819U CN 215492899 U CN215492899 U CN 215492899U
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Abstract
The utility model discloses a self-compacting concrete performance testing device which comprises a supporting base, a testing box, a protective door, a testing cylinder, a testing assembly, a lifting assembly and a moving device, wherein the testing box is arranged on the supporting base, a testing cavity with an opening at the front end is arranged in the testing box, the protective door is hinged on the side wall of the testing box, the testing cylinder is arranged on the bottom wall of the testing cavity in a sliding manner, a moving cavity is arranged in the bottom wall of the testing box, the moving device is arranged in the moving cavity, the lifting assembly is arranged on the supporting base, and the testing assembly is arranged on the lifting assembly; the moving device comprises a driving screw rod, a moving block, a driving motor and a pressure sensor. The utility model relates to the field of concrete performance testing, and particularly provides a self-compacting concrete performance testing device capable of directly and objectively obtaining the self-compacting performance of self-compacting concrete.
Description
Technical Field
The utility model relates to the field of concrete performance testing, in particular to a self-compacting concrete performance testing device.
Background
The self-compacting concrete is the concrete which can flow and compact under the action of self gravity, can completely fill the template even if compact steel bars exist, and simultaneously obtains good homogeneity without additional vibration; the performance of the self-compacting concrete is greatly different from that of common concrete, the performance of the self-compacting concrete cannot be objectively measured by adopting a performance testing method and a performance testing device of the common concrete, but the self-compacting concrete is mostly reflected by slump in the current market, but the self-compacting concrete cannot be truly reflected by the index.
SUMMERY OF THE UTILITY MODEL
Aiming at the situation, in order to overcome the current technical defects, the utility model provides a self-compacting concrete performance testing device which can directly and objectively obtain the self-compacting performance of the self-compacting concrete.
The technical scheme adopted by the utility model is as follows: a self-compacting concrete performance testing device comprises a supporting base, a testing box, a protective door, a testing cylinder, a testing assembly, a lifting assembly and a moving device, wherein the testing box is arranged on the supporting base, a testing cavity with an opening at the front end is arranged in the testing box, the protective door is hinged on the side wall of the testing box, the testing cylinder is arranged on the bottom wall of the testing cavity in a sliding manner, a moving cavity is arranged in the bottom wall of the testing box, the moving device is arranged in the moving cavity, the lifting assembly is arranged on the supporting base, and the testing assembly is arranged on the lifting assembly; the moving device comprises a driving screw, a moving block, a driving motor and a pressure sensor, wherein a moving chute is formed in the bottom wall of the testing cavity, the moving chute is communicated with the moving cavity, the driving motor is arranged on the supporting base, the driving screw is rotatably arranged in the moving cavity, one end of the driving screw penetrates through the side wall of the moving cavity and is connected with an output shaft of the driving motor, the moving block is arranged on the driving screw through threaded connection, the moving block is slidably arranged in the moving chute, the pressure sensor is arranged on the bottom wall of the testing cavity, the pressure sensor is connected with the output shaft of the driving motor, a first magnet is arranged on the moving block, a fixing groove is formed in the bottom wall of the testing cylinder, a second magnet is arranged on the top wall of the fixing groove, the first magnet is slidably arranged in the fixing groove, and a placing cavity with an opening at the upper end is formed in the testing cylinder; the lifting assembly comprises a lifting column, a guide column and a limiting plate, the guide column is arranged on the supporting base, a guide cavity is formed in the guide column, the bottom end of the lifting column penetrates through the top end of the guide column and is slidably arranged in the guide cavity, the limiting plate is arranged at the bottom end of the lifting column, and the limiting plate is slidably arranged in the guide cavity; the test assembly comprises a support plate, a support column, a test pressing plate and a counterweight test block, wherein the support plate is arranged on the side wall of the lifting column, the top end of the support column is penetrated through the support plate and is arranged on the upper portion of the support plate, the bottom end of the support column is penetrated through the top wall of the test box and is arranged in the test cavity in a sliding mode, the bottom end of the test pressing plate is arranged in the bottom end of the support column, the test pressing plate is arranged in the placement cavity in a sliding mode, the counterweight test block is arranged on the support column, and the counterweight test block is arranged on the support plate.
Furthermore, the lifting component is symmetrically provided with two groups about the central axis of the supporting base.
Furthermore, the two sets of driving screws are symmetrically arranged on the central axis of the moving cavity, a driving belt is connected between the two sets of driving screws, the moving block is arranged corresponding to the driving shaft, the two sets of driving screws are respectively a driving screw and a driven driving screw, and the driving screw is connected with an output shaft of the driving motor.
Furthermore, the side wall of the lifting column is provided with scale marks.
Further, the side wall of the protective door is provided with a sealing ring.
Further, the driving motor is a forward and reverse rotating motor.
The utility model with the structure has the following beneficial effects: according to the self-compacting concrete performance testing device, the self-compacting concrete performance testing device is realized by matching the testing cylinder and the moving device, so that the self-compacting concrete sample to be detected can be conveniently added and cleaned, and the sample placement position can be conveniently fixed; realize through the cooperation of test component and lifting unit that self-compaction concrete capability test device detects self-compaction concrete sample, the self-compaction nature that can objective reachs self-compaction concrete.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a self-compacting concrete performance testing device according to the present invention;
fig. 2 is a schematic diagram of a right-side view structure of the self-compacting concrete performance testing device of the utility model.
The device comprises a supporting base 1, a supporting base 2, a testing box 3, a protective door 4, a testing cylinder 5, a testing component 6, a lifting component 7, a moving device 8, a testing cavity 9, a moving cavity 10, an installation base 11, a moving block 12, a driving motor 13, a pressure sensor 14, a moving chute 15, a first magnet 16, a second magnet 17, a lifting column 18, a guide column 19, a limiting plate 20, a guide cavity 21, a supporting plate 22, a supporting column 23, a testing pressing plate 24, a counterweight testing block 25, a driving belt 26, an active driving screw rod 27, a scale mark 28 and a sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, the technical scheme adopted by the utility model is as follows: a self-compacting concrete performance testing device comprises a supporting base 1, a testing box 2, a protective door 3, a testing cylinder 4, a testing component 5, a lifting component 6 and a moving device 7, wherein the testing box 2 is arranged on the supporting base 1, a testing cavity 8 with an opening at the front end is arranged in the testing box 2, the protective door 3 is hinged on the side wall of the testing box 2, the testing cylinder 4 is slidably arranged on the bottom wall of the testing cavity 8, a moving cavity 9 is arranged in the bottom wall of the testing box 2, the moving device 7 is arranged in the moving cavity 9, the lifting component 6 is arranged on the supporting base 1, and the testing component 5 is arranged on the lifting component 6; the moving device 7 comprises a driving screw, a moving block 11, a driving motor 12 and a pressure sensor 13, the bottom wall of the test chamber 8 is provided with a moving chute 14, the moving chute 14 is communicated with the moving chamber 9, the driving motor 12 is arranged on the supporting base 1, the driving screw is rotatably arranged in the moving chamber 9, one end of the driving screw penetrates through the side wall of the moving chamber 9 and is connected with an output shaft of the driving motor 12, the moving block 11 is connected with the driving screw through threads, the moving block 11 is slidably arranged in the moving chute 14, the pressure sensor 13 is arranged on the bottom wall of the test chamber 8, the pressure sensor 13 is connected with the output shaft of the driving motor 12, the moving block 11 is provided with a first magnet 15, the bottom wall of the test cylinder 4 is provided with a fixed groove, the top wall fixed groove is provided with a second magnet 16, and the first magnet 15 is slidably arranged in the fixed groove, a placing cavity with an opening at the upper end is arranged in the testing cylinder 4; the lifting assembly 6 comprises a lifting column 17, a guide column 18 and a limiting plate 19, the guide column 18 is arranged on the support base 1, a guide cavity 20 is arranged in the guide column 18, the bottom end of the lifting column 17 penetrates through the top end of the guide column 18 and is slidably arranged in the guide cavity 20, the limiting plate 19 is arranged on the bottom end of the lifting column 17, and the limiting plate 19 is slidably arranged in the guide cavity 20; the test assembly 5 includes backup pad 21, support column 22, test clamp plate 23 and counter weight test piece 24, backup pad 21 is located on the 17 lateral walls of lift post, support column 22 top is run through and is located backup pad 21 and locate backup pad 21 upper portion, support column 22 bottom is run through in 2 roof slides of test box locate test chamber 8, support column 22 bottom is located to test clamp plate 23, test clamp plate 23 slides and locates and place the intracavity, counter weight test piece 24 is located on support column 22, counter weight test piece 24 is located on backup pad 21.
Wherein, two sets of lifting unit 6 are provided with about supporting base 1 axis symmetry. The two groups of driving screws are symmetrically arranged around the central axis of the moving cavity 9, a driving belt 25 is connected between the two groups of driving screws, the moving block 11 is arranged corresponding to the driving shaft, the two groups of driving screws are respectively a driving screw 10 and a driven driving screw 26, and the driving screw 10 is connected with an output shaft of a driving motor 12. The side wall of the lifting column 17 is provided with scale marks 27. The side wall of the protective door is provided with a sealing ring 28. The driving motor 12 is a forward and reverse rotating motor.
When the device is used, the testing device is connected with an external power supply, the driving motor 12 is started, the driving motor 12 rotates forwards, the driving motor 12 drives the driving screw 10 to rotate forwards, the driving screw 10 drives the driven screw 26 to rotate synchronously through the driving belt 25, the driving screw drives the moving block 11 to move outwards to be close to the protective door 3, the testing cylinder 4 filled with the self-compacting concrete sample is manually placed on the moving block 11, the first magnet 15 on the moving block 11 is placed in the fixed groove of the testing cylinder 4, the first magnet 15 and the second magnet 16 are matched with each other to fix the testing cylinder 4, similarly, the driving motor 12 is turned over to move the testing cylinder 4 back to the testing cavity 8, the testing cylinder 4 touches the detection probe of the first pressure sensor 13, the first pressure sensor 13 controls the driving motor 12 to stop rotating, the testing cylinder 4 stays under the testing pressing plate 23, the position of the test cylinder 4 is determined manually, the trouble is reduced, the protective door 3 is closed, the sealing ring 28 enables the protective door 3 to be tightly attached to the test box 2, the test box 2 is kept closed, the test environment is guaranteed to be a standard environment, then the test is carried out, the test pressing plate 23 is pressed on a self-compacting concrete sample, the self-compacting concrete can shrink tightly under the standard environment, the size is gradually reduced, the counterweight test block 24 can descend along with the reduction of the self-compacting concrete under the action of gravity, the support plate 21 is driven to slide downwards, the support plate 21 drives the lifting column 17 to vertically slide downwards along the guide cavity 20, the counterweight test block 24 does not descend any more when the counterweight test block is reached, the descending length of the support column 22 is read from the scale mark 27 on the lifting column 17, and the length can be used as a reference value of the performance of the self-compacting concrete.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a self-compaction concrete capability test device which characterized in that: the device comprises a supporting base, a test box, a protective door, a test cylinder, a test assembly, a lifting assembly and a moving device, wherein the test box is arranged on the supporting base, a test cavity with an opening at the front end is arranged in the test box, the protective door is hinged to the side wall of the test box, the test cylinder is slidably arranged on the bottom wall of the test cavity, a moving cavity is arranged in the bottom wall of the test box, the moving device is arranged in the moving cavity, the lifting assembly is arranged on the supporting base, and the test assembly is arranged on the lifting assembly; the moving device comprises a driving screw, a moving block, a driving motor and a pressure sensor, wherein a moving chute is formed in the bottom wall of the testing cavity, the moving chute is communicated with the moving cavity, the driving motor is arranged on the supporting base, the driving screw is rotatably arranged in the moving cavity, one end of the driving screw penetrates through the side wall of the moving cavity and is connected with an output shaft of the driving motor, the moving block is arranged on the driving screw through threaded connection, the moving block is slidably arranged in the moving chute, the pressure sensor is arranged on the bottom wall of the testing cavity, the pressure sensor is connected with the output shaft of the driving motor, a first magnet is arranged on the moving block, a fixing groove is formed in the bottom wall of the testing cylinder, a second magnet is arranged on the top wall of the fixing groove, the first magnet is slidably arranged in the fixing groove, and a placing cavity with an opening at the upper end is formed in the testing cylinder; the lifting assembly comprises a lifting column, a guide column and a limiting plate, the guide column is arranged on the supporting base, a guide cavity is formed in the guide column, the bottom end of the lifting column penetrates through the top end of the guide column and is slidably arranged in the guide cavity, the limiting plate is arranged at the bottom end of the lifting column, and the limiting plate is slidably arranged in the guide cavity; the test assembly comprises a support plate, a support column, a test pressing plate and a counterweight test block, wherein the support plate is arranged on the side wall of the lifting column, the top end of the support column is penetrated through the support plate and is arranged on the upper portion of the support plate, the bottom end of the support column is penetrated through the top wall of the test box and is arranged in the test cavity in a sliding mode, the bottom end of the test pressing plate is arranged in the bottom end of the support column, the test pressing plate is arranged in the placement cavity in a sliding mode, the counterweight test block is arranged on the support column, and the counterweight test block is arranged on the support plate.
2. The self-compacting concrete performance testing device of claim 1, characterized in that: the lifting component is symmetrically provided with two groups about the central axis of the supporting base.
3. The self-compacting concrete performance testing device of claim 1, characterized in that: the driving screw rods are symmetrically arranged in two groups around the central axis of the moving cavity, a driving belt is connected between the two groups of driving screw rods, the moving block is arranged corresponding to the driving shaft, the two groups of driving screw rods are respectively a driving screw rod and a driven driving screw rod, and the driving screw rod is connected with an output shaft of a driving motor.
4. The self-compacting concrete performance testing device of claim 1, characterized in that: and scale marks are arranged on the side wall of the lifting column.
5. The self-compacting concrete performance testing device of claim 1, characterized in that: and a sealing ring is arranged on the side wall of the protective door.
6. The self-compacting concrete performance testing device of claim 3, characterized in that: the driving motor is a forward and reverse rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454819.7U CN215492899U (en) | 2021-06-29 | 2021-06-29 | Self-compaction concrete capability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454819.7U CN215492899U (en) | 2021-06-29 | 2021-06-29 | Self-compaction concrete capability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215492899U true CN215492899U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121454819.7U Active CN215492899U (en) | 2021-06-29 | 2021-06-29 | Self-compaction concrete capability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215492899U (en) |
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2021
- 2021-06-29 CN CN202121454819.7U patent/CN215492899U/en active Active
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