CN217765943U - Device for measuring concrete slump expansion degree - Google Patents
Device for measuring concrete slump expansion degree Download PDFInfo
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- CN217765943U CN217765943U CN202221423877.8U CN202221423877U CN217765943U CN 217765943 U CN217765943 U CN 217765943U CN 202221423877 U CN202221423877 U CN 202221423877U CN 217765943 U CN217765943 U CN 217765943U
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- organic glass
- glass board
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- round steel
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Abstract
The utility model discloses a be used for concrete slump expansion measuring device, including fixed organic glass board, activity organic glass board, be connected with the measurement structure on the fixed organic glass board, it has cup jointed to slide on the measurement structure activity organic glass board, activity organic glass inboard connected with damping structure, through be equipped with the scale mark on the stainless steel round steel in this device, when guaranteeing measurement accuracy, also can be convenient for read measured data when measuring, through placing the device in the concrete top of slump when measuring, remove activity organic glass board for activity organic glass board and fixed organic glass board are respectively in the concrete both sides of slump, and convenient operation directly tak away the device away can after using the completion simultaneously, very convenient in the aspect of maintaining, effectively guaranteed test quality, high efficiency, science, have higher practical spreading value.
Description
Technical Field
The utility model relates to a building trade concrete mixture detects technical field, specifically is a be used for concrete slump expansion measuring device.
Background
With the development of building engineering technology, the use of high-fluidity concrete and high-performance concrete in building construction becomes a common phenomenon. In the performance detection of the high-fluidity concrete, the detection of the expansion degree is important for judging the quality of the high-fluidity concrete, the segregation resistance of the concrete can be known through the detection, and important basis is provided for the design and quality control of the high-fluidity concrete.
According to the requirements of GB/T50080 of Standard of Performance test methods of common concrete mixtures, main instruments used for slump expansion tests are slump testers and steel rulers, and after the concrete slump test is finished, the concrete expansion test is continuously finished. The concrete slump test is that a steel ruler is used for measuring the height difference between the height of the cylinder and the highest point of the concrete sample after slump, and the concrete expansion test is that a steel ruler is used for measuring the maximum diameter of the unfolded surface of the concrete mixture and the diameter which is vertical to the maximum diameter.
In the test and detection process, the steel ruler is suitable for measuring the height of the concrete, but the steel ruler is used for measuring the diameter of the expansion surface of the concrete mixture, the test data deviation is caused due to the fact that the height of the concrete naturally accumulated in the center of the expansion surface is influenced, and at least two testers are needed to cooperate to complete the measurement when the steel ruler is used for measuring the diameter of the expansion surface of the concrete mixture.
The use of a vernier caliper is usually considered first when measuring the diameter of an object. According to concrete performance detection experience, when the concrete slump reaches 160mm, the expansion degree is about 450mm, the expansion degree is increased along with the increase of the slump, the expansion degree of large-fluidity concrete such as self-compacting concrete can be larger than 650mm, the standard size of a conventional vernier caliper is not suitable for the expansion degree test requirement on the market, the vernier caliper belongs to a device with higher precision, the maintenance is more complicated after the use, in addition, the expansion degree of the concrete mixture is accurate to 1mm, and the precision of the vernier caliper is far larger than the test requirement. Therefore, a special steel ruler for measuring the expansion degree is needed, which not only meets the requirement of test precision, but also is convenient to operate and maintain daily. To this end, a device for measuring the slump expansion is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for concrete slump expansion measuring device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for concrete slump extension measuring device, includes fixed organic glass board, activity organic glass board, be connected with the measurement structure on the fixed organic glass board, the slip has cup jointed on the measurement structure activity organic glass board, activity organic glass board internal connection has the damping structure, the measurement structure includes stainless steel round steel, scale mark, recess, tight pulley and fixed axle, stainless steel round steel one end is connected on the fixed organic glass board, the activity has cup jointed on the stainless steel round steel activity organic glass board, be equipped with on the stainless steel round steel the scale mark.
As further preferable in the present technical solution: the fixing organic glass plate is internally provided with a mounting hole, one end of the stainless steel round steel is fixed with an insertion rod, and the stainless steel round steel is inserted and installed on the fixing organic glass plate.
As a further preferred aspect of the present invention: the stainless steel round steel is horizontally placed, and the fixed organic glass plate and the movable organic glass plate are both vertically connected with the stainless steel round steel.
As a further preferred aspect of the present invention: the stainless steel round steel fixing device is characterized in that the grooves are formed in the two sides of the stainless steel round steel, the fixing wheels are uniformly distributed in the grooves, and the fixing wheels are fixedly connected to the insides of the stainless steel round steel through the fixing shafts.
As a further preferred aspect of the present invention: the damping structure comprises a rubber block, a limiting hole, a spring, a through groove and a fixing rod, wherein a sliding groove, a protection groove, a jack and a clamping groove are formed in the movable organic glass plate, and the protection groove is located above the scale mark.
As a further preferred aspect of the present invention: the fixing rod is fixedly arranged in the through groove, the rubber block is movably inserted in the clamping groove, the spring is elastically pressed on the side wall of the rubber block, the limiting hole is formed in the top end of the rubber block, the jack is formed in the top end of the movable organic glass plate, and the fixing rod is inserted in the jack and the limiting hole in a damping mode.
Compared with the prior art, the beneficial effects of the utility model are that:
through being equipped with the scale mark on the stainless steel round steel in this device, when guaranteeing measurement accuracy, also can be convenient for read measured data when measuring, through placing the device in the concrete top of slump when measuring, remove movable organic glass board, make movable organic glass board and fixed organic glass board respectively in the concrete both sides of slump, the simple operation, simultaneously use accomplish the back directly take away the device away can, in the very facility in the aspect of maintaining, effectively guaranteed test quality, high efficiency, science, higher practical spreading value has.
Through fixing a plurality of tight pulley in stainless steel round steel both sides in this device, can be when measuring for the activity organic glass board has certain damping effect when sliding on stainless steel round steel, and the organic glass board natural slip's phenomenon appears when preventing to test the measurement, influences the test result, further improves the usability, the accuracy of device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the organic glass plate and the insertion rod;
FIG. 3 is a left side schematic view of the stainless steel round steel structure of the present invention;
FIG. 4 is a schematic diagram of the plugging structure of the stainless steel round steel and the movable organic glass plate;
FIG. 5 is a schematic view of the structure of the present invention showing the insertion fit between the stainless steel round steel and the movable organic glass plate;
fig. 6 is a schematic diagram of the damping structure of the present invention.
In the figure: 1. fixing the organic glass plate; 10. mounting holes;
2. a movable organic glass plate; 21. a protective groove; 22. a jack; 23. a card slot;
3. a measurement structure; 30. a rod is inserted; 31. stainless steel round steel; 32. scale lines; 33. a groove; 34. a fixed wheel; 35. a fixed shaft;
4. a damping structure; 40. a rubber block; 401. a limiting hole; 41. a spring; 42. a through groove; 43. and (5) fixing the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a be used for concrete slump extension measuring device, including fixed organic glass board 1, activity organic glass board 2, be connected with on the fixed organic glass board 1 and measure structure 3, it has cup jointed activity organic glass board 2 to slide on the measurement structure 3, 2 internal connection of activity organic glass board has damping structure 4, it includes stainless steel round steel 31 to measure structure 3, scale mark 32, recess 33, tight pulley 34 and fixed axle 35, the mounting hole 10 has been seted up to 1 inside of fixed organic glass board, 31 one end of stainless steel round steel is fixed with inserted bar 30, stainless steel round steel 31 is installed on fixed organic glass board 1 through 30 pegs graft of inserted bar, activity organic glass board 2 has been cup jointed in the activity on the stainless steel round steel 31, be equipped with scale mark 32 on the stainless steel round steel 31.
Wherein the length of the stainless steel round steel 31 is 690mm, and the diameter is 10mm; the length of inserted bar 30 is 10mm, and the diameter is 9mm, and stainless steel round steel 31 is 0 with the junction registration of inserted bar 30, and the registration is along the one end increase of stainless steel round steel 31 afterwards, and the scale mark 32 precision on the stainless steel round steel 31 is 1mm, and fixed organic glass board 1 is 160mm with the height of activity organic glass board 2, and thickness is 16mm, and the width is 100mm. The stainless steel round steel 31 level is placed, and fixed organic glass board 1 all is connected with the stainless steel round steel 31 is perpendicular with activity organic glass board 2, and inserted bar 30 pegs graft and fixes through glue behind the jack 22 of fixed organic glass board 1 inside.
Inside recess 33 of having seted up in stainless steel round steel 31 both sides, the inside evenly distributed of recess 33 has a tight pulley 34, and tight pulley 34 passes through fixed axle 35 fixed connection inside stainless steel round steel 31, through the tight pulley 34 that sets up fixed connection in stainless steel round steel 31 both sides, can make activity organic glass board 2 have certain damping effect when sliding on stainless steel round steel 31, and natural slip's phenomenon appears in organic glass board 2 when preventing experimental measurement influences the test result.
The damping structure 4 comprises a rubber block 40, a limiting hole 401, a spring 41, a through groove 42 and a fixing rod 43, wherein a sliding groove 20, a protection groove 21, a jack 22 and a clamping groove 23 are formed in the movable organic glass plate 2, the protection groove 21 is positioned above the scale mark 32, a plurality of springs 41 are fixed in the through groove 42, the rubber block 40 is movably inserted in the clamping groove 23, the springs 41 are elastically pressed on the side wall of the rubber block 40, the limiting hole 401 is formed in the top end of the rubber block 40, the jack 22 is formed in the top end of the movable organic glass plate 2, and the fixing rod 43 is inserted in the jack 22 and the limiting hole 401 in a damping mode;
this section is for through setting up damping structure 4 in activity organic glass board 2 inside, damping structure 4 carries out elastic support through spring 41 to rubber block 40, make activity organic glass board 2 when sliding on stainless steel round steel 31, carry out the elastic extrusion to the inside tight pulley 34 of stainless steel round steel 31 through rubber block 40, can play the damping effect to activity organic glass board 2 when sliding on stainless steel round steel 31 when measuring, avoid when experimental reading, activity organic glass board 2 takes place to slide, lead to experimental measurement registration to read the mistake.
Working principle or structural principle:
the using method comprises the following steps: place the device level and stably put steadily on waiting to detect concrete mixture next door, move movable organic glass board 2 to the great place of 31 terminal departments of stainless steel round steel measuring numerical value of stainless steel round steel on stainless steel round steel 31, move the device to waiting to detect concrete upper portion afterwards, concrete one side edge is hugged closely to fixed organic glass board 1, then move movable organic glass board 2 to hugging closely concrete opposite side edge, read the reading of movable organic glass board 2 on stainless steel round steel 31, accurate to 1mm, this device of washing after the experiment is accomplished.
Through the tight pulley 34 that sets up fixed connection in stainless steel round steel 31 both sides, can make activity organic glass board 2 have certain damping effect when sliding on stainless steel round steel 31, organic glass board 2 the phenomenon of natural slip appears when preventing experimental measurement, through at the inside damping structure 4 that sets up of activity organic glass board 2, damping structure 4 carries out elastic support to block rubber 40 through spring 41, make activity organic glass board 2 when sliding on stainless steel round steel 31, carry out the elastic extrusion to the tight pulley 34 of stainless steel round steel 31 inside through block rubber 40, can play the damping effect when sliding on stainless steel round steel 31 to activity organic glass board 2 when measuring, avoid when experimental reading, activity organic glass board 2 takes place to slide, lead to experimental measurement registration to read the mistake.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a device for concrete slump expansion degree is measured, includes fixed organic glass board (1), activity organic glass board (2), its characterized in that: be connected with on fixed organic glass board (1) and measure structure (3), it cup joints to slide on measuring structure (3) activity organic glass board (2), activity organic glass board (2) internal connection has damping structure (4), it includes stainless steel round steel (31), scale mark (32), recess (33), tight pulley (34) and fixed axle (35) to measure structure (3), stainless steel round steel (31) one end is connected on fixed organic glass board (1), the activity cup joints on stainless steel round steel (31) activity organic glass board (2), be equipped with on stainless steel round steel (31) scale mark (32).
2. An apparatus for measuring slump expansion according to claim 1, wherein: the fixing organic glass plate (1) is internally provided with a mounting hole (10), one end of each stainless steel round steel (31) is fixed with an insert rod (30), and the stainless steel round steel (31) passes through the insert rod (30) to be inserted and installed on the fixing organic glass plate (1).
3. An apparatus for measuring slump expansion according to claim 1, wherein: the stainless steel round steel (31) is horizontally placed, and the fixed organic glass plate (1) and the movable organic glass plate (2) are perpendicularly connected with the stainless steel round steel (31).
4. An apparatus for measuring slump expansion according to claim 1, wherein: inside seted up of stainless steel round steel (31) both sides recess (33), the inside evenly distributed of recess (33) has tight pulley (34), tight pulley (34) pass through fixed axle (35) fixed connection be in inside stainless steel round steel (31).
5. The apparatus for measuring slump expansion of concrete as claimed in claim 1, wherein: damping structure (4) include rubber block (40), spacing hole (401), spring (41), lead to groove (42), dead lever (43), inside spout (20), protection groove (21), jack (22), draw-in groove (23) have been seted up in activity organic glass board (2), protection groove (21) are located scale mark (32) top.
6. An apparatus for measuring slump expansion according to claim 5, wherein: the novel plastic rubber sealing device is characterized in that a plurality of springs (41) are fixed inside the through groove (42), the rubber block (40) is movably inserted inside the clamping groove (23), the springs (41) are elastically pressed on the side wall of the rubber block (40), the limiting hole (401) is formed in the top end of the rubber block (40), the jack (22) is formed in the top end of the movable organic glass plate (2), and the fixing rod (43) is inserted into the jack (22) and the limiting hole (401) in a damping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221423877.8U CN217765943U (en) | 2022-06-09 | 2022-06-09 | Device for measuring concrete slump expansion degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221423877.8U CN217765943U (en) | 2022-06-09 | 2022-06-09 | Device for measuring concrete slump expansion degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217765943U true CN217765943U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221423877.8U Active CN217765943U (en) | 2022-06-09 | 2022-06-09 | Device for measuring concrete slump expansion degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217765943U (en) |
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2022
- 2022-06-09 CN CN202221423877.8U patent/CN217765943U/en active Active
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