CN215833167U - Concrete bending resistance testing machine - Google Patents
Concrete bending resistance testing machine Download PDFInfo
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- CN215833167U CN215833167U CN202122091530.XU CN202122091530U CN215833167U CN 215833167 U CN215833167 U CN 215833167U CN 202122091530 U CN202122091530 U CN 202122091530U CN 215833167 U CN215833167 U CN 215833167U
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Abstract
The utility model discloses a concrete bending resistance testing machine which comprises a testing machine body, an auxiliary alignment mechanism and a clearing mechanism, wherein the testing machine body comprises a machine body, a pressure bearing seat, limiting rods and a supporting plate, the machine body consists of a rack, a hydraulic cylinder fixed on the rack and an upper pressing seat fixed at the bottom of the output end of the hydraulic cylinder, the pressure bearing seat is fixedly arranged at the center of the bottom of the inner wall of the testing machine body through a bolt, and the two limiting rods are symmetrically welded at the bottom of the inner wall of the machine body. The automatic aligning device overcomes the defects of the prior art, the two bevel gears are arranged, the motor can drive the two upper sleeve plates and the two lower sleeve plates to move simultaneously after running, the aligning efficiency is improved, positioning, clamping and aligning in multiple directions can be completed only by one motor, people can directly push the stones on the bearing seat into the garbage can through the cleaning groove, the crushed stones can be conveniently and rapidly cleaned, and the applicability of the testing machine is improved.
Description
Technical Field
The utility model relates to the technical field of concrete bending tests, in particular to a concrete bending test machine.
Background
A concrete bending resistance tester is an instrument used in the field of material science. Hydraulic loading and electronic force measurement are adopted, and the hydraulic loading and electronic force measurement device has the functions of load digital display, loading rate display, load maximum value display, overload protection and the like. The bending resistance testing machine is mainly used for bending resistance tests of test pieces such as concrete, refractory materials and bricks and compressive strength tests of building materials such as cement, mortar, refractory materials and bricks.
The center position of the span of the concrete test piece needs to be aligned with the center positions of the upper pressure seat and the bearing seat, but when the center position is aligned in a manual observation mode, the span of the concrete test piece is difficult to be aligned with the centers of the upper pressure seat and the bearing seat respectively, so that test data are prone to deviation, and the requirements of the prior art cannot be met.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a concrete bending resistance testing machine, which overcomes the defects of the prior art and aims to solve the problem that the center of a concrete test piece cannot be aligned with the centers of an upper pressure seat and a pressure bearing seat respectively.
In order to achieve the purpose, the utility model provides the following technical scheme: a concrete bending resistance testing machine comprises a testing machine body, an auxiliary alignment mechanism and a clearing mechanism, wherein the testing machine body comprises a machine body, a pressure bearing seat, limiting rods and a supporting plate, the machine body consists of a rack, a hydraulic cylinder fixed on the rack and an upper pressure seat fixed at the bottom of the output end of the hydraulic cylinder, the pressure bearing seat is fixedly installed at the center of the bottom of the inner wall of the testing machine body through a bolt, and the two limiting rods are symmetrically welded at the bottom of the inner wall of the machine body;
the auxiliary alignment mechanism comprises a motor, a first threaded rod, a second threaded rod, thread grooves, a first bevel gear, a second bevel gear, an upper sleeve plate, a lower sleeve plate and a positioning rod, the motor is fixedly arranged on a vertical rod welded on the top of the inner wall of the machine body through a bolt, one end of the first threaded rod is welded with the output end of the motor, the other end of the first threaded rod is rotatably connected with the second threaded rod through the first bevel gear and the second bevel gear, the first threaded rod and the second threaded rod are vertically distributed, two groups of the thread grooves are uniformly formed in the outer walls of the first threaded rod and the second threaded rod, the thread directions of the two groups of the thread grooves are opposite, the two upper sleeve plates and the two lower sleeve plates are both in threaded sleeve on the outer walls of the two groups of the thread grooves, the upper sleeve plate is positioned right above the lower sleeve plate, and both the upper sleeve plate and the lower sleeve plate are in contact with the top of the pressure bearing seat through the positioning rod, the two upper sleeve plates and the two lower sleeve plates are respectively sleeved on the outer wall of the limiting rod in a sliding manner;
the cleaning mechanism comprises a garbage can and a cleaning groove, and the cleaning groove is positioned at the top of one side of the garbage can;
the second bevel gear (26) is fixedly sleeved on the outer wall of one end of the second threaded rod (23), the second bevel gear (26) is meshed with the first bevel gear (25), and the second bevel gear (26) and the first bevel gear (25) are vertically distributed.
As a preferred technical scheme of the utility model, the first threaded rod and the second threaded rod are rotatably sleeved in the supporting plate, the supporting plate is uniformly welded on the top of the inner wall of the machine body, and the first bevel gear is fixedly sleeved on the outer wall of one end of the first threaded rod.
As a preferred technical scheme of the utility model, four positioning rods are respectively welded at the bottoms of one ends of the two upper sleeve plates and the two lower sleeve plates, and the bottoms of the positioning rods are contacted with the top of the pressure bearing seat.
As a preferred technical scheme of the utility model, the upper pressing seat in the machine body is positioned right above the pressure bearing seat, the motor is electrically connected with an external power supply, and the garbage can is fixedly arranged at the top of one side of the machine body through bolts.
As a preferred technical scheme of the utility model, the clearing groove is formed at the bottom of the inner wall of the machine body and is positioned between the pressure bearing seat and the garbage can.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the utility model, through the arrangement of the two threaded rods, the bevel gears and other components, and because the directions of the two adjacent threaded grooves are opposite, the two upper sleeve plates or the two lower sleeve plates on the same threaded rod can be close to or far away from each other, so that the upper sleeve plates and the lower sleeve plates on the two threaded rods can conveniently move the concrete sample to the centers of the upper pressure seat and the pressure bearing seat from four directions, the cross-center position of the concrete sample can be aligned to the center positions of the upper pressure seat and the pressure bearing seat, the error of test data is reduced, manual observation is not needed during alignment, time and labor are saved, and the practicability of the testing machine is improved.
(2) According to the utility model, through the arrangement of the two bevel gears, the motor can drive the two upper sleeve plates and the two lower sleeve plates to move simultaneously after running, so that the alignment efficiency is improved, positioning, clamping and alignment in multiple directions can be completed only by one motor, people can directly push the stone blocks on the bearing seat into the garbage can through the cleaning groove, the crushed stone blocks can be conveniently and rapidly cleaned, and the applicability of the testing machine is improved.
Drawings
FIG. 1 is a top sectional view of the overall structure of the present invention;
FIG. 2 is an elevational view of the overall construction of the present invention;
fig. 3 is an enlarged view of the structure a of fig. 2 according to the present invention.
Description of reference numerals:
1. a testing machine body; 11. a body; 12. a pressure bearing seat; 13. a limiting rod; 14. a support plate; 2. an auxiliary alignment mechanism; 21. a motor; 22. a first threaded rod; 23. a second threaded rod; 24. a thread groove; 25. a first bevel gear; 26. a second bevel gear; 27. an upper sheathing plate; 28. a lower sheathing plate; 29. positioning a rod; 3. a clearing mechanism; 31. a trash can; 32. and (6) clearing the groove.
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.
Referring to fig. 1-3, a concrete bending resistance testing machine includes a testing machine body 1, an auxiliary alignment mechanism 2 and a clearing mechanism 3, where the testing machine body 1 includes a machine body 11, a pressure-bearing seat 12, a limiting rod 13 and a supporting plate 14, the testing machine body 1 is a common concrete bending resistance testing machine, the machine body 11 is composed of a frame, a hydraulic cylinder fixed on the frame and an upper pressure seat fixed at the bottom of the output end of the hydraulic cylinder, and is the prior art, and it is not described herein too much, the pressure-bearing seat 12 is fixedly installed at the center of the bottom of the inner wall of the testing machine body 1 through a bolt, so as to fix the pressure-bearing seat 12, and two limiting rods 13 are symmetrically welded at the bottom of the inner wall of the machine body 11, so that the machine body 11 can fix the limiting rods 13;
the auxiliary alignment mechanism 2 comprises a motor 21, a first threaded rod 22, a second threaded rod 23, a threaded groove 24, a first bevel gear 25, a second bevel gear 26, an upper sleeve plate 27, a lower sleeve plate 28 and a positioning rod 29, so as to facilitate the auxiliary concrete test piece to cross and align with the centers of the upper pressure seat and the pressure bearing seat 12, the motor 21 is fixedly installed on an upright rod welded on the top of the inner wall of the machine body 11 through bolts so as to facilitate the fixation of the motor 21, one end of the first threaded rod 22 is welded with the output end of the motor 21 so as to facilitate the motor 21 to drive the first threaded rod 22 to rotate after running, the motor 21 can rotate forwards and backwards, for the prior art, the other end of the first threaded rod 22 is rotatably connected with the second threaded rod 23 through the first bevel gear 25 and the second bevel gear 26, the first bevel gear 25 and the second bevel gear 26 can connect the two threaded rods, the first threaded rod 22 and the second threaded rod 23 are vertically distributed, the concrete sample is convenient to push from multiple directions, two groups of thread grooves 24 are uniformly arranged on the outer walls of the first threaded rod 22 and the second threaded rod 23, the thread directions of the two groups of thread grooves 24 are opposite, as can be seen from the trend of the thread grooves on the first threaded rod and the second threaded rod in fig. 1, when two upper sleeve plates 27 are close to each other, two lower sleeve plates 28 are also close to each other, two upper sleeve plates 27 and two lower sleeve plates 28 are all sleeved on the outer walls of the two groups of thread grooves 24 in a threaded manner, the upper sleeve plates 27 and the lower sleeve plates 28 are convenient to rotate on the thread grooves 24, the upper sleeve plates 27 are positioned right above the lower sleeve plates 28, so that the movement of the upper sleeve plates 27 cannot obstruct the movement of the lower sleeve plates 28, the upper sleeve plates 27 and the lower sleeve plates 28 can push the concrete sample from four sides of the concrete sample, the upper sleeve plates 27 and the lower sleeve plates 28 are both contacted with the top of the pressure bearing seat 12 through positioning rods 29, the upper sleeve plates 27 and the lower sleeve plates 28 can push and position the concrete sample on the pressure bearing seat 12 through the positioning rods 29, the two upper sleeve plates 27 and the two lower sleeve plates 28 are respectively sleeved on the outer wall of the limiting rod 13 in a sliding manner, so that the limiting rod 13 can support and limit the upper sleeve plates 27 and the lower sleeve plates 28, and the upper sleeve plates 27 and the lower sleeve plates 28 are prevented from rotating along with the rotation of the two threaded rods;
Specifically, please refer to fig. 1, the first threaded rod 22 and the second threaded rod 23 are rotatably sleeved in the supporting plate 14, so that the supporting plate 14 can support and limit the two threaded rods, the supporting plate 14 is uniformly welded on the top of the inner wall of the machine body 11, so that the machine body 11 can support the supporting plate 14, the first bevel gear 25 is fixedly sleeved on the outer wall of one end of the first threaded rod 22, and the first threaded rod 22 can support the first bevel gear 25.
Specifically, referring to fig. 1, the second bevel gear 26 is fixedly sleeved on an outer wall of one end of the second threaded rod 23, so that the second threaded rod 23 can support the second bevel gear 26 conveniently, the second bevel gear 26 is meshed with the first bevel gear 25, so that the two bevel gears can connect the two threaded rods conveniently, and the second bevel gear 26 and the first bevel gear 25 are vertically distributed to facilitate rotation between the two bevel gears.
Specifically, referring to fig. 2-3, four positioning rods 29 are welded at the bottoms of the two upper sleeve plates 27 and the two lower sleeve plates 28, so that the positioning rods 29 are fixed by the upper sleeve plates 27 and the lower sleeve plates 28, and the bottoms of the positioning rods 29 contact with the top of the pressure bearing seat 12, so that the top ends of the positioning rods 29 can push the concrete sample on the pressure bearing seat 12, and the movement of the upper sleeve plates 27 and the lower sleeve plates 28 with different heights is not hindered due to the small size of the positioning rods 29.
Specifically, please refer to fig. 2, the upper pressing base in the machine body 11 is located right above the pressure bearing base 12, so that the hydraulic cylinder in the machine body 11 is extended and retracted to drive the upper pressing base to perform an anti-bending experiment on a concrete test piece on the pressure bearing base 12, the motor 21 is electrically connected with an external power supply, the external power supply supplies power, and the garbage can 31 is fixedly installed at the top of one side of the machine body 11 through a bolt, so that the garbage can 31 is conveniently fixed.
Specifically, referring to fig. 1-2, the cleaning groove 32 is formed at the bottom of the inner wall of the machine body 11, and the cleaning groove 32 is located between the pressure bearing seat 12 and the trash can 31, so that the crushed stones on the pressure bearing seat 12 can enter the trash can 31 through the cleaning groove 32.
The working principle is as follows: when in use, a concrete test piece is placed on the pressure bearing seat 12, the motor 21 is started to drive the first threaded rod 22 to rotate, because the directions of the two adjacent threaded grooves 24 are opposite, the two upper sleeve plates 27 on the first threaded rod 24 are close to or far away from each other under the limit of the limiting rod 13, meanwhile, the first bevel gear 25 is connected with the second bevel gear 26, the second threaded rod 23 is driven to rotate after the first threaded rod 22 rotates, the two lower sleeve plates 28 are close to or far away from each other under the limit of the limiting rod 13, the upper sleeve plates 27 and the lower sleeve plates 28 on the two threaded rods can move the concrete test piece to the centers of the upper pressure seat and the pressure bearing seat 12 in the machine body 11 from four directions through the positioning rods 29, the midspan position of the concrete test piece can be aligned with the center positions of the upper pressure seat and the pressure bearing seat 12, and people can directly push stones on the pressure bearing seat 12 into the garbage can 31 through the cleaning grooves 32, facilitating the rapid removal of the crushed stones.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an anti testing machine that rolls over of concrete, includes testing machine body (1), supplementary aligning gear (2) and clearance mechanism (3), its characterized in that:
the testing machine body (1) comprises a machine body (11), a pressure bearing seat (12), limiting rods (13) and a supporting plate (14), wherein the machine body (11) consists of a rack, a hydraulic cylinder fixed on the rack and an upper pressure seat fixed at the bottom of the output end of the hydraulic cylinder, the pressure bearing seat (12) is fixedly installed at the center of the bottom of the inner wall of the testing machine body (1) through bolts, and the two limiting rods (13) are symmetrically welded at the bottom of the inner wall of the machine body (11);
the auxiliary alignment mechanism (2) comprises a motor (21), a first threaded rod (22), a second threaded rod (23), threaded grooves (24), a first bevel gear (25), a second bevel gear (26), an upper sleeve plate (27), a lower sleeve plate (28) and a positioning rod (29), the motor (21) is fixedly mounted on a vertical rod welded to the top of the inner wall of the machine body (11) through bolts, one end of the first threaded rod (22) is welded to the output end of the motor (21), the other end of the first threaded rod (22) is rotatably connected with the second threaded rod (23) through the first bevel gear (25) and the second bevel gear (26), the first threaded rod (22) and the second threaded rod (23) are vertically distributed, two groups of the threaded grooves (24) are uniformly formed in the outer walls of the first threaded rod (22) and the second threaded rod (23), and the thread directions of the two groups of the threaded grooves (24) are opposite, the two upper sleeve plates (27) and the two lower sleeve plates (28) are sleeved on the outer walls of the two groups of thread grooves (24) in a threaded manner, the upper sleeve plates (27) are positioned right above the lower sleeve plates (28), the upper sleeve plates (27) and the lower sleeve plates (28) are both contacted with the top of the pressure bearing seat (12) through positioning rods (29), and the two upper sleeve plates (27) and the two lower sleeve plates (28) are respectively sleeved on the outer walls of the limiting rods (13) in a sliding manner;
the cleaning mechanism (3) comprises a garbage can (31) and a cleaning groove (32), and the cleaning groove (32) is positioned at the top of one side of the garbage can (31);
the second bevel gear (26) is fixedly sleeved on the outer wall of one end of the second threaded rod (23), the second bevel gear (26) is meshed with the first bevel gear (25), and the second bevel gear (26) and the first bevel gear (25) are vertically distributed.
2. The concrete bending tester according to claim 1, wherein: the first threaded rod (22) and the second threaded rod (23) are rotatably sleeved in the supporting plate (14), the supporting plate (14) is uniformly welded to the top of the inner wall of the machine body (11), and the first bevel gear (25) is fixedly sleeved on the outer wall of one end of the first threaded rod (22).
3. The concrete bending tester according to claim 1, wherein: the four positioning rods (29) are respectively welded at the bottoms of the two upper sleeve plates (27) and the two lower sleeve plates (28), and the bottoms of the positioning rods (29) are in contact with the top of the pressure bearing seat (12).
4. The concrete bending tester according to claim 1, wherein: the upper pressure seat is arranged right above the pressure bearing seat (12) in the machine body (11), the motor (21) is electrically connected with an external power supply, and the garbage can (31) is fixedly arranged at the top of one side of the machine body (11) through bolts.
5. The concrete bending tester according to claim 1, wherein: clear away groove (32) and set up in organism (11) inner wall bottom, clear away groove (32) and be located between pressure-bearing seat (12) and garbage bin (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122091530.XU CN215833167U (en) | 2021-09-01 | 2021-09-01 | Concrete bending resistance testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122091530.XU CN215833167U (en) | 2021-09-01 | 2021-09-01 | Concrete bending resistance testing machine |
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| Publication Number | Publication Date |
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| CN215833167U true CN215833167U (en) | 2022-02-15 |
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| CN202122091530.XU Active CN215833167U (en) | 2021-09-01 | 2021-09-01 | Concrete bending resistance testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114839084A (en) * | 2022-07-04 | 2022-08-02 | 烟台华虹建筑科技有限公司 | Anti check out test set that buckles of building engineering material |
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2021
- 2021-09-01 CN CN202122091530.XU patent/CN215833167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114839084A (en) * | 2022-07-04 | 2022-08-02 | 烟台华虹建筑科技有限公司 | Anti check out test set that buckles of building engineering material |
| CN114839084B (en) * | 2022-07-04 | 2022-09-02 | 烟台华虹建筑科技有限公司 | Anti check out test set that buckles of building engineering material |
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