CN210513903U - Concrete bending resistance test device - Google Patents
Concrete bending resistance test device Download PDFInfo
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- CN210513903U CN210513903U CN201920979967.7U CN201920979967U CN210513903U CN 210513903 U CN210513903 U CN 210513903U CN 201920979967 U CN201920979967 U CN 201920979967U CN 210513903 U CN210513903 U CN 210513903U
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Abstract
The utility model discloses an anti test device that rolls over of concrete, include: a base (10); at least two slides (20) configured to be slidably disposed on the base (10), and wherein the two slides (20) together define a span (L) therebetween adapted to match the length of a tile-shaped concrete slab (70); a fixing member (30) configured to fix positions of the two sliders (20) in a first direction, respectively, to define a span (L) between the two sliders (20); the suspension bracket comprises a suspension bracket (40) and a hydraulic cylinder (50) fixedly arranged on the suspension bracket (40), wherein the suspension bracket (40) is erected at the upper end of the tile-shaped concrete piece (70), and a piston rod of the hydraulic cylinder (50) is suitable for abutting against the upper end surface of the tile-shaped concrete piece (70). The testing device can complete concrete tests with different sizes, improves the testing efficiency, reduces the testing cost, and is simple in structure, convenient to operate and accurate in testing result.
Description
Technical Field
The utility model relates to a cement performance detection device field especially relates to a concrete bending test device.
Background
In order to conveniently research the mechanical properties of concrete products, the concrete products need to be subjected to a bending test; due to the particularity of the tile-shaped concrete piece structure, the device for carrying out the bending test on the tile-shaped concrete piece in the prior art is complex in structure, troublesome to operate and inaccurate in loading test; and among the prior art to the tile-shaped concrete piece of equidimension often accomplish through different anti test device that rolls over, improved the cost of test greatly, reduced efficiency of software testing.
Disclosure of Invention
The utility model discloses aim at solving one of the problem that above-mentioned prior art exists, provide a concrete bending test device, this test device can accomplish the concrete test of not unidimensional size, improves test efficiency greatly, reduces testing cost, simple structure moreover, convenient operation, the test result is accurate.
In order to achieve the above object, the utility model provides a concrete bending test device, include: a base; at least two sliders configured to be slidably disposed on the base, wherein the two sliders together define a span therebetween adapted to match the length of the tile-shaped concrete slab; a fixing member configured to fix positions of the two sliders in a first direction, respectively, to define a span between the two sliders; the hydraulic cylinder is fixedly arranged on the suspension, the suspension is erected at the upper end of the tile-shaped concrete piece, and a piston rod of the hydraulic cylinder is suitable for abutting against the upper end face of the tile-shaped concrete piece.
In the technical scheme, the two sliding blocks are moved to enable the span between the two sliding blocks to be equal to the length of the tile-shaped concrete piece, then the fixing pieces are used for fixing the positions of the two sliding blocks, the hydraulic cylinder is started, and a piston rod of the hydraulic cylinder extends out and abuts against the tile-shaped concrete piece, so that the bending resistance test of the tile-shaped concrete piece is completed; the concrete test of different size of a dimension can be accomplished through the position of adjusting the slider to this testing arrangement, improves test efficiency greatly, reduces testing cost, simple structure moreover, convenient operation, and the test result is accurate.
Additionally, according to the utility model discloses a concrete bending test device can also have following technical characteristic:
further, the fixing part is a pin, and a plurality of pin holes matched with the pin are arranged along the first direction of the base, wherein the arrangement direction of the pin holes is coincident with the track line of the sliding block.
Further, the slider is provided with an installation groove, and the installation groove is arranged in the same direction as the width direction of the tile-shaped concrete piece.
Preferably, a rack is arranged on the base, a first gear meshed with the rack is pivotally arranged on the sliding block through a rotating shaft, and the rack is arranged along a first direction.
Preferably, the adjusting device is connected with the first gear and used for driving the first gear to rotate.
Preferably, the adjusting means comprises: a rotating handle configured to be pivotably disposed on the slider; the second gear is fixedly connected to one end, extending into the sliding block, of the rotating handle; and the third gear is fixedly connected to the rotating shaft and is meshed with the second gear.
The sliding block is characterized by further comprising a fastening sleeve, a through hole is formed in the fastening sleeve, the through hole is matched with the rotating handle, the fastening sleeve is connected with the sliding block through threads, and the inner diameter of the through hole is gradually changed.
Preferably, the fastening sleeve comprises: the connecting part and the operation part are integrally formed on one side of the connecting part, and the inner diameter of the through hole is gradually reduced from the operation part to one side of the connecting part.
Preferably, connection holes communicating with the through holes are provided along a length direction of the connection portion, and the connection holes are provided at intervals along a circumferential direction of the connection portion.
Preferably, a gasket is further arranged on a piston rod of the hydraulic cylinder, and the gasket is attached to the tile-shaped concrete sheet.
According to the utility model discloses a concrete test device, its additional technical characteristic still has following technological effect: the tile-shaped concrete sheet can be conveniently fixed by arranging the mounting groove; the position of the sliding block can be adjusted more accurately and conveniently by arranging the adjusting device.
Drawings
FIG. 1 is a front view of a concrete bending resistance test apparatus;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic view of the fastening sleeve of fig. 1.
In the figure, a test apparatus 100; a base 10; a chute 101; a rack 11; a slider 20; a mounting groove 201; a rotating shaft 21; a first gear 22; a rotating handle 23; a fastening sleeve 24; a manipulation unit 241; a connecting portion 242; connecting holes 2421; a through hole 24A; a fixing member 30; a suspension 40; a hydraulic cylinder 50; a spacer 60; tile-shaped concrete pieces 70; the span L.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the invention as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
It will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims.
Throughout the description and claims of this specification, the words "comprise" and variations of the words, for example "comprising" and "comprises", mean "including but not limited to", and are not intended to (and do not) exclude other components, integers or steps.
Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the invention are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.
The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular references include plural references unless there is a significant difference in context, scheme or the like between them.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
According to the utility model discloses a concrete bending test device 100, as shown in fig. 1, fig. 2, include: a base 10, at least two sliders 20, a mount 30, a suspension 40, and a hydraulic cylinder 50.
A base 10; base 10 serves as a support base 10 of the bending test apparatus 100 for supporting other related parts (slider 20, fixing member 30, etc.)
At least two sliders 20 configured to be slidably disposed on the base 10, wherein the two sliders 20 together define a span L therebetween adapted to match the length of the tile-shaped concrete sheet 70; that is, a runner 101 may be provided on the base 10, the sliding blocks 20 may be engaged with the runner 101 and may slide within the runner 101, and at least two sliding blocks 20 may be provided to be adjusted to define a span L matching the tile-shaped concrete sheet 70. The lengthwise direction of the tile-shaped concrete described herein coincides with the first direction, and the widthwise direction thereof coincides with the second direction, which are perpendicular to each other.
And a fixing member 30 configured to fix the positions of the two sliders 20 in the first direction to define a span L between the two sliders 20, that is, the fixing member 30 is used to fix the positions of the sliders 20 so that the span L between the two sliders 20 is fixed, so that the tile-shaped concrete sheet 70 is deformed by pressure and the length thereof is increased without moving the sliders 20.
It can be understood that, the two sliding blocks 20 are moved to make the span L between the two sliding blocks 20 equal to the length of the tile-shaped concrete sheet 70, then the fixing members 30 are used to fix the position of the two sliding blocks 20, the hydraulic cylinder 50 is started to make the piston rod of the hydraulic cylinder 50 extend out and abut against the tile-shaped concrete sheet 70, and thus the bending test of the tile-shaped concrete sheet 70 is completed; this testing device 100 can accomplish the concrete test of not unidimensional size through the position of adjusting slider 20, improves test efficiency greatly, reduces testing cost, simple structure moreover, convenient operation, and the test result is accurate.
In an embodiment of the present invention, the fixing member 30 is a pin, and a plurality of pin holes matched with the pin are arranged along the first direction of the base 10, wherein the position of the pin holes is coincident with the track line of the sliding block 20, specifically, pin holes are arranged in the chute 101 of the base 10, and the interval setting of each pin hole is designed according to the standard category of the tile-shaped concrete sheet 70 to be tested, so that the sliding block 20 can be adjusted to different pin hole positions to meet the test of the tile-shaped concrete sheets 70 with different sizes and models; the trajectory of the slider 20 as described above refers to a displacement trajectory of the slider 20 in the slide groove 101, i.e., a trajectory of movement in the first direction.
In another embodiment of the present invention, the fixing member 30 is a telescopic device, such as an electric push rod, etc., the telescopic device is hinged on the base 10, a piston rod thereof is hinged with the slider 20, the slider 20 can be moved in the first direction by the telescopic device, and the telescopic length of the piston rod of the telescopic device can be limited to fix the position of the slider 20, so as to fix and automatically adjust the position of the slider 20.
In the embodiment of the present invention, the sliding block 20 is provided with a mounting groove 201, and the direction of the mounting groove 201 is the same as the width direction of the tile-shaped concrete sheet 70; that is, the installation groove 201 is disposed in the same direction as the second direction, so that the tile-shaped concrete sheet 70 is easily engaged in the installation groove 201, and it is understood that the span L is defined as a distance defined by the installation grooves 201 of the two sliders 20.
In the embodiment of the present invention, a rack 11 is disposed on the base 10, and a first gear 22 engaged with the rack 11 is pivotally disposed on the slider 20 through a rotating shaft 21, wherein the rack 11 is disposed along a first direction; specifically, set up the mounting hole on slider 20 and along first direction, pivot 21 installs in first mounting hole through first bearing, the inner circle and the pivot 21 fixed connection of first bearing promptly, the outer lane of first bearing and the inner wall fixed connection of first mounting hole to realize the pivot connection of pivot 21 in the first mounting hole of slider 20, and first gear 22 fixed connection is on pivot 21, in the utility model discloses a specific embodiment, first gear 22 here is two and respectively fixed connection in the both sides of pivot 21, and the rack 11 fixed connection who corresponds with it on base 10, can make first gear 22 on slider 20 along rack 11 motion through promoting slider 20 like this, thereby play the purpose of accurate regulation slider 20.
In the embodiment of the present invention, the adjusting device is further included, and the adjusting device is connected to the first gear 22 for driving the rotation of the first gear 22. Specifically, the adjusting device includes: a rotating handle 23 configured to be pivotably provided on the slider 20; the second gear is fixedly connected to one end, extending into the sliding block 20, of the rotating handle 23; the third gear is fixedly connected to the rotating shaft 21 and meshed with the second gear; specifically, a second mounting hole is formed in the slider 20, and the rotating handle 23 is mounted in the second mounting hole through a second bearing, and the specific mounting manner is similar to the manner in which the rotating shaft 21 is mounted in the first mounting hole, and is not described herein again; the second gear fixedly connected with the rotating handle 23 can be rotated by rotating the rotating handle, so that a third gear meshed with the second gear is driven to rotate, the rotating shaft 21 is driven to rotate, and finally the sliding block 20 is moved in the first direction; it should be noted that the second gear and the third gear may be bevel gears, so as to satisfy the requirement of 90 degrees of installation angle between the rotating handle 23 and the rotating shaft 21, and similarly, the second gear and the third gear may also be ordinary flat gears, which is not limited herein.
In the embodiment of the present invention, as shown in fig. 3, the fastening device further includes a fastening sleeve 24, a through hole 24A is formed in the fastening sleeve 24, the through hole 24A is matched with the rotating handle 23, the fastening sleeve 24 is connected with the slider 20 through a thread, wherein the inner diameter of the through hole 24A is gradually changed, that is, an external thread is formed on the outer wall of the fastening sleeve 24, an internal thread matched with the external thread is formed in the second mounting hole, and since the inner diameter of the through hole 24A is gradually changed, the rotating handle 23 is squeezed in the process of matching the fastening sleeve 24 with the second mounting hole, so as to increase the friction force between the rotating handle 23 and the second mounting hole, thereby fixing the rotating handle 23; the rotating handle 23 can be fixed by arranging a fastening sleeve 24, thereby further limiting the position of the sliding block 20. It should be noted that the fastening sleeve 24 is sleeved on the port of the second mounting hole, as shown in fig. 1, and its existence does not affect the connection between the rotating handle 23 and the second bearing. Preferably, the inner diameter of the second mounting hole may also be designed to be gradually changed, and the gradual change is matched with the fastening sleeve 24.
In an embodiment of the present invention, the fastening sleeve 24 includes: the inner diameter of the through hole 24A is gradually reduced from the operating portion 241 to the connecting portion 242, specifically, a connecting hole 2421 communicating with the through hole 24A is arranged along the length direction of the connecting portion 242, the connecting hole 2421 is arranged at an interval along the circumferential direction of the connecting portion 242, by arranging the connecting hole 2421, when the fastening sleeve 24 is sleeved on the rotating handle 23, the connecting portion 242 expands, and when the fastening sleeve 24 is screwed in the second mounting hole, the rotating handle 23 is pressed, the friction force between the rotating handle 23 and the second mounting hole is increased, and the rotating handle 23 is fixed.
In the embodiment of the present invention, a gasket 60 is further disposed on the piston rod of the hydraulic cylinder 50, and the gasket 60 is attached to the tile-shaped concrete sheet 70; that is to say, gasket 60 is the arc structure, can increase tile shape concrete piece 70's lifting surface area through laminating mutually with tile shape concrete piece 70, makes the atress more even, improves experimental reliability.
The embodiment of the utility model provides an in, still include pressure sensor and the controller of being connected with it electricity, it sets up on gasket 60 for detect tile shape concrete piece 70's pressure intensity signal, and give the controller with this pressure signal transmission, and transmit to the display screen by the controller and show, be worth explaining, be connected electrically between controller and pneumatic cylinder 50, the telescoping device, all can realize the control to controller and telescoping device through the controller.
When the testing device 100 is used, the rotating handle 23 is respectively rotated to move the two sliding blocks 20, so that the span L between the two sliding blocks 20 is equal to the length of the tile-shaped concrete piece 70, then the positions of the two sliding blocks 20 are fixed by using pins, the controller controls the hydraulic cylinder 50 to start, so that the piston rod of the hydraulic cylinder 50 extends out and abuts against the tile-shaped concrete piece 70, the pressure sensor detects the pressure born by the tile-shaped concrete piece 70 in real time, and the pressure value is displayed on the display screen until the tile-shaped concrete piece 70 is broken, so that the anti-bending test of the tile-shaped concrete piece 70 is completed; this testing device 100 can accomplish the concrete test of not unidimensional size through the position of adjusting slider 20, improves test efficiency greatly, reduces testing cost, simple structure moreover, convenient operation, and the test result is accurate.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Those skilled in the art will appreciate that various features of the various embodiments of the invention described hereinabove may be omitted, added to, or combined in any manner accordingly. Moreover, the simple transformation and the solution of adapting and functional structure transformation to the prior art, which can be thought of by those skilled in the art, all belong to the protection scope of the present invention.
While the invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a concrete bending test device which characterized in that includes:
a base (10);
at least two slides (20) configured to be slidably disposed on the base (10), and wherein the two slides (20) together define a span (L) therebetween adapted to match the length of a tile-shaped concrete slab (70);
a fixing member (30) configured to fix positions of the two sliders (20) in a first direction, respectively, to define a span (L) between the two sliders (20);
the suspension bracket comprises a suspension bracket (40) and a hydraulic cylinder (50) fixedly arranged on the suspension bracket (40), wherein the suspension bracket (40) is erected at the upper end of the tile-shaped concrete piece (70), and a piston rod of the hydraulic cylinder (50) is suitable for abutting against the upper end surface of the tile-shaped concrete piece (70).
2. The concrete bending test device according to claim 1, wherein the fixing member (30) is a pin, and a plurality of pin holes matched with the pin are arranged along the first direction of the base (10), wherein the pin holes are arranged in an orientation coinciding with the trajectory of the sliding block (20).
3. The concrete bending test device according to claim 1, wherein a mounting groove (201) is provided on the sliding block (20), and the mounting groove (201) is arranged in a direction consistent with the width direction of the tile-shaped concrete sheet (70).
4. The concrete bending test device according to claim 1, wherein a rack (11) is provided on the base (10), a first gear (22) engaged with the rack (11) is pivotally provided on the slider (20) through a rotating shaft (21), and the rack (11) is arranged along a first direction.
5. The concrete bending test device according to claim 4, further comprising an adjusting device connected with the first gear (22) for driving the first gear (22) to rotate.
6. The concrete bending test apparatus according to claim 5, wherein the adjusting means comprises:
a rotating handle (23) configured to be pivotably disposed on the slider (20);
the second gear is fixedly connected to one end, extending into the sliding block (20), of the rotating handle (23);
and the third gear is fixedly connected to the rotating shaft (21) and is meshed with the second gear.
7. The concrete bending test device according to claim 6, further comprising a fastening sleeve (24), wherein a through hole (24A) is formed in the fastening sleeve (24), the through hole (24A) is matched with the rotating handle (23), the fastening sleeve (24) is connected with the sliding block (20) through threads, and the inner diameter of the through hole (24A) is gradually changed.
8. Concrete bending test device according to claim 7, wherein the fastening sleeve (24) comprises: a connecting part (242) and an operating part (241) integrally formed on one side of the connecting part (242), and the inner diameter of the through hole (24A) is gradually reduced from the operating part (241) to one side of the connecting part (242).
9. The concrete bending test apparatus according to claim 8, wherein connection holes (2421) communicating with the through hole (24A) are provided along a length direction of the connection part (242), and the connection holes (2421) are provided at intervals along a circumferential direction of the connection part (242).
10. The concrete bending test device according to claim 1, wherein a gasket (60) is further arranged on the piston rod of the hydraulic cylinder (50), and the gasket (60) is attached to the tile-shaped concrete sheet (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979967.7U CN210513903U (en) | 2019-06-26 | 2019-06-26 | Concrete bending resistance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979967.7U CN210513903U (en) | 2019-06-26 | 2019-06-26 | Concrete bending resistance test device |
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| Publication Number | Publication Date |
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| CN210513903U true CN210513903U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920979967.7U Active CN210513903U (en) | 2019-06-26 | 2019-06-26 | Concrete bending resistance test device |
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| CN (1) | CN210513903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903429A (en) * | 2021-01-15 | 2021-06-04 | 杭州惟进科技有限公司 | A test device for tensile fatigue nature of concrete member detects |
-
2019
- 2019-06-26 CN CN201920979967.7U patent/CN210513903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903429A (en) * | 2021-01-15 | 2021-06-04 | 杭州惟进科技有限公司 | A test device for tensile fatigue nature of concrete member detects |
| CN112903429B (en) * | 2021-01-15 | 2024-03-01 | 大鹏检测鉴定(广东)有限公司 | Test device for detecting tensile fatigue of concrete member |
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