CN212621889U - Tensioning device for concrete test - Google Patents
Tensioning device for concrete test Download PDFInfo
- Publication number
- CN212621889U CN212621889U CN202020792201.0U CN202020792201U CN212621889U CN 212621889 U CN212621889 U CN 212621889U CN 202020792201 U CN202020792201 U CN 202020792201U CN 212621889 U CN212621889 U CN 212621889U
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- plate
- motor
- fixing plate
- fixed plate
- fixing
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- 239000004567 concrete Substances 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 201000004356 excessive tearing Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a tensioning equipment for concrete test, including the mounting panel, first fixed plate, infrared ray sensor, the second fixed plate, the bottom plate, including a motor, an end cap, a controller, and a cover plate, the spout has been seted up at bottom plate upper end middle part, the inside rotatable screw thread post of installing of spout, the motor is connected with screw thread post one side transmission, first fixed plate is installed in one side that the mounting panel is close to the motor, be provided with the second fixed plate between first fixed plate and the motor, infrared ray sensor sets up in first fixed plate bottom, be demountable installation between infrared ray sensor and the bottom plate, through electric signal connection between infrared ray sensor and the. The utility model discloses a two fixed plates carry out the centre gripping to concrete piece both sides and fix, thereby it is tensile to realize carrying out the concrete piece through the motion of motor drive second fixed plate, simultaneously provides urgent stop signal for the motor through the infrared ray sensor who sets up, prevents because the concrete piece is tensile excessively to be torn, leads to the long-time idle running of motor.
Description
Technical Field
The utility model relates to a concrete production technical field especially relates to a concrete is tensioning equipment for experiment.
Background
The reinforced concrete structure is the most widely applied structural form in the current engineering practice, when concrete is produced, a prestress tension test needs to be carried out on the reinforced concrete structure, one end of a traditional tension device is fixed, the other end of the traditional tension device is stretched by driving a stretching end through a trolley, so that the concrete is stretched, the output power needs to be continuously increased because the trolley provides tension in the stretching process, when a concrete block is torn due to excessive stretching, the trolley does not have the limitation of the concrete block, so that the concrete block is rushed out at a higher speed, and the requirement on a test site is high because the concrete block is difficult to reach emergency stop, so that the concrete has a greater potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a tensioning equipment for concrete test rotates through the motor and drives the concrete drawing, for the concrete test provides the pulling force, avoids the dolly to provide the potential safety hazard that the pulling force brought to provide through infrared ray sensor and stop the signal suddenly, prevent that the motor from idling the energy that brings is extravagant.
According to the embodiment of the utility model, the tensioning device for concrete test comprises a mounting plate, a first fixing plate, an infrared sensor, a second fixing plate, a bottom plate and a motor, wherein a chute is arranged in the middle of the upper end of the bottom plate, a threaded column is rotatably arranged in the chute, the motor is in transmission connection with one side of the threaded column, the motor is fixedly arranged with the bottom plate, the mounting plate is arranged at the upper end of one side of the bottom plate away from the motor, the first fixing plate is arranged at one side of the mounting plate close to the motor, a stretchable component is arranged in the mounting plate, the first fixing plate is connected with the mounting plate through the stretchable component, the second fixing plate is arranged between the first fixing plate and the motor, a connecting plate is integrally formed at the bottom end of the second fixing plate, and is in threaded connection with the threaded column through, the infrared sensor is arranged at the bottom of the first fixing plate, the infrared sensor and the bottom plate are detachably mounted, and the infrared sensor and the motor are connected through electric signals.
Preferably, the mounting panel includes the planking, can stretch the subassembly and include connecting cylinder, spliced pole, inner panel, the installation cavity has been seted up at the inboard middle part of planking, the inner panel sets up inside the installation cavity, the inner panel is kept away from one side of first fixed plate pass through the connecting cylinder with installation cavity wall connection, the inner panel is close to one side of first fixed plate is passed through the spliced pole with first fixed plate is connected.
Preferably, the connecting cylinder comprises an installation cylinder and a limiting column, a spring installation cavity is formed in the installation cylinder, the limiting column is slidably installed in the spring installation cavity, and the limiting column is connected with the installation cylinder through a spring.
Preferably, the first fixed plate and the second fixed plate are arranged oppositely, the first fixed plate and the second fixed plate are identical in structure, the first fixed plate comprises a fixed plate body, a tightening nut and a clamping plate, one side of the fixed plate body, which is close to the second fixed plate, is provided with two sets of symmetrical fixed grooves, the clamping plate and the fixed grooves are slidably mounted, and the clamping plate and the fixed plate body are connected through the tightening nut.
Preferably, the anti-skid teeth are integrally formed on one side of the clamping plate, which is far away from the tightening nut.
Preferably, a limiting plate for preventing the second fixing plate from excessively displacing is installed on one side, close to the motor, of the upper end of the bottom plate.
The utility model discloses in, carry out the centre gripping through two fixed plates to concrete piece both sides and fix, thereby it is tensile to realize carrying out the concrete piece through the motion of motor drive second fixed plate, for the concrete test provides the pulling force, avoids the dolly to provide the potential safety hazard that the pulling force brought, provides urgent stop signal for the motor through the infrared ray sensor who sets up simultaneously, prevents because tearing that the concrete piece is tensile excessively to cause, leads to the energy waste that the long-time idle running of motor brought.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a tensioning device for a concrete test according to the present invention;
fig. 2 is a cross-sectional view of a tensioning device for a concrete test provided by the utility model;
fig. 3 is a schematic structural diagram of a mounting plate provided by the present invention;
fig. 4 is a schematic structural diagram of the connecting cylinder according to the present invention.
In the figure: the device comprises a 1-mounting plate, a 2-first fixing plate, a 3-infrared sensor, a 4-second fixing plate, a 5-connecting plate, a 6-sliding chute, a 7-threaded column, an 8-limiting block, a 9-bottom plate, a 10-motor, an 11-outer plate, a 12-connecting cylinder, a 13-mounting cavity, a 14-connecting column, a 15-inner plate, a 21-screwing nut, a 22-clamping plate, a 23-anti-skidding tooth, a 24-fixing groove, a 121-mounting cylinder, a 122-spring and a 123-limiting column.
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, a tensioning device for a concrete test comprises a mounting plate 1, a first fixing plate 2, an infrared sensor 3, a second fixing plate 4, a bottom plate 9 and a motor 10, wherein a chute 6 is formed in the middle of the upper end of the bottom plate 9, a threaded column 7 is rotatably mounted in the chute 6, the motor 10 is in transmission connection with one side of the threaded column 7, the motor 10 is fixedly mounted on the bottom plate 9, the mounting plate 1 is mounted at the upper end of one side of the bottom plate 9, which is far away from the motor 10, the first fixing plate 2 is mounted at one side of the mounting plate 1, which is close to the motor 10, a stretchable component is mounted in the mounting plate 1, the first fixing plate 2 is connected with the mounting plate 1 through the stretchable component, the second fixing plate 4 is arranged between the first fixing plate 2 and the motor 10, a connecting, the infrared sensor 3 is arranged at the bottom of the first fixing plate 2, the infrared sensor 3 and the bottom plate 9 are detachably mounted, and the infrared sensor 3 is connected with the motor 10 through an electric signal; the mounting plate 1 comprises an outer plate 11 and a stretchable component, the stretchable component comprises a connecting cylinder 12, a connecting column 14 and an inner plate 15, a mounting cavity 13 is formed in the middle of the inner side of the outer plate 11, the inner plate 15 is arranged in the mounting cavity 13, one side, far away from the first fixing plate 2, of the inner plate 15 is connected with the inner wall of the mounting cavity 13 through the connecting cylinder 12, and one side, close to the first fixing plate 2, of the inner plate 15 is connected with the first fixing plate 2 through the connecting column 14; the connecting cylinder 12 comprises a mounting cylinder 121 and a limiting column 123, a spring mounting cavity is formed in the mounting cylinder 121, the limiting column 123 and the spring mounting cavity are slidably mounted, and the limiting column 123 is connected with the mounting cylinder 121 through a spring 122; the first fixing plate 2 and the second fixing plate 4 are oppositely arranged, the first fixing plate 2 and the second fixing plate 4 are identical in structure, the first fixing plate 2 comprises a fixing plate body, tightening nuts 21 and a clamping plate 22, two groups of symmetrical fixing grooves 24 are formed in one side, close to the second fixing plate 4, of the fixing plate body, the clamping plate 22 and the fixing grooves 24 are slidably mounted, and the clamping plate 22 is connected with the fixing plate body through the tightening nuts 21; the anti-skid teeth 23 are integrally formed on one side of the clamping plate 22 away from the tightening nut 21; a limiting plate 8 for preventing the second fixing plate 4 from being excessively displaced is installed at one side of the upper end of the bottom plate 9 close to the motor 10.
When the concrete block tearing machine works, a concrete block is placed between the first fixing plate 2 and the second fixing plate 4, two ends of the concrete block are respectively fixed through the clamping plates 22, when concrete pulling force is needed, a power supply of the motor 10 is started, the threaded column 7 rotates to drive the second fixing plate 4 to displace along the direction of the threaded column 7, the second fixing plate 4 drives the concrete block to stretch, the spring 122 inside the connecting cylinder 12 is in a stretching state, the first fixing plate 2 is separated from the mounting plate, the infrared sensor 3 is composed of a transmitter and a receiver, when the first fixing plate 2 is separated from the mounting plate 1, infrared light emitted by the transmitter is received by the receiver, the power supply of the motor is in a conducting state, when the concrete block is torn due to overlarge pulling force, the first fixing plate 2 is close to the mounting block again under the action of the spring, so that the infrared light emitted by the transmitter cannot be received by the receiver, and, the motor 10 is powered off and stops working.
The infrared sensor control motor operation in the device adopts the existing mature technology, for example, the conveyor belt motor control used in a supermarket adopts the technology, commodities are placed on a conveyor belt, a power supply conveyor belt is started to convey the commodities, an infrared sensor is arranged at a position close to a cashier, the commodities block the occurrence and the reception of the infrared sensor, the motor stops operating, after the cashier finishes and removes the goods settlement, infrared light emitted by a transmitter is received by a receiver, and the motor operates again to bring a next group of commodities to be settled.
To sum up, this tensioning equipment for concrete test carries out the centre gripping through two fixed plates to concrete piece both sides fixed, thereby it is tensile to drive the second fixed plate motion through the motor and realize the concrete piece, for the concrete test provides the pulling force, avoids the dolly to provide the potential safety hazard that the pulling force brought, provides urgent stop signal for the motor through the infrared ray sensor who sets up simultaneously, prevents because the tensile excessive tearing that causes of concrete piece, leads to the energy waste that the long-time idle running of motor brought.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a tensioning equipment for concrete test which characterized in that: comprises a mounting plate, a first fixing plate, an infrared sensor, a second fixing plate, a bottom plate and a motor, wherein the middle part of the upper end of the bottom plate is provided with a chute, a threaded column is rotatably arranged in the chute, the motor is connected with one side of the threaded column in a transmission way, the motor is fixedly mounted with the bottom plate, the mounting plate is arranged at the upper end of one side of the bottom plate far away from the motor, the first fixing plate is arranged at one side of the mounting plate close to the motor, a stretchable component is arranged in the mounting plate, the first fixing plate is connected with the mounting plate through the stretchable component, the second fixing plate is arranged between the first fixing plate and the motor, the bottom end of the second fixing plate is integrally formed with a connecting plate, the connecting plate is in threaded connection with the threaded column through a threaded hole, the infrared sensor and the bottom plate are detachably mounted, and the infrared sensor is connected with the motor through an electric signal.
2. A tension device for a concrete test according to claim 1, characterized in that: the mounting panel includes the planking, can stretch the subassembly and include connecting cylinder, spliced pole, inner panel, the installation cavity has been seted up at the inboard middle part of planking, the inner panel sets up inside the installation cavity, the inner panel is kept away from one side of first fixed plate pass through the connecting cylinder with wall connection in the installation cavity, the inner panel is close to one side of first fixed plate is passed through the spliced pole with first fixed plate is connected.
3. A tension device for a concrete test according to claim 2, characterized in that: the connecting cylinder comprises an installation cylinder and a limiting column, a spring installation cavity is formed in the installation cylinder, the limiting column is slidably installed in the spring installation cavity, and the limiting column is connected with the installation cylinder through a spring.
4. A tension device for a concrete test according to claim 1, characterized in that: the first fixing plate and the second fixing plate are arranged oppositely, the first fixing plate and the second fixing plate are identical in structure, the first fixing plate comprises a fixing plate body, a tightening nut and a clamping plate, one side of the fixing plate body, close to the second fixing plate, is provided with two symmetrical fixing grooves, the clamping plate and the fixing grooves are slidably mounted, and the clamping plate and the fixing plate body are connected through the tightening nut.
5. A tensioning device for a concrete test according to claim 4, characterized in that: and anti-skid teeth are integrally formed on one side of the clamping plate, which is far away from the tightening nut.
6. A tension device for a concrete test according to claim 1, characterized in that: and a limiting plate for preventing the second fixing plate from excessively displacing is arranged on one side, close to the motor, of the upper end of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020792201.0U CN212621889U (en) | 2020-05-13 | 2020-05-13 | Tensioning device for concrete test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020792201.0U CN212621889U (en) | 2020-05-13 | 2020-05-13 | Tensioning device for concrete test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212621889U true CN212621889U (en) | 2021-02-26 |
Family
ID=74726645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020792201.0U Expired - Fee Related CN212621889U (en) | 2020-05-13 | 2020-05-13 | Tensioning device for concrete test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212621889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295510A (en) * | 2021-05-21 | 2021-08-24 | 蓝海建设集团有限公司 | Intelligent prestress tensioning system |
-
2020
- 2020-05-13 CN CN202020792201.0U patent/CN212621889U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295510A (en) * | 2021-05-21 | 2021-08-24 | 蓝海建设集团有限公司 | Intelligent prestress tensioning system |
| CN113295510B (en) * | 2021-05-21 | 2022-08-09 | 蓝海建设集团有限公司 | Intelligent prestress tensioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211500 Liuhe Economic Development Zone, Liuhe District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Lujing New Material Technology Co.,Ltd. Address before: 211500 Liuhe Economic Development Zone, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Nanjing Lujing Concrete Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |