CN210741992U - Solid end restraint device for multifunctional table compression bar stabilization experiment - Google Patents

Solid end restraint device for multifunctional table compression bar stabilization experiment Download PDF

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Publication number
CN210741992U
CN210741992U CN201921280469.XU CN201921280469U CN210741992U CN 210741992 U CN210741992 U CN 210741992U CN 201921280469 U CN201921280469 U CN 201921280469U CN 210741992 U CN210741992 U CN 210741992U
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China
Prior art keywords
support
fixed
experiment
constraint
connecting bolt
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Expired - Fee Related
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CN201921280469.XU
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Chinese (zh)
Inventor
杨晶
邓美林
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Shanxi University
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Shanxi University
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Priority to CN201921280469.XU priority Critical patent/CN210741992U/en
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Abstract

The utility model relates to a solid end restraint device that is used for stable experiment of multi-functional platform depression bar belongs to the intensity characteristic technical field with mechanical stress test solid material. The utility model comprises a fixed restraint support with a notch at the upper part, a pin is arranged on the side surface of the fixed restraint support, the pin is connected with an experiment pressure bar by passing through a pin hole on the end of the experiment pressure bar, and the lower part of the fixed restraint support is connected with a beam by a support joint with adjustable height; the support adapter comprises a bottom sleeve, a movable nut, a connecting bolt and a hexagon nut, the connecting bolt is connected with the movable nut and fixed through the hexagon nut, the connecting bolt is connected with the bottom sleeve by rotating the movable nut, the support adapter is connected with the fixed constraint support through the connecting bolt, and the support adapter is connected with the cross beam through the fixing bolt. The utility model discloses simple structure, the operation of being convenient for has realized the measurement of the critical pressure under the fixed one end hinge constraint condition of one end in the depression bar stable experiment.

Description

Solid end restraint device for multifunctional table compression bar stabilization experiment
Technical Field
The utility model relates to a stiff end restraint device for experiment is stabilized to depression bar belongs to the intensity characteristic technical field with mechanical stress test solid material.
Background
The multifunctional test bed/device for material mechanics is a necessary device for material mechanics experiments, is a common device with comprehensive functions and simple operation in material mechanics experiment teaching, and can be used for multiple experiments such as beam bending normal stress distribution rule experiments, material elastic constant measuring experiments, eccentric stretching, bending and twisting combined stress analysis, cantilever beam experiments, compression bar stability experiments and the like. A rectangular notch is formed in an upper support and a lower support of a constraint part device of a pressure bar stabilizing experimental part in the existing material mechanics multifunctional test bed/device, and the rectangular notch is connected with the end of an experimental pressure bar rod through a pin. Under the action of external force, the upper support capable of moving up and down applies load to the pressure lever, and the constraint condition of the deformation of the rod end of the experimental pressure lever is equivalent to the condition of hinging and supporting two ends. However, when a pressure bar stabilization test is performed on the multifunctional test bed/device, particularly when a plurality of pressure bar stabilization tests with different constraints are performed, no special fixed end constraint device exists at present, so that the measurement of the stable critical pressure of the pressure bar under different constraint conditions is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a solid end restraint device that is used for multi-functional platform depression bar stable experiment to the single condition of depression bar stable restraint among the above-mentioned material mechanics multifunctional test platform/device, through height-adjustable's support adapter, realized that the measurement of the critical pressure under the fixed one end hinge restraint condition of experiment depression bar one end in the depression bar stable experiment, the device simple structure, the operation of being convenient for.
The utility model discloses an adopt following technical scheme to realize: the utility model provides a solid end restraint device for experiment is stabilized to multi-functional platform depression bar, includes the fixed restraint support, and the upper portion of fixed restraint support is equipped with the notch, and a side of fixed restraint support is equipped with and is used for the fixed pin, and fixed restraint support sub-unit connection has the support adapter that the height can be adjusted, and the support adapter is connected with the crossbeam.
Furthermore, the notch is a rectangular notch, is arranged at the top end of the upper part of the fixed constraint support and is used for inserting the rod end of the experiment compression rod; the pin is connected with the experiment pressure lever by penetrating through a pin hole on the end of the experiment pressure lever; the rectangular notch arranged in the fixed constraint support and the pin with the thread at one end can convert the original hinged constraint into the fixed constraint.
Further, the support joint comprises a bottom sleeve, a movable nut, a connecting bolt and a hexagon nut, the connecting bolt is connected with the movable nut and is fixed through the hexagon nut, the connecting bolt is connected with the bottom sleeve through the rotary movable nut, the height of the fixed constraint support is adjusted through the position of the rotary movable nut in the bottom sleeve, and the support joint is convenient to connect with the end of the experiment pressing rod.
Furthermore, the lower part of the fixed constraint support is provided with a threaded connection hole which can be connected with a connection bolt, and the support joint is connected with the fixed constraint support through the connection bolt.
Further, the support adapter is connected with the cross beam through a fixing bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the fixed end restraint device for the compression bar stability experiment has simple structure and flexible operation;
(2) the fixed end restraint device for the pressure bar stability experiment of the utility model ensures that the experiment pressure bar has the fixed end restraint condition at the bar end through the rectangular notch inside the fixed restraint support and the pin on one side of the fixed restraint support;
(3) the fixed end restraint device for the compression bar stability experiment is provided with a fixed restraint support and a support joint with adjustable height, so that the flexible switching of different restraint compression bar stability experiments of two-end hinged support, one-end hinged support and one-end fixed support joint is realized on the multifunctional material mechanics test bed/device;
(4) a stiff end restraint device for experiment is stabilized to depression bar, only need add fixed restraint support, support adapter part on the basis of original material mechanics multifunctional test platform/device, need not to purchase special depression bar separately and stabilize experimental apparatus, can practice thrift equipment acquisition cost.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Figure 2 is a top view of the fixed restraint mount.
In the figure: 1-fixed constraint support, 2-notch, 3-pin, 4-bottom sleeve, 5-movable nut, 6-connecting bolt, 7-hexagon nut, 8-fixing bolt, 9-beam and 10-bolt fixing nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and more obvious, the present invention provides a fixed end constraint device for a compression bar stabilization experiment, which is further described below with reference to the accompanying drawings and specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The solid end constraint device for the multifunctional table compression bar stabilization experiment is shown in fig. 1 or fig. 2 and comprises a fixed constraint support 1, wherein the side length of the fixed constraint support 1 is a cube of 50mm, the top end of the upper part of the fixed constraint support 1 is provided with a notch 2 with the same size as the end of a compression bar rod, one side surface of the fixed constraint support 1 is provided with a pin 3, the pin 3 is connected with an experiment compression bar by penetrating through a pin hole on the end of the experiment compression bar rod, and the lower part of the fixed constraint support 1 is connected with a cross beam 9 by a support joint with adjustable height; the support adapter comprises a bottom sleeve 4, a movable nut 5, a connecting bolt 6 and a hexagon nut 7, wherein the connecting bolt 6 is connected with the movable nut 5 and fixed through the hexagon nut 7, the connecting bolt 6 is connected with the bottom sleeve 4 by rotating the movable nut 5, the support adapter is connected with a fixed constraint support 1 through the connecting bolt 6, and the support adapter is connected with a cross beam 9 of the material mechanics multifunctional test bed/device through a fixing bolt 8.
The use process of the device is as follows:
the lower part of the fixed constraint support 1 is provided with a threaded hole connected with a support joint, before an experiment, the end of the experiment pressing rod is inserted into the notch 2, then the pin 3 passes through a corresponding pin hole on the experiment pressing rod to complete the connection of the experiment pressing rod and the fixed constraint support 1, wherein one end of the pin 3 is provided with threads, one end provided with the threads stretches out of the fixed constraint support 1, and is fixed on one side of the fixed constraint support 1 by a bolt fixing nut 10. The assembly of the support adapter is divided into two steps: firstly, connecting a connecting bolt 6 with a movable nut 5 and fixing the connecting bolt through a hexagon nut 7; then the fixed connecting bolt 6 is connected with the bottom sleeve 4 by rotating the movable nut 5, and the height can be adjusted by the movable nut 5 so as to realize the height adjustment of the support adapter; and after the support joint is finished, connecting bolts 6 at the top of the support joint into bolt holes at the bottom of the fixed constraint support 1. And finally, fixing the connected fixed constraint support 1 and the support joint with a cross beam 9 at the lower part of the material mechanics multifunctional test bed/device by a fixing bolt 8 at the bottom.

Claims (5)

1. The utility model provides a gu hold restraint device for experiment is stabilized to multi-functional platform depression bar which characterized in that: the device comprises a fixed constraint support (1), wherein a notch (2) is formed in the upper portion of the fixed constraint support (1), a pin (3) used for fixing is arranged on one side face of the fixed constraint support (1), the lower portion of the fixed constraint support (1) is connected with a support joint capable of adjusting the height, and the support joint is connected with a cross beam (9).
2. The fixed end constraint device for the multifunctional table compression bar stabilization experiment as claimed in claim 1, wherein: the notch (2) is a rectangular notch which is arranged at the top end of the upper part of the fixed constraint support (1) and is used for inserting the end of the experiment compression bar rod; the pin (3) is connected with the experiment pressure lever by passing through a pin (3) hole on the end of the experiment pressure lever.
3. The fixed end constraint device for the multifunctional table compression bar stabilization experiment as claimed in claim 1 or 2, wherein: the support adapter comprises a bottom sleeve (4), a movable nut (5), a connecting bolt (6) and a hexagon nut (7), the connecting bolt (6) is connected with the movable nut (5) and fixed through the hexagon nut (7), and the connecting bolt (6) is connected with the bottom sleeve (4) through rotating the movable nut (5).
4. The fixed end constraint device for the multifunctional table compression bar stabilization experiment as claimed in claim 3, wherein: the lower part of the fixed constraint support (1) is provided with a threaded connection hole which can be connected with a connection bolt (6), and the support joint is connected with the fixed constraint support (1) through the connection bolt (6).
5. The fixed end constraint device for the multifunctional table compression bar stabilization experiment as claimed in claim 3, wherein: the support joint is connected with a cross beam (9) through a fixing bolt (8).
CN201921280469.XU 2019-08-08 2019-08-08 Solid end restraint device for multifunctional table compression bar stabilization experiment Expired - Fee Related CN210741992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921280469.XU CN210741992U (en) 2019-08-08 2019-08-08 Solid end restraint device for multifunctional table compression bar stabilization experiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921280469.XU CN210741992U (en) 2019-08-08 2019-08-08 Solid end restraint device for multifunctional table compression bar stabilization experiment

Publications (1)

Publication Number Publication Date
CN210741992U true CN210741992U (en) 2020-06-12

Family

ID=70983677

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921280469.XU Expired - Fee Related CN210741992U (en) 2019-08-08 2019-08-08 Solid end restraint device for multifunctional table compression bar stabilization experiment

Country Status (1)

Country Link
CN (1) CN210741992U (en)

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Granted publication date: 20200612