CN212483202U - Test block residue collecting device for concrete double-shaft compression test - Google Patents
Test block residue collecting device for concrete double-shaft compression test Download PDFInfo
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- CN212483202U CN212483202U CN202021332734.7U CN202021332734U CN212483202U CN 212483202 U CN212483202 U CN 212483202U CN 202021332734 U CN202021332734 U CN 202021332734U CN 212483202 U CN212483202 U CN 212483202U
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Abstract
A test block residue collection device for concrete biax compression creep test installs this device before the experiment on shelving the piston post of biax compression test's test piece below, and the characteristic is that this device comprises two different collection fill, and every is collected the whole shape of fill and is semicircle funnel shape, and two are collected fill bilateral symmetry and place on the piston post of testing arrangement below, are provided with the notch near sensor slide rod one side, and every outer fringe of collecting the fill is provided with 5~10cm fold part. The utility model ensures the safe operation of large-scale precision equipment, can avoid the increase of frictional resistance when the sensor slides due to the accumulation of fine dust on the piston, the telescopic rod and the sliding rod of the sensor, and can influence the precision of the sensor, greatly reduce the maintenance cost of the equipment, improve the equipment availability, prolong the service life of the equipment, and can also efficiently collect the test block residues generated by the concrete double-shaft compression test, thereby saving labor and time; can prevent the residue from leaking when the device is disassembled.
Description
Technical Field
The utility model discloses a test block residue collection device for concrete biax compression test specifically says so one kind and can effectively prevent that the test block residue from falling into the equipment clearance, and collection efficiency is high, and is easy and simple to handle, the collection device of assurance test instrument precision and security.
Background
The concrete biaxial compression creep test machine is developed by Nanjing research institute of hydrology and Changchun science new test instrument Co., Ltd, and is one of important equipments for hydrology water resource and national key laboratories of hydraulic engineering, the instrument has vertical loading capacity of 1000kN, horizontal loading capacity of 500kN, deformation measuring error of +/-0.0001 mm, and performance and precision in domestic advanced level.
The concrete biaxial compression creep testing machine belongs to large-scale equipment, has a complex structure and consists of three systems of loading constant pressure, force value and deformation measurement, control and analysis, a plurality of hydraulic and sliding components are arranged in the loading constant pressure system, the precision of a grating and a force sensor in the force value and deformation measurement system is high, and a large amount of gaps exist among hydraulic transmission components, sensors and the like in a base. A certain amount of concrete residues and dust can be generated after a concrete test piece is damaged by compression in the test process, if small-particle concrete residues slide into a space between a loading device oil cylinder and a piston and between an instrument telescopic rod or a sliding rod, the equipment piston or the telescopic rod and the sliding rod are possibly blocked, and the friction force is increased when the sensor slides due to the fact that small dust is accumulated, so that the accuracy of the sensor is influenced, and the stable operation of a test instrument is influenced.
Disclosure of Invention
For overcoming the technical defect, the utility model provides a to concrete biax compression test's residue collection device installs collection device before the experiment on shelving the piston post of biax compression test's concrete sample below, the device can cover concrete sample probably unrestrained when destroying, have the region of piston, telescopic link or slide bar, take off after the experiment the collection device fall the residue can. This device can prevent effectively that the test block residue from getting into hydro-cylinder and the piston clearance of concrete test piece below equipment, telescopic link or slide bar, when guaranteeing large-scale precision equipment's safe operation, can avoid tiny dust at piston and sensor telescopic link, it influences the sensor precision to pile up on the slide bar and to lead to the sensor to slide the time frictional resistance increase, the equipment maintenance cost that can significantly reduce simultaneously, improve equipment intact rate, the extension equipment service life, still can collect the test block residue that concrete biaxial compression test produced high-efficiently, use manpower sparingly and time.
In order to achieve the above object, the utility model discloses a following technical scheme realizes: the utility model provides a test block residue collection device for concrete biaxial compression test installs this collection device before the experiment on shelving the piston post of biaxial compression test's concrete test piece below, its characterized in that: this collection device comprises two different collection fill, and every collection fill's whole shape is semicircle funnel shape, two collection fill bilateral symmetry place on the piston post of testing arrangement below, be close to the collection fill of the member one side that the sensor slided and be provided with the notch, be provided with 5~10cm fold part in every outer fringe of collecting the fill.
The optimized design of the scheme is as follows:
an elastic rubber strip (also called a magic tape rubber strip) is arranged at the top of the collecting inverted bucket to ensure that the collecting inverted bucket is tightly connected with a test device and is convenient for skid resistance;
a magic tape is arranged at the joint of each collecting hopper and the test device so as to ensure that the collecting hopper is attached to the opposite side; an extension is arranged at the joint of the bottom of the collecting inverted bucket and the outer edge to ensure the complete collection of residues.
Repeatedly, the collecting device takes soft plastic, a rubber gasket and a magic tape as main materials, a main body consists of two different collecting inverted buckets, the soft plastic is taken as a material, the whole shape is a semicircular inverted funnel shape, the collecting inverted buckets are symmetrically placed on a piston column below the testing device in a left-right mode, a notch is formed in the collecting inverted bucket close to one side of a sensor sliding rod piece so as to ensure that the normal use of the sensor is not influenced, and a 5-10 cm-folded part is arranged on the outer edge of each collecting inverted bucket so as to adjust the collecting range and ensure that residues do not fall on an instrument; a magic tape rubber strip is arranged at the top of the collecting inverted bucket to ensure that the magic tape rubber strip is tightly connected with a test device and is convenient to prevent slipping; a magic tape is arranged at the joint of the collecting inverted bucket to ensure that the collecting inverted bucket is attached to the opposite side; the connection part of the bottom of the collecting inverted bucket and the outer edge is provided with an extension to ensure the complete collection of the residue.
The collecting device comprises a left collecting hopper, a right collecting hopper, an elastic rubber strip and a magic tape; the left collecting hopper is made of soft plastic, and has four parts, namely an adjustable fold outer edge, a collecting hopper bottom, a hopper inner slope and leakage-proof extension: the vertical surface of the outer edge of each fold can be adjusted to be funnel-shaped, the fold is in a semicircular ring shape when viewed from top, and a 5cm fold part is arranged on the outer edge to adjust the collection height and range of the outer side; the cross section of the bottom of the collecting hopper is bowl-shaped and is used for containing residues falling from the test blocks; the vertical surface of the inner slope of the inverted hopper is in an inverted funnel-shaped steep slope and is used for smoothly and excessively connecting the inner edge of the bottom of the collecting hopper with the piston column, and the top of the slope extends upwards by 5-10 cm so as to be convenient for installation and fixation of the elastic rubber strip; the leakage-proof extension is arranged at the outer edge joint, so that the complete collection of residues can be ensured; the right side is collected and is fought has four main components parts equally, is adjustable fold outer fringe, collects the fill end, fill inner slope and outer fringe notch down in the fill respectively: the adjustable fold outer edge, the collection hopper bottom and the inverted hopper inner slope are consistent with the left collection inverted hopper in material and action, and the outer edge notch is positioned in the middle section of the adjustable fold outer edge and used for ensuring the normal operation of the displacement sensor; a triangular area is extended inwards from the connecting part of the inner slope of the left collecting reverse hopper and the inner slope of the right collecting reverse hopper for mounting a magic tape; the width of the elastic rubber strip is 5cm, the thickness of the elastic rubber strip is 5mm, the length of the elastic rubber strip is consistent with the circumference of the piston column, and magic tapes are arranged at the two ends of the elastic rubber strip to ensure that the elastic rubber strip can be closely connected so as to ensure that the left collecting hopper and the right collecting hopper are closely connected.
The magic subsides install in the overhanging triangle-shaped of collection fill inner edge to install fast and dismantle.
The magic tape is fixed with the rubber strip and the collecting inverted bucket by using the structural adhesive.
In other words, the device comprises two soft plastic collecting pouring hoppers with adjustable fold outer edges, collecting hopper bottoms, pouring hopper inner slopes and leakage-proof extension, magic tapes for connection and skid prevention and elastic rubber strips.
The collecting tipping bucket is divided into a left collecting tipping bucket and a right collecting tipping bucket, and each collecting tipping bucket is an integrated model. The vertical surfaces of the two collecting inverted hoppers are inverted funnel-shaped, are in a semicircular shape when viewed from above, and are provided with 5-10 cm folded parts at the outer edge part, so that the collecting height and range at the outer side can be adjusted, and the collecting hopper can be conveniently used under different test device specifications; a notch is arranged on the outer edge side of the right inverted bucket to ensure that the normal use of the sensor is not influenced; the bottom of the left collecting inverted bucket is provided with a leakage-proof extension connected to the right collecting inverted bucket so as to ensure that residues are not leaked when the device is disassembled; the two inverted bucket connecting sections are provided with two triangular areas for installing magic tapes, so that the two inverted buckets are ensured to be tightly connected.
The elastic rubber strip is elastic sealing material, and thickness 5mm sets up the magic subsides at the left and right ends of elastic rubber strip for guarantee collect fill upper portion and piston post closely link to each other, play the antiskid simultaneously.
The magic subsides are the nylon material, glue at two collection fill linkage segment and elastic rubber strip both ends with the structure glue for connect two collection fill, make elastic rubber strip both ends closely laminate each other simultaneously, and convenient to detach.
In other words, the utility model mainly comprises a left collecting hopper 1, a right collecting hopper 2, an elastic rubber strip 3 and a magic tape 4; the left collecting hopper 1 is made of soft plastic, and has four main components, namely an adjustable fold outer edge 11, a collecting hopper bottom 12, a hopper inner slope 13 and a leakage-proof extension 14: the vertical surface of the adjustable fold outer edge 11 is funnel-shaped, is in a semicircular ring shape when viewed from above, and is provided with a 5-10 cm fold part for adjusting the collection height and range of the outer side; the cross section of the collecting hopper bottom 12 is bowl-shaped and is used for containing test block falling residues; the vertical surface of the inverted hopper inner slope 13 is in an inverted funnel-shaped steep slope, the inner edge of the collection hopper bottom 12 is smoothly and excessively connected with the piston column A, and the top of the slope extends upwards by 5cm so as to facilitate the installation and fixation of the elastic rubber strip 3; the leakproof extension 14 is used for ensuring the complete collection of residues; the right collecting hopper 2 also has four main components, namely an adjustable fold outer edge 21, a collecting hopper bottom 22, a hopper inner slope 23 and an outer edge notch 24: the adjustable fold outer edge 21, the collecting hopper bottom 22 and the dumping hopper inner slope 23 have the same materials and the same functions as those of the left collecting dumping hopper 1, and the outer edge notch 24 is positioned in the middle section of the adjustable fold outer edge 21 and used for ensuring the normal operation of the displacement sensor B; a triangular area is extended inwards from the connecting part of the left collecting inverted hopper inner slope 13 and the right collecting inverted hopper inner slope 23 to install the magic tape 4; the width of the elastic rubber strip 3 is 5cm, the thickness of the elastic rubber strip is 5mm, the length of the elastic rubber strip is consistent with the circumference of the piston column, and magic tapes are arranged at the two ends of the elastic rubber strip to ensure that the elastic rubber strip can be closely connected so as to ensure that the left collecting hopper 1 and the right collecting hopper 2 are closely connected.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the inverted bucket type collecting device, which can avoid the increase of frictional resistance when the sensor slides due to the accumulation of fine dust on the piston, the telescopic rod and the sliding rod of the sensor and the influence on the accuracy of the sensor while ensuring the safe operation of large-scale precision equipment, greatly reduce the maintenance cost of the equipment, improve the equipment availability, prolong the service life of the equipment, and efficiently collect the test block residues generated by the concrete double-shaft compression test, thereby saving labor and time;
2. the utility model adopts the mode of combining the easily detachable elastic rubber strip with the magic tape, so that the clearance between the collecting device and the test pad pile is reduced, and the anti-skid capability of the device is improved;
3. the utility model adopts the magic tape connecting device, which improves the connecting strength and reduces the mounting and dismounting time;
4. the utility model discloses a leak protection extension formula design, the residue is revealed when preventing device dismantles.
Drawings
FIG. 1 is a schematic view of the whole device of the present invention;
fig. 2 is a top view of the device of the present invention;
fig. 3-1, 3-2, 3-3 are three views of the collecting dump 1.
Detailed Description
Example 1, test piece residue collecting device for concrete biaxial compression test, referring to the attached drawing. This device is collected by a left side and is fallen fill 1, collects on the right side and fall fill 2, elastic rubber strip 3 and magic subsides 4 and constitute. Collect fill 1 and collect fill 2 on the right side for soft plastic material, symmetrical arrangement is in experimental facilities below piston column A both sides, then collects fill 1 top with elastic rubber strip embedding device, later compresses tightly both sides and collects fill 1 so that 3 inseparable links to each other of magic subsides, adjusts outer fringe to suitable collection scope. When the collecting bucket is detached, the collecting bucket is stretched towards two sides, and the magic tape is opened to treat residues.
In the figure, A is a piston column of the test device, and B is a slippage sensor.
The parts which are not designed in the utility model are the same as the prior art.
Claims (7)
1. The utility model provides a test block residue collection device for concrete biaxial compression creep test installs this collection device on shelving the piston post of biaxial compression test's concrete test piece below before the experiment, its characterized in that: this collection device comprises two different collection fill, and every collection fill's whole shape is semicircle funnel shape, two collection fill bilateral symmetry place on the piston post of testing arrangement below, be close to the collection fill of the member one side that the sensor slided and be provided with the notch, be provided with 5~10cm fold part in every outer fringe of collecting the fill.
2. The test block residue collecting device for the biaxial compression creep test of concrete according to claim 1, wherein: an elastic rubber strip is arranged at the top of the collecting inverted bucket to ensure that the collecting inverted bucket is closely connected with a testing device and is convenient for skid resistance.
3. The test block residue collecting device for the biaxial compression creep test of concrete according to claim 2, wherein: a magic tape is arranged at the joint of each collecting hopper and the test device so as to ensure that the collecting hopper is attached to the opposite side; an extension is arranged at the joint of the bottom of the collecting inverted bucket and the outer edge to ensure the complete collection of residues.
4. The test block residue collecting device for the biaxial compression creep test of concrete according to claim 3, wherein: the collecting hopper is divided into a left collecting hopper and a right collecting hopper, and each collecting hopper is an integrated model; the vertical surfaces of the left collecting inverted bucket and the right collecting inverted bucket are inverted funnel-shaped, the vertical surfaces of the left collecting inverted bucket and the right collecting inverted bucket are semicircular in plan view, and 5-10 cm of folded parts are arranged on the outer edge parts of the left collecting inverted bucket and the right collecting inverted bucket; a notch is arranged on the outer edge side of the right inverted bucket to ensure that the normal use of the sensor is not influenced; the left side is collected the fill bottom and is set up the leak protection and extend to be connected to the right side and collect the fill in order to guarantee that the residue does not reveal when the device is dismantled.
5. The test block residue collecting device for the biaxial compression creep test of concrete according to claim 4, wherein: the left collecting hopper and the right collecting hopper connecting section are provided with two triangular areas for installing magic tapes, so that the two hoppers are ensured to be tightly connected.
6. The test block residue collecting device for the biaxial compression creep test of concrete according to claim 5, wherein: the elastic rubber strip is elastic sealing material, and thickness 5mm sets up the magic subsides at this elastic rubber strip left and right ends for guarantee collect fill upper portion and piston post closely link to each other, play the antiskid simultaneously.
7. The test block residue collecting device for the concrete biaxial compression creep test according to any one of claims 4 to 6, wherein: the magic subsides are the nylon material, glue at two collection fill linkage segment and elastic rubber strip both ends with the structure glue for connect two collection fill, make elastic rubber strip both ends closely laminate each other simultaneously, and convenient to detach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021332734.7U CN212483202U (en) | 2020-07-08 | 2020-07-08 | Test block residue collecting device for concrete double-shaft compression test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021332734.7U CN212483202U (en) | 2020-07-08 | 2020-07-08 | Test block residue collecting device for concrete double-shaft compression test |
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| CN212483202U true CN212483202U (en) | 2021-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054252A (en) * | 2023-10-11 | 2023-11-14 | 中国科学院金属研究所 | Tensile test device with scald-proof protection and sample collection function after fracture |
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2020
- 2020-07-08 CN CN202021332734.7U patent/CN212483202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054252A (en) * | 2023-10-11 | 2023-11-14 | 中国科学院金属研究所 | Tensile test device with scald-proof protection and sample collection function after fracture |
| CN117054252B (en) * | 2023-10-11 | 2023-12-12 | 中国科学院金属研究所 | Tensile test device with scald-proof protection and sample collection function after fracture |
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