CN207585987U - A kind of Beat numbers device for MMLS accelerating and loading tests - Google Patents

A kind of Beat numbers device for MMLS accelerating and loading tests Download PDF

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Publication number
CN207585987U
CN207585987U CN201721881539.8U CN201721881539U CN207585987U CN 207585987 U CN207585987 U CN 207585987U CN 201721881539 U CN201721881539 U CN 201721881539U CN 207585987 U CN207585987 U CN 207585987U
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CN
China
Prior art keywords
hydraulic cylinder
sliding block
pedestal
mmls
guide post
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Expired - Fee Related
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CN201721881539.8U
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Chinese (zh)
Inventor
葛海涛
韩振强
熊晓威
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Changan University
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Changan University
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Priority to CN201721881539.8U priority Critical patent/CN207585987U/en
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Publication of CN207585987U publication Critical patent/CN207585987U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of Beat numbers device for MMLS accelerating and loading tests, including pedestal, set on the pedestal there are two strip groove, one side wall is separately installed in two strip grooves;Two die trial fixing bolts are fixed to fastening by two side walls;Two side walls are connected respectively with side wall transmission device;A guide post is also equipped on the pedestal, guide post is equipped with the first sliding block that can be slided up and down along guide post and the first locating piece being fixed on above the first sliding block, and the first locating piece bottom surface is equipped with first pressure sensor;First hydraulic cylinder is additionally provided on pedestal, the side of the first sliding block is connected to slide up and down along guide post under the driving of first hydraulic cylinder with the top of first hydraulic cylinder.The utility model can be realized when carrying out small-sized accelerating and loading test, complete to be molded discrete material test specimen, overcome previous Beat numbers equipment and the deficiency of patterning method, provided new test platform for MMLS experiments, promoted the technological progress and development of the technical field.

Description

A kind of Beat numbers device for MMLS accelerating and loading tests
Technical field
The utility model is related to a kind of earthwork test Instrument, it is specially a kind of for MMLS accelerating and loading tests hit it is real into Type device.
Background technology
MMLS is a kind of effective small-sized highway accelerating and loading test equipment, its small volume, lighter in weight, transporter Just, it can be not only used for laboratory test, it can also be used to field test.During MMLS is for laboratory test, need proprietary in MMLS Shaping test piece in test flume, and test flume and non-circular slot, but have the rectangular channel of fillet.Current specimen molding device is main Using compaction test apparatus, compaction test apparatus is to be used for highway, water conservancy, the special instrument of rock and soil field, and common compaction test apparatus shaping test piece is equal Using round die trial bucket, therefore traditional compaction test apparatus device cannot meet MMLS test requirements documents.The proprietary test flumes of MMLS are made at present The usual way of interior shaping test piece is so as to adapt to slot inside dimension, but such cutting mode with round test specimen is carried out cutting mode It can not be effective to discrete material (such as graded broken stone).It would therefore be highly desirable to a kind of new proprietary former is designed to meet experiment Demand.
Invention content
The purpose of the utility model is to provide a kind of Beat numbers device for MMLS accelerating and loading tests, with solution The problem of certainly existing experimental condition can not be molded discrete material test specimen in MMLS accelerating and loading tests.
To achieve the above object, the technical solution of the utility model is:
A kind of Beat numbers device for MMLS accelerating and loading tests, including pedestal, which is characterized in that on the pedestal It is set in width direction there are two parallel strip groove, one side wall is separately installed in two strip grooves;Described in two Space between side wall for placing die trial, two die trial fixing bolts respectively from the right and left of die trial by two side walls to wearing It is fixed;Two side walls are connected respectively with being arranged on the side wall transmission device of chassis interior;
A guide post is also equipped on the pedestal, guide post is equipped with the first sliding block that can be slided up and down along guide post and fixation The first locating piece above the first sliding block, the first locating piece bottom surface are equipped with first pressure sensor;Is additionally provided on pedestal One hydraulic cylinder, the side of the first sliding block is connected with the top of first hydraulic cylinder leads so as to the driving lower edge in first hydraulic cylinder Column slides up and down;The opposite side of first sliding block is fixed with second hydraulic cylinder, and the telescopic end suspension one of second hydraulic cylinder is dropped hammer, this falls The through-hole on hammer top is matched with the telescopic end of second hydraulic cylinder;
Chassis interior is provided with second pressure sensor, for perceiving the pressure signal to drop hammer;The first pressure passes Sensor, second pressure sensor are connect respectively with control module, control module according to receive signal control first hydraulic cylinder, Second hydraulic cylinder acts.
Further, the side wall transmission device includes third hydraulic cylinder, actuating arm, fixed arm and the second sliding block;Wherein, Third hydraulic cylinder and fixed arm are fixed on chassis interior, and actuating arm is connected by the second sliding block with the top of third hydraulic cylinder, and The length direction of actuating arm is fixedly connected perpendicular to side wall, the bottom of two side walls with actuating arm respectively;Sliding block, which is mounted on, to be fixed It can move back and forth on arm and along it;Fixed arm both ends are respectively equipped with second locating piece, for limiting sliding block in fixed arm On scope of activities;Third pressure sensor is equipped on two the second locating pieces, third pressure sensor connects with control module It connects.
Further, the control module uses microcontroller.
Further, the through-hole uses cylindrical type or triangular prism-shaped through-hole.
The utility model can be realized when carrying out small-sized accelerating and loading test, complete to be molded discrete material test specimen, overcome The deficiency of previous Beat numbers equipment and patterning method provides new test platform for MMLS experiments, promotes the technical field Technological progress and development.
Description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the vertical view of the utility model.
Fig. 3 is the left view of the utility model.
Fig. 4 is the detail structure chart of side wall transmission device.
It is pedestal to be marked in figure, 2- side walls, 3- die trials, 4- die trial fixing bolts, and 5- drops hammer, 6- guide posts, and 7- bar shapeds are recessed Slot, 8- side wall transmission devices, 9- first hydraulic cylinders, the first sliding blocks of 10-, the first locating pieces of 11-, 12- second hydraulic cylinders, 13- lead to Hole, 14- third hydraulic cylinders, the second sliding blocks of 15-, the second locating pieces of 16-, 17- actuating arms, 18- fixed arms.
Specific embodiment
As shown in Figs. 1-3, the Beat numbers device provided by the utility model for MMLS accelerating and loading tests, the bottom of including Seat 1 is set in width direction on pedestal 1 there are two parallel strip groove 7, and one side wall is separately installed in two strip grooves 7 2;Space between two side walls 2 is for placing die trial 3, using two die trial fixing bolts 4 respectively from the right and left of die trial 3 Two side walls 2 are fixed to fastening, die trial 3 is made to be clamped by two side walls 2;The side with being arranged on inside pedestal 1 respectively of two side walls 2 Wall transmission device 8 is connected, and side wall transmission device 8 is for driving side wall 2 to move back and forth along strip groove 7, so as to drive die trial 3 It is moved horizontally back and forth along the length direction of pedestal 1.
A guide post 6 is also equipped on pedestal 1, guide post 6 is equipped with the first sliding block 10 that can be slided up and down along guide post 6 and admittedly The first locating piece 11 of 10 top of the first sliding block is scheduled on, 11 bottom surface of the first locating piece is equipped with first pressure sensor;On pedestal 1 also First hydraulic cylinder 9 is provided with, the side of the first sliding block 10 is connected with the top of first hydraulic cylinder 9 so as in first hydraulic cylinder It is slided up and down under 9 driving along guide post 6;The opposite side of first sliding block 10 is fixed with second hydraulic cylinder 12, second hydraulic cylinder 12 Top suspension one drops hammer 5, and the telescopic end of second hydraulic cylinder 12 passes through the through-hole 13 on 5 tops of dropping hammer;When telescopic end is retracted, fall Hammer 5 is fallen, and is penetrated when telescopic end stretches out and is dropped hammer 5.
Pedestal 1 is internally provided with second pressure sensor, for perceive drop hammer 5 pressure signal;The first pressure Sensor, second pressure sensor are connect respectively with control module, and control module controls the first hydraulic pressure according to the signal received Cylinder 9, second hydraulic cylinder 12 act.
Die trial 3 when in use, is first fixed on by fixing bolt 4 between two side walls 2 by above-mentioned technical proposal;Meanwhile First hydraulic cylinder 9 is in compressive state, and the telescopic end of second hydraulic cylinder 12 penetrates the through-hole 13 on 5 tops of dropping hammer;Control module opens Dynamic first hydraulic cylinder 9, with movable slider 10 along guide post 6 upwards so as to which second hydraulic cylinder 12 be driven to be run up with 5 entirety of dropping hammer, when Second pressure sensor perception in pedestal 1 drop hammer 5 leave after, send out signal to control module, control module control side wall passes Dynamic device 8 moves, so as to drive one end inner wall of die trial 3 and drop hammer 5 one end outer wall consistency from top to bottom;On the other hand, work as sliding block First pressure sensor is touched after 10 the first locating pieces 11 of arrival, after control module receives the signal of first pressure sensor, Control second hydraulic cylinder 12 bounces back, and 5 freely falling bodies that drop hammer carry out the soil body in die trial 3 once to hit reality, and one to hit real process complete Into.At this point, second pressure sensor in pedestal 1 sends out 5 pressure signal of dropping hammer perceived to control module, control Molding block control first hydraulic cylinder 9 drops to 5 upper through-hole, 13 position of dropping hammer, and control module control second hydraulic cylinder 12 is stretched Contracting end penetrates the through-hole 13 on 5 tops of dropping hammer, and hits real process into secondary, hits after reality every time later, side wall transmission device 8 Drive die trial 3 mobile primary on pedestal 1 so that 5 each fall of dropping hammer carry out hitting reality to the different location of sample in die trial 3, Under the drive of side wall transmission device 8, the movement of periodic back and forth on pedestal 1 of die trial 3, so as to fulfill in 5 pairs of die trials 3 of dropping hammer Sample integrally hits reality.To sum up, the design of this technical solution can obtain being suitable for the test specimen of MMLS experiments, so as to effectively improve examination Test precision and accuracy.
Preferably, side wall transmission device 8 is as shown in figure 4, including third hydraulic cylinder 14, actuating arm 17, fixed arm 18 and Two sliding blocks 15;Wherein, third hydraulic cylinder 14 and fixed arm 18 are fixed on inside pedestal 1, actuating arm 17 by the second sliding block 15 with The top of third hydraulic cylinder 14 is connected, and the length direction of actuating arm 17 is perpendicular to side wall 2, the bottoms of two side walls 2 respectively with Actuating arm 17 is fixedly connected;Second sliding block 15 is mounted on fixed arm 18 and can be moved back and forth along it;18 both ends of fixed arm point It does not set there are one the second locating piece 16, for limiting scope of activities of the sliding block 15 on fixed arm 18, so as to define in side wall 2 The moving range of die trial 3.Third pressure sensor, third pressure sensor and control mould are equipped on two the second locating pieces 16 Block connects, and control module is flexible according to the signal control third hydraulic cylinder 14 received.
Under the side wall transmission device 8 of aforesaid way, 5 letters for leaving pedestal 1 that drop hammer are perceived in second pressure sensor After number issuing control module, control module control third hydraulic cylinder 14 drives sliding block 15 to be moved along fixed arm 18, and sliding block 15 drives Actuating arm 17 is moved so as to drive side wall 2 and wherein fixed die trial 3 along 1 length direction horizontal movement of pedestal, and the second of movement When sliding block 15 reaches any one second locating piece 16, third pressure sensor sends a signal to control after being collided by the second sliding block 15 Module, control module control third hydraulic cylinder 14 are moved to negative direction, when hydraulic cylinder 14 drives the second sliding block 15 and two positioning After block 16 collides once respectively, control system sends out signal, and the movement of hydraulic cylinder 14 is back to centre position, starts next round examination later The period movement of mould.
Preferably, control module uses microcontroller.
Preferably, cylindrical type or triangular prism-shaped through-hole may be used in through-hole 13.Wherein, through-hole 13 is designed as cylindrical energy The telescopic end of second hydraulic cylinder 12 is enough facilitated rapidly to penetrate;Triangular prism-shaped is designed as then so that dropping hammer 5 during rising More stablize.

Claims (4)

1. a kind of Beat numbers device for MMLS accelerating and loading tests, including pedestal, which is characterized in that wide on the pedestal Parallel strip groove there are two setting is spent on direction, one side wall is separately installed in two strip grooves;Two sides Space between wall for placing die trial, two die trial fixing bolts respectively from the right and left of die trial by two side walls to fastening It is fixed;Two side walls are connected respectively with being arranged on the side wall transmission device of chassis interior;
It is also equipped with a guide post on the pedestal, guide post is equipped with the first sliding block that can be slided up and down along guide post and is fixed on the The first locating piece above one sliding block, the first locating piece bottom surface are equipped with first pressure sensor;The first liquid is additionally provided on pedestal Cylinder pressure, the side of the first sliding block be connected with the top of first hydraulic cylinder so as under the driving of first hydraulic cylinder along guide post Lower slider;The opposite side of first sliding block is fixed with second hydraulic cylinder, and the telescopic end suspension one of second hydraulic cylinder is dropped hammer, on this drops hammer The through-hole in portion is matched with the telescopic end of second hydraulic cylinder;
Chassis interior is provided with second pressure sensor, for perceiving the pressure signal to drop hammer;The first pressure sensor, Second pressure sensor is connect respectively with control module, and control module is according to the signal control first hydraulic cylinder received, second Hydraulic cylinder acts.
2. it to be used for the Beat numbers device of MMLS accelerating and loading tests as described in claim 1, which is characterized in that the side wall Transmission device includes third hydraulic cylinder, actuating arm, fixed arm and the second sliding block;Wherein, third hydraulic cylinder and fixed arm are fixed on Chassis interior, actuating arm are connected by the second sliding block with the top of third hydraulic cylinder, and the length direction of actuating arm is perpendicular to side Wall, the bottom of two side walls are fixedly connected respectively with actuating arm;Sliding block is mounted on fixed arm and can be moved back and forth along it;Gu Fixed arm both ends are respectively equipped with second locating piece, for limiting scope of activities of the sliding block on fixed arm;Two second positioning Third pressure sensor is equipped on block, third pressure sensor is connect with control module.
3. it to be used for the Beat numbers device of MMLS accelerating and loading tests as described in claim 1, which is characterized in that the control Module uses microcontroller.
4. it to be used for the Beat numbers device of MMLS accelerating and loading tests as described in claim 1, which is characterized in that the through-hole Using cylindrical type or triangular prism-shaped through-hole.
CN201721881539.8U 2017-12-28 2017-12-28 A kind of Beat numbers device for MMLS accelerating and loading tests Expired - Fee Related CN207585987U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721881539.8U CN207585987U (en) 2017-12-28 2017-12-28 A kind of Beat numbers device for MMLS accelerating and loading tests

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721881539.8U CN207585987U (en) 2017-12-28 2017-12-28 A kind of Beat numbers device for MMLS accelerating and loading tests

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CN207585987U true CN207585987U (en) 2018-07-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113125169A (en) * 2021-04-19 2021-07-16 奇瑞商用车(安徽)有限公司 Vehicle-mounted wireless charging module performance test board and test method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113125169A (en) * 2021-04-19 2021-07-16 奇瑞商用车(安徽)有限公司 Vehicle-mounted wireless charging module performance test board and test method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180706

Termination date: 20191228

CF01 Termination of patent right due to non-payment of annual fee