CN205826259U - Bump assay device under the influence of simulation tectonic stress - Google Patents
Bump assay device under the influence of simulation tectonic stress Download PDFInfo
- Publication number
- CN205826259U CN205826259U CN201620687710.0U CN201620687710U CN205826259U CN 205826259 U CN205826259 U CN 205826259U CN 201620687710 U CN201620687710 U CN 201620687710U CN 205826259 U CN205826259 U CN 205826259U
- Authority
- CN
- China
- Prior art keywords
- test specimen
- bar
- loading unit
- bump
- influence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses bump assay device under the influence of a kind of simulation tectonic stress, belong to rock mass engineering project testing equipment technical field.Which solve assay device of the prior art and press this technical problem of genesis mechanism with can not simulating lateral impact under the influence of tectonic stress.This assay device includes test specimen, for the test specimen box placing test specimen and the upper and lower loading unit being carried on test specimen box, left and right loading unit and forward and backward loading unit, the most left loading unit includes impacting pouring weight, lifting device, guide post, impact base, sticking up bar and charger, vertical stress is provided to impact pouring weight by lifting device, stick up bar and vertical stress is converted into the side force of test specimen, carry out imitation specimen by occurring bump, this utility model assay device to make bump test closer to natural situation under the influence of tectonic stress.
Description
Technical field
This utility model relates to rock mass engineering project testing equipment technical field, under the influence of being specifically related to a kind of simulation tectonic stress
Bump assay device.
Background technology
Bump, is the elastic deformation potential energy built up in a kind of coal, rock mass the most fierce release under certain condition,
Cause the phenomenon that coal, rock mass burst and eject, and by the further crushing failure at high speed effect of country rock, wink in destructive process
Time release huge energy.Be often accompanied by the huge sound and rock mass vibrations, often result in support lose, side fall roof, tunnel blocking, people
Member's injures and deaths, threaten huge to safety in production.
Research bump pests occurrence rule, theory analysis to be passed through, field observation, more to be visited by simulation experiment
Its essential laws of rope.Bump power source stress basis is divided into gravitational stresses and tectonic stress, conventional impact ground pressing mold to intend examination
Experiment device is only capable of bump (vertically impact) genesis mechanism under the influence of simulated gravity, can not simulate tectonic stress impact
Under bump (lateral impact) genesis mechanism.It addition, another difficult problem is to be subject at coal, rock test specimen in bump simulation test
During impact failure, confined pressure is difficult to continue to keep, the problem that namely there is " supporting effect ".
Utility model content
For solving technical problem present in above-mentioned prior art, this utility model provides a kind of simulation tectonic stress shadow
Ring lower impact ground compression testing device, test specimen under the influence of tectonic stress can be simulated and withstand shocks load, and at test specimen destructive process
In supplement rapidly energy.
Its technical solution includes:
Bump assay device under the influence of a kind of simulation tectonic stress, it includes hexahedron test specimen, for placing test specimen
Test specimen box and be carried on six faces of described test specimen box upper and lower to loading unit, left and right loading unit and forward and backward
Loading unit,
Described left loading unit be used for simulate described test specimen by under the influence of tectonic stress occur bump, it include punching
Hitting pouring weight, lifting device, guide post, impact base, stick up bar and charger, impact pouring weight is enclosed within described guide post, and with
Being formed between described guide post and be slidably connected, described lifting device is connected with the top of described impact pouring weight, to control described punching
Hitting rising or falling of pouring weight, the impact pouring weight after decline falls on described impact base, sticks up described in the connection of described impact base
Bar；
Described charger includes that loading frame, load cylinder and brute spring, the main frame of described loading frame are by two
The different rectangular slab parallel arrangement of area forms, and wherein, the little rectangular slab of area is in the side near described test specimen box, at area
The center of big rectangular slab is provided with through hole, is provided with several circular holes in described through hole periphery, and described load cylinder connects
Have two load bars, described in stick up bar and be connected with one of them load bar, another load bar is through described through hole and is fitted in face
Outside long-pending little rectangular slab, being provided with fastening bolt on each circular hole, it is little that one end of described brute spring is pasted onto area
Inside rectangular slab, the other end is fitted on described test specimen box.
In technique scheme, control rising or falling of impact pouring weight by lifting device, after impact pouring weight declines,
Utilization is stuck up rod principle and vertical impulsive force is transferred to the lateral of test specimen, is equivalent to cleverly vertical force is changed into side force,
Simulate the impact load that test specimen under the influence of tectonic stress bears.
As a preferred version of the present utility model, the end face near the test specimen box of above-mentioned left loading unit welds
Having end cap, above-mentioned end cap is hollow plate structure.
As another preferred version of the present utility model, above-mentioned to stick up bar angularly disposed, arranges in the above-mentioned bottom sticking up bar
Having and stick up bar support seat, the above-mentioned bar that sticks up is connected by union joint with load bar.
Preferably, above-mentioned upper and lower loading unit, forward and backward loading unit and right loading unit all include load cylinder and with
The load bar that described load cylinder connects, described load bar is fitted on test specimen box.
Preferably, above-mentioned lifting device includes that motor, motor drive shaft and capstan winch, above-mentioned capstan winch are enclosed within said motor axle, on
Stating and be wound with rope on capstan winch, the other end of above-mentioned rope is connected with the top of above-mentioned impact pouring weight.
Preferably, said motor is equipped with motor base, and said motor axle is equipped with motor drive shaft and supports seat, and above-mentioned rope is
It is made up of Steel material.
Preferably, above-mentioned test specimen box and upper and lower loading unit, the loading in left and right loading unit and forward and backward loading unit
Bar joint place is provided with loading cushion block.
Preferably, the bottom of above-mentioned test specimen box is fixed on test specimen box bracing frame, is the end below above-mentioned test specimen box bracing frame
Seat board.
Preferably, above-mentioned loading cushion block is that rigid is made.
The Advantageous Effects that this utility model is brought:
This utility model utilizes the gravity that impact pouring weight falls, and in conjunction with sticking up rod principle, the impulsive force of vertical direction is turned
Becoming lateral impulsive force, compared with directly carrying out lateral impact, wanting simple in condition, if such as using lateral punching realizing
Hit, need to arrange lateral impact device, and this device need to be separately provided energy storage device, it is achieved get up complex.Realize perpendicular
Play a decisive role to impulsive force is impact pouring weight and stick up linkage.By up and down, around loading unit, to test specimen
Carrying out prestrain, the spring of the most left loading unit tightens fastening bolt and can load, at the beginning of prestrain makes test specimen reach
Beginning high-stress state, the impulsive force being then impinge upon pouring weight is transferred to test specimen, impacts test specimen, and test specimen occurs after receiving impact
Destroy, and now load bar is no longer able to nourish test specimen in time fill loading, at this moment, owing to left side spring has elasticity, so
Can carry out in time supplementing loading.
In left loading unit, lifting device is supplied to impact the impulsive force of the vertical direction of pouring weight by sticking up rod principle
It is transferred to the lateral of test specimen, for imitation specimen by bump occurs under the influence of tectonic stress；By load cylinder and strength
Spring applies pressure to test specimen so that it is be under high-stress state, by impact pouring weight, test specimen is applied lateral impact load, by
In brute spring, there is high-energy elastic, buttressing effect will be caused to affect impact load as conventional rigid column, real
Show and allowed test specimen withstand shocks under the conditions of continuing load the target of load；Test specimen is broken under the conditions of heavily stressed and shock vibration
Bad, its intensity reduces and occurs certain compression failure, and the elongation of brute spring instantaneous expansion, enters rapidly test specimen in this process
Row supplements and loads, and i.e. supplements energy, simulates outside country rock and coal and rock is pressed further by acting so that bump is tested
Closer to natural situation.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is described further:
Fig. 1 is that this utility model intends bump assay device front view under the influence of tectonic stress；
Fig. 2 is that this utility model intends bump assay device front view under the influence of tectonic stress；
Fig. 3 is charger partial schematic diagram in left loading unit；
In figure, 1, impact pouring weight, 2, motor, 3, capstan winch, 4, motor drive shaft, 5. motor drive shaft supports seat, and 6, rope, 7, at the bottom of motor
Seat, 8, guide post, 9, test specimen box framework, 10, front and back load cushion block, 11, load cushion block up and down, 12, left and right load cushion block, 13,
Test specimen, 14, front and back load cylinder, 15, front and back gripper shoe, 16, front and back support column, 17, upper and lower load cylinder, 18, upper backup pad,
19, upper and lower support column, 20, impact base, 21, stick up bar, 22, stick up bar and support seat, 23, union joint, 24, left load bar, 25, Zuo Jia
Carry bar and support seat, 26, loading frame, 27, brute spring, 28, end cap, 29, right load cylinder, 30, right support plate, 31, test specimen box
Bracing frame, 32, bedplate.
Detailed description of the invention
The utility model proposes bump assay device under the influence of a kind of simulation tectonic stress, in order to make this practicality new
The advantage of type, technical scheme are clearer, clear and definite, elaborate this utility model below in conjunction with specific embodiment.
This utility model, bump assay device under the influence of simulation tectonic stress, shown in Fig. 1 and Fig. 2, specifically wraps
Include hexahedral test specimen box, hexahedral test specimen 13 and load maintainer, outside test specimen box, be cased with test specimen box framework 9, load maintainer pair
Six face imposed loads of the up, down, left, right, before and after of test specimen box, around being i.e. respectively, load, wherein, front and back up and down
Loading unit includes before and after's load cylinder 14, front and back gripper shoe 15 and front and back support column 16, the load bar that load cylinder 14 connects
Be fitted in test specimen box surface, be provided with in joint place front and back loading cushion block 10, upper and lower loading unit include upper and lower load cylinder 17,
Upper backup pad 18 and upper and lower support column 19, the joint place of the load bar being connected with load cylinder 17 and test specimen box is provided with and adds up and down
Carry cushion block 11, i.e. acted on test specimen box by front and back's loading unit and upper and lower loading unit, complete to before and after test specimen 13, on
Lower loading, preferably test specimen 13 generally trapezium structure.
Shown in Fig. 1 and Fig. 3, left loading unit is as main improvement of the present utility model, and it can be with imitation specimen
13 are impacted pouring weight 1, lifting device, guide post 8, impact by occurring bump, left loading unit to include under the influence of tectonic stress
Base 20, sticking up bar 21 and charger, impact pouring weight 1 is with holes, and it is enclosed within guide post 8, can carry out upper downslide along guide post 8
Dynamic, the top of impact pouring weight 1 is hung on lifting device, and by lifting device control, impact pouring weight 1 can glide along guide post 8
Dynamic, guide post 8 is also possible to prevent to impact pouring weight 1, during falling, bigger skew occurs, and the impact pouring weight after decline falls
On impact base 20, bar 21 is stuck up in impact base connection, sticks up bar 21 angularly disposed, is installed on and sticks up bar support seat 22 bottom it；
The left and right sides of test specimen box is respectively arranged with left and right and loads cushion block 12, welds on the end face near the test specimen box of left loading unit
There is the end cap 28 in hollow plate structure, it is therefore intended that increase the fastening stroke of fastening bolt.
Charger includes loading frame 26, left load cylinder and brute spring 27, and the main frame of loading frame 26 is by two
The different rectangular slab parallel arrangement of area forms, and wherein, the little rectangular slab of area is in the side near test specimen box, big at area
The center of rectangular slab is provided with through hole, is provided with several circular holes in through hole periphery, and load cylinder two ends are connected to two
Individual left load bar 24, left load bar 24 is installed in the left load bar for being fixed it and supports seat 25, sticks up bar 21 by even
Joint 23 is connected with one of them left load bar, and another left load bar is through through hole and is fitted in outside the rectangular slab that area is little
Side, is provided with fastening bolt on each circular hole, and one end of brute spring 27 is pasted onto inside the rectangular slab that area is little, the other end
Being fitted on test specimen box, when test specimen left and right directions loads, left side turns fastening bolt and makes loading frame 26 hold out against brute spring 27,
By left loading cushion block, test specimen is carried out left side pressurization, the one end of the described brute spring that pressurizeed on the right side of test specimen by right load cylinder
Being pasted onto inside the rectangular slab that area is little, the other end is fitted on test specimen box, owing to brute spring has high-energy elasticity, and will not
Buttressing effect is caused to affect impact load as conventional rigid column, it is achieved that to allow test specimen bear under the conditions of continuing load
The target of impact load；Right loading unit includes right load bar and the right side that the right load cylinder 29 of right load cylinder 29 and this is connected
Gripper shoe 30.
Lifting device includes that motor 2, motor drive shaft 4 and capstan winch 3, motor drive shaft 4 are directly connected with motor 2, arranges below motor
Motor base 7, motor drive shaft is equipped with motor drive shaft and supports seat 5, and capstan winch 3 overlaps on the motor, capstan winch is wound with by Steel material system
The rope 6 become, the other end of rope 6 is connected with the top of impact pouring weight 1, provides power that capstan winch 3 is rotated by motor, logical
Cross folding and unfolding rope 6, thus the impact pouring weight controlling rope 6 bottom rises or falls.
Test specimen 13 is overall is preferably trapezium structure, and the bottom of test specimen box is fixed on test specimen box bracing frame 31, and test specimen box props up
Being bedplate 32 below support, the loading cushion block preferably rigid on face, test specimen box top to bottom, left and right, front and rear is made.
Below in conjunction with concrete test method, this utility model is described further.
Bump test method under the influence of this utility model tectonic stress, comprises the following steps:
1) test specimen of making is put in test specimen box, test specimen box is installed in place, is respectively mounted.Lower loading unit, left and right
Loading unit and forward and backward loading unit；
2) by front and back's load cylinder, upper and lower load cylinder, loading frame and brute spring, right load cylinder, test specimen is added
Carry, make test specimen reach the stress state of requirement, then keep；
3) adjusting height and the weight of impact pouring weight, then release impact pouring weight, impacts test specimen；
4) mention impact pouring weight, shed on-load pressure, dismantle test specimen box, take out test specimen, the destruction feelings of record analysis test specimen
Condition.
It should be noted that the impact pouring weight that vertical direction impulsive force is provided in this utility model and lifting device, also
Can be with replacing such as impulsive force hammer body etc., routine or equivalent that those skilled in the art are done under enlightenment of the present utility model are replaced
Change, all should be within protection domain of the present utility model.
Claims (7)
1. a bump assay device under the influence of simulation tectonic stress, it includes hexahedron test specimen, for placing test specimen
Test specimen box and be carried in the upper and lower, left and right on six faces of described test specimen box and forward and backward loading unit, it is characterised in that:
Described left loading unit be used for simulate described test specimen by under the influence of tectonic stress occur bump, it include impact weight
Block, lifting device, guide post, impact base, sticking up bar and charger, impact pouring weight is enclosed within described guide post, and with described
Being formed between guide post and be slidably connected, described lifting device is connected with the top of described impact pouring weight, to control described impact weight
Rising or falling of block, the impact pouring weight after decline falls on described impact base, sticks up bar described in the connection of described impact base；
Described charger includes that loading frame, load cylinder and brute spring, the main frame of described loading frame are by two areas
Different rectangular slab parallel arrangements forms, and wherein, the little rectangular slab of area is in the side near described test specimen box, big at area
The center of rectangular slab is provided with through hole, is provided with several circular holes in described through hole periphery, and described load cylinder connects two
Individual load bar, described in stick up bar and be connected with one of them load bar, another load bar is through described through hole and to be fitted in area little
Rectangular slab outside, each circular hole is provided with fastening bolt, one end of described brute spring is pasted onto the rectangle that area is little
Inside plate, the other end is fitted on described test specimen box.
Bump assay device under the influence of simulation tectonic stress the most according to claim 1, it is characterised in that: close
Being welded with end cap on the end face of the test specimen box of described left loading unit, described end cap is hollow plate structure.
Bump assay device under the influence of simulation tectonic stress the most according to claim 1, it is characterised in that stick up described in:
Bar is angularly disposed, is provided with in the described bottom sticking up bar and sticks up bar and support seat, described in stick up bar and be connected by union joint with load bar.
Bump assay device under the influence of simulation tectonic stress the most according to claim 1, it is characterised in that: described
Upper and lower loading unit, forward and backward loading unit and right loading unit all include load cylinder and with adding that described load cylinder is connected
Carrying bar, described load bar is fitted on test specimen box.
Bump assay device under the influence of simulation tectonic stress the most according to claim 1, it is characterised in that carry described in:
Rise device and include that motor, motor drive shaft and capstan winch, described capstan winch are enclosed within described motor drive shaft, described capstan winch is wound with rope, institute
The top of the other end and described impact pouring weight of stating rope is connected.
Bump assay device under the influence of simulation tectonic stress the most according to claim 5, it is characterised in that: described horse
Reaching and be equipped with motor base, described motor drive shaft is equipped with motor drive shaft and supports seat, and described rope is made up of Steel material.
7., according to bump assay device under the influence of the simulation tectonic stress described in any one of claim 1-6, its feature exists
In: described test specimen box and upper and lower loading unit, the load bar joint place in left and right loading unit and forward and backward loading unit is all provided with
It is equipped with loading cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687710.0U CN205826259U (en) | 2016-07-01 | 2016-07-01 | Bump assay device under the influence of simulation tectonic stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687710.0U CN205826259U (en) | 2016-07-01 | 2016-07-01 | Bump assay device under the influence of simulation tectonic stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826259U true CN205826259U (en) | 2016-12-21 |
Family
ID=57566474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620687710.0U Expired - Fee Related CN205826259U (en) | 2016-07-01 | 2016-07-01 | Bump assay device under the influence of simulation tectonic stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813976A (en) * | 2017-01-16 | 2017-06-09 | 中国矿业大学 | A kind of standard coal rock sample product fracturing process seismoelectric magnetic effect synchronous monitoring device and method |
-
2016
- 2016-07-01 CN CN201620687710.0U patent/CN205826259U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813976A (en) * | 2017-01-16 | 2017-06-09 | 中国矿业大学 | A kind of standard coal rock sample product fracturing process seismoelectric magnetic effect synchronous monitoring device and method |
| CN106813976B (en) * | 2017-01-16 | 2019-05-14 | 中国矿业大学 | A kind of standard coal rock sample product fracturing process seismoelectric magnetic effect synchronous monitoring device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106017842B (en) | Tectonic stress influences lower bolt and is hit crash simulation experimental rig | |
| CN103471942B (en) | Uniaxial impact ground pressure simulation test system and application method of impact ground pressure uniaxial simulation test system | |
| US11359999B2 (en) | Experimental platform and experimental method for simulating coal rock disaster of coal mine stope | |
| CN104390859B (en) | Three-dimensional rigidly loads bump true triaxial simulation test device | |
| CN106769484B (en) | Two to static and impact dynamically load Roadway model experimental provision and experimental method | |
| CN204405454U (en) | Rock burst true triaxial simulation test device | |
| CN103471914B (en) | Rock burst true triaxial simulation experiment system | |
| CN103471941B (en) | Anchor rod shock resistance simulation test system | |
| WO2020098290A1 (en) | Dynamic and static multifunctional test servo loading system | |
| CN206467556U (en) | A kind of spring-rubber damping device with multistage function of seismic resistance | |
| CN106501014A (en) | Vertical load testing machine for domain tunnel structure | |
| CN108318663B (en) | Test device for simulating tunnel to pass through fault fracture zone | |
| CN106053234B (en) | A kind of railway tunnel bottom structural dynamic test device and test method | |
| CN112595481B (en) | Roadway energy-absorbing support analog simulation experiment device | |
| CN205826259U (en) | Bump assay device under the influence of simulation tectonic stress | |
| CN105606472A (en) | Anchor rod impact test device and method thereof | |
| CN202188929U (en) | Prestressed anchor bolt device used in similitude simulation experiment | |
| CN108398330A (en) | Ore pillar support system dynamic load stability test system and test method | |
| CN106017843B (en) | Bump experimental rig under the influence of simulation tectonic stress | |
| CN108316732B (en) | A kind of T shape H profile steel prestressing force Self-resetting friction damped braced | |
| CN107784917A (en) | A kind of apparatus for demonstrating of simulant building thing shock insulation | |
| CN103471801B (en) | Deep-buried tunnel rock burst simulation test system and testing method thereof | |
| CN211603171U (en) | Test device for simulating movable fault to research on tunnel damage mechanism | |
| CN205826260U (en) | Under the influence of tectonic stress, anchor pole is hit crash simulation assay device | |
| CN202141635U (en) | Conversion device capable of realizing landing tensile impact test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20180701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |