CN114594001A - Auxiliary assembly and experiment appearance for anchor rod drawing experiment - Google Patents

Auxiliary assembly and experiment appearance for anchor rod drawing experiment Download PDF

Info

Publication number
CN114594001A
CN114594001A CN202210496306.5A CN202210496306A CN114594001A CN 114594001 A CN114594001 A CN 114594001A CN 202210496306 A CN202210496306 A CN 202210496306A CN 114594001 A CN114594001 A CN 114594001A
Authority
CN
China
Prior art keywords
anchor rod
bearing
experiment
bearing box
box
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.)
Pending
Application number
CN202210496306.5A
Other languages
Chinese (zh)
Inventor
陈清运
曾顺洪
董宏涛
魏敬芮
张海建
唐斌
向柳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Institute of Technology
Original Assignee
Wuhan Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Institute of Technology filed Critical Wuhan Institute of Technology
Priority to CN202210496306.5A priority Critical patent/CN114594001A/en
Publication of CN114594001A publication Critical patent/CN114594001A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0003Steady
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0017Tensile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/005Electromagnetic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0266Cylindrical specimens
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/067Parameter measured for estimating the property
    • G01N2203/0676Force, weight, load, energy, speed or acceleration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/067Parameter measured for estimating the property
    • G01N2203/0682Spatial dimension, e.g. length, area, angle
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The invention relates to auxiliary equipment and an experimental instrument for an anchor rod drawing experiment. The anchor rod clamping device has the advantages of being simple in structure and reasonable in design, and can realize quick clamping of the anchor rod, so that a drawing experiment of the anchor rod is completed quickly, the performance of the anchor rod is detected well, and the problem that the anchor rod cannot be combined with a tensile machine in an indoor experiment is solved effectively.

Description

Auxiliary assembly and experimental instrument for anchor rod drawing experiment
Technical Field
The invention relates to the technical field of drawing equipment, in particular to auxiliary equipment for an anchor rod drawing experiment and an experimental instrument.
Background
The anchor rod drawing experiment instrument is mainly used for detecting the anchoring force of anchor rods such as various anchor rods and reinforcing steel bars. The anchor rod drawing instrument consists of a hand pump, a hydraulic cylinder, an intelligent digital display pressure gauge, a high-pressure oil pipe with a quick connector, an anchorage device and a portable box.
The anchor rod drawing instrument seen and used in the existing market is mainly used for on-site anchor rod detection, and an anchor rod is anchored in a rock body and is reserved with a certain length during detection. When the indoor anchor rod is drawn and detected, the multipurpose concrete simulates a rock mass, and the anchor rod is embedded in the concrete to form the anchor rod. The anchor rod needs to be made large enough by adopting the on-site anchor rod drawing instrument, and a large amount of manpower, material resources and financial resources are consumed; the anchor rod anchoring performance detection by using the tensile machine is simple, efficient and accurate, and the only defect is that the connection between the upper jaw and the lower jaw of the tensile machine and the anchor rod is always a difficult problem troubling researchers.
Disclosure of Invention
The invention aims to solve the technical problem of providing auxiliary equipment for an anchor rod drawing experiment and an experimental instrument, and aims to solve the problems in the prior art.
The technical scheme for solving the technical problems is as follows:
the utility model provides an auxiliary assembly for experiment is drawn to stock, is including bearing the box, one side of bearing the box is uncovered, and its one end fixed mounting has to hold and draws the piece, and its other end is equipped with the through-hole that runs through inside and outside.
The invention has the beneficial effects that: during the experiment, artifical manual stock that will wait to draw is put into and is born the weight of the box for the reinforcing bar of stock one end passes the through-hole, and convenient quick fixed stock is so that draw the experiment appearance and draw the experiment. The anchor rod clamping device is simple in structure and reasonable in design, can realize quick clamping of the anchor rod, can quickly finish the drawing experiment of the anchor rod, further has a good effect of detecting the performance of the anchor rod, and effectively solves the problem that the anchor rod cannot be combined with a tensile machine in an indoor experiment.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the bearing and pulling piece comprises at least one bearing and pulling plate, and the bearing and pulling plate is fixedly arranged at one end of the bearing box.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design draws the fixed pincers of experiment appearance and can press from both sides tight holding plate during the experiment to accomplish the quick fixed of stock, so that accomplish the experiment of drawing of stock.
Furthermore, hold and draw the piece including two hold the arm-tie, two hold the one end of arm-tie respectively with the one end fixed connection who bears the weight of the box, the other end is pressed close to each other.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design strengthens the bearing capacity of bearing the piece, prolongs its life, reduce cost.
Furthermore, each bearing and pulling plate is an L-shaped plate and is formed by splicing a first plate and a second plate which are vertically distributed, and the first plate is fixedly installed at one end of the bearing box and is parallel to one end of the bearing box.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design both conveniently realize the fixed connection of loading board and bearing box tip, conveniently draw the fixed pincers on the experiment appearance again and press from both sides tight bearing and drawing board, and the clamping is convenient.
Further, one end of the bearing box is fixedly provided with a first reinforcing plate, the first reinforcing plate is provided with an avoidance hole for avoiding the bearing piece, and the bearing piece penetrates through the avoidance hole and then is fixedly connected with one end of the bearing box.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design can strengthen the intensity of bearing box one end through reinforcing plate one to bear bigger pulling force, prolong the life who bears the box, reduce cost.
Furthermore, two sides of the first reinforcing plate are respectively bent and respectively attached to two sides of one end of the bearing box, and the bent parts of the first reinforcing plate, which correspond to two sides of the open side of the bearing box, are respectively arc-shaped.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design both can strengthen the intensity that bears box one end, neat pleasing to the eye again.
Furthermore, a second reinforcing plate is fixedly mounted at the other end of the bearing box, and a round hole communicated with the through hole is formed in the second reinforcing plate.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design can strengthen the intensity of bearing the box other end through reinforcing plate two to bear bigger pulling force, the life that the extension bore the box, reduce cost.
The invention also relates to an anchor rod drawing experiment instrument which comprises an experiment table, wherein fixed pincers are erected on the experiment table, movable pincers are installed on the experiment table and can move up and down and can be positioned, and the movable pincers are positioned below the fixed pincers; the auxiliary equipment is further included, the bearing box is vertically installed between the fixed pincers and the movable pincers, and the fixed pincers clamp the bearing piece; the anchor rod that bears in the bearing box is internal fixed mounting to have the reinforcing bar, the one end of reinforcing bar extends to outside the one end of anchor rod, movable clamp cliies the one end of reinforcing bar.
The anchor rod drawing device has the beneficial effects that during experiments, firstly, the anchor rod to be drawn is manually placed into the bearing box, so that the steel bar at one end of the anchor rod penetrates through the through hole; then, the bearing box is arranged between the fixed pincers and the movable pincers, the fixed pincers clamp the bearing and pulling piece, and meanwhile, the movable pincers clamp the reinforcing steel bars on the anchor rod; and finally, drawing the experiment instrument by moving the movable pliers downwards and drawing the anchor rod through the steel bar.
Further, a support is fixedly mounted on the experiment table, an adjusting cylinder is fixedly mounted at the top of the support, and the telescopic end of the adjusting cylinder vertically stretches downwards and is fixedly connected with the fixed clamp.
The bearing box has the advantages that the bearing box is simple in structure and reasonable in design, the position of the fixed clamp can be adjusted through the adjusting cylinder, the bearing box is convenient to disassemble and assemble, and the bearing box is convenient to disassemble and assemble.
Further, a driving assembly is fixedly mounted on the experiment table, and the driving assembly is in transmission connection with the movable pliers and used for driving the movable pliers to move up and down.
The anchor rod drawing device has the beneficial effects that during experiments, firstly, the anchor rod to be drawn is manually placed into the bearing box, so that the steel bar at one end of the anchor rod penetrates through the through hole; then, the bearing box is arranged between the fixed pincers and the movable pincers, the fixed pincers clamp the bearing and pulling piece, and meanwhile, the movable pincers clamp the reinforcing steel bars on the anchor rod; and finally, driving the movable clamp to move downwards through the driving assembly and drawing the anchor rod through the steel bar to finish the drawing experiment of the drawing experiment instrument.
Drawings
FIG. 1 is a top view of a carrying case according to the present invention;
FIG. 2 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 3 is a left side view of the carrying case of the present invention;
FIG. 4 is a right side view of the carrying case of the present invention;
FIG. 5 is a schematic view of the structure of the experimental apparatus of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a carrying box; 2. a through hole; 3. a bearing and pulling plate; 4. a first reinforcing plate; 5. avoiding holes; 6. a second reinforcing plate; 7. a circular hole; 8. a laboratory bench; 9. fixing the pliers; 10. movable pliers; 11. an anchor rod; 12. a support; 13. adjusting the air cylinder; 14. and (4) supporting the base.
Detailed Description
The principles and features of this invention are described in connection with the drawings and the detailed description of the invention, which are set forth below as examples to illustrate the invention and not to limit the scope of the invention.
Example 1
As shown in fig. 1 to 5, the present embodiment provides an auxiliary device for an anchor rod drawing experiment, including bearing box 1, one side of bearing box 1 is uncovered, and its one end fixed mounting has a bearing piece, and its other end is equipped with inside and outside through-hole 2 that runs through.
During the experiment, the manual work is manual to be treated the stock 11 of drawing and is put into and bear box 1 for the reinforcing bar of 11 one ends of stock passes through-hole 2, convenient quick fixed stock 11, so that draw the experiment appearance and draw the experiment.
Preferably, in the present embodiment, the carrying box 1 is preferably a rectangular box body, and has a regular shape.
This embodiment simple structure, reasonable in design can realize the quick clamping of stock 11 to accomplish the experiment of drawing of stock 11 fast, and then the fine effect that detects 11 performances of stock, stock 11 can't be with the difficult problem of pulling force machine combined action when effectively solving the indoor experiment.
Example 2
On the basis of embodiment 1, in this embodiment, the tensile member includes at least one tensile plate 3, and the tensile plate 3 is fixedly installed at one end of the carrying box 1.
This scheme simple structure, reasonable in design, the fixed pincers of drawing the experiment appearance during the experiment can press from both sides tight holding plate 3 to accomplish the quick fixed of stock 11, so that accomplish the experiment of drawing of stock 11.
Besides the above embodiments, the tensile member may also be a tensile rod or a tensile block.
Example 3
On the basis of embodiment 2, in this embodiment, hold and draw the piece and include two and hold arm-tie 3, two hold arm-tie 3's one end respectively with bear one end fixed connection of box 1, the other end is close to each other.
This simple structure, reasonable in design strengthens the bearing capacity who holds the piece of drawing, prolongs its life, reduce cost.
Besides the above embodiments, the tensile plate 3 may also be a flat plate, which is disposed perpendicular to one end of the carrying box 1, and one end of the flat plate is fixedly connected to one end of the carrying box 1.
Example 4
On the basis of any one of embodiments 2 to 3, in this embodiment, each of the tensile plates 3 is an L-shaped plate, and is formed by splicing a first plate and a second plate which are vertically distributed, and the first plate is fixedly installed on one end of the carrying box 1 and is parallel to one end of the carrying box 1.
This scheme simple structure, reasonable in design both conveniently realizes bearing arm-tie 3 and the fixed connection who bears 1 tip of box, conveniently draws fixed pincers 9 on the experiment appearance again and presss from both sides tightly bearing arm-tie 3, and the clamping is convenient.
Preferably, in the embodiment, two plates of the two carrying plates 3 are relatively and fixedly installed on one end of the carrying box 1, and the two plates are parallel to each other and attached to each other. In the experiment, the two second plates are clamped by the fixing clamp 9.
When the number of the bearing pull plates 3 is two, the two bearing pull plates 3 are distributed in parallel and attached, and one end of each bearing pull plate 3 is fixedly connected with one end of the bearing box 1.
Example 5
On the basis of the above embodiments, in this embodiment, one end of the bearing box 1 is fixedly provided with a first reinforcing plate 4, the first reinforcing plate 4 is provided with an avoiding hole 5 for avoiding the bearing and pulling member, and the bearing and pulling member penetrates through the avoiding hole 5 and then is fixedly connected with one end of the bearing box 1.
This scheme simple structure, reasonable in design can strengthen the intensity of bearing box 1 one end through reinforcing plate 4 to bear bigger pulling force, the extension bears box 1's life, reduce cost.
Preferably, in this embodiment, the first reinforcing plate 4 may be a flat plate, which is directly and fixedly mounted on one end of the carrying box 1; the first reinforcing plate 4 can also be a bent plate, namely the first reinforcing plate 4 is fixedly installed at one end of the bearing box 1, two ends of the first reinforcing plate are respectively bent and attached to two sides of one end of the bearing box 1, and one side of the first reinforcing plate is bent towards the opening side of the bearing box 1.
Example 6
On the basis of the embodiment 5, in this embodiment, two sides of the first reinforcing plate 4 are respectively bent and attached to two sides of one end of the carrying box 1, and the bent portions of the first reinforcing plate 4 corresponding to two sides of the open side of the carrying box 1 are respectively arc-shaped, that is, two sides of one side of the first reinforcing plate 4 bent toward the open side of the carrying box 1 are arc-shaped.
This scheme simple structure, reasonable in design both can strengthen the intensity that bears 1 one end of box, neat pleasing to the eye again.
The bent parts of the first 4 reinforcing plates corresponding to the two sides of the open side of the bearing box 1 are respectively arc-shaped, and the bent parts have the advantages that: this kind of design both can conveniently put into anchor rod 11 and bear box 1 in, conveniently take out anchor rod 11 that the experiment was accomplished again from bearing box 1, and to a certain extent carry on spacingly to bearing anchor rod 11 in the box 1, increase anchor rod 11's stability to a certain extent.
Example 7
On the basis of the above embodiments, in this embodiment, the second reinforcing plate 6 is fixedly mounted on the other end of the carrying box 1, and the second reinforcing plate 6 is provided with a circular hole 7 communicated with the through hole 2.
This scheme simple structure, reasonable in design can strengthen the intensity of bearing the box 1 other end through reinforcing plate two 6 to bear bigger pulling force, the extension bears the life of box 1, reduce cost.
Preferably, in this embodiment, the second reinforcing plate 6 may be a flat plate, which is directly and fixedly mounted on the other end of the carrying box 1; the second reinforcing plate 6 can also be a bent plate, namely the second reinforcing plate 6 is fixedly installed at the other end of the bearing box 1, two ends of the second reinforcing plate are respectively bent and attached to two sides of the other end of the bearing box 1, and one side of the second reinforcing plate is bent towards the opening side of the bearing box 1.
Example 8
On the basis of the above embodiments, the present embodiment further provides an anchor rod drawing experiment instrument, which includes an experiment table 8, wherein a fixed clamp 9 is erected on the experiment table 8, a movable clamp 10 is installed on the experiment table 8 and can move up and down and be positioned, and the movable clamp 10 is located below the fixed clamp 9; the bearing box 1 is vertically arranged between a fixed clamp 9 and a movable clamp 10, and the fixed clamp 9 clamps a bearing part; the anchor rod 11 that bears in the bearing box 1 is internal fixed mounting to have the reinforcing bar, and the reinforcing bar extends along the axial of anchor rod 11, and outside its one end extended to the one end of anchor rod 11, the one end of reinforcing bar was cliied to activity pincers 10.
During the experiment, firstly, manually putting the anchor rod 11 to be drawn into the bearing box 1, so that the steel bar at one end of the anchor rod 11 passes through the through hole 2; then, the bearing box 1 is placed between the fixed pincers 9 and the movable pincers 10, the fixed pincers 9 clamp the bearing piece, and meanwhile, the movable pincers 10 clamp the reinforcing steel bars on the anchor rod 11; finally, the pulling experiment of the pulling experiment instrument is completed by moving the movable jaw 10 downward and pulling the anchor rod 11 through the reinforcing steel bar.
It should be noted that the fixed jaw 9 and the movable jaw 10 can be opened or closed, and the specific structure thereof is referred to as an upper jaw and a lower jaw on a drawing tester in the prior art.
Example 9
On the basis of embodiment 8, in this embodiment, a support 12 is fixedly mounted on the experiment table 8, an adjusting cylinder 13 is fixedly mounted at the top of the support 12, and a telescopic end of the adjusting cylinder 13 extends vertically downwards and is fixedly connected with the fixed clamp 9.
This scheme simple structure, reasonable in design, through the position of the adjustable fixed pincers 9 of adjusting cylinder 13, make things convenient for the dismouting to bear box, easy dismounting.
Preferably, in this embodiment, the support 12 is preferably a gantry, and two sides of an open end of the gantry are respectively and fixedly connected with the experiment table 8.
If the fixed pincers 9 are fixedly arranged, the space between the fixed pincers 9 and the movable pincers 10 is limited, the bearing box 1 is inconvenient to disassemble and assemble, and the operation is inconvenient; after the adjusting cylinder 13 is arranged, before the bearing box 1 is installed, the adjusting cylinder 13 can drive the fixed clamp 9 to move so that the fixed clamp 9 is far away from the movable clamp 10, and therefore the space between the fixed clamp 9 and the movable clamp 10 is large enough to install the bearing box 1.
Example 10
On the basis of any one of embodiments 8 to 9, in this embodiment, a driving assembly is fixedly mounted on the experiment table 8, and the driving assembly is in transmission connection with the movable clamp 10 and is used for driving the movable clamp 10 to move up and down.
During the experiment, firstly, manually putting the anchor rod 11 to be drawn into the bearing box 1, so that the steel bar at one end of the anchor rod 11 passes through the through hole 2; then, the bearing box 1 is placed between the fixed pincers 9 and the movable pincers 10, the fixed pincers 9 clamp the bearing piece, and meanwhile, the movable pincers 10 clamp the reinforcing steel bars on the anchor rod 11; and finally, driving the movable pliers 10 to move downwards through the driving assembly and drawing the anchor rod 11 through the steel bar to finish the drawing experiment of the drawing experiment instrument.
Preferably, in this embodiment, the driving assembly may adopt two sets of screw assemblies, each set of screw assembly includes a motor and a screw rod; the two sides of the portal frame are oppositely provided with sliding chutes, the two screw rods are respectively vertically arranged in the two sliding chutes and can respectively rotate around the axial direction of the screw rods, nuts are respectively sleeved on the screw rods, a supporting seat 14 is arranged in the portal frame, two ends of the supporting seat 14 are respectively fixedly connected with the two nuts, and the movable clamp 10 is fixedly arranged on the supporting seat 14; the two motors are respectively and fixedly installed at one ends of the two sliding grooves, and the driving ends of the two motors respectively extend along the axial direction of the two screw rods and are respectively and fixedly connected with one ends of the two screw rods. During the use, two motors drive two lead screws respectively and rotate, and two nuts utilize its threaded connection with two screw rods respectively in order to reciprocate along two lead screws to drive supporting seat 14 and activity pincers 10 and reciprocate, thereby draw the reinforcing bar on the stock 11, accomplish the experiment of drawing of stock 11.
Besides the above embodiment, the above driving assembly may further adopt a drawing cylinder, the drawing cylinder is fixedly mounted on the experiment table 8, and is located below the supporting seat 14, and the telescopic end of the drawing cylinder extends vertically upwards and is fixedly connected with the supporting seat 14. During the experiment, draw the cylinder and stretch and drive supporting seat 14 and activity pincers 10 and reciprocate to draw the reinforcing bar on the stock 11, accomplish the experiment of drawing of stock 11.
In the invention, the anchor rod 11 is in a columnar structure, a reinforcing steel bar is fixedly arranged at the inner central line of the anchor rod, and one end of the reinforcing steel bar extends out of the anchor rod 11; the central line in the anchor rod 11 is fixedly provided with a first three displacement sensors at even intervals along the axial direction, the first three displacement sensors are respectively connected with the controller through circuits, and the bearing box 1 is provided with a round hole for the circuits to pass through. When the device is used, the three displacement sensors are respectively used for measuring the axial displacement of the anchor rod 11 and sending corresponding displacement signals to the controller, and the controller calculates the axial force of the anchor rod 11 and the interface shear stress of the anchor rod 11 according to a calculation formula prestored in the system.
In addition, the surface of the anchor rod 11 is uniformly and fixedly provided with three second displacement sensors at intervals along the axial direction, the three second displacement sensors are respectively connected with the controller through circuits, and the bearing box 1 is provided with a round hole for the circuits to pass through. When the device is used, the three displacement sensors are respectively used for measuring the radial displacement of the anchor rod 11 and sending corresponding displacement signals to the controller, and the controller calculates the axial force and the shear stress applied to the anchor rod 11 according to a calculation formula prestored in the system.
And, still interval fixed mounting has a plurality of acoustic emission probes on the stock 11, and a plurality of acoustic emission probes are connected with the controller through the circuit respectively for measure the stock damage failure mechanism of drawing in-process, and bear and be equipped with the round hole that supplies above-mentioned circuit to pass on the box 1.
The working principle of the invention is as follows:
firstly, manually placing an anchor rod 11 to be drawn into a bearing box 1, so that a steel bar at one end of the anchor rod 11 penetrates through a through hole 2;
then, the bearing box 1 is placed between the fixed pincers 9 and the movable pincers 10, the fixed pincers 9 clamp the bearing piece, and meanwhile, the movable pincers 10 clamp the reinforcing steel bars on the anchor rod 11;
finally, two motors drive two lead screws respectively and rotate, and two nuts utilize its threaded connection with two lead screws respectively in order to reciprocate along two lead screws to drive supporting seat 14 and activity pincers 10 and reciprocate, thereby draw the reinforcing bar on stock 11, accomplish the experiment of drawing of stock 11.
It should be noted that, the electronic components according to the present invention are all conventionally known, and the above-mentioned components are electrically connected to a controller (model TC-SCR), and a control circuit between the controller and each component is conventionally known.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an auxiliary assembly for experiment is drawn to stock which characterized in that: the bearing box comprises a bearing box (1), wherein one side of the bearing box (1) is open, a bearing part is fixedly installed at one end of the bearing box, and a through hole (2) which penetrates through the bearing box from inside to outside is formed in the other end of the bearing box.
2. The auxiliary device for the anchor rod drawing experiment of claim 1, wherein: the bearing and pulling piece comprises at least one bearing and pulling plate (3), and the bearing and pulling plate (3) is fixedly arranged at one end of the bearing box (1).
3. The auxiliary device for the anchor rod drawing experiment of claim 2, wherein: the bearing and pulling piece comprises two bearing and pulling plates (3), one end of each bearing and pulling plate (3) is fixedly connected with one end of the bearing box (1), and the other ends of the bearing and pulling plates are close to each other.
4. The auxiliary device for the anchor rod drawing experiment of claim 2, wherein: each bearing and pulling plate (3) is an L-shaped plate and is formed by splicing a first plate and a second plate which are vertically distributed, and the first plate is fixedly installed at one end of the bearing box (1) and is parallel to one end of the bearing box (1).
5. The auxiliary device for the anchor rod drawing experiment according to any one of claims 1 to 4, wherein: one of bearing box (1) serves fixed mounting have reinforcing plate (4), be equipped with on reinforcing plate (4) and dodge hold and draw hole (5) of dodging of piece, hold and draw the piece and pass after dodging hole (5) with bear the one end fixed connection of box (1).
6. The auxiliary device for the anchor rod drawing experiment of claim 5, wherein: the two sides of the first reinforcing plate (4) are respectively bent and are respectively attached to the two sides of one end of the bearing box (1), and the bent parts of the first reinforcing plate (4) corresponding to the two sides of the open side of the bearing box (1) are respectively arc-shaped.
7. The auxiliary device for the anchor rod drawing experiment according to any one of claims 1 to 4, wherein: a second reinforcing plate (6) is fixedly mounted at the other end of the bearing box (1), and a round hole (7) communicated with the through hole (2) is formed in the second reinforcing plate (6).
8. An anchor rod drawing experiment instrument comprises an experiment table (8), wherein fixed pliers (9) are erected on the experiment table (8), movable pliers (10) are arranged on the experiment table (8) and can move up and down and be positioned, and the movable pliers (10) are located below the fixed pliers (9); the method is characterized in that: the auxiliary device of any of claims 1 to 7, wherein the carrying box (1) is vertically mounted between the fixed jaw (9) and the movable jaw (10), and the fixed jaw (9) clamps the tensile member; the anchor rod (11) that bears in the bearing box (1) is internal fixed mounting has the reinforcing bar, the one end of reinforcing bar extends to outside the one end of anchor rod (11), activity pincers (10) are carried the one end of reinforcing bar.
9. The anchor rod drawing experiment instrument according to claim 8, wherein: the experiment table (8) is fixedly provided with a support (12), the top of the support (12) is fixedly provided with an adjusting cylinder (13), and the telescopic end of the adjusting cylinder (13) vertically stretches downwards and is fixedly connected with the fixed clamp (9).
10. The anchor rod drawing experiment instrument according to claim 8, wherein: and a driving assembly is fixedly mounted on the experiment table (8), and the driving assembly is in transmission connection with the movable pliers (10) and is used for driving the movable pliers (10) to move up and down.
CN202210496306.5A 2022-05-09 2022-05-09 Auxiliary assembly and experiment appearance for anchor rod drawing experiment Pending CN114594001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210496306.5A CN114594001A (en) 2022-05-09 2022-05-09 Auxiliary assembly and experiment appearance for anchor rod drawing experiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210496306.5A CN114594001A (en) 2022-05-09 2022-05-09 Auxiliary assembly and experiment appearance for anchor rod drawing experiment

Publications (1)

Publication Number Publication Date
CN114594001A true CN114594001A (en) 2022-06-07

Family

ID=81811998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210496306.5A Pending CN114594001A (en) 2022-05-09 2022-05-09 Auxiliary assembly and experiment appearance for anchor rod drawing experiment

Country Status (1)

Country Link
CN (1) CN114594001A (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001050877A (en) * 1999-08-09 2001-02-23 Nippon Fuasutemu Kk Inspection tool for tensile yield strength of anchor bolt in earthquake-resistant construction
CN104819933A (en) * 2015-05-20 2015-08-05 河海大学 Static and dynamic bonding-slipping whole-process curve testing apparatus and testing method thereof
CN105300718A (en) * 2015-11-09 2016-02-03 山东科技大学 Anchoring structure pullout test device and test method
CN105675395A (en) * 2016-02-01 2016-06-15 山东科技大学 Testing system for interfacial stress transmission mechanism of soil anchorage body and testing method
US20160202232A1 (en) * 2015-01-12 2016-07-14 University Of Dammam Pullout apparatus and system for testing of anchor bolts/bars
CN105784483A (en) * 2016-03-31 2016-07-20 江苏省地质调查研究院 Pull-out test device and measuring calibration method for measuring bonding strength of micro-diameter material reinforced soil
CN105784590A (en) * 2016-04-22 2016-07-20 华北水利水电大学 Method and device for testing bonding strength of anchoring interface of anchoring system
CN108303369A (en) * 2018-01-11 2018-07-20 山东科技大学 Halfbody anchor structure stress and deformation field synchronous test system and test method
CN110286029A (en) * 2019-07-24 2019-09-27 西南交通大学 A kind of anchor rod drawing experimental provision and system
CN110646343A (en) * 2019-09-03 2020-01-03 山东大学 Confining pressure adjustable anchor rod test piece uplift resistance test device and method
CN110987626A (en) * 2019-12-27 2020-04-10 山东科技大学 Anchor rod drawing test device and method considering tray influence
CN210513907U (en) * 2019-07-24 2020-05-12 甘肃长达路业有限责任公司 Anchor rod drawing experiment device and system
CN211927660U (en) * 2020-04-10 2020-11-13 青岛理工大学 Center drawing device for simultaneously measuring bonding strength and sliding distance
JP2021096113A (en) * 2019-12-16 2021-06-24 中日本ハイウェイ・エンジニアリング東京株式会社 Anchor inspection method
CN214121861U (en) * 2020-12-03 2021-09-03 东华理工大学 Experimental mold box of atress performance is drawn to stock
JP2021148544A (en) * 2020-03-18 2021-09-27 株式会社電業社機械製作所 Pull-out testing machine and pull-out testing method

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001050877A (en) * 1999-08-09 2001-02-23 Nippon Fuasutemu Kk Inspection tool for tensile yield strength of anchor bolt in earthquake-resistant construction
US20160202232A1 (en) * 2015-01-12 2016-07-14 University Of Dammam Pullout apparatus and system for testing of anchor bolts/bars
CN104819933A (en) * 2015-05-20 2015-08-05 河海大学 Static and dynamic bonding-slipping whole-process curve testing apparatus and testing method thereof
CN105300718A (en) * 2015-11-09 2016-02-03 山东科技大学 Anchoring structure pullout test device and test method
CN105675395A (en) * 2016-02-01 2016-06-15 山东科技大学 Testing system for interfacial stress transmission mechanism of soil anchorage body and testing method
CN105784483A (en) * 2016-03-31 2016-07-20 江苏省地质调查研究院 Pull-out test device and measuring calibration method for measuring bonding strength of micro-diameter material reinforced soil
CN105784590A (en) * 2016-04-22 2016-07-20 华北水利水电大学 Method and device for testing bonding strength of anchoring interface of anchoring system
CN108303369A (en) * 2018-01-11 2018-07-20 山东科技大学 Halfbody anchor structure stress and deformation field synchronous test system and test method
CN110286029A (en) * 2019-07-24 2019-09-27 西南交通大学 A kind of anchor rod drawing experimental provision and system
CN210513907U (en) * 2019-07-24 2020-05-12 甘肃长达路业有限责任公司 Anchor rod drawing experiment device and system
CN110646343A (en) * 2019-09-03 2020-01-03 山东大学 Confining pressure adjustable anchor rod test piece uplift resistance test device and method
JP2021096113A (en) * 2019-12-16 2021-06-24 中日本ハイウェイ・エンジニアリング東京株式会社 Anchor inspection method
CN110987626A (en) * 2019-12-27 2020-04-10 山东科技大学 Anchor rod drawing test device and method considering tray influence
JP2021148544A (en) * 2020-03-18 2021-09-27 株式会社電業社機械製作所 Pull-out testing machine and pull-out testing method
CN211927660U (en) * 2020-04-10 2020-11-13 青岛理工大学 Center drawing device for simultaneously measuring bonding strength and sliding distance
CN214121861U (en) * 2020-12-03 2021-09-03 东华理工大学 Experimental mold box of atress performance is drawn to stock

Similar Documents

Publication Publication Date Title
WO2013143149A1 (en) Large deformation tensile testing system
CN109186994A (en) A kind of charging interface plug and pull out detector
CN205643017U (en) A tensile testing machine for testing metal wire tensile strength
CN110231229B (en) Comprehensive test device for clamping and twisting pliers and shearing pliers
CN215985547U (en) Fastening detection device for steel structure engineering
CN114594001A (en) Auxiliary assembly and experiment appearance for anchor rod drawing experiment
CN210982030U (en) Cold casting material extrusion elasticity modulus test tool
CN219455742U (en) Electrician sleeve pipe compression testing machine
CN210238591U (en) Bending resistance test device of precast pile
CN209085910U (en) A kind of charging interface plug and pull out detector
CN216748042U (en) Magnetic base adsorption capacity detection device
CN206057104U (en) A kind of bolt torque test device
CN215574362U (en) Auxiliary device for repeated bending test of reinforcing steel bar
CN214066739U (en) Tower crane rope strength detection device
CN220912828U (en) Bending test tool convenient for fixing reinforcing steel bars
CN220367088U (en) Nodular cast iron performance test detection device
CN214226262U (en) Structural mechanics teaching aid
CN220690692U (en) Universal testing machine capable of adjusting experimental space
CN219562778U (en) Fixing mechanism
CN220650336U (en) Bending strength detection device
CN220136836U (en) Screw pulling force test fixture
CN220542680U (en) Cement flexural strength measuring equipment
CN215573773U (en) A mounting bracket for automobile engine check out test set
CN218098654U (en) Workpiece detection device
CN218880972U (en) Foundation bearing capacity detection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20220607