CN112816318A - A hoist device that is used for real triaxial test machine pressure chamber to go up and down fast - Google Patents
A hoist device that is used for real triaxial test machine pressure chamber to go up and down fast Download PDFInfo
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- CN112816318A CN112816318A CN202110200565.4A CN202110200565A CN112816318A CN 112816318 A CN112816318 A CN 112816318A CN 202110200565 A CN202110200565 A CN 202110200565A CN 112816318 A CN112816318 A CN 112816318A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0256—Triaxial, i.e. the forces being applied along three normal axes of the specimen
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A hoisting device for rapid lifting of a pressure chamber of a true triaxial testing machine is characterized in that two upright posts are vertically and fixedly arranged at the top of a base, and the top ends of the two upright posts are fixedly connected by a cross beam; the lifting hydraulic cylinder is vertically and fixedly arranged at the top of the base, a piston rod is arranged upwards, and the lifting hydraulic cylinder is positioned in the middle of the two upright posts; the lifting beam is horizontally and fixedly arranged at the top end of a piston rod of the lifting hydraulic cylinder, one end of the lifting beam is connected with the first upright post through a first lifting guide assembly, and the other end of the lifting beam is connected with the second upright post through a second lifting guide assembly; the first lifting support arm is arranged on the first lifting guide component and synchronously follows the lifting beam; the second lifting support arm is arranged on the second lifting guide component and synchronously follows the lifting beam; the pressure chamber is respectively provided with a first support arm inserting lifting lug and a second support arm inserting lifting lug, and the positions of the two support arm inserting lifting lugs and the positions of the two lifting support arms are in one-to-one correspondence; the first lifting support arm is in plug-in fit with the first support arm plug-in lifting lug, and the second lifting support arm is in plug-in fit with the second support arm plug-in lifting lug.
Description
Technical Field
The invention belongs to the technical field of rock mechanics tests, and particularly relates to a hoisting device for rapid lifting of a pressure chamber of a true triaxial testing machine.
Background
At present, in the existing true triaxial testing machine, for a pressure chamber adopting an up-and-down opening type structure, the lifting operation of the pressure chamber needs to be matched in the sample dismounting process, and the lifting of the pressure chamber needs to be completed by a lifting device.
However, the existing hoisting device for rapidly lifting the pressure chamber generally has the following problems: firstly, the pressure chamber is connected through only one lifting pipe, the pressure chamber is easy to swing in the lifting process, so that the inner wall of the pressure chamber is easy to collide with a rock sample assembly, the measuring accuracy of a sensor on the assembly is influenced slightly, and the rock sample assembly can be directly scrapped if the rock sample assembly is heavy; secondly, the weight of the pressure chamber can reach about one ton, and the hoisting pipe has the problem of fatigue deformation after long-term frequent lifting operation, so that the service life is short; and thirdly, the pressure chamber and the lifting pipe are connected through bolts, and the pressure chamber is required to be disassembled and assembled after the lifting operation is completed at every time, so that the labor and the trouble are wasted, and certain potential safety hazards exist.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the hoisting device for the rapid lifting of the pressure chamber of the true triaxial testing machine, the pressure chamber is butted in a double-support-arm mode, the swinging phenomenon in the lifting process of the pressure chamber is effectively avoided, the anti-fatigue deformation capacity can be effectively improved in the double-support-arm mode, the double support arms and the pressure chamber are connected in a rapid plug-in connection mode, the traditional bolt dismounting process is omitted, the connection efficiency is improved, and the potential safety hazard is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme: a hoisting device for rapid lifting of a pressure chamber of a true triaxial testing machine comprises a base, a first upright post, a second upright post, a cross beam, a lifting hydraulic cylinder, a lifting beam, a first lifting guide component, a second lifting guide component, a first lifting support arm and a second lifting support arm; the first upright post and the second upright post are vertically and fixedly arranged at the top of the base, and the top ends of the first upright post and the second upright post are fixedly connected through a cross beam; the lifting hydraulic cylinder is vertically and fixedly arranged at the top of the base, a piston rod is arranged upwards, and the lifting hydraulic cylinder is positioned in the middle of the first upright post and the second upright post; the lifting beam is horizontally and fixedly arranged at the top end of a piston rod of the lifting hydraulic cylinder, one end of the lifting beam is connected with the first upright post through a first lifting guide assembly, and the other end of the lifting beam is connected with the second upright post through a second lifting guide assembly; the first lifting support arm is arranged on the first lifting guide component, and the first lifting support arm and the lifting beam synchronously follow up; the second lifting support arm is arranged on the second lifting guide component and synchronously follows the lifting beam; the pressure chamber is respectively provided with a first support arm plugging lifting lug and a second support arm plugging lifting lug, and the positions of the first support arm plugging lifting lug and the second support arm plugging lifting lug correspond to the positions of the first lifting support arm and the second lifting support arm one to one; the first lifting support arm is in plug-in fit with the first support arm plug-in lifting lug, and the second lifting support arm is in plug-in fit with the second support arm plug-in lifting lug.
The first lifting guide assembly comprises a first U-shaped lifting seat, a first front side guide sliding rail, a first rear side guide sliding rail, a first front side sliding block group and a first rear side sliding block group; the first front side guide slide rail is vertically and fixedly arranged on the front surface of the first upright post, and the first rear side guide slide rail is vertically and fixedly arranged on the rear surface of the first upright post; the first U-shaped lifting seat is sleeved outside the first upright post, the opening end of the first U-shaped lifting seat faces the outside, and a first reinforcing rib plate group is fixedly connected to the opening end of the first U-shaped lifting seat; the first front side sliding block group is arranged on the first front side guide sliding rail and fixedly connected with the front end plate body of the first U-shaped lifting seat; the first rear side sliding block group is arranged on the first rear side guide sliding rail and fixedly connected with a rear end plate body of the first U-shaped lifting seat through a first gap adjusting base plate, and a first gap adjusting bolt group is arranged on the rear end plate body of the first U-shaped lifting seat; the first lifting support arm is horizontally arranged, and the root part of the first lifting support arm is fixedly connected to the outer surface of the front end plate body of the first U-shaped lifting seat; one end of the lifting beam is fixedly connected to the outer surface of the sealing end plate body of the first U-shaped lifting seat.
The second lifting guide assembly comprises a second U-shaped lifting seat, a second front side guide sliding rail, a second rear side guide sliding rail, a second front side sliding block group and a second rear side sliding block group; the second front side guide slide rail is vertically and fixedly arranged on the front surface of the second upright post, and the second rear side guide slide rail is vertically and fixedly arranged on the rear surface of the second upright post; the second U-shaped lifting seat is sleeved outside the second upright post, the opening end of the second U-shaped lifting seat faces the outside, and a second reinforcing rib plate group is fixedly connected to the opening end of the second U-shaped lifting seat; the second front side sliding block group is arranged on the second front side guide sliding rail and fixedly connected with the front end plate body of the second U-shaped lifting seat; the second rear side sliding block group is arranged on the second rear side guide sliding rail and fixedly connected with a rear end plate body of the second U-shaped lifting seat through a second gap adjusting base plate, and a second gap adjusting bolt group is arranged on the rear end plate body of the second U-shaped lifting seat; the second lifting support arm is horizontally arranged, and the root part of the second lifting support arm is fixedly connected to the outer surface of the front end plate body of the second U-shaped lifting seat; the other end of the lifting beam is fixedly connected to the outer surface of the sealing end plate body of the second U-shaped lifting seat.
The invention has the beneficial effects that:
the hoisting device for the rapid lifting of the pressure chamber of the true triaxial testing machine adopts the double-support-arm type butt joint of the pressure chambers, so that the swinging phenomenon in the lifting process of the pressure chambers is effectively avoided, the anti-fatigue deformation capability can be effectively improved in the double-support-arm type, and the double support arms and the pressure chambers adopt the rapid plug connection mode, so that the traditional bolt dismounting process is omitted, the connection efficiency is improved, and the potential safety hazard is reduced.
Drawings
FIG. 1 is a perspective view of a hoisting device for rapid lifting of a pressure chamber of a true triaxial testing machine according to the present invention;
FIG. 2 is a front view of the hoisting device for rapid lifting of the pressure chamber of the true triaxial testing machine according to the present invention;
FIG. 3 is a left side view of the hoisting device for rapid lifting of the pressure chamber of the true triaxial testing machine according to the present invention;
FIG. 4 is a rear view of the hoisting device for rapid lifting of the pressure chamber of the true triaxial testing machine according to the present invention;
in the figure, 1-base, 2-first column, 3-second column, 4-beam, 5-hydraulic cylinder, 6-lifting beam, 7-first lifting arm, 8-second lifting arm, 9-first U-shaped lifting seat, 10-first front side guide rail, 11-first rear side guide rail, 12-first front side slider group, 13-first rear side slider group, 14-first reinforcing rib plate group, 15-first gap adjusting cushion plate, 16-first gap adjusting bolt group, 17-second U-shaped lifting seat, 18-second front side guide rail, 19-second rear side guide rail, 20-second front side slider group, 21-second rear side slider group, 22-second gap adjusting cushion plate, 23-second gap adjusting bolt group.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 4, a hoisting device for rapid lifting of a pressure chamber of a true triaxial testing machine comprises a base 1, a first upright 2, a second upright 3, a cross beam 4, a lifting hydraulic cylinder 5, a lifting beam 6, a first lifting guide component, a second lifting guide component, a first lifting support arm 7 and a second lifting support arm 8; the first upright post 2 and the second upright post 3 are vertically and fixedly arranged at the top of the base 1, and the top ends of the first upright post 2 and the second upright post 3 are fixedly connected through a cross beam 4; the lifting hydraulic cylinder 5 is vertically and fixedly arranged at the top of the base 1, a piston rod is arranged upwards, and the lifting hydraulic cylinder 5 is positioned between the first upright post 2 and the second upright post 3; the lifting beam 6 is horizontally and fixedly arranged at the top end of a piston rod of the lifting hydraulic cylinder 5, one end of the lifting beam 6 is connected with the first upright post 2 through a first lifting guide assembly, and the other end of the lifting beam 6 is connected with the second upright post 3 through a second lifting guide assembly; the first lifting support arm 7 is arranged on the first lifting guide component, and the first lifting support arm 7 and the lifting beam 6 synchronously follow up; the second lifting support arm 8 is arranged on the second lifting guide component, and the second lifting support arm 8 and the lifting beam 6 synchronously follow up; the pressure chamber is respectively provided with a first support arm plugging lifting lug and a second support arm plugging lifting lug, and the positions of the first support arm plugging lifting lug and the second support arm plugging lifting lug correspond to the positions of the first lifting support arm 7 and the second lifting support arm 8 one by one; the first lifting support arm 7 is in plug-in fit with the first support arm plug-in lifting lug, and the second lifting support arm 8 is in plug-in fit with the second support arm plug-in lifting lug.
The first lifting guide assembly comprises a first U-shaped lifting seat 9, a first front side guide slide rail 10, a first rear side guide slide rail 11, a first front side slide block group 12 and a first rear side slide block group 13; the first front side guide slide rail 10 is vertically and fixedly arranged on the front surface of the first upright post 2, and the first rear side guide slide rail 11 is vertically and fixedly arranged on the rear surface of the first upright post 2; the first U-shaped lifting seat 9 is sleeved outside the first upright 2, the opening end of the first U-shaped lifting seat faces outward, and a first reinforcing rib plate group 14 is fixedly connected to the opening end of the first U-shaped lifting seat 9; the first front side sliding block group 12 is installed on the first front side guide sliding rail 10, and the first front side sliding block group 12 is fixedly connected with the front end plate body of the first U-shaped lifting seat 9; the first rear side sliding block group 13 is installed on the first rear side guide sliding rail 11, the first rear side sliding block group 13 is fixedly connected with a rear end plate body of the first U-shaped lifting seat 9 through a first gap adjusting base plate 15, and a first gap adjusting bolt group 16 is installed on the rear end plate body of the first U-shaped lifting seat 9; the first lifting support arm 7 is horizontally arranged, and the root part of the first lifting support arm 7 is fixedly connected to the outer surface of the front end plate body of the first U-shaped lifting seat 9; one end of the lifting beam 6 is fixedly connected to the outer surface of the sealing end plate body of the first U-shaped lifting seat 9.
The second lifting guide assembly comprises a second U-shaped lifting seat 17, a second front side guide slide rail 18, a second rear side guide slide rail 19, a second front side slider group 20 and a second rear side slider group 21; the second front side guide slide rail 18 is vertically and fixedly arranged on the front surface of the second upright post 3, and the second rear side guide slide rail 19 is vertically and fixedly arranged on the rear surface of the second upright post 3; the second U-shaped lifting seat 17 is sleeved outside the second upright post 3, the opening end of the second U-shaped lifting seat 17 faces outward, and a second reinforcing rib plate group is fixedly connected to the opening end of the second U-shaped lifting seat 17; the second front side sliding block group 20 is installed on the second front side guide sliding rail 18, and the second front side sliding block group 20 is fixedly connected with the front end plate body of the second U-shaped lifting seat 17; the second rear side sliding block set 21 is installed on the second rear side guide sliding rail 19, the second rear side sliding block set 21 is fixedly connected with a rear end plate body of the second U-shaped lifting seat 17 through a second gap adjusting base plate 22, and a second gap adjusting bolt set 23 is installed on the rear end plate body of the second U-shaped lifting seat 17; the second lifting support arm 8 is horizontally arranged, and the root part of the second lifting support arm 8 is fixedly connected to the outer surface of the front end plate body of the second U-shaped lifting seat 17; the other end of the lifting beam 6 is fixedly connected with the outer surface of the sealing end plate body of the second U-shaped lifting seat 17.
When the rock sample combination in the pressure chamber needs to be dismantled, and the lifting action needs to be executed, the piston rod of the lifting hydraulic cylinder 5 is controlled to retract downwards at first so as to realize synchronous descending of the heights of the lifting beam 6, the first lifting support arm 7 and the second lifting support arm 8 until the heights of the first lifting support arm 7 and the second lifting support arm 8 are the same as the heights of the first support arm inserting lifting lug and the second support arm inserting lifting lug on the pressure chamber. And then controlling the pressure chamber to move towards the hoisting device along the transfer track until the first lifting support arm 7 and the second lifting support arm 8 are accurately inserted into the first support arm inserting lifting lug and the second support arm inserting lifting lug respectively. After the lifting support arm and the support arm inserting lifting lug are butted, the pressure chamber is unlocked, then the piston rod of the lifting hydraulic cylinder 5 is controlled to extend upwards until the upper part and the lower part of the pressure chamber are completely separated, and the rock sample assembly in the pressure chamber is completely exposed, so that the rock sample assembly can be smoothly detached. After the step of changing the rock sample assembly is finished, when the pressure chamber needs to be packaged again, only the piston rod of the lifting hydraulic cylinder 5 needs to be controlled to retract downwards until the upper part and the lower part of the pressure chamber are completely buckled together, then the pressure chamber is packaged again, and finally the pressure chamber is controlled to move to a test area along the transfer track of the pressure chamber, and along with the leaving of the pressure chamber, the pressure chamber is separated from the first lifting support arm 7 and the second lifting support arm 8 respectively from the first support arm inserting lifting lug and the second support arm inserting lifting lug.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (3)
1. The utility model provides a hoist device that is used for real triaxial test machine pressure chamber to go up and down fast which characterized in that: the lifting device comprises a base, a first upright post, a second upright post, a cross beam, a lifting hydraulic cylinder, a lifting beam, a first lifting guide component, a second lifting guide component, a first lifting support arm and a second lifting support arm; the first upright post and the second upright post are vertically and fixedly arranged at the top of the base, and the top ends of the first upright post and the second upright post are fixedly connected through a cross beam; the lifting hydraulic cylinder is vertically and fixedly arranged at the top of the base, a piston rod is arranged upwards, and the lifting hydraulic cylinder is positioned in the middle of the first upright post and the second upright post; the lifting beam is horizontally and fixedly arranged at the top end of a piston rod of the lifting hydraulic cylinder, one end of the lifting beam is connected with the first upright post through a first lifting guide assembly, and the other end of the lifting beam is connected with the second upright post through a second lifting guide assembly; the first lifting support arm is arranged on the first lifting guide component, and the first lifting support arm and the lifting beam synchronously follow up; the second lifting support arm is arranged on the second lifting guide component and synchronously follows the lifting beam; the pressure chamber is respectively provided with a first support arm plugging lifting lug and a second support arm plugging lifting lug, and the positions of the first support arm plugging lifting lug and the second support arm plugging lifting lug correspond to the positions of the first lifting support arm and the second lifting support arm one to one; the first lifting support arm is in plug-in fit with the first support arm plug-in lifting lug, and the second lifting support arm is in plug-in fit with the second support arm plug-in lifting lug.
2. The hoisting device for the rapid lifting of the pressure chamber of the true triaxial tester according to claim 1, wherein: the first lifting guide assembly comprises a first U-shaped lifting seat, a first front side guide sliding rail, a first rear side guide sliding rail, a first front side sliding block group and a first rear side sliding block group; the first front side guide slide rail is vertically and fixedly arranged on the front surface of the first upright post, and the first rear side guide slide rail is vertically and fixedly arranged on the rear surface of the first upright post; the first U-shaped lifting seat is sleeved outside the first upright post, the opening end of the first U-shaped lifting seat faces the outside, and a first reinforcing rib plate group is fixedly connected to the opening end of the first U-shaped lifting seat; the first front side sliding block group is arranged on the first front side guide sliding rail and fixedly connected with the front end plate body of the first U-shaped lifting seat; the first rear side sliding block group is arranged on the first rear side guide sliding rail and fixedly connected with a rear end plate body of the first U-shaped lifting seat through a first gap adjusting base plate, and a first gap adjusting bolt group is arranged on the rear end plate body of the first U-shaped lifting seat; the first lifting support arm is horizontally arranged, and the root part of the first lifting support arm is fixedly connected to the outer surface of the front end plate body of the first U-shaped lifting seat; one end of the lifting beam is fixedly connected to the outer surface of the sealing end plate body of the first U-shaped lifting seat.
3. The hoisting device for the rapid lifting of the pressure chamber of the true triaxial tester according to claim 2, wherein: the second lifting guide assembly comprises a second U-shaped lifting seat, a second front side guide sliding rail, a second rear side guide sliding rail, a second front side sliding block group and a second rear side sliding block group; the second front side guide slide rail is vertically and fixedly arranged on the front surface of the second upright post, and the second rear side guide slide rail is vertically and fixedly arranged on the rear surface of the second upright post; the second U-shaped lifting seat is sleeved outside the second upright post, the opening end of the second U-shaped lifting seat faces the outside, and a second reinforcing rib plate group is fixedly connected to the opening end of the second U-shaped lifting seat; the second front side sliding block group is arranged on the second front side guide sliding rail and fixedly connected with the front end plate body of the second U-shaped lifting seat; the second rear side sliding block group is arranged on the second rear side guide sliding rail and fixedly connected with a rear end plate body of the second U-shaped lifting seat through a second gap adjusting base plate, and a second gap adjusting bolt group is arranged on the rear end plate body of the second U-shaped lifting seat; the second lifting support arm is horizontally arranged, and the root part of the second lifting support arm is fixedly connected to the outer surface of the front end plate body of the second U-shaped lifting seat; the other end of the lifting beam is fixedly connected to the outer surface of the sealing end plate body of the second U-shaped lifting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110200565.4A CN112816318A (en) | 2021-02-23 | 2021-02-23 | A hoist device that is used for real triaxial test machine pressure chamber to go up and down fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110200565.4A CN112816318A (en) | 2021-02-23 | 2021-02-23 | A hoist device that is used for real triaxial test machine pressure chamber to go up and down fast |
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| CN112816318A true CN112816318A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110200565.4A Pending CN112816318A (en) | 2021-02-23 | 2021-02-23 | A hoist device that is used for real triaxial test machine pressure chamber to go up and down fast |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418792A (en) * | 2021-05-24 | 2021-09-21 | 株洲时代新材料科技股份有限公司 | Oil cylinder underlying type rubber product large-load fatigue test device and test method thereof |
-
2021
- 2021-02-23 CN CN202110200565.4A patent/CN112816318A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418792A (en) * | 2021-05-24 | 2021-09-21 | 株洲时代新材料科技股份有限公司 | Oil cylinder underlying type rubber product large-load fatigue test device and test method thereof |
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