CN209802791U - Geotechnical unconfined compression resistance and triaxial test sample preparation device - Google Patents

Geotechnical unconfined compression resistance and triaxial test sample preparation device Download PDF

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Publication number
CN209802791U
CN209802791U CN201920554089.4U CN201920554089U CN209802791U CN 209802791 U CN209802791 U CN 209802791U CN 201920554089 U CN201920554089 U CN 201920554089U CN 209802791 U CN209802791 U CN 209802791U
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CN
China
Prior art keywords
connecting cylinder
rod
geotechnical
fixed
triaxial test
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Expired - Fee Related
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CN201920554089.4U
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Chinese (zh)
Inventor
江政贵
陈茂伟
陈法彬
张福岗
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Jiangsu Institute Of Geology And Mineral Resources Design And Research
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Jiangsu Institute Of Geology And Mineral Resources Design And Research
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Priority to CN201920554089.4U priority Critical patent/CN209802791U/en
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Publication of CN209802791U publication Critical patent/CN209802791U/en
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Abstract

The utility model discloses a geotechnical investigation technical field's geotechnical non-confined resistance to compression and triaxial test system appearance device, including operation platform, operation platform's top left side is provided with the fixed bolster, the bottom activity of dead lever cup joints and is provided with the connecting cylinder, the dead lever is located the bottom of connecting cylinder inner chamber and is provided with crowded appearance piston, the middle part in connecting cylinder outer wall left side is fixed and is provided with the connecting rod, the left end of connecting rod is provided with spacing pulley, spacing pulley and the laminating of fixed bolster right-hand member face, the left side outer wall top of connecting cylinder is provided with the tooth, the right-hand member of gear installation horizontal pole is provided with brake gear through the axis of rotation, the right side of brake gear meshes with the tooth, the bottom of connecting cylinder is provided with the sampling cylinder, and the device does not need sample both ends to extrude fixedly, and the surface, the detection efficiency is greatly improved, the disturbance of the sample is avoided, and the accuracy and reliability of the detection result are guaranteed.

Description

geotechnical unconfined compression resistance and triaxial test sample preparation device
Technical Field
The utility model relates to a ground reconnaissance technical field specifically is a geotechnique does not have side limit resistance to compression and triaxial test system appearance device.
Background
In geotechnical engineering investigation geotechnical experiments, the sample preparation of unconfined compression resistance and triaxial tests adopts a traditional cutting sample preparation method, the method needs to fix two ends firstly and then slowly cut on the surface, the sample preparation speed is low, large disturbance is caused to samples, the working efficiency and the test result are seriously influenced, and the evaluation of the bearing capacity of a foundation and the stability of a side slope and the construction period progress are very unfavorable for engineering investigation. Corresponding sample preparation equipment and sample preparation methods in the market at present cannot effectively solve the problems, and the development of geotechnical engineering tests is restricted to a great extent. Therefore, the geotechnical unconfined compression resistance and triaxial test sample preparation device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a geotechnique does not have confined resistance to compression and triaxial test system appearance device to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an unconfined compression resistance and triaxial test sample preparation device for the soil engineering comprises an operating platform, wherein a fixed bracket is arranged on the left side of the top of the operating platform, the top of the fixed bracket is provided with a fixed transverse frame, the right side of the bottom of the fixed transverse frame is provided with a fixed rod, the bottom of the fixed rod is movably sleeved with a connecting cylinder, the bottom end of the fixed rod, which is positioned in the inner cavity of the connecting cylinder, is provided with a sample extruding piston, a connecting rod is fixedly arranged in the middle of the left side of the outer wall of the connecting cylinder, a limiting pulley is arranged at the left end of the connecting rod, the limiting pulley is attached to the right end face of the fixed support, the top of the outer wall of the left side of the connecting cylinder is provided with teeth, a gear installation cross rod is arranged on the outer wall of the right side of the fixed support close to the top, a brake gear is arranged at the right end of the gear installation cross rod through a rotating shaft, the right side of the brake gear is meshed with the teeth, and the bottom of the connecting cylinder is provided with a sampling cylinder.
Furthermore, a guide rail with a triangular horizontal section is arranged on the end face of the right side of the fixed support, and the guide rail is positioned below the gear installation cross rod.
Furthermore, the outer edge surface wall of the curved surface of the limiting pulley is provided with an annular triangular groove matched with the guide rail.
Furthermore, the front end of the shaft hole of the gear installation cross rod installation rotating shaft is provided with a hexagonal groove, and the front end face of the rotating shaft is flush with the bottom of the hexagonal groove.
Further, the front end of axis of rotation is fixed and is provided with the rectangular pole, the length of rectangular pole is greater than the degree of depth of hexagon recess, the front end cover of rectangular pole has connect the rotation cover, the rear end of rotating the cover is seted up with rectangular pole complex rectangular hole, the rotation cover is the hexagonal prism structure that matches with the hexagon recess.
furthermore, a quincunx rubber head handle is arranged at the front end of the rotating sleeve.
Further, the inner diameter of the sampling cylinder is equal to the maximum diameter of the bottom of the sample extruding piston.
Compared with the prior art, the beneficial effects of the utility model are that:
1. The connecting cylinder is connected to the fixed support through a pulley on the fixed support, and is matched with an annular triangular groove on the surface wall of the curved outer edge of the limiting pulley through a triangular guide rail, so that the lifting deviation of the connecting cylinder is prevented when the connecting cylinder moves up and down, and the sampling direction and the stability of the device are guaranteed;
2. In the sampling process, samples do not need to be fixed at two ends and the surfaces do not need to be cut to required sizes, so that the samples are greatly prevented from being disturbed and damaged, the detection result is ensured to be accurate and reliable, the samples can be formed at one time, and the sample preparation efficiency is greatly improved;
3. Adopt hexagon recess, rectangular pole and rotation cover, before the sample or after the sample with the connecting cylinder through the braking gear rotation meshing tooth promote the back, will rotate the cover again and insert in the hexagon recess, make the fixed rotation of braking gear, guarantee the tooth chucking, the connecting cylinder keeps highly motionless, the taking away of remaining sample behind placing and the sample of sample before the convenient sample.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the fixing rod and the sample-extruding piston of the present invention;
FIG. 3 is a front view of the connecting structure of the gear mounting cross bar and the brake gear of the present invention;
Fig. 4 is the left side view of the brake gear structure of the present invention.
in the figure: the device comprises an operation platform 1, a fixing support 2, a fixing cross frame 3, a fixing rod 4, a sample extruding piston 41, a connecting cylinder 5, a connecting rod 6, a limiting pulley 7, a tooth 8, a gear mounting cross rod 9, a brake gear 10, a rotating shaft 11, a rectangular rod 111, a sampling cylinder 12, a guide rail 13, a rotating sleeve 14 and a plum blossom-shaped rubber head handle 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a geotechnical unconfined compression resistance and triaxial test sample preparation device comprises an operation platform 1, wherein a fixed support 2 is arranged on the left side of the top of the operation platform 1, a fixed transverse frame 3 is arranged on the top of the fixed support 2, a fixed rod 4 is arranged on the right side of the bottom of the fixed transverse frame 3, the fixed rod 4 is vertically arranged, a connecting cylinder 5 is movably sleeved at the bottom of the fixed rod 4, the connecting cylinder 5 can slide up and down on the outer wall of the fixed rod 4, a sample extrusion piston 41 is arranged at the bottom end of an inner cavity of the connecting cylinder 5, the sample extrusion piston 41 is in a round platform structure, a connecting rod 6 is fixedly arranged in the middle of the left side of the outer wall of the connecting cylinder 5, a limiting pulley 7 is arranged at the left end of the connecting rod 6, the limiting pulley 7 is attached to the right end face of the fixed support 2, teeth 8 are, the right-hand member of gear installation horizontal pole 9 is provided with brake gear 10 through axis of rotation 11, and brake gear 10's right side and tooth 8 meshing, brake gear 10 rotate meshing tooth 8 and drive connecting cylinder 5 and go up and down, and the bottom of connecting cylinder 5 is provided with sampler barrel 12, and connecting cylinder 5 drives sampler barrel 12 and impresses in the sample, and sampler barrel 12 is located under crowded appearance piston 41.
as shown in fig. 1, a guide rail 13 with a triangular horizontal section is arranged on the right end face of the fixed support 2, and the guide rail 13 is positioned below the gear installation cross rod 9 and is matched with the limiting pulley 7 for guiding, so that deflection is avoided, and the connecting cylinder 5 is lifted and deviated;
As shown in fig. 1, the outer edge surface wall of the curved surface of the limiting pulley 7 is provided with an annular triangular groove matched with the guide rail 13, so as to be more stably matched with the triangular guide rail 13, thereby ensuring the sampling direction and the stability of the device;
As shown in fig. 3, a hexagonal groove is arranged at the front end of the shaft hole of the gear installation cross bar 9 for installing the rotating shaft 11, and the front end surface of the rotating shaft 11 is flush with the bottom of the hexagonal groove;
As shown in fig. 3 and 4, a rectangular rod 111 is fixedly arranged at the front end of the rotating shaft 11, the length of the rectangular rod 111 is greater than the depth of the hexagonal groove, a rotating sleeve 14 is sleeved at the front end of the rectangular rod 111, a rectangular hole matched with the rectangular rod 111 is formed in the rear end of the rotating sleeve 14, the rotating sleeve 14 is of a hexagonal prism structure matched with the hexagonal groove, after the connecting cylinder 5 is rotated by the brake gear 10 to be meshed with the teeth 8 to be lifted before or after sampling, the rotating sleeve 14 is inserted into the hexagonal groove to fix the brake gear 10, so that the teeth 8 are ensured to be tightly clamped, the connecting cylinder 5 keeps the height unchanged, and the placement of a sample before sampling and the taking-away of a residual sample after sampling are facilitated;
As shown in fig. 4, a quincunx rubber head handle 15 is arranged at the front end of the rotating sleeve 14, so that manual rotation is facilitated.
as shown in fig. 1 or 2, the inner diameter of the sampling cylinder 12 is equal to the maximum diameter of the bottom of the sample-extruding piston 41, so that the sample-extruding piston 41 cannot enter the inner hole of the sampling cylinder 12 when the diameter of the bottom is larger, and the sample is prevented from being easily deviated and slowly extruded when the diameter of the bottom of the sample-extruding piston 41 is smaller.
Example (b): during sampling, the rotating sleeve 14 is inserted into the hexagonal groove to fix and prevent the brake gear 10 from rotating, so as to ensure that the teeth 8 are tightly clamped, the connecting cylinder 5 keeps the height to be fixed, then a sample is placed on the operating platform 1, the rotating sleeve 14 is pulled out of the hexagonal groove to keep the rotating sleeve 14 to be sleeved and rotated with the rectangular rod 111, the rectangular rod 111 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the brake gear 10 to rotate, the brake gear 10 is meshed with the driving teeth 8 and the connecting cylinder 5 to move downwards, the connecting cylinder 5 drives the sampling cylinder 12 to be pressed into the sample, the rotating sleeve 14 is rotated reversely after the sample is run through, the brake gear 10 is meshed with the driving teeth 8 and the connecting cylinder 5 to move upwards to drive the sampling cylinder 12 to ascend, the sample is tightly pushed out by the sample extruding piston 41 on the fixing rod 4, the sample is formed, the rotating sleeve 14 is inserted into the hexagonal groove again to ensure that the brake gear, the connector barrel 5 is held at a constant height and the remaining sample is removed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a geotechnique does not have confined resistance to compression and triaxial test system appearance device, includes operation platform (1), its characterized in that: the top left side of the operating platform (1) is provided with a fixed support (2), the top of the fixed support (2) is provided with a fixed cross frame (3), the bottom right side of the fixed cross frame (3) is provided with a fixed rod (4), the bottom of the fixed rod (4) is movably sleeved with a connecting cylinder (5), the bottom of the fixed rod (4) in the inner cavity of the connecting cylinder (5) is provided with a sample extruding piston (41), the middle part of the left side of the outer wall of the connecting cylinder (5) is fixedly provided with a connecting rod (6), the left end of the connecting rod (6) is provided with a limiting pulley (7), the limiting pulley (7) is attached to the right end face of the fixed support (2), the top of the outer wall of the left side of the connecting cylinder (5) is provided with teeth (8), the outer wall of the right side of the fixed support (2) is provided with a gear installation cross rod (9) close to the top, the right side of the brake gear (10) is meshed with the teeth (8), and the bottom of the connecting cylinder (5) is provided with a sampling cylinder (12).
2. the geotechnical unconfined compression and triaxial test sample preparation device according to claim 1, which is characterized in that: the right side end face of the fixed support (2) is provided with a guide rail (13) with a triangular horizontal section, and the guide rail (13) is positioned below the gear installation cross rod (9).
3. The geotechnical unconfined compression and triaxial test sample preparation device according to claim 1 or 2, wherein: and an annular triangular groove matched with the guide rail (13) is arranged on the surface wall of the outer edge of the curved surface of the limiting pulley (7).
4. the geotechnical unconfined compression and triaxial test sample preparation device according to claim 1, which is characterized in that: the gear mounting cross rod (9) is provided with a hexagonal groove at the front end of the shaft hole of the mounting rotating shaft (11), and the front end face of the rotating shaft (11) is flush with the bottom of the hexagonal groove.
5. The geotechnical unconfined compression and triaxial test sample preparation device as claimed in claim 1 or 4, wherein: the utility model discloses a hexagonal groove structure, including axis of rotation (11), the front end of axis of rotation (11) is fixed and is provided with rectangular rod (111), the length of rectangular rod (111) is greater than the degree of depth of hexagonal recess, the front end cover of rectangular rod (111) has connect and has rotated cover (14), the rear end of rotating cover (14) is seted up with rectangular rod (111) complex rectangular hole, it is the hexagonal prism structure that matches with the hexagonal recess to rotate cover (14).
6. The geotechnical unconfined compression and triaxial test sample preparation device according to claim 5, wherein: the front end of the rotating sleeve (14) is provided with a quincunx rubber head handle (15).
7. the geotechnical unconfined compression and triaxial test sample preparation device according to claim 5, wherein: the inner diameter of the sampling cylinder (12) is equal to the maximum diameter of the bottom of the sample extruding piston (41).
CN201920554089.4U 2019-04-23 2019-04-23 Geotechnical unconfined compression resistance and triaxial test sample preparation device Expired - Fee Related CN209802791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920554089.4U CN209802791U (en) 2019-04-23 2019-04-23 Geotechnical unconfined compression resistance and triaxial test sample preparation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920554089.4U CN209802791U (en) 2019-04-23 2019-04-23 Geotechnical unconfined compression resistance and triaxial test sample preparation device

Publications (1)

Publication Number Publication Date
CN209802791U true CN209802791U (en) 2019-12-17

Family

ID=68830530

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920554089.4U Expired - Fee Related CN209802791U (en) 2019-04-23 2019-04-23 Geotechnical unconfined compression resistance and triaxial test sample preparation device

Country Status (1)

Country Link
CN (1) CN209802791U (en)

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

Granted publication date: 20191217

Termination date: 20210423

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