CN212441288U

CN212441288U - Heavy bearing experiment table for geotechnical experiment

Info

Publication number: CN212441288U
Application number: CN202021686496.XU
Authority: CN
Inventors: 郭二伟; 杨为民; 朱海华; 焦燏烽; 陈茜
Original assignee: Henan University of Science and Technology
Current assignee: Henan University of Science and Technology
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-02-02
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a heavy bearing experiment table for geotechnical experiments, which comprises a material placing table, a lifting mechanism for controlling the material placing table to lift, a supporting mechanism for supporting the lifting mechanism and a demoulding mechanism for taking out a soil sample from a compaction cylinder; the object placing table comprises an object placing plate and an object storing box, and sleeves are arranged at positions close to the vertical edges on two opposite side surfaces of the object storing box; an outer cantilever plate is vertically arranged on the storage box; elevating system locates four apex angle departments of putting the thing board, and demoulding mechanism locates on the board of raising outward, and demoulding mechanism includes drawing of patterns bottom plate, drawing of patterns medium plate, drawing of patterns roof, screw rod and jack I, and the ejector pin of jack I on arranging the drawing of patterns bottom plate in passes the drawing of patterns medium plate and to hitting the soil sample application of force in the solid section of thick bamboo so that the soil sample breaks away from and hits the solid section of thick bamboo and wear out from the drawing of patterns roof, and the laboratory bench can bear 2~3 tons of heavy load. This laboratory bench can be stronger bearing capacity, can directly carry out the soil sample drawing of patterns on the laboratory bench, can carry out hydraulic pressure according to the experiment requirement and go up and down, strong adaptability, convenient operation.

Description

Heavy bearing experiment table for geotechnical experiment

Technical Field

The utility model belongs to the technical field of geotechnical experiment equipment and specifically relates to a geotechnical experiment is with heavy laboratory bench that bears.

Background

The building industry in China is rapidly developed, the building structure forms are changeable, the building size is larger and larger, and the requirement on the performance of foundation soil is higher and higher. The role and status of geotechnical tests as soil testing techniques in theoretical research and practice of geotechnical engineering are not negligible. The geotechnical test is an important component of basic engineering investigation, is the continuation of field investigation work, and has very important significance in engineering design and construction.

The geotechnical test can provide physical and mechanical property indexes of soil, is used for basic design and calculation, provides experimental data support for research of soil mechanics theory, and is an important part of engineering investigation. In solving the practical problems of various geotechnical engineering, field exploration and geotechnical tests are organically combined to accurately complete qualitative and quantitative analysis and evaluation of soil samples and provide accurate soil body parameters, so that the accuracy, representativeness and economic rationality of basic engineering design can be fundamentally ensured, and qualified exploration results are submitted to construction units. Because the soil is a natural geological historical product, the particle size and mineral composition of various soils are greatly different, and the quantity proportion of three phases of the soil is different, the physical property and the mechanical property of the soil are more complex compared with other materials, so the geotechnical experiment is particularly important.

It can be known that, the requirement to geotechnical test is higher and higher, because traditional geotechnical test lacks special laboratory bench, adopts ordinary desk as the laboratory bench mostly, but bearing capacity is less than normal, is unsuitable for the experiment of each kind of soil, seriously restricts geotechnical test's development, moreover, the drawing of patterns is the indispensable important step of geotechnical test, and often need reuse solitary drawing of patterns equipment when carrying out the drawing of patterns among the prior art and carry out the drawing of patterns, use inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a heavy laboratory bench that bears for geotechnique's experiments, this laboratory bench can be stronger bearing capacity, can directly carry out the drawing of patterns of soil sample on the laboratory bench, can carry out hydraulic pressure lift according to the experiment requirement, strong adaptability, convenient operation.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:

a heavy bearing experiment table for geotechnical experiments comprises a placing table, a lifting mechanism for controlling the placing table to lift, a supporting mechanism for supporting the lifting mechanism and a demolding mechanism for taking out a soil sample from a compaction cylinder;

the storage table comprises a storage plate for placing soil particles and a storage box arranged below the storage plate, the storage box is cuboid, and sleeves are arranged on two opposite side surfaces of the storage box and close to the vertical edges; at least one of two opposite side surfaces of the storage box is vertically provided with an outer flip board;

the lifting mechanism is arranged at four top corners of the object placing plate and comprises a jack II, a lifting top plate and a lifting bottom plate, the lifting top plate arranged at the top of the jack II is fixedly connected with the bottom surface of the object placing plate, and the lifting bottom plate is arranged at the bottom of the jack II;

the supporting mechanism comprises a supporting rod and a supporting plate, the supporting plate is connected with one end of the supporting rod, and one end of the supporting rod, which is far away from the supporting plate, penetrates through the sleeve and is fixedly connected with the lifting bottom plate;

the demoulding mechanism is arranged on the outer cantilever plate and comprises a demoulding bottom plate, a demoulding middle plate, a demoulding top plate, a screw rod and a jack I, at least two screw rods are arranged, one end of each screw rod is in threaded connection with the demoulding top plate, the other end of each screw rod penetrates through the demoulding middle plate and then is in threaded connection with the demoulding bottom plate and the outer cantilever plate in sequence, the demoulding middle plate for placing the compaction cylinder can be fixedly connected with the screw rod through a nut matched with the screw rod, the jack I is arranged on the demoulding bottom plate, the middle part of the demoulding middle plate is provided with a through hole I for the mandril of the jack I to pass through, the middle part of the demoulding top plate is provided with a through hole II for a soil sample to pass through, the axes of the through hole I, the through hole II and the jack I mandril are on the same straight line, the ejector rod of the jack I penetrates through the through hole I to apply force to the soil sample in the compaction cylinder so that the soil sample gradually separates from the compaction cylinder and penetrates out of the through hole II;

the tonnage of each jack II is 1.5-2.0 tons, and the experiment table can bear 2-3 tons of heavy load.

Furthermore, one side of the demoulding middle plate, which is far away from the demoulding bottom plate, is provided with a circular groove which is concentric with the through hole I and is used for placing the compaction cylinder.

Furthermore, an inclined column used for reinforcing the outer cantilever plate is connected between the outer cantilever plate and the storage box.

Further, the quantity of screw rod is three, and three screw rods are that the apex angle is right angle or obtuse isosceles triangle and arrange, and isosceles triangle's apex angle closes on puts the thing platform.

Furthermore, the cross section of the demoulding bottom plate is circular, and the cross section of the demoulding top plate is circular; the drawing of patterns medium plate is including the tourus that is located the middle part and locate the three support ear on the tourus arc is global, and each supports the ear and all locates on closing on the tourus and put the half piece of thing platform, all is equipped with the through-hole III that supplies the screw rod to pass on each support ear, and threaded connection has two nuts of locating the support ear both sides respectively with fixed drawing of patterns medium plate on the screw rod.

Further, the storing box includes a cuboid frame, a horizontal plate, two riser I and two riser II, the horizontal plate is installed on the underframe of cuboid frame, and two riser I install respectively on the left and right side frame of cuboid frame, and two riser II install respectively on the preceding, rear side frame of cuboid frame, and one of them riser II is articulated with the cuboid frame, and wherein, horizontal plate, riser I and riser II cut by the decorative pattern steel sheet that thickness is 2~4mm and form, and the cuboid frame is formed by the welding of square steel pipe.

Furthermore, the top surface of putting the thing board all is equipped with all around and encloses the fender with putting thing board articulated.

Furthermore, universal wheels which are convenient for moving the experiment table are arranged below the lifting bottom plate.

Furthermore, a pull ring which is convenient for moving the experiment table is arranged on the bottom surface of the object placing plate.

Furthermore, the stroke of the jack II is 150-200 mm.

Has the advantages that:

as above, the utility model discloses a heavy laboratory bench that bears for geotechnical experiment has following beneficial effect:

1. the utility model discloses an experiment table is including putting thing platform, elevating system, supporting mechanism and demoulding mechanism, wherein: (1) the lifting mechanism can realize the lifting of the object placing table, the tonnage of a jack II in the lifting mechanism is 1.5-2.0 tons, the experiment table can bear 2-3 tons of heavy load, and the impact of various loads such as soil smashing, soil crushing, knocking and the like generated in the geotechnical experiment can be borne; (2) an operator can not only carry out geotechnical experiments on the object placing table, but also take out soil samples in the compaction cylinder by using the demolding mechanism, namely, a plurality of experimental steps can be carried out on the experiment table at the same time, so that resources can be effectively saved, and the cost of experimental equipment is reduced; (3) the utility model discloses in put the lift of thing platform through jack II operation, can realize putting the thing board four corners and go up and down simultaneously, also can realize putting the unilateral lift on thing platform minor face or long limit, can adapt to the various demands of geotechnical experiment opposition thing board mesa slope.

2. The utility model discloses one side that the drawing of patterns bottom plate was kept away from to well drawing of patterns medium plate is equipped with and is used for placing the circular slot of hitting a real section of thick bamboo with through-hole I is endocentric, can avoid hitting when a real section of thick bamboo atress take place by a wide margin the removal at the horizontal direction.

3. The utility model discloses in through being connected the batter post between board and the storing box of encorbelmenting outward, the batter post forms stable part of encorbelmenting with the cooperation of encorbelmenting outward, support demoulding mechanism that can be better.

4. The utility model discloses well laboratory bench put the thing board and have all around enclosing fender, enclose the fender and put the thing board articulated, enclose the fender and can overturn downwards and open, conveniently put cleaning of thing board.

5. The utility model discloses in can realize the free removal of laboratory bench through pull ring and universal wheel, conveniently turn, be fit for indoor flat ground, also can adapt to outdoor uneven ground.

6. The utility model provides an experiment table simple structure is compact, convenient operation is swift for geotechnique's experiment can be safe, the efficient goes on, and the experiment table is when idle, puts the thing bench and can stack building materials test block or other experimental facilities, makes the best of things.

The present invention will be described in further detail with reference to the drawings and specific examples.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the laboratory bench of the present invention;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a schematic structural view of the mold-releasing mechanism in fig. 1.

The drawing mark comprises 1, a demoulding mechanism, 101, a demoulding top plate, 1011, through holes II, 102, a screw rod, 103, a demoulding middle plate, 1031, through holes I, 1032, a circular groove, 1033, through holes III, 104, jacks I, 105, a demoulding bottom plate, 2, an inclined column, 3, a supporting mechanism, 301, a supporting rod, 302, a supporting plate, 4, an object placing table, 401, an object placing plate, 402, a storage box, 5, a universal wheel, 6, a sleeve, 7, a lifting mechanism, 701, a lifting top plate, 702, jacks II, 703, a lifting bottom plate, 8, an outward picking plate, 9, a compaction cylinder, 10 and a pull ring.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.

It should be noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "I" and "II" in the present invention are not limited to the corresponding technical features in terms of quantity, but are named for distinguishing the related technical features.

Referring to fig. 1 and 2, the heavy-duty bearing experiment table for the geotechnical experiment mainly comprises a placing table 4, a lifting mechanism 7 for controlling the placing table 4 to lift, a supporting mechanism 3 for supporting the lifting mechanism 7, and a demolding mechanism 1 for taking out a soil sample from a compaction cylinder 9; the storage table 4 comprises a storage plate 401 for placing soil particles and a storage box 402 arranged below the storage plate 401, the storage box 402 is cuboid, and sleeves 6 are arranged on two opposite side surfaces of the storage box 402, close to vertical edges; at least one of two opposite side surfaces of the storage box 402 is vertically provided with a horizontal outward protruding plate 8; the lifting mechanisms 7 are arranged at four top corners of the object placing plate 401, each lifting mechanism 7 comprises a jack II 702, a lifting top plate 701 and a lifting bottom plate 703, the lifting top plate 701 arranged at the top of the jack II 702 is fixedly connected with the bottom surface of the object placing plate 401, and the lifting bottom plate 703 is arranged at the bottom of the jack II 702; the supporting mechanism 3 comprises a supporting rod 301 and a supporting plate 302, the supporting plate 302 is connected with one end of the supporting rod 301, and one end of the supporting rod 301, which is far away from the supporting plate 302, penetrates through the sleeve 6 and then is fixedly connected with the lifting bottom plate 703; referring to fig. 3, the demolding mechanism 1 is disposed on the outer cantilever 8, the demolding mechanism 1 includes a demolding bottom plate 105, a demolding middle plate 103, a demolding top plate 101, at least two screws 102, one end of the screw 102 is in threaded connection with the demolding top plate 101, the other end of the screw 102 penetrates through the demolding middle plate 103 and then is in threaded connection with the demolding bottom plate 105 and the outer cantilever 8 in turn, the demolding middle plate 103 for placing the compacting cylinder 9 and the screw 102 can be fixedly connected through a nut matched with the screw 102, the jack I104 is disposed on the demolding bottom plate 105, a through hole I1031 for the ejector pin of the jack I104 to pass through is disposed in the middle of the demolding middle plate 103, a through hole II 1011 for the soil sample to pass through is disposed in the middle of the demolding top plate 101, and the axes of the through hole I1031, the through hole II 1011 and the ejector pin of the jack I104 are on the same straight line, the top rod of the jack I104 penetrates through the through hole I1031 to apply force to the soil sample in the compaction cylinder 9 so that the soil sample gradually separates from the compaction cylinder 9 and penetrates out of the through hole II 1011; the tonnage of each jack II 702 is 1.5-2.0 tons, and the experiment table can bear 2-3 tons of heavy load.

Preferably, a circular groove 1032 which is concentric with the through hole I1031 and used for placing the compaction cylinder 9 is arranged on one side of the demoulding middle plate 103 far away from the demoulding bottom plate 105, so that the compaction cylinder can be effectively prevented from moving greatly in the horizontal direction when stressed.

Preferably, an inclined column 2 used for reinforcing the outer cantilever plate 8 is connected between the outer cantilever plate 8 and the storage box 402, and the inclined column 2 and the outer cantilever plate 8 are matched to form an overhanging part, so that the demoulding mechanism 1 can be better supported.

In detail, the number of the screws 102 is three, the three screws 102 are arranged in an isosceles triangle with a vertex angle being a right angle or an obtuse angle, and the vertex angle of the isosceles triangle is close to the object placing table 4. The triangular arrangement can not only stably support the demoulding mechanism 1, but also conveniently arrange the compaction cylinder 9 at the corresponding position of the demoulding middle plate 103, and cannot interfere with the taking and placing of the compaction cylinder 9.

In detail, the cross section of the demoulding bottom plate 105 is circular, the cross section of the demoulding top plate 101 is circular, the demoulding middle plate 103 comprises a circular ring body positioned in the middle and three supporting lugs arranged on the arc-shaped peripheral surface of the circular ring body, each supporting lug is arranged on a half block of the circular ring body close to the object placing table 4, a through hole III 1033 for the screw rod 102 to pass through is arranged on each supporting lug, and two nuts respectively arranged on two sides of the supporting lug are in threaded connection on the screw rod 102 to fix the demoulding middle plate 103.

In detail, storing box 402 includes a cuboid frame, a horizontal plate, two riser I and two riser II, the horizontal plate is installed on the underframe of cuboid frame, and two riser I install respectively on the left and right side frame of cuboid frame, and two riser II install respectively on the preceding of cuboid frame, the rear side frame, and one of them riser II is articulated with the cuboid frame, and wherein, horizontal plate, riser I and riser II cut by the decorative pattern steel sheet that thickness is 2~4mm and form, and the cuboid frame is formed by the welding of square steel pipe.

Wherein, put the top surface of thing board 401 all be equipped with all around and put thing board 401 articulated enclose the fender, enclose the fender and put the thing board articulated, enclose that the fender can overturn downwards and open, conveniently put cleaning of thing board.

Wherein, each lifting bottom plate 703 below is equipped with the universal wheel 5 that makes things convenient for the removal laboratory bench, makes things convenient for the laboratory bench to remove indoor and outdoor through setting up universal wheel 5, can establish two of them universal wheels 5 into the universal wheel that has the brake lock, makes fixing that the laboratory bench can be stable subaerial, convenient operation. The bottom surface of the object placing plate 401 is provided with a pull ring 10 which is convenient for moving the experiment table. The pull ring 10 is formed by bending round steel with the diameter of 10 mm. The free movement of laboratory bench can be realized through pull ring 10 and universal wheel 5, convenient turn is fit for indoor flat ground, also adapts to outdoor pothole ground.

The width of the object placing plate 401 is 750-850 mm, and the length is 1500-2000 mm.

The lifting function of the experiment table is determined by the jack II 702, the stroke of the experiment table is 150 mm-200 mm, the length of the supporting rod 301 minus the length of the sleeve 6 is more than 150 mm-200 mm, and the total height of the experiment table is 900 mm-1100 mm.

It should be noted that, the object placing plate 401 of the experiment table can be lifted 150mm to 200mm at four corners, one short side on the top surface of the object placing plate 401 can be lifted on a single side (i.e. only two jacks II 702 are used), the lifting height of the other short side is 150mm to 200mm, the inclination of the object placing plate 401 can reach 6 to 8 °, or one long side on the top surface of the object placing plate 401 can be lifted on a single side (also only two jacks II 702 are used), the lifting height of the other long side is 150mm to 200mm, and the inclination of the object placing plate 401 can reach 11 to 15 °.

Through using discovery many times to this laboratory bench, this laboratory bench has heavy bearing capacity, removes freely, and the lift is nimble, and the drawing of patterns is convenient, cleans advantages such as easy, is particularly suitable for being used for geotechnological experiment, has fine use prospect.

It is right above the utility model provides a heavy laboratory bench that bears for geotechnical experiment has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and concrete implementation are elucidated, and above-mentioned embodiment only is used for helping understanding the utility model discloses a method and core thought. It should be noted that any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are within the scope of the present invention for those skilled in the art.

Claims

1. The utility model provides a geotechnique is heavy experiment with bearing experiment platform which characterized in that: comprises a placing table (4), a lifting mechanism (7) for controlling the placing table (4) to lift, a supporting mechanism (3) for supporting the lifting mechanism (7) and a demoulding mechanism (1) for taking out a soil sample from a compaction cylinder (9);

the storage table (4) comprises a storage plate (401) for placing soil particles and a storage box (402) arranged below the storage plate (401), the storage box (402) is cuboid, and sleeves (6) are arranged on two opposite side surfaces of the storage box (402) and close to vertical edges; an outer flip board (8) is vertically arranged on at least one side surface of two opposite side surfaces of the storage box (402);

the lifting mechanism (7) is arranged at four top corners of the object placing plate (401), the lifting mechanism (7) comprises a jack II (702), a lifting top plate (701) and a lifting bottom plate (703), the lifting top plate (701) arranged at the top of the jack II (702) is fixedly connected with the bottom surface of the object placing plate (401), and the lifting bottom plate (703) is arranged at the bottom of the jack II (702);

the supporting mechanism (3) comprises a supporting rod (301) and a supporting plate (302), the supporting plate (302) is connected with one end of the supporting rod (301), and one end, far away from the supporting plate (302), of the supporting rod (301) penetrates through the sleeve (6) and then is fixedly connected with the lifting bottom plate (703);

the demoulding mechanism (1) is arranged on the outer cantilever plate (8), the demoulding mechanism (1) comprises a demoulding bottom plate (105), a demoulding middle plate (103), a demoulding top plate (101), at least two screw rods (102) and a jack I (104), one end of each screw rod (102) is in threaded connection with the demoulding top plate (101), the other end of each screw rod penetrates through the demoulding middle plate (103) and then is in threaded connection with the demoulding bottom plate (105) and the outer cantilever plate (8) in sequence, the demoulding middle plate (103) used for placing the compacting cylinder (9) and the screw rods (102) can be fixedly connected through nuts matched with the screw rods (102), the jack I (104) is arranged on the demoulding bottom plate (105), a through hole I (1031) for a mandril of the jack I (104) to penetrate through is arranged in the middle of the demoulding middle plate (103), a through hole II (1011) for a soil sample to penetrate through is arranged in the middle of the demoulding top plate (101), the axes of the through hole I (1031), the through hole II (1011) and the ejector rod of the jack I (104) are on the same straight line, and the ejector rod of the jack I (104) penetrates through the through hole I (1031) to apply force to the soil sample in the compaction cylinder (9) so that the soil sample gradually separates from the compaction cylinder (9) and penetrates out of the through hole II (1011);

the tonnage of each jack II (702) is 1.5-2.0 tons, and the experiment table can bear 2-3 tons of heavy load.

2. The heavy duty load-bearing test bed of claim 1, wherein: one side of the demoulding middle plate (103) far away from the demoulding bottom plate (105) is provided with a circular groove (1032) which is concentric with the through hole I (1031) and used for placing the compaction cylinder (9).

3. The heavy duty load-bearing test bed of claim 1, wherein: an inclined column (2) used for reinforcing the outer cantilever plate (8) is connected between the outer cantilever plate (8) and the storage box (402).

4. The heavy duty load-bearing test bed of claim 1, wherein: the number of the screw rods (102) is three, the three screw rods (102) are arranged in an isosceles triangle shape with right or obtuse vertex angles, and the vertex angles of the isosceles triangle are close to the object placing table (4).

5. The heavy duty load-bearing test bed of claim 4, wherein: the cross section of the demoulding bottom plate (105) is circular, and the cross section of the demoulding top plate (101) is circular; drawing of patterns medium plate (103) are including the tourus that is located the middle part and locate the three support ear on the tourus arc is global, and each supports the ear and all locates in the tourus and close on putting the half piece of thing platform (4), supports all to be equipped with through-hole III (1033) that supply screw rod (102) to pass on the ear, and threaded connection has two nuts of locating the support ear both sides respectively with fixed drawing of patterns medium plate (103) on screw rod (102).

6. The heavy duty load-bearing test bed of claim 1, wherein: storing box (402) includes a cuboid frame, a horizontal plate, two riser I and two riser II, the horizontal plate is installed on the underframe of cuboid frame, and two riser I install respectively on the left and right side frame of cuboid frame, and two riser II install respectively on the preceding of cuboid frame, the rear side frame, and one of them riser II is articulated with the cuboid frame, and wherein, horizontal plate, riser I and riser II cut by the decorative pattern steel sheet that thickness is 2~4mm and form, and the cuboid frame is formed by the welding of square steel pipe.

7. The heavy duty load-bearing test bed of claim 1, wherein: and surrounding baffles hinged with the object placing plate (401) are arranged on the periphery of the top surface of the object placing plate (401).

8. The heavy duty load-bearing test bed of claim 1, wherein: the universal wheels (5) which are convenient for moving the experiment table are arranged below the lifting bottom plate (703).

9. The heavy duty load-bearing test bed of claim 1, wherein: the bottom surface of the object placing plate (401) is provided with a pull ring (10) which is convenient for moving the experiment table.

10. The heavy duty load-bearing test bed of claim 1, wherein: the stroke of the jack II (702) is 150-200 mm.