CN212031215U

CN212031215U - Density testing device for rock and soil investigation test sample

Info

Publication number: CN212031215U
Application number: CN201922060437.5U
Authority: CN
Inventors: 曹剑
Original assignee: Xuzhou Huaxin Foundation Engineering Co ltd
Current assignee: Xuzhou Huaxin Foundation Engineering Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-11-27
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a ground reconnaissance technical field just discloses a ground reconnaissance test sample density testing arrangement, comprising a base plate, the upper end of bottom plate has weighing case, volume measurement case and calculator from a left side to the right side fixed joint in proper order, the upper end of bottom plate articulates there is the U-shaped clamp plate, the one end fixedly connected with limiting plate of articulated department is kept away from to the U-shaped clamp plate, many locating levers of the even fixedly connected with of lower extreme of U-shaped clamp plate horizontal part, the constant head tank that corresponds the grafting with the locating lever is all seted up to the upper end of weighing case, volume measurement case and calculator, the screw thread section of thick bamboo has been cup jointed through ball bearing rotation in through-hole and the through-hole in the surp. The utility model discloses portable measures and uses, has guaranteed test accuracy nature.

Description

Density testing device for rock and soil investigation test sample

Technical Field

The utility model relates to a ground reconnaissance technical field especially relates to a ground reconnaissance test sample density testing arrangement.

Background

Rock soil is a general term for any kind of rock and soil that make up the earth's crust from the viewpoint of engineering and construction. Rock and soil can be subdivided into five major categories of hard (hard rock), sub-hard (soft rock), weakly bonded, loosely unbonded, and with specific compositions, structures, states, and properties. The first two categories are called rock and the last three categories are called soil, which are collectively called rock and soil by Chinese custom. The geotechnical engineering investigation refers to finding out, analyzing and evaluating geological and environmental characteristics of a construction site and geotechnical engineering conditions according to requirements of construction engineering, and compiling activities of investigation files.

In the process of geotechnical engineering exploration and construction, the tightness of the geotechnical is often required to be measured and calculated, the existing density testing device is large in size and inconvenient to carry and use in the exploration process, most of the density testing device is composed of weight detection equipment, volume detection equipment and computing equipment, the density testing device, the weight detection equipment, the volume detection equipment and the computing equipment are placed and dispersed, the density testing device and the computing equipment are inconvenient to carry, measure and use, the construction site is mostly uneven, and the inclined ground can easily influence the accuracy of measurement in actual measurement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the density testing arrangement volume among the prior art great, be not convenient for carry the use at the in-process of exploration, and constitute by weight check out test set, volume check out test set and computational equipment mostly, the dispersion is placed to the three, be not convenient for carry measure the use more, and the construction site is mostly uneven, the ground of slope influences the problem of the accuracy of measurement very easily in actual measurement, and the ground investigation test sample density testing arrangement who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a density testing device for rock and soil reconnaissance test samples comprises a bottom plate, wherein a weighing box, a volume measuring box and a calculator are fixedly clamped at the upper end of the bottom plate from left to right in sequence, a U-shaped pressing plate is hinged at the upper end of the bottom plate, one end of the U-shaped pressing plate, which is far away from the hinged part, is fixedly connected with a limiting plate, a plurality of positioning rods are uniformly and fixedly connected at the lower end of the horizontal part of the U-shaped pressing plate, positioning grooves which are correspondingly inserted with the positioning rods are respectively formed at the upper ends of the weighing box, the volume measuring box and the calculator, through holes are respectively formed at four corners of the surface of the bottom plate, a threaded barrel is rotatably sleeved in the through holes through ball bearings, a driven helical gear is fixedly sleeved on the outer wall of the threaded barrel, an adjusting motor is fixedly connected at the upper end of the, the lower extreme fixedly connected with universal seat of lifting screw, the lower extreme output shaft fixedly connected with backup pad of universal seat.

Preferably, the four corners of the bottom plate are fixedly connected with damping rollers.

Preferably, the upper end of the bottom plate is further rotatably connected with a clamping plate through a rotating shaft, a limiting insertion rod is movably inserted into the surface of the clamping plate, a limiting insertion hole correspondingly inserted with the limiting insertion rod is formed in the surface of the limiting plate, the upper end of the limiting insertion rod is fixedly connected with a pulling plate, and the lower end of the pulling plate and the upper end of the clamping plate are fixedly connected with a same clamping spring.

Preferably, the upper end of the bottom plate is uniformly and fixedly connected with a plurality of wedge-shaped blocks, and dovetail grooves matched and clamped with the wedge-shaped blocks are formed in the lower ends of the weighing box, the volume measuring box and the calculator.

Preferably, the upper end of the lifting screw is fixedly connected with an anti-dropping plate.

Compared with the prior art, the utility model provides a ground reconnaissance test sample density testing arrangement possesses following beneficial effect:

1. this ground reconnaissance test sample density testing arrangement, wedge and dovetail through being equipped with can make the case of weighing, the joint that volume measurement case and calculator are accurate relatively is on the bottom plate, upset U-shaped clamp plate, make the locating lever inject the constant head tank in can realizing the weighing box, the firm of volume measurement case and calculator is spacing, rotatory cardboard, make the cardboard rotatory upside to the limiting plate, joint spring pull-down plate, the pull-down plate impels spacing inserted bar to spacing jack in can realize the firm spacing to the U-shaped clamp plate, can the weighing box, volume measurement case and calculator are installed fast, and can be convenient for whole testing arrangement quick travel through the shock attenuation gyro wheel that is equipped with, convenient to use in the scene.

2. This ground reconnaissance test sample density testing arrangement, through the adjustment motor that is equipped with, when placing the face unevenness, start the adjustment motor, the adjustment motor drives the rotation of initiative helical gear, the meshing that utilizes initiative helical gear and driven helical gear drives the screw thread section of thick bamboo and rotates, the threaded connection effect of rethread screw thread section of thick bamboo and lifting screw makes lifting screw promote the backup pad and moves down, the regulating action that utilizes universal seat can make the backup pad carry out the outrigger to the bottom plate, according to the different lift length of four lifting screw of gradient adjustment on road surface, can quick adjustment weigh the case, volume measurement case and calculator to horizontal position, test accuracy nature has been guaranteed.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses portable measures the use, has guaranteed test accuracy nature.

Drawings

Fig. 1 is a schematic structural view of a device for testing density of a sample for geotechnical investigation according to the present invention;

fig. 2 is the utility model provides a structural schematic diagram of ground reconnaissance test sample density testing arrangement A part.

In the figure: the device comprises a base plate 1, a weighing box 2, a volume measuring box 3, a calculator 4, a U-shaped pressing plate 5, a limiting plate 6, a positioning rod 7, a positioning groove 8, a threaded cylinder 9, a driven helical gear 10, an adjusting motor 11, a driving helical gear 12, a lifting screw 13, a universal seat 14, a supporting plate 15, a damping roller 16, a rotating shaft 17, a clamping plate 18, a limiting inserted rod 19, a limiting inserted hole 20, a pulling plate 21, a clamping spring 22, a wedge-shaped block 23 and a dovetail groove 24.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a density testing device for rock and soil exploration test samples comprises a bottom plate 1, wherein the upper end of the bottom plate 1 is fixedly clamped with a weighing box 2, a volume measuring box 3 and a calculator 4 from left to right, the upper end of the bottom plate 1 is hinged with a U-shaped pressing plate 5, one end of the U-shaped pressing plate 5, which is far away from the hinged part, is fixedly connected with a limiting plate 6, the lower end of the horizontal part of the U-shaped pressing plate 5 is uniformly and fixedly connected with a plurality of positioning rods 7, the upper ends of the weighing box 2, the volume measuring box 3 and the calculator 4 are respectively provided with a positioning groove 8 correspondingly inserted with the positioning rods 7, four corners of the surface of the bottom plate 1 are respectively provided with a through hole, a threaded cylinder 9 is rotatably sleeved in the through hole through a ball bearing, the outer wall of the threaded cylinder 9 is fixedly sleeved with a driven helical gear 10, the threaded cylinder 9 is internally threaded with a lifting screw 13, the lower end of the lifting screw 13 is fixedly connected with a universal seat 14, and the lower end output shaft of the universal seat 14 is fixedly connected with a support plate 15.

The bottom four corners of the bottom plate 1 are fixedly connected with damping rollers 16.

The upper end of the bottom plate 1 is further rotatably connected with a clamping plate 18 through a rotating shaft 17, a limiting insertion rod 19 is inserted into the surface of the clamping plate 18 in a movable mode, a limiting insertion hole 20 which is correspondingly inserted into the limiting insertion rod 19 is formed in the surface of the limiting plate 6, a pulling plate 21 is fixedly connected to the upper end of the limiting insertion rod 19, and a clamping spring 22 is fixedly connected between the lower end of the pulling plate 21 and the upper end of the clamping plate 18.

The upper end of the bottom plate 1 is uniformly and fixedly connected with a plurality of wedge blocks 23, and the lower ends of the weighing box 2, the volume measuring box 3 and the calculator 4 are provided with dovetail grooves 24 matched and clamped with the wedge blocks 23.

The upper end of the lifting screw 13 is fixedly connected with an anti-drop plate.

In the utility model, when in use, the weighing box 2, the volume measuring box 3 and the calculator 4 can be relatively accurately clamped on the bottom plate 1 through the wedge block 23 and the dovetail groove 24, the U-shaped pressing plate 5 is turned over, the positioning rod 7 is inserted into the positioning groove 8 to realize the stable limit of the weighing box 2, the volume measuring box 3 and the calculator 4, the clamping plate 18 is rotated to rotate the clamping plate 18 to the upper side of the limiting plate 6, the clamping spring 22 pulls the pulling plate 21 downwards, the pulling plate 21 pushes the limit inserting rod 19 into the limit inserting hole 20 to realize the stable limit of the U-shaped pressing plate 5, the weighing box 2, the volume measuring box 3 and the calculator 4 can be quickly installed, the whole testing device can be conveniently and quickly moved through the damping roller 16, the field use is convenient, the regulating motor 11 is arranged, when the placing surface is uneven, the regulating motor 11 is started, the adjusting motor 11 drives the driving helical gear 12 to rotate, the meshing action of the driving helical gear 12 and the driven helical gear 10 is utilized to drive the threaded cylinder 9 to rotate, the threaded connection action of the threaded cylinder 9 and the lifting screw 13 enables the lifting screw 13 to push the supporting plate 15 to move downwards, the adjusting action of the universal seat 14 is utilized to enable the supporting plate 15 to stably support the bottom plate, the four lifting screw 13 different lifting lengths are adjusted according to the gradient of the road surface, the weighing box 2 can be quickly adjusted, the volume measuring box 3 and the calculator 4 can be quickly adjusted to the horizontal position, and the testing accuracy is guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A density testing device for rock and soil exploration test samples comprises a bottom plate (1) and is characterized in that a weighing box (2), a volume measuring box (3) and a calculator (4) are fixedly clamped at the upper end of the bottom plate (1) from left to right in sequence, a U-shaped pressing plate (5) is hinged at the upper end of the bottom plate (1), a limiting plate (6) is fixedly connected at one end of the U-shaped pressing plate (5) far away from the hinged part, a plurality of positioning rods (7) are uniformly and fixedly connected at the lower end of the horizontal part of the U-shaped pressing plate (5), positioning grooves (8) which are correspondingly spliced with the positioning rods (7) are respectively formed at the upper ends of the weighing box (2), the volume measuring box (3) and the calculator (4), through holes are formed at four corners of the surface of the bottom plate (1), threaded cylinders (9) are rotatably sleeved in the through ball bearings, driven helical gears (10) are fixedly sleeved on, the upper end fixedly connected with adjusting motor (11) of bottom plate (1), the output shaft fixedly connected with of adjusting motor (11) and driven helical gear (10) meshing initiative helical gear (12), threaded cylinder (9) female connection has lifting screw (13), the lower extreme fixedly connected with universal seat (14) of lifting screw (13), the lower extreme output shaft fixedly connected with backup pad (15) of universal seat (14).

2. The device for testing the density of the geotechnical investigation test sample according to claim 1, wherein the damping rollers (16) are fixedly connected to four corners of the bottom plate (1).

3. The device for testing the density of the sample for the geotechnical investigation according to claim 1, wherein a clamping plate (18) is rotatably connected to the upper end of the bottom plate (1) through a rotating shaft (17), a limiting insertion rod (19) is inserted into the surface of the clamping plate (18) in a movable manner, a limiting insertion hole (20) which is correspondingly inserted into the limiting insertion rod (19) is formed in the surface of the limiting plate (6), a pulling plate (21) is fixedly connected to the upper end of the limiting insertion rod (19), and a clamping spring (22) is fixedly connected between the lower end of the pulling plate (21) and the upper end of the clamping plate (18).

4. The device for testing the density of the sample in the geotechnical investigation test according to claim 1, wherein a plurality of wedge blocks (23) are uniformly and fixedly connected to the upper end of the bottom plate (1), and dovetail grooves (24) matched and clamped with the wedge blocks (23) are formed in the lower ends of the weighing box (2), the volume measuring box (3) and the calculator (4).

5. The device for testing the density of the geotechnical investigation test sample according to claim 1, wherein an anti-dropping plate is fixedly connected to the upper end of the lifting screw (13).