CN210893730U

CN210893730U - Geotechnical engineering reconnaissance sampling device

Info

Publication number: CN210893730U
Application number: CN201921864669.XU
Authority: CN
Inventors: 高凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-06-30
Anticipated expiration: 2029-11-01

Abstract

The utility model relates to a geotechnical engineering reconnaissance equipment technical field just discloses a geotechnical engineering reconnaissance sampling device, including the device body, the internal portion of device is the sample storehouse, and device body bottom fixedly connected with sample end, sample end bottom center department have seted up the introduction port, are provided with the fly leaf in the sample storehouse, and the regulation storehouse has been seted up to device body middle part end inner wall, is provided with the stripper bar on the cone inclined plane of sample end. This geotechnical engineering reconnaissance sampling device, through the fly leaf that sets up in the sample storehouse and can remove, realized when the extrusion stem contacts with the ground layer is rigid, the rotation of second gear makes two closed fly leaves separate toward both sides originally, ground layer sample enters into the sample storehouse through the introduction port in, the back is accomplished in the device body sample, reset spring is pushing up toward screw rod reverse motion, it is closed once more to have realized driving two fly leaves, make the ground sample that enters into in the sample storehouse sealed completely, the problem that the ground sample scatters easily when the device body is extracted has been solved.

Description

Geotechnical engineering reconnaissance sampling device

Technical Field

The utility model relates to a geotechnical engineering reconnaissance equipment technical field specifically is a geotechnical engineering reconnaissance sampling device.

Background

At present, the field related to geotechnical engineering investigation is continuously expanded, exploration reveals more diversified and complicated stratums, and meanwhile, engineering construction projects, especially major engineering projects, have higher and higher requirements on the quality of geotechnical engineering investigation.

Generally when taking a sample the reconnaissance to the ground, because the ground is too hard can't directly break through the ground layer by general sampler, lead to the sample failure, cause very big difficulty for staff's work to current technique is taking a sample the ground layer after, when pulling out sampling device, the problem that the ground layer sample that often appears collecting scatters leads to the problem of sample failure. Therefore, in order to solve the above problems, it is necessary to provide a sampling device for geotechnical engineering investigation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a geotechnical engineering reconnaissance sampling device possesses the advantages such as being favorable to opening broken rock soil layer, to the fine protection of the sample of collection and preventing that the sample from scattering, has solved the problem that the geotechnical layer is difficult to open, the unable protection of sample and sample scatter.

(II) technical scheme

For the above-mentioned purpose that is favorable to opening broken rock soil layer, fine protection to the sample of collection and prevents that the sample from scattering, the utility model provides a following technical scheme: a geotechnical engineering investigation sampling device comprises a device body, wherein the device body is a hollow cylinder, the top of the device body is fixedly connected to a rotating mechanism, a crushing cutter is fixedly arranged on the outer wall of the device body, a sampling end is fixedly connected to the bottom of the device body, the sampling end is a trapezoidal cylinder, a sample bin is arranged inside the device body, an air outlet is formed in the top of the sample bin, a crushing strip is fixedly arranged at the bottom of the sampling end, a sample inlet is formed in the center of the bottom of the sampling end and communicated with the sample bin, movable plates are arranged in the sample bin, the number of the movable plates is two, the movable plates are semicircular plates, the two movable plates are the same in size and the diameter of the two movable plates is the same as that of the sample bin, a circular groove is formed in the device body cavity, an adjusting bin is arranged in the circular grooves in the device body cavity, the screw rod is sleeved in the bearing and is a hollow cylindrical screw rod, the bottom of the screw rod is fixedly arranged at the top of the second gear, the side surfaces of the two movable plates are fixedly connected with connecting rods, the other side ends of the two connecting rods are fixedly connected with first gears, the first gears are cylindrical first gears, the two first gears are respectively meshed with the screw rods on the left side and the right side, extrusion rods are arranged on the conical inclined plane of the sampling end, the bottom of each extrusion rod is provided with the same crushing strips, the number of the extrusion rods is two, the top ends of the two extrusion rods are provided with threads, the two extrusion rods respectively penetrate through the sampling end and are communicated with the adjusting bin, the top ends of the two extrusion rods are respectively in threaded connection and penetrate through the second gear and simultaneously extend into respective screw rod cavities, reset springs are respectively and fixedly arranged in the two screw rod cavities, and the, the reset spring is a high-strength spring, and the side surfaces of the top ends of the two extrusion rods are provided with limit blocks.

Preferably, the sample inlet is a circular port.

Preferably, the two extrusion rods have the same size and are bilaterally symmetrical.

Preferably, the two movable plates have the same size and are symmetrical left and right.

Preferably, the crushing knives are uniformly distributed on the outer wall of the device body.

Preferably, the sample chamber is a circular chamber.

Preferably, the crushing strips are uniformly distributed at the bottom of the sampling end.

(III) advantageous effects

Compared with the prior art, the utility model provides a geotechnical engineering reconnaissance sampling device possesses following beneficial effect:

1. this geotechnical engineering reconnaissance sampling device through setting up broken sword and sample end bottom at device external wall and setting up broken strip, has realized when the device body contacts with the ground layer, can be fine carry out broken handle to the ground layer for the device body enters into the ground layer more easily and carries out the reconnaissance sample, has solved the problem that the device body can't directly get into the ground layer sample fast.

2. This geotechnical engineering reconnaissance sampling device, through the fly leaf that sets up in the sample storehouse and can remove, realized when the stripper bar and the hard contact of ground layer, the stripper bar is extruded, make the stripper bar drive the second gear and rotate, the rotation of second gear makes two closed fly leaves separate toward both sides originally, ground layer sample enters into in the sample storehouse through the introduction port, device body sample is accomplished the back, the extrusion force of stripper bar disappears, reset spring is pushing against toward screw rod reverse motion, it is closed once more to have realized driving two fly leaves, make the ground sample that enters into in the sample storehouse totally enclosed, realized the guard action to the ground sample, the problem of the ground sample scattering easily when the device body is extracted has been solved.

3. This geotechnical engineering reconnaissance sampling device through set up the fly leaf that can remove in the sample storehouse, when the device body is not taken a sample to the geotechnical layer, the elastic force of service spring is pushing up the connecting rod and is keeping certain state for two fly leaves remain closed state throughout, and realized keeping the sample storehouse sealed clean state throughout, solved the sample storehouse and got into impurity when not using, influence the problem of sample.

Drawings

FIG. 1 is a cross-sectional view of the device body of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the movable plate and the first gear of the present invention;

fig. 4 is a front view of the sampling end of the present invention.

In the figure: the device comprises a device body 1, a crushing knife 2, a sampling end 3, a sample bin 4, a crushing strip 5, a sample inlet 6, a movable plate 7, an adjusting bin 8, a bearing 9, a screw rod 10, a second gear 11, a connecting rod 12, a first gear 13, an extrusion rod 14, a return spring 15 and a limiting block 16.

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 engineering investigation sampling device comprises a device body 1, the device body 1 is a hollow cylinder, the top of the device body 1 is fixedly connected to a rotating mechanism, crushing knives 2 are fixedly installed on the outer wall of the device body 1, the crushing knives 2 are uniformly distributed on the outer wall of the device body 1, the crushing knives 2 can realize rigid contact with a rock-soil layer, when the device body 1 is rotated to contact the rock-soil layer, the crushing knives 2 crush the rock-soil on the surface of the rock-soil layer, so that the device body 1 can more easily enter the rock-soil layer, a sampling end 3 is fixedly connected to the bottom of the device body 1, the sampling end 3 is a trapezoidal cylinder, a sample bin 4 is arranged inside the device body 1, an air outlet hole is formed in the top end of the sample bin 4, crushing strips 5 are fixedly installed at the bottom of the sampling end 3, the crushing strips 5 are uniformly distributed at the bottom of the sampling end 3, a sample, the sample inlet 6 is a circular port, the sample inlet 6 is communicated with the sample bin 4, the sample bin 4 is internally provided with two movable plates 7, the number of the movable plates 7 is two, the movable plates 7 are semicircular plates, the two movable plates 7 have the same size and the same diameter as the diameter of the sample bin 4, a circular groove is formed in the cavity of the device body 1, an adjusting bin 8 is formed in the inner wall of the middle end of the device body 1 in a clamping manner in the circular groove in the cavity of the device body 1 of the two movable plates 7, a bearing 9 is fixedly installed at the top of the adjusting bin 8, a screw rod 10 is sleeved in the bearing 9, the screw rod 10 is a hollow cylindrical screw rod, the bottom of the screw rod 10 is fixedly installed at the top of a second gear 11, the second gear 11 is fixedly installed on the inner wall of the device body 1 through the bearing, the side surfaces of the two, the first gear 13 is a cylindrical first gear, the two first gears 13 are engaged with the screws 10 on the left and right sides respectively, the conical inclined plane of the sampling end 3 is provided with the extrusion rods 14, the bottoms of the extrusion rods 14 are provided with the same crushing strips 5, the number of the extrusion rods 14 is two, the two extrusion rods 14 are bilaterally symmetrical, the top ends of the two extrusion rods 14 are provided with threads, the two extrusion rods 14 respectively penetrate through the sampling end 3 and are communicated with the adjusting bin 8, the top ends of the two extrusion rods 14 are respectively in threaded connection and penetrate through the second gear 11 and simultaneously extend into the cavities of the respective screws 10, the cavities of the two screws 10 are respectively and fixedly provided with the reset springs 15, the bottom ends of the reset springs 15 are contacted with the tops of the extrusion rods 14, the reset springs 15 are high-strength springs, the side surfaces of the top ends of the two extrusion rods 14 are provided with the limit blocks 16, because the, the extrusion rods 14 are in threaded connection with the second gear 11, so that the limit blocks 16 prevent the extrusion rods 14 from being ejected away from the screw rod 10 by the elastic force of the springs 15, under normal conditions, the two reset springs 15 are in a compressed device, the reset springs 15 have the elastic action on the extrusion rods 14, the two extrusion rods 14 are stretched at the bottom of the sampling end 3, the rock-soil layer is sampled under the rotation action of the device body 1, the two extrusion rods 14 and the crushing strips 5 at the bottom of the sampling end 3 can crush the surface of the rock-soil layer, the device body 1 can more easily enter the rock-soil layer, when the device body 1 enters the rock-soil layer, the two extrusion rods 14 are in contact with the inside of the rock-soil layer, the two extrusion rods 14 are extruded, the reset springs 15 at the top ends of the two extrusion rods 14 are extruded, because the two extrusion rods 14 are provided with threads, the extrusion rods 14 are in threaded connection with the second gear 11, therefore, when the extrusion rod 14 moves towards the cavity of the screw rod 10, the second gear 11 rotates to drive the fixedly connected screw rod 10 at the top to rotate, the screw rod 10 rotates to drive the first gear 13 meshed with the screw rod 10 to rotate, two originally closed movable plates 7 move towards two sides, the two movable plates 7 are separated, the rock soil enters the rock soil layer in the sample inlet 6 at the bottom of the sampling end 3, the rock soil enters the sample bin 4 through the sample inlet 6, at the moment, the two movable plates 7 in the sample bin 4 are completely opened, when the device body 1 is pulled out from the rock soil layer after sampling is completed, the contact force between the two extrusion rods 14 and the rock soil layer disappears, the two reset springs 15 respectively push the extrusion rods 14 to move towards the outside of the screw rod 10, the reset springs 15 push the extrusion rods 14 to rotate reversely, and the two second gears 11 are rotated reversely, realized driving two screw rods 10 and reversing, will drive two fly leaf 7 closures again, realized that the geotechnical sample that will enter into in the sample storehouse 4 is sealed up completely, realized when pulling out the device body 1 in the ground, the geotechnical sample can not appear the problem that falls in the geotechnical engineering reconnaissance sampling device sample storehouse 4.

The working steps are as follows:

the first step is as follows: the rotation effect of the device body 1 is opened and is sampled the ground layer, and when the device body 1 entered into the ground in situ, two extrusion rods 14 and ground in situ internal contact, two extrusion rods 14 are extruded for extrude in the reset spring 15 on two extrusion rods 14 tops.

The second step is that: when the extrusion rod 14 moves towards the cavity of the screw rod 10, the second gear 11 rotates to drive the fixedly connected screw rod 10 at the top to rotate, the screw rod 10 rotates to drive the first gear 13 meshed with the screw rod to rotate, and the two movable plates 7 which are originally closed move towards two sides.

The third step: the two movable plates 7 are separated, the sample inlet 6 at the bottom of the sampling end 3 enters rock soil, and rock soil samples enter the sample bin 4 through the nutrient inlet 6.

The fourth step: after the sampling of the device body 1 is completed, when the device body 1 is extracted from the rock-soil layer, the contact force between the two extrusion rods 14 and the rock-soil layer disappears, the two reset springs 15 respectively push the extrusion rods 14 to move outwards towards the screw rods 10, the reset springs 15 push the extrusion rods 14 to rotate reversely, the two second gears 11 are rotated reversely, the two screw rods 10 are driven to rotate reversely, the two movable plates 7 are driven to be closed, and the rock-soil sample entering the sample bin 4 is completely sealed.

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

1. The utility model provides a geotechnical engineering reconnaissance sampling device, includes the device body (1), its characterized in that: the device body (1) is a hollow cylinder, the inside sample storehouse (4) that is of the device body (1), device body (1) bottom fixedly connected with sample end (3), sample end (3) is a trapezoidal cylinder, sample port (6) have been seted up to sample end (3) bottom center department, sample port (6) and sample storehouse (4) intercommunication, be provided with fly leaf (7) in sample storehouse (4), adjust storehouse (8) have been seted up to device body (1) middle part end inner wall, adjust storehouse (8) top fixed mounting have bearing (9), screw rod (10) have been cup jointed in bearing (9), screw rod (10) are a hollow cylinder screw rod, the bottom fixed mounting of screw rod (10) is at the top of second gear (11), be provided with on the cone inclined plane of sample end (3) extrusion pole (14).

2. The geotechnical engineering investigation sampling device of claim 1, wherein: the number of the movable plates (7) is two, the movable plates (7) are semicircular plates, the two movable plates (7) are the same in size and the diameter is the same as that of the sample bin (4), a circular groove is formed in the cavity of the device body (1), and the two movable plates (7) are clamped in the circular groove in the cavity of the device body (1).

3. The geotechnical engineering investigation sampling device of claim 1, wherein: the side face of the movable plate (7) is fixedly connected with a connecting rod (12), the other side end of the connecting rod (12) is fixedly connected with a first gear (13), and the first gear (13) is meshed with the screw (10).

4. The geotechnical engineering investigation sampling device of claim 1, wherein: the quantity of the extrusion rods (14) is two, the top ends of the two extrusion rods (14) are provided with threads, the two extrusion rods (14) penetrate through the sampling end (3) and the adjusting bin (8) respectively and are communicated, the top ends of the two extrusion rods (14) are in threaded connection and penetrate through the second gear (11) respectively and extend into the cavity of the screw rod (10) simultaneously.

5. The geotechnical engineering investigation sampling device of claim 1, wherein: the screw rod (10) intracavity is fixed mounting respectively has reset spring (15) and reset spring (15)'s bottom and the top contact of extrusion pole (14), and reset spring (15) are a high strength spring, and extrusion pole (14) top side is provided with stopper (16).