Soil sampling device for geological engineering

Abstract

The utility model discloses a soil sampling device for geological engineering, which is characterized in that a handle is arranged at the top end of a sampling outer tube and the top end of a movable rod, scales are arranged on the outer side wall of the sampling outer tube, a drill bit is mounted at the tail end of the sampling outer tube through threads, and a sampling bin is mounted in an inner cavity of the sampling outer tube above the drill bit in a sliding manner; a spring is arranged between the drill bit and the sampling bin, and a telescopic sampling device is arranged in the sampling bin. The device has the functions that the device is simple in structure and convenient to carry; during sampling, a user only needs to control the movable rod to move up and down, and the elastic force of the spring can be used as driving force to control the claw head to stretch out and draw back, so that soil of different soil layers can be sampled; when a hard soil layer is encountered, a user uses the vibratory hammer to break through, so that time and labor can be saved; wherein the positioning support can provide a stable fulcrum for the sampling outer tube on the ground, and meanwhile, provides a reference for a user to observe the scales.

Description

Technical Field

[0001] This utility model patent belongs to the technical field of geological engineering equipment, and specifically relates to a soil sampling device for geological engineering. Background Art

[0002] Traditional soil sampling devices used in geological engineering are time-consuming, labor-intensive, and complicated, which reduces the efficiency of soil sampling and increases the workload of sampling workers. At the same time, the sampling devices are prone to shaking, which will affect the soil sampling effect.

[0003] In the prior art, a soil sampling device for geological engineering disclosed in a Chinese patent (CN215640269U) uses a driving motor to save manpower to solve the above problems. However, soil sampling is mostly done in the field, and the electric control equipment is very inconvenient to carry because of its precise structure and the need for a power supply.

[0004] Meanwhile, a soil sampling device for engineering geological testing disclosed in a Chinese patent (CN215262498U) also uses a driving motor to perform soil sampling. This device not only has the same problems as the above patent, but also has the problem that the sampled soil is difficult to extract from the drill bit.

[0005] In order to solve the above problems, this paper proposes a soil sampling device for geological engineering. Utility Model Content

[0006] In order to achieve the above technical effect, the utility model is realized through the following technical scheme: a soil sampling device for geological engineering, including a sampling outer tube, a positioning support, and a movable rod. The positioning support is slidably installed on the sampling outer tube, the upper end of the movable rod is installed with a power assist device, and the lower end of the movable rod is installed in the inner cavity of the sampling outer tube through a thread. The top of the sampling outer tube and the movable rod are provided with handles, and the outer side wall of the sampling outer tube is provided with a scale. The end of the sampling outer tube is provided with a drill bit through a thread, and a sampling chamber is slidably installed in the inner cavity of the sampling outer tube above the drill bit. A spring is provided between the drill bit and the sampling chamber, and a retractable sampling device is provided in the sampling chamber.

[0007] Preferably, the side wall of the drill bit is provided with anti-slip grooves, and the upper surface of the drill bit is provided with spring grooves.

[0008] Preferably, the sampling chamber is provided with a plurality of unit sampling chambers, and each unit sampling chamber is provided with a sampling chamber opening and a retractable sampling device.

[0009] Preferably, a sampling port corresponding to the opening of the sampling chamber is provided on the tube wall of the sampling outer tube.

[0010] Preferably, the sampling device also includes a slide, a sampling claw, a spring, and a limit groove. The slide is arranged on the upper top surface of the unit sampling chamber, and the sampling claw is slidably installed on the slide. The rear end of the sampling claw is connected to the inner wall of the unit sampling chamber through a spring. The width of the claw head of the sampling claw is the same as the width of the sampling port. The upper surface of the claw head is set as a downward inclined surface, the lower surface of the claw head is set as a concave arc surface, and a limit groove is set above the claw head.

[0011] Preferably, the power assist device is configured as a vibrating hammer, which is slidably mounted on the upper end of the movable rod.

[0012] The beneficial effects of the utility model are:

[0013] The device has a simple structure and is easy to carry. When taking samples, the user only needs to control the movable rod to move up and down, and can use the elastic force of the spring as a driving force to control the extension and retraction of the claw head, so as to sample soil in different soil layers. When encountering hard soil layers, the user uses a vibrating hammer to break through, which saves time and effort. The positioning support can provide a stable fulcrum for the sampling outer tube on the ground, and at the same time provide a reference for the user to observe the scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 For this utility model Figure 2 Schematic cross-sectional view of ;

[0018] Figure 4 For this utility model Figure 3 A partial schematic diagram of the middle part;

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] Sampling outer tube 1, positioning support 2, movable rod 3, inner cavity 4, handle 5, scale 6, drill bit 7, sampling chamber 8, spring 9, anti-slip pattern 10, spring groove 11, unit sampling chamber 12, sampling chamber opening 13, sampling port 14, sliding seat 15, sampling claw 16, claw head 17, limit groove 18, vibration hammer 19. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model. Example 1

[0022] like Figures 1 to 4 As shown, the prior art in this embodiment has the following problems: the inventor found that in the prior art, a soil sampling device for geological engineering disclosed in Chinese patent (CN215640269U) uses a driving motor to save manpower to solve the problems of traditional devices, but soil sampling is mostly done in the field, and the electric control equipment is very inconvenient to carry because of its precise structure and the need to be equipped with a power supply; at the same time, a soil sampling device for engineering geological detection disclosed in Chinese patent (CN215262498U) also uses a driving motor to perform soil sampling, which not only has the same problems as the above patents, but also has the problem that the soil after sampling is difficult to extract from the drill bit 7;

[0023] Therefore, the inventor provides a soil sampling device for geological engineering, including a sampling outer tube 1, a positioning support 2, and a movable rod 3. The positioning support 2 is slidably installed on the sampling outer tube 1, the upper end of the movable rod 3 is installed with a power assist device, and the lower end of the movable rod 3 is threadedly installed in the inner cavity 4 of the sampling outer tube 1. The top of the sampling outer tube 1 and the movable rod 3 are provided with a handle 5, the outer wall of the sampling outer tube 1 is provided with a scale 6, the end of the sampling outer tube 1 is threadedly installed with a drill bit 7, and a sampling chamber 8 is slidably installed in the inner cavity 4 of the sampling outer tube 1 above the drill bit 7, a spring 9 is provided between the drill bit 7 and the sampling chamber 8, and a retractable sampling device is provided in the sampling chamber 8.

[0024] The effect is: the device has a simple structure and is easy to carry; and when sampling, the user only needs to control the movable rod 3 to move up and down, and can use the elastic force of the spring 9 as a driving force to control the extension and retraction of the claw head 17, so as to sample soil in different soil layers; and when encountering a hard soil layer, the user uses a vibrating hammer 19 to break through, which can save time and effort; wherein, the positioning support 2 can provide a stable fulcrum for the sampling outer tube 1 on the ground, and at the same time, provide a reference for the user to observe the scale 6. Example 2

[0025] like Figures 1 to 4 As shown, based on the above embodiment, the drill bit 7 provided in this embodiment has anti-slip grooves 10 on its side wall, and a spring groove 11 on its upper surface;

[0026] Among them, the anti-slip groove 10 in the structure can prevent the user from slipping when disassembling the drill bit 7, and the spring groove 11 can accommodate the spring 9 in a compressed state, so that the bottom surface of the pressed sampling chamber 8 can be stably attached to the upper surface of the drill bit 7, avoiding the shaking of the sampling chamber 8 during the sampling process. Example 3

[0027] like Figures 1 to 4 As shown, based on the above embodiment, the sampling chamber 8 provided in this embodiment is provided with a plurality of unit sampling chambers 12, and each unit sampling chamber 12 is provided with a sampling chamber opening 13 and a retractable sampling device;

[0028] Among them, the design of the structure can facilitate users to sample soil from different soil layers.

[0029] On the basis of the above embodiment, a sampling port 14 corresponding to the sampling chamber opening 13 is provided on the tube wall of the sampling outer tube 1;

[0030] Among them, when no sampling is done, the sampling chamber opening 13 and the sampling port 14 are staggered up and down and are not connected. On the contrary, when the user takes samples, because the sampling chamber 8 is pressed down by the movable rod 3 to its bottom surface against the upper surface of the drill bit 7, the sampling chamber opening 13 located at the top moves down to be flush with the sampling port 14, and the two are connected.

[0031] On the basis of the above embodiment, the sampling device further includes a slide 15, a sampling claw 16, a spring 9, and a limit groove 18. The slide 15 is arranged on the upper top surface of the unit sampling chamber 12, and the sampling claw 16 is slidably mounted on the slide 15. The rear end of the sampling claw 16 is connected to the inner wall of the unit sampling chamber 12 through the spring 9. The width of the claw head 17 of the sampling claw 16 is the same as the width of the sampling port 14. The upper surface of the claw head 17 is arranged as an inclined surface inclined downward, and the lower surface of the claw head 17 is arranged as an inwardly concave arc surface. A limit groove 18 is arranged above the claw head 17.

[0032] Among them, when sampling, because the sampling chamber opening 13 moves down to be flush with the sampling port 14, the sampling claw 16 that was originally blocked by the wall of the sampling outer tube 1 is extended to the outside of the sampling port 14 under the action of the spring 9, so that the soil is dug into the unit sampling chamber 12 when the user presses down the sampling outer tube 1; at the same time, when the claw head 17 is fully extended, the limiting groove 18 on the claw head 17 is stuck on the inner wall of the unit sampling chamber 12, thereby limiting the claw head 17 to prevent the claw head 17 from being damaged by excessive extension; when the sampling is completed, the movable rod 3 will be pulled to make the spring 9 under the sampling chamber 8 push it up, and during the lifting process, because the sampling chamber opening 13 moves up, the sampling claw 16 retracts along the inclined surface of the upper surface of the claw head 17, and at the same time, the claw head 17 can hook back the soil at the sampling chamber opening 13 to avoid getting stuck in the sampling chamber 8. Example 4

[0033] like Figures 1 to 4 As shown, based on the above embodiment, the power assist device provided in this embodiment is configured as a vibrating hammer 19, and the vibrating hammer 19 is slidably mounted on the upper end of the movable rod 3;

[0034] Among them, this structure can use the deadweight of the vibrating hammer 19 to hammer the sampling outer tube 1 into the soil when the user is not convenient to exert force.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A soil sampling device for geological engineering, comprising a sampling outer tube, a positioning support, and a movable rod, wherein the sampling outer tube is slidably mounted with the positioning support, the upper end of the movable rod is mounted with a power assist device, and the lower end of the movable rod is threadedly mounted in the inner cavity of the sampling outer tube, characterized in that: The top ends of the sampling outer tube and the movable rod are provided with handles, the outer wall of the sampling outer tube is provided with scales, a drill bit is installed at the end of the sampling outer tube through a thread, a sampling chamber is slidably installed in the inner cavity of the sampling outer tube above the drill bit, a spring is provided between the drill bit and the sampling chamber, and a retractable sampling device is provided in the sampling chamber.

2. A soil sampling device for geological engineering according to claim 1, characterized in that: The side wall of the drill bit is provided with anti-slip grooves, and the upper surface of the drill bit is provided with spring grooves.

3. A soil sampling device for geological engineering according to claim 1, characterized in that: The sampling chamber is provided with a plurality of unit sampling chambers, and each unit sampling chamber is provided with a sampling chamber opening and a retractable sampling device.

4. A soil sampling device for geological engineering according to claim 3, characterized in that: The tube wall of the outer sampling tube is provided with a sampling port corresponding to the opening of the sampling chamber.

5. A soil sampling device for geological engineering according to claim 3, characterized in that: The sampling device also includes a slide, a sampling claw, a spring, and a limit groove. The slide is arranged on the upper top surface of the unit sampling chamber, and the sampling claw is slidably installed on the slide. The rear end of the sampling claw is connected to the inner wall of the unit sampling chamber through a spring. The width of the claw head of the sampling claw is the same as the width of the sampling port. The upper surface of the claw head is set as a downward inclined surface, the lower surface of the claw head is set as an inwardly concave arc surface, and a limit groove is set above the claw head.

6. A soil sampling device for geological engineering according to claim 1, characterized in that: The power assist device is configured as a vibrating hammer, which is slidably mounted on the upper end of the movable rod.

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