CN217735463U

CN217735463U - Exploration equipment for sandy soil layer tunnel track

Info

Publication number: CN217735463U
Application number: CN202221412166.0U
Authority: CN
Inventors: 汤彬彬; 高晨; 林甲涛; 王磊
Original assignee: Ningbo Metallurgical Survey And Design Research Co ltd
Current assignee: Ningbo Metallurgical Survey And Design Research Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-04
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to the technical field of engineering investigation, a sandy soil layer tunnel track exploration device is disclosed, comprising a central tube (1) and a detection device (2) arranged in the central tube (1), wherein the central tube (1) is circumferentially provided with a baffle (3), and the baffle (3) moves back and forth relative to the detection device (2) through a linear driving mechanism (4) to prevent soil layer loosening or hole collapse from affecting detection; the exploration equipment has the advantages that the baffle is arranged on the periphery of the exploration equipment aiming at the characteristics of loose structure, easy collapse and the like of a sandy soil layer, the soil layer is prevented from loosening or collapse, the influence on exploration is avoided, the operation is simple, and the practicability is high.

Description

Exploration equipment for sandy soil layer tunnel track

Technical Field

The utility model relates to an engineering reconnaissance technical field, concretely relates to sandy soil layer is exploration equipment for tunnel track.

Background

With the gradual increase of population, urban traffic congestion is more and more serious, and the construction of underground tunnels such as railway tunnels, highway tunnels and urban subways is also rapidly developed. Geological data exploration is required before the underground tunnel construction, and the conventional exploration method comprises the means of geological investigation, drilling, geophysical prospecting, testing and the like. The tunnel exploration needs to detect and investigate the geological and geomorphic conditions such as topography, geological structure, lithology, fault, weathering fracture zone and the like of the route selection section, and determine the concrete position, property and width of the rock stratum, especially the weak rock stratum, which will be encountered after the tunnel excavation; different stability sections of surrounding rocks and possible flooding sections of underground water and harmful gases are determined, and the like.

Underground tunnel geological structures are various, such as loess with a large pore structure, water-rich fully weathered granite, a water-rich fault fracture zone, a debris flow stratum, a sandy gravel stratum, a loose accumulation body and the like. For sandy soil layers which are widely distributed all over the country, exploration difficulty is high due to the poor characteristics of loose structure, difficult pore forming, easy hole collapse and the like. In the prior art, exploration equipment for sandy soil layers, such as a geological exploration system for shield overlapping tunnel construction of a deep sandy mucky soil layer with application publication number CN112782389A, is disclosed, which comprises a soil sampling mechanism, a geological exploration mechanism and an environment exploration mechanism, wherein the soil sampling mechanism comprises a movable vehicle plate, the upper end of the movable vehicle plate is fixedly provided with a storage battery and a central processing unit, the upper end of the front side of the movable vehicle plate is fixedly connected with a fixed cylinder, a threaded cylinder is rotatably sleeved in the fixed cylinder through a ball bearing, a hollow pipe is sleeved in an internal thread of the threaded cylinder, the upper end of the movable vehicle plate is provided with a through hole for penetrating through the hollow pipe, the outer wall of the threaded cylinder is fixedly sleeved with a driven gear, the upper end of the movable vehicle plate is fixedly provided with a rotating motor, and an output shaft at the upper end of the rotating motor is fixedly connected with a driving gear meshed with the driven gear; the exploration system has the advantages of being capable of quickly carrying out geological exploration, guaranteeing exploration quality and improving exploration efficiency. But has no targeted improvement on the characteristics of loose structure, easy hole collapse and the like of the sandy soil layer.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a sandy soil layer is exploration equipment for tunnel track, this exploration equipment is to the loose and characteristics such as hole of collapsing of sandy soil layer structure, through being equipped with the baffle in the detection equipment periphery, can prevent that the soil layer from becoming flexible or the hole of collapsing influences the detection, easy operation, the practicality is strong.

In order to achieve the above object, the present invention provides the following technical solutions:

the exploration equipment for the sandy soil layer tunnel track comprises a central pipe and detection equipment arranged in the central pipe, wherein a baffle is arranged in the circumferential direction of the central pipe and moves back and forth relative to the detection equipment through a linear driving mechanism so as to prevent soil layer loosening or hole collapse from influencing detection.

Preferably, at least two groups of baffles are arranged on the periphery of the central pipe, and each group of baffles is connected with one group of linear driving mechanisms.

As preferred, baffle both ends are equipped with outer block portion and interior block portion respectively to make the mutual block of adjacent baffle form closed circle, support each other through the block structure of outer block portion with interior block portion, improve the stability and the stress intensity of baffle, better protection detecting equipment.

Preferably, the linear driving mechanism comprises a linear motor arranged on the central tube, a screw rod connected with the linear motor and a sliding block in threaded connection with the screw rod, the baffle is fixedly arranged on the sliding block, and the linear motor works to drive the baffle to move back and forth.

Preferably, the detection device comprises a camera, a temperature probe, a humidity probe and a gas detector, and is used for detecting geological data such as soil texture at the drill hole, temperature and humidity in a soil layer, whether harmful gas gushes out of the site and the like.

Preferably, the peripheral side of the detection equipment is also provided with an air nozzle which is externally connected with an air pump through an air pipe and used for cleaning the sandy soil covered on the detection equipment.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an exploration equipment is to characteristics such as the loose and easy hole of collapsing of sandy soil layer structure, through being equipped with the baffle in the exploration equipment periphery, can prevent that the soil layer from becoming flexible or the hole of collapsing from influencing the detection, easy operation, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of an exploration apparatus for a sandy soil layer tunnel track in embodiment 1.

Fig. 2 is a schematic structural view of a baffle plate in the exploration equipment for the sandy soil layer tunnel track in embodiment 2.

Fig. 3 is a schematic structural view of the exploration apparatus for the sandy soil layer tunnel track in embodiment 3.

In the drawings: 1-central tube, 2-detecting device, 3-baffle, 31-external clamping part, 32-internal clamping part, 4-linear driving mechanism, 41-linear motor, 42-screw rod, 43-slide block, 5-air nozzle and 6-air tube.

Detailed Description

Example 1: the utility model relates to a preferred embodiment provides sandy soil layer is exploration equipment for tunnel track, include center tube 1 and locate the detecting device 2 in the center tube 1, 1 circumference of center tube is equipped with

baffle

3, and 2 back-and-forth movements of baffle 3 relative detecting device through linear drive mechanism 4, and it is to characteristics such as the loose and easy hole of collapsing of sandy soil layer structure, after drilling equipment punches, cooperates propulsion device to impel this exploration equipment to the drilling in, is equipped with baffle 3 through 2 peripheries at detecting device, can prevent that the not hard up or hole of collapsing of soil layer from influencing and surveying, easy operation, the practicality is strong.

At least two groups of baffles 3 are arranged on the central pipe 1 in the circumferential direction, and gaps exist between adjacent baffles 3 or the baffles are mutually attached; each group of baffles 3 is connected with a group of linear driving mechanisms 4; the linear driving mechanism 4 comprises a linear motor 41 installed on the central tube 1, a screw rod 42 connected with the linear motor 41, and a sliding block 43 in threaded connection with the screw rod 42, the baffle 3 is fixedly installed on the sliding block 43, and the linear motor 41 works to drive the movable plate 3 to move back and forth.

When the propelling device drills a hole downwards, the linear motor 41 works to drive the screw rod 42 to rotate, the sliding block 43 moves reversely along the length of the screw rod 42 and drives the baffle 3 to move relative to the detection device 2, the detection device 2 is shielded, and the detection device 2 is prevented from being shielded by soil layers when the soil layers are loosened or collapse holes; when the detection position is reached, the linear motor 41 operates to move the apron 3 in the reverse direction with respect to the detection device 2, to expose the detection device 2, and to perform detection.

The detection device 2 comprises a camera, a temperature probe, a humidity probe, a gas detector and the like, and detects geological data such as soil texture at a drilling position, temperature and humidity in a soil layer, whether harmful gas gushes out of a section and the like.

Example 2: the utility model provides a preferred embodiment provides sandy soil layer exploration equipment for tunnel track, its difference with above-mentioned embodiment only lies in: two ends of the baffle 3 are respectively provided with an outer clamping part 31 and an inner clamping part 32, and two ends of the baffle 3 are clamped with the outer clamping part 31 or the inner clamping part 32 of the adjacent baffle 3 so that the adjacent baffles 3 are clamped with each other to form a closed circle; the adjacent baffle 3 supports each other through the block structure of outer block portion 31 and interior block portion 32, improves the stability and the stress intensity of baffle 3, better protection detecting equipment 2.

Example 3: the utility model relates to a preferred embodiment provides sandy soil layer is exploration equipment for tunnel track, its difference with above-mentioned embodiment only lies in: the periphery of the detection device 2 is also provided with an air nozzle 5, and the air nozzle 5 is externally connected with an air pump through an air pipe 6 and used for cleaning sandy soil covered on the detection device 2.

Claims

1. Sand texture soil layer is exploration equipment for tunnel track, its characterized in that, including center tube (1) and locate detection equipment (2) in center tube (1), center tube (1) circumference is equipped with baffle (3), and baffle (3) are through linear drive mechanism (4) relative detection equipment (2) back-and-forth movement to it surveys to prevent that the soil layer is not hard up or hole collapsing influence.

2. The exploration equipment for the sandy soil layer tunnel track according to claim 1, wherein the central tube (1) is circumferentially provided with at least two sets of baffles (3), and each set of baffles (3) is connected with a set of linear driving mechanisms (4).

3. The exploration equipment for the sandy soil layer tunnel track according to claim 2, wherein two ends of the baffle plate (3) are respectively provided with an outer clamping portion (31) and an inner clamping portion (32) so that adjacent baffle plates (3) are clamped with each other to form a closed circle.

4. The exploration equipment for the sandy soil layer tunnel track according to claim 2, wherein the linear driving mechanism (4) comprises a linear motor (41) installed on the central pipe (1), a screw rod (42) connected with the linear motor (41) and a sliding block (43) in threaded connection with the screw rod (42), the baffle (3) is fixedly installed on the sliding block (43), and the linear motor (41) works to drive the baffle (3) to move back and forth.

5. Exploration equipment for sandy soil layer tunnel tracks according to claim 1, characterized in that the detection equipment (2) comprises a camera, a temperature probe, a humidity probe and a gas detector.

6. The exploration equipment for the sandy soil layer tunnel track according to claim 5, wherein air nozzles (5) are further arranged on the periphery of the detection equipment (2), and the air nozzles (5) are externally connected with an air pump through an air pipe (6) and used for cleaning sandy soil coated on the detection equipment (2).