CN-224216334-U - Multiple pipe impact coring device

CN224216334UCN 224216334 UCN224216334 UCN 224216334UCN-224216334-U

Abstract

The utility model relates to the technical field of exploration, in particular to a multiple tube impact coring device capable of quickly, completely and orderly collecting core samples, which comprises an impact connector arranged on the rear side or connected to an impactor, an outer tube connected to the impact connector through an outer tube connector, wherein the front part of the impact connector is connected with rear side internal threads of the outer tube connector, the rear part of the outer tube is connected with front side internal threads of the outer tube connector, an inner tube removably arranged in the outer tube, a transparent core tube arranged in the inner tube, and a front side coring bit sleeved at the front end of the outer tube.

Inventors

DU YUBEN
LIU LIU
SUN LAIBIN
HOU XUTAO
Ju Mingfeng
SUN WEN
DING MAOLIN
ZENG XIANMING
ZHANG JIAN
QI CHUANSHENG
MA TAO
ZHU ZHENHUA
BAI XUEFEI

Assignees

中铁工程设计咨询集团有限公司

Dates

Publication Date: 20260508
Application Date: 20250526

Claims (8)

1. A multiple tube impact coring device, comprising: an impact connector on the rear side provided with or connected to an impactor; An outer tube connected to the impact connector by an outer tube connector, a front portion of the impact connector being connected to a rear side internal thread of the outer tube connector, a rear portion of the outer tube being connected to a front side internal thread of the outer tube connector; an inner tube removably disposed in the outer tube; A transparent core tube disposed in the inner tube; and the core bit at the front side is sleeved at the front end of the outer tube.
2. The multiple tube impact coring apparatus of claim 1 wherein, The diameter of the rear internal thread of the outer pipe joint is smaller than the diameter of the front internal thread.
3. The multiple tube impact coring apparatus of claim 1 wherein, The inner pipe comprises a rear section inner pipe and a front section inner pipe which are connected with each other through an inner pipe joint.
4. The multiple tube impact coring apparatus of claim 3 wherein, The rear section inner pipe and the front section inner pipe are connected with each other through the inner pipe joint through threads.
5. The multiple tube impact coring apparatus of claim 3 wherein, The transparent core tube comprises a back section core tube aligned with the back section inner tube and a front section core tube aligned with the front section inner tube.
6. The multiple tube impact coring apparatus of claim 5 wherein, The rear core tube is positioned with its front end against the inner tube fitting.
7. The multiple tube impact coring apparatus of claim 5 wherein, The front core tube is positioned with its rear end against the inner tube fitting.
8. The multiple tube impact coring apparatus of claim 1 wherein, The core bit is connected with the external thread of the outer tube through the internal thread of the bit.

Description

Multiple pipe impact coring device Technical Field The utility model relates to the technical field of exploration, in particular to a multi-pipe impact coring device. Background With the large-scale construction of national foundation engineering, the introduction of initial route design investigation and advanced geological forecast schemes leads to more and more coring in construction sites. The existing multiple tube impact coring technology cannot well guarantee the integrity of core samples of cores, and meanwhile, the front-back sequence of core samples cannot be well guaranteed and time is wasted when the core samples are manually placed and transferred. Disclosure of utility model The embodiment of the utility model provides a multi-tube impact coring device which can collect core samples rapidly, completely and orderly. According to an embodiment of the present utility model, there is provided a multiple tube impact coring device, comprising: an impact connector on the rear side provided with or connected to an impactor; An outer tube connected to the impact connector by an outer tube connector, a front portion of the impact connector being connected to a rear side internal thread of the outer tube connector, a rear portion of the outer tube being connected to a front side internal thread of the outer tube connector; an inner tube removably disposed in the outer tube; A transparent core tube disposed in the inner tube; and the core bit at the front side is sleeved at the front end of the outer tube. Preferably, in any of the embodiments, The diameter of the rear internal thread of the outer pipe joint is smaller than the diameter of the front internal thread. Preferably, in any of the embodiments, The inner pipe comprises a rear section inner pipe and a front section inner pipe which are connected with each other through an inner pipe joint. Preferably, in any of the embodiments, The rear section inner pipe and the front section inner pipe are connected with each other through the inner pipe joint through threads. Preferably, in any of the embodiments, The transparent core tube comprises a back section core tube aligned with the back section inner tube and a front section core tube aligned with the front section inner tube. Preferably, in any of the embodiments, The rear core tube is positioned with its front end against the inner tube fitting. Preferably, in any of the embodiments, The front core tube is positioned with its rear end against the inner tube fitting. Preferably, in any of the embodiments, The core bit is connected with the external thread of the outer tube through the internal thread of the bit. Preferably, the following features may be included in embodiments of the utility model: the multi-tube impact coring device provided by the embodiment of the utility model can quickly, completely and orderly collect core samples. Drawings In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following discussion will discuss the embodiments or the drawings required in the description of the prior art, and it is obvious that the technical solutions described in connection with the drawings are only some embodiments of the present utility model, and that other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without inventive effort for a person skilled in the art. FIG. 1 is a schematic structural view of a multiple tube impact coring device in accordance with an embodiment of the present utility model. Detailed Description The following description of the embodiments of the present utility model will be made in detail with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person of ordinary skill in the art without the need for inventive faculty, are within the scope of the utility model, based on the embodiments described in the present utility model. The embodiment of the utility model provides a multi-tube impact coring device which can collect core samples rapidly, completely and orderly. According to an embodiment of the present utility model, there is provided a multiple tube impact coring device, comprising: an impact connector on the rear side provided with or connected to an impactor; An outer tube connected to the impact connector by an outer tube connector, a front portion of the impact connector being connected to a rear side internal thread of the outer tube connector, a rear portion of the outer tube being connected to a front side internal thread of the outer tube connector; an inner tube removably disposed in the outer tube; A transparent core tube disposed in the inner tube; and the core bit at the front side is sleeved at the front end of the outer tube. In this way, the outer tube is connected