CN202450560U

CN202450560U - Tool for sampling mud at hole bottom of cast-in-place pile

Info

Publication number: CN202450560U
Application number: CN2012200636352U
Authority: CN
Inventors: 金健; 周荣祥; 倪炜; 胡斌; 吕舜远
Original assignee: ZHEJIANG CONSTRUCTION SUPERVISION Co Ltd
Current assignee: ZHEJIANG CONSTRUCTION SUPERVISION Co Ltd
Priority date: 2012-02-27
Filing date: 2012-02-27
Publication date: 2012-09-26
Anticipated expiration: 2022-02-27

Abstract

The utility model discloses a tool for sampling mud at the hole bottom of a cast-in-place pile. The tool comprises a sampling tank and a pull wire, wherein the length of the pull wire is the same as that of the cast-in-place pile; the sampling tank comprises a tank body of which the two ends are provided with openings; an upper cover plate is arranged on a tank opening on the top of the tank body; a lower cover plate is arranged on a tank opening at the bottom of the tank body; the upper cover plate and the lower cover plate are in hinged connection with the outer wall of the tank body; a through hole is formed in the center of the upper cover plate; and the pull wire passes through the through hole and the inner cavity of the tank body and is connected with the center of the inner surface of the lower cover plate. Due to the structural design of the sampling tank of which the two ends can be opened and closed, the mud at the hole bottom of the cast-in-place pile can be lifted by the sampling tank in a sealing mode, so that the phenomenon of test data distortion caused by adhering the mud on a hole wall to the sampling tank in the lifting process is prevented, and the hole cleaning quality of the cast-in-place pile is improved.

Description

A kind of pouring pile hole bottom slurry sampling instrument

Technical field

The utility model relates to a kind of sampling appliance, refers more particularly to a kind of can the sampling and castinplace pile mud sampling instrument simple in structure by deep hole.

Background technology

In the foundation construction operation of construction work; In order to guarantee the Bored Pile Construction quality, when priming concrete pile hole being carried out the operation of the clear hole of mud off, need to detect the performance indications of pouring pile hole bottom slurry; See and whether reach hole requirement clearly; But because priming concrete pile hole is a deep hole, the mud sampling at the bottom of the hole is difficult for, and directly the mud at the bottom of the hole is extracted like the sampling container that adopts opening; Sampling container is stained with hole wall mud easily and causes hole bottom slurry to detect data distortion in leaching process, influences the construction quality of pile foundation engineering.

The utility model content

When the utility model mainly solved the drill-pouring pile hole construction, common sampling container was stained with hole wall mud easily and causes hole bottom slurry to detect the technical problem that data distortion influences the clear hole of castinplace pile quality when taking a sample; Provide the sampling of a kind of ability deep hole, hole bottom slurry to be not easy to be interfered, make simple pouring pile hole bottom slurry sampling instrument by the external world.

In order to solve the technical problem of above-mentioned existence, the utility model mainly is to adopt following technical proposals:

A kind of pouring pile hole bottom slurry sampling instrument of the utility model comprises sampling jar and backguy, and the length of said backguy and castinplace pile matches; Said sampling jar comprises tank body, and said tank body both ends open is provided with upper cover plate on the jar mouth of the top of tank body; On the jar mouth of the bottom of tank body, be provided with lower cover, said upper cover plate is connected with the tank wall hinge with lower cover, and sampling jar adopts the able to turn on or off structure design in two ends; Sampling jar is opened at the bottom of the hole of priming concrete pile hole at an easy rate, and sampling is convenient, and when pull-up promotes; Because the action of gravity of tank body and cover plate itself, make tank body and cover plate up and down form the sampling jar of sealing, the interior mud of jar is not vulnerable to the interference in the external world; It is accurate that hole bottom slurry detects data, improved the clear hole quality of priming concrete pile hole.

As preferably, said sampling jar material is a metal, is not easy to damage, and increases the service life.

As preferably, said upper cover plate central authorities are provided with through hole, and said backguy is passed through hole and is connected with the inner surface central authorities of lower cover with tank inner chamber, and during lifting, through the own wt of sampling jar, cover plate and tank body can form the sampling jar of a sealing up and down.

As preferably, said tank body is cylindric, and said upper cover plate and lower cover are in the form of annular discs, and the jar of upper cover plate and lower cover and tank body mouthful matches.

As preferably, the jar of said tank body is mouthful tapered, and the vertex of a cone is towards tank inner chamber, and said cover plate inboard is frustum, and said frustum and tapered shaped can mouth match, and be simple in structure, good sealing effect.

The beneficial effect of the utility model is: adopt the able to turn on or off sampling jar structure design in two ends; Mud at the bottom of the priming concrete pile hole is promoted through the sampling jar sealing; Avoided that sampling jar is stained with hole wall mud and causes the detection data distortion in the lifting process, improved the clear hole quality of castinplace pile.

Description of drawings

Fig. 1 is the contour structures sketch map of the utility model.

1. backguys among the figure, 2. tank body, 3. upper cover plate, 4. lower cover, 5. hinge, 6. through hole.

The specific embodiment

Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.

Embodiment: a kind of pouring pile hole bottom slurry sampling instrument of present embodiment, as shown in Figure 1, comprise sampling jar and backguy 1; The length of backguy and castinplace pile matches, and sampling jar comprises tank body 2, the tank body both ends open; On the jar mouth of the top of tank body, be designed with upper cover plate 3, on the jar mouth of the bottom of tank body, be designed with lower cover 4, upper cover plate all is connected with tank wall hinge 5 with lower cover; The sampling jar material is a metal, and it is cylindric that tank body is, and jar mouth is tapered; The vertex of a cone is towards tank inner chamber, and upper cover plate and lower cover are in the form of annular discs, and the cover plate inboard is frustum; Frustum and tapered shaped can mouth match, and have through hole 6 in the central authorities of upper cover plate, and backguy is passed through hole and is connected with the inner surface central authorities of lower cover with tank inner chamber; In use, sampling jar directly is put at the bottom of the hole of priming concrete pile hole through backguy and rocks sampling jar, sampling jar is tilted, backguy is lax; The cover plate up and down at two ends is opened, and the mud at the bottom of the priming concrete pile hole gets into the sampling jar inner chamber, strains backguy then and promotes sampling jar; This moment tank body upright, lower cover under the backguy effect with tight-lipped close the compressing of bottom jar, and upper cover plate also under action of gravity and top jar mouth compress; Make sampling jar form an airtight container, hole bottom slurry is sealed in the sampling jar, in uphill process, can not be stained with hole wall mud; Hole bottom slurry in jar is difficult for interfering with extraneous, and it is accurate that hole bottom slurry detects data, improved the clear hole quality of priming concrete pile hole.

More than explanation is not that the utility model has been done restriction; The utility model also is not limited only to giving an example of above-mentioned explanation; The variation that those skilled in the art have done in the essential scope of the utility model, retrofit, increase or replace, all should be regarded as the protection domain of the utility model.

Claims

1. pouring pile hole bottom slurry sampling instrument; It is characterized in that: comprise sampling jar and backguy (1), the length of said backguy and castinplace pile matches, and said sampling jar comprises tank body (2); Said tank body both ends open; On the jar mouth of the top of tank body, be provided with upper cover plate (3), on the jar mouth of the bottom of tank body, be provided with lower cover (4), said upper cover plate is connected with tank wall hinge (5) with lower cover.

2. a kind of pouring pile hole bottom slurry sampling instrument according to claim 1 is characterized in that: said sampling jar material is a metal.

3. a kind of pouring pile hole bottom slurry sampling instrument according to claim 1 is characterized in that: said upper cover plate (3) central authorities are provided with through hole (6), and said backguy (1) is passed through hole and is connected with the inner surface central authorities of lower cover (3) with tank inner chamber.

4. according to claim 1 or 2 or 3 described a kind of pouring pile hole bottom slurry sampling instruments, it is characterized in that: said tank body (2) is cylindric, and said upper cover plate (3) and lower cover (4) are in the form of annular discs, and the jar mouth of upper cover plate and lower cover and tank body matches.

5. a kind of pouring pile hole bottom slurry sampling instrument according to claim 4; It is characterized in that: the jar mouth of said tank body (2) is tapered; The vertex of a cone is towards tank inner chamber, and the inboard of said upper cover plate (3) and lower cover (4) all is frustum, and said frustum and tapered shaped can mouth match.