CN216812682U

CN216812682U - Underground curve crawler

Info

Publication number: CN216812682U
Application number: CN202220373181.2U
Authority: CN
Inventors: 罗东
Original assignee: Shaanxi Hagrien Industrial Co ltd
Current assignee: Shaanxi Hagrien Industrial Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-06-24
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to the technical field of downhole logging instruments, in particular to a crawler for an underground curve, which comprises a shell and a damping component, wherein the shell is provided with a plurality of holes; damping component includes the bottom plate, first spring, the fixed plate, two bracing pieces, two telescopic links, the second spring, the rubber pad, place box and detector, when the collision is surveyed at the crawl device, first spring receives the impact and begins the compression, it slides on the bracing piece to drive the fixed plate, it begins tensile to drive the second spring, slow down the impact, the impact that first spring received is conducted to the telescopic link through the fixed plate, make the telescopic link begin to slide, will strike and conduct to the rubber pad, through the continuous extension and the compression of first spring, the vibrations that take place when continuously slowing down the collision, can protect and place the influence that the detector in the box can not receive the collision when surveying, more accurate surveys the oil well, solve current crawl device can not the absorbing problem.

Description

Underground curve crawler

Technical Field

The utility model relates to the technical field of downhole logging instruments, in particular to a crawler for a downhole curve.

Background

In the field of oil casing well logging, with the development of oil drilling and production technology, the horizontal well technology is becoming mature day by day, and the demand for horizontal well logging is increasing.

Currently, the prior art (CN207513593U) discloses a power and pushing system of a downhole crawler, which includes a circuit short section, a hydraulic control short section and a driving short section; the hydraulic control short section comprises a hydraulic upper joint, a shell and a hydraulic lower joint, and a plunger pump driving motor, a plunger pump, an energy accumulator and a control valve group are arranged in the shell; the driving short section comprises a hydraulic cylinder shell, a driving main body and a motor shell; a driving upper joint, a switch valve, a hydraulic cylinder, an adjusting spring and a push rod are arranged in the hydraulic cylinder shell; the driving main body comprises a pushing arm, a supporting arm and a driving arm; a speed reducer, a driving motor and a driving lower joint are arranged in the motor shell. The variable-diameter pipe column obstacle crossing device has the characteristics of wide application, high reliability, convenience in maintenance and repair and large dragging and crawling force.

However, by adopting the above mode, when the collision occurs in the detection process of the crawler, the crawler cannot be buffered and damped.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an underground curve crawler, and aims to solve the problem that the existing crawler cannot absorb shock.

In order to achieve the above object, the present invention provides an underground curve crawler, which includes a housing and a shock-absorbing assembly; the damping component comprises a bottom plate, a first spring, a fixed plate, two support rods, two telescopic rods, a second spring, a rubber pad, a placing box and a detector, wherein the bottom plate is fixedly connected with the shell and positioned at one side of the shell, the first spring is fixedly connected with the bottom plate and positioned at one side of the bottom plate, the fixed plate is fixedly connected with the first spring and positioned at one side of the first spring, which is far away from the bottom plate, the two support rods are respectively and slidably connected with the fixed plate, respectively and fixedly connected with the bottom plate and respectively positioned at two sides of the fixed plate, the two telescopic rods are respectively and fixedly connected with the fixed plate and respectively positioned at one side of the fixed plate, the second spring is fixedly connected with the fixed plate and positioned at one side of the fixed plate, which is far away from the first spring, the rubber pad is fixedly connected with the second spring, the placing box is fixedly connected with the rubber pad and is positioned on one side of the rubber pad far away from the second spring, and the detector is fixedly connected with the placing box and is positioned on one side of the placing box.

The supporting rod is provided with a sliding groove, and the sliding groove is positioned on one side of the supporting rod close to the fixing plate.

The telescopic rod comprises a first rod and a second rod, the first rod is fixedly connected with the fixing plate and is located on one side of the fixing plate, the first rod is provided with a groove, the groove is located on one side of the first rod, and the second rod is slidably connected with the first rod and is located in the groove.

The shock absorption assembly further comprises two top blocks, and the two top blocks are connected with the placing box in a sliding mode and located on two sides of the detector respectively.

The shell comprises a shell body and a protective layer, the shell body is fixedly connected with the bottom plate and is located on one side of the bottom plate, and the protective layer is fixedly connected with the shell body and is located on one side of the shell body.

The utility model relates to an underground curve crawler, which comprises a shell and a damping component, wherein the shell is provided with a plurality of grooves; the damping component comprises a bottom plate, a first spring, a fixed plate, two support rods, two telescopic rods, a second spring, a rubber pad, a placing box and a detector, wherein the bottom plate is fixedly connected with the shell and positioned on one side of the bottom plate, the first spring is fixedly connected with the bottom plate and positioned on one side of the shell, the bottom plate can support the first spring, the first spring starts to be compressed after being impacted, the fixed plate is fixedly connected with the first spring and positioned on one side of the first spring, which is far away from the bottom plate, the two support rods are respectively in sliding connection with the fixed plate and respectively fixedly connected with the bottom plate and respectively positioned on two sides of the fixed plate, the two telescopic rods are respectively and fixedly connected with the fixed plate and respectively positioned on one side of the fixed plate, and the first spring is compressed, the fixed plate is driven to slide on the supporting rod, the first spring transmits the impact to the telescopic rod, so that the telescopic rod starts to slide, the second spring is fixedly connected with the fixed plate and is positioned on one side of the fixed plate far away from the first spring, the fixed plate slides on the supporting rod, so that the second spring is driven to start to stretch, the impact during vibration is relieved, the rubber pad is fixedly connected with the second spring and is positioned on one side of the second spring far away from the fixed plate, the placing box is fixedly connected with the rubber pad and is positioned on one side of the rubber pad far away from the second spring, the detector is fixedly connected with the placing box and is positioned on one side of the placing box, and the impact is transmitted to the rubber pad after the telescopic rod starts to slide due to the impact transmitted by the first spring, the rubber pad absorbs the impact during the vibration, protects the detector in the placing box, prevents the detector from being influenced by collision, continues to accurately detect the oil well, when the crawler collides during detection, the first spring starts to be compressed by impact, the fixing plate is driven to slide on the supporting rod, the second spring is driven to start to be stretched, the impact is reduced, the impact on the first spring is transmitted to the telescopic rod through the fixing plate, so that the telescopic rod starts to slide and transmits the impact to the rubber pad, the first spring is continuously stretched and compressed to continuously slow down the vibration generated during collision, can protect place the box the detector can not receive the influence of collision when surveying, more accurate surveys the oil well, solves current crawl device can not the absorbing problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a downhole curve crawler according to the present invention.

FIG. 2 is a cross-sectional view of a downhole curved crawler in accordance with the present invention.

Fig. 3 is an enlarged view of a detail a of fig. 2.

1-shell, 2-shock absorption component, 11-shell, 12-protective layer, 21-bottom plate, 22-first spring, 23-fixing plate, 24-supporting rod, 25-telescopic rod, 26-second spring, 27-rubber pad, 28-placing box, 29-detector, 210-top block, 241-sliding groove, 251-first rod, 252-second rod and 2511-groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 3, the present invention provides a downhole curved crawler, which includes a housing 1 and a damping assembly 2; the damping component 2 comprises a bottom plate 21, a first spring 22, a fixing plate 23, two supporting rods 24, two telescopic rods 25, a second spring 26, a rubber pad 27, a placing box 28 and a detector 29, the bottom plate 21 is fixedly connected with the shell 1 and is positioned on one side of the shell 1, the first spring 22 is fixedly connected with the bottom plate 21 and is positioned on one side of the bottom plate 21, the fixing plate 23 is fixedly connected with the first spring 22 and is positioned on one side of the first spring 22 far away from the bottom plate 21, the two supporting rods 24 are respectively in sliding connection with the fixing plate 23 and are respectively fixedly connected with the bottom plate 21 and are respectively positioned on two sides of the fixing plate 23, the two telescopic rods 25 are respectively and fixedly connected with the fixing plate 23 and are respectively positioned on one side of the fixing plate 23, the second spring 26 is fixedly connected with the fixing plate 23, the rubber pad 27 is fixedly connected with the second spring 26 and is positioned at one side of the second spring 26, which is far away from the fixed plate 23, the placing box 28 is fixedly connected with the rubber pad 27 and is positioned at one side of the rubber pad 27, which is far away from the second spring 26, and the detector 29 is fixedly connected with the placing box 28 and is positioned at one side of the placing box 28.

In this embodiment, the bottom plate 21 is fixedly connected to the housing 1 and located at one side of the housing 1, the first spring 22 is fixedly connected to the bottom plate 21 and located at one side of the bottom plate 21, the bottom plate 21 can support the first spring 22, the first spring 22 starts to compress after being impacted, the fixing plate 23 is fixedly connected to the first spring 22 and located at one side of the first spring 22 away from the bottom plate 21, the two support rods 24 are respectively slidably connected to the fixing plate 23 and respectively fixedly connected to the bottom plate 21 and respectively located at two sides of the fixing plate 23, the two expansion rods 25 are respectively fixedly connected to the fixing plate 23 and respectively located at one side of the fixing plate 23, the first spring 22 compresses to drive the fixing plate 23 to slide on the support rods 24, and the first spring 22 transmits the impacted impact to the expansion rods 25, so that the telescopic rod 25 starts to slide, the second spring 26 is fixedly connected with the fixed plate 23 and is located on one side of the fixed plate 23 far away from the first spring 22, the fixed plate 23 slides on the support rod 24 to drive the second spring 26 to start to stretch, so as to reduce the impact during vibration, the rubber pad 27 is fixedly connected with the second spring 26 and is located on one side of the second spring 26 far away from the fixed plate 23, the placing box 28 is fixedly connected with the rubber pad 27 and is located on one side of the rubber pad 27 far away from the second spring 26, the detector 29 is fixedly connected with the placing box 28 and is located on one side of the placing box 28, after the telescopic rod 25 starts to slide due to the impact conducted by the first spring 22, the impact is conducted to the rubber pad 27, and the impact during vibration is absorbed by the rubber pad 27, the detectors 29 in the magazine 28 are protected from impact, and accurate detection of the well continues, with the detectors 29 being protected.

When the collision is surveyed at the crawl device, first spring 22 receives the impact and begins the compression, drives fixed plate 23 is in slide on the bracing piece 24, drive second spring 26 begins tensile, slows down the impact, the impact that first spring 22 received passes through fixed plate 23 conducts to telescopic link 25 makes telescopic link 25 begins to slide, will strike and conduct to rubber pad 27, through the continuous tensile and compression of first spring 22, the vibrations that take place when constantly slowing down the collision can protect place in the box 28 detector 29 can not receive the influence of collision when surveying, more accurately surveys the oil well, solves current crawl device can not the absorbing problem.

Further, the support rod 24 has a sliding groove 241, and the sliding groove 241 is located on a side of the support rod 24 close to the fixing plate 23.

In the present embodiment, the fixing plate 23 is disposed in the sliding groove 241, so that the fixing plate 23 is more stable when sliding.

Further, the telescopic rod 25 comprises a first rod 251 and a second rod 252, the first rod 251 is fixedly connected with the fixing plate 23 and is located at one side of the fixing plate 23, the first rod 251 has a groove 2511, the groove 2511 is located at one side of the first rod 251, and the second rod 252 is slidably connected with the first rod 251 and is located in the groove 2511

In this embodiment, when a shock is applied, the second rod 252 slides in the groove 2511, and the shock is transmitted to the rubber pad 27, and the first rod 251 can ensure the stability of the second rod 252 during sliding.

Further, the shock absorbing assembly 2 further comprises two top blocks 210, and the two top blocks 210 are respectively connected with the placing box 28 in a sliding manner and are respectively located at two sides of the detector 29.

In this embodiment, the top block 210 can be against the detector 29 to prevent the detector 29 from falling off during detection.

Further, the shell 1 includes a shell 11 and a protection layer 12, the shell 11 is fixedly connected to the bottom plate 21 and is located on one side of the bottom plate 21, and the protection layer 12 is fixedly connected to the shell 11 and is located on one side of the shell 11.

In this embodiment, the housing 11 may be placed and bear the shock absorbing assembly 2, and the protective layer 12 may protect the crawler from high temperature in the oil well.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A climbing device for underground curved road is characterized in that,

the downhole curve crawler comprises a shell and a damping component; the damping component comprises a bottom plate, a first spring, a fixed plate, two support rods, two telescopic rods, a second spring, a rubber pad, a placing box and a detector, wherein the bottom plate is fixedly connected with the shell and positioned at the inner side of the shell, the first spring is fixedly connected with the bottom plate and positioned at one side of the bottom plate, the fixed plate is fixedly connected with the first spring and positioned at one side of the first spring, which is far away from the bottom plate, the two support rods are respectively and slidably connected with the fixed plate, respectively and fixedly connected with the bottom plate and respectively positioned at two sides of the fixed plate, the two telescopic rods are respectively and fixedly connected with the fixed plate and respectively positioned at one side of the fixed plate, the second spring is fixedly connected with the fixed plate and positioned at one side of the fixed plate, which is far away from the first spring, and the rubber pad is fixedly connected with the second spring, the placing box is fixedly connected with the rubber pad and is positioned on one side of the rubber pad far away from the second spring, and the detector is fixedly connected with the placing box and is positioned on one side of the placing box.

2. The downhole curve crawler of claim 1,

3. The downhole curve crawler of claim 1,

the telescopic rod comprises a first rod and a second rod, the first rod is fixedly connected with the fixing plate and is positioned on one side of the fixing plate, the first rod is provided with a groove, the groove is positioned on one side of the first rod, and the second rod is slidably connected with the first rod and is positioned in the groove.

4. The downhole curve crawler of claim 1,

the shock absorption assembly further comprises two ejector blocks, and the two ejector blocks are connected with the placing box in a sliding mode and located on two sides of the detector respectively.

5. The downhole curve crawler of claim 1,

the shell comprises a shell body and a protective layer, the shell body is fixedly connected with the bottom plate and is positioned on one side of the bottom plate, and the protective layer is fixedly connected with the shell body and is positioned on one side of the shell body.