Expansion packer for underground detection

Abstract

The utility model provides an expansion packing device for underground detection, which belongs to the technical field of underground detection and comprises a support mechanism, the support mechanism comprises a lifting ring, a main cylinder is slidably sleeved in an inner cavity of the lifting ring, an expansion mechanism is fittingly arranged on the main cylinder, and an electric drive mechanism is fittingly arranged on the lifting ring. The expansion mechanism comprises an external hanging lug inserted into the side face of the main cylinder body, a bent rod is rotationally connected to the side opposite to the external hanging lug, the end face of the bent rod is rotationally sleeved with a climbing buckle, a cross arm is connected to the surface of the bent rod in an inserted mode, and a motor sealing pressing ring is fixedly connected to the lower surface of the lifting ring. The supporting mechanism, the expanding mechanism and the electric driving mechanism are arranged in a matched mode, so that when the expanding mechanism expands and supports the electric driving mechanism, the expanding mechanism can be stabilized by the supporting mechanism, the lifting ring and the main body barrel body are slidably arranged in a sleeved mode, the bent rod can be driven to be bent outwards, and then physical expansion protection is conducted on the main body barrel body.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the underground detection technical field, more particularly to an expansion packer device for underground detection. BACKGROUND

[0002] The expansion packer device for underground detection is a technical equipment for hydrogeological detection, mainly used for collecting hydrological and related data required for the development and utilization of water resources. This device plays an important role in field operations, especially in areas where the hydrological station network is sparse or cannot provide sufficient hydrological data. It can be adjusted according to different depths to meet different hydrological and water quality investigation needs.

[0003] In the prior art, such as the oilfield packer testing device with the application number 202321317066.4, a metal pipe is fixedly connected with a one-way valve and a pressure sensor at one end, an internal packer is arranged in the metal pipe, an external packer inflation member is fixedly sleeved on the outside of the packer, and a bolt and a support shaft are arranged at both ends of the internal packer.

[0004] In the above, the cooperation of the packer and the support shaft through the inflation member basically realizes the function of convenient maintenance. However, the inflation effect of the inflation member in the device is determined by the elastic material. In the face of complex and changing use environments such as oil fields and soil, the elastic material will become brittle and soft, which leads to the fact that the inflation effect cannot be fully realized, the actual effect is very limited, and the overall device is very difficult to use. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an expansion packer device for underground detection, which aims to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An expansion packer device for underground detection, comprising a support mechanism, the support mechanism comprising a lifting ring, the inner cavity of the lifting ring being slidably sleeved with a main body barrel, the main body barrel being provided with a expansion mechanism in cooperation, and the lifting ring being provided with an electric drive mechanism in cooperation;

[0008] The expansion mechanism comprises an external hanging ear inserted into the side surface of the main body barrel, the opposite side of the external hanging ear being rotatably connected with a bent rod, the end surface of the bent rod being rotatably sleeved with a clamping buckle, and the surface of the bent rod being insertedly connected with a horizontal arm, and the lower surface of the lifting ring being fixedly connected with a motor seal compression ring.

[0009] As one preferred scheme of the utility model, the side surface of the lifting ring is connected with a clamping block through clamping connection, the end surface of the clamping block is connected with a pressure sensor through plug-in connection, and the surface of the main barrel is connected with an elastic body through sliding connection.

[0010] As one preferred scheme of the utility model, the lower surface of the lifting ring is provided with an adaptive groove, the adaptive groove is connected with a top pier through plug-in connection, the bottom of the top pier is fixedly connected with a corrugated sleeve, and the corrugated sleeve is connected with a stepper motor through straight shaft plug-in connection.

[0011] As one preferred scheme of the utility model, the electric drive mechanism further comprises a silica gel sleeve, the silica gel sleeve is an integrally-formed circular fastening ring, the bottom of the silica gel sleeve is fixedly connected with a machine shell, and the machine shell is consistent with the center of the stepper motor.

[0012] As one preferred scheme of the utility model, the lower surface of the stepper motor is adapted to be mounted with a transmission lead screw, and the lower surface of the machine shell is plugged with a power supply.

[0013] As one preferred scheme of the utility model, the motor sealing compression ring is adapted to be mounted with the electric drive mechanism, the main barrel is adapted to be mounted with a flange edge, and the top of the flange edge is fixedly connected with a top sealing compression ring.

[0014] As one preferred scheme of the utility model, a plurality of groups of the bent rods and the cross arms are arranged in a ring array.

[0015] Compared with the prior art, the utility model has the beneficial effects that: (1) through the cooperation of the supporting mechanism, the expansion mechanism and the electric drive mechanism, when the expansion mechanism supports the expansion of the electric drive mechanism, the supporting mechanism can stably support the expansion mechanism, the sliding sleeve of the lifting ring and the main barrel can drive the bent rod to bend outward, thereby physically expanding and protecting the main barrel, the rotation cooperation of the external hanging ear, the clamping buckle and the bent rod enables the bent rod to be supported by the fixing piece at the top and the bottom when rotating, the expansion effect is more stable and efficient, the plug-in connection of the bent rod and the cross arm enables the elastic body to stably adapt to the cross arm, realizes the elastic expansion protection function of the main barrel, and the fixed connection of the lifting ring and the motor sealing compression ring enables the electric drive mechanism to be directly fixed, thereby facilitating positioning during expansion.

[0016] (2) Through the ring-shaped arrangement of a plurality of groups of the bent rods and the cross arms, the expansion effect is more comprehensive and consistent, and the main barrel is prevented from shaking. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise of not deviating from the connotation of the present application.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0019] Figure 2 It is a schematic diagram of the side view structure of all parts of the present application.

[0020] Figure 3 It is a schematic diagram of the detailed structure of the expansion mechanism in the present application.

[0021] Figure 4 It is a schematic diagram of the detailed structure of the electric drive mechanism in the present application.

[0022] In the figure: 100, support mechanism; 101, lifting ring; 102, main body barrel; 103, flange edge; 104, top sealing compression ring; 105, motor sealing compression ring; 200, expansion mechanism; 201, external hanging ear; 202, bent rod; 203, cross arm; 204, climbing buckle; 205, pressure sensor; 206, clamping block; 207, elastic body; 300, electric drive mechanism; 301, top pier; 302, corrugated sleeve; 303, silica gel sleeve; 304, machine shell; 305, stepping motor; 306, transmission screw; 307, power supply. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0024] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without deviating from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0026] Embodiment 1

[0027] Referring to Figures 1-2 For the first embodiment of the utility model, the embodiment provides an expansion sealing device for underground detection, which comprises a supporting mechanism 100, the supporting mechanism 100 comprises a lifting ring 101, the inner cavity of the lifting ring 101 is slidably sleeved with a main barrel 102, the main barrel 102 is provided with an expansion mechanism 200 in a matched mode, and the lifting ring 101 is provided with an electric drive mechanism 300 in a matched mode.

[0028] The expansion mechanism 200 comprises an external lug 201 inserted into the side surface of the main barrel 102, the opposite side of the external lug 201 is rotationally connected with a bent rod 202, the end surface of the bent rod 202 is rotationally sleeved with a clamping buckle 204, and the surface of the bent rod 202 is inserted and connected with a cross arm 203; the lower surface of the lifting ring 101 is fixedly connected with a motor sealing compression ring 105.

[0029] Specifically, the supporting mechanism 100, the expansion mechanism 200 and the electric drive mechanism 300 are arranged in a matched mode, so that the expansion mechanism 200 can be stably supported by the supporting mechanism 100 when supporting the expansion of the electric drive mechanism 300; the sliding sleeve of the lifting ring 101 and the main barrel 102 can drive the bent rod 202 to bend outward, thereby physically expanding and protecting the main barrel 102; the rotational cooperation of the external lug 201, the clamping buckle 204 and the bent rod 202 enables the top and bottom of the bent rod 202 to be supported by the fixing member when rotating, so that the expansion effect is more stable and efficient; the insertion of the bent rod 202 and the cross arm 203 enables the elastic body 207 to stably adapt to the cross arm 203, thereby realizing the elastic expansion protection function of the main barrel 102; the fixed connection of the lifting ring 101 and the motor sealing compression ring 105 enables the electric drive mechanism 300 to be directly fixed, thereby facilitating positioning during expansion.

[0030] Further, the side surface of the lifting ring 101 is clamped and connected with a clamping block 206, the end surface of the clamping block 206 is inserted and connected with a pressure sensor 205, and the surface of the main barrel 102 is slidably connected with an elastic body 207.

[0031] Preferably, the clamping block 206 is clamped and connected with the lifting ring 101, so that the pressure sensor 205 can stably read the expansion data and timely feedback the stress state during expansion.

[0032] It should be noted that the lower surface of the lifting ring 101 is provided with an adaptive groove, the adaptive groove is inserted and connected with a top pier 301, the bottom of the top pier 301 is fixedly connected with a corrugated sleeve 302, and the corrugated sleeve 302 is inserted and connected with a stepping motor 305 through a straight shaft.

[0033] In use, the lifting ring 101 is connected with the top pier 301, so that the electric drive mechanism 300 provides power source for the expansion mechanism 200, and the corrugated sleeve 302 is fixedly connected with the top pier 301, so that the corrugated sleeve 302 can be lifted to protect the outside of the stepping motor 305, the stepping motor 305 is prevented from being waterlogged, and the stepping motor 305 runs more stably and uniformly.

[0034] Embodiment 2

[0035] With reference to Figures 2-3 For the second embodiment of the utility model, different from the previous embodiment, the embodiment provides related parts for realizing the stable pushing effect of the electric drive mechanism 300.

[0036] Specifically, the electric drive mechanism 300 further comprises a silica gel sleeve 303, the silica gel sleeve 303 is an integrally-formed circular fastening ring, and the bottom of the silica gel sleeve 303 is fixedly connected with a machine shell 304, and the machine shell 304 is consistent with the center of the stepping motor 305.

[0037] Further, the silica gel sleeve 303 is fixedly connected with the machine shell 304, so that the machine shell 304 is externally covered and protected, and the silica gel sleeve 303 cooperates with the corrugated sleeve 302, so that the electric drive mechanism 300 is provided with more comprehensive covering and protecting functions.

[0038] In use, the lower surface of the stepping motor 305 is adaptedly installed with a transmission screw rod 306, and the lower surface of the machine shell 304 is inserted with a power supply device 307.

[0039] In summary, the stepping motor 305 is adaptedly installed with the transmission screw rod 306, so that the power of the output end of the stepping motor 305 can be directly transmitted, and the expansion mechanism 200 can also be made to have more durable expansion supporting effect, the power supply device 307 is inserted with the machine shell 304, so that the stepping motor 305 is supplied with power and can better output power.

[0040] Embodiment 3

[0041] With reference to Figures 2-4 For the third embodiment of the utility model, different from the previous embodiment, the embodiment provides related parts for realizing the complete expansion effect of the main body barrel 102.

[0042] Specifically, the motor sealing compression ring 105 is adaptedly installed with the electric drive mechanism 300, the main body barrel 102 is adaptedly installed with a flange edge 103, and the top of the flange edge 103 is fixedly connected with a top sealing compression ring 104.

[0043] Further, the motor sealing compression ring 105 is adapted with the electric drive mechanism 300, so that the electric drive mechanism 300 is stably supported, and the flange edge 103 is fixedly connected with the top sealing compression ring 104, so that the main body barrel 102 is stably supported.

[0044] In use, the plurality of sets of bent rods 202 and cross arms 203 are arranged in a ring array.

[0045] In summary, the ring arrangement of the plurality of sets of bent rods 202 and cross arms 203 makes the expansion effect more comprehensive and consistent, avoiding the shaking of the main barrel 102.

[0046] Working principle: first, connect the PWM with the power supply 307, which is used for the power supply and driving of the stepper motor 305, then drive the transmission screw rod 306 synchronously, the silica gel sleeve 303 is fixedly sleeved on the surface of the transmission screw rod 306, which is used for waterproofing the shell 304, then the transmission screw rod 306 will push the top pier 301 and the lifting ring 101 to displace, in the displacement process, the climbing buckle 204 drives the bent rod 202 to bend and stretch, the cross arm 203 arranged on the side of the bent rod 202 will drive the elastic body 207 to stretch elastically, helping the elastic body 207 to completely cover the main barrel 102, and the pressure sensor 205 is responsible for detecting the expansion force and feeding back the expansion state.

[0047] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various example embodiments are merely illustrative. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the generality of the application. In the claims, any "means plus function" clause is intended to cover the structures described herein as performing the recited functionality, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the example embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

[0048] Furthermore, in order to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the best mode of practicing the present inventive subject matter, or those that are well-known).

[0049] It is to be understood that the development making of the numerous implementation decisions during the development of any embodiment is a reality of design and / or engineering. Such development effort might be complex and time consuming but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0050] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application, and all modifications and equivalent replacements should be included in the scope of the claims of the present application.

Claims

1. An inflatable packer for subsurface detection, characterized by: Including support mechanism (100), the support mechanism (100) includes lifting ring (101), the inner cavity of lifting ring (101) is sleeved with main body barrel (102), the main body barrel (102) is provided with expansion mechanism (200) in cooperation, and the lifting ring (101) is provided with electric drive mechanism (300) in cooperation, The expansion mechanism (200) includes the outer hanging ear (201) inserted in the side surface of the main body barrel (102), the opposite side of the outer hanging ear (201) is rotatably connected with the bent rod (202), the end surface of the bent rod (202) is rotatably sleeved with the climbing buckle (204), and the surface of the bent rod (202) is insertedly connected with the cross arm (203), and the lower surface of the lifting ring (101) is fixedly connected with the motor sealing compression ring (105).

2. An inflatable packer for use in subterranean detection according to claim 1, wherein: The side surface of the lifting ring (101) is clampedly connected with the clamping block (206), the end surface of the clamping block (206) is insertedly connected with the pressure sensor (205), and the surface of the main body barrel (102) is slidably connected with the elastomer (207).

3. An inflatable packer for use in subterranean detection according to claim 1, wherein: The lower surface of the lifting ring (101) is provided with an adaptive slot, the adaptive slot is insertedly connected with the top pier (301), the bottom of the top pier (301) is fixedly connected with the corrugated sleeve (302), and the corrugated sleeve (302) is connected with the stepping motor (305) through straight shaft insertion.

4. An inflatable packer for use in subterranean detection according to claim 1, wherein: The electric drive mechanism (300) further includes a silica gel sleeve (303), the silica gel sleeve (303) is an integral annular fastening ring, and the bottom of the silica gel sleeve (303) is fixedly connected with the machine shell (304), and the center of the machine shell (304) is consistent with the stepping motor (305).

5. An inflatable packer for use in subterranean detection according to claim 4, wherein: The lower surface of the stepping motor (305) is adaptively mounted with a transmission lead screw (306), and the lower surface of the machine shell (304) is inserted with a power supply (307).

6. An inflatable packer for use in subterranean detection according to claim 1, wherein: The motor sealing compression ring (105) and the electric drive mechanism (300) are adaptively mounted, the main body barrel (102) is adaptively mounted with a flange edge (103), and the top of the flange edge (103) is fixedly connected with a top sealing compression ring (104).

7. An inflatable packer for use in subterranean detection according to claim 1, wherein: The bent rod (202) and the cross arm (203) are provided with multiple groups, and multiple groups of the bent rod (202) and the cross arm (203) are arranged in a ring array.

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