Carbon dioxide injection device

Abstract

The invention provides a carbon dioxide injection device, and the device comprises a housing which comprises a housing body and a cover body, the housing body is provided with a containing cavity and an opening, and the cover body is movably arranged at the opening in the vertical direction; the hoisting part is arranged above the cover body; the equipment body is arranged in the accommodating cavity; the clamping assembly comprises a fixing seat, a first driving part, a first clamping part and a second clamping part, the fixing seat is arranged in the containing cavity, the first driving part is arranged on the fixing seat, and the first driving part is in driving connection with the first clamping part and the second clamping part; the second driving piece is arranged on the shell and is in driving connection with the cover body, so that the cover body is provided with a hoisting position flush with the top of the shell and a storage position stored in the containing cavity, and the hoisting part is located in the containing cavity. According to the technical scheme provided by the invention, the problem that the subsequent hoisting operation is affected due to the fact that the hook is located outside the equipment and is easy to collide with other equipment in the prior art can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of oilfield exploitation, and in particular to a carbon dioxide injection device. Background Art

[0002] CO2 injection technology is widely used in oilfield production. It primarily involves injecting CO2 into oil reservoirs to increase oil recovery rates. The CO2 injection system typically includes a CO2 storage tank, a plunger injection pump, a canned motor pump, a magnetic heater, metering instruments, and an electric power unit. For ease of movement and assembly, it is typically assembled centrally using a skid-mounted structure. When the flooding location needs to be changed, the entire skid-mounted CO2 injection system is hoisted by a crane and transported to the designated location. CO2 flooding is a key area of ​​the oil and gas industry, an effective way to increase oil recovery rates and mitigate global warming, and boasts significant economic and social benefits.

[0003] In related art, a hook is installed at the top of the CO2 injection device. By connecting a lifting device to the hook, the CO2 injection device can be lifted to the desired location. However, after the CO2 injection device in related art is lifted by the lifting device to the desired location, the hook is located outside the device and is easily damaged by collisions with other equipment, thus affecting subsequent lifting operations. Summary of the Invention

[0004] The present invention provides a carbon dioxide injection device to solve the problem in the related art that a hook is located outside the device and is easily damaged by collision with other devices, thereby affecting subsequent lifting operations.

[0005] The present invention provides a carbon dioxide injection device, which includes: an outer shell, including a shell and a cover, the shell having a accommodating cavity and an opening connected to the accommodating cavity, and the cover being movably arranged at the opening in the vertical direction; a lifting part, arranged above the cover; an equipment body, arranged in the accommodating cavity; a clamping assembly, including a fixed seat, a first driving member, a first clamping member and a second clamping member, the fixed seat being arranged in the accommodating cavity, the first driving member being arranged on the fixed seat, the first driving member being drivenly connected to the first clamping member and the second clamping member respectively to drive the first clamping member and the second clamping member to approach each other to clamp the equipment body or to move away from each other to separate from the equipment body; a second driving member being arranged on the shell, the second driving member being drivenly connected to the cover so that the cover has a lifting position flush with the top of the shell and a storage position in which the cover is stored in the accommodating cavity and the lifting part is located in the accommodating cavity.

[0006] Furthermore, the second driving member includes a driving motor, and a transmission structure is provided between the driving motor and the cover body so as to switch the cover body between the lifting position and the storage position.

[0007] Furthermore, the transmission structure includes: a first bevel gear, which is sleeved on the motor shaft of the drive motor; a transmission rod, which extends vertically and is rotatably arranged on the shell, and the rotation axis of the transmission rod is perpendicular to the rotation axis of the motor shaft of the drive motor; a second bevel gear, which is sleeved on the lower end of the transmission rod, the first bevel gear is meshed with the second bevel gear, and the upper end of the transmission rod is passed through the cover body and cooperates with the cover body drive to make the cover body move vertically.

[0008] Furthermore, the transmission structure includes a guide rod, the first end of the guide rod is arranged at the bottom of the shell, the second end of the guide rod is arranged at the top of the shell, the guide rod is passed through the cover body, a threaded section is provided on the side wall of the transmission rod, a threaded hole is provided on the cover body, and the threaded section is threadedly matched with the threaded hole.

[0009] Furthermore, the drive motor has a first motor shaft and a second motor shaft, and the carbon dioxide injection device includes two transmission structures, one of which is arranged between the first motor shaft and the first end of the cover body, and the other transmission structure is arranged between the second motor shaft and the second end of the cover body.

[0010] Furthermore, the lifting part is a lifting ring, and the cover body also includes a lifting column, which is arranged vertically. The first end of the lifting column is connected to the upper surface of the cover body, and the lifting ring is arranged on the second end of the lifting column. The carbon dioxide injection device also includes two diagonal support frames, which are symmetrically arranged along the vertical axis of the lifting column. The first ends of the two diagonal support frames are both connected to the lifting column, and the second ends of the two diagonal support frames are both connected to the upper surface of the cover body. The first end of the diagonal support frame is inclined toward the direction of the second end.

[0011] Furthermore, a first opening and a second opening are provided on the lower surface of the fixing seat, the upper end of the first clamping member extends into the fixing seat through the first opening, and the upper end of the second clamping member extends into the fixing seat through the second opening, and a driving structure is provided between the first driving member and the first clamping member and the second clamping member to drive the first clamping member and the second clamping member to approach or move away from each other.

[0012] Furthermore, the driving structure includes: a driving gear, which is sleeved on the motor shaft of the second driving member, and the rotation axis of the driving gear is arranged vertically; a first rack, which is movably arranged on the first inner wall of the fixed seat along the length direction of the fixed seat, and the upper end of the first clamping member is connected to the first rack; a second rack, which is movably arranged on the second inner wall of the fixed seat opposite to the first inner wall of the fixed seat along the length direction of the fixed seat, and the upper end of the second clamping member is connected to the second rack, and the driving gear is respectively engaged with the first rack and the second rack.

[0013] Furthermore, a first slide groove is provided in the fixed seat, and the first slide groove is provided on the first inner side wall of the fixed seat along the length direction of the fixed seat, and a first slider is provided on the first rack, and the first slider is movably provided in the first slide groove; a second slide groove is provided in the fixed seat, and the second slide groove is provided on the second inner side wall of the fixed seat along the length direction of the fixed seat, and a second slider is provided on the second rack, and the second slider is movably provided in the second slide groove.

[0014] Furthermore, the first clamping member and the second clamping member are both plate-shaped structures.

[0015] According to the technical solution of the present invention, the carbon dioxide injection device includes an outer shell, a lifting part, an equipment body, a clamping assembly and a second driving member. The outer shell includes a shell and a cover. The shell has a accommodating cavity. The cover can be movably arranged at the opening of the shell along the vertical direction. The lifting part is arranged above the cover. The equipment body can be placed in the accommodating cavity of the shell. A fixed seat is arranged in the accommodating cavity. The first driving member is arranged on the fixed seat. The first driving member can drive the first clamping member and the second clamping member to approach each other and thus clamp the equipment body. The first driving member can also drive the first clamping member and the second clamping member away from each other and thus separate from the equipment body. In this way, it can be ensured that the equipment body can be clamped under the action of the clamping assembly, and then the stability of the equipment body in the accommodating cavity is guaranteed when the carbon dioxide injection device is lifted by the lifting equipment, thereby avoiding the problem that the equipment body is easily shaken in the accommodating cavity during the lifting process. Among them, a second driving member is provided on the shell, which is driven and connected to the cover body through the second driving member, so that the cover body can be movably arranged vertically at the opening of the shell. When the cover body is flush with the top of the shell, the lifting equipment can be connected to the lifting part on the cover body, which can facilitate the lifting of the outer shell. After the lifting is completed, in order to avoid damage to the lifting part on the cover body, the cover body is driven by the second driving member to move vertically into the accommodating cavity. In this way, the lifting part can be located in the accommodating cavity, thereby protecting the lifting part on the cover body and improving the practicality of the carbon dioxide injection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 A schematic structural diagram of a carbon dioxide injection device in a hoisting position is shown according to an embodiment of the present invention;

[0018] Figure 2 A schematic diagram showing a cover of a carbon dioxide injection device according to an embodiment of the present invention in a storage position is shown;

[0019] Figure 3 A schematic structural diagram of a driving structure provided in an embodiment of the present invention is shown;

[0020] Figure 4 A structural schematic diagram of a transmission structure provided according to an embodiment of the present invention is shown.

[0021] The above drawings include the following reference numerals:

[0022] 10. Housing; 11. Shell; 12. Cover; 121. Threaded hole; 13. Accommodating cavity; 14. Opening;

[0023] 20. Hoisting unit; 21. Lifting ring; 22. Hoisting column; 23. Diagonal support frame;

[0024] 30. Equipment body;

[0025] 40. Clamping assembly; 41. Fixing seat; 411. First opening; 412. Second opening; 413. First chute; 414. Second chute; 42. First driving member; 43. First clamping member; 44. Second clamping member;

[0026] 50. Second driving member; 51. First motor shaft; 52. Second motor shaft;

[0027] 60. Transmission structure; 61. First bevel gear; 62. Transmission rod; 621. Threaded segment; 63. Second bevel gear; 64. Guide rod;

[0028] 70. Driving structure; 71. Driving gear; 72. First rack; 73. Second rack; 74. First slider; 75. Second slider. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] like Figures 1 to 4As shown, an embodiment of the present invention provides a carbon dioxide injection device, which includes a housing 10, a hanging part 20, a device body 30, a clamping assembly 40 and a second driving member 50. The housing 10 includes a shell 11 and a cover 12. The shell 11 has a receiving cavity 13 and an opening 14 connected to the receiving cavity 13. The cover 12 is vertically movably arranged at the opening 14. The hanging part 20 is arranged above the cover 12. The device body 30 is arranged in the receiving cavity 13. The clamping assembly 40 includes a fixing seat 41, a first driving member 42, a first clamping member 43 and a second clamping member 44. The fixing seat 41 is arranged in the accommodating cavity 13, the first driving member 42 is arranged on the fixing seat 41, and the first driving member 42 is respectively driven and connected to the first clamping member 43 and the second clamping member 44 to drive the first clamping member 43 and the second clamping member 44 to approach each other to clamp the device body 30 or move away from each other to separate from the device body 30. The second driving member 50 is arranged on the shell 11, and the second driving member 50 is driven and connected to the cover body 12 so that the cover body 12 has a lifting position flush with the top of the shell 11 and is accommodated in the accommodating cavity 13 and the lifting part 20 is located in the accommodation position in the accommodating cavity 13.

[0031] The carbon dioxide injection device provided in this embodiment is applied, and the carbon dioxide injection device includes a shell 10, a hanging part 20, a device body 30, a clamping assembly 40 and a second driving member 50. The shell 10 includes a shell 11 and a cover 12. The shell 11 has a receiving cavity 13. The cover 12 can be movably arranged at the opening 14 of the shell 11 along the vertical direction. The hanging part 20 is arranged above the cover 12. The device body 30 can be placed in the receiving cavity 13 of the shell 11. By providing a fixing seat 41 in the receiving cavity 13, the first driving member 42 is arranged on the fixing seat 41. The first driving member 42 is provided on the fixing seat 41. Part 42 can drive the first clamping part 43 and the second clamping part 44 to approach each other and thus clamp the device body 30. The first driving part 42 can also drive the first clamping part 43 and the second clamping part 44 to move away from each other and thus separate from the device body 30. This ensures that the device body 30 can be clamped under the action of the clamping assembly 40, thereby ensuring the stability of the device body 30 in the accommodating chamber 13 when the carbon dioxide injection device is lifted by the lifting equipment, and avoiding the problem of the device body 30 shaking easily in the accommodating chamber 13 during the lifting process. Among them, a second driving member 50 is provided on the shell 11, and the second driving member 50 is driven and connected to the cover body 12, so that the cover body 12 can be vertically movably set at the opening 14 of the shell 11. When the cover body 12 is flush with the top of the shell 11, the lifting equipment can be connected to the lifting part 20 on the cover body 12, which can facilitate the lifting of the outer shell 10. After the lifting is completed, in order to avoid damage to the lifting part 20 on the cover body 12, the second driving member 50 drives the cover body 12 to move vertically into the accommodating cavity 13. In this way, the lifting part 20 can be located in the accommodating cavity 13, thereby protecting the lifting part 20 on the cover body 12 and improving the practicality of the carbon dioxide injection device.

[0032] like Figure 1 and Figure 2 As shown, the second driving member 50 includes a driving motor, and a transmission structure 60 is provided between the driving motor and the cover body 12 to switch the cover body 12 between the lifting position and the storage position. With the above structure, by providing the transmission structure 60 between the driving motor and the cover body 12, it is possible to facilitate the switch of the cover body 12 between the lifting position and the storage position.

[0033] like Figure 1 and Figure 2As shown, the transmission structure 60 includes a first bevel gear 61, a transmission rod 62 and a second bevel gear 63. The first bevel gear 61 is sleeved on the motor shaft of the drive motor, and the transmission rod 62 extends vertically and is rotatably arranged on the shell 11. The rotation axis of the transmission rod 62 is perpendicular to the rotation axis of the motor shaft of the drive motor. The second bevel gear 63 is sleeved on the lower end of the transmission rod 62, and the first bevel gear 61 is meshed with the second bevel gear 63. The upper end of the transmission rod 62 is passed through the cover body 12 and driven by the cover body 12 to enable the cover body 12 to move vertically. With the above structure, by sleeved the first bevel gear 61 on the motor shaft of the driving motor, the transmission rod 62 extends vertically and is rotatably arranged on the shell 11, and the rotation axis of the transmission rod 62 is perpendicular to the rotation axis of the motor shaft of the driving motor. The second bevel gear 63 is sleeved on the lower end of the transmission rod 62, and the first bevel gear 61 is meshed with the second bevel gear 63, and then the transmission rod 62 is driven to rotate under the action of the motor shaft of the driving motor. Since the upper end of the transmission rod 62 is passed through the cover body 12, the transmission rod 62 can be driven to cooperate with the cover body 12, so that when the transmission rod 62 rotates, it is easy to drive the cover body 12 to move vertically, making the driving method simple and convenient.

[0034] like Figure 1 、 Figure 2 as well as Figure 4 As shown, the transmission structure 60 includes a guide rod 64, a first end of which is disposed at the bottom of the housing 11, a second end of which is disposed at the top of the housing 11, and the guide rod 64 is passed through the cover 12. A threaded section 621 is provided on the side wall of the transmission rod 62, and a threaded hole 121 is provided on the cover 12. The threaded section 621 is threadedly engaged with the threaded hole 121. With the above structure, by disposing the first end of the guide rod 64 at the bottom of the housing 11 and the second end of the guide rod 64 at the top of the housing 11, and the guide rod 64 is passed through the cover 12, a threaded section 621 is provided on the side wall of the transmission rod 62, and a threaded hole 121 is provided on the cover 12, when the threaded section 621 rotates with the transmission rod 62, the cover 12 can be driven to move vertically. Under the action of the guide rod 64, the cover 12 can be prevented from rotating and can also be guided.

[0035] like Figure 1 and Figure 2As shown, the drive motor has a first motor shaft 51 and a second motor shaft 52, and the carbon dioxide injection device includes two transmission structures 60, one of which is arranged between the first motor shaft 51 and the first end of the cover body 12, and the other is arranged between the second motor shaft 52 and the second end of the cover body 12. Adopting the Hu structure, by arranging the first motor shaft 51 and the second motor shaft 52, one of the transmission structures 60 is arranged between the first motor shaft 51 and the first end of the cover body 12, and the other is arranged between the second motor shaft 52 and the second end of the cover body 12. The drive motor can drive the first motor shaft 51 and the second motor shaft 52 to rotate simultaneously. In this way, the structural stability of the cover body 12 can be ensured under the action of the transmission structure 60.

[0036] like Figure 1 and Figure 2 As shown, the hanging part 20 is a hanging ring 21, and the cover body 12 also includes a hanging column 22, which is arranged vertically, and the first end of the hanging column 22 is connected to the upper surface of the cover body 12, and the hanging ring 21 is arranged on the second end of the hanging column 22. The carbon dioxide injection device also includes two diagonal braces 23, and the two diagonal braces 23 are symmetrically arranged along the vertical axis of the hanging column 22. The first ends of the two diagonal braces 23 are both connected to the hanging column 22, and the second ends of the two diagonal braces 23 are both connected to the upper surface of the cover body 12, and the first ends of the diagonal braces 23 are inclined toward the direction of the second end. By adopting the above structure, by setting the hanging ring 21 on the second end of the hanging column 22, the two diagonal support frames 23 are symmetrically arranged along the vertical axis of the hanging column 22, the first ends of the two diagonal support frames 23 are connected to the hanging column 22, and the second ends of the two diagonal support frames 23 are connected to the upper surface of the cover body 12. The first end of the diagonal support frame 23 is inclined toward the direction of the second end. The diagonal support frame 23 can be used to improve the structural strength of the hanging column 22.

[0037] like Figures 1 to 3 As shown, the lower surface of the fixing seat 41 is provided with a first opening 411 and a second opening 412. The upper end of the first clamping member 43 extends into the fixing seat 41 through the first opening 411, and the upper end of the second clamping member 44 extends into the fixing seat 41 through the second opening 412. A driving structure 70 is provided between the first driving member 42 and the first clamping member 43 and the second clamping member 44 to drive the first clamping member 43 and the second clamping member 44 to move closer to or away from each other. With the above structure, by providing the first opening 411 and the second opening 412 on the fixing seat 41, the upper end of the first clamping member 43 is provided in the first opening 411, and the upper end of the second clamping member 44 is provided in the second opening 412, and the first driving member 42 is respectively connected to the first clamping member 43 and the second clamping member 44, thereby ensuring that the first clamping member 43 and the second clamping member 44 can clamp the device body 30.

[0038] like Figure 3 As shown, the driving structure 70 includes a driving gear 71, a first rack 72 and a second rack 73. The driving gear 71 is sleeved on the motor shaft of the second driving member 50. The rotation axis of the driving gear 71 is arranged vertically. The first rack 72 is movably arranged on the first inner side wall of the fixed seat 41 along the length direction of the fixed seat 41. The upper end of the first clamping member 43 is connected to the first rack 72. The second rack 73 is movably arranged on the second inner side wall of the fixed seat 41 opposite to the first inner side wall along the length direction of the fixed seat 41. The upper end of the second clamping member 44 is connected to the second rack 73. The driving gear 71 is respectively engaged with the first rack 72 and the second rack 73. With the above structure, the driving gear 71 is rotatably set in the fixed seat 41, the first rack 72 is connected to the upper end of the first clamping member 43, and the second rack 73 is linked to the upper end of the second clamping member 44. The driving gear 71 is engaged with the first rack 72 and the second rack 73 respectively. In this way, the first clamping member 43 and the second clamping member 44 can be driven closer to or away from each other under the cooperation of the driving gear 71, the first rack 72 and the second rack 73.

[0039] like Figure 3 As shown, a first slide groove 413 is provided in the fixed seat 41, and the first slide groove 413 is provided on the first inner side wall of the fixed seat 41 along the length direction of the fixed seat 41. A first slider 74 is provided on the first rack 72, and the first slider 74 is movably provided in the first slide groove 413. With the above structure, by providing the first slide groove 413 in the fixed seat 41, providing the first slider 74 on the first rack 72, and slidably provided in the first slide groove 413, the first clamping member 43 can be easily driven to move along the length direction of the first slide groove 413.

[0040] like Figure 3 As shown, a second chute 414 is provided in the fixed seat 41, and the second chute 414 is provided on the second inner side wall of the fixed seat 41 along the length direction of the fixed seat 41. A second slider 75 is provided on the second rack 73, and the second slider 75 is movably provided in the second chute 414. With the above structure, by providing the second chute 414 in the fixed seat 41, providing the second slider 75 on the second rack 73, and slidably provided in the second chute 414, the second clamping member 44 can be easily driven to move along the length direction of the second chute 414.

[0041] In this embodiment, the first clamping member 43 and the second clamping member 44 are both plate-shaped structures. By setting the first clamping member 43 and the second clamping member 44 as plate-shaped structures, the device body 30 can be clamped more easily.

[0042] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0043] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments can have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, and therefore, once an item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0044] In the description of the present invention, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0045] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0046] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0047] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A carbon dioxide injection device, characterized in that: The carbon dioxide injection device comprises: A housing (10) comprises a shell (11) and a cover (12), wherein the shell (11) has a receiving cavity (13) and an opening (14) communicating with the receiving cavity (13), and the cover (12) is vertically movably disposed at the opening (14); A hanging part (20) is arranged above the cover body (12); A device body (30) is arranged in the accommodating cavity (13); A clamping assembly (40), comprising a fixing seat (41), a first driving member (42), a first clamping member (43) and a second clamping member (44), wherein the fixing seat (41) is arranged in the accommodating cavity (13), the first driving member (42) is arranged on the fixing seat (41), and the first driving member (42) is respectively connected to the first clamping member (43) and the second clamping member (44) for driving the first clamping member (43) and the second clamping member (44) to move closer to each other to clamp the device body (30) or to move away from each other to separate from the device body (30); A second driving member (50) is arranged on the shell (11), and the second driving member (50) is drivingly connected to the cover body (12) so that the cover body (12) has a lifting position flush with the top of the shell (11) and a storage position in which the cover body (12) is stored in the storage cavity (13) and the lifting portion (20) is located in the storage cavity (13).

2. The carbon dioxide injection device according to claim 1, characterized in that: The second driving member (50) comprises a driving motor, and a transmission structure (60) is provided between the driving motor and the cover body (12) so as to switch the cover body (12) between the lifting position and the storage position.

3. The carbon dioxide injection device according to claim 2, characterized in that: The transmission structure (60) comprises: A first bevel gear (61) is sleeved on the motor shaft of the driving motor; a transmission rod (62), the transmission rod (62) extending vertically and rotatably arranged on the housing (11), the rotation axis of the transmission rod (62) being perpendicular to the rotation axis of the motor shaft of the drive motor; The second bevel gear (63) is sleeved on the lower end of the transmission rod (62), the first bevel gear (61) is meshed with the second bevel gear (63), and the upper end of the transmission rod (62) is passed through the cover body (12) and driven to cooperate with the cover body (12) so that the cover body (12) moves vertically.

4. The carbon dioxide injection device according to claim 3, characterized in that: The transmission structure (60) comprises a guide rod (64), a first end of the guide rod (64) being arranged at the bottom of the shell (11), a second end of the guide rod (64) being arranged at the top of the shell (11), the guide rod (64) being passed through the cover body (12), a threaded section (621) being arranged on the side wall of the transmission rod (62), a threaded hole (121) being arranged on the cover body (12), and the threaded section (621) being threadedly matched with the threaded hole (121).

5. The carbon dioxide injection device according to claim 4, characterized in that: The driving motor has a first motor shaft (51) and a second motor shaft (52), and the carbon dioxide injection device includes two transmission structures (60), one of which is arranged between the first motor shaft (51) and the first end of the cover body (12), and the other transmission structure (60) is arranged between the second motor shaft (52) and the second end of the cover body (12).

6. The carbon dioxide injection device according to claim 2, characterized in that: The hanging part (20) is a hanging ring (21), and the cover body (12) also includes a hanging column (22), the hanging column (22) is arranged in the vertical direction, the first end of the hanging column (22) is connected to the upper surface of the cover body (12), and the hanging ring (21) is arranged on the second end of the hanging column (22), and the carbon dioxide injection device also includes two diagonal support frames (23), the two diagonal support frames (23) are symmetrically arranged along the vertical axis of the hanging column (22), the first ends of the two diagonal support frames (23) are connected to the hanging column (22), the second ends of the two diagonal support frames (23) are connected to the upper surface of the cover body (12), and the first end of the diagonal support frame (23) is inclined in the direction toward the second end.

7. The carbon dioxide injection device according to any one of claims 1 to 6, characterized in that: The lower surface of the fixing seat (41) is provided with a first opening (411) and a second opening (412); the upper end of the first clamping member (43) extends into the fixing seat (41) through the first opening (411); the upper end of the second clamping member (44) extends into the fixing seat (41) through the second opening (412); and a driving structure (70) is provided between the first driving member (42) and the first clamping member (43) and the second clamping member (44) to drive the first clamping member (43) and the second clamping member (44) to move closer to or away from each other.

8. The carbon dioxide injection device according to claim 7, characterized in that: The driving structure (70) comprises: A driving gear (71) is sleeved on the motor shaft of the second driving member (50), and the rotation axis of the driving gear (71) is arranged vertically; A first rack (72) is movably arranged on a first inner side wall of the fixing seat (41) along a length direction of the fixing seat (41), and an upper end of the first clamping member (43) is connected to the first rack (72); A second rack (73) is movably arranged on a second inner side wall of the fixing seat (41) opposite to the first inner side wall along the length direction of the fixing seat (41), an upper end of the second clamping member (44) is connected to the second rack (73), and the driving gear (71) is respectively meshed with the first rack (72) and the second rack (73).

9. The carbon dioxide injection device according to claim 8, characterized in that: A first slide groove (413) is provided in the fixed seat (41), and the first slide groove (413) is provided on the first inner side wall of the fixed seat (41) along the length direction of the fixed seat (41); a first slider (74) is provided on the first rack (72), and the first slider (74) is movably provided in the first slide groove (413); A second slide groove (414) is arranged in the fixed seat (41), and the second slide groove (414) is arranged on the second inner side wall of the fixed seat (41) along the length direction of the fixed seat (41). A second sliding block (75) is arranged on the second rack (73), and the second sliding block (75) is movably arranged in the second slide groove (414).

10. The carbon dioxide injection device according to any one of claims 1 to 6, characterized in that: The first clamping member (43) and the second clamping member (44) are both plate-shaped structures.

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