Cover opening and closing device

Abstract

The utility model relates to the technical field of coal quality detection equipment, and provides a cover opening and closing device. The cover opening and closing device includes a support frame, a cover positioning assembly, a cover screwing assembly and an elastic body limiting assembly. The cover positioning assembly is slidably arranged on the support frame, and is used to position the cover; the elastic body limiting assembly is arranged on the support frame, and is located below the cover positioning assembly, and is used to fix the elastic body; the cover screwing assembly is slidably arranged on the support frame, and is located above the cover positioning assembly, and is used to screw the cover so that the cover and the elastic body are covered or separated. The utility model solves the problem that the opening and closing operations of the oxygen bomb in the prior art usually need to be completed manually, and this operation mode not only leads to high labor costs, but also easily increases the labor intensity of operators, and realizes a device that can automatically open and close the oxygen bomb, so as to reduce manual intervention, reduce the labor intensity of operators, and reduce the cost of coal quality detection.

Description

Technical Field

[0001] The utility model relates to the technical field of coal quality detection equipment, in particular to a cover opening and closing device. Background Art

[0002] Oxygen bombs are mainly used in calorimeters as their core components. Oxygen bombs are containers made of heat-resistant and corrosion-resistant nickel-chromium or nickel-chromium-molybdenum alloy steel. Oxygen bombs act as combustion chambers in calorimeters and are used to measure the heat released by substances during combustion.

[0003] Oxygen bombs are commonly used in coal quality testing to measure coal's calorific value and other properties. After each measurement, the oxygen bomb needs to be opened to take out the coal sample and clean the inside. Then, it needs to be closed again to prepare for the next measurement.

[0004] In the prior art, the opening and closing operations of the oxygen bomb usually need to be done manually. This operation method not only leads to high labor costs, but also easily increases the labor intensity of the operators. Utility Model Content

[0005] The utility model provides a cover opening and closing device, which is used to solve the problem that the opening and closing operations of the oxygen bomb in the prior art usually need to be completed manually, and this operation mode not only leads to high labor costs, but also easily increases the labor intensity of operators. A device that can automatically open and close the cover of the oxygen bomb is realized, so as to reduce manual intervention, reduce the labor intensity of operators, and reduce the cost of coal quality detection.

[0006] The utility model provides a cover opening and closing device, comprising a support frame, a cover positioning assembly, a cover screwing assembly and an elastic body limiting assembly. The cover positioning assembly is slidably arranged on the support frame for positioning the cover; the elastic body limiting assembly is arranged on the support frame and is located below the cover positioning assembly for fixing the elastic body; the cover screwing assembly is slidably arranged on the support frame and is located above the cover positioning assembly for screwing the cover so that the cover and the elastic body are covered or separated.

[0007] According to a cover opening and closing device provided by the utility model, the support frame includes a base, a support member and a slide rail. The support member is vertically set on the base; the slide rail is vertically set on the support member, and the cover positioning assembly and the cover screwing assembly are both slidably set on the slide rail.

[0008] According to a cover opening and closing device provided by the utility model, the cover positioning assembly includes a first sliding component, a positioning component and a first spring. The first sliding component is slidably arranged on the slide rail; the positioning component is arranged on the first sliding component and can be switched between an open state and a closed state. In the open state, the positioning component releases the positioning of the cover; in the closed state, the positioning component positions the cover; the first spring is arranged between the first sliding component and the base.

[0009] According to a cover opening and closing device provided by the utility model, the first sliding component includes a first sliding member and a first track. The first sliding member is slidably arranged on the slide rail; the first track is arranged on the first sliding member, and the positioning component is slidably arranged on the first sliding member.

[0010] According to a cover opening and closing device provided by the utility model, the positioning components are provided with two groups, both of which are arranged on the first track, and the positioning components include a first power member, a positioning member and a cover support. The positioning member is slidably arranged on the first track; the first power member is connected to the positioning member, and is used to drive the positioning member to move, so that the positioning member switches between the open state and the closed state; the cover support is arranged on the positioning member, and is used to carry the cover.

[0011] According to a cover opening and closing device provided by the utility model, the cover screwing assembly includes a second sliding component and a screwing component; the second sliding component is arranged on the support frame, and is used to drive the screwing component to move away from or close to the elastic body; the screwing component is used to screw the cover.

[0012] According to a cover opening and closing device provided by the utility model, the second sliding component includes a second power member and a second sliding member. The second sliding member is slidably arranged on the slide rail, a second track is arranged on the side of the second sliding member away from the slide rail, and the screwing component is slidably arranged on the second track through an adjusting component; the second power member is arranged on the supporting member and connected to the second sliding member, and is used to drive the second sliding member to move.

[0013] According to a cover opening and closing device provided by the utility model, a baffle is provided on the top of the second sliding member, and the adjusting member includes a third sliding member, a sleeve and a second spring. One end of the third sliding member is slidably connected to the second track, and the other end is connected to the screwing member, and the third sliding member is provided with a limit rod; the sleeve is provided on the baffle, and the limit rod is movably provided on the sleeve; the second spring is sleeved on the outside of the limit rod and is in contact with the sleeve.

[0014] According to a cover opening and closing device provided by the utility model, the screwing component includes a motor, a rotating member and a toggle member. The motor is fixed to the third sliding member; the rotating member is fixedly connected to the output shaft of the motor; the toggle member is arranged on the side of the rotating member facing the cover positioning assembly, and is used to toggle the cover.

[0015] According to a cover opening and closing device provided by the utility model, the elastic body limiting assembly includes a third power member, a first limiting member, and a second limiting member. The first limiting member is arranged at the top of the base; the second limiting member is arranged at the top of the base and is spaced apart from the first limiting member; the third power member is connected to the first limiting member, and the third power member is used to drive the first limiting member to switch between a first position and a second position. In the first position, the first limiting member and the second limiting member limit the elastic body; in the second position, the first limiting member and the second limiting member release the limiting of the elastic body.

[0016] The utility model limits the elastic body through the elastic body limiting assembly, preventing the elastic body from causing inconvenience when the cover body is closed and separated, and providing favorable protection for the closing and separation of the cover body. The utility model can realize the positioning of the cover body by setting the cover body positioning assembly, so as to make the positioning of the cover body more accurate, and at the same time, it can also provide accurate positioning for the later cover body screwing assembly to cover the cover body on the elastic body, simplifying the working steps of the cover body screwing assembly, making the work of the cover body screwing assembly more convenient. Through the above cooperation, the utility model can realize the closing and separation of the cover body and the elastic body, realize the mechanized automatic disassembly and installation of the cover body, improve the disassembly and assembly efficiency of the cover body, and greatly reduce the work intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is one of the structural schematic diagrams of the cover opening and closing device provided by the utility model.

[0019] Figure 2 This is the second structural schematic diagram of the cover opening and closing device provided by the utility model.

[0020] Figure 3 It is a side view of the cover opening and closing device provided by the utility model.

[0021] Figure 4It is a top view of the cover opening and closing device provided by the utility model.

[0022] Figure 5 It is a structural schematic diagram of a cover body of a cover body opening and closing device provided by the utility model.

[0023] Reference numerals: 100: support frame; 110: base; 120: support member; 130: slide rail.

[0024] 200: cover positioning assembly; 210: first sliding component; 211: first sliding member; 212: first track; 220: positioning component; 221: first power member; 222: positioning member; 223: cover support; 230: first spring.

[0025] 300: cover body screwing assembly; 310: second sliding member; 311: second power member; 312: second sliding member; 313: second track; 320: adjustment member; 321: third sliding member; 322: sleeve; 323: second spring; 330: screwing member; 331: motor; 332: rotating member; 333: first moving claw; 334: second moving claw.

[0026] 400: elastic body limiting component; 410: third power member; 420: first limiting member; 430: second limiting member.

[0027] 510: cover body; 511: pin; 520: elastic body. DETAILED DESCRIPTION

[0028] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0029] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0030] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0031] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0033] Figure 1 One of the structural schematic diagrams of the cover opening and closing device provided in the embodiment of the utility model is illustrated. Figure 2 This is the second structural schematic diagram of the cover opening and closing device provided by the utility model. Figure 4 The top view of the cover opening and closing device provided by the embodiment of the utility model is illustrated. Figure 1 , Figure 2 and Figure 4The embodiment of the utility model provides a cover opening and closing device, which includes a support frame 100, a cover positioning assembly 200, a cover screwing assembly 300 and an elastic body limiting assembly 400. The cover positioning assembly 200 is slidably disposed on the support frame 100, and is used to position the cover 510; the elastic body limiting assembly 400 is disposed on the support frame 100, and is located below the cover positioning assembly 200, and is used to fix the elastic body 520; the cover screwing assembly 300 is slidably disposed on the support frame 100, and is located above the cover positioning assembly 200, and is used to screw the cover 510 to cover or separate the cover 510 and the elastic body 520.

[0034] In the above structure, the utility model limits the elastic body 520 through the elastic body limiting assembly 400, so as to prevent the elastic body 520 from moving and causing inconvenience when the cover body 510 and 530 are covered and separated, and provides favorable protection for the covering and separation of the cover body 510. The utility model can realize the positioning of the cover body 510 by setting the cover body positioning assembly 200, so as to make the positioning of the cover body 510 more accurate, and at the same time, it can also provide accurate positioning for the cover body screwing assembly 300 to cover the cover body 510 on the elastic body 520 in the later stage, simplify the working steps of the cover body screwing assembly 300, and make the work of the cover body screwing assembly 300 more convenient. Through the above cooperation, the utility model can realize the covering and separation of the cover body 510 and the elastic body 520, realize the mechanized automatic disassembly and installation of the cover body 510, improve the disassembly and assembly efficiency of the cover body 510, and greatly reduce the work intensity of the staff.

[0035] Reference Figure 1 In some embodiments of the present invention, the support frame 100 includes a base 110, a support member 120 and a slide rail 130. The support member 120 is vertically set on the base 110; the slide rail 130 is vertically set on the support member 120, and the cover positioning assembly 200 and the cover screwing assembly 300 are both slidably set on the slide rail 130.

[0036] Specifically, the base 110 and the support member 120 are usually fixed by bolt connection or welding, and both the base 110 and the support member 120 are plate-like structures. The base 110 is arranged horizontally, and the support member 120 is vertically installed on one side of the base 110 or arranged in the area from the middle to one side of the base 110. Such an arrangement can reserve a working area for the cover 510 and the elastic body 520. In some possible embodiments, in order to improve the stability and accuracy of the connection, a positioning pin or a positioning block can be added between the base 110 and the support member 120 to ensure that the two can be accurately aligned when connected. The slide rail 130 can also be fixed to the side of the support member 120 facing the working area reserved for the cover 510 and the elastic body 520 by bolts or welding. Such an arrangement can facilitate the work of the cover positioning assembly 200 and the cover screwing assembly 300. In some possible embodiments, in order to facilitate the operation of the cover 510, the cover positioning assembly 200 is provided with two groups, so two groups can also be provided on the static slide rail 130. The cover positioning assembly 200 and the slide rails 130 are arranged in one-to-one correspondence, and the cover screwing assembly 300 can be slidably connected to the two slide rails 130 at the same time.

[0037] In some possible embodiments, in order to increase the stability and precision of sliding, the slide rail 130 can be made of wear-resistant, self-lubricating materials, or the surface of the slide rail 130 can be specially treated, such as coating a lubricating coating. It is possible to consider adding a sliding damping adjustment mechanism to adjust the sliding resistance according to actual needs.

[0038] Figure 3 A side view of a cover opening and closing device provided in an embodiment of the utility model is illustrated.

[0039] Reference Figure 1 and Figure 3 In some embodiments of the present invention, the cover positioning assembly 200 includes a first sliding component 210, a positioning component 220 and a first spring 230. The first sliding component 210 is slidably disposed on the slide rail 130; the positioning component 220 is disposed on the first sliding component 210 and can be switched between an open state and a closed state. In the open state, the positioning component 220 releases the positioning of the cover 510; in the closed state, the positioning component 220 positions the cover 510; the first spring 230 is disposed between the first sliding component 210 and the base 110.

[0040] Specifically, two slide rails 130 are provided at the front and rear, and the first sliding member 210 is horizontally slidably arranged on the two slide rails 130, and two groups of positioning members 220 are also provided, and the two groups of positioning members 220 are slidably arranged on the first sliding member 210, and the two positioning members 220 can move closer to each other and farther from each other. When the two positioning members 220 are away from each other, they are in an open state, and when the two are close to each other, they are in a closed state. When it is necessary to position the cover body 510, the two positioning members 220 can be brought closer to each other, so that the cover body 510 is placed on the two positioning members 220, so that the cover body 510 is positioned above the elastic body 520, and then the two are threadedly connected through the cover body screwing assembly 300. By arranging the first spring 230 between the first sliding member 210 and the base 110, it can prevent the first sliding member 210 and the positioning member 220 from falling without support, and can also play a buffering role for the two, preventing the cover body 510 and the elastic body 520 from bumping.

[0041] Reference Figure 1 In some embodiments of the utility model, the first sliding component 210 includes a first sliding component 211 and a first track 212. The first sliding component 211 is slidably disposed on the slide rail 130; the first track 212 is disposed on the first sliding component 211, and the positioning component 220 is slidably disposed on the first sliding component 211. Both sets of positioning components 220 are disposed on the first track 212, and the positioning component 220 includes a first power member 221, positioning members 222 and 223. The positioning member 222 is slidably disposed on the first track 212; the first power member 221 is connected to the positioning member 222, and is used to drive the positioning member 222 to move, so that the positioning member 220 is switched between an open state and a closed state; the cover support 223 is disposed on the positioning member 222, and is used to carry the cover 510.

[0042] The first sliding member 211 is slidably disposed between the two slide rails 130, and the first sliding member 211 is disposed along the length direction of the first sliding member 211, so that the two positioning members 222 move away from and toward each other under the drive of the two first power members 221, thereby realizing the positioning of the cover body 510. The positioning member 222 is a plate-shaped structure, and a groove matching the first rail 212 is disposed at the bottom of one end thereof.

[0043] Reference Figure 1 In some embodiments of the present invention, the cover body screwing assembly 300 includes a second sliding component 310 and a screwing component 330; the second sliding component 310 is disposed on the support frame 100, and is used to drive the screwing component 330 to move away from or close to the elastic body 520; the screwing component 330 is used to screw the cover body 510.

[0044] The second sliding member 310 includes a second power member 311 and a second sliding member 312. The second sliding member 312 is slidably disposed on the slide rail 130. A second track 313 is disposed on the side of the second sliding member 312 away from the slide rail 130. The screwing member 330 is slidably disposed on the second track 313 through the adjusting member 320. The second power member 311 is disposed on the supporting member 120 and is connected to the second sliding member 312 to drive the second sliding member 312 to move. A baffle is disposed on the top of the second sliding member 312. The adjusting member 320 includes a third sliding member 321, a sleeve 322, and a second spring 323. One end of the third sliding member 321 is slidably connected to the second track 313, and the other end is connected to the screwing member 330. The third sliding member 321 is provided with a limiting rod. The sleeve 322 is disposed on the baffle, and the limiting rod is movably disposed on the sleeve 322. The second spring 323 is sleeved on the outside of the limiting rod and is in contact with the sleeve 322.

[0045] The screwing component 330 includes a motor 331, a rotating member 332 and a toggle member. The motor 331 is fixed to the third sliding member 321; the rotating member 332 is fixedly connected to the output shaft of the motor 331; the toggle member is arranged on the side of the rotating member 332 facing the cover positioning assembly 200, and is used to toggle the cover 510. The toggle member includes a first toggle claw 333 and a second toggle claw 334, and the first toggle claw 333 and the second toggle claw 334 can toggle the cover 510 under the action of the motor connecting the two.

[0046] Specifically, the second power member 311 can be a motor, which is fixed to the top of the support member 120 by bolts, and the second power member 311 is connected to the second sliding member 312 by a transmission mechanism, and the transmission structure can be any structure that can drive the second sliding member 312 to perform linear reciprocating motion. The transmission mechanism in the prior art can be referred to, and no further description is given here. The second track 313 is arranged in the vertical direction, so that the screwing component 330 can have a certain fault tolerance in the vertical direction, avoiding the screwing component 330 from damaging the cover body 510 and the elastic body 520 due to the lack of distance tolerance when assembling the cover body 510 and the elastic body 520. In addition, the present embodiment is also provided with a second spring 323 between the third sliding member 321 and the second sliding member 312, and the second spring 323 can play a role of buffering. When the screwing component 330 drives the cover body 510 to connect with the elastic body 520, it is necessary to drive the cover body 510 to move downward, and in the process of moving downward, the second spring 323 can play a good buffering role.

[0047] The motor 331 can be a servo motor or a stepper motor. A plurality of pins 511 are fixedly arranged on the periphery of the cover body 510. The cover body 510 is threadedly connected with the elastic body 520. When the cover body 510 needs to be covered on the elastic body 520, the cover body 510 is first placed on the cover body support 223 to achieve positioning. Then the second sliding component 310 is started, and the second sliding component 310 drives the second sliding component 312 to move downward, thereby driving the adjusting component 320 and the screwing component 330 to move downward. The first toggle claw 333 and the second toggle claw 334 are in contact or misaligned with the pin 511 in a cross-shaped structure. Then the rotating member 332 is driven to rotate by the motor 331, thereby driving the first toggle claw 333 and the second toggle claw 334 to rotate. The rotation of the first toggle claw 333 and the second toggle claw 334 will drive the pin 511 to rotate, thereby rotating the cover body 510. Since the first and second driving claws 333 and 334 are in contact or misaligned with the pin 511 in a cross-shaped structure, during the rotation process, on the one hand, the vertical limitation of the cover 510 is avoided, so that the cover 510 can rotate and move downward to facilitate the threaded connection with the elastic body 520. On the other hand, the horizontal limitation of the cover 510 is avoided, so that the cover 510 can be prevented from getting stuck during the rotation process.

[0048] Reference Figure 1 In some embodiments of the present invention, the elastic body limiting assembly 400 includes a third power member 410, a first limiting member 420, and a second limiting member 430. The first limiting member 420 is disposed on the top of the base 110; the second limiting member 430 is disposed on the top of the base 110 and is spaced apart from the first limiting member 420; the third power member 410 is connected to the first limiting member 420, and the third power member 410 is used to drive the first limiting member 420 to switch between the first position and the second position. In the first position, the first limiting member 420 and the second limiting member 430 limit the elastic body 520; in the second position, the first limiting member 420 and the second limiting member 430 release the limiting of the elastic body 520.

[0049] Specifically, the second limit member 430 is fixedly mounted on the base 110 by bolts, and the first limit member 420 is slidably set on the base 110. The third power member 410 can be specifically an electric push rod, one end of which is hinged on the base 110, and the other end is hinged on the first limit member 420. The third power member 410 can push the first limit member 420 to switch between the first position and the second position. That is, when the third power member 410 pushes the first limit member 420 to move in the direction of the second limit member 430, the elastic body 520 is clamped, and then the elastic body 520 is limited. On the contrary, the limit on the elastic body 520 is released. It should be noted that the determination of the positions of the first limit member 420 and the second limit member 430 needs to ensure the accurate connection between the cover body 510 and the elastic body 520.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A cover opening and closing device, characterized in that: include: Support frame (100); A cover body positioning assembly (200), slidably disposed on the support frame (100) and used for positioning the cover body (510); An elastic body limiting assembly (400) is provided on the support frame (100) and is located below the cover body positioning assembly (200) and is used to fix the elastic body (520); The cover body screwing assembly (300) is slidably disposed on the support frame (100) and is located above the cover body positioning assembly (200), and is used for screwing the cover body (510) to close or separate the cover body (510) and the elastic body (520).

2. The cover opening and closing device according to claim 1, characterized in that: The support frame (100) comprises: Base (110); A support member (120) vertically disposed on the base (110); The slide rail (130) is vertically arranged on the support member (120), and the cover body positioning assembly (200) and the cover body screwing assembly (300) are both slidably arranged on the slide rail (130).

3. The cover opening and closing device according to claim 2, characterized in that: The cover positioning assembly (200) comprises: A first sliding component (210) slidably disposed on the slide rail (130); a positioning component (220) disposed on the first sliding component (210) and capable of switching between an open state and a closed state; in the open state, the positioning component (220) releases the positioning of the cover body (510); in the closed state, the positioning component (220) positions the cover body (510); A first spring (230) is provided between the first sliding component (210) and the base (110).

4. The cover opening and closing device according to claim 3, characterized in that: The first sliding component (210) comprises: A first sliding member (211), slidably disposed on the slide rail (130); The first track (212) is provided on the first sliding member (211), and the positioning member (220) is slidably provided on the first sliding member (211).

5. The cover opening and closing device according to claim 4, characterized in that: The positioning components (220) are provided in two groups, and the two groups of positioning components (220) are both arranged on the first track (212). The positioning components (220) include: A positioning member (222) slidably disposed on the first track (212); A first power member (221) connected to the positioning member (222) and used to drive the positioning member (222) to move, so that the positioning component (220) switches between the open state and the closed state; The cover body support (223) is disposed on the positioning member (222) and is used to support the cover body (510).

6. The cover opening and closing device according to claim 2, characterized in that: The cover body screwing assembly (300) comprises a second sliding component (310) and a screwing component (330); The second sliding component (310) is disposed on the support frame (100) and is used to drive the screwing component (330) to move away from or toward the elastic body (520); The screwing component (330) is used to move the cover body (510).

7. The cover opening and closing device according to claim 6, characterized in that: The second sliding component (310) comprises: A second sliding member (312) is slidably disposed on the slide rail (130); a second track (313) is provided on a side of the second sliding member (312) away from the slide rail (130); and the screwing member (330) is slidably disposed on the second track (313) via an adjusting member (320); The second power member (311) is provided on the support member (120) and is connected to the second sliding member (312) and is used to drive the second sliding member (312) to move.

8. The cover opening and closing device according to claim 7, characterized in that: A baffle is provided on the top of the second sliding member (312), and the adjusting component (320) comprises: a third sliding member (321), one end of which is slidably connected to the second track (313), and the other end of which is connected to the screwing component (330), and the third sliding member (321) is provided with a limiting rod; A sleeve (322) is arranged on the baffle, and the limiting rod is movably arranged on the sleeve (322); The second spring (323) is sleeved outside the limiting rod and is in contact connection with the sleeve (322).

9. The cover opening and closing device according to claim 8, characterized in that: The screwing component (330) comprises: A motor (331) fixed to the third sliding member (321); A rotating member (332) fixedly connected to an output shaft of the motor (331); A shifting member is provided on a side of the rotating member (332) facing the cover body positioning assembly (200) and is used to shift the cover body (510).

10. The cover opening and closing device according to any one of claims 2 to 9, characterized in that: The elastic body limiting assembly (400) comprises: A first limiting member (420) is disposed on the top of the base (110); A second limiting member (430) is disposed on the top of the base (110) and is spaced apart from the first limiting member (420); A third power member (410) is connected to the first limiting member (420), and the third power member (410) is used to drive the first limiting member (420) to switch between a first position and a second position. In the first position, the first limiting member (420) and the second limiting member (430) limit the elastic body (520); in the second position, the first limiting member (420) and the second limiting member (430) release the limiting of the elastic body (520).

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