Lifting device for flange cover of pressure vessel

Abstract

The utility model discloses a pressure vessel flange cover lifting device which comprises a base, a handle is installed on the outer wall of the base, a rotating shaft is arranged at the top of the base, the outer wall of the rotating shaft is rotationally connected with a top plate, and a pressure vessel barrel is arranged on the inner wall of the base. The top of the pressure vessel barrel is provided with a pressure vessel flange cover, and the pressure vessel flange cover lifting device further comprises an adjusting device which is arranged at the top of the base. The utility model relates to the technical field of pressure vessel maintenance and repair, in particular to a pressure vessel flange cover lifting device, universal wheels at the bottom of a base are matched with a handle, the base is moved to the outer wall of a pressure vessel barrel, and the position of a lifted pressure vessel flange cover is adjusted through a rotating device. The pressure vessel flange cover cannot shield the top of the pressure vessel, so that the interior of the pressure vessel is convenient to maintain, and the pressure vessel flange cover lifting device is convenient to popularize and use.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure vessel maintenance and repair, in particular to a pressure vessel flange cover lifting device. Background Art

[0002] Pressure vessels are closed containers that can withstand pressure. They are widely used in many fields such as industry, civil industry, military industry, and scientific research. They play an important role and are most widely used in the chemical industry and petrochemical industry. The pressure vessels used in the petrochemical industry alone account for about 50% of the total number of pressure vessels.

[0003] When the existing pressure vessel flange cover lifting device is used, the pressure vessel flange cover and the main shaft are connected together through a connecting piece, and the main shaft is driven to rotate by a handle, and the main shaft drives the pressure vessel flange cover to move upward through the connecting piece. After the pressure vessel flange cover is opened, it is convenient to maintain and repair the inside of the pressure vessel;

[0004] During use, the traditional pressure vessel flange cover lifting device connects the pressure vessel flange cover to the lifting device. After the pressure vessel flange cover is lifted, the pressure vessel flange cover still hovers on the top of the pressure vessel, blocking the top of the pressure vessel, making it inconvenient to repair the interior of the pressure vessel, and further making it inconvenient to promote the use of the pressure vessel flange cover lifting device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a pressure vessel flange cover lifting device, which solves the problem that during use of the traditional pressure vessel flange cover lifting device, the pressure vessel flange cover is connected to the lifting device, and after the pressure vessel flange cover is lifted, the pressure vessel flange cover still hovers on the top of the pressure vessel, blocking the top of the pressure vessel, making it inconvenient to repair the interior of the pressure vessel, and further making it inconvenient to promote the use of the pressure vessel flange cover lifting device.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a pressure vessel flange cover lifting device, comprising a base, a handle is installed on the outer wall of the base, a rotating shaft is arranged on the top of the base, the outer wall of the rotating shaft is rotatably connected with a top plate, a pressure vessel cylinder is arranged on the inner wall of the base, and a pressure vessel flange cover is installed on the top of the pressure vessel cylinder, and the pressure vessel flange cover lifting device also includes: an adjustment device, installed on the top of the base; a rotating device, installed on the top of the top plate; a lifting device, arranged above the top plate; wherein the adjustment device can adjust the use height of the lifting device, the rotating device can adjust the position of the lifting device, and the lifting device lifts the pressure vessel flange cover.

[0007] Preferably, an anti-slip rubber sleeve is installed on the outer wall of the handle.

[0008] Preferably, the adjustment device includes: an outer frame, installed on the top of the base; a slider, movably connected to the outer wall of the outer frame and fixedly connected to the bottom of the rotating shaft; a side plate, installed on the outer wall of the slider; a threaded rod, threadedly connected to the inner wall of the side plate and rotatably connected to the inner wall of the outer frame, and the bottom of the threaded rod is rotatably connected to the inner wall of the base; wherein, when the threaded rod rotates, the slider is driven to move via the side plate, and the slider drives the top plate to move via the rotating shaft.

[0009] Preferably, the rotating device includes: a gear ring installed above the top plate; a gear engaged with the inner wall of the gear ring; a first servo motor detachably connected to the top of the gear and detachably connected to the outer wall of the rotating shaft; wherein, when the first servo motor is working, it drives the gear ring to rotate through the gear, and the gear ring drives the top plate to rotate.

[0010] Preferably, the lifting device includes: a second servo motor, which is detachably connected to the outer wall of the top plate; a bidirectional screw, which is rotatably connected to the inner wall of the top plate through a bearing and is detachably connected to the output end of the second servo motor; two vertical plates are provided, both of which are threadedly connected to the outer wall of the bidirectional screw and are movably connected to the inside of the top plate; two connecting rods are provided, which are respectively rotatably connected to the inner walls of the two vertical plates through pins; two connecting blocks are provided, both of which are rotatably connected to one end of the two connecting rods through pins; an electromagnet is installed at the bottom of the connecting block; wherein, when the second servo motor is working, it drives the vertical plate to move through the bidirectional screw, and the vertical plate drives the electromagnet at the bottom of the connecting block to move through the connecting rod, and the electromagnet adsorbs the flange cover of the pressure vessel to lift it.

[0011] Beneficial Effects

[0012] The utility model provides a pressure vessel flange cover lifting device. It has the following beneficial effects: the pressure vessel flange cover lifting device uses the universal wheel at the bottom of the base to cooperate with the handle to move the base to the outer wall of the pressure vessel cylinder, and adjusts the position of the pressure vessel flange cover after lifting through the rotating device. The pressure vessel flange cover will not block the top of the pressure vessel, so it is convenient to repair the inside of the pressure vessel, and then it is convenient to promote the use of the pressure vessel flange cover lifting device;

[0013] The height of the lifting device is adjusted by the adjusting device, so that the lifting device can be suitable for pressure vessel cylinders of different heights. The pressure vessel flange cover can be lifted by the lifting device, and the electromagnet can be quickly connected to the pressure vessel flange cover, which is convenient for lifting the pressure vessel flange cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 Structural diagram of the middle and outer frame, sliders and side panels;

[0016] Figure 3 for Figure 1 A schematic diagram of the structure of the second servo motor, the bidirectional lead screw and the vertical plate;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the middle gear ring, gears and the first servo motor.

[0018] In the figure: 1. base; 2. adjustment device; 201. outer frame; 202. slider; 203. side plate; 204. threaded rod; 3. handle; 4. anti-slip rubber sleeve; 5. top plate; 6. rotating device; 601. gear ring; 602. gear; 603. first servo motor; 7. rotating shaft; 8. lifting device; 801. second servo motor; 802. bidirectional screw rod; 803. vertical plate; 804. connecting rod; 805. connecting block; 806. electromagnet; 9. pressure vessel cylinder; 10. pressure vessel flange cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0021] During the use of the conventional pressure vessel flange cover lifting device, the pressure vessel flange cover is connected to the lifting device. After the pressure vessel flange cover is lifted, the pressure vessel flange cover is still suspended on the top of the pressure vessel, which blocks the top of the pressure vessel, making it inconvenient to repair the interior of the pressure vessel, and further making it inconvenient to promote the use of the pressure vessel flange cover lifting device.

[0022] In view of this, the utility model provides a pressure vessel flange cover lifting device, which uses the universal wheel at the bottom of the base and the handle to move the base to the outer wall of the pressure vessel cylinder, and adjusts the position of the lifted pressure vessel flange cover by a rotating device. The pressure vessel flange cover will not block the top of the pressure vessel, thereby facilitating maintenance of the interior of the pressure vessel, and further facilitating the promotion and use of the pressure vessel flange cover lifting device.

[0023] Embodiment 1: Figure 1 , 2 , 3 and 4 show that a pressure vessel flange cover lifting device comprises a base 1, a handle 3 is installed on the outer wall of the base 1, a rotating shaft 7 is arranged on the top of the base 1, a top plate 5 is rotatably connected to the outer wall of the rotating shaft 7, a pressure vessel cylinder 9 is arranged on the inner wall of the base 1, a pressure vessel flange cover 10 is installed on the top of the pressure vessel cylinder 9, and the pressure vessel flange cover lifting device further comprises: an adjusting device 2, which is installed on the top of the base 1; a rotating device 6, which is installed on the top of the top plate 5; a lifting device 8, which is arranged above the top plate 5; wherein the adjusting device 2 can adjust the use height of the lifting device 8, the rotating device 6 can adjust the position of the lifting device 8, and the lifting device 8 lifts the pressure vessel flange cover 10;

[0024] In the specific implementation process, it is worth pointing out that the push handle 3 cooperates with the universal wheel to drive the base 1 to move to the outer wall of the pressure vessel cylinder 9, the universal wheel has a self-locking function, the adjustment device 2 adjusts the height of the lifting device 8 according to the height of the pressure vessel cylinder 9, the lifting device 8 is used to lift the pressure vessel flange cover 10 upward, and the position of the pressure vessel flange cover 10 is adjusted by the rotating device 6;

[0025] Furthermore, an anti-slip rubber sleeve 4 is installed on the outer wall of the handle 3;

[0026] In the specific implementation process, it is worth pointing out that the anti-slip rubber sleeve 4 increases the friction between the staff's hand and the handle 3;

[0027] Specifically, when using the pressure vessel flange cover lifting device, the anti-slip rubber sleeve 4 increases the friction between the staff's hand and the handle 3. The staff pushes the handle 3 to cooperate with the bottom universal wheel to drive the base 1 to move. The base 1 moves to the outer wall of the pressure vessel cylinder 9. The lifting device 8 adjusts the use height through the adjustment device 2, and the rotating device 6 adjusts the position of the pressure vessel flange cover 10. The lifting device 8 lifts the pressure vessel flange cover 10.

[0028] Embodiment 2: By Figure 1 , 2As can be seen from Figures 4, the adjustment device 2 includes: an outer frame 201, mounted on the top of the base 1; a slider 202, movably connected to the outer wall of the outer frame 201, and fixedly connected to the bottom of the rotating shaft 7; a side plate 203, mounted on the outer wall of the slider 202; a threaded rod 204, threadedly connected to the inner wall of the side plate 203, and rotatably connected to the inner wall of the outer frame 201, and the bottom of the threaded rod 204 is rotatably connected to the inner wall of the base 1; wherein, when the threaded rod 204 rotates, the slider 202 is driven to move through the side plate 203, and the slider 202 drives the top plate 5 to move through the rotating shaft 7;

[0029] In the specific implementation process, it is worth pointing out that when the threaded rod 204 rotates, the slider 202 is driven to move through the side plate 203, and the slider 202 drives the top plate 5 to move up and down through the rotating shaft 7;

[0030] Specifically, based on the above-mentioned embodiment 1, the staff twists the threaded rod 204 to rotate, and the threaded rod 204 drives the side plate 203 to move. Since the slider 202 is restricted by the outer frame 201, the threaded rod 204 drives the slider 202 to move through the side plate 203, and the slider 202 drives the top plate 5 to move upward through the rotating shaft 7, and the top plate 5 adjusts the use height of the lifting device 8.

[0031] Embodiment 3: By Figure 1 and 4 It can be seen that the rotating device 6 includes: a gear ring 601, which is installed above the top plate 5; a gear 602, which is meshed with the inner wall of the gear ring 601; a first servo motor 603, which is detachably connected to the top of the gear 602 and detachably connected to the outer wall of the rotating shaft 7; wherein, when the first servo motor 603 is working, the gear ring 601 is driven to rotate through the gear 602, and the gear ring 601 drives the top plate 5 to rotate;

[0032] In the specific implementation process, it is worth pointing out that the model of the first servo motor 603 is SM80-D601930, the first servo motor 603 drives the gear 602 to rotate, the gear 602 drives the gear ring 601 to rotate, and the gear ring 601 drives the top plate 5 to rotate;

[0033] Specifically, based on the above-mentioned embodiment 1, the external control panel controls the operation of the first servo motor 603, the first servo motor 603 drives the gear 602 to rotate, the gear 602 drives the gear ring 601 to rotate, the gear ring 601 drives the top plate 5 to rotate a certain amount, and the top plate 5 adjusts the position of the pressure vessel flange cover 10.

[0034] Embodiment 4: By Figure 1 and 3It can be known that the lifting device 8 includes: a second servo motor 801, which is detachably connected to the outer wall of the top plate 5; a bidirectional screw rod 802, which is rotatably connected to the inner wall of the top plate 5 through a bearing, and is detachably connected to the output end of the second servo motor 801; two vertical plates 803 are provided, both of which are threadedly connected to the outer wall of the bidirectional screw rod 802, and both are movably connected to the inside of the top plate 5; two connecting rods 804 are provided, which are respectively rotatably connected to the inner walls of the two vertical plates 803 through pins; two connecting blocks 805 are provided, both of which are rotatably connected to one end of the two connecting rods 804 through pins; an electromagnet 806 is installed at the bottom of the connecting block 805; wherein, when the second servo motor 801 is working, the vertical plate 803 is driven to move through the bidirectional screw rod 802, and the vertical plate 803 drives the electromagnet 806 at the bottom of the connecting block 805 to move through the connecting rod 804, and the electromagnet 806 adsorbs the flange cover 10 of the pressure vessel to lift it;

[0035] In the specific implementation process, it is worth pointing out that the model of the second servo motor 801 is 60CB060C-500000, the model of the electromagnet 806 is MQ1-1.5N, the second servo motor 801 drives the bidirectional screw 802 to rotate when working, the bidirectional screw 802 drives the connecting rod 804 to move through the vertical plate 803, the connecting rod 804 drives the electromagnet 806 to move upward through the connecting block 805, and the electromagnet 806 drives the pressure vessel flange cover 10 to move upward after adsorbing the pressure vessel flange cover 10;

[0036] Specifically, on the basis of the above-mentioned embodiment 1, the external control panel controls the operation of the electromagnet 806, and the electromagnet 806 adsorbs the pressure vessel flange cover 10. At this time, the external control panel controls the operation of the second servo motor 801, and the second servo motor 801 drives the bidirectional screw rod 802 to rotate. The bidirectional screw rod 802 drives the connecting rod 804 to move through the vertical plate 803. The connecting rod 804 drives the electromagnet 806 to move upward through the connecting block 805, and the electromagnet 806 lifts the pressure vessel flange cover 10 upward.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0038] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure vessel flange cover lifting device, comprising a base (1), characterized in that: The outer wall of the base (1) is provided with a handle (3), the top of the base (1) is provided with a rotating shaft (7), the outer wall of the rotating shaft (7) is rotatably connected with a top plate (5), the inner wall of the base (1) is provided with a pressure vessel cylinder (9), the top of the pressure vessel cylinder (9) is provided with a pressure vessel flange cover (10), and the pressure vessel flange cover lifting device further comprises: An adjustment device (2) is installed on the top of the base (1); A rotating device (6) is installed on the top of the top plate (5); A lifting device (8) is arranged above the top plate (5); The adjusting device (2) is capable of adjusting the use height of the lifting device (8), the rotating device (6) is capable of adjusting the position of the lifting device (8), and the lifting device (8) lifts the flange cover (10) of the pressure vessel.

2. A pressure vessel flange cover lifting device according to claim 1, characterized in that: The outer wall of the handle (3) is provided with an anti-slip rubber sleeve (4).

3. A pressure vessel flange cover lifting device according to claim 1, characterized in that: The adjusting device (2) comprises: An outer frame (201) is mounted on the top of the base (1); A slider (202) is movably connected to the outer wall of the outer frame (201) and is fixedly connected to the bottom of the rotating shaft (7); A side plate (203) mounted on the outer wall of the slider (202); A threaded rod (204) is threadedly connected to the inner wall of the side plate (203) and is rotatably connected to the inner wall of the outer frame (201); the bottom of the threaded rod (204) is rotatably connected to the inner wall of the base (1); When the threaded rod (204) rotates, it drives the slider (202) to move via the side plate (203), and the slider (202) drives the top plate (5) to move via the rotating shaft (7).

4. A pressure vessel flange cover lifting device according to claim 1, characterized in that: The rotating device (6) comprises: A gear ring (601) is installed above the top plate (5); A gear (602) meshed with the inner wall of the gear ring (601); A first servo motor (603) is detachably connected to the top of the gear (602) and is detachably connected to the outer wall of the rotating shaft (7); When the first servo motor (603) is in operation, it drives the gear ring (601) to rotate via the gear (602), and the gear ring (601) drives the top plate (5) to rotate.

5. A pressure vessel flange cover lifting device according to claim 1, characterized in that: The lifting device (8) comprises: A second servo motor (801) is detachably connected to the outer wall of the top plate (5); A bidirectional screw rod (802) is rotatably connected to the inner wall of the top plate (5) via a bearing and is detachably connected to the output end of the second servo motor (801); Two vertical plates (803) are provided, both of which are threadedly connected to the outer wall of the bidirectional screw rod (802) and are movably connected to the inside of the top plate (5); Two connecting rods (804) are provided and are rotatably connected to the inner walls of the two vertical plates (803) through pins respectively; Two connecting blocks (805) are provided, each of which is rotatably connected to one end of the two connecting rods (804) via a pin shaft; An electromagnet (806) is installed at the bottom of the connecting block (805); When the second servo motor (801) is in operation, it drives the vertical plate (803) to move via the bidirectional screw rod (802); the vertical plate (803) drives the electromagnet (806) at the bottom of the connecting block (805) to move via the connecting rod (804); and the electromagnet (806) absorbs the flange cover (10) of the pressure vessel to lift it.

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