Liquid nitrogen unloading platform

Abstract

The utility model belongs to the technical field of liquid nitrogen unloading, and particularly relates to a liquid nitrogen unloading platform which comprises a rotating platform and further comprises a pre-embedded fixing seat, a liquid nitrogen unloading platform and a liquid nitrogen unloading platform, the hydraulic jack is fixed on the top surface of the embedded fixing seat; the lifting platform is fixed to the top end of a piston rod of the pre-embedded fixing base, and the rotating platform is rotationally connected to the top of the lifting platform; the driving mechanism is connected to the rotating platform in a drivable manner and is used for driving the rotating platform to rotate; according to the liquid nitrogen tank car, the height of the rotating platform can be adjusted through the hydraulic jack so as to adjust the height of the liquid nitrogen tank car, the rotating platform can be driven to rotate through the driving mechanism so as to adjust the horizontal orientation of the liquid nitrogen tank car, it is guaranteed that the orientation of a liquid unloading pipeline connector is consistent with that of a nitrogen storage tank connector, and the safety of nitrogen unloading is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to liquid nitrogen unloading technology field, concretely relates to a liquid nitrogen unloading platform. BACKGROUND

[0002] Liquid nitrogen refers to liquid nitrogen, often in some industrial production process is applied, liquid nitrogen is transported through liquid nitrogen tank car and is unloaded on the platform in the factory area to the liquid nitrogen tank car unloading operation.

[0003] In the process of unloading the liquid nitrogen tank car, the unloading liquid booster pipe, the unloading gas phase pipe and the unloading liquid phase pipe are connected with the corresponding pipeline in the liquid nitrogen tank car.

[0004] For example, in the prior art, the authorized announcement number CN220567078U Chinese utility model patent discloses "a liquid nitrogen unloading platform", including support frame and bottom frame, the top of support frame is equipped with nitrogen storage tank, the rear side wall of bottom frame is equipped with moving frame, support frame is used for supporting and fixing the nitrogen storage tank for storing after unloading the liquid nitrogen tank car, the rear side of bottom frame is equipped with moving frame.

[0005] The liquid nitrogen unloading platform in the prior art including the above, although it can meet the general use demand, but cannot adjust the direction of the liquid nitrogen tank car, that is, cannot adjust the orientation of the unloading pipeline interface, and is easy to produce the phenomenon of pipeline distortion, which affects the safety of unloading nitrogen.

[0006] To solve the above problems, the utility model provides a kind of liquid nitrogen unloading platform. UTILITY MODEL CONTENT

[0007] To solve the above problems in the prior art, the utility model provides a kind of liquid nitrogen unloading platform, with the characteristics of convenient to use, easy to adjust and high safety performance.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a kind of liquid nitrogen unloading platform, including rotating platform, still include:

[0009] Pre-buried fixed seat, the pre-buried fixed seat is buried in ground bottom;

[0010] Hydraulic jack, the hydraulic jack is fixed on the top surface of the pre-buried fixed seat;

[0011] Lifting platform, the lifting platform is fixed on the piston rod top end of the pre-buried fixed seat, the rotating platform is rotationally connected to the top of the lifting platform;

[0012] Driving mechanism, the driving mechanism is drivingly connected to the rotating platform, for driving the rotating platform rotation.

[0013] As a preferred technical scheme of the utility model, the driving mechanism comprises:

[0014] The rotating column is rotatably connected to the lifting platform at the bottom end and fixedly connected to the rotating platform at the top end.

[0015] The worm wheel is fixed on the rotating column.

[0016] The first hole mounting lug is fixed on the top surface of the lifting platform.

[0017] The worm is rotatably mounted between the two first hole mounting lugs and engaged with the worm wheel.

[0018] The driving motor is fixed on the first hole mounting lug and used for driving the worm to rotate.

[0019] As a preferred technical scheme of the utility model, the utility model also comprises:

[0020] The bottom end of the rotating column is rotatably connected to the lifting platform by the bearing.

[0021] As a preferred technical scheme of the utility model, the hydraulic jack is distributed with a plurality of intervals in the circumferential direction.

[0022] As a preferred technical scheme of the utility model, the utility model also comprises an auxiliary limiting mechanism, two groups of the auxiliary limiting mechanism are oppositely fixed on the rotating platform and used for limiting the wheels of the liquid nitrogen tank car, and the auxiliary limiting mechanism comprises:

[0023] The auxiliary limiting rod has a through hole on the rotating platform for the auxiliary limiting rod to penetrate.

[0024] The U-shaped frame is fixed on the bottom surface of the rotating platform corresponding to the position of the auxiliary limiting rod.

[0025] The electric push rod is fixed on the bottom surface of the U-shaped frame, and the piston rod of the electric push rod is fixedly connected with the auxiliary limiting rod after penetrating the U-shaped frame.

[0026] As a preferred technical scheme of the utility model, the auxiliary limiting mechanism further comprises:

[0027] The guide column is oppositely fixed on the bottom surface of the auxiliary limiting rod, and the guide column penetrates the U-shaped frame.

[0028] As a preferred technical scheme of the utility model, the utility model also comprises an auxiliary supporting mechanism, two groups of the auxiliary supporting mechanism are oppositely fixed on the bottom surface of the rotating platform, and the auxiliary supporting mechanism comprises:

[0029] Second hole mounting ears, two of the second hole mounting ears are symmetrically fixed to the bottom surface of the rotating platform;

[0030] Supporting rollers, the supporting rollers are rotatably installed between the two second hole mounting ears, and outer walls of the supporting rollers abut against the top surface of the lifting platform.

[0031] As a preferred technical scheme of the utility model, the auxiliary supporting mechanism further comprises:

[0032] Connecting plates, the connecting plates are fixed between the two second hole mounting ears in the vertical direction.

[0033] Compared with the prior art, the utility model has the beneficial effects that:

[0034] In the utility model, the height of the rotating platform can be adjusted by the hydraulic jack, so that the height of the liquid nitrogen tank truck is adjusted, the driving mechanism can drive the rotating platform to rotate, so that the horizontal orientation of the liquid nitrogen tank truck is adjusted, the interface of the unloading pipeline and the interface of the nitrogen storage tank are ensured to be oriented in the same direction, and the safety of nitrogen unloading is improved.

[0035] Other additional advantages and beneficial effects of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0036] The accompanying drawings are intended to provide a further understanding of the utility model and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0037] Figure 1 It is a structural schematic view of the utility model;

[0038] Figure 2 It is a structural schematic view of the driving mechanism shaft of the utility model;

[0039] Figure 3 It is a structural schematic view of the auxiliary limiting mechanism shaft of the utility model;

[0040] Figure 4 It is a structural schematic view of the auxiliary supporting mechanism shaft of the utility model.

[0041] In the figure: 1, pre-buried fixed seat; 2, hydraulic jack; 3, lifting platform; 4, rotating platform; 41, through hole; 5, driving mechanism; 51, rotating column; 52, bearing; 53, worm wheel; 54, No. 1 hole mounting lug; 55, worm; 56, driving motor; 6, auxiliary limiting mechanism; 61, auxiliary limiting rod; 62, U-shaped frame; 63, electric push rod; 64, guide stand; 7, auxiliary support mechanism; 71, No. 2 hole mounting lug; 72, supporting roller; 73, connecting plate. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0043] Please refer to Figures 1-4 The present application provides the following technical solutions: a liquid nitrogen unloading platform, comprising a rotating platform 4, further comprising: a pre-buried fixed seat 1, a hydraulic jack 2, a lifting platform 3 and a driving mechanism 5.

[0044] Further, as shown in Figure 1 In the present embodiment, the pre-buried fixed seat 1 is buried in the ground, the hydraulic jack 2 is fixed to the top surface of the pre-buried fixed seat 1, the lifting platform 3 is fixed to the top end of the piston rod of the pre-buried fixed seat 1, the rotating platform 4 is rotationally connected to the top of the lifting platform 3, and the driving mechanism 5 is drivingly connected to the rotating platform 4 for driving the rotating platform 4 to rotate. After using the above-mentioned scheme, in use, a foundation pit of appropriate size and depth is first dug on the ground, and the liquid nitrogen unloading platform is buried in the foundation pit. In the initial state, the rotating platform 4 is flush with the ground. When unloading, the liquid nitrogen tank truck is parked on the rotating platform 4, then the hydraulic jack 2 is started, the lifting platform 3 is pushed up by the piston rod of the hydraulic jack 2, so that the liquid nitrogen tank truck is raised to an appropriate height, then the driving mechanism 5 is started, the rotating platform 4 is driven to rotate by the driving mechanism 5, so that the liquid nitrogen tank truck is horizontally rotated to adjust the horizontal orientation of the liquid nitrogen tank truck, and ensure that the interface of the unloading pipeline and the interface of the nitrogen storage tank are oriented consistently, thereby improving the safety of nitrogen unloading. Finally, the unloading pipe is used for unloading. The present application adjusts the height of the rotating platform 4 by the hydraulic jack 2 to adjust the height of the liquid nitrogen tank truck, and drives the rotating platform 4 to rotate by the driving mechanism 5 to adjust the horizontal orientation of the liquid nitrogen tank truck, so that the interface of the unloading pipeline and the interface of the nitrogen storage tank are oriented consistently, thereby improving the safety of nitrogen unloading.

[0045] Alternatively, as shown in Figure 1 and Figure 2As shown, in this embodiment, the driving mechanism 5 comprises a rotating column 51, a worm wheel 53, a first hole mounting lug 54, a worm 55 and a driving motor 56, the bottom end of the rotating column 51 is rotatably connected with the lifting platform 3, the top end is fixedly connected with the rotating platform 4, the worm wheel 53 is fixed on the rotating column 51, the two first hole mounting lugs 54 are symmetrically fixed on the top surface of the lifting platform 3, the worm 55 is rotatably installed between the two first hole mounting lugs 54 and engaged with the worm wheel 53, and the driving motor 56 is fixed on the first hole mounting lug 54 and used to drive the worm 55 to rotate. After the above scheme is adopted, in use, the driving motor 56 is started to drive the worm 55 to rotate, the worm 55 drives the worm wheel 53 to rotate through the engagement, and the worm wheel 53 drives the rotating platform 4 to rotate through the rotating column 51.

[0046] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, it further comprises a bearing 52, the bottom end of the rotating column 51 is rotatably connected with the lifting platform 3 through the bearing 52, the use of the bearing 52 ensures the smoothness and stability of rotation, reduces friction and wear, and improves the operation efficiency and service life of the whole system.

[0047] Preferably, by Figure 1 As shown, in this embodiment, the hydraulic jack 2 is distributed in the circumferential direction at equal intervals, and after the above scheme is adopted, in use, the distribution mode of the hydraulic jack 2 can better disperse the load and improve the stability and reliability of the whole system.

[0048] Preferably, by Figures 1-3 As shown, in this embodiment, it further comprises an auxiliary limiting mechanism 6, two groups of auxiliary limiting mechanisms 6 are symmetrically installed on the rotating platform 4 and used to limit the wheels of the liquid nitrogen tank car, and the auxiliary limiting mechanism 6 comprises an auxiliary limiting rod 61, a U-shaped frame 62 and an electric push rod 63, the rotating platform 4 has a through hole 41 for the auxiliary limiting rod 61 to penetrate, the U-shaped frame 62 is fixed to the bottom surface of the rotating platform 4 at a position corresponding to the auxiliary limiting rod 61, and the electric push rod 63 is fixed to the bottom surface of the U-shaped frame 62, and the piston rod of the electric push rod 63 is fixedly connected with the auxiliary limiting rod 61 after penetrating the U-shaped frame 62. After the above scheme is adopted, in use, after the liquid nitrogen tank car is stopped, the electric push rod 63 is started, the piston rod of the electric push rod 63 pushes the auxiliary limiting rod 61 to move up, the auxiliary limiting rod 61 blocks the wheels of the liquid nitrogen tank car, further improves the stability of the liquid nitrogen tank car, and improves the safety of the nitrogen unloading operation.

[0049] Preferably, by Figures 1-3As shown, in the embodiment, the auxiliary limiting mechanism 6 further comprises: guide columns 64, two guide columns 64 are fixed symmetrically on the bottom surface of the auxiliary limiting rod 61, and the guide columns 64 penetrate through the U-shaped frame 62, after the above scheme is used, on the one hand, the two guide columns 64 can play a guiding and limiting role, ensuring that the auxiliary limiting rod 61 moves in a specific direction, preventing it from deviating or misplacing, on the other hand, the two guide columns 64 help to enhance the connectivity and integrity of the whole structure, improve the strength and stability of the structure.

[0050] Preferably, by Figure 1 and Figure 4 As shown, in the embodiment, the auxiliary supporting mechanism 7 further comprises: connecting plates 73, a plurality of connecting plates 73 are fixed equidistantly between the two second hole mounting ears 71 in the vertical direction, after the above scheme is used, in use, the design of the plurality of connecting plates 73 further improves the structural strength of the connection between the two second hole mounting ears 71, thereby improving the stability of the auxiliary supporting mechanism 7.

[0051] Preferably, by Figure 1 and Figure 4 As shown, in the embodiment, the auxiliary supporting mechanism 7 further comprises: connecting plates 73, a plurality of connecting plates 73 are fixed equidistantly between the two second hole mounting ears 71 in the vertical direction, after the above scheme is used, in use, the design of the plurality of connecting plates 73 further improves the structural strength of the connection between the two second hole mounting ears 71, thereby improving the stability of the auxiliary supporting mechanism 7.

[0052] It should be noted that the hydraulic jack 2, the drive motor 56 and the electric push rod 63 are all conventional equipment purchased in the market, with built-in power switches, and those skilled in the art can make conventional selection according to the use needs, the working principle thereof is the common knowledge of those skilled in the art and has been fully disclosed by the prior art, and therefore will not be described in detail herein.

[0053] The circuit connection of the utility model relates to the common means adopted by the person skilled in the art, and can obtain technical inspiration through limited tests, and belongs to the prior art widely used.

[0054] The components not described in detail herein are prior art.

[0055] The working principle and use process of the utility model: the unloading platform of the utility model, when using, first dig the foundation pit of appropriate size and depth on the ground, bury the liquid nitrogen unloading platform in the foundation pit, when in initial state, the rotating platform 4 is flush with the ground;

[0056] When unloading, the liquid nitrogen tank car is parked on the rotating platform 4, then the hydraulic jack 2 is started, the piston rod of the hydraulic jack 2 is used to push the lifting platform 3 to rise, the liquid nitrogen tank car is lifted to the appropriate height, then the driving mechanism 5 is started, the rotating platform 4 is driven to rotate through the driving mechanism 5, the liquid nitrogen tank car is horizontally rotated, the horizontal orientation of the liquid nitrogen tank car is adjusted, the interface of the unloading pipeline and the interface of the nitrogen storage tank are ensured to be consistent in orientation, the safety of unloading nitrogen is improved, finally the unloading of the nitrogen pipe is used to unload the car;

[0057] The utility model discloses through the hydraulic jack 2 that sets up can adjust the height of rotating platform 4, with the height of liquid nitrogen tank car is adjusted, through the driving mechanism 5 that sets up can drive rotating platform 4 to rotate, with the horizontal orientation of liquid nitrogen tank car is adjusted, the interface of the unloading pipeline and the interface of the nitrogen storage tank are ensured to be consistent in orientation, the safety of unloading nitrogen is improved.

[0058] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A liquid nitrogen unloading platform comprising a rotating platform (4), characterized in that, Also include: Pre-buried fixed seat (1), the pre-buried fixed seat (1) is buried in the ground; Hydraulic jack (2), the hydraulic jack (2) is fixed on the top surface of the pre-buried fixed seat (1); Lifting platform (3), the lifting platform (3) is fixed on the top end of the piston rod of the pre-buried fixed seat (1), and the rotating platform (4) is rotatably connected to the top of the lifting platform (3); Driving mechanism (5), the driving mechanism (5) is drivingly connected to the rotating platform (4) for driving the rotating platform (4) to rotate.

2. The liquid nitrogen unloading platform of claim 1, wherein: The driving mechanism (5) comprises: Rotary column (51), the bottom end of the rotary column (51) is rotatably connected with the lifting platform (3), and the top end is fixedly connected with the rotating platform (4); Worm wheel (53), the worm wheel (53) is fixed on the rotary column (51); One hole mounting ear (54), two one hole mounting ears (54) are symmetrically fixed on the top surface of the lifting platform (3); Worm (55), the worm (55) is rotatably installed between two one hole mounting ears (54) and is engaged with the worm wheel (53); Driving motor (56), the driving motor (56) is fixed on the one hole mounting ear (54) for driving the worm (55) to rotate.

3. The liquid nitrogen unloading platform of claim 2, wherein: Also include: Bearing (52), the bottom end of the rotary column (51) is rotatably connected with the lifting platform (3) by the bearing (52).

4. The liquid nitrogen unloading platform of claim 1, wherein: The hydraulic jack (2) is distributed with multiple in the circumferential direction.

5. The liquid nitrogen unloading platform of claim 1, wherein: Also include auxiliary limiting mechanism (6), two groups of the auxiliary limiting mechanism (6) are symmetrically installed on the rotating platform (4) for limiting the wheels of the liquid nitrogen tank truck, and the auxiliary limiting mechanism (6) comprises: Auxiliary limiting rod (61), the auxiliary limiting rod (61) has a through hole (41) for penetrating on the rotating platform (4); U-shaped frame (62), the U-shaped frame (62) is fixed to the bottom surface of the rotating platform (4) corresponding to the position of the auxiliary limiting rod (61); Electric push rod (63), the electric push rod (63) is fixed to the bottom surface of the U-shaped frame (62), and the piston rod of the electric push rod (63) is fixedly connected with the auxiliary limiting rod (61) after penetrating the U-shaped frame (62).

6. The liquid nitrogen unloading platform of claim 5, wherein: The auxiliary limiting mechanism (6) further comprises: Guide column (64), two guide columns (64) are symmetrically fixed to the bottom surface of the auxiliary limiting rod (61), and the guide column (64) penetrates the U-shaped frame (62).

7. The liquid nitrogen unloading platform of claim 1, wherein: Also include auxiliary support mechanism (7), two groups of the auxiliary support mechanism (7) are symmetrically fixed to the bottom surface of the rotating platform (4), and the auxiliary support mechanism (7) comprises: Two hole mounting ears (71), two two hole mounting ears (71) are symmetrically fixed to the bottom surface of the rotating platform (4); Support roller (72), the support roller (72) is rotatably installed between two two hole mounting ears (71), and the outer wall of the support roller (72) abuts against the top surface of the lifting platform (3).

8. The liquid nitrogen unloading platform of claim 7, wherein: The auxiliary support mechanism (7) further comprises: A plurality of connecting plates (73) are fixed between the two No. 2 hole mounting ears (71) in the vertical direction.

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