Filling liquid storage bag lifting device

Abstract

The utility model discloses a filling liquid storage bag lifting device which comprises a bearing frame, a hanging assembly, a sliding assembly and a power assembly, and a hanging rod is fixedly arranged in the middle of the upper side of the bearing frame; the hanging assembly comprises a hook and a hanging rope with one end fixedly connected with the hook. The sliding assembly comprises a first fixed pulley arranged in the middle of the hanging rod. The hook is positioned below the first fixed pulley; the power assembly comprises a first fixing piece, a second fixing piece, a rotating shaft, a wire wheel, a worm wheel, a lifting motor and a worm. The other end of the hanging rope is fixedly connected with the line wheel after being connected with the sliding assembly in a sliding mode. By the adoption of the bearing frame, the hanging assembly, the sliding assembly and the power assembly, the length of the hanging rope and the height of the hook can be adjusted in time according to the height required by filling, and therefore filling convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of isolation operation, in particular to a lifting device for a filling liquid storage bag. Background Art

[0002] Liquid storage bags are used in the disposable filling system of biological products. The function of liquid storage bags is to temporarily store the stock solution / API solution and provide a stable supply of solution for filling. The commonly used liquid storage bag specifications are 5L-50L. When the volume of the liquid storage bag is 20L-50L, the liquid storage bag is generally placed horizontally on the storage platform. When the filling is completed, due to the low liquid level in the liquid storage bag, one end of the liquid storage bag needs to be lifted by a lifting device, and the liquid in the liquid storage bag needs to be filled.

[0003] The existing lifting device includes a power device and a load-bearing frame, a load-bearing rod is arranged on the load-bearing frame, two fixed pulleys are fixedly installed at the middle position and the end position of the load-bearing rod, and the power device is connected with a suspension rope, the other end of the suspension rope is slidably connected with the two fixed pulleys in turn, and a hook is extended downward from the fixed pulley at the middle position to hang the liquid storage bag. The liquid storage bag can be lifted by the power device of the electric winch to achieve the filling of the liquid medicine.

[0004] However, when the liquid storage bag is lifted by an electric winch with a self-locking system, it is impossible to adjust the length of the suspension rope and the height of the hook in time according to the required filling height to improve the convenience of filling. Utility Model Content

[0005] The main purpose of the utility model is to provide a filling liquid storage bag lifting device, which aims to timely adjust the length of the hanging rope and the height of the hook according to the filling demand height, so as to improve the convenience of filling.

[0006] In order to achieve the above-mentioned purpose, the filling liquid storage bag lifting device proposed in the utility model comprises:

[0007] A load-bearing frame, wherein a hanging rod is fixedly arranged at the middle position of the upper side of the load-bearing frame;

[0008] A hanging assembly, the hanging assembly comprising a hook and a hanging rope with one end fixedly connected to the hook;

[0009] A sliding assembly, the sliding assembly comprising a first fixed pulley disposed in the middle of the suspension rod; a hook located at the lower end of the first fixed pulley; and

[0010] A power assembly, the power assembly includes a first fixing member fixedly arranged on the load-bearing frame, a second fixing member fixedly arranged on the load-bearing frame and arranged corresponding to the first fixing member, a rotating shaft with two ends respectively connected to the first fixing member and the second fixing member for rotation, a wire wheel fixedly arranged on the rotating shaft, a worm wheel fixedly arranged on the rotating shaft, a lifting motor fixedly arranged on the load-bearing frame, and a worm fixedly arranged on the output shaft of the lifting motor; the worm wheel is meshed with the worm, and the other end of the suspension rope is slidably connected to the sliding assembly and then fixedly connected to the wire wheel.

[0011] Optionally, the load-bearing frame includes two first cross bars arranged on the top of the load-bearing frame, two second cross bars arranged on the top of the load-bearing frame and fixedly connected to the two first cross bars at both ends, and four load-bearing columns whose top ends are fixed to the connection between the first cross bars and the second cross bars; the sliding assembly also includes a second fixed pulley fixedly arranged on the first cross bar on one side close to the power assembly, and the second fixed pulley is located on the outer side of the load-bearing frame;

[0012] The two ends of the suspension rod are respectively fixedly connected to the two second cross bars.

[0013] Optionally, a connecting rod is provided between two load-bearing columns on one side close to the power assembly; the sliding assembly also includes a third fixed pulley fixedly provided on the connecting rod.

[0014] Optionally, the first fixed pulley, the second fixed pulley and the third fixed pulley are used to slide the suspension rope and reduce the friction between the suspension rope and the sliding assembly;

[0015] The sliding path of the suspension rope when lifting the liquid medicine does not contact the load-bearing frame;

[0016] The first fixed pulley is fixed to the suspension rod through a pulley fixing piece, the second fixed pulley is fixed to the first cross bar through a pulley fixing piece, and the third fixed pulley is fixed to the connecting rod through a pulley fixing piece.

[0017] Optionally, it also includes four universal wheels arranged at the four corners of the bottom of the load-bearing frame.

[0018] Optionally, the load-bearing frame includes two third cross bars arranged at the bottom of the load-bearing frame, two fourth cross bars arranged at the bottom of the load-bearing frame and fixedly connected to the two third cross bars at both ends, and four second connecting rods connecting the third cross bars and the fourth cross bars; a universal wheel is fixedly arranged on a second connecting rod.

[0019] Optionally, four height-adjusting feet are provided at four corners of the bottom of the load-bearing frame.

[0020] Optionally, a height-adjusting foot passes through a lower end of a load-bearing column and is threadedly connected to the load-bearing column.

[0021] Optionally, the load-bearing frame also includes a first connecting plate fixedly connected to the third cross bar and the fourth cross bar on all sides, and the power assembly is fixedly arranged on the first connecting plate; the first fixing member, the second fixing member and the lower end of the lifting motor are fixed on the first connecting plate.

[0022] Optionally, it further comprises: a stable sealing cavity; the load-bearing frame comprises two fifth cross bars arranged in the middle of the load-bearing frame, two sixth cross bars arranged in the middle of the load-bearing frame and respectively fixedly connected to the two fifth cross bars at both ends, a third connecting rod respectively connected to the two fifth cross bars at both ends, and a fourth connecting rod respectively connected to the two third cross bars at both ends;

[0023] Six sealing plates are arranged on the outside of two third cross bars, two fourth cross bars, two fifth cross bars, two sixth cross bars, one third connecting rod, one fourth connecting rod and two load-bearing columns. The stable sealing cavity is located in the enclosed space surrounded by the six sealing plates, and the inside of the stable sealing cavity is filled with sand.

[0024] The utility model adopts a load-bearing frame, a suspension component, a sliding component and a power component to timely adjust the length of the suspension rope and the height of the hook according to the filling requirement, so as to improve the convenience of filling. The worm is driven by the lifting motor to drive the worm wheel to rotate, so as to realize the self-locking function of the power component and prevent the hook from falling due to the hanging of the liquid storage bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0026] Figure 1 This is a schematic structural diagram of an embodiment of a fully enclosed filling liquid storage bag lifting device of the utility model;

[0027] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0028] Figure 3 for Figure 1 Cross-sectional view in the BB direction;

[0029] Figure 4 for Figure 3 A partial enlarged view of .

[0030] The main component symbols are described as follows:

[0031] The load-bearing frame 1; the suspension rod 11; the first cross bar 12; the second cross bar 13; the load-bearing column 14; the connecting rod 15; the third cross bar 16; the fourth cross bar 17; the fifth cross bar 18; the sixth cross bar 19; the third connecting rod 112; the fourth connecting rod 113; the sealing plate 114; the hook 21; the suspension rope 22; the first fixed pulley 31; the second fixed pulley 32; the third fixed pulley 33; the pulley fixing member 34; the first fixing member 41; the second fixing member 42; the rotating shaft 43; the wire wheel 44; the worm wheel 45; the lifting motor 46; the worm 47; the height-adjusting foot 5; the universal wheel 6; the stable sealing chamber 8.

[0032] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings.

[0034] 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 of 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.

[0035] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0037] The utility model provides a lifting device for a filling liquid storage bag.

[0038] In the embodiment of the present utility model, Figures 1 to 4As shown, the filling liquid storage bag lifting device is used to adjust the height of the liquid storage bag according to the filling height during filling, and the filling liquid storage bag lifting device includes: a load-bearing frame 1, a suspension assembly, a sliding assembly and a power assembly, a suspension rod 11 is fixedly arranged at the middle position of the upper side of the load-bearing frame 1; the suspension assembly includes a hook 21 and a suspension rope 22 fixedly connected to the hook at one end; the sliding assembly includes a first fixed pulley 31 arranged in the middle of the suspension rod 11; the hook 21 is located at the lower end of the first fixed pulley 31, and the hook 21 is used to hang the liquid storage bag so as to fill the liquid in the liquid bag, wherein the hook 21 is a stainless steel double-headed The power assembly includes a first fixing member 41 fixedly mounted on the load-bearing frame 1, a second fixing member 42 fixedly mounted on the load-bearing frame 1 and corresponding to the first fixing member 41, a rotating shaft 43 whose two ends are respectively connected to the first fixing member 41 and the second fixing member 42 for rotation, a wire wheel 44 fixedly mounted on the rotating shaft 43, a worm gear 45 fixedly mounted on the rotating shaft 43, a lifting motor 46 fixedly mounted on the load-bearing frame 1, and a worm 47 fixedly mounted on the output shaft of the lifting motor 46; the worm gear 45 is meshed with the worm gear 47, and the other end of the suspension rope 22 is slidably connected to the sliding assembly and then fixedly connected to the wire wheel 44. The filling liquid storage bag lifting device may also include a controller electrically connected to the lifting motor 46, and the lifting motor 46 may be controlled by the controller to rotate forward and reverse, thereby driving the hook 21 to rise or fall through the worm gear 47, the worm gear 45, the wire wheel 44 and the suspension rope 22, so as to drive the liquid storage bag placed on the hook 21 to rise or fall. The filling liquid storage bag lifting device may also include a control switch electrically connected to the lifting motor 46, which can control the forward and reverse rotation of the lifting motor 46 through the control switch, thereby driving the hook 21 to rise or fall through the worm 47, worm gear 45, pulley 44 and suspension rope 22, thereby driving the liquid storage bag placed on the hook 21 to rise or fall.

[0039] The utility model adopts the load-bearing frame 1, the suspension assembly, the sliding assembly and the power assembly to timely adjust the length of the suspension rope 22 and the height of the hook according to the filling requirement height, so as to improve the convenience of filling. The worm 47 can be driven by the lifting motor 46 to drive the worm wheel 45 to rotate, so as to realize the self-locking function of the power assembly, thereby preventing the hook 21 from falling due to the suspension of the liquid storage bag.

[0040] Specifically, in order to reduce the friction between the suspension rope 22 and the lifting device and lift the liquid storage bag more labor-savingly, the load-bearing frame 1 includes two first cross bars 12 arranged at the top of the load-bearing frame 1, two second cross bars 13 arranged at the top of the load-bearing frame 1 and fixedly connected to the two first cross bars 12 at both ends, and four load-bearing columns 14 whose top ends are fixed to the connection between the first cross bars 12 and the second cross bars 13 respectively; the sliding assembly also includes a second fixed pulley 32 fixedly arranged on the first cross bar 12 near the side of the power assembly, and the second fixed pulley 32 is located outside the load-bearing frame 1; the other end of the suspension rope 22 is respectively slidably connected to the first fixed pulley 31 and the second fixed pulley 32 in turn, and then fixedly connected to the wire wheel 44. The two ends of the suspension rod 11 are fixedly connected to the two second cross bars 13 respectively.

[0041] Specifically, in order to further increase the friction between the suspension rope 22 and the lifting device and lift the liquid storage bag more labor-savingly, a connecting rod 15 is arranged between the two load-bearing columns 14 on the side close to the power component; the sliding component also includes a third fixed pulley 33 fixedly arranged on the connecting rod 15.

[0042] Specifically, in order to reduce the friction between the suspension rope 22 and the first fixed pulley 31, the second fixed pulley 32 and the third fixed pulley 33, the first fixed pulley 31, the second fixed pulley 32 and the third fixed pulley 33 are used to slide the suspension rope 22 and reduce the friction between the suspension rope and the sliding assembly; the sliding path of the suspension rope 22 when lifting the liquid medicine does not contact the load-bearing frame 1. The first fixed pulley 31 is fixed to the suspension rod 11 through the pulley fixing member 34, the second fixed pulley 32 is fixed to the first cross bar 12 through the pulley fixing member 34, and the third fixed pulley 33 is fixed to the connecting rod 15 through the pulley fixing member 34.

[0043] Specifically, in order to realize the mobile filling liquid storage bag lifting device, the filling liquid storage bag lifting device also includes four universal wheels 6 arranged at the four corners of the bottom of the load-bearing frame 1.

[0044] Specifically, in order to better fix the universal wheel 6, the load-bearing frame 1 includes two third cross bars 16 arranged at the bottom of the load-bearing frame 1, two fourth cross bars 17 arranged at the bottom of the load-bearing frame 1 and fixedly connected to the two third cross bars 16 at both ends, and four second connecting rods connecting the third cross bars 16 and the fourth cross bars 17; the four second connecting rods are respectively located at the four corners of the bottom of the load-bearing frame 1, and the two ends of the second connecting rods are respectively fixedly connected to the third cross bar 16 and the fourth cross bar 17, and a universal wheel 6 is fixedly set on a second connecting rod.

[0045] Specifically, in order to fix the filling liquid storage bag lifting device and adjust the height of the filling liquid storage bag lifting device, the filling liquid storage bag lifting device also includes four height adjusting feet 5 arranged at four corners of the bottom of the load-bearing frame 1.

[0046] Specifically, in order to better fix and install the height-adjusting foot 5 , one height-adjusting foot 5 passes through the lower end of one load-bearing column 14 and is threadedly connected to the load-bearing column 14 .

[0047] Specifically, in order to facilitate the installation and fixation of the power component, the load-bearing frame 1 also includes a first connecting plate fixedly connected to the third cross bar 16 and the fourth cross bar 17 on all sides, and the power component is fixedly arranged on the first connecting plate; the first fixing member 41, the second fixing member 42 and the lower end of the lifting motor 46 are fixed on the first connecting plate.

[0048] Specifically, in order to maintain the stability of the filling liquid storage bag lifting device and prevent the filling liquid storage bag lifting device from tipping over due to the excessive weight of the liquid storage bag, the filling liquid storage bag lifting device also includes: a stable sealed chamber 8; the load-bearing frame 1 includes two fifth cross bars 18 arranged in the middle of the load-bearing frame 1, two sixth cross bars 19 arranged in the middle of the load-bearing frame 1 and fixedly connected to the two fifth cross bars 18 at both ends, a third connecting rod 112 connected to the two fifth cross bars 18 at both ends, and a fourth connecting rod 113 connected to the two third cross bars 16 at both ends; six sealing plates 114 are arranged outside the two third cross bars 16, the two fourth cross bars 17, the two fifth cross bars 18, the two sixth cross bars 19, the one third connecting rod 112, the one fourth connecting rod 113 and the two load-bearing columns 14, the stable sealed chamber 8 is located in the closed space surrounded by the six sealing plates 114, and the inside of the stable sealed chamber 8 is filled with sand. The stable sealed chamber 8 can be filled with sand.

[0049] The working principle of the fully enclosed filling liquid storage bag lifting device of the utility model is as follows: when filling the liquid in the liquid storage bag through the filling liquid storage bag lifting device, the liquid storage bag is first hung on the hook 21, and the liquid in the liquid storage bag is filled into other containers by opening the liquid storage bag. When it is necessary to increase the filling height, the lifting motor 46 can be used to drive the worm 47 to rotate forward, the worm 47 drives the worm wheel 45 to rotate, and the worm wheel 45 drives the coaxial wire wheel 44 to rotate, thereby shortening the length of the suspension rope 22 and gathering the suspension rope 22 on the wire wheel 44; then, through the sliding action between the suspension rope 22 and the third fixed pulley 33, the second fixed pulley 32 and the first fixed pulley 31, the suspension rope 22 drives the hook 21 to move upward, thereby driving the liquid storage bag suspended on the hook 21 to move upward, so as to meet the needs of filling the liquid at a high position. When the filling height needs to be lowered, the lifting motor 46 can be used to drive the worm 47 to reverse, the worm 47 drives the worm wheel 45 to rotate in the opposite direction, and the worm wheel 45 drives the coaxial wire wheel 44 to rotate, thereby increasing the length of the suspension rope 22 and releasing the suspension rope 22 on the wire wheel 44; then, through the sliding action between the suspension rope 22 and the third fixed pulley 33, the second fixed pulley 32 and the first fixed pulley 31, the hook 21 drives the suspension rope 22 to move downward, thereby driving the liquid storage bag suspended on the hook 21 to drive the suspension rope 22 to move downward to meet the needs of low-position filling of liquid medicine. The lifting motor 46 can be controlled to rotate forward by the upward movement button of the control switch, thereby driving the hook 21 to rise through the worm 47, the worm wheel 45, the wire wheel 44 and the suspension rope 22, so as to drive the liquid storage bag placed on the hook 21 to rise. The lifting motor 46 can be controlled to reverse by moving the button of the control switch downward, and then the hook 21 is driven down through the worm 47, the worm wheel 45, the wire wheel 44 and the suspension rope 22 to drive the liquid storage bag placed on the hook 21 to descend.

[0050] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the concept of the utility model, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A filling liquid storage bag lifting device, characterized in that: include: A load-bearing frame (1), wherein a hanging rod (11) is fixedly arranged at a middle position on an upper side of the load-bearing frame (1); A hanging assembly, the hanging assembly comprising a hook (21) and a hanging rope (22) one end of which is fixedly connected to the hook; A sliding assembly, the sliding assembly comprising a first fixed pulley (31) arranged in the middle of the hanging rod (11); the hook (21) is located at the lower end of the first fixed pulley (31); and A power assembly, the power assembly comprising a first fixing member (41) fixedly arranged on the load-bearing frame (1), a second fixing member (42) fixedly arranged on the load-bearing frame (1) and arranged corresponding to the first fixing member (41), a rotating shaft (43) whose two ends are respectively rotatably connected to the first fixing member (41) and the second fixing member (42), a wire wheel (44) fixedly arranged on the rotating shaft (43), a worm wheel (45) fixedly arranged on the rotating shaft (43), a lifting motor (46) fixedly arranged on the load-bearing frame (1), and a worm (47) fixedly arranged on the output shaft of the lifting motor (46); the worm wheel (45) is meshed with the worm (47), and the other end of the suspension rope (22) is slidably connected to the sliding assembly and then fixedly connected to the wire wheel (44).

2. The filling liquid storage bag lifting device according to claim 1 is characterized in that: The load-bearing frame (1) comprises two first cross bars (12) arranged at the top of the load-bearing frame (1), two second cross bars (13) arranged at the top of the load-bearing frame (1) and respectively fixedly connected to the two first cross bars (12) at both ends, and four load-bearing columns (14) whose top ends are respectively fixed to the connection between the first cross bars (12) and the second cross bars (13); the sliding assembly further comprises a second fixed pulley (32) fixedly arranged on the first cross bar (12) on the side close to the power assembly, and the second fixed pulley (32) is located on the outer side of the load-bearing frame (1); The two ends of the suspension rod are respectively fixedly connected to two second cross bars (13).

3. The filling liquid storage bag lifting device according to claim 2 is characterized in that: A connecting rod (15) is arranged between the two load-bearing columns (14) on one side close to the power assembly; the sliding assembly also includes a third fixed pulley (33) fixedly arranged on the connecting rod (15).

4. The filling liquid storage bag lifting device according to claim 3 is characterized in that: The first fixed pulley (31), the second fixed pulley (32) and the third fixed pulley (33) are used to slide the suspension rope (22) and reduce the friction between the suspension rope (22) and the sliding component; The sliding path of the suspension rope (22) when lifting the liquid medicine does not contact the load-bearing frame (1); The first fixed pulley (31) is fixed to the suspension rod (11) via a pulley fixing member (34), the second fixed pulley (32) is fixed to the first cross bar (12) via a pulley fixing member (34), and the third fixed pulley (33) is fixed to the connecting rod (15) via a pulley fixing member (34).

5. The filling liquid storage bag lifting device according to any one of claims 2 to 4, characterized in that: It also includes four universal wheels (6) arranged at the four corners of the bottom of the load-bearing frame (1).

6. The filling liquid storage bag lifting device according to claim 5 is characterized in that: The load-bearing frame (1) comprises two third cross bars (16) arranged at the bottom of the load-bearing frame (1), two fourth cross bars (17) arranged at the bottom of the load-bearing frame (1) and having two ends respectively fixedly connected to the two third cross bars (16), and four second connecting rods connecting the third cross bars (16) and the fourth cross bars (17); a universal wheel (6) is fixedly arranged on one of the second connecting rods.

7. The filling liquid storage bag lifting device according to any one of claims 2, 3, 4 and 6, characterized in that: It also comprises four height-adjusting feet (5) arranged at the four corners of the bottom of the load-bearing frame (1).

8. The filling liquid storage bag lifting device according to claim 7 is characterized in that: One of the height-adjusting feet (5) passes through the lower end of one of the load-bearing columns (14) and is threadedly connected to the load-bearing column (14).

9. The filling liquid storage bag lifting device according to any one of claims 2, 3, 4, 6 and 8, characterized in that: The load-bearing frame (1) also includes a first connecting plate fixedly connected to the third cross bar (16) and the fourth cross bar (17) on all sides, and the power assembly is fixedly arranged on the first connecting plate; the first fixing member (41), the second fixing member (42) and the lower end of the lifting motor (46) are fixed on the first connecting plate.

10. The filling liquid storage bag lifting device according to claim 9, characterized in that: Also includes: The load-bearing frame (1) comprises two fifth cross bars (18) arranged in the middle of the load-bearing frame (1), two sixth cross bars (19) arranged in the middle of the load-bearing frame (1) and having two ends respectively fixedly connected to the two fifth cross bars (18), a third connecting rod (112) having two ends respectively connected to the two fifth cross bars (18), and a fourth connecting rod (113) having two ends respectively connected to the two third cross bars (16); Six sealing plates (114) are arranged on the outer sides of the two third cross bars (16), the two fourth cross bars (17), the two fifth cross bars (18), the two sixth cross bars (19), a third connecting rod (112), a fourth connecting rod (113) and the two load-bearing columns (14); the stable sealing cavity (8) is located in a closed space surrounded by the six sealing plates (114); and the interior of the stable sealing cavity (8) is filled with sand.

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