Hydraulic platform for loading and unloading steel cylinders

Abstract

The invention belongs to a hydraulic platform for loading and unloading steel cylinders. Comprising a moving frame, walking wheels are arranged at the bottom of the moving frame, a steel cylinder transferring, loading and unloading platform is arranged at the top of the moving frame, a lifting unit is arranged between the moving frame and the steel cylinder transferring, loading and unloading platform, and a transferring unit used for loading and unloading steel cylinders is arranged on the steel cylinder transferring, loading and unloading platform; the device has the advantages of reducing labor intensity and improving working efficiency and gas cylinder loading and unloading safety.

Description

Technical Field

[0001] The invention belongs to the technical field of steel cylinder transportation, and in particular relates to a hydraulic platform for loading and unloading steel cylinders. Background Art

[0002] A steel cylinder refers to a steel cylinder used to store high-pressure oxygen, coal gas, liquefied petroleum gas, etc., which can achieve the purpose of safely storing and transporting gas. A large number of steel cylinders are needed for transportation in gas production enterprises: for example, the gas-filled cylinders are transported from the loading area to the truck compartment and sent to various gas-using units, or the used cylinders in various gas-using units are transported from the truck to the cylinder filling area. A large number of steel cylinders need to be transported in the above process. At present, the above-mentioned transportation of steel cylinders is generally achieved by manually pushing a trolley. Furthermore, the truck compartment is at a certain height from the ground. When the steel cylinders in the compartment need to be unloaded or the steel cylinders on the ground need to be put into the compartment, manual transportation is required. The above process has the defects of high labor intensity and low work efficiency. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects in the prior art and provide a hydraulic platform for loading and unloading steel cylinders.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions:

[0005] A hydraulic platform for loading and unloading steel cylinders comprises a mobile frame, a bottom of the mobile frame is provided with walking wheels, a top of the mobile frame is provided with a steel cylinder transfer and loading platform, a lifting unit is provided between the mobile frame and the steel cylinder transfer and loading platform, and the steel cylinder transfer and loading platform is provided with a transfer unit for loading and unloading steel cylinders.

[0006] The beneficial effects of the present invention are as follows: the free movement of the present invention can be achieved through the cooperation of the mobile frame and the walking wheels to realize the transfer of steel cylinders. Furthermore, the mobile frame provides an installation basis for the steel cylinder transfer and loading and unloading platform, and the two are connected by a lifting unit to realize the lifting of the steel cylinder transfer and loading and unloading platform, thereby achieving the advantages of reducing labor intensity and improving work efficiency during the loading and unloading process of the truck compartment.

[0007] Preferably, the transfer unit includes a cylinder grabbing part for grabbing cylinders in batches, the cylinder grabbing part is connected to an internal moving part capable of moving inside the cylinder transfer and loading and unloading platform, and an external extending moving part capable of moving the cylinder grabbing part and the internal moving part to a cylinder storage location.

[0008] Preferably, the lifting unit at least includes beam supports respectively arranged on both sides of the cylinder transfer and loading and unloading platform, a lifting beam is provided in the middle of the beam supports on both sides, a main lifting hydraulic cylinder is provided on both sides of the cylinder transfer and loading and unloading platform, the bottom fixed end of the main lifting hydraulic cylinder is connected to the top of the mobile frame, and the top telescopic end of the main lifting hydraulic cylinder is connected to the corresponding lifting beam; platform columns are provided around the mobile frame, hydraulic cylinder fixed beams are provided in the middle and lower parts of the platform columns on both sides, and the middle part of the main lifting hydraulic cylinder is fixedly connected to the hydraulic cylinder fixed beam.

[0009] Preferably, sprockets are provided on the tops of both sides of the lifting beam, and chains are provided on the sprockets. One end of the chain is connected to the top of the moving frame, and the other end of the chain is connected to the top of the cylinder transfer and loading and unloading platform.

[0010] Preferably, the lifting unit also includes a balancing unit part for preventing the cylinder transfer and loading and unloading platform from tilting and falling, the balancing unit part includes balancing members symmetrically arranged on both sides of the mobile frame, the balancing members include double rope groove pulleys arranged on the upper parts of the platform columns on both sides, and single rope groove pulleys are respectively arranged on both sides of the mobile frame; wire rope supports are respectively arranged on the corresponding two sides of the cylinder transfer and loading and unloading platform, the wire rope support is an inverted L-shape, the lower part of the wire rope support is a fixed end connected to the cylinder transfer and loading and unloading platform, and the upper part of the wire rope support is a wire rope connecting end; the upper surface of the wire rope connecting end of the wire rope support is connected with one end of the wire rope, and the wire rope passes through the double rope groove pulley and the single rope groove pulley on the corresponding side and is connected with the lower surface of the wire rope connecting end of the wire rope support in sequence; another wire rope is arranged on the upper surface of the wire rope connecting end of the aforementioned corresponding side and the wire rope support, and the other wire rope is connected with the lower surface of the wire rope connecting end of the wire rope support through the double rope groove pulley and the single rope groove pulley on the corresponding side.

[0011] Preferably, the crossbeam support is provided with rollers that cooperate with the platform columns.

[0012] Preferably, a telescopic beam is provided on the top of the cross beam brackets on both sides, a rack track is provided on the inner side of the top of the telescopic beam, a track for movement of the internal moving part is provided on the inner side of the top of the rack track, and a rack for movement of the external extending moving part is provided on the outer side of the top of the rack track; the external extending moving part includes a gear motor arranged on the top of the telescopic beam, the gear motor is meshed with the rack through a moving gear, a plurality of limit blocks are provided on both sides of the rack track to prevent the rack track from moving left and right, and auxiliary parts are respectively provided at both ends of the telescopic beam, the auxiliary parts include an auxiliary gear bracket fixedly arranged on the telescopic beam, the auxiliary gear bracket is connected to the auxiliary gear through a rotating shaft, and the auxiliary gear is meshed with the rack.

[0013] Preferably, the internal moving part includes a moving trolley, and trolley rollers are respectively provided on both sides of the moving trolley, and the trolley rollers are connected to the trolley motor arranged inside the moving trolley; a lifting and rotating part of the cylinder grabbing part is provided inside the moving trolley, and trolley limit blocks are provided at both ends of the track.

[0014] Preferably, the cylinder grabbing part includes a lifting and rotating part arranged at the middle position of the top of the mobile trolley, the lifting and rotating part passes through the mobile trolley and is connected to the cylinder grabbing part arranged at the bottom of the mobile trolley; the lifting and rotating part includes a rotating support frame arranged at the middle position of the top of the mobile trolley, a lifting hydraulic cylinder is arranged on the top wall of the rotating support frame, the telescopic end of the lifting hydraulic cylinder is connected to the grabbing bracket arranged at the bottom of the mobile trolley through a square shaft, and a rotating bevel gear is provided at the lower part of the rotating support frame, which is sleeved on the outside of the square shaft, and the rotating bevel gear is connected to the device through the main bevel gear. The cylinder grabbing member comprises a grabbing bracket, a first grabbing beam and a second grabbing beam are provided at the bottom of the grabbing bracket, a plurality of electromagnets for grabbing the cylinder are provided on the first grabbing beam, and a plurality of cylinder brackets matching the outer circumference of the cylinder are provided on the second grabbing beam; the first grabbing beam is arranged on the upper part of the second grabbing beam, and the electromagnets and the cylinder brackets are in a one-to-one correspondence.

[0015] Preferably, the track and the rack are an integrated structure, and the height of the top of the track is greater than the height of the top of the rack; and a solar panel is provided on the top of the platform column.

[0016] The present invention has the following advantages:

[0017] 1. The present invention is suitable for use by gas-making enterprises and gas-using units. The cooperation of the mobile frame and the running wheels can realize the free movement of the present invention. The mobile frame cooperates with the cylinder transfer and loading and unloading platform and the lifting unit to realize the lifting and lowering of the cylinder transfer and loading and unloading platform, thereby reducing labor intensity, improving work efficiency and the safety of cylinder loading and unloading.

[0018] 2. The present invention can move the cylinder grabbing part to the interior of the truck compartment by setting an external extension moving part, thereby achieving the characteristic of loading and unloading the cylinders without manually entering the compartment to carry the cylinders. Furthermore, the cylinder grabbing part of the present invention can achieve batch grabbing of cylinders. Based on this, by setting an internal moving part, the cylinder grabbing part can be moved to a suitable position, thereby achieving the purpose of batch loading and unloading and transporting cylinders without manual placement.

[0019] 3. In addition to arranging a main lifting hydraulic cylinder to realize the lifting of the cylinder transfer and loading and unloading platform, the present invention also arranges sprockets and matching chains on the top of both sides of the lifting beam. It can achieve overall smooth lifting when the area of ​​the cylinder transfer and loading and unloading platform is large, thereby ensuring the smooth operation of the entire equipment and the smooth transfer of cylinders, and avoiding the problem of cylinder tipping over during the lifting process.

[0020] 4. The main purpose of the present invention by setting up the balance unit is to protect the cylinder transfer and loading and unloading platform when it tilts and / or falls. Specifically, it can prevent the cylinder transfer and loading and unloading platform from tilting or falling rapidly when the chain fails or breaks, and provide balanced support to it to avoid the cylinder from tipping over or falling. As is known to all, especially when the cylinder is full of gas, the internal pressure is relatively high, and some gases are flammable and explosive. The above-mentioned setting can ensure the safe operation of the entire device.

[0021] 5. The first grabbing crossbeam described in the present invention is provided with a plurality of electromagnets for grabbing steel cylinders, which can adsorb and grab the steel cylinders when energized, and can position the steel cylinders through corresponding steel cylinder brackets after grabbing them to prevent them from shaking or tilting, thereby facilitating the storage of steel cylinders without manual intervention after transportation.

[0022] 6. The present invention is also provided with a lifting and rotating member for lifting and rotating the batch-grabbed steel cylinders. By lifting the batch-grabbed steel cylinders, wear or collision on the bottom of the steel cylinders can be avoided to achieve safe transportation of the steel cylinders. Furthermore, by rotating, the steel cylinder grabbing member can always be on the outside (the outside refers to the outside of the batch of steel cylinders) to facilitate the grabbing of the steel cylinders in the subsequent process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 It is a left-side structural schematic diagram of the present invention.

[0026] Figure 3 for Figure 2 Schematic diagram of the position relationship between the telescopic beam and the mobile trolley in the middle A direction.

[0027] Figure 4 for Figure 3 BB view in the figure.

[0028] Figure 5 for Figure 4 A partial enlarged view of part A.

[0029] Figure 6 The figure is a schematic diagram of the positional relationship between the telescopic crossbeam and the movable trolley in a side view of the present invention.

[0030] Figure 7 for Figure 6 CC section view in .

[0031] Figure 8 This is a schematic diagram of the positional relationship between the mobile trolley of the present invention and the telescopic crossbeam when the mobile trolley is outside.

[0032] Fig. 9 It is a schematic structural diagram of the balancing member of the present invention.

[0033] Fig.10 It is a structural schematic diagram of the lifting and rotating part of the present invention.

[0034] Fig.11 It is a schematic structural diagram of the steel cylinder grabbing member of the present invention.

[0035] Fig.12 It is a schematic diagram of the side structure of the cylinder grabbing member of the present invention. DETAILED DESCRIPTION

[0036] The technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Reference Figure 1-12The present invention is a hydraulic platform for loading and unloading steel cylinders, comprising a mobile frame 1, a bottom of the mobile frame 1 is provided with walking wheels 5, a top of the mobile frame 1 is provided with a steel cylinder transfer and loading platform 2, a lifting unit is provided between the mobile frame 1 and the steel cylinder transfer and loading platform 2, and the steel cylinder transfer and loading platform 2 is provided with a transfer unit for loading and unloading steel cylinders. The present invention is applicable to gas production enterprises and gas users, and its main purpose is to facilitate movement and lifting, thereby improving the transfer efficiency and reducing the work intensity, especially in the process of transporting the cylinder from the carriage to the ground, or from the ground to the carriage, the safety of transporting the cylinder is improved; it should be noted that guardrails can be set around the cylinder transfer and loading and unloading platform 2 to prevent the risk of the cylinder falling during the transfer. The preferred cylinder transfer and loading and unloading platform 2 has fixed guardrails on both sides and detachable guardrails at the front and rear ends to facilitate the entry and exit of the cylinder; the walking wheel 5 described in the present invention can be manually pushed or mechanically driven, and the mechanical drive can be electric drive or oil (gasoline or diesel) drive; the transfer unit described in the present invention is mainly used to change the position of the cylinder, that is: to transfer the cylinder outside the present invention to the cylinder transfer and loading and unloading platform 2, or to transfer the cylinder on the cylinder transfer and loading and unloading platform 2 to the outside; the above-mentioned transfer can be mechanical transfer or manual transfer, and the mechanical transfer can be a single cylinder transfer or a batch cylinder transfer.

[0038] Furthermore, the transfer unit includes a cylinder grabbing part for grabbing cylinders in batches, and the cylinder grabbing part is connected to an internal moving part that can move inside the cylinder transfer and loading and unloading platform 2, and an external extension moving part that can realize the movement of the cylinder grabbing part and the internal moving part to the cylinder storage place. The cylinder grabbing part described in the present invention is preferably capable of realizing batch grabbing of cylinders to improve the grabbing efficiency of cylinders, and further improves the transfer efficiency of cylinders; at the same time, the present invention is provided with an external extension moving part that can move the cylinder grabbing part into the carriage, and cooperate with the aforementioned lifting unit to realize the loading and unloading of cylinders without manual handling, thereby greatly reducing the labor intensity of workers; further, the cylinder grabbing part described in the present invention can grab cylinders in batches, based on this, by setting the internal moving part, it can be realized that the cylinder grabbing part is easy to move to a suitable position for loading and unloading cylinders.

[0039] Furthermore, the lifting unit at least includes beam brackets 28 respectively arranged on both sides of the steel cylinder transfer and loading and unloading platform 2, and a lifting beam 11 is arranged in the middle of the beam brackets 28 on both sides. A main lifting hydraulic cylinder 6 is respectively arranged on both sides of the steel cylinder transfer and loading and unloading platform 2, and the bottom fixed end of the main lifting hydraulic cylinder 6 is connected to the top of the mobile frame 1, and the top telescopic end of the main lifting hydraulic cylinder 6 is connected to the corresponding lifting beam 11; platform columns 13 are arranged around the mobile frame 1, and hydraulic cylinder fixed beams 7 are arranged in the middle and lower parts of the platform columns 13 on both sides, and the middle part of the main lifting hydraulic cylinder 6 is fixedly connected to the hydraulic cylinder fixed beam 7. The present invention adopts the main lifting hydraulic cylinder 6 to realize the lifting and lowering of the steel cylinder transfer and loading and unloading platform 2, and the bottom of the main lifting hydraulic cylinder 6 is fixed on the top of the mobile frame 1, and the middle part is fixed on the hydraulic cylinder fixed beam 7. The above structure can make the main lifting hydraulic cylinder 6 fixed more firmly and reliably, thereby ensuring the smooth lifting and lowering of the steel cylinder transfer and loading and unloading platform 2.

[0040] Furthermore, sprockets 17 are respectively provided on the top of both sides of the lifting beam 11, and a chain 8 is provided on the sprocket 17. One end of the chain 8 is connected to the top of the mobile frame 1, and the other end of the chain 8 is connected to the top of the cylinder transfer and loading and unloading platform 2. As is known to all, the interior of the steel cylinder is filled with gas, so it has a certain pressure, and some of the gas is flammable and explosive; based on this, how to avoid tipping and falling during the transportation and loading and unloading of the steel cylinder and realize the safe transportation of the steel cylinder has become a technical problem to be solved urgently; in order to solve the above technical problems, the present invention adopts a method to make the steel cylinder transfer and loading and unloading platform 2 always in a horizontal and stable state during the lifting process, that is: sprockets 17 are respectively provided on the top of both sides of the lifting beam 11, and chains 8 are provided on the sprocket 17, one end of the chain 8 is connected to the top of the mobile frame 1, and the other end of the chain 8 is connected to the top of the steel cylinder transfer and loading and unloading platform 2; when the main lifting hydraulic cylinder 6 is working, the lifting beam 11 rises, and the steel cylinder transfer and loading and unloading platform 2 is driven to rise through the chains 8 on both sides, thereby ensuring that the steel cylinder transfer and loading and unloading platform 2 is simultaneously raised in a balanced and stable state, and vice versa, it will not be repeated; the above process can ensure that the steel cylinder is in a stable state when rising and falling, and will not tip over or fall, thereby ensuring safety during transportation.

[0041] Furthermore, the lifting unit also includes a balancing unit part for preventing the steel cylinder transfer and loading and unloading platform 2 from tilting and falling, and the balancing unit part includes balancing parts symmetrically arranged on both sides of the mobile frame 1, and the balancing parts include double rope groove pulleys 10 arranged on the upper parts of the platform columns 13 on both sides, and single rope groove pulleys 16 are respectively arranged on both sides of the mobile frame 1; steel wire rope brackets 18 are respectively arranged on the corresponding two sides of the steel cylinder transfer and loading and unloading platform 2, and the steel wire rope brackets 18 are inverted L-shaped, and the lower part of the steel wire rope bracket 18 is a fixed end connected to the steel cylinder transfer and loading and unloading platform 2, and the steel wire rope brackets The upper part of the frame 18 is the wire rope connection end; the upper surface of the wire rope connection end of the wire rope support 18 is connected to one end of the wire rope 9, and the wire rope 9 passes through the double rope groove pulley 10 and the single rope groove pulley 16 on the corresponding side and is connected to the lower surface of the wire rope connection end of the wire rope support 18 in sequence; the upper surface of the wire rope connection end of the aforementioned corresponding side and the wire rope support 18 is provided with another wire rope 9, and the other wire rope 9 is connected to the lower surface of the wire rope connection end of the wire rope support 18 through the double rope groove pulley 10 and the single rope groove pulley 16 on the corresponding side. As mentioned above, how to ensure that the cylinder transfer and loading and unloading platform 2 is always in a horizontal and stable state during the lifting process is the key to achieving the safety of cylinder transfer. The sprocket 17 and chain 8 set in the above text can ensure that the cylinder transfer and loading and unloading platform 2 is in a horizontal and stable state during operation; and by setting the balancing unit part, it can be achieved that when the main lifting hydraulic cylinder 6, sprocket 17 and chain 8 fail, the cylinder transfer and loading and unloading platform 2 can be prevented from tilting or falling rapidly, thereby avoiding the risk of tipping and falling of cylinders.

[0042] Further, the crossbeam support 28 is provided with rollers 12 that match the platform columns 15. By providing the rollers 12, the cylinder transport loading and unloading platform 2 can be smoothly lifted and lowered, and friction can be reduced.

[0043] Furthermore, a telescopic beam 27 is provided on the top of the two side beam brackets 28, a rack track is provided on the inner side of the top of the telescopic beam 27, a track 36 for moving the internal moving part is provided on the inner side of the top of the rack track, and a rack 24 for moving the external extending moving part is provided on the outer side of the top of the rack track; the external extending moving part includes a gear motor 21 arranged on the top of the telescopic beam 27, the gear motor 21 is meshed with the rack 24 through a moving gear 42, and a plurality of limit blocks 20 are provided on both sides of the rack track to prevent the rack track from moving left and right, and auxiliary parts are respectively provided at both ends of the telescopic beam 27, and the auxiliary parts include an auxiliary gear bracket 19 fixedly arranged on the telescopic beam 27, and the auxiliary gear bracket 19 is connected to the auxiliary gear 25 through a rotating shaft, and the auxiliary gear 25 is meshed with the rack 24. The track 36 described in the present invention is used for the internal movement of the mobile trolley 40, and the rack 24 is used to move the mobile trolley 40 to the outside of the cylinder transfer and loading platform 2 (i.e., the inside of the carriage, the cylinder filling area or the storage area); further, by setting the auxiliary gear bracket 19 and the auxiliary gear 25 to cooperate with the moving gear 42, it can be realized that when a part of the rack track moves to the outside of the cylinder transfer and loading platform 2, the rack track is pressed downward to avoid the phenomenon of the rack track tilting, thereby ensuring the safe operation of the equipment. The bottom of the rack track is set as a toothed structure, which can reduce the resistance when the rack track moves.

[0044] Furthermore, the internal moving part includes a moving trolley 40, and trolley rollers 41 are respectively provided on both sides of the moving trolley 40, and the trolley rollers 41 are connected to the trolley motor 39 provided inside the moving trolley 40; the lifting and rotating parts of the cylinder grabbing part are provided inside the moving trolley 40, and the trolley limit blocks 26 are provided at both ends of the track 36. The trolley limit blocks 26 can be provided to limit the moving trolley 40, and the trolley motor 39 can be used to achieve the purpose of moving the moving trolley 40 between the tracks 36.

[0045] Furthermore, the cylinder grabbing part includes a lifting and rotating member arranged at the middle position of the top of the mobile trolley 40, the lifting and rotating member passes through the mobile trolley 40, and is connected to the cylinder grabbing member arranged at the bottom of the mobile trolley 40; the lifting and rotating member includes a rotating support frame 33 arranged at the middle position of the top of the mobile trolley 40, a lifting hydraulic cylinder 37 is arranged on the top wall of the rotating support frame 33, the telescopic end of the lifting hydraulic cylinder 37 is connected to the grabbing bracket 14 arranged at the bottom of the mobile trolley 40 through a square shaft 38, and the lower part of the rotating support frame 33 is provided with a rotating bevel gear 32 sleeved on the outside of the square shaft 38, and the rotating bevel gear 32 is connected to the main bevel gear 34 through the main bevel gear 34. The rotating support frame 33 is connected to a rotating motor 35 on one side of the bottom, a bearing 31 with a square sleeve 30 is provided between the moving trolley 40 and the square shaft 38, and a cover plate 29 sleeved on the square shaft 38 is provided on the outer side of the bearing 31; the cylinder grabbing member includes a grabbing bracket 14, a first grabbing beam 3 and a second grabbing beam 4 are provided at the bottom of the grabbing bracket 14, a plurality of electromagnets 22 for grabbing the cylinder are provided on the first grabbing beam 3, and a plurality of cylinder brackets 23 matching the outer circumference of the cylinder are provided on the second grabbing beam 4; the first grabbing beam 3 is arranged on the upper part of the second grabbing beam 4, and the electromagnet 22 and the cylinder bracket 23 are in a one-to-one correspondence. The electromagnet 22 described in the present invention is used to grab the steel cylinder. When it is energized, it can adsorb the steel cylinder and cooperate with the steel cylinder bracket 23 to limit the steel cylinder to prevent the steel cylinder from tilting; preferably, the electromagnet 22 and the steel cylinder bracket 23 are arc-shaped structures that match the outer surface of the steel cylinder; the electromagnet 22 and the steel cylinder bracket 23 are in a one-to-one correspondence, and a group of electromagnets 22 and steel cylinder brackets 23 can grab a steel cylinder. Combined with the above-mentioned structure, batch grabbing of steel cylinders can be achieved; at the same time, the present invention realizes the rotation of the square shaft 38 through the rotating motor 35, thereby realizing the rotation of the steel cylinder grabbing piece, so as to achieve the purpose of facilitating the grabbing and storing of steel cylinders; further, by setting a lifting hydraulic cylinder 37, the lifting and lowering of the steel cylinder grabbing piece can be achieved, while facilitating the loading and unloading of the steel cylinder, avoiding friction or collision between the steel cylinder and the ground or the bottom of the car, thereby achieving the characteristic of reducing the risk of transportation.

[0046] Furthermore, the track 36 and the rack 24 are an integrated structure, and the height of the top of the track 36 is greater than the height of the top of the rack 24; a solar panel 15 is provided on the top of the platform column 13. Preferably, the solar panel 15 described in the present invention is connected to an energy storage device. In addition, the solar panel 15 is provided to prevent rain, so that the present invention can be operated outdoors when it rains, thereby improving versatility and safety; the energy storage device has the functions of manual charging during idle time, automatic solar charging and electric energy storage, which can provide power for the present invention while increasing the activity radius of the present invention, thereby improving the convenience of using the present invention.

[0047] The working principle of the present invention is as follows: when the present invention is needed, the mobile frame 1 is moved to a suitable position by the travel wheels 5 (it should be noted that the present invention can be moved by manual pushing or power driving, and when it is powered, fuel or electricity can be used as a force); taking the example of transporting the steel cylinders in the carriage of the transport vehicle to the filling area, the main lifting hydraulic cylinder 6 is started, and the steel cylinder transfer and loading and unloading platform 2 rises under the action of the main lifting hydraulic cylinder 6, and the steel cylinder transfer and loading and unloading platform 2 rises steadily under the action of the roller 12. At the same time, under the action of the sprocket 17 and the chain 8, the steel cylinder transfer and loading and unloading platform 2 is in a horizontal state and rises steadily to avoid it from tilting; when the steel cylinder transfer and loading and unloading platform 2 moves to a suitable height, the gear motor 2 is started. 1, the moving gear 42 drives the rack track to move into the carriage. During the above movement, the moving trolley 40 and the corresponding cylinder grabbing part move into the carriage together; when the rack track moves to the outside of the cylinder transfer and loading and unloading platform 2, the moving gear 42 and the auxiliary gear 25 are respectively meshed with the rack 24, thereby preventing the rack track from tilting; when the moving trolley 40 and the corresponding cylinder grabbing part move to the appropriate position in the carriage together, the trolley motor 39 is turned on to make the electromagnet 22 in the cylinder grabbing part correspond to the cylinder to be grabbed one by one, and the electromagnet 22 is energized to make the electromagnet 22 adsorb to the cylinder, and the cylinder bracket 23 is used to limit the cylinder; when the above preparation is completed, the lifting hydraulic cylinder 37 is turned on to make The cylinders in the cylinder grabbing member are lifted to a certain height to avoid friction and collision between the bottom of the cylinder and the bottom of the carriage; the gear motor 21 is started to make the movable gear 42 drive the rack track to move inside the moving frame 1. When the cylinder grabbing member moves to a suitable position inside the cylinder transfer and loading and unloading platform 2, the trolley motor 39 is started to fine-tune the position of the cylinder grabbing member and the cylinder grabbing member is rotated by the rotating motor 35 (so that the cylinder grabbing member is close to the side of the carriage to facilitate the grabbing of the next batch of cylinders). Finally, the lifting hydraulic cylinder 37 is started to make the bottom of the cylinder contact with the top of the cylinder transfer and loading and unloading platform 2, and the electromagnet 22 is powered off, thereby completing the loading and unloading of this batch of cylinders; the above process is repeated to transfer all cylinders from the carriage to the cylinder transfer and loading and unloading platform After the platform 2 is lifted up, the main lifting hydraulic cylinder 6 is started to lower the steel cylinder transfer and loading and unloading platform 2. During the lowering process, on the one hand, the steel cylinder transfer and loading and unloading platform 2 is steadily lowered by the roller 12, and on the other hand, the sprocket 17 and the chain 8 cooperate to ensure that the steel cylinder transfer and loading and unloading platform 2 is steadily lowered while maintaining a horizontal state, so as to ensure that the steel cylinder will not tip over or fall. When the steel cylinder transfer and loading and unloading platform 2 is lowered to the top of the mobile frame 1, the present invention is driven to a suitable position by the running wheel 5, and the trolley motor 39 is turned on to make the electromagnet 22 in the steel cylinder grabbing part correspond to the steel cylinder to be grabbed in the steel cylinder transfer and loading and unloading platform 2 in a one-to-one relationship. The electromagnet 22 is energized to make the electromagnet 22 adsorb to the steel cylinder, and at the same time, the steel cylinder bracket 23 is used to limit the steel cylinder.When the above preparations are completed, the lifting hydraulic cylinder 37 is turned on to lift the cylinder in the cylinder grabbing part to a certain height to avoid friction and collision between the bottom of the cylinder and the bottom of the cylinder transfer and loading platform 2; the gear motor 21 is started to make the moving gear 42 drive the rack track to move into the carriage. During the above movement, the moving trolley 40 and the corresponding cylinder grabbing part move together to the position where the cylinder is to be placed. When the rack track moves to the outside of the cylinder transfer and loading platform 2, the moving gear 42 and the auxiliary gear 25 are respectively meshed with the rack 24. Thereby preventing the rack track from tilting; starting the trolley motor 39 to fine-tune the position of the cylinder grabber and rotating the cylinder grabber through the rotating motor 35 (making the cylinder grabber close to the side where the cylinder is placed, so as to facilitate the grabbing of the next batch of cylinders), and finally starting the lifting hydraulic cylinder 37 to make the bottom of the cylinder contact with the top of the cylinder transfer and loading platform 2, and the electromagnet 22 is powered off, thereby completing the loading and unloading of the batch of cylinders, repeating the above process to transfer all cylinders from the carriage to the cylinder placement position, and the transfer process is completed. During the above process, if the chain 8 breaks during the ascent or descent of the cylinder transfer and loading platform 2, due to the provision of a balancing unit, that is, the steel wire rope 9 can continue to connect the cylinder transfer and loading platform 2 and the mobile frame 1 to prevent the cylinder transfer and loading platform 2 from tilting; when it is necessary to transfer the filled cylinders to the carriage, the above method can be referred to to reduce the labor intensity of workers, improve the transfer efficiency, and ensure the safety of cylinder transfer. ;

[0048] Although 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 hydraulic platform for loading and unloading steel cylinders, characterized in that: The mobile frame (1) comprises a mobile frame (1), the bottom of the mobile frame (1) is provided with walking wheels (5), the top of the mobile frame (1) is provided with a steel cylinder transfer and loading platform (2), a lifting unit is provided between the mobile frame (1) and the steel cylinder transfer and loading platform (2), and a transfer unit for loading and unloading steel cylinders is provided on the steel cylinder transfer and loading platform (2).

2. A hydraulic platform for loading and unloading steel cylinders according to claim 1, characterized in that: The transfer unit comprises a cylinder grabbing part for grabbing cylinders in batches, the cylinder grabbing part being connected to an internal moving part capable of moving inside a cylinder transfer loading and unloading platform (2), and an external extending moving part capable of moving the cylinder grabbing part and the internal moving part to a cylinder storage location.

3. A hydraulic platform for loading and unloading steel cylinders according to claim 2, characterized in that: The lifting unit at least comprises beam supports (28) respectively arranged on both sides of the steel cylinder transfer loading and unloading platform (2), a lifting beam (11) is arranged in the middle of the beam supports (28) on both sides, a main lifting hydraulic cylinder (6) is respectively arranged on both sides of the steel cylinder transfer loading and unloading platform (2), the bottom fixed end of the main lifting hydraulic cylinder (6) is connected to the top of the moving frame (1), and the top telescopic end of the main lifting hydraulic cylinder (6) is connected to the corresponding lifting beam (11); The movable frame (1) is provided with platform columns (13) around its periphery, a hydraulic cylinder fixed crossbeam (7) is provided at the middle and lower parts of the platform columns (13) on both sides, and the middle part of the main lifting hydraulic cylinder (6) is fixedly connected to the hydraulic cylinder fixed crossbeam (7).

4. A hydraulic platform for loading and unloading steel cylinders according to claim 3, characterized in that: The tops of both sides of the lifting beam (11) are respectively provided with sprockets (17), and the sprockets (17) are provided with chains (8), one end of the chain (8) is connected to the top of the moving frame (1), and the other end of the chain (8) is connected to the top of the cylinder transfer loading and unloading platform (2).

5. A hydraulic platform for loading and unloading steel cylinders according to claim 3 or 4, characterized in that: The lifting unit also includes a balancing unit part for preventing the cylinder transfer loading and unloading platform (2) from tilting and falling, and the balancing unit part includes balancing parts symmetrically arranged on both sides of the moving frame (1). The balancing member comprises a double rope groove pulley (10) arranged on the upper part of the platform columns (13) on both sides, and a single rope groove pulley (16) is respectively arranged on both sides of the mobile frame (1); a steel wire rope bracket (18) is respectively arranged on the corresponding two sides of the steel cylinder transfer loading and unloading platform (2), and the steel wire rope bracket (18) is an inverted L-shape, the lower part of the steel wire rope bracket (18) is a fixed end connected to the steel cylinder transfer loading and unloading platform (2), and the upper part of the steel wire rope bracket (18) is a steel wire rope connection end; The upper surface of the steel wire rope connection end of the steel wire rope support (18) is connected to one end of the steel wire rope (9), and the steel wire rope (9) passes through the double rope groove pulley (10) and the single rope groove pulley (16) on the corresponding side and is connected to the lower surface of the steel wire rope connection end of the steel wire rope support (18); Another steel wire rope (9) is provided on the upper surface of the steel wire rope connection end of the steel wire rope support (18) on the corresponding side, and the other steel wire rope (9) is connected to the lower surface of the steel wire rope connection end of the steel wire rope support (18) through a double rope groove pulley (10) and a single rope groove pulley (16) on the corresponding side.

6. A hydraulic platform for loading and unloading steel cylinders according to claim 3, characterized in that: The crossbeam support (28) is provided with a roller (12) which matches with the platform column (13).

7. The hydraulic platform for loading and unloading steel cylinders according to claim 3, characterized in that: A telescopic crossbeam (27) is provided on the top of the crossbeam brackets (28) on both sides, a rack track is provided on the inner side of the top of the telescopic crossbeam (27), a track (36) for movement of the internal moving part is provided on the inner side of the top of the rack track, and a rack (24) for movement of the external extending moving part is provided on the outer side of the top of the rack track; The external extension moving part comprises a gear motor (21) arranged on the top of the telescopic beam (27), the gear motor (21) meshing with the rack (24) through a moving gear (42), a plurality of limit blocks (20) are arranged on both sides of the rack track to prevent the rack track from moving left and right, and auxiliary parts are respectively arranged at both ends of the telescopic beam (27), the auxiliary parts comprising an auxiliary gear bracket (19) fixedly arranged on the telescopic beam (27), the auxiliary gear bracket (19) is connected to the auxiliary gear (25) through a rotating shaft, and the auxiliary gear (25) meshes with the rack (24).

8. A hydraulic platform for loading and unloading steel cylinders according to claim 7, characterized in that: The internal moving part comprises a moving trolley (40), and trolley rollers (41) are respectively provided on both sides of the moving trolley (40), and the trolley rollers (41) are connected to a trolley motor (39) arranged inside the moving trolley (40); a lifting and rotating part of a cylinder grabbing part is provided inside the moving trolley (40), and trolley limit blocks (26) are provided at both ends of the track (36).

9. A hydraulic platform for loading and unloading steel cylinders according to claim 8, characterized in that: The steel cylinder grabbing part comprises a lifting and rotating member arranged at the middle position of the top of the moving trolley (40), the lifting and rotating member passes through the moving trolley (40) and is connected to the steel cylinder grabbing member arranged at the bottom of the moving trolley (40); The lifting and rotating member comprises a rotating support frame (33) arranged at the middle position of the top of the moving trolley (40), a lifting hydraulic cylinder (37) is arranged on the inner top wall of the rotating support frame (33), the telescopic end of the lifting hydraulic cylinder (37) is connected to a grabbing bracket (14) arranged at the bottom of the moving trolley (40) through a square shaft (38), a rotating bevel gear (32) sleeved on the outside of the square shaft (38) is arranged at the lower part of the rotating support frame (33), the rotating bevel gear (32) is connected to a rotating motor (35) arranged on one side of the inner bottom of the rotating support frame (33) through a main bevel gear (34), a bearing (31) with a square shaft sleeve (30) is arranged between the moving trolley (40) and the square shaft (38), and a cover plate (29) sleeved on the square shaft (38) is arranged on the outer side of the bearing (31); The steel cylinder grabbing member comprises a grabbing bracket (14), a first grabbing crossbeam (3) and a second grabbing crossbeam (4) are provided at the bottom of the grabbing bracket (14), a plurality of electromagnets (22) for grabbing the steel cylinder are provided on the first grabbing crossbeam (3), and a plurality of steel cylinder brackets (23) matching the outer circumference of the steel cylinder are provided on the second grabbing crossbeam (4); The first grabbing crossbeam (3) is arranged on the upper part of the second grabbing crossbeam (4), and the electromagnet (22) and the cylinder support (23) are in a one-to-one correspondence relationship.

10. The hydraulic platform for loading and unloading steel cylinders according to claim 7, characterized in that: The track (36) and the rack (24) are an integrated structure, and the height of the top of the track (36) is greater than the height of the top of the rack (24); A solar power generation panel (15) is provided on the top of the platform column (13).

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