Hydraulic support hoisting equipment suitable for interior of container

Abstract

The invention relates to hydraulic support hoisting equipment suitable for the interior of a container. The hydraulic support hoisting equipment comprises a portal frame, a rotary driving mechanism and a pulley block. The portal frame comprises a ground beam extending in the front-back direction, a cross beam extending in the left-right direction and a vertical beam connecting the ground beam and the cross beam, a walking mechanism is arranged at the bottom of the ground beam, a plurality of rotation driving mechanisms and pulley blocks are fixedly arranged at the bottom of the cross beam, the rotation driving mechanisms are in transmission connection with the pulley blocks, and first chains are wound in the pulley blocks. A first lifting hook is arranged at the lower end of the first chain and used for hooking the hydraulic support, and the rotation driving mechanism is used for driving the pulley block to wind or release the first chain, so that the hydraulic support is lifted. According to the hydraulic support hoisting equipment suitable for the interior of the container, hoisting of a hydraulic support in the container is achieved, the working efficiency of loading and unloading operation of the hydraulic support is improved, the safety of hoisting operation is improved, and the hydraulic support hoisting equipment is particularly suitable for the internal environment of the container with the limited space.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hoisting devices, in particular to a hydraulic support hoisting device suitable for the interior of a container. BACKGROUND

[0002] In modern logistics transportation, containers are the main carriers for cargo transportation, and the efficiency of loading and unloading operations in the container directly affects the efficiency of the entire logistics chain. Hydraulic support is an important supporting device for coal mining face in underground coal mine, which can effectively support and control the roof and protect the safe working environment of coal mine workers. The hydraulic support is generally composed of a top beam, a shield beam, a base, a column, a jack and a hydraulic control system, and mainly realizes its lifting, moving and other actions through the hydraulic system, so as to effectively support the roof of the coal mining face.

[0003] Chinese patent document CN105692461A discloses a telescopic hoisting device for containers installed in a container, which comprises a fixed beam, a movable arm, an oil cylinder and an oil cylinder power system. The fixed beam is installed on the ceiling in the container, the movable arm, the oil cylinder and the oil cylinder power system are all installed on the fixed beam, the movable arm is driven to move by the oil cylinder, the piston rod of the oil cylinder is controlled to extend and retract by the oil cylinder power system, and the movable arm is provided with a hoisting device hanging interface for connecting with an externally hung hoisting device. The telescopic hoisting device for containers has the defects and deficiencies that, since the telescopic hoisting device for containers is installed on the ceiling in the container through the fixed beam, it is prone to falling off when hoisting heavy hydraulic supports, which poses a safety hazard. SUMMARY

[0004] (I) Technical problems to be solved

[0005] In view of the above-mentioned defects and deficiencies of the prior art, the present application provides a hydraulic support hoisting device suitable for the interior of a container, which solves the technical problem of safety hazard in hoisting heavy objects of the existing telescopic hoisting device for containers suspended on the ceiling in the container.

[0006] (II) Technical solutions

[0007] In order to achieve the above-mentioned purposes, the main technical solutions adopted by the present application include:

[0008] The hydraulic support hoisting device suitable for the interior of a container provided by the embodiment of the present application comprises a portal frame, a rotary drive mechanism and a pulley block.

[0009] The gantry comprises a ground beam extending in the front-rear direction, a cross beam extending in the left-right direction, and a vertical beam connecting the ground beam and the cross beam, the bottom of the ground beam is provided with a traveling mechanism, the bottom of the cross beam is fixedly provided with a plurality of rotary drive mechanisms and a pulley block, the rotary drive mechanisms are in transmission connection with the pulley block, the inside of the pulley block is wound with a first chain, the lower end of the first chain is provided with a first lifting hook, the first lifting hook is used to hook the hydraulic support, and the rotary drive mechanisms are used to drive the pulley block to wind or release the first chain, so as to hoist the hydraulic support.

[0010] Optionally, the rotary drive mechanism is an electric motor, and the hydraulic support hoisting device further comprises a control cabinet and an electric remote control operation unit, the electric remote control operation unit comprising a remote controller and a receiver;

[0011] The remote controller is in communication connection with the receiver, the receiver is fixedly arranged on the gantry and is in electrical connection with the control cabinet, the control cabinet is in electrical connection with the electric motor, the remote controller can send operation instructions to the control cabinet through the receiver, and the control cabinet controls the action of the electric motor according to the operation instructions.

[0012] Optionally, the hydraulic support hoisting device further comprises a weight sensor;

[0013] The control cabinet is in electrical connection with the weight sensor, the weight sensor is arranged on the pulley block and is used to detect the weight of the object hoisted by the first chain and the first lifting hook in real time and send the weight information to the control cabinet, and the control cabinet judges whether the weight information is greater than a preset value: if yes, the control cabinet controls the electric motor to stop action; and if no, the control cabinet controls the electric motor to act.

[0014] Optionally, the hydraulic support hoisting device further comprises a personnel detection sensor;

[0015] A plurality of personnel detection sensors are arranged on the cross beam of the gantry, the control cabinet is in electrical connection with the plurality of personnel detection sensors, the personnel detection sensors are used to detect the number of personnel working under the cross beam and send the number information to the control cabinet, and the control cabinet judges whether the number information is 0: if yes, the control cabinet controls the electric motor to act; and if no, the control cabinet controls the electric motor to stop action.

[0016] Optionally, the rotary drive mechanism is a hydraulic motor, and the hydraulic support hoisting device further comprises a hydraulic pump station, a reversing valve group and a bidirectional hydraulic lock;

[0017] The oil supply port and the oil return port of the hydraulic pump station are connected with the corresponding oil ports of the reversing valve group in one-to-one correspondence, the reversing valve group comprises a plurality of reversing valves, the plurality of reversing valves are respectively connected with each hydraulic motor, so that the hydraulic oil output by the hydraulic pump station enters each hydraulic motor after being regulated by the reversing valve group, to control the action of each hydraulic motor, and the bidirectional hydraulic lock is arranged on the pipeline between the reversing valve and the hydraulic motor, to control the hydraulic motor to remain in a stationary state.

[0018] Optionally, the rotary driving mechanism is a hydraulic motor, and the hydraulic support hoisting device further comprises a hydraulic pump station, a reversing valve group and a bidirectional hydraulic lock, the reversing valve group being a manual pilot operated reversing valve group;

[0019] The oil supply port and the oil return port of the hydraulic pump station are connected to corresponding oil ports of the manual pilot operated reversing valve group in one-to-one correspondence, the manual pilot operated reversing valve group is connected to each hydraulic motor respectively, so that the hydraulic oil output by the hydraulic pump station enters each hydraulic motor after being regulated by the manual pilot operated reversing valve group, to control the action of each hydraulic motor, and the bidirectional hydraulic lock is arranged on the pipeline between the manual pilot operated reversing valve group and each hydraulic motor, to control the hydraulic motor to remain in a stationary state.

[0020] Optionally, the manual pilot operated reversing valve group comprises a valve body, a manual pilot valve, a first fixed rod, a second fixed rod, a rotating shaft and an L-shaped guard plate;

[0021] The valve body is provided with a plurality of manual pilot valves on the side surface, the upper part of each of the plurality of manual pilot valves is provided with a dial piece, the first fixed rod and the second fixed rod are arranged on the two sides of the plurality of manual pilot valves respectively, one end of the first fixed rod and the second fixed rod is fixedly connected to the valve body, the other end of the first fixed rod and the second fixed rod rotatably supports the rotating shaft, the rotating shaft is connected to the L-shaped guard plate, so that the L-shaped guard plate can rotate between an open position and a closed position, when the L-shaped guard plate is in the closed position, the L-shaped guard plate covers the periphery of the dial pieces of all the manual pilot valves, thereby preventing the dial pieces from being operated by mistake.

[0022] Optionally, the L-shaped guard plate comprises a first plate and a second plate connected together, the fixed end of the first plate is connected to the rotating shaft, and the space between the first plate and the second plate is used for accommodating the dial pieces of all the manual pilot valves when the L-shaped guard plate is in the closed position.

[0023] Optionally, a stepped hole is formed in the end of the first fixed rod close to the manual pilot valve, the stepped hole has a first hole section facing the L-shaped guard plate and a second hole section away from the L-shaped guard plate, the diameter of the first hole section is greater than the diameter of the second hole section; a through hole is formed in the end of the second fixed rod close to the manual pilot valve, at least two limiting grooves are formed in the side of the second fixed rod facing the L-shaped guard plate along the radial direction of the through hole, and a compression spring is arranged in the first hole section;

[0024] The rotating shaft is provided with a stepped surface at each end, forming a stepped shaft, one end of the rotating shaft is rotatably supported in the through hole, and the other end of the rotating shaft is rotatably supported in the second hole section after passing through the compression spring, when the L-shaped guard plate is opposite one of the limiting grooves, the compression spring can drive the rotating shaft to move axially, and the axial movement of the rotating shaft drives the L-shaped guard plate to insert into the limiting groove, so that the L-shaped guard plate remains in the open position or the closed position.

[0025] Optionally, the manual pilot operated reversing valve group further comprises a locking mechanism;

[0026] The outer side of the second fixed rod is provided with a locking mechanism corresponding to the rotating shaft mounting area, and the end of the rotating shaft close to the locking mechanism passes through the second fixed rod and is connected with the locking mechanism, so that the locking mechanism can selectively axially position the rotating shaft.

[0027] (Three) beneficial effects

[0028] The hydraulic support hoisting device suitable for the inside of a container has the advantages that: the hydraulic support hoisting device suitable for the inside of a container comprises a portal frame, a rotary drive mechanism and a pulley block; the portal frame comprises a ground beam extending in the front-rear direction, a cross beam extending in the left-right direction and a vertical beam connecting the ground beam and the cross beam, the bottom of the ground beam is provided with a traveling mechanism, the bottom of the cross beam is fixedly provided with a plurality of rotary drive mechanisms and pulley blocks, the rotary drive mechanisms are in transmission connection with the pulley blocks, the inside of the pulley block is wound with a first chain, the lower end of the first chain is provided with a first lifting hook, the first lifting hook is used to hook the hydraulic support, and the rotary drive mechanism is used to drive the pulley block to wind or release the first chain, so that the hydraulic support is hoisted. Compared with the existing telescopic lifting device for a container, the hydraulic support hoisting device suitable for the inside of a container can drive the pulley block to wind or release the first chain through the fixed arrangement of a plurality of rotary drive mechanisms and pulley blocks on the cross beam of the portal frame, so that the hydraulic support inside the container is hoisted, the work efficiency of the hydraulic support loading and unloading operation is improved, the safety of the hoisting operation is improved, and the hydraulic support hoisting device is particularly suitable for the inside of a container with limited space. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a front view schematic diagram of embodiment 1 of the hydraulic support hoisting device suitable for the inside of a container.

[0030] Figure 2 It is a side view schematic diagram of embodiment 1 of the hydraulic support hoisting device suitable for the inside of a container.

[0031] Figure 3 It is a hydraulic device connection schematic diagram of embodiment 2 of the hydraulic support hoisting device suitable for the inside of a container.

[0032] Figure 4 It is a principle schematic diagram of the bidirectional hydraulic lock in Figure 3

[0033] Figure 5 It is a three-dimensional schematic diagram of a manual pilot-operated directional control valve group of embodiment 3 of the hydraulic support hoisting device suitable for the inside of a container, wherein the L-shaped guard plate is in an open position.

[0034] Figure 6 ​Another perspective view of the manual pilot operated directional control valve group of the embodiment 3 of the hydraulic support hoisting device suitable for inside the container of the present application, wherein the L-shaped guard is in the closed position;

[0035] Figure 7 is a side view of the manual pilot operated directional control valve group in the embodiment 3 of the hydraulic support hoisting device suitable for inside the container of the present application; Figure 6

[0036] Figure 8 is a sectional view of the first fixed rod, the second fixed rod and the rotating shaft in the embodiment 3 of the hydraulic support hoisting device suitable for inside the container of the present application; Figure 6

[0037] Figure 9 is a sectional view of the first fixed rod in the embodiment 3 of the hydraulic support hoisting device suitable for inside the container of the present application; Figure 6

[0038] Figure 10 is a side view of the second fixed rod in the embodiment 3 of the hydraulic support hoisting device suitable for inside the container of the present application; Figure 6

[0039] Figure 11 is a sectional view of the second fixed rod at A-A in the embodiment 3 of the hydraulic support hoisting device suitable for inside the container of the present application; Figure 10

[0040] Figure 12 is a top view of the first fixed rod, the second fixed rod and the rotating shaft in the embodiment 3 of the hydraulic support hoisting device suitable for inside the container of the present application; Figure 6

[0041] Figure 13 is a side view of the first chain, the first hook and the auxiliary hoisting assembly hoisting the hydraulic support in the embodiment 4 of the hydraulic support hoisting device suitable for inside the container of the present application.

[0042]

BRIEF DESCRIPTION OF THE DRAWINGS

[0043] 1: gantry; 101: ground beam; 102: vertical beam; 103: cross beam; 104: first reinforcing beam; 105: second reinforcing beam; 106: traveling mechanism; 2: rotary drive mechanism; 201: motor; 202: hydraulic motor; 3: pulley set; 4: first chain; 5: first hook; 6: traveling motor; 7: personnel detection sensor; 9: control cabinet; 10: hydraulic pump station; 11: directional control valve group; 12: bidirectional hydraulic lock; 13: valve body; 14: manual pilot valve; 15: shifting piece; 16: first fixed rod; 17: second fixed rod; 18: rotating shaft; 19: L-shaped guard; 20: compression spring; 21: bolt; 22: stepped hole; 23: guide inclined surface; 24: through hole; 25: limiting groove; 26: locking mechanism; 27: hydraulic control check valve; 28: lifting ring; 29: second chain; 30: second hook. DETAILED DESCRIPTION

[0044] ​​​​​​For better explaining the present application, in order to facilitate understanding, the following specific embodiments are described in detail in combination with the drawings. Wherein, the orientation terms mentioned in this paper, such as "up", "down", "left", "right", "front", "back" and the like are referred to the orientation of the drawings. Figure 1

[0045] Embodiment 1

[0046] With reference to Figure 1 and Figure 2 , the embodiment provides a hydraulic support hoisting device suitable for the inside of a container.

[0047] Specifically, the hydraulic support hoisting device suitable for the inside of a container comprises a portal frame 1, a rotary drive mechanism 2 and a pulley block 3.

[0048] The portal frame 1 comprises a ground beam 101 extending in the front-rear direction, a cross beam 103 extending in the left-right direction and a vertical beam 102 connecting the ground beam 101 and the cross beam 103, the bottom of the ground beam 101 is provided with a walking mechanism 106, the bottom of the cross beam 103 is fixedly provided with a plurality of rotary drive mechanisms 2 and pulley blocks 3, the rotary drive mechanisms 2 are in transmission connection with the pulley blocks 3, the inside of the pulley block 3 is wound with a first chain 4, the lower end of the first chain 4 is provided with a first lifting hook 5, the first lifting hook 5 is used to hook the hydraulic support, and the rotary drive mechanism 2 is used to drive the pulley block 3 to wind or release the first chain 4, so as to hoist the hydraulic support.

[0049] The hydraulic support hoisting device suitable for the inside of a container of the embodiment, due to the adoption of the above structure, realizes the hoisting of the hydraulic support inside the container, not only improves the work efficiency of the hydraulic support loading and unloading operation, but also increases the safety of the hoisting operation, and is particularly suitable for the inside of a container with limited space. It should be noted that the "front-rear direction" of the embodiment is the same as the moving direction of the portal frame 1.

[0050] Further, the length of the ground beam 101 is 1.7-2m, the length of the cross beam 103 is 1.75-2.25m, and the length of the vertical beam 102 is 2-2.4m. The portal frame 1 of the embodiment can enter the inside of the container due to the adoption of the above dimensions, and further complete the hoisting operation of the hydraulic support inside the container.

[0051] Further, a first reinforcing beam 104 is arranged at the connecting corner of the ground beam 101 and the vertical beam 102, and a second reinforcing beam 105 is arranged at the connecting corner of the vertical beam 102 and the cross beam 103. It should be noted that the purpose of arranging the first reinforcing beam 104 and the second reinforcing beam 105 is to improve the overall structural strength of the portal frame 1.

[0052] ​Specifically, the rotary drive mechanism 2 can be fixed at the bottom of the cross beam 103 through a firm support, ensuring stability during work. Through the driving of the rotary drive mechanism 2, the pulley block 3 can wind or release the first chain 4, thereby driving the first lifting hook 5 and the hydraulic support to lift, which not only improves the flexibility of the equipment, but also ensures the stability and accuracy during hoisting.

[0053] Further, the rotary drive mechanism 2 of the embodiment is an electric motor 201.

[0054] In the embodiment, the hydraulic support hoisting equipment further comprises a control cabinet 9 and an electric remote control operation unit, the electric remote control operation unit comprises a remote controller and a receiver, the remote controller is in communication connection with the receiver, the receiver is fixedly arranged in the gantry 1, the control cabinet 9 is electrically connected with the receiver and the electric motor 201 respectively, the remote controller can send operation instructions to the control cabinet 9 through the receiver, and the control cabinet 9 controls the action of the electric motor 201 according to the operation instructions.

[0055] It should be noted that the electric remote control operation unit provides great convenience for the operator. The remote controller is simple and convenient to operate, and the operator can send various operation instructions to the control cabinet 9 through the electric remote control operation unit. The control cabinet 9 can accurately receive various operation instructions and quickly control the electric motor 201 to make corresponding actions. This remote control operation mode not only improves the work efficiency, but also ensures the safety of the operator.

[0056] Further, the ground beam 101 is provided with a traveling motor 6 electrically connected with the control cabinet 9, and the traveling motor 6 is in transmission connection with the traveling mechanism 106. It should be noted that the traveling mechanism 106 is a wheeled traveling mechanism or a tracked traveling mechanism, and the wheels of the wheeled traveling mechanism or the tracks of the tracked traveling mechanism are in transmission connection with the traveling motor 6, so that the traveling motor 6 can drive the traveling mechanism 106 to move forward and backward.

[0057] Further, the hydraulic support hoisting equipment suitable for the inside of a container further comprises a weight sensor. The control cabinet 9 is electrically connected with the weight sensor, and the weight sensor is arranged on the pulley block 3 and used for detecting the weight of the object hoisted by the first chain 4 and the first lifting hook 5 in real time, and sending the weight information to the control cabinet 9. The control cabinet 9 judges whether the weight information is greater than a preset value: if yes, the control cabinet 9 controls the electric motor 201 to stop; if no, the control cabinet 9 controls the electric motor 201 to act.

[0058] It should be noted that the preset value is the maximum carrying capacity of the hydraulic support hoisting equipment. When the weight of the hoisted object exceeds the maximum carrying capacity of the equipment, the weight sensor sends a signal to the control cabinet 9, and the control cabinet 9 controls the electric motor 201 to stop, which effectively prevents the occurrence of equipment damage or safety accidents caused by overweight.

[0059] Further, the remote controller is provided with a display screen, which can display the working state and working parameters of the hydraulic support hoisting device in real time, such as lifting height, hoisting weight, etc. The operator can understand the working condition of the hydraulic support hoisting device at any time by observing the information on the display screen, so as to make more accurate judgments and decisions.

[0060] Further, the hydraulic support hoisting device suitable for the inside of the container further comprises a personnel detection sensor 7. A plurality of personnel detection sensors 7 are arranged on the cross beam 103 of the portal frame 1, and the control cabinet 9 is electrically connected with the plurality of personnel detection sensors 7. The personnel detection sensor 7 is used to detect the number of personnel under the cross beam 103, and send the number information to the control cabinet. The control cabinet judges whether the number information is 0: if yes, the control cabinet controls the motor 201 to act; if no, the control cabinet controls the motor 201 to stop acting. The purpose of such arrangement is to prohibit the operation of the rotary drive mechanism 2 in the case that there are personnel under the cross beam 103, so as to further improve the safety of hoisting.

[0061] Specifically, the personnel detection sensor 7 of the embodiment can be an infrared sensor, a pyroelectric sensor, a millimeter wave sensor or a radar sensor.

[0062] The embodiment also provides a use method of the hydraulic support hoisting device.

[0063] S1, the control cabinet 9 controls the walking motor 6 to start, and the walking motor 6 drives the walking mechanism 106 to make the walking mechanism 106 drive the portal frame 1 to approach the hydraulic support to be hoisted. When the portal frame 1 straddles above the hydraulic support, the control cabinet 9 controls the walking motor 6 to stop;

[0064] S2, the control cabinet 9 controls the rotary drive mechanism 2 to rotate, and the rotary drive mechanism 2 rotates to drive the pulley block 3 to release the first chain 4, so as to make the first hook 5 at the lower end of the first chain 4 approach the hydraulic support. Then, the first hook 5 hooks the hydraulic support;

[0065] S3, the control cabinet 9 controls the rotary drive mechanism 2 to reverse rotation, and the rotary drive mechanism 2 reverses rotation to drive the pulley block 3 to wind the first chain 4, and further drive the first hook 5 and the hydraulic support to move upward;

[0066] S4, the control cabinet 9 controls the walking motor 6 to start, and the walking motor 6 drives the walking mechanism 106 to make the walking mechanism 106 drive the portal frame 1 carrying the hydraulic support to approach the container. When the portal frame 1 enters the inside of the container, the control cabinet 9 controls the walking motor 6 to stop;

[0067] S5, the control cabinet 9 controls the rotary drive mechanism 2 to rotate, the rotary drive mechanism 2 drives the pulley block 3 to release the first chain 4, and then drives the first lifting hook 5 and the hydraulic support to move downward, and places the hydraulic support in the container; then, the first lifting hook 5 is released from the restriction of the hydraulic support;

[0068] S6, the control cabinet 9 controls the walking motor 6 to start, and the walking motor 6 drives the walking mechanism 106 to move the gantry 1 to the outside of the container.

[0069] It should be noted that in steps S1 to S6, the operator can send operation instructions to the control cabinet 9 through the electric remote control operation unit, and the control cabinet 9 controls the working of the walking motor 6 and the rotary drive mechanism 2 according to the operation instructions, so as to improve the safety.

[0070] Embodiment 2:

[0071] With reference to Figure 3 and Figure 4 , this embodiment provides another hydraulic support hoisting equipment suitable for the inside of a container, which is different from embodiment 1 in that the rotary drive mechanism 2 of this embodiment is a hydraulic motor 202, and in addition, the hydraulic support hoisting equipment suitable for the inside of a container of this embodiment further comprises a hydraulic pump station 10, a reversing valve group 11 and a bidirectional hydraulic lock 12.

[0072] The oil supply port and the oil return port of the hydraulic pump station 10 are connected with the corresponding oil ports of the reversing valve group 11 one by one, the reversing valve group 11 comprises a plurality of reversing valves, and the plurality of reversing valves are respectively connected with each hydraulic motor 202, so that the hydraulic oil output by the hydraulic pump station 10 enters each hydraulic motor 202 after being regulated by the reversing valve group 11, so as to control the action of each hydraulic motor 202, and the bidirectional hydraulic lock 12 is arranged on the pipeline between the reversing valve and the hydraulic motor 202, so as to control the hydraulic motor 202 to be selectively kept in a static state.

[0073] It should be noted that the bidirectional hydraulic lock 12 is to lock the liquid in a volume by using the principle of hydraulic pressure, so that the actuator can be kept in a static state for a long time. It is essentially composed of two hydraulic control one-way valves 27, which take the pressure of the opposite oil way as the pilot oil. When one side of the pipeline has no pressure, the other side is closed at the same time, so that the hydraulic motor 202 can be selectively locked.

[0074] Further, the reversing valve of the embodiment is an electromagnetic reversing valve, and the electromagnetic reversing valve is electrically connected with the control cabinet 9. Preferably, the electromagnetic reversing valve is a three-position four-way electromagnetic reversing valve, which has three working position states and four oil ports (two in and two out), and each three-position four-way electromagnetic reversing valve controls one hydraulic motor 202. The electromagnetic reversing valve can remotely control the flow direction of the hydraulic oil by being powered or being powered off, thereby controlling the action of the hydraulic motor 202.

[0075] The remaining parts are the same as those in Embodiment 1, which are not described here.

[0076] Embodiment 3:

[0077] With reference to Figure 5 and Figure 6 , the embodiment provides another hydraulic support hoisting device suitable for a container interior. Compared with Embodiment 2, the reversing valve group 11 of the embodiment is a manual pilot type hydraulic control reversing valve group, which includes a valve body 13, a manual pilot valve 14, a first fixed rod 16, a second fixed rod 17, a rotating shaft 18, and an L-shaped guard plate 19.

[0078] A plurality of main valve cores are slidably arranged in the valve body 13, and a plurality of manual pilot valves 14 are arranged on the side surface of the valve body 13. Each manual pilot valve 10 controls one main valve core, the upper part of each manual pilot valve 14 is provided with a knob 15, and the first fixed rod 16 and the second fixed rod 17 are arranged on the two sides of each manual pilot valve 14. One end of the first fixed rod 16 and the second fixed rod 17 is fixedly connected with the valve body 13, and the other end of the first fixed rod 16 and the second fixed rod 17 rotatably supports the rotating shaft 18. The rotating shaft 18 is connected with the L-shaped guard plate 19, so that the L-shaped guard plate 19 can rotate between the open position and the closed position. When the L-shaped guard plate 19 is in the closed position, the L-shaped guard plate 19 covers the periphery of the knob 15 of each manual pilot valve 14, thereby preventing the knob 15 from being mistakenly operated. It should be noted that the operator manually operates the manual pilot valve 10 to generate control oil pressure, thereby driving the main valve core in the valve body 9 to act, so as to switch the flow direction of the fluid in the hydraulic system.

[0079] The manual pilot type hydraulic control reversing valve group of the embodiment can shield the operation direction of the knob 15 through the L-shaped guard plate 19, thereby preventing the operator from mistakenly operating the manual pilot type hydraulic control reversing valve group and preventing the mistaken operation caused by the collision of a falling object with the knob 15. This significantly improves the anti-mistaken operation performance of the manual pilot type hydraulic control reversing valve group, and further improves the safety performance of the hydraulic support hoisting device using the manual pilot type hydraulic control reversing valve group as the main control component.

[0080] Specifically, the L-shaped guard plate 19 comprises a first plate and a second plate connected together, a fixed end of the first plate is connected with the rotating shaft 18, and the space between the first plate and the second plate is used for accommodating all the spools 15 of the manual pilot valve 14 when the L-shaped guard plate 19 is in the closed position.

[0081] Further, the first fixed rod 16 and the second fixed rod 17 are detachably connected with the valve body 13 through bolts 21. Preferably, the bolts 21 are M10 hexagon bolts, which can be disassembled by using common tools, so that they have reliable safety and convenient transportation and maintenance. The M10 hexagon bolts are preferably made of stainless steel S30408 (06Cr19Ni10) material. In addition, the M10 hexagon bolts can also be replaced by hexagon socket screws. At this time, the hexagonal wrench used by the operator during maintenance is lighter in size and weight than the hexagonal wrench, which reduces the labor intensity of the maintenance personnel.

[0082] Further, the outer surface of the L-shaped guard plate 19 of the embodiment is subjected to wire drawing treatment to form a satin surface. The satin surface not only improves the appearance quality of the L-shaped guard plate 19, but also has the effect of reducing surface roughness, enhancing wear resistance and corrosion resistance.

[0083] Referring to Figure 7 , Figure 8 , Figure 9 , Figure 10 and Figure 11 , a stepped hole 22 is formed in one end of the first fixed rod 16 close to the manual pilot valve 14, the stepped hole 22 has a first hole section facing the L-shaped guard plate 19 and a second hole section away from the L-shaped guard plate 19, the diameter of the first hole section is greater than that of the second hole section. A through hole 24 is formed in one end of the second fixed rod 17 close to the manual pilot valve 14, at least two limiting grooves 25 are formed in the side of the second fixed rod 17 facing the L-shaped guard plate 19 along the radial direction of the through hole 24, and a compression spring 20 is arranged in the first hole section.

[0084] The rotating shaft 18 is provided with a stepped surface at both ends to form a stepped shaft, one end of the rotating shaft 18 is rotatably supported in the through hole 24, and the other end of the rotating shaft 18 passes through the compression spring 20 and is rotatably supported in the second hole section. When the L-shaped guard plate 19 is opposite to one of the limiting grooves 25, the compression spring 20 can drive the rotating shaft 18 to move axially, and the axial movement of the rotating shaft 18 drives the L-shaped guard plate 19 to insert into the limiting groove 25, so that the L-shaped guard plate 19 is kept in the open position or the closed position.

[0085] It should be noted that the L-shaped guard plate 19 and the rotating shaft 18 can have a displacement of 3-5 mm in the axial direction, and the operator can push the L-shaped guard plate 19 to pull it out of the limiting groove 25 and then perform a rotating operation.

[0086] Preferably, the L-shaped guard plate 19 and the rotating shaft 18 are combined into one body by welding, and the L-shaped guard plate 19 is 3mm longer than the left side step of the rotating shaft 18 when welded. The purpose of such arrangement is that the L-shaped guard plate 19 can cooperate with the limiting groove 25 opened on the second fixed rod 17, thereby realizing the limiting of the L-shaped guard plate 19, avoiding the L-shaped guard plate 19 from rotating by itself under its own gravity or other interference factors, dispersing the attention of the operator, and interfering with the normal operation of the operator.

[0087] Preferably, the first fixed rod 16 and the second fixed rod 17 are made of stainless steel S30408 (06Cr19Ni10) material, the thickness is 10-14mm, the width is 18-22mm, and the length is 180-190mm. The stainless steel material is widely available, and the first fixed rod 16 and the second fixed rod 17 are easy to obtain, having the advantages of light weight, small size, easy to manufacture, easy to install, easy to maintain, etc.

[0088] Preferably, the bolt fixing hole at the rear end of the first fixed rod 16 and the second fixed rod 17 is a φ10.5mm circular hole, and the middle bolt fixing hole is an oblong hole, the radius R of the two circular arcs at both ends of the oblong hole is 5.25mm, and the center distance of the two circular arcs is 3.5mm. In this way, a firm installation effect can be obtained, and the machining error of the bolt fixing hole on the side surface of the valve body 13 can be adapted, improving the adaptability of the first fixed rod 16 and the second fixed rod 17, and reducing the machining difficulty of the first fixed rod 16 and the second fixed rod 17.

[0089] Preferably, the front end of the first fixed rod 16 is rounded, and the radius of the circular arc is 10mm. The hole diameter of the first hole section of the stepped hole 22 on the first fixed rod 16 is 11.5mm, and the depth is 5mm. The hole diameter of the second hole section of the stepped hole 22 is φ8mm, and the depth is 7mm. The first hole section is used as a spring guide sleeve for fixing the compression spring 20, and the second hole section is used as a hard friction bearing seat for the rotating shaft 18. In order to avoid the compression spring 20 from scratching the edge of the first hole section, the edge of the first hole section is provided with a guide slope 23. When the compression spring 20 is compressed, the guide slope 23 guides the compression spring 20, so that the compression spring 20 slides into the first hole section.

[0090] Preferably, the front end of the second fixed rod 17 is rounded, and the radius of the circular arc is 10mm. The through hole 24 on the second fixed rod 17 is used as a hard friction bearing seat for the rotating shaft 18, and the hole diameter is 8mm. The limiting groove 25 is used as a limiting slot for the L-shaped guard plate 19, the groove width is 3.5mm, the groove depth is 4mm, and the groove center line passes through the center of the through hole 24. The number of limiting grooves 25 can be two or more. In this embodiment, the number of limiting grooves 25 is 2.

[0091] Preferably, the rotating shaft 18 is made of stainless steel S30408 (06Cr19Ni10) round steel. The rotating shaft 18 has a diameter of 12 mm and a length of 247 mm, and the diameter of the two ends is reduced to 7.5 mm. The left end is reduced to a length of 15 mm, and the right end is reduced to a length of 22 mm. The left end is matched with the front end of the second fixed rod 17, the right end is used as a spring guide shaft, and the other part is matched with the front end of the first fixed rod 16, so that the rotating shaft 18 can be limited between the first fixed rod 16 and the second fixed rod 17 and can rotate freely around the common axis of the stepped hole 22 and the through hole 24.

[0092] Preferably, the compression spring 20 is a cylindrical spiral compression stainless steel spring, which can push the rotating shaft 18 and the L-shaped guard plate 19 towards the second fixed rod 17 when the L-shaped guard plate 19 is aligned with the limiting groove 25, thereby limiting the L-shaped guard plate 19. In this embodiment, a stainless steel compression spring made of stainless steel S30408 (06Cr19Ni10) spring wire is used. To ensure the limiting effect and facilitate the adjustment of the limiting position of the L-shaped guard plate 19 by the operator, the spring force of the compression spring 20 in the working position should be between 10-130 N. According to the structural characteristics of the embodiment, the outer diameter of the spring should be < 11.5 mm, the inner diameter of the spring should be > 7.5 mm, and the length of the spring in the working state should be between 15-18 mm. Therefore, a spring made of stainless steel S30408 (06Cr19Ni10) spring wire with a diameter of 1.5 mm is selected, the inner diameter is 8 mm, the middle diameter is 9.5 mm, the outer diameter is 11 mm, the length of the spring in the free state is 22 mm, the length of the spring in the working state is 15-18 mm, the spring force in the working state is 35.92-62.68 N, and the effect is good.

[0093] Preferably, the L-shaped guard plate 19 is made of stainless steel S30408 (06Cr19Ni10) by bending, and the length of the long side after bending is 72 mm, the length of the short side after bending is 50 mm, and the bending radius is 15 mm.

[0094] Referring to Figure 12 , the manual pilot operated hydraulic control reversing valve group further comprises a locking mechanism 26. The locking mechanism 26 is arranged on the outer side of the second fixed rod 17 corresponding to the installation area of the rotating shaft 18. The end of the rotating shaft 18 close to the locking mechanism 26 passes through the second fixed rod 17 and is connected with the locking mechanism 26, so that the locking mechanism 26 can selectively axially position the rotating shaft 18.

[0095] Further, the locking mechanism 26 is a key lock, a password disc or a magnetic lock, and an annular groove is formed in the end of the rotating shaft 18 in the circumferential direction. The locking mechanism 26 selectively engages with the annular groove.

[0096] The manual pilot-controlled reversing valve group of the embodiment adopts the locking mechanism 26, and the L-shaped guard plate 19 is double-locked by physical isolation and mechanical interlocking mechanism, i.e., unlocking + rotation, which further reduces the misoperation of the operator.

[0097] The remaining parts are the same as those in Embodiment 2, which are not described here.

[0098] Embodiment 4:

[0099] Referring to Figure 13 , the embodiment provides another hydraulic support hoisting device suitable for a container interior. On the basis of Embodiment 1, the hydraulic support hoisting device of the embodiment further comprises an auxiliary hoisting assembly, and the first hook 5 is connected to the base of the hydraulic support through the auxiliary hoisting assembly.

[0100] Specifically, the auxiliary hoisting assembly comprises a lifting ring 28, a second chain 29, and a second hook 30. The first hook 5 is connected to the lifting ring 28, the lifting ring 28 is connected to two second chains 29, one end of each of the two second chains 29 away from the lifting ring 28 is connected to the second hook 30, one of the two second hooks 30 is connected to the front part of the side plate of the base of the hydraulic support, and the other of the two second hooks 30 is connected to the rear part of the side plate of the base of the hydraulic support.

[0101] The remaining parts are the same as those in Embodiment 1, which are not described here.

[0102] In the description of the present application, it should be understood that the terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically defined and limited.

[0103] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0104] In the present application, unless otherwise explicitly specified and limited, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature is "over", "above" and "on top of" a second feature can mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. A first feature is "under", "below" and "underneath" a second feature can mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0105] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0106] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A hydraulic support hoisting device suitable for use inside a container, characterized in that, It includes a gantry frame (1), a rotary drive mechanism (2), and a pulley block (3); The gantry (1) includes a ground beam (101) extending in the front-to-back direction, a crossbeam (103) extending in the left-to-right direction, and a vertical beam (102) connecting the ground beam (101) and the crossbeam (103). A traveling mechanism (106) is provided at the bottom of the ground beam (101). Multiple rotary drive mechanisms (2) and pulley blocks (3) are fixedly provided at the bottom of the crossbeam (103). The rotary drive mechanism (2) is connected to the pulley block (3) in a transmission. A first chain (4) is wound inside the pulley block (3). A first hook (5) is provided at the lower end of the first chain (4). The first hook (5) is used to hook the hydraulic support. The rotary drive mechanism (2) is used to drive the pulley block (3) to wind or release the first chain (4) to lift the hydraulic support.

2. The hydraulic support hoisting equipment for use inside containers as described in claim 1, characterized in that: The rotary drive mechanism (2) is a motor (201). The hydraulic support hoisting equipment also includes a control cabinet (9) and an electric remote control operation unit, which includes a remote controller and a receiver. The remote controller is connected to the receiver. The receiver is fixedly mounted on the gantry (1) and electrically connected to the control cabinet (9). The control cabinet (9) is electrically connected to the motor (201). The remote controller can send operation commands to the control cabinet (9) through the receiver. The control cabinet (9) controls the operation of the motor (201) according to the operation commands.

3. The hydraulic support hoisting equipment suitable for use inside containers as described in claim 2, characterized in that: Hydraulic support hoisting equipment also includes weight sensors; The control cabinet (9) is electrically connected to the weight sensor, which is installed on the pulley block (3) to detect the weight of the object hoisted by the first chain (4) and the first hook (5) in real time and send the weight information to the control cabinet (9). The control cabinet (9) determines whether the weight information is greater than the preset value: if yes, the control cabinet (9) controls the motor (201) to stop; if no, the control cabinet (9) controls the motor (201) to operate.

4. The hydraulic support hoisting equipment for use inside containers as described in claim 2, characterized in that: The hydraulic support hoisting equipment also includes personnel detection sensors (7); Multiple personnel detection sensors (7) are installed on the crossbeam (103) of the gantry frame (1). The control cabinet (9) is electrically connected to the multiple personnel detection sensors (7). The personnel detection sensors (7) are used to detect the number of workers under the crossbeam (103) and send the number information to the control cabinet. The control cabinet determines whether the number information is 0: if yes, the control cabinet controls the motor (201) to operate; if no, the control cabinet controls the motor (201) to stop operating.

5. The hydraulic support hoisting equipment for use inside containers as described in claim 1, characterized in that: The rotary drive mechanism (2) is a hydraulic motor (202), and the hydraulic support hoisting equipment also includes a hydraulic pump station (10), a reversing valve group (11), and a two-way hydraulic lock (12); The oil supply port and oil return port of the hydraulic pump station (10) are connected one-to-one with the corresponding oil ports of the reversing valve group (11). The reversing valve group (11) includes multiple reversing valves, which are connected to each hydraulic motor (202) respectively. This allows the hydraulic oil output by the hydraulic pump station (10) to enter each hydraulic motor (202) after being regulated by the reversing valve group (11) to control the action of each hydraulic motor (202). Furthermore, a two-way hydraulic lock (12) is installed on the pipeline between the reversing valve and the hydraulic motor (202) to control the hydraulic motor (202) to remain stationary.

6. The hydraulic support hoisting equipment for use inside containers as described in claim 1, characterized in that: The rotary drive mechanism (2) is a hydraulic motor (202). The hydraulic support hoisting equipment also includes a hydraulic pump station (10), a reversing valve group (11) and a two-way hydraulic lock (12). The reversing valve group (11) is a manual pilot-operated hydraulic control reversing valve group. The oil supply port and oil return port of the hydraulic pump station (10) are connected one-to-one with the corresponding oil ports of the manual pilot-operated hydraulic directional valve group. The manual pilot-operated hydraulic directional valve group is connected to each hydraulic motor (202) respectively, so that the hydraulic oil output by the hydraulic pump station (10) enters each hydraulic motor (202) after being regulated by the manual pilot-operated hydraulic directional valve group, so as to control the action of each hydraulic motor (202). Furthermore, a two-way hydraulic lock (12) is installed on the pipeline between the manual pilot-operated hydraulic directional valve group and each hydraulic motor (202) to control the hydraulic motor (202) to remain in a stationary state.

7. The hydraulic support hoisting equipment for use inside containers as described in claim 6, characterized in that: The manual pilot-operated hydraulic directional valve assembly includes a valve body (13), a manual pilot valve (14), a first fixed rod (16), a second fixed rod (17), a rotating shaft (18), and an L-shaped guard plate (19); Multiple manual pilot valves (14) are provided on the side of the valve body (13). Each of the multiple manual pilot valves (14) has a paddle (15) on its upper part. A first fixed rod (16) and a second fixed rod (17) are respectively provided on both sides of the multiple manual pilot valves (14). One end of the first fixed rod (16) and the second fixed rod (17) are fixedly connected to the valve body (13). The other end of the first fixed rod (16) and the second fixed rod (17) is rotatably supported by a rotating shaft (18). The rotating shaft (18) is connected to an L-shaped guard plate (19), so that the L-shaped guard plate (19) can rotate between the open position and the closed position. When the L-shaped guard plate (19) is in the closed position, the L-shaped guard plate (19) covers the periphery of the paddle (15) of all the manual pilot valves (14), thereby preventing accidental operation of the paddle (15).

8. The hydraulic support lifting equipment for use inside containers as described in claim 7, characterized in that: The L-shaped guard plate (19) includes a first plate and a second plate connected together. The fixed end of the first plate is connected to the rotating shaft (18). The space between the first plate and the second plate is used to accommodate the paddles (15) of all manual pilot valves (14) when the L-shaped guard plate (19) is in the closed position.

9. The hydraulic support lifting equipment for use inside containers as described in claim 7, characterized in that: The first fixing rod (16) has a stepped hole (22) at one end near the manual pilot valve (14). The stepped hole (22) has a first hole section facing the L-shaped guard plate (19) and a second hole section facing away from the L-shaped guard plate (19). The diameter of the first hole section is larger than the diameter of the second hole section. The second fixing rod (17) has a through hole (24) at one end near the manual pilot valve (14). The second fixing rod (17) has at least two limiting grooves (25) along the radial direction of the through hole (24) on the side facing the L-shaped guard plate (19). A compression spring (20) is provided in the first hole section. Both ends of the rotating shaft (18) are provided with stepped surfaces to form a stepped shaft. One end of the rotating shaft (18) is rotatably supported by the through hole (24), and the other end of the rotating shaft (18) passes through the compression spring (20) and is rotatably supported in the second hole section. When the L-shaped guard plate (19) is facing one of the limiting grooves (25), the compression spring (20) can drive the rotating shaft (18) to move axially. The axial movement of the rotating shaft (18) will drive the L-shaped guard plate (19) to be inserted into the limiting groove (25), so that the L-shaped guard plate (19) is kept in the open or closed position.

10. The hydraulic support hoisting equipment for use inside containers as described in claim 9, characterized in that: The manual pilot-operated hydraulic directional valve assembly also includes a locking mechanism (26); A locking mechanism (26) is provided on the outer side of the second fixing rod (17) corresponding to the mounting area of ​​the rotating shaft (18). After the end of the rotating shaft (18) close to the locking mechanism (26) passes through the second fixing rod (17), it is connected to the locking mechanism (26). Thus, the locking mechanism (26) can selectively position the rotating shaft (18) axially.

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