A reinforced lifting frame for reducing the failure rate of cranes used in port machinery

Abstract

The present invention discloses a reinforced lifting frame for reducing the failure rate of cranes for port machinery, comprising a lifting frame, a fourth ear frame is installed at one end of the lifting frame, an oil tank is installed on the inner side of the fourth ear frame, a second pulley is installed at one end of the fourth ear frame, a gantry is installed above the lifting frame near the tail position, a slider is installed on one side of the connecting side ear, a wire rope winding shaft is installed on the first ear frame, a servo motor is installed on one side below the first ear frame, a hydraulic rod is installed at one end of the second ear frame through a bolt hole, a hinged ear frame is installed on the top of the second ear frame, an axle seat is installed below the reinforcement frame, and the bottom end of the axle seat is installed on the crane body. An oil tank is installed at one end of the lifting frame of the present invention, and the oil tank is connected to the second pulley through an oil pipeline, through which the second pulley can be lubricated in real time to reduce the probability of damage.

Description

Technical Field

[0001] The invention relates to the technical field of reinforced lifting frames, in particular to a reinforced lifting frame used for port machinery and capable of reducing the failure rate of cranes. Background Art

[0002] The lifting frame is used by port machinery to control the lifting of goods. Port equipment is an indispensable material and technical basis for modern ports to engage in loading and unloading transportation production, and is an important part of the port production quality assurance system. The port is located along the sea, river, lake, and reservoir, and has waterway intermodal transportation equipment and conditions for ships to safely enter and exit and berth. The transportation hub is a gathering point and hub for water and land transportation, a distribution center for industrial and agricultural products and foreign trade import and export materials, and a place for ships to berth, load and unload goods, get on and off passengers, and replenish supplies. Crane refers to a multi-action lifting machinery that vertically lifts and horizontally transports heavy objects within a certain range. It is also called an overhead crane, a crane, and a crane. The main features of a tire crane are: its driving cab and the lifting control room are combined into one, and it is evolved from a crawler crane (crawler crane). The crawler and walking bracket parts of the walking mechanism are turned into a chassis with tires, which overcomes the disadvantage that the crawler plates of crawler cranes (crawler cranes) cause damage to the road surface. It belongs to material handling machinery.

[0003] There are many deficiencies in the current lifting frames, for example, poor safety protection performance, easy damage after long-term use, and high failure rate. Summary of the invention

[0004] The purpose of the present invention is to provide a reinforced lifting frame for port machinery that reduces the failure rate of cranes, so as to solve the problems of poor safety protection performance, easy damage after long-term use, high failure rate, etc. mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a reinforced lifting frame for reducing the failure rate of cranes for port machinery, comprising a lifting frame, a fourth ear frame is installed at one end of the lifting frame, an oil tank is installed on the inner side of the fourth ear frame, a second pulley is installed at one end of the fourth ear frame, a gantry is installed above the lifting frame near the tail position, reinforcement struts are installed on both sides of the gantry, a third ear frame is installed on the top of the gantry, a transmission wheel is installed on the third ear frame, a connecting side ear is installed on the other end of the lifting frame, and one side of the connecting side ear is installed A slider is installed on the side, one end of the connecting side ear is installed on the reinforcement frame, a first pulley is installed on the top of the reinforcement frame, a guide rail groove is provided on one side of the reinforcement frame, a second ear frame is installed on one side of the reinforcement frame, and a first ear frame is installed on the other side of the reinforcement frame. A wire rope winding shaft is installed on the first ear frame, a servo motor is installed on the lower side of the first ear frame, a hydraulic rod is installed on one end of the second ear frame through a bolt hole, a hinged ear frame is installed on the top of the second ear frame, an axle seat is installed below the reinforcement frame, and the bottom end of the axle seat is installed on the crane body.

[0006] Preferably, the servo motor is connected to the wire rope take-up shaft via a transmission belt, and the wire rope is wound on the wire rope take-up shaft.

[0007] Preferably, one end of the hydraulic rod is connected to the bottom of the gantry, and two hydraulic rods are provided.

[0008] Preferably, a hinged ear is installed at one end of the bottom of the lifting frame close to the tail, and the hinged ear is hingedly connected to the hinged ear frame.

[0009] Preferably, the middle inner cavity of the second pulley is configured as an oil delivery hole, and the oil tank is connected to the oil delivery hole of the second pulley via a liquid delivery tube.

[0010] Preferably, the connecting side ear is slidably connected to the guide rail groove via a slider, and the guide rail groove is configured as an arc structure with the hinged ear frame and the hinge pin of the hinged ear as the center of the circle.

[0011] Preferably, the second pulley, the transmission wheel, the first pulley and the wire rope take-up shaft are connected via a wire rope transmission.

[0012] Preferably, the bottom end of the reinforcement frame is rotatably connected to the axle seat via a rotating shaft, and the axle seat is mounted on the top end of the crane body via bolts.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. An oil tank is installed at one end of the lifting frame of the present invention, and the oil tank is connected to the second pulley through an oil pipeline, through which the second pulley can be lubricated in real time to reduce the probability of damage;

[0015] 2. The bottom side of the lifting frame of the present invention is hingedly connected to the hinged ear frame through a hinged ear, and a connecting side ear is installed at one end of the lifting frame, and a slider is installed on one side of the connecting side ear, and the connecting side ear is installed on the guide rail groove on one side of the reinforcement frame through the slider. Through this design, the lifting stability of the lifting frame can be greatly improved, which can reduce the force on the single position of the lifting frame, resulting in high pressure, which can easily cause a heavy burden on the body and increase the frequency of damage, and can effectively improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a reinforced lifting frame for reducing the failure rate of cranes used in port machinery of the present invention;

[0017] Figure 2 A top view of the lifting frame of the present invention;

[0018] Figure 3 It is a rear view of the reinforcement frame of the present invention;

[0019] Figure 4 It is a side view of the third ear bracket of the present invention.

[0020] In the figure: 1. first pulley; 2. reinforcement frame; 3. wire rope reeling shaft; 4. first ear frame; 5. servo motor; 6. articulated ear; 7. articulated ear frame; 8. hydraulic rod; 9. bolt hole; 10. second ear frame; 11. axle seat; 12. crane body; 13. lifting frame; 14. reinforcement support rod; 15. gantry; 16. third ear frame; 17. transmission wheel; 18. oil tank; 19. fourth ear frame; 20. second pulley; 21. guide rail groove; 22. connecting side ear; 23. slider. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4The present invention provides an embodiment: a reinforced lifting frame for reducing the failure rate of cranes for port machinery, comprising a lifting frame 13, a fourth ear frame 19 is installed at one end of the lifting frame 13, an oil tank 18 is installed inside the fourth ear frame 19, the oil tank 18 is convenient for providing lubricating oil to the second pulley 20, a second pulley 20 is installed at one end of the fourth ear frame 19, a gantry 15 is installed above the lifting frame 13 near the tail position, and the gantry 15 is used to 3 is reinforced and conveniently connected to one end of the hydraulic rod 8. Reinforcement struts 14 are installed on both sides of the gantry 15. The reinforcement struts 14 are used to strengthen and fix the gantry 15. A third ear frame 16 is installed on the top of the gantry 15. A transmission wheel 17 is installed on the third ear frame 16. The transmission wheel 17 assists the transmission of the wire rope. A connecting side ear 22 is installed at the other end of the lifting frame 13. The connecting side ear 22 can be connected to the guide rail groove 21 through a slider 23, so that it can be used to lift the lifting frame. The motion trajectory of 13 is limited to increase the stability and safety of its lifting, a slider 23 is installed on one side of the connecting side ear 22, one end of the connecting side ear 22 is installed on the reinforcement frame 2, a first pulley 1 is installed on the top of the reinforcement frame 2, a guide rail groove 21 is provided on one side of the reinforcement frame 2, a second ear frame 10 is installed on one side of the reinforcement frame 2, a first ear frame 4 is installed on the other side of the reinforcement frame 2, a wire rope reeling shaft 3 is installed on the first ear frame 4, and the wire rope reeling shaft 3 is used to reel in the wire Rope, a servo motor 5 is installed on one side below the first ear bracket 4, and the servo motor 5 is used to drive the wire rope winding shaft 3 to reel in. A hydraulic rod 8 is installed at one end of the second ear bracket 10 through a bolt hole 9. A hinged ear bracket 7 is installed on the top of the second ear bracket 10. An axle seat 11 is installed below the reinforcement frame 2, and the axle seat 11 can control the rotation of the lifting frame 13. The bottom end of the axle seat 11 is installed on the crane body 12, and the crane body 12 is used to load the lifting frame 13 to facilitate its transportation control.

[0023] Furthermore, the servo motor 5 is connected to the wire rope take-up shaft 3 through a transmission belt transmission, and the wire rope take-up shaft 3 has a wire rope wound on it. The servo motor 5 drives the wire rope take-up shaft 3 to rotate, so that the wire rope is controlled to be wound up.

[0024] Furthermore, one end of the hydraulic rod 8 is connected to the bottom of the gantry 15 , and two hydraulic rods 8 are provided in total, and the swing of the lifting frame 13 is controlled by the hydraulic rods 8 .

[0025] Furthermore, a hinged ear 6 is installed at one end of the bottom of the lifting frame 13 near the tail, and the hinged ear 6 is hingedly connected to the hinged ear frame 7. Through this design, the lifting frame 13 can swing around the hinge.

[0026] Furthermore, the middle inner cavity of the second pulley 20 is set as an oil delivery hole, and the oil tank 18 is connected to the oil delivery hole of the second pulley 20 through an infusion pipe. The oil in the oil tank 18 can be conveniently supplied to the second pulley 20 through the oil delivery hole to lubricate it and reduce the damage rate.

[0027] Furthermore, the connecting side ear 22 is slidably connected to the guide rail groove 21 through a slider 23, and the guide rail groove 21 is configured as an arc structure with the hinge pin of the hinged ear frame 7 and the hinged ear 6 as the center of the circle. This design makes the lifting of the lifting frame 13 more stable and safe.

[0028] Furthermore, the second pulley 20, the transmission wheel 17, the first pulley 1 and the wire rope take-up shaft 3 are connected through a wire rope transmission, which facilitates the transmission of the wire rope.

[0029] Furthermore, the bottom end of the reinforcement frame 2 is rotatably connected to the axle seat 11 via a rotating shaft, and the axle seat 11 is installed on the top of the crane body 12 via bolts, so that the overall rotation of the lifting frame 13 can be conveniently controlled via the axle seat 11.

[0030] Working principle: When the equipment is in use, through the extension and retraction of the hydraulic rod 8, one end of the hydraulic rod 8 applies an upward force to the gantry 15, so that the gantry 15 drives the lifting frame 13 to swing up and down around the hinge of the hinged ear frame 7 and the hinged ear 6 through the reinforcement strut 14. During the up and down swinging process of the lifting frame 13, the connecting side ear 22 at one end thereof slides in an arc on the guide rail groove 21 through the slider 23, so as to limit the swinging of the lifting frame 13, and the servo motor 5 drives the wire rope winding shaft 3 to rotate, so that the wire rope winding shaft 3 winds up the wire rope, and the wire rope is driven by the first pulley 1, the transmission wheel 17 and the second pulley 20 to control the lifting of the goods. The overall rotation of the lifting frame 13 is conveniently controlled through the axle seat 11, and the overall movement of the lifting frame 13 is conveniently driven through the crane body 12, so as to facilitate the transportation control.

[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A reinforced lifting frame for reducing the failure rate of cranes used in port machinery, comprising a lifting frame (13), characterized in that: A fourth ear frame (19) is mounted on one end of the lifting frame (13), an oil tank (18) is mounted on the inner side of the fourth ear frame (19), a second pulley (20) is mounted on one end of the fourth ear frame (19), a central inner cavity of the second pulley (20) is provided as an oil delivery hole, and the oil tank (18) and the oil delivery hole of the second pulley (20) are connected via an infusion pipe, a hinged ear (6) is mounted on one end of the bottom of the lifting frame (13) near the tail, and the hinged ear (6) is hingedly connected to the hinged ear frame (7), A gantry frame (15) is installed above the lifting frame (13) near the tail, and reinforcement struts (14) are installed on both sides of the gantry frame (15). A third ear frame (16) is installed on the top of the gantry frame (15), and a transmission wheel (17) is installed on the third ear frame (16). A connecting side ear (22) is installed on the other end of the lifting frame (13), and a slider (23) is installed on one side of the connecting side ear (22). One end of the connecting side ear (22) is installed on the reinforcement frame (2). A first pulley (1) is installed at the top of the reinforcement frame (2), a guide rail groove (21) is provided on one side of the reinforcement frame (2), the connecting side ear (22) is slidably connected to the guide rail groove (21) via a slider (23), and the guide rail groove (21) is arranged as an arc structure with the hinge pin of the hinged ear frame (7) and the hinged ear (6) as the center, a second ear frame (10) is installed on one side of the reinforcement frame (2), and a first ear frame (4) is installed on the other side of the reinforcement frame (2), and a steel A wire rope reeling shaft (3), a servo motor (5) is installed on one side below the first ear frame (4), a hydraulic rod (8) is installed on one end of the second ear frame (10) through a bolt hole (9), one end of the hydraulic rod (8) is connected to the bottom of the gantry (15), and there are two hydraulic rods (8) in total, a hinged ear frame (7) is installed on the top of the second ear frame (10), and an axle seat (11) is installed below the reinforcement frame (2), and the bottom end of the axle seat (11) is installed on the crane body (12).

2. A reinforced lifting frame for reducing the failure rate of cranes for port machinery according to claim 1, characterized in that: The servo motor (5) is connected to the wire rope reeling shaft (3) via a transmission belt, and a wire rope is reeled onto the wire rope reeling shaft (3).

3. The reinforced lifting frame for reducing the failure rate of cranes used in port machinery according to claim 1 is characterized in that: The second pulley (20), the transmission wheel (17), the first pulley (1) and the wire rope reel (3) are connected via a wire rope transmission.

4. The reinforced lifting frame for reducing the failure rate of cranes used in port machinery according to claim 1 is characterized in that: The bottom end of the reinforcement frame (2) is rotatably connected to the axle seat (11) via a rotating shaft, and the axle seat (11) is mounted on the top end of the crane body (12) via bolts.

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