Tower crane capable of preventing materials from falling off for engineering construction

Abstract

The invention discloses a hoisting tower crane capable of preventing materials from falling off for engineering construction, and relates to the technical field of tower cranes, the hoisting tower crane comprises a supporting tower, a hoisting mechanism and a hook assembly, the hoisting mechanism comprises a moving trolley, a winding roller is rotatably mounted on the side of the top of the moving trolley through a supporting leg, and a servo motor is fixedly mounted on the side of the outer side of the supporting leg; a steel wire rope is wound in the middle of the winding roller, a crescent block is fixedly installed at the edge of the outer side of the winding roller, a pressing assembly is installed at the position, close to the winding roller, of the outer side of the moving trolley, the hook assembly comprises a connecting wheel, a lifting hook is fixedly installed at the bottom end of the connecting wheel, and a support is hinged to the middle of the outer side of the lifting hook; arc-shaped teeth are fixedly installed in the middle of the top of the support, and a clamping cap is fixedly installed at the bottom end of the support through a U-shaped rod. According to the tower crane capable of preventing the materials from falling off for engineering construction, the anti-falling effect is achieved, the materials are stably lifted, the materials are prevented from falling off, and lifting is safe and reliable.

Description

Technical Field

[0001] The invention relates to the technical field of tower cranes, in particular to a lifting tower crane capable of preventing materials from falling off during engineering construction. Background Art

[0002] Engineering construction is the activity of building, expanding, and renovating construction projects according to the requirements of the construction project design documents. With the continuous development of science and technology and the rapid progress of society, there are more and more construction projects. However, the application of lifting tower cranes is also increasing. Tower cranes are one of the indispensable equipment in engineering construction. Due to the construction requirements of different heights, tower cranes will be built at different heights. During the construction of the tower crane, the tower crane beam will be used to raise the standard section to the top of the tower crane, and the standard section will be installed on the top of the tower crane to raise the height of the tower crane, or reverse the operation to dismantle the tower crane. Tower crane is a type of crane. Tower crane is the most commonly used lifting equipment on construction sites, also known as "tower crane", which is used to lift construction materials such as steel bars, wooden slats, concrete, steel pipes, etc.

[0003] At present, when lifting heavy objects, the tower cranes on the construction site are easily affected by the wind and shake, which may cause the heavy objects hanging on the hook to come off the hook. It is inconvenient to self-lock the hook, and as the materials fall off, there is a great safety hazard. Summary of the invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A lifting tower crane capable of preventing materials from falling off for engineering construction, comprising:

[0005] A support tower, the support tower having a tower body for supporting function, a tower arm being installed on the top of the support tower, and a guide rail being fixedly installed on the edge of the bottom of the tower arm;

[0006] A hoisting mechanism, which is used to reel in and lower the hoisting rope, and the hoisting mechanism is installed above the guide rail;

[0007] The hoisting mechanism comprises a moving trolley, which is slidably mounted just above the guide rail, a winding roller is rotatably mounted on the side of the top of the moving trolley through a supporting leg, a servo motor is fixedly mounted on the side of the outer side of the supporting leg, the output end of the servo motor is fixedly mounted between the winding roller through a coupling, a steel wire rope is wound around the middle of the winding roller, a crescent block is fixedly mounted on the outer edge of the winding roller, a pressing assembly is mounted on the outer side of the moving trolley and close to the winding roller, the moving trolley is supported by a supporting tower and a tower arm and guided by the guide rail, the hoisting mechanism is moved to a specified position, and the position is adjusted;

[0008] At the same time, the winding roller is driven to rotate by the rotation of the output end of the servo motor, and the output shaft of the servo motor can be used to rotate forward and reverse, so that the wire rope can be wound and lowered, thereby promoting the lifting of materials, and the materials can be hoisted;

[0009] Also includes:

[0010] A hook assembly, which is used to hook and fix the material, and the hook assembly is installed at the bottom of the wire rope;

[0011] Among them, the hook assembly includes a connecting wheel, and the connecting wheel is rotatably installed at the bottom of the wire rope, a hook is fixedly installed at the bottom end of the connecting wheel, a bracket is hinged at the middle of the outer side of the hook, an arc-shaped tooth is fixedly installed in the middle of the top of the bracket, an arc-shaped hole is opened in the middle of the arc-shaped tooth, and the wire rope passes through the arc-shaped hole, and a clamping cap is fixedly installed at the bottom end of the bracket through a U-shaped rod, and the wire rope is wound by a winding roller, and the weight of the heavy object itself is used to make the wire rope be pulled downward, and the rolling of the connecting wheel and rolling friction are used to reduce frictional resistance, thereby reducing wear on the wire rope and promoting protection of the wire rope.

[0012] Preferably, the servo motor and the winding roller are installed at the same height, and the crescent blocks are evenly distributed on the edge of the outer side of the winding roller.

[0013] Preferably, a guide roller is installed on the top of the moving trolley and at one end away from the winding roller, a base is fixedly installed at the side of the outer side of the moving trolley and close to the guide roller, and the first round roller and the second round roller are respectively installed at corresponding positions on the bottom of the moving trolley. The wire rope passes around the outer cylindrical surface of the guide roller, the outer cylindrical surface of the first round roller and the outer cylindrical surface of the second round roller. The end of the wire rope away from the winding roller is fixedly installed with the bottom of the base, and the guide roller, the first round roller and the second round roller are used to guide the wire rope to change the transmission direction of the wire rope.

[0014] Preferably, the pressing assembly includes a strip plate, which is fixedly installed on the outside of the moving trolley and close to the winding roller by bolts, and a curved pressure plate is hinged in the middle of the top of the strip plate, and a spring is fixedly installed between the outside of the curved pressure plate and the top of the strip plate. When the rotating winding roller winds the wire rope, the elastic tension of the spring is used to make the curved pressure plate in an inclined state, so that the curved pressure plate can be used to press the wound wire rope, thereby preventing the wire rope from loosening.

[0015] Preferably, the arc pressure plate is installed at an angle, and the spring is arc-shaped, and the center of the spring coincides with the hinge point at the bottom of the arc pressure plate. When the material is lifted by the joint action of the wire rope and the hook, the wire rope is straightened by the weight of the material, and the wire rope passes through the arc hole, so that the arc teeth are subjected to an oblique upward pulling force, and under the rotation support of the bracket, the bracket drives the clamping cap to rotate clockwise through the U-shaped rod to adjust the angle, and the clamping cap can be clamped on the top of the hook at the bottom of the hook, so that the hook can be self-locked, so that the hook at the bottom of the hook cooperates with the clamping cap to form a closure, thereby effectively preventing the material from falling off and improving the overall safety performance during lifting.

[0016] Preferably, there are two connecting wheels, and the two connecting wheels are symmetrically installed along the central axis in the middle of the hook, and the snap-in cap is installed above the bent hook at the bottom of the hook. When the material is lifted, the wire rope is lowered, making the wire rope loose, and the tension of the wire rope on the arc teeth disappears. Under the action of the gravity of the arc teeth and the bracket, the bracket drives the snap-in cap to rotate counterclockwise through the U-shaped rod to reset it, so that the snap-in cap is disengaged from the top of the hook at the bottom of the hook, and unhooking can be achieved, thereby facilitating the removal of the material.

[0017] The hook is installed at the bottom of the wire rope. When hoisting materials, the symmetrical wire ropes on both sides of the hook are tilted and straightened, forming a triangle with the tower arm, which has stability and reduces swing when hoisting materials in the horizontal direction, making the hoisting smooth.

[0018] Preferably, a lubrication assembly is installed in the middle of the top of the mobile trolley, and the lubrication assembly includes a rectangular guide groove, a slider is slidably installed on the top of the rectangular guide groove, and a reset spring piece is fixedly installed between the outer side of the slider and the side of the inner cavity of the rectangular guide groove, and a box is fixedly installed on the top of the slide, and a cover plate is fixedly installed in the middle of the top of the box by screws, and a conical bucket is fixedly installed at the corresponding position of the outer side of the box, and a force-bearing circle is fixedly installed at the side of the outer side of the box and close to the position of the crescent block, and an oil brushing module is installed in the middle of the inner wall of the box, and a wiping ring is fixedly installed at the corresponding position of the top of the inner wall of the box, as the winding roller drives the crescent block to rotate, the crescent block is in contact with the force-bearing circle, and the crescent block continues to rotate, so that the force-bearing circle is subjected to a driving force to the right side, and under the guidance of the rectangular guide groove and the sliding connection of the slider, the box moves to the end away from the winding roller, and the reset spring piece is compressed;

[0019] The crescent block is separated from the force circle, so that the driving force on the force circle disappears, and under the elastic force of the reset spring, the box body moves in the opposite direction for reset. In this way, the oil brushing module is driven to move back and forth as a whole through the box body, so that the brush can reciprocate and oil the wire rope.

[0020] Preferably, there are two rectangular guide grooves, and the two rectangular guide grooves are symmetrically installed along the box body, and the reset spring is arc-shaped. The wire rope is passed through the center of the conical bucket and the wiping ring, so that the wire rope is in a horizontal state, which is convenient for winding the wire rope. As the wire rope moves, the wiping ring wipes the surface of the wire rope, so that the lubricating oil is evenly applied to the surface of the wire rope, thereby allowing the lubricating oil to fully lubricate the wire rope.

[0021] Preferably, the oil brushing module comprises a supporting round roller, the two ends of the supporting round roller are rotatably mounted at the middle of the inner wall of the box body, an annular wheel is fixedly mounted at the middle of the outer circumference of the supporting round roller, a brush is fixedly mounted on the outer circumference of the supporting round roller and close to the annular wheel, an oil guide groove is fixedly mounted on the outer circumference of the supporting round roller and close to the brush, a steel wire rope is placed on the top of the annular wheel, and as the steel wire rope moves and under the rotation support of the supporting round roller, the brush and the oil guide groove rotate together, so that the brush can contact the steel wire rope, and the lubricating oil attached to the surface of the brush can be brushed to the surface of the steel wire rope, so that the steel wire rope can be lubricated;

[0022] At the same time, when the oil guide groove is used for circular rotation, the lubricating oil is stored in the oil guide groove. When the oil guide groove is rotated to the top, the oil guide groove can be used to guide the oil to the position of the brush, thereby increasing the lubricating oil wrapped on the surface of the brush.

[0023] Preferably, the brushes and the oil guide grooves are in two groups, and the two groups of the oil guide grooves are symmetrically installed along the annular wheel, and the oil guide grooves are arc-shaped.

[0024] The present invention provides a tower crane for preventing materials from falling off during construction. It has the following beneficial effects:

[0025] 1. The tower crane that can prevent materials from falling off used in the construction of this project uses the support of the support tower and the tower arm and is guided by the guide rail to make the mobile trolley move in a straight line, move the hoisting mechanism to the specified position, adjust the position, and use the rotation of the output end of the servo motor to drive the winding roller to rotate. The output shaft of the servo motor can be used to rotate forward and reverse to reel in and out the wire rope, thereby promoting the lifting of materials and hoisting them.

[0026] 2. The tower crane used in the construction of this project can prevent materials from falling. When the rotating winding roller reels the wire rope, the elastic tension of the spring is used to make the arc pressure plate in an inclined state. The arc pressure plate can then be used to press the wound wire rope, making it less likely for the wire rope to become loose.

[0027] 3. The tower crane used in the construction of this project can prevent materials from falling. It uses a winding roller to wind up the wire rope, and uses the weight of the heavy object to pull the wire rope downward. The rolling of the connecting wheel uses rolling friction to reduce frictional resistance, thereby reducing the wear on the wire rope and promoting protection of the wire rope.

[0028] 4. The tower crane that can prevent materials from falling off used in the construction of this project uses the steel wire rope to be straightened by the weight of the material, and the steel wire rope passes through the arc-shaped hole, so that the arc-shaped teeth are subjected to an oblique upward pulling force, so that the bracket drives the clamping cap to rotate clockwise through the U-shaped rod to adjust the angle, and the clamping cap can be clamped on the top of the hook at the bottom of the hook, so that the hook can be self-locked, so that the hook at the bottom of the hook cooperates with the clamping cap to form a closure, thereby effectively preventing materials from falling off and improving the overall safety performance during lifting.

[0029] 5. The tower crane used in the construction of this project can prevent materials from falling. As the wire rope is lowered, it becomes loose and the pulling force of the wire rope on the arc-shaped teeth disappears. Under the action of the gravity of the arc-shaped teeth and the bracket, the bracket drives the clamping cap to rotate counterclockwise through the U-shaped rod to reset it, so that the clamping cap is separated from the top of the hook at the bottom of the hook, and unhooking can be achieved, which helps to remove the material.

[0030] 6. The tower crane that can prevent materials from falling used in the construction of this project uses a hook installed at the bottom of the wire rope. When hoisting materials, the symmetrical wire ropes on both sides of the hook are tilted and straightened, forming a triangle with the tower arm, which has stability and reduces swing when hoisting materials in the horizontal direction, making the hoisting smooth.

[0031] 7. The tower crane that can prevent materials from falling off used in the construction of this project, as the wire rope applies driving force to the annular wheel and under the rotation support of the supporting round roller, the brush and the oil guide groove rotate together, so that the brush can contact the wire rope, and the lubricating oil attached to the surface of the brush can be brushed to the surface of the wire rope, so that the wire rope can be lubricated. At the same time, when the oil guide groove is used to rotate in a circle, the oil guide groove is diverted to the position of the brush, thereby increasing the lubricating oil wrapped on the surface of the brush.

[0032] 8. The tower crane that can prevent materials from falling off used in the construction of this project has a rotating crescent block that applies a driving force to the force circle and is guided by the rectangular guide groove to move the box body to the end away from the winding roller and compress the reset spring piece. The crescent block is separated from the force circle, so that the driving force on the force circle disappears, and under the elastic force of the reset spring piece, the box body moves in the opposite direction to reset. In this way, the oil brushing module is driven to move back and forth as a whole through the box body, so that the brush can reciprocate and oil the wire rope.

[0033] 9. The tower crane that can prevent materials from falling used in the construction of this project uses a steel wire rope to pass through the center of the conical bucket and the wiping circle, so that the steel wire rope is in a horizontal state, which is convenient for winding the steel wire rope. As the steel wire rope moves, the wiping circle wipes the surface of the steel wire rope, so that the lubricating oil is evenly applied on the surface of the steel wire rope, thereby making the lubricating oil fully lubricate the steel wire rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic diagram of the overall structure of a lifting tower crane capable of preventing materials from falling off during construction of the present invention;

[0035] Figure 2 A schematic diagram of the structure of a tower crane capable of preventing materials from falling off during construction of the present invention when viewed from above;

[0036] Figure 3 It is a schematic diagram of the connection structure between the hoisting mechanism and the guide rail of the present invention;

[0037] Figure 4 This is a bottom view of the structure of the hoisting mechanism of the present invention;

[0038] Figure 5 It is a schematic diagram of the overall structure of the pressing assembly of the present invention;

[0039] Figure 6 It is a schematic diagram of the connection structure between the hook assembly and the steel wire rope of the present invention;

[0040] Figure 7 It is a schematic diagram of the connection structure between the lubrication assembly and the mobile trolley of the present invention;

[0041] Figure 8 This is a schematic diagram of the internal structure of the box cross section of the present invention;

[0042] Fig. 9 It is a schematic diagram of the overall structure of the oil brushing module of the present invention.

[0043] In the figure: 1, support tower; 2, tower arm; 3, guide rail; 4, hoisting mechanism; 5, hook assembly; 6, lubrication assembly; 41, mobile trolley; 42, winding roller; 43, servo motor; 44, wire rope; 45, crescent block; 46, pressing assembly; 47, guide roller; 48, base; 49, first round roller; 410, second round roller; 51, connecting wheel; 52, hook; 53, bracket; 54, Arc-shaped teeth; 55, arc-shaped holes; 56, snap-on cap; 461, strip plate; 462, arc-shaped pressure plate; 463, spring; 61, rectangular guide groove; 62, slider; 63, reset spring; 64, box body; 65, cover plate; 66, conical bucket; 67, force circle; 68, oil brush module; 69, wiping ring; 681, supporting roller; 682, oil guide groove; 683, annular wheel; 684, brush. DETAILED DESCRIPTION

[0044] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0045] The first embodiment, as Figure 1-Figure 5 As shown, the present invention provides a technical solution: a lifting tower crane capable of preventing materials from falling off for engineering construction, comprising:

[0046] A support tower 1, wherein the support tower 1 has a tower body for supporting, a tower arm 2 is installed on the top of the support tower 1, and a guide rail 3 is fixedly installed at the edge of the bottom of the tower arm 2;

[0047] A hoisting mechanism 4, which is used to reel in and lower the hoisting rope, and the hoisting mechanism 4 is installed above the guide rail 3;

[0048] The hoisting mechanism 4 includes a moving trolley 41, which is slidably installed just above the guide rail 3, and a winding roller 42 is rotatably installed on the side of the top of the moving trolley 41 through a supporting leg, and a servo motor 43 is fixedly installed on the side of the outer side of the supporting leg, and the output end of the servo motor 43 is fixedly installed between the winding roller 42 through a coupling, and a steel wire rope 44 is wound around the middle of the winding roller 42, and a crescent block 45 is fixedly installed on the outer edge of the winding roller 42, and a pressing component 46 is installed on the outer side of the moving trolley 41 and close to the winding roller 42. With the support of the support tower 1 and the tower arm 2 and under the guidance of the guide rail 3, the moving trolley 41 is moved linearly, and the hoisting mechanism 4 is moved to a specified position to adjust the position;

[0049] At the same time, the staff turns on the servo motor 43 to work, and uses the rotation of the output end of the servo motor 43 to drive the winding roller 42 to rotate, and the output shaft of the servo motor 43 can be used to rotate forward and reverse, so that the wire rope 44 can be wound and lowered, thereby promoting the lifting of the material, and the material can be hoisted;

[0050] A guide roller 47 is installed on the top of the moving trolley 41 and at one end away from the winding roller 42, a base 48 is fixedly installed on the side of the outer side of the moving trolley 41 and close to the guide roller 47, and a first round roller 49 and a second round roller 410 are installed at corresponding positions on the bottom of the moving trolley 41, respectively. The wire rope 44 passes around the outer cylindrical surface of the guide roller 47, the outer cylindrical surface of the first round roller 49 and the outer cylindrical surface of the second round roller 410, and the end of the wire rope 44 away from the winding roller 42 is fixedly installed with the bottom of the base 48, and the guide roller 47, the first round roller 49 and the second round roller 410 are used to guide the wire rope 44 to change the transmission direction of the wire rope 44.

[0051] The servo motor 43 and the winding roller 42 are installed at the same height, and the crescent blocks 45 are evenly distributed on the outer edge of the winding roller 42 .

[0052] The pressing assembly 46 includes a strip plate 461, which is fixedly installed on the outside of the moving trolley 41 and close to the winding roller 42 by bolts. A curved pressure plate 462 is hinged in the middle of the top of the strip plate 461, and a spring 463 is fixedly installed between the outside of the curved pressure plate 462 and the top of the strip plate 461. When the rotating winding roller 42 winds the wire rope 44, the elastic tension of the spring 463 is used to make the curved pressure plate 462 in an inclined state, so that the curved pressure plate 462 can be used to press the wound wire rope 44, thereby preventing the wire rope 44 from becoming loose.

[0053] The arc surface pressure plate 462 is installed at an angle, the spring 463 is arc-shaped, and the center of the spring 463 coincides with the hinge point at the bottom of the arc surface pressure plate 462 .

[0054] The second embodiment, as Figure 1-Figure 6 As shown, based on the first embodiment:

[0055] Also includes:

[0056] A hook assembly 5, which is used to hook and fix the material, and the hook assembly 5 is installed at the bottom of the wire rope 44;

[0057] Among them, the hook assembly 5 includes a connecting wheel 51, which is rotatably installed at the bottom of the wire rope 44, a hook 52 is fixedly installed at the bottom end of the connecting wheel 51, a bracket 53 is hinged in the middle of the outer side of the hook 52, an arc-shaped tooth 54 is fixedly installed in the middle of the top of the bracket 53, an arc-shaped hole 55 is opened in the middle of the arc-shaped tooth 54, and the wire rope 44 passes through the arc-shaped hole 55, and a clamping cap 56 is fixedly installed at the bottom end of the bracket 53 through a U-shaped rod. The material to be hoisted is hooked on the hook at the bottom of the hook 52, and the wire rope 44 is reeled up by the winding roller 42. The weight of the heavy object is used to make the wire rope 44 subject to downward pulling force, and the rolling of the connecting wheel 51 and rolling friction are used to reduce frictional resistance, thereby reducing the wear on the wire rope 44 and promoting the protection of the wire rope 44.

[0058] There are two connecting wheels 51, and the two connecting wheels 51 are symmetrically installed along the central axis in the middle of the hook 52. The snap-on cap 56 is installed above the bent hook at the bottom of the hook 52. When the material is hoisted, as the wire rope 44 is lowered, the wire rope 44 becomes loose, and the tension of the wire rope 44 on the arc-shaped teeth 54 disappears. Under the action of the gravity of the arc-shaped teeth 54 and the bracket 53, the bracket 53 drives the snap-on cap 56 to rotate counterclockwise through the U-shaped rod to reset, so that the snap-on cap 56 is disengaged from the top of the hook at the bottom of the hook 52, and unhooking can be achieved, thereby facilitating the removal of the material.

[0059] When the material is lifted by the joint action of the wire rope 44 and the hook 52, the wire rope 44 is straightened by the weight of the material, and the wire rope 44 passes through the arc hole 55, so that the arc tooth 54 is subjected to an oblique upward pulling force, and under the rotation support of the bracket 53, the bracket 53 drives the clamping cap 56 to rotate clockwise through the U-shaped rod to adjust the angle, and the clamping cap 56 can be clamped on the top of the hook at the bottom of the hook 52, so that the hook 52 can be self-locked, so that the hook at the bottom of the hook 52 cooperates with the clamping cap 56 to form a closure, thereby effectively preventing the material from falling off.

[0060] The hook 52 is installed at the bottom of the wire rope 44. When lifting materials, the symmetrical wire ropes 44 on both sides of the hook 52 are tilted and straightened, and the wire ropes 44 and the tower arm 2 form a triangle, which has stability and reduces swing when the material is lifted and moved horizontally.

[0061] The third embodiment, as Figure 1-Figure 5 and Figure 7-Figure 9 As shown, based on the first embodiment:

[0062] A lubrication assembly 6 is installed in the middle of the top of the mobile trolley 41. The lubrication assembly 6 includes a rectangular guide groove 61, a slider 62 is slidably installed on the top of the rectangular guide groove 61, a reset spring 63 is fixedly installed between the outer side of the slider 62 and the side of the inner cavity of the rectangular guide groove 61, a box body 64 is fixedly installed on the top of the slider 62, a cover plate 65 is fixedly installed in the middle of the top of the box body 64 by screws, a conical bucket 66 is fixedly installed at the corresponding position of the outer side of the box body 64, and a The force circle 67 and the oil brush module 68 are installed in the middle of the box body 64, and the corresponding positions on the top of the inner wall of the box body 64 are fixedly installed with a wiping circle 69. As the winding roller 42 drives the crescent block 45 to rotate, the crescent block 45 is in contact with the force circle 67, and the crescent block 45 is continuously rotated, so that the force circle 67 is pushed to the right, and under the guidance of the rectangular guide groove 61 and the sliding connection of the slider 62, the box body 64 moves to the end away from the winding roller 42, and the reset spring 63 is compressed;

[0063] By disengaging the crescent block 45 from the force circle 67, the driving force on the force circle 67 disappears, and under the elastic force of the reset spring 63, the box body 64 moves in the opposite direction for reset. In this way, the oil brushing module 68 is driven to move back and forth as a whole through the box body 64, so that the brush 684 can reciprocate and brush oil on the wire rope 44.

[0064] There are two rectangular guide grooves 61, and the two rectangular guide grooves 61 are symmetrically installed along the box body 64. The reset spring 63 is arc-shaped. The wire rope 44 is passed through the center of the conical bucket 66 and the wiping circle 69, so that the wire rope 44 is in a horizontal state, which is convenient for winding the wire rope 44. As the wire rope 44 moves, the wiping circle 69 wipes the surface of the wire rope 44, so that the lubricating oil is evenly applied to the surface of the wire rope 44, so that the lubricating oil fully lubricates the wire rope 44.

[0065] The oil brushing module 68 includes a supporting roller 681, both ends of which are rotatably mounted in the middle of the inner wall of the box body 64, an annular wheel 683 is fixedly mounted in the middle of the outer circumference of the supporting roller 681, a brush 684 is fixedly mounted on the outer circumference of the supporting roller 681 and close to the annular wheel 683, and an oil guide groove 682 is fixedly mounted on the outer circumference of the supporting roller 681 and close to the brush 684. The steel wire rope 44 is placed on the top of the annular wheel 683, and with the movement of the steel wire rope 44 and the rotation support of the supporting roller 681, the brush 684 and the oil guide groove 682 rotate together, so that the brush 684 can contact the steel wire rope 44, and the lubricating oil attached to the surface of the brush 684 can be applied to the surface of the steel wire rope 44, so that the steel wire rope 44 can be lubricated;

[0066] At the same time, when the oil guide groove 682 is used for circular rotation, the lubricating oil is stored in the oil guide groove 682 , and when the oil guide groove 682 is rotated to the top, the oil guide groove 682 can be used to guide the oil to the position of the brush 684 , thereby increasing the lubricating oil wrapped around the surface of the brush 684 .

[0067] The brushes 684 and the oil guide grooves 682 are in two groups, and the two groups of oil guide grooves 682 are symmetrically installed along the annular wheel 683, and the oil guide grooves 682 are arc-shaped.

[0068] When in use, first, under the guidance of the guide rail 3, the moving trolley 41 moves in a straight line, the hoisting mechanism 4 is moved to the specified position, and the position is adjusted. At this time, the staff turns on the servo motor 43 to work, and the winding roller 42 is driven to rotate by the rotation of the output end of the servo motor 43. The output shaft of the servo motor 43 can be reversed to lower the wire rope 44, so that the hook assembly 5 moves downward as a whole;

[0069] The material to be hoisted is hooked on the hook at the bottom of the hook 52, and the winding roller 42 is driven to rotate by the rotation of the output end of the servo motor 43 again, so that the output shaft of the servo motor 43 can be used to rotate forward to reel in the wire rope 44, and the weight of the heavy object itself is used to make the wire rope 44 subject to downward pulling force, and the rolling of the connecting wheel 51 uses rolling friction to reduce friction resistance, thereby reducing the wear of the wire rope 44 and promoting the protection of the wire rope 44. The wire rope 44 is straightened by the weight of the material, and the wire rope 44 passes through the arc hole 55, so that the arc teeth 54 are subjected to an oblique upward pulling force, and under the rotation support of the bracket 53, the bracket 53 drives the clamping cap 56 to rotate clockwise through the U-shaped rod to adjust the angle, and the clamping cap 56 can be clamped on the top of the hook at the bottom of the hook 52, so that the hook 52 can be self-locked, so that the hook at the bottom of the hook 52 cooperates with the clamping cap 56 to form a closure, thereby effectively preventing the material from falling off;

[0070] The hook 52 is installed at the bottom of the wire rope 44. When lifting materials, the wire ropes 44 symmetrically located on both sides of the hook 52 are tilted and straightened, and the wire ropes 44 and the tower arm 2 form a triangle, which has stability, thereby reducing the swing when the material is lifted in the horizontal direction, and the material can be lifted;

[0071] When the rotating winding roller 42 winds up the wire rope 44, the elastic tension of the spring 463 is used to make the arc surface pressure plate 462 in an inclined state, so that the arc surface pressure plate 462 can be used to press the wound wire rope 44, so that the wire rope 44 is not easy to be loose.

[0072] As the winding roller 42 drives the crescent block 45 to rotate, the crescent block 45 contacts the force circle 67, and the crescent block 45 continues to rotate, so that the force circle 67 is pushed to the right, and under the guidance of the rectangular guide groove 61 and the sliding connection of the slider 62, the box body 64 moves to the end away from the winding roller 42, and the reset spring 63 is compressed;

[0073] The crescent block 45 is separated from the force circle 67, so that the driving force on the force circle 67 disappears, and under the elastic force of the reset spring 63, the box body 64 moves in the opposite direction to reset, so that the oil brushing module 68 is driven to move back and forth as a whole through the box body 64, so that the brush 684 can reciprocate and brush the wire rope 44 with oil;

[0074] Moreover, as the steel wire rope 44 moves, and under the rotation support of the supporting round roller 681, the brush 684 and the oil guide groove 682 rotate together, so that the brush 684 can contact the steel wire rope 44, and the lubricating oil attached to the surface of the brush 684 can be applied to the surface of the steel wire rope 44, so that the steel wire rope 44 can be lubricated;

[0075] At the same time, when the oil guide groove 682 is rotated in a circle, the lubricating oil is stored in the oil guide groove 682. When the oil guide groove 682 is rotated to the top, the oil guide groove 682 is guided toward the position of the brush 684, thereby increasing the amount of lubricating oil wrapped around the surface of the brush 684.

[0076] When the material is hoisted, as the wire rope 44 is lowered, the wire rope 44 becomes loose, and the tension of the wire rope 44 on the arc teeth 54 disappears. Under the action of the gravity of the arc teeth 54 and the bracket 53, the bracket 53 drives the clamping cap 56 to rotate counterclockwise through the U-shaped rod to reset, so that the clamping cap 56 is disengaged from the top of the hook at the bottom of the hook 52, and unhooking can be achieved, which helps to remove the material.

[0077] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A tower crane capable of preventing materials from falling off for engineering construction, characterized in that: include: A support tower (1), the support tower (1) having a tower body for supporting function, a tower arm (2) being installed on the top of the support tower (1), and a guide rail (3) being fixedly installed at the edge of the bottom of the tower arm (2); A hoisting mechanism (4), the hoisting mechanism (4) is used to reel in and lower the hoisting rope, and the hoisting mechanism (4) is installed above the guide rail (3); The hoisting mechanism (4) comprises a moving trolley (41), the moving trolley (41) is slidably mounted just above the guide rail (3), a winding roller (42) is rotatably mounted on the side of the top of the moving trolley (41) through a supporting leg, a servo motor (43) is fixedly mounted on the side of the outer side of the supporting leg, the output end of the servo motor (43) is fixedly mounted between the winding roller (42) through a coupling, a steel wire rope (44) is wound around the middle of the winding roller (42), a crescent block (45) is fixedly mounted on the outer edge of the winding roller (42), and a pressing component (46) is mounted on the outer side of the moving trolley (41) and close to the winding roller (42); Also includes: A hook assembly (5), the hook assembly (5) is used to hook and fix the material, and the hook assembly (5) is installed at the bottom of the wire rope (44); The hook assembly (5) comprises a connecting wheel (51), the connecting wheel (51) is rotatably mounted on the bottom of the steel wire rope (44), a hook (52) is fixedly mounted on the bottom end of the connecting wheel (51), a bracket (53) is hingedly mounted in the middle of the outer side of the hook (52), an arc-shaped tooth (54) is fixedly mounted in the middle of the top of the bracket (53), an arc-shaped hole (55) is opened in the middle of the arc-shaped tooth (54), the steel wire rope (44) passes through the arc-shaped hole (55), and a clamping cap (56) is fixedly mounted on the bottom end of the bracket (53) through a U-shaped rod.

2. The tower crane capable of preventing materials from falling off for engineering construction according to claim 1 is characterized in that: The servo motor (43) and the winding roller (42) are installed at the same height, and the crescent blocks (45) are evenly distributed on the outer edge of the winding roller (42).

3. The tower crane capable of preventing materials from falling off for engineering construction according to claim 1 is characterized in that: A guide roller (47) is installed at the top of the movable trolley (41) and at one end away from the winding roller (42); a base (48) is fixedly installed at the side of the outer side of the movable trolley (41) and close to the guide roller (47); a first round roller (49) and a second round roller (410) are respectively installed at corresponding positions on the bottom of the movable trolley (41); the steel wire rope (44) passes around the outer cylindrical surface of the guide roller (47), the outer cylindrical surface of the first round roller (49) and the outer cylindrical surface of the second round roller (410); and one end of the steel wire rope (44) away from the winding roller (42) is fixedly installed at the bottom of the base (48).

4. The tower crane capable of preventing materials from falling off for engineering construction according to claim 1 is characterized in that: The pressing assembly (46) includes a strip plate (461), which is fixedly installed on the outside of the moving trolley (41) and close to the winding roller (42) by bolts, and a curved pressure plate (462) is hinged in the middle of the top of the strip plate (461), and a spring (463) is fixedly installed between the outside of the curved pressure plate (462) and the top of the strip plate (461).

5. The tower crane capable of preventing materials from falling off for engineering construction according to claim 4 is characterized in that: The arc surface pressure plate (462) is installed at an angle, the spring (463) is arc-shaped, and the center of the spring (463) coincides with the hinge point at the bottom of the arc surface pressure plate (462).

6. The tower crane capable of preventing materials from falling off for engineering construction according to claim 1 is characterized in that: There are two connecting wheels (51), and the two connecting wheels (51) are symmetrically installed along the central axis in the middle of the hook (52), and the clamping cap (56) is installed above the bottom bend of the hook (52).

7. The tower crane capable of preventing materials from falling off for engineering construction according to claim 1 is characterized in that: A lubrication assembly (6) is installed in the middle of the top of the movable trolley (41), and the lubrication assembly (6) comprises a rectangular guide groove (61), a slider (62) is slidably installed at the top of the rectangular guide groove (61), a reset spring (63) is fixedly installed between the outer side of the slider (62) and the side of the inner cavity of the rectangular guide groove (61), a box body (64) is fixedly installed on the top of the slider (62), a cover plate (65) is fixedly installed in the middle of the top of the box body (64) by screws, a conical bucket (66) is fixedly installed at the corresponding position of the outer side of the box body (64), a force circle (67) is fixedly installed at the side of the outer side of the box body (64) and close to the crescent block (45), an oil brush module (68) is installed in the middle of the box body (64), and a wiping ring (69) is fixedly installed at the corresponding position of the top of the inner wall of the box body (64).

8. The tower crane capable of preventing materials from falling off for engineering construction according to claim 7 is characterized in that: There are two rectangular guide grooves (61), and the two rectangular guide grooves (61) are symmetrically installed along the box body (64), and the reset spring sheet (63) is arc-shaped.

9. The tower crane capable of preventing materials from falling off for engineering construction according to claim 7 is characterized in that: The oil brushing module (68) comprises a supporting circular roller (681), the two ends of the supporting circular roller (681) are rotatably mounted at the middle of the inner wall of the box body (64), an annular wheel (683) is fixedly mounted at the middle of the outer cylindrical surface of the supporting circular roller (681), a brush (684) is fixedly mounted on the outer cylindrical surface of the supporting circular roller (681) and close to the annular wheel (683), and an oil guide groove (682) is fixedly mounted on the outer cylindrical surface of the supporting circular roller (681) and close to the brush (684).

10. The tower crane capable of preventing materials from falling off for engineering construction according to claim 9, characterized in that: The brushes (684) and the oil guide grooves (682) are provided in two groups, and the two groups of the oil guide grooves (682) are symmetrically installed along the annular wheel (683), and the oil guide grooves (682) are arc-shaped.

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