CN216038304U - Automatic large-tonnage tower crane - Google Patents

Abstract

The utility model provides an automatic large-tonnage tower crane which comprises a base, a bottom supporting tower frame, an automatic height limiting and adjusting machine structure, a rotating machine, a rotating beam, a hoisting motor, a winding wheel, a hoisting rope, a hoisting hook, a large-tonnage counterweight adjustable rod structure, an anti-falling hoisting protection buffer plate structure and an automatic remote control equipment structure, wherein the bottom supporting tower frame is connected with the middle part of the upper part of the base through a bolt. The height lifting frame, the lifting motor, the rotary screw rod, the limit switch, the fixing seat, the internal thread hole and the warning drawstring are arranged, so that automatic adjustment can be performed according to the height of the height lifting frame, the rotary screw rod is driven by the lifting motor to rotate clockwise in the internal thread hole in the fixing seat, the height lifting frame can move upwards, the limit switch is used for limiting protection, warning protection can be performed through the warning drawstring, a height movement warning function can be achieved, and misoperation can be avoided.

Description

Automatic large-tonnage tower crane

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to an automatic large-tonnage tower crane.

Background

The hoisting machine refers to electromechanical equipment for vertically lifting or vertically lifting and horizontally moving heavy objects, and the range of the hoisting machine is defined as a lifter with rated lifting capacity greater than or equal to 0.5 t; the hoisting height is greater than or equal to 2m, and the electric hoist fixed in a load-bearing mode.

At present, the crane is widely applied.

However, the existing crane has the problems that the existing crane cannot be adjusted according to the hoisting height, does not have a safety protection function, has low automation control process degree and cannot carry out counterweight operation according to the large-tonnage hoisting requirement.

Therefore, the utility model of the automatic large-tonnage tower crane is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an automatic large-tonnage tower crane, which is realized by the following technical scheme:

an automatic large-tonnage tower crane comprises a base, a bottom supporting tower frame, an automatic height limiting and adjusting machine structure, a rotating machine, a rotating beam, a hoisting motor, a winding wheel, a hoisting rope, a hoisting hook, a large-tonnage counterweight adjustable rod structure, an anti-falling hoisting protection buffer plate structure and an automatic remote control equipment structure, wherein the bottom supporting tower frame is connected with the middle part of the upper part of the base through a bolt; the bottom support tower is connected with a rotating machine through an automatic height limiting and adjusting machine structure; the upper end of the output shaft of the rotating machine is connected with the middle part of the left side of the lower part of the rotating beam through a bolt; the right part of the rotating beam is connected with a hoisting motor through a bolt; the front end key of the output shaft of the hoisting motor is connected with a winding wheel; the outer surface of the winding wheel is wound with a lifting rope; the lower end of the lifting rope is tied with a lifting hook; the large-tonnage balance weight adjustable rod structure is connected with the rotary beam; the anti-falling hoisting protection buffer plate structure is connected with the hoisting rope; the automatic remote control equipment structure is connected with the automatic height limiting and adjusting machine structure; the automatic height limiting and adjusting machine structure comprises a height lifting frame, a lifting motor, a rotating screw, a limiting switch, a fixed seat, an internal thread hole and a warning pull belt, wherein the lifting motor is connected to four corners of the lower part of the height lifting frame through bolts; the lower end of the output shaft of the lifting motor is connected with the upper end of the rotating screw rod through a coupler; the lower end of the rotating screw is connected with a limit switch through a bolt; the rotary screw is in threaded connection with the inside of an internal thread hole formed in the four corners inside the fixed seat; one end of the warning drawstring is connected with the lower end of the height lifting frame through a screw, and the other end of the warning drawstring is connected with the middle part of the upper part of the fixing seat through a screw.

Preferably, the large-tonnage balance weight adjustable rod structure comprises a balance weight screw rod, an opening baffle ring, a large-tonnage selection balance weight disc, a buffering pressure spring, a selection nut and an adjusting handle, wherein the opening baffle ring is sleeved in an annular groove formed in the outer wall of the upper part of the balance weight screw rod; the lower part of the counterweight screw rod is sleeved with a plurality of large-tonnage selection counterweight discs; the outer wall of the lower part of the counterweight screw rod is sleeved with a buffering pressure spring; the outer wall of the counterweight screw rod is in threaded connection with a selection nut; the left end and the right end of the selection nut are welded with adjusting handles.

Preferably, the anti-falling hoisting protection buffer plate structure comprises a protection pull rope, a hanging ring, a pull ring, a buffer protection plate, a buffer pad and a side protection plate, wherein one end of the protection pull rope is tied inside the hanging ring, and the other end of the protection pull rope is tied inside the pull ring; the pull rings are all connected to the four corners of the upper part of the buffer protection plate through bolts; the middle part of the upper surface of the buffer protection plate is glued with a buffer pad; the left side and the right side of the buffer protection plate are both connected with side protection plates through bolts.

Preferably, the automatic remote control equipment structure comprises a machine box, a controller, a wireless remote communication module, a handheld shell, an antenna, automatic control equipment and a non-slip mat, wherein the controller and the wireless remote communication module are connected to the left side and the right side of the interior of the machine box through screws; the middle part of the upper part of the handheld shell is connected with an antenna through a screw; automatic control equipment is embedded in the handheld shell; the left surface and the right surface of the handheld shell are both connected with anti-slip pads through screws.

Preferably, the fixing seat is bolted to the upper end of the bottom support tower.

Preferably, the upper end of the height lifting frame is connected with the lower end of the rotary machine through a bolt.

Preferably, the buffer compression spring is arranged between the large-tonnage selection counterweight disc and the selection nut.

Preferably, the counterweight screw rod is also longitudinally inserted into a through hole formed in the middle part of the left side in the rotating cross beam.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the height lifting frame, the lifting motor, the rotary screw rod, the limit switch, the fixing base, the internal thread hole and the warning drawstring are arranged, automatic adjustment can be conducted according to the height of the height lifting frame, the rotary screw rod is driven by the lifting motor to rotate clockwise in the internal thread hole in the fixing base, the height lifting frame can move upwards, limit protection is conducted through the limit switch, warning protection can be conducted through the warning drawstring, the height moving warning function can be achieved, and misoperation is avoided.

2. According to the utility model, the arrangement of the balance weight screw, the opening baffle ring, the large-tonnage selection balance weight disc, the buffer pressure spring, the selection nut and the adjustment handle is favorable for large-tonnage lifting operation, the selection nut can be rotated by holding the adjustment handle to be taken down, the large-tonnage selection balance weight discs required by large-tonnage lifting can be connected to the outer wall of the balance weight screw in a threaded manner one by one, after the determination is made, the buffer pressure spring is pushed back again, the selection nut is screwed and fixed in a threaded manner, the large-tonnage lifting operation can be carried out, the buffer effect is ensured through the buffer pressure spring, and when the large-tonnage selection balance weight discs move or shift, the buffer effect can be ensured, and the noise is avoided.

3. According to the utility model, the arrangement of the protection stay cord, the hanging ring, the pull ring, the buffer protection plate, the buffer pad and the side protection plate is favorable for playing a role in anti-falling protection, when the lifting hook is unhooked during lifting, the buffer protection plate can be matched with the buffer pad to slowly connect falling objects, and lateral protection is carried out through the side protection plate, and the traction stability can be ensured through the protection stay cord between the hanging ring and the pull ring, so that the falling danger is avoided.

4. According to the utility model, the machine box, the controller, the wireless remote communication module, the handheld shell, the antenna, the automatic control equipment and the non-slip mat are arranged, so that the automatic control is facilitated, the non-slip mat on the outer wall of the handheld shell can be held by the handheld shell to control the automatic control equipment, information is continuously transmitted to the interior of the wireless remote communication module through the antenna, the controller in the machine box controls each stage of equipment to execute corresponding actions, and the controller can also directly and automatically control each stage of equipment to execute corresponding actions, so that the lifting stability, safety and intelligence are ensured.

5. In the utility model, the arrangement of the base and the bottom support tower is beneficial to ensuring the support stability.

6. According to the utility model, the arrangement of the rotating machine is beneficial to the rotation adjustment of the hoisting position, and the working efficiency is ensured.

7. According to the utility model, the arrangement of the rotating beam is beneficial to ensuring the rotating stability, so that the hoisting stability is ensured.

8. In the utility model, the hoisting motor, the winding wheel, the hoisting rope and the hoisting hook are arranged, so that the operation of hoisting and hanging objects is facilitated.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the automatic height limiting and adjusting machine structure of the utility model.

FIG. 3 is a schematic structural view of the adjustable rod structure of the large-tonnage balance weight of the present invention.

Fig. 4 is a structural schematic diagram of a falling protection hoisting protection buffer plate structure of the utility model.

Fig. 5 is a schematic structural diagram of the structure of the automated remote control device of the present invention.

In the figure:

1. a base; 2. a bottom support tower; 3. the height automatic limit adjuster structure; 31. a height lifting frame; 32. a lifting motor; 33. rotating the screw; 34. a limit switch; 35. a fixed seat; 36. an internally threaded bore; 37. a warning drawstring; 4. a rotating machine; 5. rotating the cross beam; 6. a hoisting motor; 7. a winding wheel; 8. lifting a lifting rope; 9. lifting a lifting hook; 10. a large-tonnage counterweight adjustable rod structure; 101. a counterweight screw rod; 102. an opening baffle ring; 103. selecting a counterweight plate in large tonnage; 104. buffering a pressure spring; 105. selecting a nut; 106. an adjusting handle; 11. a falling-prevention hoisting protection buffer plate structure; 111. a protection pull rope; 112. hanging a ring; 113. a pull ring; 114. a buffer protection plate; 115. a cushion pad; 116. a side guard plate; 12. an automated remote control device architecture; 121. a case; 122. a controller; 123. a wireless remote communication module; 124. a hand-held housing; 125. an antenna; 126. an automated control device; 127. a non-slip mat.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, and as shown in fig. 1 and fig. 2, an automatic large-tonnage tower crane comprises a base 1, a bottom supporting tower 2, a rotating machine 4, a rotating beam 5, a hoisting motor 6, a winding wheel 7, a hoisting rope 8 and a hoisting hook 9, wherein the middle part of the upper part of the base 1 is connected with the bottom supporting tower 2 through a bolt; the bottom supporting tower 2 is connected with a rotating machine 4 through an automatic height limiting and adjusting machine structure 3; the upper end of an output shaft of the rotating machine 4 is connected with the middle part of the left side of the lower part of the rotating beam 5 through a bolt; the right part of the rotating beam 5 is connected with a hoisting motor 6 through a bolt; the front end key of the output shaft of the hoisting motor 6 is connected with a winding wheel 7; the outer surface of the winding wheel 7 is wound with a lifting rope 8; the lower end of the lifting rope 8 is tied with a lifting hook 9, so that the supporting stability can be ensured, and the lifting efficiency can be ensured.

The automatic large-tonnage tower crane further comprises a height automatic limiting and adjusting machine structure 3, a large-tonnage counterweight adjustable rod structure 10, a falling prevention hoisting protection buffer plate structure 11 and an automatic remote control equipment structure 12, wherein the large-tonnage counterweight adjustable rod structure 10 is connected with the rotating beam 5; the anti-falling hoisting protection buffer plate structure 11 is connected with the hoisting rope 8; the automatic remote control equipment structure 12 is connected with the automatic height limiting and adjusting machine structure 3.

The automatic height limiting and adjusting machine structure 3 comprises a height lifting frame 31, a lifting motor 32, a rotary screw 33, a limit switch 34, a fixed seat 35, an internal thread hole 36 and a warning pull belt 37, wherein the lifting motor 32 is connected to four corners of the lower part of the height lifting frame 31 through bolts; the lower end of the output shaft of the lifting motor 32 is connected with the upper end of a rotary screw 33 through a coupler; the lower end of the rotating screw 33 is connected with a limit switch 34 through a bolt; the rotating screw 33 is in threaded connection with the inside of an internal thread hole 36 formed in the four corners inside the fixed seat 35; warning stretching strap 37 one end screwed connection high crane 31 lower extreme, other end screwed connection fixing base 35 upper portion middle part, drive rotatory screw rod 33 clockwise at the 36 internal thread holes internal rotation actions of fixing base 35 inside through elevator motor 32, can make high crane 31 shift up the operation, carry out spacing protection through limit switch 34, can warn the protection through warning stretching strap 37, can play high removal warning function, avoid the maloperation.

In this embodiment, referring to fig. 3, the large-tonnage counterweight adjustable rod structure 10 includes a counterweight screw 101, an open stop ring 102, a large-tonnage selecting counterweight disk 103, a buffering pressure spring 104, a selecting nut 105 and an adjusting handle 106, wherein the open stop ring 102 is sleeved inside an annular groove formed in an outer wall of an upper portion of the counterweight screw 101; the lower part of the counterweight screw rod 101 is sleeved with a plurality of large-tonnage selective counterweight discs 103; the outer wall of the lower part of the counterweight screw rod 101 is sleeved with a buffer compression spring 104; the outer wall of the counterweight screw rod 101 is connected with a selective nut 105 in a threaded manner; the left end and the right end of the selection nut 105 are respectively welded with the adjusting handle 106, the selection nut 105 is rotated by holding the adjusting handle 106, the selection nut 105 can be taken down, the large-tonnage selection counterweight disc 103 required by large-tonnage lifting can be connected to the outer wall of the counterweight screw rod 101 one by one in a threaded manner, after the determination is made, the buffer pressure spring 104 is pushed back again, the selection nut 105 is screwed and fixed in a threaded manner, the large-tonnage lifting operation can be carried out, the buffer effect is ensured through the buffer pressure spring 104, when the large-tonnage selection counterweight disc 103 moves or deviates, the buffer effect can be ensured, and the noise is avoided.

In this embodiment, referring to fig. 4, the falling protection hoisting protection buffer plate structure 11 includes a protection rope 111, a hanging ring 112, a pulling ring 113, a buffer protection plate 114, a buffer pad 115 and a side guard plate 116, wherein one end of the protection rope 111 is tied inside the hanging ring 112, and the other end is tied inside the pulling ring 113; the pull rings 113 are all bolted at the four corners of the upper part of the buffer protection plate 114; a buffer pad 115 is glued at the middle part of the upper surface of the buffer protection plate 114; all bolted connection of the left and right sides of buffering protection board 114 have side guard plate 116, when the unhook appears in the jack-up as lifting hook 9, can make buffering protection board 114 cooperate blotter 115 to softly connect the article of falling to carry out the lateral part protection through side guard plate 116, can guarantee through the protection stay cord 111 between link 112 and pull ring 113 and pull stability, and then avoid the danger of falling.

In this embodiment, referring to fig. 5, the automatic remote control device structure 12 includes a machine box 121, a controller 122, a wireless remote communication module 123, a handheld shell 124, an antenna 125, an automatic control device 126 and a non-slip mat 127, wherein the controller 122 and the wireless remote communication module 123 are connected to the left and right sides of the interior of the machine box 121 by screws; the middle part of the upper part of the handheld shell 124 is connected with an antenna 125 through a screw; an automatic control device 126 is embedded in the handheld shell 124; the left surface and the right surface of the handheld shell 124 are respectively connected with the anti-slip pad 127 through screws, the automatic control equipment 126 can be controlled through the anti-slip pads 127 on the outer wall of the handheld shell 124, information is continuously transmitted to the inside of the wireless remote communication module 123 through the antenna 125, the equipment at all levels is controlled by the controller 122 inside the case 121 to execute corresponding actions, the equipment at all levels can be directly and automatically controlled by the controller 122 to execute corresponding actions, and therefore the lifting stability, the safety and the intelligence are guaranteed.

In this embodiment, specifically, the open baffle ring 102 is disposed on the upper portion of the rotating beam 5.

In this embodiment, specifically, the large-tonnage selective counterweight plate 103 is disposed below the rotating beam 5.

In this embodiment, specifically, the large-tonnage selective counterweight plate 103 is a plurality of lead plates with the same weight, and the buffer compression spring 104 is a cylindrical stainless steel spring.

In this embodiment, specifically, the protection rope 111 adopts four oil silk ropes.

In this embodiment, a stainless steel plate is specifically used as the buffer protection plate 114.

In this embodiment, specifically, the cushion pad 115 adopts a plurality of layers of rubber pads.

In this embodiment, specifically, the hanging ring 112 is tied to the lower part of the lifting rope 8 and is located at the upper end of the lifting hook 9.

In this embodiment, specifically, the automation control device 126 is a smart phone or a tablet computer, and is connected to the wireless remote communication module 123 through the antenna 125 by wireless signals.

In this embodiment, specifically, the wireless remote communication module 123 is electrically connected to the controller 122.

In this embodiment, the anti-slip pad 127 is a concave rubber pad.

In this embodiment, specifically, the handheld shell 124 is independently disposed.

In this embodiment, specifically, the case 121 is bolted to the middle of the lower side of the interior of the height crane 31.

In this embodiment, specifically, the antenna 125 and the automation control device 126 are electrically connected.

In this embodiment, specifically, the warning drawstring 37 is a retractable fluorescent band with yellow and white spaces.

In this embodiment, specifically, the rotating machine 4, the hoisting motor 6, the lifting motor 32 and the limit switch 34 are all connected to the controller 122 through wires.

In this embodiment, specifically, the rotating machine 4 adopts a YE2 type motor, the hoisting motor 6 adopts a YE3 type worm gear speed reduction motor, and the hoisting motor 32 adopts a YE3 type worm gear speed reduction motor; the limit switch 34 is an SV-16 type travel switch, and the controller 122 is an FX2N-48 type PLC.

Principle of operation

In the utility model, the lifting motor 32 drives the rotary screw 33 to rotate clockwise in the internal thread hole 36 in the fixed seat 35, so that the height lifting frame 31 can move upwards, the limit switch 34 is used for limit protection, the warning pull belt 37 is used for warning protection, the height movement warning function can be achieved, misoperation is avoided, the selection nut 105 is rotated by the hand-held adjusting handle 106, the selection nut 105 can be taken down, the large-tonnage selection counterweight discs 103 required by large-tonnage lifting can be connected on the outer wall of the counterweight screw 101 one by one in a threaded manner, after the determination is finished, the buffer pressure spring 104 is pushed back again, the selection nut 105 is screwed and fixed in a threaded manner, the large-tonnage lifting operation can be carried out, the buffer effect is ensured by the buffer pressure spring 104, when the large-tonnage selection counterweight discs 103 move or shift, the buffer effect can be ensured, noise is avoided, when the lifting hook 9 is unhooked during lifting, can make the buffering protection shield 114 cooperate the blotter 115 to connect the article that fall slowly, and carry out the lateral part protection through side guard plate 116, can guarantee traction stability through protection stay cord 111 between link 112 and pull ring 113, and then avoid the danger of falling, slipmat 127 through handheld shell 124 outer wall, can control automation control equipment 126, and constantly pass through antenna 125 to the inside information of carrying of wireless telecommunication module 123, pass through the inside equipment at all levels of controller 122 control of machine box 121 again and carry out corresponding action, also can carry out corresponding action through the equipment at all levels of the direct automatic control of controller 122, and then guarantee jack-up stability, safety, intelligence.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims (8)

1. An automatic large-tonnage tower crane is characterized by comprising a base (1), a bottom supporting tower frame (2), a height automatic limiting regulator structure (3), a rotating machine (4), a rotating beam (5), a hoisting motor (6), a winding wheel (7), a hoisting rope (8), a hoisting hook (9), a large-tonnage counterweight adjustable rod structure (10), an anti-falling hoisting protection buffer plate structure (11) and an automatic remote control equipment structure (12), wherein the bottom supporting tower frame (2) is connected with the middle part of the upper part of the base (1) through a bolt; the bottom supporting tower frame (2) is connected with a rotating machine (4) through an automatic height limiting and adjusting machine structure (3); the upper end of an output shaft of the rotating machine (4) is connected with the middle part of the left side of the lower part of the rotating beam (5) through a bolt; the right part of the rotating beam (5) is connected with a hoisting motor (6) through a bolt; the front end key of the output shaft of the hoisting motor (6) is connected with a winding wheel (7); a lifting rope (8) is wound on the outer surface of the winding wheel (7); the lower end of the lifting rope (8) is tied with a lifting hook (9); the large-tonnage balance weight adjustable rod structure (10) is connected with the rotary beam (5); the anti-falling hoisting protection buffer plate structure (11) is connected with the hoisting rope (8); the automatic remote control equipment structure (12) is connected with the automatic height limiting and adjusting machine structure (3); the automatic height limiting and adjusting machine structure (3) comprises a height lifting frame (31), a lifting motor (32), a rotary screw (33), a limiting switch (34), a fixed seat (35), an internal threaded hole (36) and a warning pull belt (37), wherein the lifting motor (32) is connected to four corners of the lower part of the height lifting frame (31) through bolts; the lower end of the output shaft of the lifting motor (32) is connected with the upper end of a rotary screw (33) through a coupler; the lower end of the rotating screw (33) is connected with a limit switch (34) through a bolt; the rotary screw (33) is in threaded connection with the inside of an internal threaded hole (36) formed in the four corners inside the fixed seat (35); one end of the warning drawstring (37) is connected with the lower end of the height lifting frame (31) through a screw, and the other end of the warning drawstring is connected with the middle part of the upper part of the fixed seat (35) through a screw.

2. The automatic large-tonnage tower crane according to claim 1, wherein the large-tonnage counterweight adjustable rod structure (10) comprises a counterweight screw (101), an open retainer ring (102), a large-tonnage selection counterweight disc (103), a buffer compression spring (104), a selection nut (105) and an adjusting handle (106), wherein the open retainer ring (102) is sleeved inside an annular groove formed in the outer wall of the upper portion of the counterweight screw (101); the lower part of the counterweight screw rod (101) is sleeved with a plurality of large-tonnage selecting counterweight discs (103); the outer wall of the lower part of the counterweight screw rod (101) is sleeved with a buffer compression spring (104); the outer wall of the counterweight screw rod (101) is in threaded connection with a selection nut (105); adjusting handles (106) are welded at the left end and the right end of the selecting nut (105).

3. The automated large-tonnage tower crane according to claim 1, wherein the fall-protection crane protection buffer plate structure (11) comprises a protection rope (111), a hanging ring (112), a pull ring (113), a buffer protection plate (114), a buffer pad (115) and a side guard plate (116), wherein one end of the protection rope (111) is tied inside the hanging ring (112), and the other end is tied inside the pull ring (113); the pull rings (113) are all connected to the four corners of the upper part of the buffer protection plate (114) through bolts; a buffer pad (115) is glued at the middle part of the upper surface of the buffer protection plate (114); the left side and the right side of the buffer protection plate (114) are both connected with side protection plates (116) through bolts.

4. The automatic large-tonnage tower crane according to claim 1, wherein the automatic remote control equipment structure (12) comprises a machine box (121), a controller (122), a wireless remote communication module (123), a handheld shell (124), an antenna (125), automatic control equipment (126) and a non-slip mat (127), wherein the controller (122) and the wireless remote communication module (123) are in screwed connection with the left side and the right side of the interior of the machine box (121); the middle part of the upper part of the handheld shell (124) is connected with an antenna (125) through a screw; an automatic control device (126) is embedded in the handheld shell (124); the left surface and the right surface of the handheld shell (124) are both connected with anti-skid pads (127) through screws.

5. An automated large tonnage tower crane according to claim 1, characterized in that the fixed base (35) is bolted to the upper end of the bottom support tower (2).

6. The automated large-tonnage tower crane according to claim 1, wherein the upper end of the elevation crane (31) is bolted to the lower end of the rotating machine (4).

7. An automated large-tonnage tower crane according to claim 2, characterized in that said buffer compression spring (104) is arranged between the large-tonnage selection counterweight plate (103) and the selection nut (105).

8. The automatic large-tonnage tower crane according to claim 2, wherein the counterweight screw (101) is also inserted longitudinally into a through hole provided in the middle part of the left side inside the rotating beam (5).

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