CN217676351U

CN217676351U - Tower crane capable of being quickly fixed and preventing falling

Info

Publication number: CN217676351U
Application number: CN202222072638.9U
Authority: CN
Inventors: 贺艳艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-10-28
Anticipated expiration: 2032-08-08

Abstract

The utility model relates to a tower crane technical field, specifically speaking relates to a tower crane that can fix anti-drop fast, including the tower crane body, be equipped with the lifting rope on the jib loading boom of tower crane body upper end, the lifting rope lower extreme is connected with fixed subassembly, and fixed subassembly includes the bearing plate, and first cylinder is all installed to the bearing plate both sides, and the piston end of two first cylinders all is provided with the connecting rod, and the lower extreme of a connecting rod is connected with first anchor clamps. The utility model discloses, through the length of two first cylinders area first anchor clamps and second anchor clamps according to the water pipe outwards extend, recycle first anchor clamps and carry out the centre gripping with the cylindrical water pipe's of second anchor clamps water conservancy construction usefulness both ends to make the longer water pipe of length also can keep the horizontality at the in-process of upwards hoisting, removed the step of binding the water pipe both ends with the rope simultaneously from, can carry out quick fixed to the water pipe, time saving and labor saving prevents that the water pipe from dropping when hoisting.

Description

Tower crane capable of being quickly fixed and preventing falling

Technical Field

The utility model relates to a tower crane technical field, specifically speaking relates to a tower crane that can fix anti-drop fast.

Background

Hydraulic engineering is a general term for various engineering constructions built for controlling, utilizing and protecting water resources and environments on the earth surface and underground.

And can use the tower crane to transport the water pipe of construction usefulness often in hydraulic engineering construction's in-process, because the water pipe is mostly the cylinder shape, the surface is smooth to be difficult for fixing, and the mechanism of lifting by crane of tower crane is mostly the couple, when using the couple to lift by crane the water pipe, need bind the rope for the water pipe, catch on the rope with the couple again and promote, this kind lifts by crane the mode operation and takes time and stability is relatively poor, make the water pipe drop easily, cause the casualties, and if the water pipe is longer, and the area that the couple was caught on is limited, can not make the both ends of water pipe keep balance, thereby the water pipe drops more easily, in view of this, need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tower crane that can fix anti-drop fast to solve the problem of proposing among the above-mentioned background art.

In order to realize the above object, the utility model provides a tower crane that can fix anti falling fast, including the tower crane body, be equipped with the lifting rope on the jib loading boom of tower crane body upper end, the lifting rope lower extreme is connected with fixed subassembly, fixed subassembly includes the bearing plate, first cylinder, two are all installed to the bearing plate both sides the piston end of first cylinder all is provided with the connecting rod, one the lower extreme of connecting rod is connected with first anchor clamps, another the lower extreme of connecting rod is connected with the second anchor clamps, first anchor clamps with the structure of second anchor clamps is unanimous.

As a further improvement of this technical scheme, first anchor clamps include the regulating plate, the second cylinder is installed to the one end of regulating plate upside, logical groove is seted up to the other end of regulating plate upside, it sets up first connecting plate to slide in logical groove, the upside of first connecting plate is passed logical groove with the piston end of second cylinder links to each other, the lower extreme of first connecting plate is connected with first grip block, the one end of first connecting plate lateral wall and the one end fixed connection of first rack, the other end of regulating plate downside is equipped with the second connecting plate, the other end of first rack with the opening sliding connection that second connecting plate one side was seted up, the one end fixed connection of second connecting plate opposite side and second rack, the other end of second rack with the opening sliding connection that first connecting plate was seted up, second connecting plate downside is equipped with the second grip block, the regulating plate downside is equipped with the mounting panel, the mounting panel downside rotates and is equipped with the gear, the gear is located between first rack with the second rack, and with first rack meshes.

As a further improvement of the technical scheme, grooves are formed in two sides of the mounting plate, and the first rack and the second rack are connected with the two grooves in a sliding mode respectively.

As a further improvement of the technical scheme, a plug board is arranged on the lower side of the first clamping plate, a slot is formed in the lower side of the second clamping plate, and the plug board is in plug-in fit with the slot.

As a further improvement of the technical scheme, a plurality of anti-skid protrusions are arranged on the inner sides of the first clamping plate and the second clamping plate.

As a further improvement of the technical scheme, a sliding groove is formed in the lower surface of the adjusting plate and is in sliding connection with the sliding block on the upper side of the second connecting plate.

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

in this tower crane that can fix fast and prevent dropping, take first anchor clamps and second anchor clamps to outwards extend according to the length of water pipe through two first cylinders, recycle first anchor clamps and carry out the centre gripping with the both ends of the cylindrical water pipe of water conservancy construction usefulness with the second anchor clamps, thereby make the longer water pipe of length also can keep the horizontality at the in-process that upwards hoists, the step of binding the water pipe both ends with the rope has been removed from simultaneously, can fix fast the water pipe, time saving and labor saving, prevent simultaneously that the water pipe from dropping when hoisting.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a partial view of the overall structure of an embodiment of the present invention;

fig. 3 is a schematic structural view of a first clamp according to an embodiment of the present invention;

fig. 4 is a first clamp structure disassembly drawing of the embodiment of the present invention.

The various reference numbers in the figures mean:

1. a tower crane body; 2. a lifting rope; 3. a fixing component; 31. a bearing plate; 32. a first cylinder; 33. a connecting rod; 34. a first clamp; 341. an adjusting plate; 342. a second cylinder; 343. a through groove; 344. mounting a plate; 345. a gear; 346. a first rack; 347. a second rack; 348. a first connecting plate; 3481. a first clamping plate; 3482. inserting plates; 349. a second connecting plate; 3491. a second clamping plate; 3492. a slot; 350. anti-skid projections; 35. and a second clamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

An embodiment, please refer to fig. 1-4, and the embodiment provides a tower crane capable of being quickly fixed and preventing a falling off, which includes a tower crane body 1, a lifting rope 2 is arranged on a lifting arm at the upper end of the tower crane body 1, the lower end of the lifting rope 2 is connected with a fixing component 3, the fixing component 3 includes a bearing plate 31, first cylinders 32 are respectively installed at two sides of the bearing plate 31, connecting rods 33 are respectively arranged at piston ends of the two first cylinders 32, the lower end of one connecting rod 33 is connected with a first clamp 34, the lower end of the other connecting rod 33 is connected with a second clamp 35, and the first clamp 34 and the second clamp 35 have the same structure.

In this embodiment, according to the length of the water pipe, the two first cylinders 32 are used for driving the first clamp 34 and the second clamp 35 to extend to the positions close to the two ends of the water pipe, and the first clamp 34 and the second clamp 35 are used for clamping the water pipe, so that the water pipe can be prevented from falling off when being lifted.

In order to enable the first clamp 34 and the second clamp 35 to rapidly clamp the water pipe and improve the lifting efficiency, the first clamp 34 comprises an adjusting plate 341, a second cylinder 342 is installed at one end of the upper side of the adjusting plate 341, a through groove 343 is formed at the other end of the upper side of the adjusting plate 341, a first connecting plate 348 is slidably arranged in the through groove 343, the upper side of the first connecting plate 348 passes through the through groove 343 and is connected with the piston end of the second cylinder 342, a first clamping plate 3481 is connected with the lower end of the first connecting plate 348, one end of the side wall of the first connecting plate 348 is fixedly connected with one end of a first rack 346, a second connecting plate 349 is arranged at the other end of the lower side of the adjusting plate 341, the other end of the first rack 346 is slidably connected with an opening formed at one side of the second connecting plate 349, the other side of the second connecting plate 349 is fixedly connected with one end of a second rack 347, the other end of the second rack 347 is slidably connected with an opening formed at the first connecting plate 348, a second clamping plate 3491 is arranged at the lower side of the second connecting plate 349, the adjusting plate 341 is provided with a mounting plate 344 at a lower side thereof, the mounting plate 344 is provided with a gear 345 at a lower side thereof, the gear 345 is located between the first rack 346 and the second rack 347 and is engaged with the first rack 346 and the second rack 347, when the water pipe is located between the first clamping plate 3481 and the second clamping plate 3491, the second cylinder 342 drives the first connecting plate 348 to contract, so that the first connecting plate 348 slides in the through groove 343, the first rack 346 at the lower side of the first connecting plate 348 slides in the opening of the second connecting plate 349, at this time, the first rack 346 is engaged with the gear 345, the second rack 347 moves in a direction opposite to the movement of the first rack 346 and slides in the opening of the first connecting plate 348, so that the first clamping plate 3481 and the second clamping plate 3491 approach each other to clamp the water pipe, wherein the first clamping plate 3481 and the second clamping plate 3491 are in an arc structure, and the shape of the water pipe is fitted, so that the clamping stability is further improved.

It should be noted that, in order to make the second connecting plate 349 move more stably, a sliding groove is formed on the lower surface of the adjusting plate 341, the sliding groove is slidably connected to the slider on the upper side of the second connecting plate 349, and the second connecting plate 349 can slide in the sliding groove when moving by the sliding connection between the sliding groove and the slider, so as to increase the stability of the second connecting plate 349.

When the first rack 346 and the second rack 347 move, in order to enhance the stability of the first rack 346 and the second rack 347, grooves are formed in both sides of the mounting plate 344, the first rack 346 and the second rack 347 are respectively in sliding connection with the two grooves, and the stability of the first rack 346 and the stability of the second rack 347 are improved by the sliding connection of the first rack 346 and the second rack 347 with the two grooves.

When the first clamping plate 3481 and the second clamping plate 3491 better conform to the size of the water pipe, in order to further enhance the anti-falling capability of the water pipe, an insert plate 3482 is disposed under the first clamping plate 3481, an insert groove 3492 is disposed under the second clamping plate 3491, the insert plate 3482 is inserted into the insert groove 3492, and when the first clamping plate 3481 and the second clamping plate 3491 are attached, the insert plate 3482 is inserted into the insert groove 3492, so that the first clamping plate 3481 and the second clamping plate 3491 form a complete ring shape to prevent the water pipe from falling.

Considering that the surface of the water pipe is smooth, in order to avoid the sliding of the water pipe during clamping, a plurality of anti-skidding protrusions 350 are arranged on the inner sides of the first clamping plate 3481 and the second clamping plate 3491, and the anti-skidding protrusions 350 are used for increasing the friction force with the water pipe to prevent the water pipe from sliding off.

When the tower crane capable of being quickly fixed and preventing falling is used specifically, according to the length of a water pipe, the first clamp 34 and the second clamp 35 are driven by the two first cylinders 32 to extend to the positions close to the two ends of the water pipe, the water pipe is clamped by the first clamp 34 and the second clamp 35, and then the water pipe is lifted by the lifting rope 2, so that the water pipe can be prevented from falling off during lifting;

the specific clamping steps are as follows: when the water pipe is located between the first holding plate 3481 and the second holding plate 3491, the first connecting plate 348 is retracted by the second cylinder 342, so that the first connecting plate 348 slides in the through groove 343, and the first rack 346 on the lower side of the first connecting plate 348 slides in the opening of the second connecting plate 349, and at this time, the first rack 346 is engaged with the gear 345, so that the second rack 347 moves in the direction opposite to the movement of the first rack 346 and slides in the opening of the first connecting plate 348, so that the first holding plate 3481 and the second holding plate 3491 approach each other to hold the water pipe.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tower crane that can fix anti falling fast, includes tower crane body (1), its characterized in that: be equipped with lifting rope (2) on the jib loading boom of tower crane body (1) upper end, lifting rope (2) lower extreme is connected with fixed subassembly (3), fixed subassembly (3) are including bearing plate (31), first cylinder (32), two are all installed to bearing plate (31) both sides the piston end of first cylinder (32) all is provided with connecting rod (33), one the lower extreme of connecting rod (33) is connected with first anchor clamps (34), another the lower extreme of connecting rod (33) is connected with second anchor clamps (35), first anchor clamps (34) with the structure of second anchor clamps (35) is unanimous.

2. The tower crane capable of being rapidly fixed and prevented from falling according to claim 1, is characterized in that: the first clamp (34) comprises an adjusting plate (341), a second air cylinder (342) is installed at one end of the upper side of the adjusting plate (341), a through groove (343) is formed in the other end of the upper side of the adjusting plate (341), a first connecting plate (348) is arranged in the through groove (343) in a sliding manner, the upper side of the first connecting plate (348) penetrates through the through groove (343) to be connected with a piston end of the second air cylinder (342), a first clamping plate (3481) is connected to the lower end of the first connecting plate (348), one end of the side wall of the first connecting plate (348) is fixedly connected with one end of a first rack (346), a second connecting plate (349) is arranged at the other end of the lower side of the adjusting plate (341), the other end of the first rack (346) is slidably connected with an opening formed in one side of the second connecting plate (349), the other end of the second connecting plate (349) is fixedly connected with one end of a second rack (347), the other end of the second rack (347) is slidably connected with an opening formed in the first connecting plate (346), a second clamping plate (349) is arranged at the lower side of the second clamping plate (341), a gear mounting plate (344) is arranged between the lower side of the adjusting plate (344), and a gear mounting plate (345) and a gear (344) is arranged between the first gear mounting plate (344), and is engaged with said first rack (346) and said second rack (347).

3. The tower crane capable of being rapidly fixed and preventing falling according to claim 2, characterized in that: grooves are formed in two sides of the mounting plate (344), and the first rack (346) and the second rack (347) are connected with the two grooves in a sliding mode respectively.

4. The tower crane capable of being rapidly fixed and prevented from falling according to claim 3, is characterized in that: an inserting plate (3482) is arranged on the lower side of the first clamping plate (3481), a slot (3492) is formed in the lower side of the second clamping plate (3491), and the inserting plate (3482) is in inserting fit with the slot (3492).

5. The tower crane capable of being rapidly fixed and prevented from falling according to claim 4, is characterized in that: the inner sides of the first clamping plate (3481) and the second clamping plate (3491) are provided with a plurality of anti-skid protrusions (350).

6. The tower crane capable of being rapidly fixed and preventing falling according to claim 5, is characterized in that: the lower surface of the adjusting plate (341) is provided with a sliding groove, and the sliding groove is in sliding connection with a sliding block on the upper side of the second connecting plate (349).