CN220245392U - Tower crane stop gear - Google Patents

Abstract

The utility model relates to the technical field of tower cranes and discloses a limiting mechanism of a tower crane, which comprises a main body, wherein the top of the main body is arranged on the limiting mechanism, the top of the main body is provided with an auxiliary mechanism, the limiting mechanism comprises a sliding component and a limiting component, the sliding component is arranged on the top of the main body, the limiting component is arranged on the top of the main body, the auxiliary mechanism comprises a protection component, the protection component is arranged on the top of the main body, the sliding component comprises a main telescopic column, the front end of the top of the main body is provided with a balancing weight, the top of the main body is provided with a limiting chamber, the main telescopic column is arranged on the front face of the limiting chamber, the limiting component comprises a limiting chamber, the limiting chamber is fixedly connected to the top of the main body, the protection component comprises a guide pipe, the guide pipe is arranged at the bottom of the limiting block, and the device converts impact force into potential energy through a spring, so that the stability of the tower crane is ensured, and the safety and the stability of the tower crane during rotation are ensured.

Description

Tower crane stop gear

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a limiting mechanism of a tower crane.

Background

Tower crane is called tower crane for short, also called tower crane, originated from western europe. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in house building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism comprises four parts of lifting, amplitude changing, rotation and walking. The electrical system comprises a motor, a controller, a power distribution cabinet, a connecting line, a signal and lighting device and the like.

The utility model discloses a rotation limiting device for a tower crane, which is disclosed in a patent network (the authorized bulletin number is CN 207957589U), and comprises: limit stop, guide part, spring, baffle and mount, wherein, the mount is fixed on the tower body support body of the upper and lower portion of tower crane rotation position, is equipped with the guiding hole on the mount, limit stop is connected to guide part one end, and the guide part other end passes on the mount behind the guiding hole with the baffle is connected, is located outside of guide part limit stop and mount cover establish the spring. The rotation limiting device for the tower crane is fixedly arranged on the tower body frame body at the upper part and the lower part of the rotating part of the existing tower crane, so that the crane boom of the tower crane can be limited at a set position when the crane is not in operation and is not electrified, and safety guarantee is brought when the crane is stopped. "

In light of the foregoing, the applicant believes that the following drawbacks exist:

this a rotatory stop device for tower crane carries out a spacing through the spring to the tower crane is rotatory, but the device does not have the shell of protection, and the effect of buffering simultaneously is not strong enough, thereby can damage when meetting powerful impact force and endanger the stability of tower crane.

Disclosure of Invention

The utility model aims to provide a limiting mechanism of a tower crane, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tower crane stop gear, includes the main part, the main part top sets up in stop gear, the main part top is provided with assist mechanism, stop gear includes slip subassembly and spacing subassembly, slip subassembly sets up in the main part top, spacing subassembly sets up in the main part top, assist mechanism includes protection subassembly, protection subassembly sets up in the main part top.

Preferably, the sliding component comprises a main telescopic column, main part top front end is provided with the balancing weight, the main part top is provided with spacing room, main telescopic column sets up in spacing room openly, main telescopic column openly is provided with the stopper, main telescopic column surface is provided with the guard ring, the equal fixedly connected with installation piece in stopper left and right sides, the installation piece surface is provided with the bolt, the installation piece back is provided with the connecting rod, installation piece and connecting rod pass through bolted connection together, drive the subassembly through main telescopic column and remove, and whole linkage is strong, and the setting of guard ring can prevent that telescopic column from long-time operation from producing wearing and tearing, has improved the life-span of device.

Preferably, the connecting rod back fixedly connected with fixed block, the fixed block back is provided with slider one, main part top fixedly connected with limiting chamber, spout one has been seted up openly to the limiting chamber, slider one sets up in spout one inside, slider one left side is provided with slider two, be provided with telescopic column one between slider one and the slider two, be provided with the spring between slider one and the slider two, slider one openly top and bottom fixedly connected with limiting plate one and limiting plate two, slider one right side is provided with buffer spring two, carries out sliding movement through slider, spring and telescopic column one, and the whole removal is swift convenient, can accelerate the efficiency of work, and limiting plate one and limiting plate two set up in order to prevent slider one and slider two derailment in the coasting and cause the damage.

Preferably, spacing subassembly includes spacing room, spacing room fixed connection is in the main part top, spacing room openly is provided with main flexible post, main flexible post back is provided with the mount, mount top bottom and left and right sides all are provided with the slider, the mount back is provided with hydraulic telescoping post, hydraulic telescoping post surface is provided with main buffer spring, spout two has all been seted up to spacing room inside left and right sides, hydraulic telescoping post back is provided with the fixed plate, and the buffering protection effect of device can be strengthened in the setting of a plurality of main buffer springs and hydraulic telescoping post, guarantees that the device can not damage because of receiving the striking, and overall efficiency is high and high-efficient practicality.

Preferably, the protection subassembly includes the stand pipe, and the main part top is provided with spacing room, spacing room openly is provided with main flexible post, main flexible post openly is provided with the stopper, the stand pipe sets up in the stopper bottom, the stand pipe lag has been cup jointed on the stopper surface, the other one end of stand pipe is connected in fixed plate front bottom, and the setting of stand pipe can guide the device work, prevents that its skew from leading to rotatory blocking.

Preferably, the third sliding chute is formed in the top and the bottom of the limiting chamber, the first rubber connecting block is arranged at the rear end of the third sliding chute, the second telescopic column is arranged on the back of the first rubber connecting block, the second rubber connecting block is arranged on the back of the second telescopic column, the first buffer spring is arranged on the surface of the second telescopic column, and the first buffer spring and the second telescopic column are arranged inside and mainly used for protecting the moving safety of the internal fixing frame and can further play a role in buffering.

Compared with the prior art, the utility model provides a limiting mechanism of a tower crane, which has the following beneficial effects:

1. this tower crane stop gear is provided with main flexible post and guard ring, drives the subassembly through main flexible post and removes, and whole linkage nature is strong, and the setting of guard ring can prevent that flexible post from running for a long time and producing wearing and tearing, has improved the life-span of device, carries out sliding movement through slider, spring and flexible post one, and the whole removal is swift convenient, can accelerate the efficiency of work, and limiting plate one and limiting plate two set up in order to prevent slider one and slider two derail in the coasting and cause the damage.

2. This tower crane stop gear is provided with a plurality of main buffer spring and hydraulic telescoping column, and the buffering protection effect of device can be strengthened in the setting of a plurality of main buffer spring and hydraulic telescoping column, guarantees that the device can not damage because of receiving the striking, and whole efficient and high-efficient practicality, the buffer spring one and the telescoping column two of inside setting are mainly in order to protect the safety that inside mount removed, can further play the effect of buffering.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is a schematic view of a structural slide assembly according to the present utility model;

FIG. 3 is a schematic view of the inside of the structure of the present utility model;

FIG. 4 is a schematic top view of the structure of the present utility model;

FIG. 5 is a schematic view of the interior bottom of the structure of the present utility model;

FIG. 6 is a schematic view of a structural cushioning spring of the present utility model.

In the figure: 1. a main body; 2. balancing weight; 3. a limiting mechanism; 31. a sliding assembly; 311. a main telescopic column; 312. a limiting block; 313. a protective ring; 314. a mounting block; 315. a bolt; 316. a connecting rod; 317. a fixed block; 318. a first sliding block; 3181. a second slide block; 3182. a telescopic column I; 3183. a spring; 319. a first chute; 3191. a first limiting plate; 3192. a limiting plate II; 32. a limit component; 321. a limiting chamber; 322. a fixing frame; 323. a slide block; 324. a hydraulic telescopic column; 325. a main buffer spring; 326. a fixing plate; 327. a second chute; 4. an auxiliary mechanism; 41. a protective assembly; 411. a guide tube; 412. a guide tube protecting sleeve; 413. a chute III; 414. a first rubber connecting block; 415. a telescopic column II; 416. a buffer spring I; 417. a second rubber connecting block; 418. and a buffer spring II.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model provides the following technical scheme:

example 1

Referring to fig. 1-4, a limiting mechanism of a tower crane includes a main body 1, wherein the top of the main body 1 is arranged on a limiting mechanism 3, an auxiliary mechanism 4 is arranged on the top of the main body 1, the limiting mechanism 3 includes a sliding component 31 and a limiting component 32, the sliding component 31 is arranged on the top of the main body 1, the limiting component 32 is arranged on the top of the main body 1, the auxiliary mechanism 4 includes a protection component 41, and the protection component 41 is arranged on the top of the main body 1;

the sliding assembly 31 comprises a main telescopic column 311, a balancing weight 2 is arranged at the front end of the top of the main body 1, a limiting chamber 321 is arranged at the top of the main body 1, the main telescopic column 311 is arranged on the front surface of the limiting chamber 321, a limiting block 312 is arranged on the front surface of the main telescopic column 311, a protecting ring 313 is arranged on the surface of the main telescopic column 311, mounting blocks 314 are fixedly connected to the left side and the right side of the limiting block 312, bolts 315 are arranged on the surface of the mounting blocks 314, connecting rods 316 are arranged on the back surface of the mounting blocks 314, the mounting blocks 314 and the connecting rods 316 are connected together through the bolts 315, the assembly is driven to move through the main telescopic column 311, the whole linkage is strong, the protecting ring 313 can prevent the telescopic column from being worn during long-time running, and the service life of the device is prolonged;

the back of the connecting rod 316 is fixedly connected with a fixed block 317, the back of the fixed block 317 is provided with a first slide block 318, the top of the main body 1 is fixedly connected with a limiting chamber 321, the front of the limiting chamber 321 is provided with a first slide groove 319, the first slide block 318 is arranged in the first slide groove 319, the left side of the first slide block 318 is provided with a second slide block 3181, a telescopic column 3182 is arranged between the first slide block 318 and the second slide block 3181, a spring 3183 is arranged between the first slide block 318 and the second slide block 3181, the top and the bottom of the front of the first slide groove 319 are fixedly connected with a limiting plate 3191 and a limiting plate 3192, the right side of the first slide block 318 is provided with a buffer spring 418, the sliding movement is carried out through the first slide block, the spring 3183 and the telescopic column 3182, the whole movement is quick and convenient, the working efficiency can be accelerated, and the arrangement of the limiting plate 3191 and the limiting plate 3192 is used for preventing the first slide block 318 and the second slide block 3181 from being damaged due to derailment in sliding;

spacing subassembly 32 includes spacing room 321, spacing room 321 fixed connection is in main part 1 top, spacing room 321 openly is provided with main telescopic column 311, main telescopic column 311 back is provided with mount 322, mount 322 top bottom and left and right sides all are provided with slider 323, the mount 322 back is provided with hydraulic telescopic column 324, hydraulic telescopic column 324 surface is provided with main buffer spring 325, spout two 327 have all been seted up to spacing room 321 inside left and right sides, hydraulic telescopic column 324 back is provided with fixed plate 326, the buffering protection effect of device can be strengthened in the setting of a plurality of main buffer springs 325 and hydraulic telescopic column 324, guarantee that the device can not damage because of receiving the striking, and is high in overall efficiency and high-efficient practicality.

Example two

Referring to fig. 4-6, and based on the first embodiment, the protection component 41 further includes a guide tube 411, a limiting chamber 321 is disposed at the top of the main body 1, a main telescopic column 311 is disposed at the front of the limiting chamber 321, a limiting block 312 is disposed at the front of the main telescopic column 311, the guide tube 411 is disposed at the bottom of the limiting block 312, a guide tube protecting sleeve 412 is sleeved on the surface of the limiting block 312, another end of the guide tube 411 is connected to the bottom of the front of the fixing plate 326, the guide tube 411 is configured to guide the device to work, prevent rotation blocking caused by deviation of the guide tube, a third chute 413 is disposed at the top and bottom of the limiting chamber 321, a first rubber connecting block 414 is disposed at the rear end inside the third chute 413, a second telescopic column 415 is disposed at the back of the first rubber connecting block 414, a first buffer spring 416 is disposed at the back of the second telescopic column 415, and the first buffer spring 416 and the second telescopic column 415 are disposed mainly for protecting the safety of the movement of the internal fixing frame 322, so that the protection function of buffering can be further achieved.

In the actual operation process, when the device is used, the device is installed, when the limiting block 312 is impacted, the main telescopic column 311 is driven to move, meanwhile, the first sliding block 318 and the second sliding block 3181 are driven to slide in the first sliding groove 319, the first sliding block 3182 and the second sliding block 3183 are matched to slide back and forth, meanwhile, the first limiting plate 3191 and the second limiting plate 3192 can prevent the first sliding block 318 and the second sliding block 3181 from falling, the main telescopic column 311 starts to stretch and retract along with the rotation of the tower crane, the fixing frame 322 is driven to move in the limiting chamber 321, the sliding block 323 on the surface of the fixing frame 322 is driven to move in the second sliding groove 327 and the third sliding groove 413, the hydraulic telescopic column 324 and the main buffer spring 325 are driven to move, the energy received by the limiting block 312 is converted into potential energy to be released, and the first telescopic column 415 and the second buffer spring 416 and the second buffer spring 418 arranged in the limiting chamber 321 can further buffer the potential energy, so that the whole device is kept stable and reliable.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims (6)

1. The utility model provides a tower crane stop gear, includes main part (1), its characterized in that: the top of the main body (1) is arranged on the limiting mechanism (3), and the top of the main body (1) is provided with an auxiliary mechanism (4);

the limiting mechanism (3) comprises a sliding component (31) and a limiting component (32), the sliding component (31) is arranged at the top of the main body (1), and the limiting component (32) is arranged at the top of the main body (1);

the auxiliary mechanism (4) comprises a protection component (41), and the protection component (41) is arranged at the top of the main body (1).

2. The tower crane limiting mechanism of claim 1 wherein: the sliding assembly (31) comprises a main telescopic column (311), a balancing weight (2) is arranged at the front end of the top of the main body (1), a limiting chamber (321) is arranged at the top of the main body (1), the main telescopic column (311) is arranged on the front face of the limiting chamber (321), a limiting block (312) is arranged on the front face of the main telescopic column (311), a protective ring (313) is arranged on the surface of the main telescopic column (311), mounting blocks (314) are fixedly connected to the left side and the right side of the limiting block (312), bolts (315) are arranged on the surface of each mounting block (314), connecting rods (316) are arranged on the back face of each mounting block (314), and the mounting blocks (314) and the connecting rods (316) are connected together through the bolts (315).

3. The tower crane limiting mechanism of claim 2 wherein: connecting rod (316) back fixedly connected with fixed block (317), the fixed block (317) back is provided with slider one (318), main part (1) top fixedly connected with limiting chamber (321), spout one (319) have been seted up openly to limiting chamber (321), slider one (318) set up in spout one (319) inside, slider one (318) left side is provided with slider two (3181), be provided with flexible post one (3182) between slider one (318) and slider two (3181), be provided with spring (3183) between slider one (318) and slider two (3181), positive top and bottom fixedly connected with limiting plate one (3191) and limiting plate two (3192) of spout one (319), slider one (318) right side is provided with buffer spring two (418).

4. The tower crane limiting mechanism of claim 1 wherein: spacing subassembly (32) are including spacing room (321), spacing room (321) fixed connection is in main part (1) top, spacing room (321) openly is provided with main flexible post (311), main flexible post (311) back is provided with mount (322), mount (322) top bottom and left and right sides all are provided with slider (323), mount (322) back is provided with hydraulic telescoping post (324), hydraulic telescoping post (324) surface is provided with main buffer spring (325), spout two (327) have all been seted up to spacing room (321) inside left and right sides, hydraulic telescoping post (324) back is provided with fixed plate (326).

5. The tower crane limiting mechanism of claim 1 wherein: the protection component (41) comprises a guide pipe (411), a limiting chamber (321) is arranged at the top of the main body (1), a main telescopic column (311) is arranged on the front side of the limiting chamber (321), a limiting block (312) is arranged on the front side of the main telescopic column (311), the guide pipe (411) is arranged at the bottom of the limiting block (312), a guide pipe protecting sleeve (412) is sleeved on the surface of the limiting block (312), and the other end of the guide pipe (411) is connected to the front bottom of the fixed plate (326).

6. The tower crane limiting mechanism of claim 5 wherein: the three (413) of spout have been seted up to spacing room (321) top and bottom, the inside rear end of spout three (413) is provided with rubber connecting block one (414), rubber connecting block one (414) back is provided with flexible post two (415), flexible post two (415) back is provided with rubber connecting block two (417), flexible post two (415) surface is provided with buffer spring one (416).