CN210260863U

CN210260863U - Crane main hook device with lifting capacity limiter

Info

Publication number: CN210260863U
Application number: CN201921324117.XU
Authority: CN
Inventors: 李猛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-04-07
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a hoist main hook device with load lifting limiter, including horizontal dead lever, the perforation has been seted up at the top of horizontal dead lever, and fenestrate circumference inner wall is equipped with the buffering packing ring, the inside of buffering packing ring is pegged graft and is had the longitudinal fixing pole, and the bottom of longitudinal fixing pole is equipped with the main hook body, the bottom inner wall of main hook body is equipped with pressure sensor, and pressure sensor's top is equipped with the slipmat, the top key-joint of main hook body one side has spacing, and the draw-in groove has been seted up at the top of main hook body one side inner wall. The utility model discloses buffering packing ring slows down horizontal impact force between longitudinal fixation pole and the perforation inner wall, increases life and security, can scrub the cable wire of business turn over casing, and the dust of scrubbing and dropping can in time be discharged through arranging the sand hole, avoids the cable wire of outer wall adhesion dust to take place wearing and tearing when twitching, and the extension pipe carries on spacingly to the cable wire, the winding condition of cable wire swing when avoiding the handling.

Description

Crane main hook device with lifting capacity limiter

Technical Field

The utility model relates to a hoist technical field especially relates to a hoist main hook device with load lifting limiter.

Background

The crane is a multi-action crane that vertically lifts and horizontally transfers a heavy object within a certain range, and when various kinds of lifting equipment lift the heavy object, particularly when lifting is started, since the weight of the lifted heavy object is difficult to be determined in advance, a phenomenon that the lifted heavy object is very likely to occur.

Through retrieval, chinese patent application No. CN201320549449.4 discloses a crane main hook device with a lifting capacity limiter, which comprises a main hook roller (3) with a steel cable (6) wound around the circumference thereof and a main hook rotating shaft (5) concentrically fixed with the main hook roller (3), and is characterized in that: the crane is provided with a weight limiter connected with a control circuit of the crane, and the main hook rotating shaft (5) penetrates through the load limiter. The crane main hook device with the lifting capacity limiter in the patent has the following defects: without slowing down the transverse forces at the connection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crane main hook device with a lifting capacity limiter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a crane main hook device with a lifting capacity limiter comprises a transverse fixing rod, wherein a through hole is formed in the top of the transverse fixing rod, a buffer gasket is arranged on the circumferential inner wall of the through hole, a longitudinal fixing rod is inserted into the buffer gasket, a main hook body is arranged at the bottom of the longitudinal fixing rod, a pressure sensor is arranged on the inner wall of the bottom of the main hook body, a non-slip mat is arranged on the top of the pressure sensor, a limiting strip is connected to the top of one side of the main hook body in a key mode, a clamping groove is formed in the top of the inner wall of one side of the main hook body, the inner diameter of the clamping groove is matched with the outer diameter of the limiting strip, shells are arranged at two ends of the transverse fixing rod, main hook rotating shafts are connected to the inner walls of two sides of the two shells through bearings, grooves are formed in the circumferential positions of the two main, and a warning lamp is arranged on the outer wall of one side of the shell.

As a further aspect of the present invention: the outer wall of both sides of the shell is provided with extension pipes along the circumferential direction of the through holes, and the inner wall of the circumference of each extension pipe is connected with cleaning brushes which are uniformly distributed through springs.

As a further aspect of the present invention: the bottom outer wall of extension pipe is seted up evenly distributed's row sand hole.

As a further aspect of the present invention: and a limiting plate is arranged at the top of the longitudinal fixing rod.

As a further aspect of the present invention: the top of the transverse fixing rod is provided with an annular water collecting tank along the circumferential direction of the top opening of the perforation, the top of the transverse fixing rod is provided with a water retaining ring along the circumferential direction of the top opening of the perforation, the water retaining ring is positioned between the water collecting tank and the perforation, and the inner walls of two sides of the water collecting tank are provided with drain holes.

As a further aspect of the present invention: the circumference department of limiting plate bottom sets up annular spacing groove, and the top of manger plate circle extends to the inside in spacing groove.

As a further aspect of the present invention: and an extension sleeve is arranged at the bottom of the transverse fixing rod along the circumferential direction of the opening at the bottom of the through hole.

The utility model has the advantages that:

1. the position of the limiting strip is limited by the clamping groove, the pressure sensor and the buffer gasket, the pressure sensor detects the weight of a lifted article, the warning lamp gives out light for prompting when the article is overweight, the damage of a main hook body or the breakage of a steel cable caused by the overweight of the lifted article is avoided, and when the article swings in the lifting process, the buffer gasket slows down the transverse impact force between the longitudinal fixing rod and the inner wall of the through hole, so that the service life and the safety are improved;

2. by arranging the cleaning brush, the extension pipe and the sand discharge hole, when the steel cable lifts and lifts an article, the spring pushes the cleaning brush to scrub the steel cable entering and exiting the shell, and dust falling from scrubbing can be discharged through the sand discharge hole in time, so that the steel cable with dust adhered to the outer wall is prevented from being worn during pumping, and the extension pipe limits the steel cable, so that the steel cable is prevented from being wound in a swinging manner during lifting;

3. through setting up manger plate circle, water catch bowl and extension cover, the manger plate circle blocks the rainwater, and the rainwater assembles in the water catch bowl and in time discharges through the wash port, avoids rainwater or impurity to dash drench the inner wall to cushion the packing ring and influence life, and the bottom of extending the cover and avoiding the rainwater through horizontal dead lever is soaked in the perforation.

Drawings

Fig. 1 is a schematic structural view of a main hook device of a crane with a load lifting limiter according to embodiment 1;

fig. 2 is a sectional view showing a side structure of a housing of a main hook device of a crane with a load limiter according to embodiment 1;

FIG. 3 is a side sectional view of a lateral fixing rod of a main hook device of a crane with a load lifting limiter according to embodiment 2;

fig. 4 is a schematic structural view of a transverse fixing rod of a main hook device of a crane with a load lifting limiter according to embodiment 2.

In the figure: the main hook comprises a main hook body 1, a non-slip mat 2, a pressure sensor 3, a clamping groove 4, a limiting strip 5, a drainage hole 6, a transverse fixing rod 7, a limiting plate 8, a shell 9, a main hook rotating shaft 10, a groove 11, a longitudinal fixing rod 12, a cleaning brush 13, a sand discharge hole 14, an extension pipe 15, a limiting groove 16, a water retaining ring 17, a water collecting groove 18, an extension sleeve 19 and a buffer gasket 20.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a crane main hook device with a load lifting limiter comprises a transverse fixing rod 7, a perforation is arranged at the top of the transverse fixing rod 7, a buffer washer 20 is connected to the circumferential inner wall of the perforation through a fastening bolt, a longitudinal fixing rod 12 is inserted into the buffer washer 20, the bottom of the longitudinal fixing rod 12 is connected with a main hook body 1 through a fastening bolt, the inner wall of the bottom of the main hook body 1 is connected with a pressure sensor 3 through a fastening bolt, the top of the pressure sensor 3 is connected with a non-slip mat 2 through a fastening bolt, a limit strip 5 is connected to the top of one side of the main hook body 1 in a key manner, a clamping groove 4 is arranged at the top of the inner wall of one side of the main hook body 1, the inner diameter of the clamping groove 4 is matched with the outer diameter of the limit strip 5, two ends of the transverse fixing rod 7 are both connected with shells 9 through, the circumference department of two main hook pivot 10 all sets up fluted 11, and the through-hole has all been seted up at the top of main hook pivot 10 both sides outer wall, one side outer wall of casing 9 is connected with the warning light through fastening bolt, insert the cable wire in casing 9 through the through-hole, recess 11 carries on spacingly to the position of cable wire, avoid its slip, stir spacing 5 and remove the connecting rope that needs the handling to main hook main part 1 in, spacing 5 resets, draw-in groove 4 carries on spacingly to the position of spacing 5, pressure sensor 3 detects the weight of handling article, the light-emitting suggestion of warning light when the article is overweight, avoid the handling article overweight to cause main hook main part 1 to damage or cable wire fracture, when handling in-process article took place the swing, cushion ring 20 slows down horizontal impact force between longitudinal fixation pole 12 and the perforation inner wall, increase life and security.

Wherein, the outer wall of casing 9 both sides all is connected with extension pipe 15 through fastening bolt along the circumference of through-hole, and the circumference inner wall of extension pipe 15 has evenly distributed's cleaning brush 13 through spring coupling, and the cable wire when the handling goes up and down the article, the spring promotes cleaning brush 13 and scrubs the cable wire of business turn over casing 9.

Wherein, the bottom outer wall of extension pipe 15 is seted up evenly distributed's row sand hole 14, and the dust that brushes and drop can in time be discharged through row sand hole 14.

The top of the longitudinal fixing rod 12 is connected with a limiting plate 8 through a fastening bolt, and the limiting plate 8 limits the longitudinal fixing rod 12.

The working principle is as follows: the steel cable is inserted into the shell 9 through the through hole, the groove 11 limits the position of the steel cable, sliding of the steel cable is avoided, the connecting rope needing to be hoisted is moved into the main hook body 1 by poking the limiting strip 5, the limiting strip 5 resets, the clamping groove 4 limits the position of the limiting strip 5, the pressure sensor 3 detects the weight of a hoisted article, when the article is overweight, a warning lamp gives out light to prompt, damage to the main hook body 1 or breakage of the steel cable caused by overweight of the hoisted article is avoided, when the article swings in the hoisting process, the buffer gasket 20 reduces transverse impact force between the longitudinal fixing rod 12 and the inner wall of a perforation, the service life and the safety are prolonged, when the article is hoisted and lifted, the spring pushes the cleaning brush 13 to scrub the steel cable passing in and out of the shell 9, dust generated by scrubbing and falling can be timely discharged through the sand discharge hole 14.

Example 2

Referring to fig. 3-4, a crane main hook device with a lifting capacity limiter, in this embodiment, compared with embodiment 1, an annular water collecting tank 18 is disposed at the top of a transverse fixing rod 7 along the circumferential direction of a perforated top opening, and the top of the transverse fixing rod 7 is connected with a water retaining ring 17 through a fastening bolt along the circumferential direction of the perforated top opening, the water retaining ring 17 is located between the water collecting tank 18 and a perforated hole, drain holes 6 are disposed on inner walls of two sides of the water collecting tank 18, an annular limiting groove 16 is disposed at the circumference of the bottom of a limiting plate 8, the top of the water retaining ring 17 extends to the inside of the limiting groove 16, and an extension sleeve 19 is connected to the bottom of the transverse fixing rod 7 through a fastening bolt along the.

The working principle is as follows: the water retaining ring 17 blocks rainwater, the rainwater is gathered to the water collecting tank 18 and is timely discharged through the drain hole 6, the rainwater or impurities are prevented from being flushed to the inner wall of the buffer gasket 20 to affect the service life, and the extension sleeve 19 prevents the rainwater from being immersed into a through hole through the bottom of the transverse fixing rod 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A crane main hook device with a lifting capacity limiter comprises a transverse fixing rod (7) and is characterized in that a through hole is formed in the top of the transverse fixing rod (7), a buffering gasket (20) is arranged on the circumferential inner wall of the through hole, a longitudinal fixing rod (12) is inserted into the buffering gasket (20), a main hook body (1) is arranged at the bottom of the longitudinal fixing rod (12), a pressure sensor (3) is arranged on the inner wall of the bottom of the main hook body (1), an anti-slip pad (2) is arranged on the top of the pressure sensor (3), a limiting strip (5) is connected to the top of one side of the main hook body (1) in a key mode, a clamping groove (4) is formed in the top of the inner wall of one side of the main hook body (1), the inner diameter of the clamping groove (4) is matched with the outer diameter of the limiting strip (5), and shells (9) are arranged at two, and the inner walls of the two sides of the two shells (9) are connected with a main hook rotating shaft (10) through bearings, a groove (11) is formed in the circumference of the main hook rotating shaft (10), through holes are formed in the tops of the outer walls of the two sides of the main hook rotating shaft (10), and a warning lamp is arranged on the outer wall of one side of each shell (9).

2. The main hook device of crane with load lifting limiter according to claim 1, wherein the outer wall of both sides of the housing (9) is provided with an extension pipe (15) along the circumference of the through hole, and the inner wall of the circumference of the extension pipe (15) is connected with cleaning brushes (13) uniformly distributed through springs.

3. The main hook device of crane with load lifting limiter according to claim 2, wherein the bottom outer wall of the extension pipe (15) is provided with uniformly distributed sand discharge holes (14).

4. The crane main hook device with the load lifting limiter according to any one of claims 1-3, wherein the top of the longitudinal fixing rod (12) is provided with a limiting plate (8).

5. The crane main hook device with the load lifting limiter according to claim 4, wherein the top of the transverse fixing rod (7) is provided with an annular water collecting groove (18) along the circumferential direction of the top opening of the through hole, the top of the transverse fixing rod (7) is provided with a water retaining ring (17) along the circumferential direction of the top opening of the through hole, the water retaining ring (17) is located between the water collecting groove (18) and the through hole, and the inner walls of the two sides of the water collecting groove (18) are provided with drain holes (6).

6. The crane main hook device with the load lifting limiter according to claim 5, wherein the circumference of the bottom of the limiting plate (8) is provided with an annular limiting groove (16), and the top of the water retaining ring (17) extends to the inside of the limiting groove (16).

7. Crane primary hook device with load limiter according to claim 6, characterized in that the bottom of the cross-fixing rod (7) is provided with an extension sleeve (19) along the circumference of the perforated bottom opening.