Height-limiting alarm positioning device of tower crane

Abstract

The utility model provides a tower crane height limit alarm positioning device, which belongs to the technical field of industrial cranes, and comprises a lifting hook body, the surface of the lifting hook body is provided with a height limit mechanism, the height limit mechanism comprises a diamond plate group, a lower limit plate, an upper limit plate and a vertical shaft, the rhombic plate group comprises a first inclined plate, a second inclined plate, a third inclined plate and a fourth inclined plate, an upper structure shaft is inserted into the top of a body of the first inclined plate and the top of a body of the second inclined plate, and a middle structure shaft is arranged at the bottom of the body of the first inclined plate and the bottom of the body of the second inclined plate. Through the arrangement of the height limiting mechanism, when the height of the lifting hook of the tower crane is too low or exceeds the rated height limiting height, the alarm mechanism is combined to timely warn operators on the ground to adjust in time, so that the lifting hook can be effectively prevented from colliding with the ground or obstacles below, equipment is prevented from being damaged, and the lifting hook is prevented from colliding with protruding objects on the ground; the maintenance cost is reduced, accidents caused by too low lifting hooks are prevented, and the life safety of field personnel is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial hoist technology field, concretely is a tower crane height limiting alarm positioning device. BACKGROUND

[0002] Tower crane hook is its important component, usually by high strength steel material, its unique shape, is used for hoisting and carrying heavy objects, the hook needs to have good load capacity and wear resistance, to ensure the safety of hoisting operation, for example in construction, can hoist various building materials accurately. Its quality and maintenance are crucial.

[0003] Generally speaking, when the crane hoisting operation, need a operator to operate in high place, the operating room in high place is provided with height limiting alarm device, but for the ground hoisting operator, when the hook is too low, exceeds the limited height, the hook bottom will contact the object and tilt, does not have warning function. UTILITY MODEL CONTENTS

[0004] In order to make up for the above insufficient, the utility model provides a kind of tower crane height limiting alarm positioning device to overcome above technical problems or at least partially solve above problems.

[0005] The utility model is realized as follows:

[0006] The utility model provides a kind of tower crane height limiting alarm positioning device, including hook body, the surface of the hook body is equipped with height limiting mechanism;

[0007] The height limiting mechanism includes:

[0008] Rhombus plate group, the rhombus plate group includes first inclined plate, second inclined plate, third inclined plate and fourth inclined plate, the body top of first inclined plate and second inclined plate is inserted with upper structure shaft, the body bottom of first inclined plate and second inclined plate is equipped with middle structure shaft, the body bottom of first inclined plate and second inclined plate is connected with the body top of third inclined plate and fourth inclined plate by middle structure shaft, the body bottom of third inclined plate and fourth inclined plate is equipped with lower structure shaft;

[0009] Lower limit pad, the lower limit pad is movably connected by bearing and lower structure shaft;

[0010] Upper limit pad, the upper limit pad is located in the front side surface of hook body;

[0011] Vertical shaft, the vertical shaft is movably inserted in lower structure shaft, the top of vertical shaft is equipped with the shaft limit pad of overlap upper limit pad upper surface.

[0012] In an embodiment of the utility model, the surface of the hook body is equipped with an alarm mechanism, the alarm mechanism is above the height limiting mechanism, the alarm mechanism comprises a double mounting plate, vertical toothed plates are arranged between the two plate bodies of the double mounting plate, and a gear is arranged on the front section of the double mounting plate through a movable shaft.

[0013] In an embodiment of the utility model, the two sides of the vertical toothed plate are both equipped with toothed plate limiting double plates, the toothed plate limiting double plates are movably connected on the top of the double mounting plate, and the gear and the vertical toothed plate are connected through toothed engagement.

[0014] In an embodiment of the utility model, the bottom of the vertical toothed plate is fixedly connected with a toothed plate limiting round plate, one end of the movable shaft of the gear is fixedly connected with a rotating plate on the side surface of the double mounting plate, the top of the rotating plate is fixedly connected with a hanging shaft, and the bottom of the hanging shaft is equipped with a mounting frame.

[0015] In an embodiment of the utility model, the top of the toothed plate limiting round plate is a smooth round shape, and the bottom of the toothed plate limiting round plate is a smooth transition spherical groove.

[0016] In an embodiment of the utility model, the lower structure shaft is connected with the outer ring of the bearing, and the back of the lower limiting plate is connected with the inner ring of the bearing through a connecting piece.

[0017] In an embodiment of the utility model, a long slot is arranged on the upper limiting plate, and the shaft limiting plate is connected on the slot of the upper limiting plate.

[0018] In an embodiment of the utility model, a limiting ring is sleeved on the upper structure shaft, a connecting ring is arranged between the shaft holes of the first inclined plate and the second inclined plate, and the upper structure shaft is sleeved on the connecting ring.

[0019] The tower crane height limiting alarm positioning device has the following beneficial effects.

[0020] 1. The height limiting mechanism is arranged, so that when the height of the hook of the tower crane is too low and exceeds the rated height, the alarm mechanism can timely warn the ground operator to make timely adjustment, the hook can effectively avoid colliding with the ground or the lower obstacle, the equipment can be prevented from being damaged, the hook can avoid colliding with the protruding object on the ground, the maintenance cost can be reduced, the construction safety can be ensured, the unexpected accidents caused by the low hook can be prevented, and the safety of the on-site personnel can be ensured.

[0021] 2. By setting the mounting frame, the conspicuous flag or the reflector plate and other components can be installed in the mounting frame, the hook component is inclined to which side, the flag on which side will be lifted up, which can help the operator to distinguish which side appears the abnormal state, can make the operator quickly and intuitively judge the inclination direction of the hook, improve the efficiency of problem discovery, in the emergency, the operator can know and take measures in the first time, avoid the accident. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 is the structural perspective view provided by the embodiments of the present application;

[0024] Figure 2 is the front view provided by the embodiments of the present application;

[0025] Figure 3 is the height limiting mechanism structural schematic view provided by the embodiments of the present application;

[0026] Figure 4 is the alarm mechanism structural schematic view provided by the embodiments of the present application.

[0027] In the figure: 1, hook body; 2, height limiting mechanism; 201, diamond plate group; 2011, first inclined plate; 2012, second inclined plate; 2013, third inclined plate; 2014, fourth inclined plate; 202, middle structure shaft; 203, upper structure shaft; 2031, limiting ring; 204, lower structure shaft; 2041, lower limiting plate; 205, upper limiting plate; 2051, notch; 206, vertical shaft; 2061, shaft limiting plate; 3, alarm mechanism; 301, vertical toothed plate; 3011, toothed plate limiting round plate; 3012, toothed plate limiting double plate; 302, mounting double plate; 3021, gear; 303, rotating plate; 3031, hanging shaft; 3032, mounting frame. DETAILED DESCRIPTION

[0028] In order to make the purposes, technical schemes and advantages of the embodiments of the present application clearer, the technical schemes in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0029] Embodiment

[0030] With reference to Figures 1-4 The technical scheme provides a tower crane height-limiting alarm positioning device, which comprises a hook body 1, and a height-limiting mechanism 2 is arranged on the surface of the hook body 1. The height-limiting mechanism 2 comprises a diamond plate group 201, a lower limiting plate 2041, an upper limiting plate 205 and a vertical shaft 206. The diamond plate group 201 comprises a first inclined plate 2011, a second inclined plate 2012, a third inclined plate 2013 and a fourth inclined plate 2014. The upper structure shaft 203 is inserted into the top of the bodies of the first inclined plate 2011 and the second inclined plate 2012. The middle structure shaft 202 is arranged on the bottom of the bodies of the first inclined plate 2011 and the second inclined plate 2012. The bottom of the body of the first inclined plate 2011 and the bottom of the body of the second inclined plate 2012 are connected to the top of the bodies of the third inclined plate 2013 and the fourth inclined plate 2014 through the middle structure shaft 202. The upper limiting plate 205 is arranged on the front surface of the hook body 1. The vertical shaft 206 is movably inserted into the lower structure shaft 204. The shaft limiting plate 2061 is arranged on the top of the vertical shaft 206 and overlaps the upper surface of the upper limiting plate 205. When the height of the hook of the tower crane is too low and exceeds the rated height-limiting height, the alarm mechanism 3 can timely warn the ground operator to make timely adjustment, so that the hook can effectively avoid colliding with the ground or the lower obstacles, the equipment can be prevented from being damaged, the hook can be prevented from colliding with the protruding objects on the ground, the maintenance cost can be reduced, the construction safety can be ensured, the accidents caused by the low hook can be prevented, and the safety of the on-site personnel can be ensured.

[0031] With reference to Figures 1-4 Based on the same concept as that in the above embodiment 1, the surface of the hook body 1 is provided with the alarm mechanism 3, the alarm mechanism 3 is arranged above the height-limiting mechanism 2, the alarm mechanism comprises the installation double plate 302, the vertical tooth plate 301 is arranged between the two plate bodies of the installation double plate 302, and the gear 3021 is arranged on the front section of the installation double plate 302 through the movable shaft.

[0032] With reference to Figures 1-4, based on the same idea as in the above embodiment 1, this embodiment also proposes that the vertical tooth plate 301 is provided with tooth plate limiting double plates 3012 on both sides, which are movably lapped on the top of the mounting double plate 302, the gear 3021 and the vertical tooth plate 301 are connected in meshing, by setting the mounting frame 3032, the conspicuous flag or reflector plate and other components can be installed in the mounting frame 3032, the flag on which side will be lifted up when the hook component tilts to which side, which can help the operator to distinguish which side has an abnormal state, so that the operator can quickly and intuitively judge the tilt direction of the hook, improve the efficiency of problem discovery, in emergency, the operator can know and take measures in the first time, avoid accidents.

[0033] Referring to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the vertical tooth plate 301 is provided with tooth plate limiting double plates 3012 on both sides, which are movably lapped on the top of the mounting double plate 302, the gear 3021 and the vertical tooth plate 301 are connected in meshing, by setting the mounting frame 3032, the conspicuous flag or reflector plate and other components can be installed in the mounting frame 3032, the flag on which side will be lifted up when the hook component tilts to which side, which can help the operator to distinguish which side has an abnormal state, so that the operator can quickly and intuitively judge the tilt direction of the hook, improve the efficiency of problem discovery, in emergency, the operator can know and take measures in the first time, avoid accidents.

[0034] Referring to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the vertical tooth plate 301 is provided with tooth plate limiting double plates 3012 on both sides, which are movably lapped on the top of the mounting double plate 302, the gear 3021 and the vertical tooth plate 301 are connected in meshing, by setting the mounting frame 3032, the conspicuous flag or reflector plate and other components can be installed in the mounting frame 3032, the flag on which side will be lifted up when the hook component tilts to which side, which can help the operator to distinguish which side has an abnormal state, so that the operator can quickly and intuitively judge the tilt direction of the hook, improve the efficiency of problem discovery, in emergency, the operator can know and take measures in the first time, avoid accidents.

[0035] Referring to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the vertical tooth plate 301 is provided with tooth plate limiting double plates 3012 on both sides, which are movably lapped on the top of the mounting double plate 302, the gear 3021 and the vertical tooth plate 301 are connected in meshing, by setting the mounting frame 3032, the conspicuous flag or reflector plate and other components can be installed in the mounting frame 3032, the flag on which side will be lifted up when the hook component tilts to which side, which can help the operator to distinguish which side has an abnormal state, so that the operator can quickly and intuitively judge the tilt direction of the hook, improve the efficiency of problem discovery, in emergency, the operator can know and take measures in the first time, avoid accidents.

[0036] Referring to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the vertical tooth plate 301 is provided with tooth plate limiting double plates 3012 on both sides, which are movably lapped on the top of the mounting double plate 302, the gear 3021 and the vertical tooth plate 301 are connected in meshing, by setting the mounting frame 3032, the conspicuous flag or reflector plate and other components can be installed in the mounting frame 3032, the flag on which side will be lifted up when the hook component tilts to which side, which can help the operator to distinguish which side has an abnormal state, so that the operator can quickly and intuitively judge the tilt direction of the hook, improve the efficiency of problem discovery, in emergency, the operator can know and take measures in the first time, avoid accidents.

[0037] Referring to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the vertical tooth plate 301 is provided with tooth plate limiting double plates 3012 on both sides, which are movably lapped on the top of the mounting double plate 302, the gear 3021 and the vertical tooth plate 301 are connected in meshing, by setting the mounting frame 3032, the conspicuous flag or reflector plate and other components can be installed in the mounting frame 3032, the flag on which side will be lifted up when the hook component tilts to which side, which can help the operator to distinguish which side has an abnormal state, so that the operator can quickly and intuitively judge the tilt direction of the hook, improve the efficiency of problem discovery, in emergency, the operator can know and take measures in the first time, avoid accidents.

[0038] Specifically, the working process or working principle of the height-limiting alarm positioning device of the tower crane is as follows: when the hook part of the tower crane is lowered for hoisting operation, if the falling height exceeds the limited height, the hook first contacts the upper surface of the hoisted object or the obstacle. Since the hook is connected by a rope, the hook part will deviate when the height is too low. When the hook body 1 deviates to one side, the height-limiting mechanism 2 on this side remains in a natural vertical state since the first and second inclined rods are sleeved on the upper structure shaft 203. The bottom end of the vertical shaft 206 is lifted after contacting the upper surface of an object, while the bottom end of the vertical shaft 206 of the height-limiting mechanism 2 on the other side is not lifted since it does not contact anything. After the top of the vertical shaft 206 on the deviated side contacts the bottom of the gear plate limiting round plate 3011 and lifts it, the vertical gear plate 301 is lifted upward, the gear 3021 rotates under the toothed meshing transmission of the vertical gear plate 301, and finally the hanging shaft 3031 on the rotating plate 303 is rotated. It should be noted that the length of the rotating plate 303 is shorter than that of the installation double plate 302, so it will only rotate half a circle and be blocked. The installation frame 3032 is provided with a reflective plate lamp eye-catching object, which will alert the ground operator to adjust in time.

[0039] It should be noted that the hook body 1 is a device or equipment existing in the prior art or a device or equipment that can be realized in the prior art. Its power supply, specific components, and principles are clear to those skilled in the art, and therefore will not be described in detail.

Claims

1. A tower crane height limit alarm positioning device comprising a hook body (1), characterized in that: The surface of the hook body (1) is provided with a height limiting mechanism (2); The height limiting mechanism (2) comprises: A rhombic plate group (201) comprising a first inclined plate (2011), a second inclined plate (2012), a third inclined plate (2013) and a fourth inclined plate (2014); A lower limiting plate (2041) movably connected by a bearing and a lower structure shaft (204); An upper limiting plate (205) provided on the front surface of the hook body (1); A vertical shaft (206) movably inserted into the lower structure shaft (204), the top of the vertical shaft (206) being provided with a shaft limiting plate (2061) lapping the upper surface of the upper limiting plate (205).

2. A tower crane height limit alarm positioning device according to claim 1, characterised in that, The top of the first inclined plate (2011) and the second inclined plate (2012) is inserted with an upper structure shaft (203), the bottom of the first inclined plate (2011) and the second inclined plate (2012) is provided with a middle structure shaft (202), the bottom of the first inclined plate (2011) and the second inclined plate (2012) is connected with the top of the third inclined plate (2013) and the fourth inclined plate (2014) through the middle structure shaft (202), and the bottom of the third inclined plate (2013) and the fourth inclined plate (2014) is provided with the lower structure shaft (204).

3. A height warning and positioning device for a tower crane according to claim 1, characterized in that The surface of the hook body (1) is provided with an alarm mechanism (3) above the height limiting mechanism (2), the alarm mechanism (3) comprising a mounting double plate (302), the two plate bodies of the mounting double plate (302) being provided with a vertical tooth plate (301), the front section of the mounting double plate (302) being provided with a gear (3021) through a movable shaft.

4. A height warning and positioning device for a tower crane according to claim 3, characterized in that Both sides of the vertical tooth plate (301) are provided with tooth plate limiting double plates (3012) movably lapping the top of the mounting double plate (302), the gear (3021) and the vertical tooth plate (301) being meshed and connected through the opening of the gear.

5. A height warning and positioning device for a tower crane according to claim 3, characterized in that The bottom of the vertical tooth plate (301) is fixedly connected with a tooth plate limiting circular plate (3011), one end of the movable shaft of the gear (3021) is fixedly connected with a rotating plate (303) on the side surface of the mounting double plate (302), the top of the rotating plate (303) is fixedly connected with a hanging shaft (3031), and the bottom of the hanging shaft (3031) is provided with a mounting frame (3032).

6. A tower crane height limit alarm positioning device according to claim 5, characterised in that, The top of the tooth plate limiting circular plate (3011) is a smooth circle, and the bottom of the tooth plate limiting circular plate (3011) is a smooth transition spherical groove.

7. A tower crane height limit alarm positioning device according to claim 6, characterised in that, The lower structure shaft (204) is connected with the outer ring of the bearing, and the back of the lower limiting plate (2041) is connected with the inner ring of the bearing through a connecting piece.

8. A height warning and positioning device for a tower crane according to claim 1, characterized in that The upper limiting plate (205) is provided with a long slot (2051), and the shaft limiting plate (2061) lapps the slot (2051) of the upper limiting plate (205).

9. A height warning and positioning device for a tower crane according to claim 2, characterized in that The upper structure shaft (203) is sleeved with a limiting ring (2031), and a connecting ring is arranged between the shaft holes of the first inclined plate (2011) and the second inclined plate (2012), and the upper structure shaft (203) is sleeved on the connecting ring.

Images