CN217297083U - Crawler crane torque limiter - Google Patents

Abstract

The utility model discloses a crawler crane moment limiter, including the bottom organism, the central point at bottom organism top puts the activity and is provided with the rotary disk, the top of rotary disk is provided with the top organism, the inside of top organism right-hand member is provided with host computer display, the top activity of top organism is provided with the main arm body, there is the fly jib body at the top of main arm body through the axle activity, the inside rigidity that is close to the top of fly jib body has main hook height limiter, the inside top that is close to main hook height limiter of fly jib body is provided with the high stopper of fly jib, the inside top of fly jib body is fixed with fly jib front end terminal box. The utility model discloses a be provided with main hook height limiter and vice hook height limiter on the fly jib body, main hook height limiter and vice hook height limiter detect the distance of main lifting hook and vice lifting hook respectively to in feeding back data to the host computer display, thereby real-time detection data, the practicality is strong.

Description

Crawler crane torque limiter

Technical Field

The utility model relates to a limiter technical field specifically is a crawler crane moment limiter.

Background

The crawler crane is a large-scale hoisting device, can hoist various things, if the weight of hoisting the thing has exceeded specified weight, then the incident can appear, and hoist wire rope breaks, and the hoist rolls on one's side etc. and causes very big loss.

The angle of the main arm and the auxiliary arm of the crawler crane can be changed, the amplitude can be changed accordingly, the crawler crane can be provided with a lifting performance meter when being designed to leave a factory, the maximum lifting capacity capable of being lifted under different amplitudes is specified, the maximum lifting capacity is the rated lifting capacity, therefore, the maximum lifting capacity capable of being lifted by the crawler crane under different amplitudes is different, the moment limiter downloads the lifting performance meter of the crane into the display host, the actual lifting capacity is judged whether to exceed the rated lifting capacity through detection of various sensors, the crawler crane can be safely and continuously lifted if not, the meter can display the actual lifted weight, the angle of the large arm, the operation amplitude and the like. If the current value exceeds the preset threshold value, an alarm sound is sent out, and a control signal is output, so that the crane is not allowed to continue to lift.

Nowadays, this kind of device on the market is various, can satisfy people's user demand basically, but still has certain problem, but, the unable state that detects the lifting hook of current crawler crane moment limiter, and the practicality is not strong.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crawler crane moment limiter is in order to solve the problem of the unable state that detects the lifting hook that provides in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a crawler crane moment limiter, includes the bottom organism, the central point at bottom organism top puts the activity and is provided with the rotary disk, the top of rotary disk is provided with the top organism, the inside of top organism right-hand member is provided with the host computer display, the top activity of top organism is provided with the main arm body, there is the fly jib body at the top of main arm body through the axle activity, the inside position that is close to the top of fly jib body is fixed with the high stopper of main hook, the inside top that is close to the high stopper of main hook of fly jib body is provided with the high stopper of fly jib, the inside top of fly jib body is fixed with fly jib front end terminal box, the inside position activity that is close to the bottom of fly jib body is provided with the fly jib rear end reel.

Preferably, the two sides of the top of the main arm body are movably provided with steel wire guide wheels, the left side of the top of the main arm body is movably provided with a second side arm, and the right side of the bottom of the auxiliary arm body is movably provided with a first side arm.

Preferably, a main arm front end junction box is fixed at the top inside the main arm body, an air speed sensor is fixed at the bottom inside the main arm body close to the main arm front end junction box, a main height limit switch is fixed on the right side inside the main arm body close to the bottom of the air speed sensor, an auxiliary arm angle sensor is fixed at the position inside the auxiliary arm body close to the bottom, and the air speed sensor plays a role in detecting air speed.

Preferably, an auxiliary high limit switch is fixed at the bottom of the main arm body close to the main high limit switch, a top auxiliary weight sensor is fixed at the left side of the main arm body close to the top, a top main weight sensor is fixed at the bottom of the main arm body close to the top auxiliary weight sensor, and the top main weight sensor detects the weight of the device.

Preferably, a main arm rear end wiring box is fixed on the right side of the bottom inside the main arm body, a main arm angle sensor is fixed on the top of the bottom inside the main arm body, which is close to the main arm rear end wiring box, and the main arm rear end wiring box can facilitate wiring.

Preferably, a main arm rear end reel is fixed at the center position of the inside of the main arm body close to the bottom, a bottom auxiliary weight sensor is fixed at the bottom of the inside of the main arm body close to the left side, and a bottom main weight sensor is fixed at the top of the inside of the main arm body close to the bottom auxiliary weight sensor.

Preferably, the main hook height limiter and the auxiliary hook height limiter are connected with the auxiliary arm front end junction box through wires, the auxiliary arm front end junction box is connected with the auxiliary arm rear end winding drum through wires, the auxiliary arm front end junction box is wound on the auxiliary arm rear end winding drum through wires and is connected to the main arm front end junction box, and the auxiliary arm rear end winding drum facilitates transmission of the wires.

Preferably, the wind speed sensor, the auxiliary arm angle sensor, the main high limit switch, the auxiliary high limit switch, the top auxiliary weight sensor and the top main weight sensor are connected with the main arm front end junction box through conducting wires, the bottom main weight sensor, the bottom auxiliary weight sensor, the main arm angle sensor and the host display are connected with the main arm rear end junction box through conducting wires, and the main arm rear end junction box is wound on the main arm rear end winding drum through conducting wires and is connected to the main arm front end junction box.

Compared with the prior art, the beneficial effects of the utility model are that: this crawler crane moment limiter is rational in infrastructure, has following advantage:

(1) through being provided with main hook height limiter, vice arm front end terminal box and vice arm rear end reel have realized that the device can detect the state of lifting hook, consequently, during the use, through being provided with main hook height limiter and vice hook height limiter on the fly jib body, main hook height limiter and vice hook height limiter detect the distance of main lifting hook and vice lifting hook respectively, thereby in feeding back data to host computer display, thereby real-time detection data, therefore the practicality is strong.

(2) Through being provided with wind speed sensor, sub-boom angle sensor and main arm angle sensor real-time detection main arm body and the angle between the sub-boom body, prevent that main arm body and sub-boom body angle span from too big leading to taking place danger, therefore, during the use, through being provided with wind speed sensor, wind speed sensor detects the wind speed in the environment, when detecting the wind speed and being too big, the crawler crane of stopping using, detect the angle of sub-boom body through sub-boom angle sensor, thereby prevent that the span of sub-boom body is too big, detect the angle of main arm body through main arm angle sensor, thereby prevent that the span of main arm body is too big, thereby the security of crawler crane has been improved.

(3) Through being provided with main high limit switch, vice high limit switch, the vice weight sensor in top, the main weight sensor in top, the security that further improves the track has been realized to main weight sensor in bottom and the vice weight sensor in bottom, consequently, be provided with main high limit switch and vice high limit switch, detect the length of the extension of auxiliary boom body, thereby implement the control, the overlength that prevents main boom body to stretch leads to the crawler crane to take place danger, through being provided with the vice weight sensor in top, the main weight sensor in top, the weight of the vice weight sensor in bottom and the vice weight sensor detection device in bottom, it takes place danger to prevent that the crawler crane from transshipping.

Drawings

FIG. 1 is a schematic structural view of the utility model in front view;

fig. 2 is a schematic front view of the external structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

fig. 5 is an enlarged schematic structural diagram of the present invention at C in fig. 1.

In the figure: 1. rotating the disc; 2. a bottom chassis; 3. a top body; 4. a main arm body; 5. a sub-arm body; 6. a main hook height limiter; 7. a secondary hook height limiter; 8. a sub-arm front end junction box; 9. a winding drum at the rear end of the auxiliary arm; 10. a main arm front terminal box; 11. a wind speed sensor; 12. an auxiliary arm angle sensor; 13. a main high limit switch; 14. an auxiliary high limit switch; 15. a top secondary weight sensor; 16. a top primary weight sensor; 17. a bottom primary weight sensor; 18. a bottom pair weight sensor; 19. a main arm angle sensor; 20. a host display; 21. the rear end of the main arm is connected with a wire box; 22. a main arm rear end reel; 23. a first side arm; 24. a second side arm; 25. a steel wire guide wheel.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a moment limiter of a crawler crane comprises a bottom machine body 2, wherein a rotating disc 1 is movably arranged at the center of the top of the bottom machine body 2, a top machine body 3 is arranged at the top of the rotating disc 1, a host display 20 is arranged inside the right end of the top machine body 3, a main arm body 4 is movably arranged at the top of the top machine body 3, the main arm body 4 is used for supporting, an auxiliary arm body 5 is movably arranged at the top of the main arm body 4 through a shaft, the auxiliary arm body 5 plays a role of supporting, a main hook height limiter 6 is fixed at a position close to the top inside of the auxiliary arm body 5, the main hook height limiter 6 controls the position of a main hook, an auxiliary hook height limiter 7 is arranged at a position close to the main hook height limiter 6 inside the auxiliary arm body 5, the auxiliary hook height limiter 7 plays a role of controlling an auxiliary hook, an auxiliary arm front-end junction box 8 is fixed at the top inside the auxiliary arm body 5, the auxiliary arm front end junction box 8 realizes the function of connecting a wire, and an auxiliary arm rear end winding drum 9 is movably arranged at the position close to the bottom inside the auxiliary arm body 5;

the auxiliary arm body 5 is provided with the main hook height limiter 6 and the auxiliary hook height limiter 7, and the main hook height limiter 6 and the auxiliary hook height limiter 7 respectively detect the distance between the main hook and the auxiliary hook, so that data are fed back to the host display 20, the data are detected in real time, and the practicability is high;

the wind speed sensor is characterized in that steel wire guide wheels 25 are movably arranged on two sides of the top of the main arm body 4, the steel wire guide wheels 25 are used for guiding steel wires, a second side arm 24 is movably arranged on the left side of the top of the main arm body 4, a first side arm 23 is movably arranged on the right side of the bottom of the auxiliary arm body 5, a main arm front end junction box 10 is fixed on the top of the inside of the main arm body 4, the main arm front end junction box 10 can be conveniently connected with a lead, a wind speed sensor 11 is fixed at the bottom of the main arm body 4 close to the main arm front end junction box 10, the wind speed sensor 11 can detect wind speed in the environment, a main high limit switch 13 is fixed on the right side of the inside of the main arm body 4 close to the bottom of the wind speed sensor 11, and an auxiliary arm angle sensor 12 is fixed at the position of the inside of the auxiliary arm body 5 close to the bottom;

the wind speed sensor 11 is arranged, the wind speed sensor 11 detects the wind speed in the environment, when the wind speed is detected to be overlarge, the crawler crane is stopped to be used, the angle of the auxiliary arm body 5 is detected through the auxiliary arm angle sensor 12, so that the overlarge span of the auxiliary arm body 5 is prevented, the angle of the main arm body 4 is detected through the main arm angle sensor 19, so that the overlarge span of the main arm body 4 is prevented, and the safety of the crawler crane is improved;

an auxiliary high limit switch 14 is fixed at the bottom of the inside of the main arm body 4 close to the main high limit switch 13, a top auxiliary weight sensor 15 is fixed at the left side of the inside of the main arm body 4 close to the top, a top main weight sensor 16 is fixed at the bottom of the inside of the main arm body 4 close to the top auxiliary weight sensor 15, a main arm rear end junction box 21 is fixed at the right side of the inside bottom of the main arm body 4, and a main arm angle sensor 19 is fixed at the top of the inside bottom of the main arm body 4 close to the main arm rear end junction box 21;

a main arm rear end reel 22 is fixed at the center position, close to the bottom, inside the main arm body 4, a bottom auxiliary weight sensor 18 is fixed at the bottom, close to the left side, inside the main arm body 4, and a bottom main weight sensor 17 is fixed at the top, close to the bottom auxiliary weight sensor 18, inside the main arm body 4;

the main hook height limiter 6 and the auxiliary hook height limiter 7 are connected with a terminal box 8 at the front end of the auxiliary arm through wires, the sub-arm front end junction box 8 and the sub-arm rear end winding drum 9 are connected with each other through a lead, the sub-arm front end junction box 8 is wound on the sub-arm rear end winding drum 9 through a lead and is connected to the main arm front end junction box 10, the wind speed sensor 11, the auxiliary boom angle sensor 12, the main high limit switch 13, the auxiliary high limit switch 14, the top auxiliary weight sensor 15 and the top main weight sensor 16 are connected with the main boom front end junction box 10 through leads, the bottom main weight sensor 17, the bottom auxiliary weight sensor 18, the main arm angle sensor 19 and the main display 20 are connected with the main arm rear end junction box 21 through wires, the main arm rear end junction box 21 is wound on the main arm rear end winding drum 22 through a wire and connected to the main arm front end junction box 10.

The main height limit switch 13 and the auxiliary height limit switch 14 are arranged to detect the length of the extension of the auxiliary boom body 5, so that monitoring is implemented, the danger of the crawler crane caused by the overlong extension of the main boom body 4 is prevented, and the danger of the crawler crane caused by overload is prevented by detecting the weight of the device by the aid of the top auxiliary weight sensor 15, the top main weight sensor 16, the bottom main weight sensor 17 and the bottom auxiliary weight sensor 18.

When the crawler crane is used, the sensors are respectively arranged on the main arm body 4 and the auxiliary arm body 5, the position of a main hook is detected by the main hook height limiter 6, the position of an auxiliary hook is detected by the auxiliary hook height limiter 7, the wind speed in the environment can be detected by the wind speed sensor 11, when the wind speed is detected to be too high, the crawler crane is stopped to be used, then the main high limit switch 13 and the auxiliary high limit switch 14 are arranged, the extending length of the auxiliary arm body 5 is detected, the angle of the auxiliary arm body 5 is detected by the auxiliary arm angle sensor 12, the phenomenon that the span of the auxiliary arm body 5 is too large is prevented, the angle of the main arm body 4 is detected by the main arm angle sensor 19, the phenomenon that the span of the main arm body 4 is too large is prevented, the safety of the crawler crane is improved, and the top auxiliary weight sensor 15, the top main weight sensor 16, the auxiliary weight sensor and the wind speed sensor are arranged, The weight of the device is detected by a bottom main weight sensor 17 and a bottom auxiliary weight sensor 18, the occurrence of danger caused by overload of the crawler crane is prevented, the cable can be conveniently transmitted through an auxiliary arm rear end winding drum 9 and a main arm rear end winding drum 22, the cable is prevented from being broken, various conducting wires can be conveniently connected through arranging an auxiliary arm front end junction box 8, a main arm front end junction box 10 and a main arm rear end junction box 21, a host computer display 20 adopts a horizontal integrated structure design, the product has a compact structure, the whole body is attractive, color graph display is realized, the rated load, the actual load, the amplitude, the arm length, the angle, the multiplying power, the time and the like of the crane are displayed on a display screen by graphs and Chinese characters (English) in real time, and acousto-optic alarm and automatic control are realized; the whole software is set, so that the installation and debugging method is simpler, and the data is more accurate; the multiplying power of the hoisting rope and the working modes of the main arm and the auxiliary arm are manually set; the crane 'black box' function can automatically store the working state of the crane in real time, the stored information amount reaches 30000, and first-hand data and scientific basis are provided for a user to analyze crane accidents; the product is waterproof, dampproof, lightning protection and anti-interference.

Claims (8)

1. The utility model provides a crawler crane moment limiter which characterized in that: comprises a bottom machine body (2), a rotating disc (1) is movably arranged at the center position of the top of the bottom machine body (2), the top of the rotating disc (1) is provided with a top machine body (3), a host display (20) is arranged inside the right end of the top machine body (3), a main arm body (4) is movably arranged at the top of the top machine body (3), an auxiliary arm body (5) is movably arranged at the top of the main arm body (4) through a shaft, a main hook height limiter (6) is fixed at the position close to the top inside the auxiliary arm body (5), an auxiliary hook height limiter (7) is arranged at the top part of the inner part of the auxiliary arm body (5) close to the main hook height limiter (6), the top of the inner part of the auxiliary arm body (5) is fixed with an auxiliary arm front end junction box (8), and a secondary arm rear end winding drum (9) is movably arranged at a position close to the bottom inside the secondary arm body (5).

2. A crawler crane torque limiter according to claim 1, wherein: the steel wire guide wheels (25) are movably arranged on two sides of the top of the main arm body (4), the second side arm (24) is movably arranged on the left side of the top of the main arm body (4), and the first side arm (23) is movably arranged on the right side of the bottom of the auxiliary arm body (5).

3. A crawler crane torque limiter according to claim 1, wherein: the wind-speed sensor is characterized in that a main arm front-end junction box (10) is fixed at the top inside the main arm body (4), a wind-speed sensor (11) is fixed at the bottom of the main arm body (4) close to the main arm front-end junction box (10), a main height limit switch (13) is fixed on the right side of the main arm body (4) close to the bottom of the wind-speed sensor (11), and an auxiliary arm angle sensor (12) is fixed at the position of the auxiliary arm body (5) close to the bottom.

4. A crawler crane torque limiter according to claim 3, wherein: an auxiliary high limit switch (14) is fixed at the bottom of the interior of the main arm body (4) close to the main high limit switch (13), a top auxiliary weight sensor (15) is fixed on the left side of the interior of the main arm body (4) close to the top, and a top main weight sensor (16) is fixed at the bottom of the interior of the main arm body (4) close to the top auxiliary weight sensor (15).

5. A crawler crane torque limiter according to claim 4, wherein: a main arm rear end junction box (21) is fixed on the right side of the inner bottom of the main arm body (4), and a main arm angle sensor (19) is fixed on the top of the inner bottom of the main arm body (4) close to the main arm rear end junction box (21).

6. A crawler crane torque limiter according to claim 5, wherein: a main arm rear end winding drum (22) is fixed at the center position, close to the bottom, inside the main arm body (4), a bottom auxiliary weight sensor (18) is fixed at the bottom, close to the left side, inside the main arm body (4), and a bottom main weight sensor (17) is fixed at the top, close to the bottom auxiliary weight sensor (18), inside the main arm body (4).

7. A crawler crane torque limiter according to claim 6, wherein: the main hook height limiter (6) and the auxiliary hook height limiter (7) are connected with an auxiliary arm front end junction box (8) through wires, the auxiliary arm front end junction box (8) is connected with an auxiliary arm rear end winding drum (9) through wires, and the auxiliary arm front end junction box (8) is wound on the auxiliary arm rear end winding drum (9) through wires and is connected to a main arm front end junction box (10).

8. A crawler crane torque limiter according to claim 7, wherein: the wind speed sensor (11), the auxiliary arm angle sensor (12), the main height limit switch (13), the auxiliary height limit switch (14), the top auxiliary weight sensor (15) and the top main weight sensor (16) are connected with the main arm front end junction box (10) through leads, the bottom main weight sensor (17), the bottom auxiliary weight sensor (18), the main arm angle sensor (19) and the host computer display (20) are connected with the main arm rear end junction box (21) through leads, and the main arm rear end junction box (21) is wound on the main arm rear end winding drum (22) through leads and is connected to the main arm front end junction box (10).

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