CN114873474A - Combined type weighing device with wide measuring range for spiral arm crane - Google Patents

Combined type weighing device with wide measuring range for spiral arm crane Download PDF

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Publication number
CN114873474A
CN114873474A CN202210634914.8A CN202210634914A CN114873474A CN 114873474 A CN114873474 A CN 114873474A CN 202210634914 A CN202210634914 A CN 202210634914A CN 114873474 A CN114873474 A CN 114873474A
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CN
China
Prior art keywords
weighing
weighing device
cantilever beam
combined type
arm crane
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Pending
Application number
CN202210634914.8A
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Chinese (zh)
Inventor
汪蕾
王小路
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Shangyou Tengyue Wuhan Technology Co ltd
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Shangyou Tengyue Wuhan Technology Co ltd
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Application filed by Shangyou Tengyue Wuhan Technology Co ltd filed Critical Shangyou Tengyue Wuhan Technology Co ltd
Priority to CN202210634914.8A priority Critical patent/CN114873474A/en
Publication of CN114873474A publication Critical patent/CN114873474A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • B66C17/26Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes combined with auxiliary apparatus, e.g. log saws, pushers for unloading vehicles, means for shunting railway vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/16Applications of indicating, registering, or weighing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • B66C15/06Arrangements or use of warning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/14Trolley or crane travel drives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Testing Of Balance (AREA)

Abstract

The invention discloses a weighing device for a combined type swing arm crane with a wide measuring range, which comprises a cantilever beam, a lifting device and a weighing mechanism, wherein the lifting device comprises a take-up cylinder, two ends of the take-up cylinder are respectively provided with a support frame, two ends of the take-up cylinder are respectively and fixedly connected with a rotating shaft, the take-up cylinder is arranged on the support frames through the rotating shafts, a first bearing is fixedly arranged inside the support frames, the rotating shafts are arranged inside the first bearings, the rotating shafts are rotatably connected with the support frames through the first bearings, a sling is arranged on the take-up cylinder in a surrounding mode, and the bottom end of the sling is arranged inside a connecting wheel. This wide combination formula weighing device for spiral arm crane of measuring range through setting up multiunit weighing machine structure, has solved the hoist when the jack-up, if the overweight probably causes the hoist cable to skid or even fracture, and the measuring range of weighing that has potential safety hazard and weighing device is limited, influences measuring result's problem.

Description

Combined weighing device with wide measuring range for spiral arm crane
Technical Field
The invention relates to the technical field of cranes, in particular to a weighing device with a wide measuring range for a combined type spiral arm crane.
Background
The hoisting machinery can be divided into light and small hoisting equipment, elevators, cranes, overhead monorail systems and the like according to different structures. The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The swing arm crane is also called a swing arm crane, is middle and small-sized hoisting equipment developed in recent years, has unique structure, safety and reliability, has the characteristics of high efficiency, energy conservation, time and labor conservation, flexibility and the like, can be operated randomly in three-dimensional space, and has better superiority than other conventional hoisting equipment on the occasions of section spacing and intensive transportation. Is widely used in different places of various industries.
The prior art cranes have the following problems:
1. when the crane is used for hoisting, if the load is too heavy, or the torsion exceeds the standard in the operation process, the sling can slip and even break, and great potential safety hazards exist.
2. The hoist is when the jack-up, and weighing device's weighing measurement range is limited, when bearing great or less load, all adopts the sensor of same measurement accuracy to weigh, can influence measuring result, and the wide but precision of weighing sensor measurement range on a large scale is low, and the weighing sensor precision of little measurement range is high, but the weighing range is limited, and the use has the limitation.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the weighing device for the combined type swing arm crane, which has a wide measuring range, and solves the problems that when the crane is lifted, if the load is too heavy, the sling possibly slips and even breaks, potential safety hazards exist, the weighing measuring range of the weighing device is limited, and the measuring result is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the weighing device for the combined type spiral arm crane with the wide measurement range comprises a cantilever beam, a lifting device and a weighing mechanism, wherein the lifting device comprises a wire collecting cylinder, two ends of the wire collecting cylinder are respectively provided with a support frame, and the wire collecting cylinder is used for collecting wiresBoth ends are fixedly connected with pivot respectively, it installs on the support frame through the pivot to receive a line section of thick bamboo, the inside fixed mounting of support frame has first bearing, the inside at first bearing is installed in the pivot, the pivot is passed through first bearing and is connected with the support frame rotation, it is provided with the hoist cable to encircle on receiving a line section of thick bamboo, the inside at the fifth wheel is installed to the bottom of hoist cable, the bottom fixed mounting of fifth wheel has lifting hook, its characterized in that: the lifting device is movably arranged on the cantilever beam, the moving mechanisms are respectively arranged between two sides of the lifting device and the cantilever beam, the lifting device can horizontally move at the top of the cantilever beam through the moving mechanisms, and the weighing mechanism is fixedly arranged at the top of the cantilever beam The number of the weighing mechanisms is set to be multiple groups, the multiple groups of weighing mechanisms are linearly distributed on the cantilever beam at equal intervals, a single chip microcomputer controller is fixedly installed at the bottom of the cantilever beam, and a buzzer and an indicator light are fixedly installed on one side wall of the cantilever beam;
the weighing mechanism comprises a weighing platform, side baffles are respectively and fixedly arranged on two sides of the weighing platform, a pressure sensor is fixedly arranged at the bottom of the weighing platform, a buffer mechanism is fixedly arranged between the weighing platform and the inner wall of the weighing mechanism, and the buffer mechanisms are symmetrically distributed on two sides of the weighing platform.
Preferably, a driving motor is arranged outside the rotating shaft, and the rotating shaft is driven to rotate by an external motor.
Preferably, the weighing mechanism comprises a first weighing device, a second weighing device and a third weighing device, the first weighing device, the second weighing device and the third weighing device are sequentially arranged and distributed at the top of the cantilever beam from left to right, and the weighing measurement ranges of the first weighing device, the second weighing device and the third weighing device are sequentially enlarged.
Preferably, a cushion pad is fixedly adhered to the inner wall of the side barrier.
Preferably, the buffer mechanism comprises a movable rod, a spring and a movable cavity, one end of the movable rod is fixedly connected with the outer wall of the weighing platform, the other end of the movable rod is fixedly connected with the spring, and one end of the spring is fixedly connected with the inner wall of the movable cavity.
Preferably, the moving mechanism is installed inside a groove formed in the side wall of the cantilever beam, the moving mechanism comprises a threaded rod, one end of the threaded rod is rotatably connected with the inner wall of the groove through a second bearing, the other end of the threaded rod is fixedly installed at the output end of the motor, a threaded sleeve is in threaded connection with the threaded rod, and a supporting plate is fixedly connected between the threaded sleeve and the outer wall of the supporting frame.
Preferably, the supporting plate is an Contraband-shaped plate, one end of the supporting plate is fixedly connected with the outer wall of the supporting frame, and the other end of the supporting plate is fixedly connected with the threaded sleeve.
Preferably, the top of the weighing platform is in a circular arc shape with a smooth surface.
Preferably, the signal input ends of the buzzer and the indicator lamp are respectively connected with the signal output end of the single chip microcomputer controller, and the signal output end of the pressure sensor is connected with the signal input end of the single chip microcomputer controller.
Preferably, the singlechip controller is internally provided with a data memory and a wireless communication module, and the data memory and the wireless communication module are used for being in network data connection with a remote control terminal to realize data transmission.
Advantageous effects
The invention provides a weighing device for a combined type swing arm crane, which has a wide measuring range. Compared with the prior art, the method has the following beneficial effects:
1. this wide combination formula weighing device for spiral arm crane of measuring range sets up to the multiunit through the quantity that sets up weighing mechanism, the measuring range of multiunit weighing mechanism scales up in proper order, install moving mechanism simultaneously between hoisting accessory and cantilever beam, hoisting accessory can adjust at cantilever beam top horizontal migration through moving mechanism, and then when hoisting accessory holds and hangs different weight loads, the accessible removes hoisting accessory to the weighing mechanism of different measuring range and precision on, weigh to it, improve measuring range on the one hand, improve measuring accuracy on the one hand.
2. This wide combination formula weighing device for spiral arm crane of measuring range through at weighing machine internally mounted side shield and buffer gear, can cushion the impact force that weighing platform received when hoisting accessory removes to weighing bench side to the pressure sensor of weighing platform bottom plays the guard action, causes the damage to pressure sensor's structure when avoiding hoisting accessory to remove to weighing machine side and weigh.
3. This wide combination formula weighing device for spiral arm crane of measuring range, through the lateral wall installation bee calling organ at the cantilever beam, bee calling organ and single chip microcomputer controller signal connection acquire pressure sensor's measured data through single chip microcomputer controller, when detecting hoist crane hoisting accessory overload and lift by crane, in time make the alarm suggestion through bee calling organ, inform cockpit controlgear at the very first time, avoid taking place the hoist cable fracture, reduce the potential safety hazard.
4. This wide combination formula weighing device for spiral arm crane of measurement range, through the lateral wall installation pilot lamp at the cantilever beam, pilot lamp and single chip microcomputer controller signal connection, acquire pressure sensor's measured data through single chip microcomputer controller, when detecting hoist crane device current lifting load great, when surpassing the measurement range of first group weighing mechanism, in time make light instruction to cockpit controlgear through the pilot lamp, cockpit controlgear personnel are through the starter motor, remove hoisting accessory to next a set of great scope weighing mechanism on weigh, analogize with this, improve the measurement range and the measurement accuracy of weighing mechanism to hoisting accessory.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a lifting device according to the present invention;
FIG. 3 is a partial schematic view of the present invention;
FIG. 4 is a schematic view of the internal structure of the weighing mechanism of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 according to the present invention;
FIG. 6 is a schematic diagram of the circuit connection of the pressure sensor, the buzzer, the indicator light and the single chip microcomputer controller according to the present invention.
In the figure, 1, cantilever beam; 2. a hoisting device; 21. a hook; 22. a connecting wheel; 23. a sling; 24. a take-up drum; 25. a rotating shaft; 26. a support frame; 27. a first bearing; 3. a weighing device; 31. a first weigher; 32. a second weigher; 33. a third weigher; 301. a weighing platform; 302. a side dam; 3021. a cushion pad; 303. a buffer mechanism; 3031. a movable rod; 3032. a spring; 3033. a movable cavity; 304. a pressure sensor; 4. a moving mechanism; 41. a threaded rod; 42. a second bearing; 43. a motor; 44. a threaded sleeve; 45. a support plate; 5. a single chip controller; 6. a buzzer; 7. and an indicator light.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a weighing device for a combined type swing arm crane with wide measurement range comprises a cantilever beam 1, a lifting device 2 and a weighing mechanism 3, wherein the lifting device 2 comprises a take-up drum 24, two ends of the take-up drum 24 are respectively provided with a support frame 26, two ends of the take-up drum 24 are respectively and fixedly connected with a rotating shaft 25, the take-up drum 24 is arranged on the support frames 26 through the rotating shaft 25, a first bearing 27 is fixedly arranged inside the support frames 26, the rotating shaft 25 is arranged inside the first bearing 27, the rotating shaft 25 is rotatably connected with the support frames 26 through the first bearing 27, a sling 23 is arranged on the take-up drum 24 in a surrounding manner, the bottom end of the sling 23 is arranged inside a connecting wheel 22, the bottom of the connecting wheel 22 is fixedly provided with a hook 21, the lifting device 2 is movably arranged on the cantilever beam 1, moving mechanisms 4 are respectively arranged between two sides of the lifting device 2 and the cantilever beam 1, the lifting device 2 can horizontally move on the top of the cantilever beam 1 through the moving mechanisms 4, the outside of the rotating shaft 25 is provided with a driving motor, the rotating shaft 25 is driven to rotate by the outside motor, and then the winding drum 24 is driven to rotate, so that the sling 23 on the winding drum 24 is driven to wind to lift the goods on the lifting hook 21.
In the embodiment, the weighing mechanisms 3 are fixedly arranged at the top of the cantilever beam 1, the number of the weighing mechanisms 3 is set to 3 groups, the 3 groups of weighing mechanisms 3 are linearly distributed on the cantilever beam 1 at equal intervals, each weighing mechanism 3 comprises a first weighing device 31, a second weighing device 32 and a third weighing device 33, the first weighing device 31, the second weighing device 32 and the third weighing device 33 are sequentially arranged and distributed at the top of the cantilever beam 1 from left to right, the weighing measurement ranges of the first weighing device 31, the second weighing device 32 and the third weighing device 33 are sequentially increased, the weighing range of the first weighing device 31 is 0-1000kg, the weighing range of the second weighing device 32 is 0-2000kg, and the weighing range of the third weighing device 33 is 0-3000 kg;
a singlechip controller 5 (model: Mitsubishi PLCFX2N-5A) is fixedly installed at the bottom of the cantilever beam 1, a buzzer 6 (model: FSD-4023) and an indicator light 7 (model: LTE-5041) are fixedly installed on one side wall of the cantilever beam 1, the signal input ends of the buzzer 6 and the indicator light 7 are respectively connected with the signal output end of the singlechip controller 5, the signal output end of the pressure sensor 304 is connected with the signal input end of the singlechip controller 5, the buzzer 6 is arranged on the side wall of the cantilever beam 1, the buzzer 6 is in signal connection with the single chip microcomputer controller 5, the single chip microcomputer controller 5 is used for acquiring the measurement data of the pressure sensor 304, when detecting that the crane hoisting device 2 is overloaded for hoisting, the buzzer 6 can give an alarm prompt in time, the control personnel of the cockpit are informed at the first time, the sling 23 is prevented from being broken, and potential safety hazards are reduced; the method comprises the steps that an indicator light 7 is installed on the side wall of a cantilever beam 1, the indicator light 7 is in signal connection with a single chip microcomputer controller 5, measurement data of a pressure sensor 304 are obtained through the single chip microcomputer controller 5, when the current hoisting load of a crane hoisting device 2 is detected to be large and exceeds the measurement range of a first group of weighing mechanisms 3, light indication is timely made to a cockpit control worker through the indicator light 7, the cockpit control worker moves the hoisting device 2 to the next group of weighing mechanisms 3 with a large range through starting a motor 43 for weighing, and the like, so that the measurement range and the measurement precision of the hoisting device 2 by the weighing mechanisms 3 are improved;
the weighing mechanism 3 comprises a weighing platform 301, side baffles 302 are respectively and fixedly arranged on two sides of the weighing platform 301, a pressure sensor 304 (model: RPT8114-A-05-0400-G (000)) is fixedly arranged at the bottom of the weighing platform 301, a signal output end of the pressure sensor 304 is connected with a signal input end of the single chip microcomputer controller 5, a buffer mechanism 303 is fixedly arranged between the weighing platform 301 and the inner wall of the weighing mechanism 3, the buffer mechanisms 303 are symmetrically distributed on two sides of the weighing platform 301, and the buffer mechanism 303 can buffer the impact force on the weighing platform 301 when the lifting device 2 moves to the position above the weighing platform 301, so that the pressure sensor 304 at the bottom of the weighing platform 301 plays a role in protection, and the damage to the structure of the pressure sensor 304 when the lifting device 2 moves to the position above the weighing mechanism 3 for weighing is avoided;
a cushion pad 3021 is fixedly adhered to the inner wall of the side baffle 302, so that the impact force applied to the weighing platform 301 when the lifting device 2 moves above the weighing platform 301 can be buffered;
the buffer mechanism 303 comprises a movable rod 3031, a spring 3032 and a movable cavity 3033, one end of the movable rod 3031 is fixedly connected with the outer wall of the weighing platform 301, the other end of the movable rod 3032 is fixedly connected with the spring 3032, one end of the spring 3032 is fixedly connected with the inner wall of the movable cavity 3033, the movable rod 3031 moves left and right in the movable cavity 3033 through the compression spring 3032, and when the lifting device 2 moves above the weighing platform 301, the weighing platform 301 buffers horizontal force when fluctuating along with the jolt;
the moving mechanism 4 is installed inside a groove formed in the side wall of the cantilever beam 1, the moving mechanism 4 comprises a threaded rod 41, one end of the threaded rod 41 is rotatably connected with the inner wall of the groove through a second bearing 42, the other end of the threaded rod is fixedly installed at the output end of a motor 43, a threaded sleeve 44 is in threaded connection with the threaded rod 41, a supporting plate 45 is fixedly connected between the threaded sleeve 44 and the outer wall of the supporting frame 26, the supporting plate 45 is an Contraband-shaped plate, one end of the supporting plate is fixedly connected with the outer wall of the supporting frame 26, the other end of the supporting plate is fixedly connected with the threaded sleeve 44, the motor 43 drives the threaded rod 41 to rotate through electric power, and is in threaded transmission connection with the threaded rod 41 through the threaded sleeve 44 to drive the threaded sleeve 44 to move horizontally so as to drive the lifting device 2 connected with the supporting plate 45 to move horizontally;
the top of the weighing platform 301 is arc-shaped with a smooth surface, so that the impact on the pressure sensor 304 when the lifting device 2 moves above the weighing mechanism 3 can be relieved.
The single chip microcomputer controller 5 is internally provided with a data memory and a wireless communication module, and is used for being connected with a remote control terminal through network data, so that data transmission is realized, and drivers can visually check weighing data conveniently.
When in work, the number of the weighing mechanisms 3 is set into a plurality of groups, the measuring ranges of the weighing mechanisms 3 are sequentially increased, meanwhile, a moving mechanism 4 is arranged between the lifting device 2 and the cantilever beam 1, the lifting device 2 can be horizontally moved and adjusted on the top of the cantilever beam 1 through the moving mechanism 4, when the hoisting device 2 is used for hoisting loads with different weights, the hoisting device 2 can be moved to the weighing mechanisms 3 with different measuring ranges and precisions, the lifting device 2 is weighed, when the lifting device is moved to the position above the weighing mechanism 3 for weighing, by installing the side baffle 302 and the buffer mechanism 303 in the weighing mechanism 3, the impact force received by the weighing platform 301 when the lifting device 2 moves above the weighing platform 301 can be buffered, therefore, the pressure sensor 304 at the bottom of the weighing platform 301 plays a role in protection, and the damage to the structure of the pressure sensor 304 when the lifting device 2 moves to the position above the weighing mechanism 3 for weighing is avoided; the method comprises the following steps that a buzzer 6 is arranged on the side wall of a cantilever beam 1, the buzzer 6 is in signal connection with a single chip microcomputer controller 5, when a weighing mechanism 3 is used for weighing, the single chip microcomputer controller 5 is used for obtaining measurement data of a pressure sensor 304, when the crane hoisting device 2 is detected to be overloaded for hoisting, an alarm prompt is timely made through the buzzer 6, a control person in a cockpit is informed at the first time, the situation that a sling 23 is broken is avoided, and potential safety hazards are reduced; still install pilot lamp 7 at the lateral wall of cantilever beam 1, pilot lamp 7 and 5 signal connection of singlechip controller, acquire pressure sensor 304's measured data through singlechip controller 5, when detecting hoist crane 2 current lifting load great, when surpassing the measuring range of first group weighing mechanism 3, in time make light instruction to cockpit control personnel through pilot lamp 7, cockpit control personnel pass through starter motor 43, it weighs to remove hoist crane 2 to next group on the great scope weighing mechanism 3, so on, improve the measuring range and the measurement accuracy of weighing mechanism 3 to hoist crane 2.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The weighing device for the combined type swing arm crane with the wide measuring range comprises a cantilever beam (1), a lifting device (2) and a weighing mechanism (3), wherein the lifting device (2) comprises a wire collecting cylinder (24), support frames (26) are respectively arranged at two ends of the wire collecting cylinder (24), rotating shafts (25) are respectively and fixedly connected with two ends of the wire collecting cylinder (24), the wire collecting cylinder (24) is installed on the support frames (26) through the rotating shafts (25), first bearings (27) are fixedly installed inside the support frames (26), the rotating shafts (25) are installed inside the first bearings (27), the rotating shafts (25) are rotatably connected with the support frames (26) through the first bearings (27), slings (23) are arranged on the wire collecting cylinder (24) in a winding mode, the bottom ends of the slings (23) are installed inside connecting wheels (22), lifting hooks (21) are fixedly installed at the bottoms of the connecting wheels (22), the method is characterized in that: the lifting device (2) is movably mounted on the cantilever beam (1), moving mechanisms (4) are respectively arranged between two sides of the lifting device (2) and the cantilever beam (1), the lifting device (2) can horizontally move at the top of the cantilever beam (1) through the moving mechanisms (4), and the weighing mechanism (3) is fixedly mounted at the top of the cantilever beam (1) Of said weighing means (3)The weighing device is characterized in that the number of the weighing devices is multiple groups, the multiple groups of weighing mechanisms (3) are linearly distributed on the cantilever beam (1) at equal intervals, a single chip microcomputer controller (5) is fixedly installed at the bottom of the cantilever beam (1), and a buzzer (6) and an indicator light (7) are fixedly installed on one side wall of the cantilever beam (1);
the weighing mechanism (3) comprises a weighing platform (301), side baffles (302) are fixedly mounted on two sides of the weighing platform (301) respectively, a pressure sensor (304) is fixedly mounted at the bottom of the weighing platform (301), a buffer mechanism (303) is fixedly mounted between the weighing platform (301) and the inner wall of the weighing mechanism (3), and the buffer mechanism (303) is symmetrically distributed on two sides of the weighing platform (301).
2. The weighing device for the combined type swing arm crane with wide measurement range according to claim 1, wherein: the rotating shaft (25) is externally provided with a driving motor, and the rotating shaft (25) is driven to rotate through an external motor.
3. The weighing apparatus of claim 1, wherein the weighing apparatus has a wide measurement range, and comprises: the weighing mechanism (3) comprises a first weighing device (31), a second weighing device (32) and a third weighing device (33), the first weighing device (31), the second weighing device (32) and the third weighing device (33) are sequentially arranged at the top of the cantilever beam (1) from left to right, and the weighing measurement ranges of the first weighing device (31), the second weighing device (32) and the third weighing device (33) are sequentially enlarged.
4. The weighing device for the combined type swing arm crane with wide measurement range according to claim 1, wherein: a cushion pad (3021) is fixedly adhered to the inner wall of the side baffle (302).
5. The weighing apparatus of claim 1, wherein the weighing apparatus has a wide measurement range, and comprises: the buffer mechanism (303) comprises a movable rod (3031), a spring (3032) and a movable cavity (3033), one end of the movable rod (3031) is fixedly connected with the outer wall of the weighing platform (301), the other end of the movable rod is fixedly connected with the spring (3032), and one end of the spring (3032) is fixedly connected with the inner wall of the movable cavity (3033).
6. The weighing device for the combined type swing arm crane with wide measurement range according to claim 1, wherein: the moving mechanism (4) is installed inside a groove formed in the side wall of the cantilever beam (1), the moving mechanism (4) comprises a threaded rod (41), one end of the threaded rod (41) is rotatably connected with the inner wall of the groove through a second bearing (42), the other end of the threaded rod is fixedly installed at the output end of a motor (43), a threaded sleeve (44) is connected to the threaded rod (41) in a threaded mode, and a supporting plate (45) is fixedly connected between the threaded sleeve (44) and the outer wall of the supporting frame (26).
7. The weighing device for the combined type swing arm crane with wide measurement range according to claim 6, wherein: the supporting plate (45) is a v-21274h-shaped plate, one end of the supporting plate is fixedly connected with the outer wall of the supporting frame (26), and the other end of the supporting plate is fixedly connected with the threaded sleeve (44).
8. The weighing device for the combined type swing arm crane with wide measurement range according to claim 1, wherein: the top of the weighing platform (301) is in a circular arc shape with a smooth surface.
9. The weighing device for the combined type swing arm crane with wide measurement range according to claim 1, wherein: the signal input ends of the buzzer (6) and the indicator lamp (7) are respectively connected with the signal output end of the single chip microcomputer controller (5), and the signal output end of the pressure sensor (304) is connected with the signal input end of the single chip microcomputer controller (5).
10. The weighing device for the combined type swing arm crane with wide measurement range according to claim 1, wherein: and a data memory and a wireless communication module are arranged in the single chip microcomputer controller (5) and are used for being in network data connection with a remote control terminal to realize data transmission.
CN202210634914.8A 2022-06-06 2022-06-06 Combined type weighing device with wide measuring range for spiral arm crane Pending CN114873474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210634914.8A CN114873474A (en) 2022-06-06 2022-06-06 Combined type weighing device with wide measuring range for spiral arm crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210634914.8A CN114873474A (en) 2022-06-06 2022-06-06 Combined type weighing device with wide measuring range for spiral arm crane

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Publication Number Publication Date
CN114873474A true CN114873474A (en) 2022-08-09

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