CN110885010A - Three-telescopic-rod double-beam bridge crane and anti-deviation device - Google Patents
Three-telescopic-rod double-beam bridge crane and anti-deviation device Download PDFInfo
- Publication number
- CN110885010A CN110885010A CN201911375148.2A CN201911375148A CN110885010A CN 110885010 A CN110885010 A CN 110885010A CN 201911375148 A CN201911375148 A CN 201911375148A CN 110885010 A CN110885010 A CN 110885010A
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- CN
- China
- Prior art keywords
- telescopic
- fixed
- bridge crane
- beams
- beam bridge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
- B66C13/30—Circuits for braking, traversing, or slewing motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/16—Travelling gear incorporated in or fitted to trolleys or cranes with means for maintaining alignment between wheels and track
Abstract
The invention discloses a three-telescopic-rod double-beam bridge crane and an anti-deviation device, belongs to the technical field of engineering equipment, and relates to a crane. A three-telescopic-rod double-beam bridge crane and an anti-deviation device comprise telescopic rigid rods, clamps, clamp fixing seats, electric hoists, cross beams, longitudinal beams and a movable trolley; the longitudinal beams are two L-shaped longitudinal beams which are symmetrically arranged, wherein the vertical beam is provided with a convex rail; the number of the cross beams is two, and concave wheels are respectively arranged at two ends of each cross beam; the two beams are slidably arranged between the two longitudinal beams through concave wheels, and the moving trolley is arranged on the two beams; the top end of the telescopic rigid rod is fixed below the moving trolley, the tail end of the telescopic rigid rod is fixed on the fixture fixing seat, and the electric hoist is fixed on the moving trolley; one end of a steel wire rope of the electric hoist is fixed on a winding drum of the electric hoist, and the other end of the steel wire rope is fixed on the fixture fixing seat. The method for detecting the rail gnawing adjustment offset has strong timeliness and high accuracy, and can improve the lifting speed and stability of goods.
Description
Technical Field
The invention belongs to the technical field of engineering equipment, relates to a crane, and particularly relates to a three-telescopic-rod double-beam bridge crane and an anti-deviation device.
Background
The bridge crane is a hoisting device which is transversely erected above workshops, warehouses and stockyards to hoist materials, and is a hoisting machine with the widest application range and the largest quantity at present. The two ends of the bridge crane are positioned on a high cement column or a metal support, and when the bridge crane runs, the bridge crane runs longitudinally along the rails laid on the elevated frames on the two sides, so that the space below the bridge crane can be fully utilized to hoist materials without being hindered by ground equipment.
The bridge crane is divided into a single-beam bridge crane and a double-beam bridge crane. The existing double-beam bridge crane generally has the following defects: (1) when the goods are lifted, the goods are mostly lifted along the vertical direction through a plurality of strands of lifting ropes, so that the goods are easy to shake during transportation and unstable in lifting; (2) the load on the lifting rope is large, and certain potential safety hazards exist; (3) the phenomenon of rail gnawing in different degrees commonly exists, and the rail gnawing can cause the wheel rim of the crane locomotive and the side surface of the rail to be worn, and even derailment accidents happen in severe cases.
In order to overcome the defects in the prior art, the invention develops a three-telescopic-rod double-beam bridge crane and an anti-deviation device.
Disclosure of Invention
The invention aims to provide a three-telescopic-rod double-beam bridge crane and an anti-deviation device, and aims at achieving the purposes of high cargo lifting speed, high stability and anti-deviation.
The invention is realized by the following technical scheme:
a three-telescopic-rod double-beam bridge crane and an anti-deviation device comprise telescopic rigid rods, clamps, clamp fixing seats, electric hoists, cross beams, longitudinal beams and a movable trolley;
the longitudinal beams are two L-shaped longitudinal beams which are symmetrically arranged, wherein the vertical beam of the L-shaped longitudinal beam is provided with a convex rail;
the two cross beams are provided with concave wheels meshed with the convex rails at two ends respectively;
the two cross beams are slidably arranged between the two longitudinal beams through concave wheels, and the moving trolley is arranged on the two cross beams;
the top end of the telescopic rigid rod is fixed below the moving trolley, the tail end of the telescopic rigid rod is fixed on the fixture fixing seat, and the electric hoist is fixed on the moving trolley;
one end of a steel wire rope of the electric hoist is fixed on a winding drum of the electric hoist, and the other end of the steel wire rope is fixed on the fixture fixing seat.
Further, retractable rigidity pole be three, it is fixed to be equilateral triangle, the top is fixed on removing the dolly, the end is fixed on the anchor clamps fixing base, three telescopic links are equilateral triangle cloth promptly, the telescopic link can stretch out and draw back at the promotion in-process, wire rope fixing device is installed to the centre, utilizes electric block to drive wire rope and makes the telescopic link carry out concertina movement promoting the in-process like this, utilizes the characteristic of rigidity pole to solve the goods and rocks the problem.
The telescopic rigid rods are light rigid pipes and are divided into 3-6 sections, the length of each section is equal, and each telescopic rigid rod is provided with 3-6 lubricating oil holes.
Supporting wheels are respectively arranged below two ends of each cross beam, and the bottom ends of the supporting wheels are fixed on the transverse beam of the L-shaped longitudinal beam so as to relieve the bearing pressure of the concave wheels and the convex rails and enhance the running stability.
The concave wheel is an elastic concave wheel, and the convex rail and the elastic concave wheel form a mechanical anti-deflection device.
The pressure sensing assemblies are symmetrically arranged on the convex rails of the two symmetrically-installed L-shaped longitudinal beams respectively, wherein the number of the pressure sensing assemblies is more than 1 pair, and the pressure sensing assemblies are specifically determined according to the length of the L-shaped longitudinal beams.
The clamp is connected with the clamp fixing seat through a rotary steering engine, so that the goods can be lifted and can rotate 360 degrees.
The moving trolley is provided with a driving motor, an offset calculating device, an offset correcting device and an alarming device, the offset calculation device comprises a receiver and a calculator, the offset correction device comprises a controller and a frequency converter, the receiver is electrically connected with the pressure sensing component, the calculator is respectively electrically connected with the receiver and the controller, the controller is connected with a frequency converter and an electric motor of the alarm device, the frequency converter is electrically connected with the driving motor, the receiver is electrically connected with the pressure sensing component when the system runs, used for receiving the pressure value measured by the pressure sensing component, the calculator compares the measured pressure value with the original pressure, calculating offset according to formula, calculating the rotation speed of the driving motor according to the offset, and receiving the calculated rotation speed of the motor by the controller, and the frequency converter is controlled to adjust the rotating speed of the driving motor so as to adjust the offset between the frame of the bridge crane and the track.
When the invention is installed, two L-shaped longitudinal beams which are symmetrically installed can be installed on two side walls of a workshop according to actual working conditions, and can also be installed on four fixed end beams; the telescopic rigid rods are preferably three, are arranged on the mobile trolley in an equilateral triangle shape, the other side of the telescopic rigid rods is arranged on the fixture fixing device, the telescopic rods are made of rigid materials with light weight, the telescopic rods can be divided into 3-6 sections according to actual working conditions, the length of each section is equal, and each rod is provided with at least 3 lubricating oil holes; a rotary steering engine is arranged below the fixture fixing seat, the fixture can rotate 360 degrees, a fixture is arranged below the rotary steering engine, and the fixture can be replaced according to different working conditions; the pressure sensing assemblies are symmetrically arranged and used for detecting the pressure of the L-shaped longitudinal beam side convex rail and four elastic concave wheels at the top end of the crane frame, the offset calculating device and the offset correcting device are used for receiving pressure values measured by the pressure sensing assemblies, comparing the measured pressure values with original pressure, calculating the offset according to a formula, calculating the rotating speed of the driving motor according to the offset, and controlling the driving motor to operate through the offset correcting device.
According to the invention, the vertical sliding track is arranged between the two groups of longitudinal beams and the two groups of cross beams, the four pairs of concave-convex wheel tracks are arranged on the side surface to form the sideslip prevention device, and meanwhile, the purposes of detecting whether the rail gnawing occurs at any time and rapidly adjusting the offset between the frame of the bridge crane and the track are achieved through the pressure sensing, offset calculation and correction devices.
Compared with the prior art, the method has the advantages that the timeliness for detecting the rail gnawing adjustment offset is strong, the accuracy is high, the cargo lifting speed and the stability can be improved, and the guarantee is provided for preventing sideslip.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic diagram of the operation of the offset calculating means and the offset correcting means of the present invention.
In the figure: 1-longitudinal beam, 2-cross beam, 3-mobile trolley, 4-telescopic rigid rod, 5-fixture fixing seat, 6-fixture, 7-convex rail, 8-concave wheel, 9-supporting wheel, 10-electric block, 11-winding drum, 12-steel wire rope and 13-rotary steering engine.
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.
As shown in fig. 1 and 2, the three-telescopic-rod double-beam bridge crane and the anti-deviation device comprise a telescopic rigid rod 4, a clamp 6, a clamp fixing seat 5, an electric hoist 10, a cross beam 2, a longitudinal beam 1 and a movable trolley 3;
the longitudinal beams 1 are two L-shaped longitudinal beams which are symmetrically arranged, wherein the vertical beam of the L-shaped longitudinal beam is provided with a convex rail 7; the two cross beams 2 are provided, and concave wheels 8 meshed with the convex rails 7 are respectively arranged at two ends of each cross beam; the two cross beams 2 are slidably arranged between the two longitudinal beams 1 through concave wheels 8, and the moving trolley 3 is arranged on the two cross beams 2; the top end of the telescopic rigid rod 4 is fixed below the moving trolley 3, the tail end of the telescopic rigid rod is fixed on the clamp fixing seat 5, and the electric hoist 10 is fixed on the moving trolley 3; one end of a steel wire rope 12 of the electric hoist 10 is fixed on a winding drum 11 of the electric hoist 10, and the other end of the steel wire rope is fixed on the fixture fixing seat 5.
In specific implementation, the number of the telescopic rigid rods 4 is three, the telescopic rigid rods are fixed in an equilateral triangle shape, each telescopic rigid rod is a light rigid pipe and is divided into 3-6 sections, the length of each section is equal, and 3-6 lubricating oil holes are formed in each section.
In order to relieve the bearing pressure of the concave wheels and the convex rails and enhance the running stability, supporting wheels 9 are respectively arranged below two ends of each cross beam 2, and the bottom ends of the supporting wheels 9 are fixed on the transverse beams of the L-shaped longitudinal beams 1; the concave wheel 8 is an elastic concave wheel, and pressure sensing components are symmetrically arranged on the convex rail and the elastic concave wheel; the fixture fixing seat is additionally provided with a rotary steering engine 13, and the fixture fixing seat is connected with a replaceable fixture through the rotary steering engine 13.
In order to improve the automation degree and the stability of the operation, the moving trolley is provided with a driving motor, an offset calculating device, an offset correcting device and an alarming device, the offset calculation device comprises a receiver and a calculator, the offset correction device comprises a controller and a frequency converter, the receiver is electrically connected with the pressure sensing component, the calculator is respectively electrically connected with the receiver and the controller, the controller is connected with a frequency converter and an electric motor of the alarm device, the frequency converter is electrically connected with the driving motor, the receiver is electrically connected with the pressure sensing component when the system runs, used for receiving the pressure value measured by the pressure sensing component, the calculator compares the measured pressure value with the original pressure, calculating offset according to formula, calculating the rotation speed of the driving motor according to the offset, and receiving the calculated rotation speed of the motor by the controller, and the frequency converter is controlled to adjust the rotating speed of the driving motor so as to adjust the offset between the frame of the bridge crane and the track.
Claims (8)
1. A three-telescopic-rod double-beam bridge crane and an anti-deviation device are characterized by comprising telescopic rigid rods, clamps, clamp fixing seats, electric hoists, cross beams, longitudinal beams and a movable trolley;
the longitudinal beams are two L-shaped longitudinal beams which are symmetrically arranged, wherein the vertical beam of the L-shaped longitudinal beam is provided with a convex rail;
the two cross beams are provided with concave wheels meshed with the convex rails at two ends respectively;
the two cross beams are slidably arranged between the two longitudinal beams through concave wheels, and the moving trolley is arranged on the two cross beams;
the top end of the telescopic rigid rod is fixed below the moving trolley, the tail end of the telescopic rigid rod is fixed on the fixture fixing seat, and the electric hoist is fixed on the moving trolley;
one end of a steel wire rope of the electric hoist is fixed on a winding drum of the electric hoist, and the other end of the steel wire rope is fixed on the fixture fixing seat.
2. The three-telescopic-rod double-beam bridge crane and the deviation preventing device as claimed in claim 1, wherein the number of the telescopic rigid rods is three, the telescopic rigid rods are fixed in an equilateral triangle shape, the top ends of the telescopic rigid rods are fixed on the moving trolley, and the tail ends of the telescopic rigid rods are fixed on the fixture fixing seat.
3. The three-telescopic-rod double-beam bridge crane and the deviation preventing device as claimed in claim 1 or 2, wherein the telescopic rigid rods are light rigid pipes and are divided into 3-6 sections, the length of each section is equal, and each telescopic rigid rod is provided with 3-6 lubricating oil holes.
4. The three-telescopic-rod double-beam bridge crane and the deviation preventing device as claimed in claim 1 or 2, wherein support wheels are respectively arranged below two ends of each cross beam, and the bottom ends of the support wheels are fixed on the transverse beams of the L-shaped longitudinal beams.
5. The three-telescopic-rod double-beam bridge crane and the deviation preventing device as claimed in claim 1 or 2, wherein the concave wheels are elastic concave wheels, and the convex rails and the elastic concave wheels form a mechanical deviation preventing device.
6. The three-telescopic-rod double-beam bridge crane and the deviation preventing device as claimed in claim 1 or 2, wherein the convex rails of the two symmetrically-installed L-shaped longitudinal beams are respectively and symmetrically provided with pressure sensing assemblies, wherein the number of the pressure sensing assemblies is more than 1.
7. The three-telescopic-rod double-beam bridge crane and the deviation preventing device as claimed in claim 1 or 2, wherein the clamp is connected with the clamp fixing seat through a rotary steering engine.
8. The three-telescopic-rod double-beam bridge crane and the deviation preventing device as claimed in claim 1 or 2, wherein the moving trolley is provided with a driving motor, a deviation calculating device, a deviation correcting device and an alarming device, the deviation calculating device comprises a receiver and a calculator, the deviation correcting device comprises a controller and a frequency converter, the receiver is electrically connected with the pressure sensing assembly, the calculator is electrically connected with the receiver and the controller respectively, the controller is electrically connected with the frequency converter and the alarming device electric motor, and the frequency converter is electrically connected with the driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375148.2A CN110885010A (en) | 2019-12-27 | 2019-12-27 | Three-telescopic-rod double-beam bridge crane and anti-deviation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375148.2A CN110885010A (en) | 2019-12-27 | 2019-12-27 | Three-telescopic-rod double-beam bridge crane and anti-deviation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110885010A true CN110885010A (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911375148.2A Pending CN110885010A (en) | 2019-12-27 | 2019-12-27 | Three-telescopic-rod double-beam bridge crane and anti-deviation device |
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| CN (1) | CN110885010A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623950A (en) * | 2020-11-20 | 2021-04-09 | 浙江海潮起重机械有限公司 | Efficient explosion-proof bridge crane |
| CN112701213A (en) * | 2020-12-22 | 2021-04-23 | 杭州华新机电工程有限公司 | Preparation method of PVDF piezoelectric induction film, piezoelectric sensor and application of piezoelectric sensor in rail gnawing of crane |
| CN113200450A (en) * | 2021-03-19 | 2021-08-03 | 厦门大学 | Gauge and wheel pressure self-adaptive rail gnawing prevention walking device |
| CN113636470A (en) * | 2021-10-14 | 2021-11-12 | 南通锴益机械科技发展有限公司 | Safe type mine is opened and is adopted building stones hoisting apparatus |
-
2019
- 2019-12-27 CN CN201911375148.2A patent/CN110885010A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623950A (en) * | 2020-11-20 | 2021-04-09 | 浙江海潮起重机械有限公司 | Efficient explosion-proof bridge crane |
| CN112701213A (en) * | 2020-12-22 | 2021-04-23 | 杭州华新机电工程有限公司 | Preparation method of PVDF piezoelectric induction film, piezoelectric sensor and application of piezoelectric sensor in rail gnawing of crane |
| CN113200450A (en) * | 2021-03-19 | 2021-08-03 | 厦门大学 | Gauge and wheel pressure self-adaptive rail gnawing prevention walking device |
| CN113636470A (en) * | 2021-10-14 | 2021-11-12 | 南通锴益机械科技发展有限公司 | Safe type mine is opened and is adopted building stones hoisting apparatus |
| CN113636470B (en) * | 2021-10-14 | 2021-12-07 | 南通锴益机械科技发展有限公司 | Safe type mine is opened and is adopted building stones hoisting apparatus |
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