CN108277740A - A kind of bridge machinery vehicle working bench load transfinites protective device and its control method - Google Patents
A kind of bridge machinery vehicle working bench load transfinites protective device and its control method Download PDFInfo
- Publication number
- CN108277740A CN108277740A CN201810053735.9A CN201810053735A CN108277740A CN 108277740 A CN108277740 A CN 108277740A CN 201810053735 A CN201810053735 A CN 201810053735A CN 108277740 A CN108277740 A CN 108277740A
- Authority
- CN
- China
- Prior art keywords
- workbench
- load
- lead screw
- support plate
- transfinites
- Prior art date
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
Abstract
It transfinites protective device the invention discloses a kind of bridge machinery vehicle working bench load, including promoting tower, workbench and protective frame, the bottom for promoting tower is fixed with mounting base, the side of mounting base is movably installed with workbench by shaft, and it is all fixed by the bracket at the both sides of the edge position at the top of workbench and is supported by protective frame, protective frame is internally provided with sliding slot, and one end far from mounting base is fixed with support plate at the top of workbench, top on the outside of support plate is equipped with driving motor by bolt, the output end of the driving motor is through support plate and is fixedly connected with lead screw, drive block is movably installed on lead screw, the bottom of drive block is equipped with the sliding block to match with sliding slot.The supporting point of the real-time monitoring platform of the present invention, accurate monitoring work platform load-carrying strictly prevent workbench load-carrying from transfiniting, and prevent phenomena such as platform is broken, and ensure the person and equipment safety.
Description
Technical field
The present invention relates to engineering machinery high-altitude working safety technical field, specially a kind of bridge machinery vehicle working bench load
The protective device that transfinites and its control method.
Background technology
Bridge inspection vehicle is most important equipment in current highway bridge Measuring error, it is capable of providing the load flexibly moved
People's platform facilitates personnel to carry out comprehensive maintenance to bridge.
But the case where bridge inspection vehicle overloads in actual use, happens occasionally, and causes platform to fall and equal seriously shows
As occurring, a kind of effective device of urgent need or measure prevent bridge inspection vehicle from overloading, and ensure man-machine safety.Existing highway bridge detects vehicle
Overload protection mainly by two parallel web members of workbench install weighing sensor gathered data, with setting
Full value and overload value are compared, and display alarm is carried out.The prior art fails the stress point of detection platform load, cannot
Platform real load situation can be accurately reflected according to the different location where load.
Invention content
It transfinites protective device the purpose of the present invention is to provide a kind of bridge machinery vehicle working bench load, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of bridge machinery vehicle working bench load transfinites guarantor
Protection unit, including tower, workbench and protective frame are promoted, described one end for promoting tower is equipped with retractable cable motor by bolt,
And the side for promoting tower is equipped with drum by A-frame, and the output end of retractable cable motor passes through the driving of chain and drum
Gear is fixedly connected, and steel wire rope is wound on the drum, and the one end of steel wire rope far from drum is fixedly connected with pulling force sensor,
And the other end of pulling force sensor is fixedly connected with hook, the bottom for promoting tower is fixed with mounting base, the side of mounting base
It is movably installed with workbench by shaft, and the bottom of mounting base is equipped with expansion oil cylinder, the output end and work of oil cylinder is unfolded
It is fixedly connected as platform, is all fixed by the bracket at the both sides of the edge position at the top of the workbench and is supported by protective frame, prevented
Retaining frame is internally provided with sliding slot, and one end far from mounting base is fixed with support plate at the top of workbench, the top on the outside of support plate
Portion is equipped with driving motor by bolt, and the output end of the driving motor through support plate and is fixedly connected with lead screw, lead screw
On be movably installed with drive block, and the top of drive block is equipped with the fixed ring to match with hook, the bottom of drive block be equipped with
The sliding block that sliding slot matches is separately installed with the first mounting plate and the second mounting plate on the workbench on the inside of the protective frame,
And first mounting plate and the second mounting plate opposite side infrared emittance and infrared remote receiver are uniformly installed respectively.
Preferably, audible-visual annunciator is installed in the support plate below the driving motor.
Preferably, one end far from support plate is equipped with the supporting block to match with lead screw at the top of the protective frame.
Preferably, the center position of the drive block is equipped with the through-hole to match with lead screw, and the inside of through-hole is equipped with
The internal thread to match with lead screw external screw thread.
Preferably, the infrared emittance and infrared remote receiver correspond.
A kind of bridge machinery vehicle working bench load transfinites the control method of protective device, includes the following steps,
1) workbench is unfolded by the way that oil cylinder is unfolded, and hook is fixedly connected with fixed ring 13, by flat in work
The position of the personnel's distance promotion tower of monitoring in real time is capable of in the mutual cooperation of the infrared emittance and infrared remote receiver installed on platform
It sets, the supporting point of real-time monitoring platform；
2) by the real-time monitoring platform load of pulling force sensor, meanwhile, driving motor drives lead screw rotation, to band
Dynamic mutual cooperation of the drive block by sliding block and sliding slot, the mobile adjusting position at the top of protective frame, realizes that drive block can be according to drawing
The pulling force signal that force snesor transmits adjusts the length of stress point and stress torque, needs the load for adjusting workbench；
3) when drive block is moved to top of the lead screw close to driving motor, the signal that pulling force sensor transmits still exceeds full
When load value, audible-visual annunciator sends out alarm and cuts off workbench power supply by relay, strictly prevents workbench load-carrying super
Limit.
Compared with prior art, the beneficial effects of the invention are as follows：The bridge detection vehicle working platform overload protective device, is carrying
It rises the steel wire rope top wound on the side drum of tower and hook is fixedly connected with by pulling force sensor, be arranged with drive block top
Fixed ring be detachably connected, using the real-time monitoring platform load of pulling force sensor, in addition, drive block is slidably installed by sliding block
In the sliding slot that protective frame is internally provided with, under the action of lead screw so that the pulling force that drive block can be transmitted according to pulling force sensor
Signal adjusts the length of stress point and stress torque, adjusts the load of workbench as needed, easy to use, works as driving
Block is moved to screw mandrel top, and when the signal that pulling force sensor transmits still exceeds full value, audible-visual annunciator, which is sent out, to be alarmed and lead to
Relay cut-out workbench power supply is crossed, the present invention is uniformly equipped with infrared hair respectively by the opposite side in workbench
Raw device and infrared remote receiver are capable of the position of the personnel's distance promotion tower of monitoring in real time, the load-bearing of real-time monitoring platform
Point, accurate monitoring work platform load-carrying, strictly prevents workbench load-carrying from transfiniting, and prevents phenomena such as platform is broken, and ensures
The person and equipment safety.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the partial structural diagram of the present invention；
Fig. 3 is the workbench overlooking structure diagram of the present invention.
In figure：Oil cylinder is unfolded in 1-；2- shafts；3- mounting bases；4- supporting blocks；5- retractable cable motors；6- promotes tower；7- triangles
Holder；8- drums；9- steel wire ropes；10- drive blocks；11- pulling force sensors；12- is linked up with；13- fixed rings；14- lead screws；15- is anti-
Retaining frame；16- support plates；17- driving motors；18- audible-visual annunciators；19- workbenches；20- through-holes；21- sliding slots；22- sliding blocks；
23- infrared emittances；The first mounting plates of 24-；25- infrared remote receivers；The second mounting plates of 26-.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of embodiment provided by the invention：A kind of bridge machinery vehicle working bench load transfinites protection dress
It sets, including promotes tower 6, workbench 19 and protective frame 15, the one end for promoting tower 6 is equipped with retractable cable motor 5 by bolt, and
The side for promoting tower 6 is equipped with drum 8 by A-frame 7, and the output end of retractable cable motor 5 passes through chain and drum 8
Driving gear is fixedly connected, and steel wire rope 9 is wound on drum 8, and the one end of steel wire rope 9 far from drum 8 is fixedly connected with pulling force biography
Sensor 11, and the other end of pulling force sensor 11 is fixedly connected with hook 12, the bottom for promoting tower 6 is fixed with mounting base 3, installs
The side of seat 3 is movably installed with workbench 19 by shaft 2, and the bottom of mounting base 3 is equipped with expansion oil cylinder 1, expansion oil
The output end of cylinder 1 is fixedly connected with workbench 19, is all fixed by the bracket at the both sides of the edge position at 19 top of workbench
It is supported by protective frame 15, protective frame 15 is internally provided with sliding slot 21, and 19 one end of top far from mounting base 3 of workbench is fixed
There are support plate 16, the top in 16 outside of support plate that driving motor 17, the support plate of 17 lower section of driving motor are installed by bolt
Audible-visual annunciator 18 is installed, the output end of driving motor 17 through support plate 16 and is fixedly connected with lead screw 14, protects on 16
15 one end of top far from support plate 16 of frame is equipped with the supporting block 4 to match with lead screw 14, and driving is movably installed on lead screw 14
Block 10, the center position of drive block 10 is equipped with the through-hole 20 to match with lead screw 14, and the inside of through-hole 20 is equipped with and lead screw
The internal thread that 14 external screw threads match, and the top of drive block 10 is equipped with the fixed ring 13 to match with hook 12, drive block 10
Bottom be equipped with the sliding block 22 that matches with sliding slot 21, be separately installed with the first installation on the workbench 19 of 15 inside of protective frame
Plate 24 and the second mounting plate 26, and the first mounting plate 24 and the opposite side of the second mounting plate 26 are uniformly equipped with infrared hair respectively
Raw device 23 and infrared remote receiver 25, infrared emittance 23 and infrared remote receiver 25 correspond.
A kind of bridge machinery vehicle working bench load transfinites the control method of protective device, in use, pass through oil cylinder is unfolded will
Workbench 19 is unfolded, and hook 12 is fixedly connected with fixed ring 13, passes through the infrared generation installed on workbench 19
The mutual cooperation of device 23 and infrared remote receiver 25 is capable of the position of the personnel's distance promotion tower 6 of monitoring in real time, monitors work in real time
Make the supporting point of platform 19, meanwhile, by 11 real-time 19 load of monitoring platform of pulling force sensor, meanwhile, driving motor 17
It drives lead screw 14 to rotate, to drive drive block 10 by the mutual cooperation of sliding block 22 and sliding slot 21, is moved at 15 top of protective frame
Dynamic adjusting position realizes the pulling force signal that drive block 10 can be transmitted according to pulling force sensor 11, adjusts stress point and by force
The length of square needs the load for adjusting workbench, easy to use, when drive block 10 is moved to lead screw 14 close to driving motor 17
Top, pulling force sensor 11 transmit signal still exceed full value when, audible-visual annunciator 18 send out alarm and pass through relay
Device cuts off 19 power supply of workbench, strictly prevents 19 load-carrying of workbench from transfiniting, prevents phenomena such as workbench 19 is broken,
Ensure the person and equipment safety.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
- The protective device 1. a kind of bridge machinery vehicle working bench load transfinites, including promote tower (6), workbench (19) and protective frame (15), it is characterised in that：Described one end for promoting tower (6) is equipped with retractable cable motor (5) by bolt, and promotes tower (6) Side is equipped with drum (8) by A-frame (7), and the output end of retractable cable motor (5) passes through the drive of chain and drum (8) Moving gear is fixedly connected, and steel wire rope (9) is wound on the drum (8), and the one end of steel wire rope (9) far from drum (8), which is fixed, to be connected It is connected to pulling force sensor (11), and the other end of pulling force sensor (11) is fixedly connected with hook (12), the promotion tower (6) Bottom is fixed with mounting base (3), and the side of mounting base (3) is movably installed with workbench (19), and mounting base by shaft (2) (3) bottom is equipped with expansion oil cylinder (1), and the output end of expansion oil cylinder (1) is fixedly connected with workbench (19), the work It is all fixed by the bracket at both sides of the edge position at the top of platform (19) and is supported by protective frame (15), the inside of protective frame (15) is set There is sliding slot (21), and one end far from mounting base (3) is fixed with support plate (16) at the top of workbench (19), support plate (16) is outside The top of side is equipped with driving motor (17) by bolt, and the output end of the driving motor (17) through support plate (16) and is consolidated Surely it is connected with lead screw (14), drive block (10) is movably installed on lead screw (14), and the top of drive block (10) is equipped with and hook (12) fixed ring (13) to match, the bottom of drive block (10) is equipped with the sliding block (22) to match with sliding slot (21), described anti- The first mounting plate (24) and the second mounting plate (26), and the first peace are separately installed on workbench (19) on the inside of retaining frame (15) Loading board (24) and the opposite side of the second mounting plate (26) are uniformly equipped with infrared emittance (23) and infrared remote receiver respectively (25)。
- The protective device 2. a kind of bridge machinery vehicle working bench load according to claim 1 transfinites, it is characterised in that：It is described Audible-visual annunciator (18) is installed in support plate (16) below driving motor (17).
- The protective device 3. a kind of bridge machinery vehicle working bench load according to claim 1 transfinites, it is characterised in that：It is described One end far from support plate (16) is equipped with the supporting block (4) to match with lead screw (14) at the top of protective frame (15).
- The protective device 4. a kind of bridge machinery vehicle working bench load according to claim 1 transfinites, it is characterised in that：It is described The center position of drive block (10) is equipped with the through-hole (20) to match with lead screw (14), and the inside of through-hole (20) is equipped with and silk The internal thread that bar (14) external screw thread matches.
- The protective device 5. a kind of bridge machinery vehicle working bench load according to claim 1 transfinites, it is characterised in that：It is described Infrared emittance (23) and infrared remote receiver (25) correspond.
- The control method of protective device 6. a kind of bridge machinery vehicle working bench load transfinites, which is characterized in that include the following steps,1) workbench is unfolded by the way that oil cylinder is unfolded, and hook is fixedly connected with fixed ring 13, by workbench The position of the personnel's distance promotion tower of monitoring in real time is capable of in the mutual cooperation of the infrared emittance and infrared remote receiver of installation, The supporting point of real-time monitoring platform；2) by the real-time monitoring platform load of pulling force sensor, meanwhile, driving motor drives lead screw rotation, is driven to drive Motion block is by the mutual cooperation of sliding block and sliding slot, the mobile adjusting position at the top of protective frame, and realization drive block can be passed according to pulling force The pulling force signal that sensor transmits adjusts the length of stress point and stress torque, needs the load for adjusting workbench；3) when drive block is moved to top of the lead screw close to driving motor, the signal that pulling force sensor transmits still exceeds full value When, audible-visual annunciator sends out alarm and cuts off workbench power supply by relay, strictly prevents workbench load-carrying from transfiniting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053735.9A CN108277740A (en) | 2018-01-19 | 2018-01-19 | A kind of bridge machinery vehicle working bench load transfinites protective device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053735.9A CN108277740A (en) | 2018-01-19 | 2018-01-19 | A kind of bridge machinery vehicle working bench load transfinites protective device and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108277740A true CN108277740A (en) | 2018-07-13 |
Family
ID=62804197
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810053735.9A Pending CN108277740A (en) | 2018-01-19 | 2018-01-19 | A kind of bridge machinery vehicle working bench load transfinites protective device and its control method |
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| CN107261449A (en) * | 2017-07-14 | 2017-10-20 | 亳州学院 | A kind of table tennis intelligent training system |
| CN206815183U (en) * | 2017-05-05 | 2017-12-29 | 绵阳市川交公路规划勘察设计有限公司 | A kind of bridge inspection vehicle provided with platform ladder step device |
| CN207862765U (en) * | 2018-01-19 | 2018-09-14 | 江苏森淼工程质量检测有限公司 | A kind of bridge machinery vehicle working bench load transfinites protective device |
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2018
- 2018-01-19 CN CN201810053735.9A patent/CN108277740A/en active Pending
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| US4633975A (en) * | 1984-03-19 | 1987-01-06 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Under-bridge access assembly |
| CN204299153U (en) * | 2014-05-23 | 2015-04-29 | 群力发(北京)科技开发有限公司 | High building structure construction electric promotes outfeed platforms |
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