CN2468812Y

CN2468812Y - Arrangement for limiting over-loading or over-speed for vehicle

Info

Publication number: CN2468812Y
Application number: CN 01220551
Authority: CN
Inventors: 王军
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-03-28
Filing date: 2001-03-28
Publication date: 2002-01-02
Anticipated expiration: 2011-03-28

Abstract

A vehicle overload and overspeed limiter comprises a power supply, a load-limiting device, a speed-limiting device, a relay, an alarm, an oil circuit electromagnetic valve and a peccancy recorder. The vehicle overload and overspeed limiter can monitor the overload or overspeed vehicles real-timely, then sends alarming signal, and cuts the oil circuit of the vehicles, therefore makes the vehicles not start and not drive, meantime the peccancy recorder can record the peccancy for the inspection examination and treatment of the traffic or vehicle management department. The limiter has the advantages of reasonable structure, convenient adjustment and having the function of anti disassembly and modification, meeting the speed-limiting requirement of various road sections, automatically setting the limited speed per hour and having strong practicality. The utility model can effectively prevent the overload and overspeed of the vehicles and eliminates the hidden trouble of the traffic accidents and has great popularization and application value.

Description

The overload of vehicle overspeed governor

The utility model relates to a kind of automatic load limitation speed-limit device that is installed in the vehicle.

How solving the problem that the limiting overload of vehicle hypervelocity is exercised, is the thing that present society pays special attention to.The patent No. 91229784 (notification number 2046433, day for announcing 92.09.09) utility model patent discloses a kind of feasible overload of vehicle restraint device, because the displacement detector structure more complicated of its use, and it is different and different with vehicle, product can't be finalized the design, no surveillance and control measure, the therefore concrete comparatively difficulty of popularization of implementing.The patent No. 97234114 (notification number 2298164, day for announcing 97.09.01) utility model patent is a kind of limiting vehicle speed device of simple possible, but because its function singleness, Applicable scope is narrow, and the user can arbitrarily remove speed limit voluntarily, can't reach the purpose of forcing speed limit and monitoring at any time, so practicality is bad.

The purpose of this utility model is the killer of a kind of monitoring vehicle at any time of design overload hypervelocity, and this killer has the tight anti-measure of tearing down and reconstructing, and installs that the back user can't arbitrarily change or withdraw from use voluntarily.

For achieving the above object, the utility model has adopted following technical scheme: the overload overspeed governor comprises power supply, load limiter, velocity limiter, relay, annunciator, oil circuit electromagnetic valve and logger violating the regulations.Load limiter is by the anti-screened housing body of tearing down and reconstructing; and push rod assembly and the limit for tonnage switches set be located in the housing constitute; but the push rod assembly comprises the push rod sleeve pipe of up-and-down movement and is located at the interior adjustable push rod of push rod sleeve pipe that the limit for tonnage switches set comprises by pair of fixed contacts and is located at a normally closed switch and normal open switch that a pair of armature contact on the push rod sleeve pipe is formed.Velocity limiter comprises the speed limiting switch that is made of the remote control break-make device group of being located at the movable contact flat group in the vehicle autometer rotating shaft, the fixed touch plate group that contacts with this rotating shaft, be connected in series with the fixed touch plate group, and the remote control signal generator of peripheral hardware.The normal open switch of above-mentioned load limiter and the speed limiting switch of velocity limiter all are connected to two control ends of relay, annunciator, oil circuit electromagnetic valve hot-wire coil all are serially connected with the Chang Kaiduan of relay, and the normally closed switch of above-mentioned load limiter and logger violating the regulations are serially connected with the normal-closed end with relay.

The overload overspeed governor is installed, can monitor in real time this vehicle, when overload of vehicle or hypervelocity, load limiter, velocity limiter action in the killer, produce alerting signal, cut off vehicle oil way then, vehicle can't be started and exercise, logger violating the regulations can be noted down, in order to traffic management system examination, processing.This limiter structure is reasonable, and is easy to adjust, has anti-function of tearing down and reconstructing.Can adapt to the speed limit requirement in different highway sections, the speed per hour of qualification is set automatically, practicality is stronger.Can prevent the overload of vehicle hypervelocity effectively, eliminate hidden peril of accident, have bigger application value.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1, be the scheme drawing of the monitor of this overload overspeed governor.

Fig. 2, be the structural representation of the load limiter in this overload overspeed governor.

Fig. 3, be the structural representation of the velocity limiter in this overload overspeed governor.

Fig. 4, be the fundamental diagram of the utility model overload overspeed governor.

This overspeed governor that overloads comprises that control box 1 partial sum is by cable 2 and control box 1 bonded assembly load limiter 3.The structure of monitoring box 1 by cabinet 4, and is located at the interior storage battery B of cabinet as shown in Figure 1, velocity limiter 4, and relay J, oil circuit electromagnetic valve CF forms.Cabinet 4 adopts enclosed construction, can prevent from arbitrarily to take apart change.The panel of cabinet 4 is provided with speed meter 5, annunciator 6, logger 7 violating the regulations and indicator lamp 8.Velocity limiter 2 connects.The valve of oil circuit electromagnetic valve CF is installed in vehicle transport pipe and carburettor interface, the back is installed seals front and back joint and carbureter body binding bolt with plastic packaging and particular manufacturing craft, in case tear down and reconstruct, the hot-wire coil of oil circuit electromagnetic valve CF is serially connected with the Chang Kaiduan of relay J.Indicator lamp 8 is used to show the mode of operation of killer.

Load limiter 1 is installed in crossbeam 9 belows of vehicle, is fixed on the axletree 11 with fastener 10, and the fixed position of fastener 10 adopts lead sealing or plastic packaging, can play the arbitrarily effect of dismounting that prevents.The structure of load limiter 1 as shown in Figure 2; the protection housing is combined by sealing member such as lead sealing 14 by upper and lower two parts 12,13; the push rod assembly is located in the housing, comprise push rod sleeve pipe 15 and be located at push rod 16 in the push rod sleeve pipe by holding screw 17; push rod 16 upper ends stretch out in outside the housing; with the crossbeam 9 of vehicle certain spacing is arranged, but unclamp up-down adjustment push rod 16 behind the holding screw 17.

Spring

18,19 is used to support push rod sleeve pipe 15, push rod 16, and has the effect of shock-absorbing, return.The live metal contact of being located at push rod sleeve pipe lower end comprises two groups of contacts 20,21, and the fixing metal contact of being fixed in the housing comprises two groups of contacts 22,23, and contact 20 is normally closed with contact 22, constitutes limit for tonnage normally closed switch K _c', contact 21 is often opened with contact 23, constitutes limit for tonnage normal open switch K _c, contact 20 and contact 22 are connected to two control ends of relay J, and contact 21 and contact 23 are serially connected with between the normal-closed end and logger violating the regulations 7 of relay J.

Can make the crossbeam 9 of vehicle stressed after the load-carrying of vehicle, move downward, contact 20 and contact 22 be separated, contact 21 and contact 23 closures, i.e. limit for tonnage normal open switch K among Fig. 4 when load carrying ability will promote push rod sleeve pipe 15 above limit value to bottom offset _cConnect limit for tonnage normally closed switch K _c' disconnecting, relay J energising work disconnects Chang Kaiduan closure, normal-closed end, and annunciator 6 is connected and is sent alerting signal, the energising of oil circuit electromagnetic valve coil with valve closing, is cut off vehicle oil way, vehicle can't be started and exercise, and logger 7 outages violating the regulations simultaneously quit work, and note the time violating the regulations.Below each the wheel steel plate of vehicle or spring, this load limiter 1 also can be installed, the limit for tonnage normal open switch K of several load limiters 1 _cParallel with one another, when wherein any one or a plurality of K switch _cClosure all can make relay J work, plays the effect of limiting overload of vehicle and unbalance loading simultaneously.When load limiter 1 impaired, as cut off cable, the load limiter etc. of dismantling, also can make limit for tonnage normally closed switch K _c' disconnecting, logger 7 violating the regulations gives record, has the function of accident of preventing or artificial destruction.

By the spacing of adjustment push rod 16 with the crossbeam 9 of vehicle, can limit the overload capacity of vehicle, spacing between push rod 16 and the crossbeam 9 is to be determined by loading test when load limiter 1 is installed by examination of car department, concrete grammar is as follows: at first unclamp holding screw 17 by hole 24, push rod 16 is ejected with crossbeam 9 by spring 18 and contacts, apply downward load with chest expander to crossbeam 9 again, crossbeam 9 stressed backs and push rod 16 are synchronously to bottom offset, after load reaches design value, screw solid screw 17 and can determine spacing.Push rod 16 be marked with different load carrying abilities under the cooresponding exact scale of crossbeam 9 downward bending amounts, make to regulate very conveniently, directly perceived, be convenient to file for reference.Spacing determines that the back rotation goes up screened housing 12, makes hole 24 and holding screw 17 certain angle that staggers, and then screw 17 can't turn, and seal lead sealing 14 simultaneously in case change.

The structure of velocity limiter 2 as shown in Figure 3, live metal contact group 25 is located in the rotating shaft 28 of speed meter 5, rotates the stepped arrangement of live metal contact group 25 rotations synchronously with the speed meter pointer, fixing metal contact group 26 contacts with this rotating shaft, and contact group 25 is formed K switch with contact group 26 ₁', K ₂', K ₃', like this, when the moving velocity of vehicle reaches certain value, will make one group of contact engage conducting.Remote control break-make device group K ₁, K ₂, K ₃With 26 groups of corresponding serial connections of fixed touch plate, be connected to two control ends of relay J after the serial connection again.Remote control signal generator 27 is arranged on the other stated-speed sign board of road, and when vehicle passed through, the signal that remote control signal generator 27 sends can trigger remote control break-make device, makes it closed.Speed limit requirement at different road conditions, for example be 50 kilometers of urban district speed limits, 70 kilometers of average highway speed limits, 110 kilometers of Speed Limitation on Freeway, the remote control signal generator 27 that is located at different highway sections sends specific unlike signal, when vehicle enters a certain speed limit highway section, and remote control break-make device group K ₁, K ₂, K ₃In a cooresponding break-make device receive signal specific that remote control signal generator 27 sends and closure, other break-make device disconnect, this moment is if Vehicle Speed is lower than qualification speed, owing to do not contact with contact 25 with the series connected contact 26 of remote control break-make device of closure, i.e. K switch among Fig. 4 _sDisconnect, relay J is not worked; Surpass qualification speed and work as Vehicle Speed, the rotating shaft 28 of speed meter 5 turns over certain angle, and cooresponding one group of contact 25 is engaged with contact 26, i.e. K switch among Fig. 4 _sClosure, relay J energising work disconnect Chang Kaiduan closure, normal-closed end, and annunciator 6 is connected and sent alerting signal, the energising of oil circuit electromagnetic valve coil with valve closing, is cut off vehicle oil way, vehicle can't be started and exercise, and logger 7 outages violating the regulations simultaneously quit work, and note the time violating the regulations.In addition, in the remote control break-make device group zero-speed K switch can be set _o, when vehicle passes through four corners, the bright then K of red light _oClosure, K _sPath, then vehicle will be forced to stop the bright then K of green light _oOpen, vehicle could start.Remote control signal generator, remote control break-make device adopt short range, the emission of miniwatt short-wave signal and receiving device, and its wavelength frequency should hold in close confidence, guard against and forge and interference, carry out remote control, then best results as adopting digital signal.

As shown in Figure 4, logger JL violating the regulations can adopt quartz watch, and the electronic watch outage promptly stops, and the follow-up reforwarding row of switching on when traffic or the inspection of vehicle management department, by the time difference of check and correction electronic watch, can be determined the precise time of its operation violating the regulations and give investigation.The effect of cond C among the figure is: when normally closed contact 2 disconnects, cond C begins discharge, to logger JL violating the regulations power supply, continue normal operation certain hour to keep it, its objective is in order to get rid of the influence of instantaneous hypervelocity or the moment overload that causes because road jolts.When chaufeur continues to drive against traffic regulations, logger JL then violating the regulations is opening entry just.

This killer is unified installation, check, dismounting and change and maintenance by traffic or vehicle management department, can prevent the overload of vehicle hypervelocity effectively, eliminates hidden peril of accident.

Claims

1, overload of vehicle overspeed governor is characterized in that: comprise power supply, load limiter, velocity limiter, relay, annunciator, oil circuit electromagnetic valve and logger violating the regulations; Load limiter is by the anti-screened housing body of tearing down and reconstructing, and push rod assembly and the limit for tonnage switches set be located in the housing constitute, but the push rod assembly comprises the push rod sleeve pipe of up-and-down movement and is located at the interior adjustable push rod of push rod sleeve pipe that the limit for tonnage switches set comprises by pair of fixed contacts and is located at a normally closed switch and normal open switch that a pair of armature contact on the push rod sleeve pipe is formed; Velocity limiter comprises the speed limiting switch that is made of the remote control break-make device group of being located at the movable contact flat group in the vehicle autometer rotating shaft, the fixed touch plate group that contacts with this rotating shaft, be connected in series with the fixed touch plate group, and the remote control signal generator of peripheral hardware; The normal open switch of above-mentioned load limiter and the speed limiting switch of velocity limiter all are connected to two control ends of relay, annunciator, oil circuit electromagnetic valve hot-wire coil are serially connected with the Chang Kaiduan of relay, and the normally closed switch of above-mentioned load limiter and logger violating the regulations are serially connected with the normal-closed end with relay.

2, overload of vehicle overspeed governor according to claim 1 is characterized in that: describedly anti-tear down and reconstruct the screened housing body and formed by seal combination by upper and lower two parts.

3, overload of vehicle overspeed governor according to claim 1 is characterized in that: described movable contact flat group is made up of a plurality of contacts of stepped arrangement.

4, overload of vehicle overspeed governor according to claim 1, it is characterized in that: the two ends of described logger violating the regulations are parallel with cond.