CN109083498A - A kind of mobile guardrail for campus - Google Patents

A kind of mobile guardrail for campus Download PDF

Info

Publication number
CN109083498A
CN109083498A CN201811196241.2A CN201811196241A CN109083498A CN 109083498 A CN109083498 A CN 109083498A CN 201811196241 A CN201811196241 A CN 201811196241A CN 109083498 A CN109083498 A CN 109083498A
Authority
CN
China
Prior art keywords
gear
wheel
support plate
rack gear
plate
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.)
Granted
Application number
CN201811196241.2A
Other languages
Chinese (zh)
Other versions
CN109083498B (en
Inventor
管丽霞
彭嵩
林高健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pingyi Jingfa Industry Development Co.,Ltd.
Original Assignee
Hangzhou Fuyang Fei Shang Decoration Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Fuyang Fei Shang Decoration Engineering Co Ltd filed Critical Hangzhou Fuyang Fei Shang Decoration Engineering Co Ltd
Priority to CN201811196241.2A priority Critical patent/CN109083498B/en
Priority to CN201911249827.5A priority patent/CN110847082B/en
Publication of CN109083498A publication Critical patent/CN109083498A/en
Application granted granted Critical
Publication of CN109083498B publication Critical patent/CN109083498B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • E01F13/022Pedestrian barriers; Barriers for channelling or controlling crowds

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Transmission Devices (AREA)
  • Toys (AREA)

Abstract

The invention belongs to guard bar technique fields, more particularly to a kind of mobile guardrail for campus, it includes protective fence, arrestment mechanism, universal wheel, the first support plate, rear axle, wherein brake plate is in the presence of with ground after press contacts, there are biggish stiction between brake plate and ground, so that temporary guard rail of the invention will not be pushed easily;After so that temporary guard rail of the invention is had the effect of that wheel is braked on traditional temporary guard rail.In addition, when temporary guard rail of the invention is still pushed by external force after braking, universal wheel of the invention and rear wheel can still roll, only brake plate is being worn, slide caused abrasion condition on the ground in a manner of non-rotary so as to avoid wheel in traditional temporary guard rail, the case where wheel is worn down to non-circular shape is avoided, ensure that wheel can make temporary guard rail smoothly walk;Finally avoid the case where replacing universal wheel and rear wheel of the invention.The configuration of the present invention is simple has preferable using effect.

Description

A kind of mobile guardrail for campus
Technical field
The invention belongs to guard bar technique field more particularly to a kind of mobile guardrails for campus.
Background technique
In square type sports or large-scale recreation, personnel are unordered in order to prevent enters meeting-place, institute in campus at present Generally can all construct a line pavement using moveable temporary guard rail, to guarantee the orderly admission of personnel.For general For logical moveable temporary guard rail, temporary guard rail is pushed open easily in order to prevent, so having on the wheel of temporary guard rail Arrestment mechanism.But after the wheel of moveable temporary guard rail is braked, after temporary guard rail is pushed by larger external force, Wheel on temporary guard rail will be slided on the ground in a manner of non-rotary, go down for a long time easily cause wheel in this way Abrasion, in turn results in wheel and is worn down to non-circular shape, non-circular state wheel is be easy to cause instead during scrolling to jolt. The wheel on temporary guard rail is worn down to non-circular shape in order to prevent, so just needing to design a kind of not to the wheel on temporary guard rail The moveable temporary guard rail that son is braked.
The present invention design a kind of mobile guardrail for campus solve the problems, such as it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of mobile guardrail for campus, it is to use Following technical scheme is realized.
In the description of the present invention, it should be noted that the indicating positions such as term "inner", "lower", "upper" or position are closed System be orientation based on the figure perhaps positional relationship or the invention product using when the orientation or position usually put Set relationship, it is only for convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed or operated with specific orientation, therefore be not considered as limiting the invention.In addition, art Language " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
A kind of mobile guardrail for campus, it is characterised in that: it include protective fence, pedestal, rear wheel, arrestment mechanism, Universal wheel, the first support plate, rear axle, the first belt pulley, belt are wherein equipped with protective fence on the upper surface of pedestal;Pedestal Arrestment mechanism is installed on lower surface;It is symmetrically installed on the lower surface of pedestal one end there are two the first support plate, the other end It symmetrically installs there are two universal wheel lower surface;Rear axle is mounted in the circular hole of two the first support plates by bearing, and rear axle Both ends be pierced by two the first support plates;It symmetrically installs there are two rear wheel at the both ends of rear axle;First belt pulley is mounted on On rear axle, and the first belt pulley is located between two the first support plates;One end of belt is mounted on the first belt pulley, the other end It is mounted on arrestment mechanism.
Above-mentioned arrestment mechanism include the second fixed plate, the first fixed plate, square type guide tube, third support plate, the second support plate, One-way clutch, fixation hole, first rotating shaft, the second belt pulley, the first pinion gear, the first telescopic shaft, the first gear wheel, the first tooth Wheel, connecting plate, second gear, the second telescopic shaft, the second pinion gear, change gear, the second gear wheel, third gear, second turn Axis, regulation button, brake plate, third rack gear, the first guide block, the first sliding panel, the first spring, first sliding groove, the first guide groove, Two sliding slots, the second guide groove, the second sliding panel, the second guide block, second spring, the first rack gear, the second rack gear, wherein first is fixed Plate, the second support plate, third support plate, square type guide tube and the second fixed plate are installed in the lower surface middle of above-mentioned pedestal; Square type guide tube is between the first fixed plate and third support plate;Second support plate is close to above-mentioned first support plate, and second Fagging is between third support plate and the first support plate;Second fixed plate is close to the side of pedestal;It is provided in second support plate The fixation hole of perforation;First telescopic shaft is made of the first pivoted housing and the first telescopic inner axis, and the first telescopic inner axis drive first turn Set rotation;One-way clutch is installed on the periphery of first rotating shaft;The periphery of one-way clutch is fixedly mounted on second In the fixation hole of fagging;First gear is installed in first telescopic inner axis;First gear wheel is mounted on the first pivoted housing, and first Gear wheel is between one-way clutch and first gear;First rotating shaft is mounted in the circular hole of the second support plate by bearing, And first rotating shaft is located at the downside of the first telescopic shaft;Second belt pulley and the first pinion gear are installed in first rotating shaft, and the Two belt pulleys are between the second support plate and the first pinion gear;First pinion gear and the first gear wheel are meshed;Second is flexible Axis is made of the second pivoted housing and the second telescopic inner axis, and the second telescopic inner axis drive the rotation of the second pivoted housing;Second pivoted housing passes through axis It holds and is mounted in the circular hole of third support plate;Second pinion gear and second gear are installed in the second telescopic inner axis, and second Pinion gear is between second gear and the second pivoted housing;Change gear is mounted in third support plate by axis;Second shaft is logical Bearing is crossed to be mounted in the circular hole of third support plate;Third gear and the second gear wheel are installed in the second shaft, and third Gear is between the second gear wheel and third support plate;Change gear is between the second gear wheel and the second telescopic inner axis; Change gear is meshed with the second gear wheel;Change gear is matched with the second pinion gear;One end of connecting plate is mounted on first On the one end of telescopic inner axis far from the first pivoted housing, the other end is mounted on the one end of the second telescopic inner axis far from the second pivoted housing;It adjusts Section button is mounted in the circular hole of the second fixed plate, and the both ends of regulation button are pierced by the second fixed plate;One end of regulation button It is fixedly mounted in plate face of the connecting plate far from the first telescopic inner axis;There is first sliding groove in square type guide tube;The two of first sliding groove It symmetrically opens there are two the first guide groove side;The two sides of first sliding panel one end are symmetrically installed there are two the first guide block, the other end Brake plate is installed;Third rack gear is installed on the side of the first sliding panel;First sliding panel is pacified by way of being slidably matched In the first sliding groove of square type guide tube;One end of first spring is mounted on the first sliding panel, and it is sliding that the other end is mounted on first On the bottom surface of slot, the first spring is located in the first sliding groove of square type guide tube;Two the first guide blocks are divided by way of being slidably matched It is not mounted in two the first guide grooves;Third rack gear slides in square type guide tube;Third gear is meshed with third rack gear;First Fixed plate is far from the second sliding slot for being provided with perforation in the plate face of pedestal;The two sides of second sliding slot are symmetrically opened leads there are two second Slot;It symmetrically installs there are two the second guide block the two sides of second sliding panel;Second sliding panel is installed by way of being slidably matched In the second sliding slot of the first fixed plate;Two the second guide blocks are separately mounted to two the second guide grooves by way of being slidably matched In;One end of two second springs is separately mounted on two the second guide blocks, and the other end is separately mounted to two the second guide grooves On groove face;Two second springs are located in two the second guide grooves;First rack gear is installed on the lower surface of the second sliding panel With the second rack gear;First rack gear and the second rack gear are distributed along the length direction of the second sliding panel, and the first rack gear and the second rack gear Between have spacing;First gear is matched with the first rack gear;Second gear is matched with the second rack gear.
One end of above-mentioned belt is mounted on the first belt pulley, and the other end is mounted on the second belt pulley.
After above-mentioned regulation button is pressed, regulation button by it is short elongated or by length shorten.
It is above-mentioned first rack gear, the second rack gear, first gear, second gear, second small as the further improvement of this technology Teeth on gear and change gear are all the same, for the teeth of first gear: the teeth of first gear not only have conventional tooth The shape of tooth, and the teeth both ends of first gear all have wedge angle.The design of teeth shape is: for first gear Axially move come when engaging again with the first rack gear, wedge angle can make the tooth in first gear in teeth of the present invention Tooth is smoothly inserted into the gap between two neighboring teeth on the first rack gear, generates first gear smoothly with first gear Engagement, avoids the case where teeth in first gear can not be inserted into the gap on the first rack gear between two neighboring teeth, And then avoid the case where can not engaging with the first rack gear when first gear moves axially.The design of same teeth can also make Second gear can smoothly engage when moving axially with the second rack gear.The design of same teeth also can make the second pinion gear in axis To it is mobile when can smoothly be engaged with change gear.
As the further improvement of this technology, the diameter of the diameter of above-mentioned first pinion gear less than the first gear wheel.In this way Design be: the first pinion gear through the first gear wheel drive the first telescopic shaft rotation, the first telescopic shaft drive first gear When rotation, the torque that the first pinion gear passes to first gear increases, and the rotation speed of first gear is lower than the first pinion gear Rotation speed, and then first gear is made to achieve the effect that deceleration torque increase.
As the further improvement of this technology, the diameter of the diameter of above-mentioned change gear less than the second gear wheel;Second is small Diameter of the diameter of gear less than the second gear wheel.Such design is: driving second in the redirected gear of the second pinion gear Gear wheel rotation, when the second gear wheel drives third gear to rotate through the second shaft, the second pinion gear passes to third gear Torque increases, and the rotation speed of third gear is lower than the rotation speed of the second pinion gear, and then so that third gear is reached deceleration and increase The effect of torsion.
As the further improvement of this technology, rubber handle set is installed on above-mentioned handle.
As the further improvement of this technology, above-mentioned rubber handle is put on anti-skid structure.
As the further improvement of this technology, above-mentioned first spring is extension spring;Second spring is extension spring.
As the further improvement of this technology, the lower surface of above-mentioned brake plate has rubbing surface.The lower surface of brake plate needs Want the rubbing surface of big coefficient of friction, with guarantee brake plate and ground face contact after can generate big stiction so that of the invention Temporary guard rail will not be pushed easily.
After above-mentioned regulation button is pressed, regulation button by it is short elongated or by length shorten.Similar to regulation button function Example: first, the pen cap of ball pen, which is pressed afterwards, equally to be had the function of elongated or shortens;Second, the fuel tank cap quilt on car After pressing, fuel tank cap is opened;After fuel tank cap is pressed again, fuel tank cap is closed.
The design of rear wheel, rear axle, the first belt pulley, belt and the second belt pulley is: when after wheel move forward When dynamic, rear wheel rotates counterclockwise at this time;Wheel drives the rotation of the first belt pulley through rear axle afterwards, and the first belt pulley drives through belt Second belt pulley rotates counterclockwise.
For arrestment mechanism: the second belt pulley drives the first pinion gear to rotate through first rotating shaft, and the first pinion gear is through first Gear wheel drives the rotation of the first telescopic shaft, and the first telescopic shaft drives first gear rotation.The design of one-way clutch is, When the first pinion gear rotates counterclockwise, the first gear wheel drives the first telescopic shaft to rotate clockwise, in the list of one-way clutch To under effect, one-way clutch allows the first telescopic shaft to rotate clockwise, and one-way clutch limits the first telescopic shaft and revolves counterclockwise Turn.It is rotated counterclockwise since one-way clutch limits the first telescopic shaft, then the first pinion gear, first rotating shaft and the second belt pulley It can not rotate clockwise, so that the first belt pulley, rear axle and rear wheel can not rotate clockwise, that is, rear wheel will Walking can not be retreated.When change gear drives the rotation of third gear through the second gear wheel, the second shaft, third gear drives third Rack gear is mobile, and the first sliding panel of third rack drives slides in square type guide tube.Design for the first guide block, the first guide block with It is slided with the first sliding panel, the first guide block can guarantee the first sliding panel Stable sliding in square type guide tube, and the first guide block can also The first sliding panel is prevented to be detached from from square type guide tube.Design for the second guide block, the second guide block follow the second sliding panel to slide, Second guide block can guarantee the second sliding panel Stable sliding in second sliding slot, and the second guide block can also prevent the second sliding panel from It is fallen in one fixed plate.Design between first rack gear and the second rack gear with spacing is: first gear can only drive first Rack gear is mobile, and without driving the second rack gear mobile, the first rack gear will not drive second gear to rotate, and the second rack gear can drive the The rotation of two gears.
Change gear is matched with the second pinion gear, and first gear is matched with the first rack gear, second gear and the second tooth The effect that item matches is: first, when regulation button is not pressed, and regulation button is in factory state, and first gear It is in meshing state with the first rack gear, second gear and the second pinion gear are located at the two sides of the second rack gear, second gear and second Pinion gear does not generate meshing relation with the second rack gear.Second, after regulation button by pressing for the first time, regulation button is driven Connecting plate is mobile to the direction of the first telescopic shaft, and the first telescopic inner axis and the second telescopic inner axis are compressed, in the first telescopic inner axis First gear disengaging engage with the first rack gear, during first gear disengaging is engaged with the first rack gear, second stretch it is interior Second gear on axis is engaged with the second rack gear, and the second pinion gear in the second telescopic inner axis is engaged with change gear.Third, when After regulation button is pressed for the first time, first gear can be completely disengaged with the first rack gear and be engaged, second gear can completely with The engagement of second rack gear, the second pinion gear can be engaged with change gear completely.4th, after regulation button is by secondary press, adjust Saving button drives connecting plate is mobile to reset, and connecting plate drives the first telescopic inner axis and the second telescopic inner axis to the direction of regulation button Movement resets, and the second gear disengaging in the second telescopic inner axis is engaged with the second rack gear, and the second pinion gear is detached from and deflecting tooth The engagement of wheel;First gear and first during second gear disengaging is engaged with the second rack gear, in the first telescopic inner axis Rack gear engagement.5th, when regulation button is secondary press after, second gear can be disengaged from the second rack gear completely, second Pinion gear can be disengaged from change gear completely, and first gear can be at a fully engaged with the first rack gear.
Effect for universal wheel: universal wheel can make temporary guard rail of the invention realize steering in the process of walking.
Temporary guard rail of the invention the utility model has the advantages that
1, temporary guard rail of the invention can achieve the effect that traditional temporary guard rail braking, prevent temporary guard rail from being pushed easily.This When the temporary guard rail of invention is still pushed after braking, behaviour's brake plate only can be seriously ground without wheel is seriously worn;Relatively The replacement cost of the cost to be replaced after being seriously worn of wheel in traditional temporary guard rail, brake plate is taken turns well below replacement The cost of son has reached the cost for saving temporary guard rail replacement brake component.
2, when temporary guard rail of the invention is still pushed by external force after braking, universal wheel and rear wheel can still be rolled, Only brake plate is being worn, and is slided on the ground in a manner of non-rotary so as to avoid traditional temporary guard rail braking rear-wheel Caused abrasion condition, reaches the case where avoiding wheel from being worn down to non-circular shape, ensure that wheel can make temporary guard rail flat Steady walking.
3, energy is pushed required for the braking of temporary guard rail of the invention is that the second bullet is stored in when rear-wheel sub-line is walked Inside spring, do not need specially to be supplied to the biggish lower pressure of brake plate;Needed when relative to traditional temporary guard rail braking compared with Big extraneous lower pressure, braking of the invention are convenient and efficient and laborsaving.
Detailed description of the invention
Fig. 1 is whole (one) schematic diagram of temporary guard rail.
Fig. 2 is whole (two) schematic diagram of temporary guard rail.
Fig. 3 is the lower surface institute mounting structure schematic diagram of pedestal.
Fig. 4 is arrestment mechanism and belt connection schematic diagram.
Fig. 5 is the first belt pulley scheme of installation.
Fig. 6 is one-way clutch and the second belt pulley scheme of installation.
Fig. 7 is belt scheme of installation.
Fig. 8 is that connecting plate is connected with the first telescopic inner axis and the second telescopic inner axis schematic diagram respectively.
Fig. 9 is the first pinion gear and the first gear wheel is meshed schematic diagram.
Figure 10 is third gear and third rack gear is meshed schematic diagram.
Figure 11 is square type guide tube diagrammatic cross-section.
Figure 12 is the schematic section elevation that the first sliding panel is installed on square type guide tube.
Figure 13 is the first fixed plate diagrammatic cross-section.
Figure 14 is the first rack gear and the second rack gear scheme of installation.
Figure 15 is second spring and the second guide block installation diagrammatic cross-section.
Figure 16 is that first gear is matched with the first rack gear, and second gear matches schematic diagram with the second rack gear.
Figure 17 is the elevational schematic view of Figure 16.
Figure 18 is regulation button scheme of installation.
Figure 19 is the schematic diagram of the three-dimensional figure (a) of teeth He the top view (b) of teeth.
Figure label title: 1, protective fence;2, pedestal;3, rear wheel;4, arrestment mechanism;6, universal wheel;8, the first support Plate;9, rear axle;10, the first belt pulley;12, belt;16, the second fixed plate;17, the first fixed plate;18, square type guide tube;19, Three support plates;20, the second support plate;21, one-way clutch;22, fixation hole;23, first rotating shaft;24, the second belt pulley;25, First pinion gear;26, the first telescopic shaft;27, the first pivoted housing;28, the first telescopic inner axis;29, the first gear wheel;30, the first tooth Wheel;31, connecting plate;32, second gear;33, the second telescopic shaft;34, the second pivoted housing;35, the second telescopic inner axis;36, second is small Gear;37, change gear;38, the second gear wheel;39, third gear;40, the second shaft;41, regulation button;42, brake plate; 43, third rack gear;44, the first guide block;45, the first sliding panel;46, the first spring;47, first sliding groove;48, the first guide groove;49, Second sliding slot;50, the second guide groove;51, the second sliding panel;52, the second guide block;53, second spring;54, the first rack gear;55, Two rack gears;59, teeth;60, wedge angle.
Specific embodiment
As shown in Fig. 1,3,5, it includes protective fence 1, pedestal 2, rear wheel 3, arrestment mechanism 4, the support of universal wheel 6, first Plate 8, rear axle 9, the first belt pulley 10, belt 12 are wherein equipped with protective fence 1 on the upper surface of pedestal 2 as shown in Figure 1, 2;Bottom Arrestment mechanism 4 is installed on the lower surface of seat 2;As shown in figure 3, symmetrically there are two for installation on the lower surface of 2 one end of pedestal One support plate 8, the lower surface of the other end are symmetrically installed there are two universal wheel 6;As shown in Figure 4,5, rear axle 9 is installed by bearing In the circular hole of two the first support plates 8, and the both ends of rear axle 9 are pierced by two the first support plates 8;The both ends of rear axle 9 are symmetrical There are two rear wheels 3 for ground installation;First belt pulley 10 is mounted on rear axle 9, and the first belt pulley 10 is located at two first supports Between plate 8;One end of belt 12 is mounted on the first belt pulley 10, and the other end is mounted on arrestment mechanism 4.
As shown in Fig. 4,6,8,16, above-mentioned arrestment mechanism 4 includes the second fixed plate 16, the first fixed plate 17, square type guide tube 18, third support plate 19, the second support plate 20, one-way clutch 21, fixation hole 22, first rotating shaft 23, the second belt pulley 24, One pinion gear 25, the first telescopic shaft 26, the first gear wheel 29, first gear 30, connecting plate 31, second gear 32, second are flexible Axis 33, the second pinion gear 36, change gear 37, the second gear wheel 38, third gear 39, the second shaft 40, regulation button 41, system Movable plate 42, third rack gear 43, the first guide block 44, the first sliding panel 45, the first spring 46, first sliding groove 47, the first guide groove 48, Two sliding slots 49, the second guide groove 50, the second sliding panel 51, the second guide block 52, second spring 53, the first rack gear 54, the second rack gear 55, As shown in figure 3, wherein the first fixed plate 17, the second support plate 20, third support plate 19, square type guide tube 18 and the second fixed plate 16 It is installed in the lower surface middle of above-mentioned pedestal 2;Square type guide tube 18 is between the first fixed plate 17 and third support plate 19; Second support plate 20 close to above-mentioned first support plate 8, and the second support plate 20 be located at third support plate 19 and the first support plate 8 it Between;Second fixed plate 16 is close to the side of pedestal 2;The fixation hole 22 of perforation is provided in second support plate 20;As shown in Fig. 8,16, First telescopic shaft 26 is made of the first pivoted housing 27 and the first telescopic inner axis 28, and the first telescopic inner axis 28 drive the rotation of the first pivoted housing 27 Turn;As shown in Figure 8,9, one-way clutch 21 is installed on the periphery of first rotating shaft 23;As shown in fig. 6, one-way clutch 21 Periphery be fixedly mounted in the fixation hole 22 of the second support plate 20;As shown in Fig. 7,9, it is equipped in the first telescopic inner axis 28 First gear 30;First gear wheel 29 is mounted on the first pivoted housing 27, and the first gear wheel 29 is located at one-way clutch 21 and Between one gear 30;As shown in fig. 6, first rotating shaft 23 is mounted in the circular hole of the second support plate 20 by bearing, and first turn Axis 23 is located at the downside of the first telescopic shaft 26;Second belt pulley 24 and the first pinion gear 25 are installed in first rotating shaft 23, and Second belt pulley 24 is between the second support plate 20 and the first pinion gear 25;As shown in figure 9, the first pinion gear 25 and first is big Gear 29 is meshed;As shown in Fig. 8,16, the second telescopic shaft 33 is made of the second pivoted housing 34 and the second telescopic inner axis 35, and second Telescopic inner axis 35 drive the rotation of the second pivoted housing 34;As shown in figure 8, the second pivoted housing 34 is mounted on third support plate 19 by bearing In circular hole;Second pinion gear 36 and second gear 32 are installed in the second telescopic inner axis 35, and the second pinion gear 36 is located at the Between two gears 32 and the second pivoted housing 34;Change gear 37 is mounted in third support plate 19 by axis;Second shaft 40 passes through Bearing is mounted in the circular hole of third support plate 19;Third gear 39 and the second gear wheel 38 are installed in the second shaft 40, And third gear 39 is between the second gear wheel 38 and third support plate 19;Change gear 37 is located at the second gear wheel 38 and Between two telescopic inner axis 35;Change gear 37 is meshed with the second gear wheel 38;Change gear 37 and the second pinion gear 36 match It closes;As shown in figure 8, one end of connecting plate 31 is mounted on the one end of the first telescopic inner axis 28 far from the first pivoted housing 27, the other end It is mounted on the one end of the second telescopic inner axis 35 far from the second pivoted housing 34;As shown in Fig. 9,18, regulation button 41 is mounted on second In the circular hole of fixed plate 16, and the both ends of regulation button 41 are pierced by the second fixed plate 16;One end of regulation button 41 is fixedly mounted In plate face of the connecting plate 31 far from the first telescopic inner axis 28;As shown in figure 11, there is first sliding groove 47 in square type guide tube 18;The It symmetrically opens there are two the first guide groove 48 two sides of one sliding slot 47;There are two the two sides of 45 one end of the first sliding panel are symmetrically installed First guide block 44, the other end are equipped with brake plate 42;Third rack gear 43 is installed on the side of first sliding panel 45;As Figure 10, 11, shown in 12, the first sliding panel 45 is mounted in the first sliding groove 47 of square type guide tube 18 by way of being slidably matched;First bullet One end of spring 46 is mounted on the first sliding panel 45, and the other end is mounted on the bottom surface of first sliding groove 47, and the first spring 46 is located at In the first sliding groove 47 of square type guide tube 18;Two the first guide blocks 44 are separately mounted to two first by way of being slidably matched and lead In slot 48;Third rack gear 43 slides in square type guide tube 18;Third gear 39 is meshed with third rack gear 43;As shown in figure 13, The second sliding slot 49 of perforation is provided in first plate face of the fixed plate 17 far from pedestal 2;The two sides of second sliding slot 49 are symmetrically provided with Two the second guide grooves 50;As shown in figure 14, the two sides of the second sliding panel 51 are symmetrically installed there are two the second guide block 52;Such as figure 13, shown in 14,15, the second sliding panel 51 is mounted in the second sliding slot 49 of the first fixed plate 17 by way of being slidably matched; Two the second guide blocks 52 are separately mounted in two the second guide grooves 50 by way of being slidably matched;The one of two second springs 53 End is separately mounted on two the second guide blocks 52, and the other end is separately mounted on the groove face of two the second guide grooves 50;Two second Spring 53 is located in two the second guide grooves 50;As shown in Figure 14,16, first is equipped on the lower surface of the second sliding panel 51 Rack gear 54 and the second rack gear 55;First rack gear 54 and the second rack gear 55 are distributed along the length direction of the second sliding panel 51, as Figure 16, Shown in 17, and there is spacing between the first rack gear 54 and the second rack gear 55;First gear 30 is matched with the first rack gear 54;Second Gear 32 is matched with the second rack gear 55.
As shown in fig. 7, one end of above-mentioned belt 12 is mounted on the first belt pulley 10, the other end is mounted on the second belt pulley On 24.
After above-mentioned regulation button 41 is pressed, regulation button 41 by it is short elongated or by length shorten.
Above-mentioned first rack gear 54, the second rack gear 55, first gear 30, second gear 32, the second pinion gear 36 and deflecting tooth Teeth 59 on wheel 37 are all the same, are as shown in Figure 19 (b) tooth if (a) in Figure 19 show the three-dimensional figure of teeth 59 The top view of tooth 59, for the teeth 59 of first gear 30: the teeth 59 of first gear 30 not only have the shape of traditional teeth 59 Shape, and 59 both ends of teeth of first gear 30 all have wedge angle 60.The design of 59 shape of teeth is: for the first tooth Wheel 30 axially moves come when engaging again with the first rack gear 54, wedge angle 60 can make first in teeth 59 of the present invention Teeth 59 on gear 30 are smoothly inserted into the gap between two neighboring teeth 59 on the first rack gear 54, make first gear 30 engage with smooth generate of first gear 30, and phase on the first rack gear 54 can not be inserted by avoiding the teeth 59 in first gear 30 The case where gap between adjacent two teeth 59, and then avoiding can not be with the first rack gear 54 when first gear 30 moves axially The case where engagement.The design of same teeth 59 can also enable second gear 32 smoothly to nibble when moving axially with the second rack gear 55 It closes.The design of same teeth 59 can also enable the second pinion gear 36 smoothly to engage when moving axially with change gear 37.
As shown in figure 8, diameter of the diameter of above-mentioned first pinion gear 25 less than the first gear wheel 29.Such design exists In: the rotation of the first telescopic shaft 26 is driven through the first gear wheel 29 in the first pinion gear 25, the first telescopic shaft 26 drives first gear When 30 rotation, the torque that the first pinion gear 25 passes to first gear 30 increases, and the rotation speed of first gear 30 is lower than first The rotation speed of pinion gear 25, and then first gear 30 is made to achieve the effect that deceleration torque increase.
As shown in figure 8, diameter of the diameter of above-mentioned change gear 37 less than the second gear wheel 38;Second pinion gear 36 it is straight Diameter of the diameter less than the second gear wheel 38.Such design is: driving in the redirected gear 37 of the second pinion gear 36 second largest Gear 38 rotates, and when the second gear wheel 38 drives third gear 39 to rotate through the second shaft 40, the second pinion gear 36 passes to the The torque of three gears 39 increases, and the rotation speed of third gear 39 is lower than the rotation speed of the second pinion gear 36, and then makes third Gear 39 achievees the effect that deceleration torque increase.
Rubber handle set is installed on above-mentioned handle.
Above-mentioned rubber handle is put on anti-skid structure.
Above-mentioned first spring 46 is extension spring;Second spring 53 is extension spring.
The lower surface of above-mentioned brake plate 42 has rubbing surface.The lower surface of brake plate 42 needs the friction of big coefficient of friction Face, with guarantee brake plate 42 and ground face contact after can generate big stiction so that temporary guard rail of the invention will not be light Easily push.
The working principle of the invention: the default setting of temporary guard rail of the invention are as follows: regulation button 41 is not pressed, and is adjusted When section button 41 is in factory state, as shown in Figure 16,17, first gear 30 and the first rack gear 54 are far from the second rack gear 55 One end is meshed, and second gear 32 and the second pinion gear 36 are located at the two sides of the second rack gear 55, second gear 32 and the second small tooth Wheel 36 does not generate meshing relation with the second rack gear 55.Second spring 53 is in the raw.As shown in Figure 10, third gear 39 engage with third rack gear 43, and there are distances between brake plate 42 and ground.
The rear wheel 3 of temporary guard rail of the invention can only walk forward, cannot walk backward.When temporary guard rail needs forward When mobile, user makes temporary guard rail of the invention walk forward by pushing protective fence 1;As shown in figure 5, when after wheel 3 When forward movement, the rotation counterclockwise at this time of rear wheel 3.
As shown in figure 5, when the rear wheel 3 of temporary guard rail of the invention is walked forward, the rotation counterclockwise at this time of rear wheel 3 Turn;Wheel 3 drives the rotation of the first belt pulley 10 through rear axle 9 afterwards, and the first belt pulley 10 drives the second belt pulley 24 inverse through belt 12 Hour hands rotation.Second belt pulley 24 drives the rotation of the first pinion gear 25 through first rotating shaft 23, and the first pinion gear 25 is through the first canine tooth 29 the first telescopic shaft 26 of drive of wheel rotates clockwise, and as shown in figure 16, the first telescopic shaft 26 drives first gear 30 to revolve clockwise Turn.First gear 30 drives the first rack gear 54 mobile to the direction far from the second rack gear 55, and the first rack gear 54 drives the second sliding Plate 51 is mobile, and the second guide block 52 and the second rack gear 55 follow the second sliding panel 51 mobile, and second spring 53 is stretched.With first Gear 30 persistently stirs the first rack gear 54, and first gear 30 can toggle it to the first rack gear 54 close to one end of the second rack gear 55, The continuing to rotate clockwise to maintain the first rack gear 54 of following first gear 30 is struck to the position of maximum distance.Due to There are spacing between first rack gear 54 and the second rack gear 55, engage so first gear 30 will not be generated with the second rack gear 55.? When first rack gear 54 is toggled it to the position of maximum distance by first gear 30, the position of the second rack gear 55 can allow second gear 32 After movement meshing relation can be generated with the second rack gear 55.
After temporary guard rail of the invention stops, due to first telescopic shaft of the limitation of one-way clutch 21,26 rotation counterclockwise Turn, then first gear 30 will not rotate counterclockwise, the first rack gear 54 still maintain by first gear 30 toggle it to it is maximum away from From position.
When temporary guard rail of the invention needs to brake, user presses regulation button 41 for the first time, and regulation button 41 drives Connecting plate 31 is mobile to the direction of the first telescopic shaft 26, and the first telescopic inner axis 28 and the second telescopic inner axis 35 are compressed, and first stretches The disengaging of first gear 30 in contracting inner shaft 28 is engaged with the first rack gear 54, is engaged in the disengaging of first gear 30 with the first rack gear 54 In the process, the second gear 32 in the second telescopic inner axis 35 is engaged with the second rack gear 55, and second in the second telescopic inner axis 35 is small Gear 36 is engaged with change gear 37., after regulation button 41 is pressed for the first time, the first gear 30 as shown in Fig. 8,17 It can completely disengage and engage with the first rack gear 54, second gear 32 can be engaged with the second rack gear 55 completely, and the second pinion gear 36 can be complete It is engaged entirely with change gear 37.
Since first gear 30 is engaged departing from the first rack gear 54, then the first rack gear 54 cannot be maintained by One gear 30 toggles it to the position of maximum distance.At this point, the second spring 53 in tensional state can reset, 52 band of the second guide block Dynamic second sliding panel 51 is mobile to be resetted, and the first rack gear 54 and the second rack gear 55 follow the second sliding panel 51 is mobile to reset, the second tooth The mobile reset of item 55 drives second gear 32 to rotate counterclockwise.Second gear 32 drives the second small tooth through the second telescopic inner axis 35 The rotation counterclockwise of wheel 36;Second pinion gear 36 drive change gear 37 rotate clockwise, change gear 37 through the second gear wheel 38, As shown in Figure 10,12, the second shaft 40 drives third gear 39 to rotate clockwise, and third gear 39 drives third rack gear 43 downward Mobile, third rack gear 43 drives the first sliding panel 45 slide downward in square type guide tube 18, and brake plate 42 follows the first sliding panel 45 move down, and the first spring 46 is stretched.On the first sliding panel 45 brake plate 42 and ground face contact after, the second bullet at this time Spring 53, which does not reset, to be finished, so the second rack gear 55 on the second sliding panel 51 can still larger be stirred to second gear 32 1 Power, second gear 32 after a series of transmitting meeting so that third gear 39 still to third rack gear 43 have one it is biggish downwards Stir power;This ensures that being still remained on third rack gear 43 and the first sliding panel 45 after brake plate 42 and ground face contact Biggish lower pressure has reached between brake plate 42 and ground so that there are larger pressure between brake plate 42 and ground There are biggish stiction, so that temporary guard rail of the invention will not be pushed easily;Finally make temporary guard rail of the invention After having the effect of that wheel is braked on traditional temporary guard rail.
After temporary guard rail of the invention does not need to be braked, user is secondary to press regulation button 41.Work as regulation button After 41 by secondary press, regulation button 41 drives connecting plate 31 is mobile to reset, and connecting plate 31 drives 28 He of the first telescopic inner axis Second telescopic inner axis 35 are resetted to the direction of regulation button 41 is mobile, and the second gear 32 in the second telescopic inner axis 35 is detached from and the The engagement of two rack gears 55, the disengaging of the second pinion gear 36 are engaged with change gear 37;It is detached from and the second rack gear in second gear 32 During 55 engagements, the first gear 30 in the first telescopic inner axis 28 is engaged with the first rack gear 54.When regulation button 41 2 times After pressing, second gear 32 can be disengaged from the second rack gear 55 completely, and the second pinion gear 36 can completely and change gear 37 are disengaged from, and first gear 30 can be at a fully engaged with the first rack gear 54.It is at a fully engaged in first gear 30 and the first rack gear 54 Afterwards, since one-way clutch 21 prevents first gear 30 from rotating counterclockwise, then the first rack gear 54 cannot be further continued for moving It is dynamic to reset, and then second spring 53 is stretched to a certain degree.When the second pinion gear 36 is detached from change gear 37 after engagement, the Three gears 39 no longer to third rack gear 43 have it is downward stir power, then under the reset response of the first spring 46, the first sliding Plate 45 is mobile to be resetted, and brake plate 42 follows the first sliding panel 45 is mobile to reset.
In conclusion main beneficial effect of the invention is: brake plate of the invention in the presence of with ground after press contacts, There are biggish stiction between brake plate and ground, so that temporary guard rail of the invention will not be pushed easily;Finally make After temporary guard rail of the invention has the effect of that wheel is braked on traditional temporary guard rail.In addition, temporary guard rail of the invention exists When still being pushed by external force after braking, universal wheel of the invention and rear wheel can still be rolled, and only brake plate is being worn, from And avoid wheel in traditional temporary guard rail and slide caused abrasion condition on the ground in a manner of non-rotary, avoid wheel Son is worn down to the case where non-circular shape, ensure that wheel can make temporary guard rail smoothly walk;It finally avoids replacing this hair The case where bright universal wheel and rear wheel;Relative to the wheel cost to be replaced after being seriously worn of wheel, made in the present invention Replacement cost of the movable plate after being seriously worn has reached saving temporary guard rail replacement braking parts well below the cost of replacement wheel The cost of part.

Claims (8)

1. a kind of mobile guardrail for campus, it is characterised in that: it includes protective fence, pedestal, rear wheel, arrestment mechanism, ten thousand To wheel, the first support plate, rear axle, the first belt pulley, belt, protective fence wherein is installed on the upper surface of pedestal;Under pedestal Arrestment mechanism is installed on surface;Symmetrically installation is there are two the first support plate on the lower surface of pedestal one end, under the other end It symmetrically installs there are two universal wheel on surface;Rear axle is mounted in the circular hole of two the first support plates by bearing, and rear axle Both ends are pierced by two the first support plates;It symmetrically installs there are two rear wheel at the both ends of rear axle;After first belt pulley is mounted on On axis, and the first belt pulley is located between two the first support plates;One end of belt is mounted on the first belt pulley, other end peace On arrestment mechanism;
Above-mentioned arrestment mechanism includes the second fixed plate, the first fixed plate, square type guide tube, third support plate, the second support plate, unidirectional Clutch, fixation hole, first rotating shaft, the second belt pulley, the first pinion gear, the first telescopic shaft, the first gear wheel, first gear, Connecting plate, second gear, the second telescopic shaft, the second pinion gear, change gear, the second gear wheel, third gear, the second shaft, Regulation button, brake plate, third rack gear, the first guide block, the first sliding panel, the first spring, first sliding groove, the first guide groove, second Sliding slot, the second guide groove, the second sliding panel, the second guide block, second spring, the first rack gear, the second rack gear, wherein the first fixed plate, Second support plate, third support plate, square type guide tube and the second fixed plate are installed in the lower surface middle of above-mentioned pedestal;Square type Guide tube is between the first fixed plate and third support plate;Second support plate is close to above-mentioned first support plate, and the second support plate Between third support plate and the first support plate;Second fixed plate is close to the side of pedestal;Perforation is provided in second support plate Fixation hole;First telescopic shaft is made of the first pivoted housing and the first telescopic inner axis, and the first telescopic inner axis drive the rotation of the first pivoted housing Turn;One-way clutch is installed on the periphery of first rotating shaft;The periphery of one-way clutch is fixedly mounted on the second support plate Fixation hole in;First gear is installed in first telescopic inner axis;First gear wheel is mounted on the first pivoted housing, and the first canine tooth Wheel is between one-way clutch and first gear;First rotating shaft is mounted in the circular hole of the second support plate by bearing, and the One shaft is located at the downside of the first telescopic shaft;Second belt pulley and the first pinion gear are installed in first rotating shaft, and the second skin Belt wheel is between the second support plate and the first pinion gear;First pinion gear and the first gear wheel are meshed;Second telescopic shaft by Second pivoted housing and the second telescopic inner axis are constituted, and the second telescopic inner axis drive the rotation of the second pivoted housing;Second pivoted housing is pacified by bearing In the circular hole of third support plate;Second pinion gear and second gear are installed in the second telescopic inner axis, and the second small tooth Wheel is between second gear and the second pivoted housing;Change gear is mounted in third support plate by axis;Second shaft passes through axis It holds and is mounted in the circular hole of third support plate;Third gear and the second gear wheel are installed in the second shaft, and third gear Between the second gear wheel and third support plate;Change gear is between the second gear wheel and the second telescopic inner axis;Deflecting Gear is meshed with the second gear wheel;Change gear is matched with the second pinion gear;It is flexible that one end of connecting plate is mounted on first On the one end of inner shaft far from the first pivoted housing, the other end is mounted on the one end of the second telescopic inner axis far from the second pivoted housing;Adjusting is pressed Button is mounted in the circular hole of the second fixed plate, and the both ends of regulation button are pierced by the second fixed plate;One end of regulation button is fixed It is mounted in plate face of the connecting plate far from the first telescopic inner axis;There is first sliding groove in square type guide tube;The two sides pair of first sliding groove First guide groove there are two opening with claiming;The two sides of first sliding panel one end are symmetrically installed there are two the first guide block, and the other end is installed There is brake plate;Third rack gear is installed on the side of the first sliding panel;First sliding panel is mounted on by way of being slidably matched In the first sliding groove of square type guide tube;One end of first spring is mounted on the first sliding panel, and the other end is mounted on first sliding groove On bottom surface, the first spring is located in the first sliding groove of square type guide tube;Two the first guide blocks are pacified respectively by way of being slidably matched In two the first guide grooves;Third rack gear slides in square type guide tube;Third gear is meshed with third rack gear;First is fixed Plate is far from the second sliding slot for being provided with perforation in the plate face of pedestal;It symmetrically opens there are two the second guide groove the two sides of second sliding slot;The It symmetrically installs there are two the second guide block the two sides of two sliding panels;Second sliding panel is mounted on first by way of being slidably matched In the second sliding slot of fixed plate;Two the second guide blocks are separately mounted in two the second guide grooves by way of being slidably matched;Two One end of a second spring is separately mounted on two the second guide blocks, and the other end is separately mounted to the groove face of two the second guide grooves On;Two second springs are located in two the second guide grooves;First rack gear and are installed on the lower surface of second sliding panel Two rack gears;First rack gear and the second rack gear are distributed along the length direction of the second sliding panel, and between the first rack gear and the second rack gear With spacing;First gear is matched with the first rack gear;Second gear is matched with the second rack gear;
One end of above-mentioned belt is mounted on the first belt pulley, and the other end is mounted on the second belt pulley;
After above-mentioned regulation button is pressed, regulation button by it is short elongated or by length shorten.
2. a kind of mobile guardrail for campus according to claim 1, it is characterised in that: above-mentioned first rack gear, second Teeth on rack gear, first gear, second gear, the second pinion gear and change gear are all the same, for the teeth of first gear: The teeth of first gear not only have the shape of traditional teeth, but also the teeth both ends of first gear all have wedge angle.
3. a kind of mobile guardrail for campus according to claim 1, it is characterised in that: above-mentioned first pinion gear it is straight Diameter of the diameter less than the first gear wheel.
4. a kind of mobile guardrail for campus according to claim 1, it is characterised in that: the diameter of above-mentioned change gear Less than the diameter of the second gear wheel;Diameter of the diameter of second pinion gear less than the second gear wheel.
5. a kind of mobile guardrail for campus according to claim 1, it is characterised in that: be equipped with rubber on above-mentioned handle Glue handle sleeve.
6. a kind of mobile guardrail for campus according to claim 5, it is characterised in that: above-mentioned rubber handle puts on tool There is anti-skid structure.
7. a kind of mobile guardrail for campus according to claim 1, it is characterised in that: above-mentioned first spring is to stretch Spring;Second spring is extension spring.
8. a kind of mobile guardrail for campus according to claim 1, it is characterised in that: the lower surface of above-mentioned brake plate With rubbing surface.
CN201811196241.2A 2018-10-15 2018-10-15 A remove guardrail for campus Active CN109083498B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811196241.2A CN109083498B (en) 2018-10-15 2018-10-15 A remove guardrail for campus
CN201911249827.5A CN110847082B (en) 2018-10-15 2018-10-15 Movable guardrail used in campus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811196241.2A CN109083498B (en) 2018-10-15 2018-10-15 A remove guardrail for campus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201911249827.5A Division CN110847082B (en) 2018-10-15 2018-10-15 Movable guardrail used in campus

Publications (2)

Publication Number Publication Date
CN109083498A true CN109083498A (en) 2018-12-25
CN109083498B CN109083498B (en) 2020-01-24

Family

ID=64843398

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201811196241.2A Active CN109083498B (en) 2018-10-15 2018-10-15 A remove guardrail for campus
CN201911249827.5A Active CN110847082B (en) 2018-10-15 2018-10-15 Movable guardrail used in campus

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201911249827.5A Active CN110847082B (en) 2018-10-15 2018-10-15 Movable guardrail used in campus

Country Status (1)

Country Link
CN (2) CN109083498B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111593943A (en) * 2020-06-01 2020-08-28 张学伟 Protective fence equipment for engineering

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580147A1 (en) * 1985-04-11 1986-10-17 Granier Philippe Machine for planting in continuous motion
CN205172153U (en) * 2015-12-02 2016-04-20 广州市第二市政工程有限公司 Movable rail
CN207314999U (en) * 2017-04-21 2018-05-04 广东可为栅栏有限公司 fence for construction
CN107984973A (en) * 2017-12-18 2018-05-04 常熟市邦知光电科技有限公司 One kind is based on gear-driven Three-wheel type sick bed universal wheel
CN207646653U (en) * 2017-11-29 2018-07-24 宁波经济技术开发区物流发展有限公司 Vehicle guides isolating device

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2257468A1 (en) * 1974-01-16 1975-08-08 Distribution Cie Et Road vehicle friction brake assembly - is lowered by linkages to engage ground and maintain vehicle course
US3994369A (en) * 1975-05-08 1976-11-30 Lawrence Peska Associates, Inc. Emergency vehicle brake
CN1049478A (en) * 1989-08-10 1991-02-27 陈梁 Inertia automatic braking and device
BE1009727A6 (en) * 1995-11-08 1997-07-01 Bay Victor Safety brake for lorries
CN2280032Y (en) * 1996-11-28 1998-04-29 吴献堂 Auxiliary arrangement for emergency braking
AUPR387001A0 (en) * 2001-03-21 2001-04-12 Hilltrolley Pty Ltd Brake for a vehicle
KR20030012947A (en) * 2001-08-06 2003-02-14 최정석 Auxiliary braking system for iced road
CN2617640Y (en) * 2003-03-11 2004-05-26 翟廷峰 Emergency braker
GB2470229A (en) * 2009-05-15 2010-11-17 Bndean Abdulkadir Omer Additional vehicle braking system
US20110198161A1 (en) * 2010-02-12 2011-08-18 Louis Lomazzo Master braking system and method therefor
CN201863823U (en) * 2010-11-17 2011-06-15 王淦生 Motor vehicle auxiliary brake device
CN102632766A (en) * 2012-03-21 2012-08-15 阳江市飞轮金属制品有限公司 Braking caster of adjusting brake
US9067675B2 (en) * 2013-01-08 2015-06-30 The Boeing Company Airplane emergency supplemental braking system and method
CN104724085A (en) * 2013-12-18 2015-06-24 李胜群 Automobile emergency braking plate
CN104442750A (en) * 2014-11-24 2015-03-25 于祺 Frictional resistance roll of external brake of motor vehicle
CN104973098A (en) * 2015-07-15 2015-10-14 徐州市旭松新型材料有限公司 Trolley with braking devices and weighing mechanism
CN206520598U (en) * 2016-12-09 2017-09-26 山东交通学院 A kind of self-boosting type automobile emergent brake device
CN107458438A (en) * 2017-09-12 2017-12-12 王春江 A kind of multistage spacing water-based paint can of compression-resistant type positions controllable dolly
CN108331447B (en) * 2018-01-19 2020-11-17 中国建筑第七工程局有限公司 A guardrail for slope road surface construction protection convenient to dismantle
CN108640037A (en) * 2018-05-06 2018-10-12 张晓双 A kind of rapid wear building materials handler
CN108668940B (en) * 2018-05-29 2021-02-26 丁杨洋 Prevent overheated pet drying-machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580147A1 (en) * 1985-04-11 1986-10-17 Granier Philippe Machine for planting in continuous motion
CN205172153U (en) * 2015-12-02 2016-04-20 广州市第二市政工程有限公司 Movable rail
CN207314999U (en) * 2017-04-21 2018-05-04 广东可为栅栏有限公司 fence for construction
CN207646653U (en) * 2017-11-29 2018-07-24 宁波经济技术开发区物流发展有限公司 Vehicle guides isolating device
CN107984973A (en) * 2017-12-18 2018-05-04 常熟市邦知光电科技有限公司 One kind is based on gear-driven Three-wheel type sick bed universal wheel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111593943A (en) * 2020-06-01 2020-08-28 张学伟 Protective fence equipment for engineering

Also Published As

Publication number Publication date
CN110847082A (en) 2020-02-28
CN109083498B (en) 2020-01-24
CN110847082B (en) 2021-05-25

Similar Documents

Publication Publication Date Title
CN109677478A (en) A kind of building block transfer device
CN109083498A (en) A kind of mobile guardrail for campus
CN207527021U (en) Halting mechanism and the vehicle with the halting mechanism
CN211053055U (en) Handle torsional spring assembly fixture
CN208621450U (en) A kind of scratch resistant detection device of mobile phone display screen
CN208291408U (en) A kind of student's daily life balance car
CN109083053A (en) A kind of moveable temporary guard rail for municipal works
CN201301937Y (en) Vehicle speed shifting mechanism
CN109352618A (en) A kind of automatic card taking auxiliary device in inlet for car park
CN204201045U (en) Transmission for electric automobile parking shelves mechanical locking mechanism
CN105288944B (en) A kind of modified body-building running instrument
CN111633113A (en) Copper basin edge knocking device
CN106042726A (en) Pen operated through shifting rotation
CN2818315Y (en) Speed-adjuster of rotary handlebar of bicycle
CN207161645U (en) A kind of air compressor machine
CN203825378U (en) Watch head wheel transmission type pointer mechanism
CN2427147Y (en) Stroke control device
CN202670038U (en) Dual-direction drive device
CN106080729B (en) Clutch and with its articles for children
CN2212358Y (en) Electric spring propelling machine for curtains without ropes
CN202593775U (en) Effort-saving device of manpower-driven system for bicycles and electric vehicles
CN219655184U (en) Wheel spacing control device for stepless belt pulley
CN212605388U (en) Telescopic steering wheel
CN209336763U (en) A kind of Logistic Park trolley
CN202982586U (en) Telescopic rotating core of consoling device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211117

Address after: 273300 101, East first floor, Pingyi County Economic Development Zone Management Committee, Linyi City, Shandong Province

Patentee after: Pingyi Jingfa Industry Development Co.,Ltd.

Address before: 311400 room 703, 177 Gong Wang street, Fuchun street, Fuyang District, Hangzhou, Zhejiang.

Patentee before: HANGZHOU FUYANG FEISHANG DECORATION ENGINEERING Co.,Ltd.