CN111042464A - Extensible guardrail frame and using method thereof - Google Patents
Extensible guardrail frame and using method thereof Download PDFInfo
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- CN111042464A CN111042464A CN201911356027.3A CN201911356027A CN111042464A CN 111042464 A CN111042464 A CN 111042464A CN 201911356027 A CN201911356027 A CN 201911356027A CN 111042464 A CN111042464 A CN 111042464A
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- angle steel
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 230000010354 integration Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F11/181—Balustrades
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F11/181—Balustrades
- E04F11/1812—Details of anchoring to the wall or floor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F17/00—Flags; Banners; Mountings therefor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
- G09F2023/0016—Advertising on or in specific articles, e.g. ashtrays, letter-boxes on pens
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the field of safety guardrails, in particular to an expandable guardrail frame and a using method thereof. The extensible guardrail frame and the using method thereof have the advantages that the adaptability adjustment can be conveniently carried out according to the height of the propaganda scroll, the practicability is high, the operation safety is improved, the structure is simple, the implementation is easy, and the low cost of each part is convenient for reducing the maintenance cost.
Description
Technical Field
The invention relates to the field of safety guardrails, in particular to an expandable guardrail frame and a using method thereof.
Background
Guard rails used for guaranteeing safety are installed at the edges of corridors of a plurality of indoor shopping malls, and the guard rails are usually used for hanging propaganda banners used for propagandizing products while guaranteeing the safety of pedestrians so as to improve the consumption desire of consumers. The hanging rods are usually fixed on the outer side of the guardrail when the banners are hung, so that propaganda banners are fixedly hung, the distances among the hanging rods are fixed, when next propaganda banners with different lengths are hung, the fixed lengths need to be selected again, the operation difficulty is increased, the safety risk is increased, and when the propaganda banners do not need to be hung, the hanging rods need to be taken down from the guardrail, otherwise the normal use of the guardrail can be influenced.
Disclosure of Invention
The invention aims to provide an expandable guardrail frame and a using method thereof so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
on one hand, the invention provides an extensible guardrail frame which comprises the guardrail frame and a base used for supporting and installing propaganda scroll, wherein a corner steel plate and a lower hanging frame are fixed on the base, a fastening mechanism is fixed on the corner steel plate and can be fixedly connected with the guardrail frame, a driving part and a telescopic mechanism driven by the driving part are arranged on the base, the telescopic mechanism comprises a first connecting rod assembly and a second connecting rod assembly, the lower end of the first connecting rod assembly is connected with the driving part, the upper end of the first connecting rod assembly is connected with the lower end of the second connecting rod assembly through a connecting auxiliary rod and a group of gear pairs, the upper end of the second connecting rod assembly is fixedly connected with a lifting plate, and an upper hanging frame corresponding to the lower hanging frame is fixed on the lower surface of.
Preferably, the driving part comprises a vertical plate fixed on the left side of the base, the vertical plate is provided with a fixed shaft which is rotatably connected with a worm, the worm is vertically arranged, the vertical plate is further provided with a fixed shaft which is rotatably connected with a turbine, and the turbine is meshed with the worm.
Preferably, the connecting auxiliary rod is formed by integrating a first auxiliary rod and a second auxiliary rod in an L shape, the gear pair comprises a first gear and a second gear, the first gear is hinged to the joint of the first auxiliary rod and the second auxiliary rod, and the second gear is hinged to one end, far away from the first auxiliary rod, of the second auxiliary rod.
Preferably, the first connecting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are identical in structure, one end of the first connecting rod is fixedly connected with the turbine, the other end of the first connecting rod is fixedly connected with the first gear, one end of the second connecting rod is hinged to the vertical plate, the other end of the second connecting rod is hinged to one end, far away from the second auxiliary rod, of the first auxiliary rod, and the first connecting rod and the second connecting rod are parallel to each other.
Preferably, the second connecting rod assembly comprises a third connecting rod and a fourth connecting rod, the third connecting rod, the fourth connecting rod, the first connecting rod and the second connecting rod are identical in structure, one end of the third connecting rod is hinged to one end of the second auxiliary rod, the other end of the third connecting rod is hinged to the lower end of the third auxiliary rod, one end of the fourth connecting rod is fixedly connected with the second gear, the other end of the fourth connecting rod is hinged to the middle of the third auxiliary rod, and the third connecting rod and the fourth connecting rod are parallel to each other.
Preferably, the upper end of the third auxiliary rod is vertically fixed on the lower surface of the lifting plate, and the third auxiliary rod is parallel to the second auxiliary rod and always kept vertical.
Preferably, the cross section of angle steel board is right angle L shape, and the left end at the base is fixed to angle steel board's outside corner, and angle steel board's horizontal segment upper surface keeps the level with the upper surface of base, through floor fixed connection between the lower surface of base and angle steel board's the vertical section.
Preferably, the fastening mechanism comprises a baffle plate perpendicular to the horizontal section of the angle steel plate, and the baffle plate is fixed on the upper surface of the horizontal section of the angle steel plate at the side far away from the base.
Preferably, fastening device still includes lead screw and card strip, and the middle part both sides of lead screw all are provided with one section external screw thread, and two sections external screw threads revolve to opposite, and equal threaded connection has the swivel nut, two on each section external screw thread the swivel nut symmetrical arrangement, and the upper and lower both ends of swivel nut are respectively through the articulated joint card strip of ejector pin and angle plate, card strip sliding connection on the spout on the baffle, and the spout moves towards the horizontal segment of perpendicular to angle plate.
On the other hand, the invention also provides a using method of the expandable guardrail frame, which comprises the following steps:
the method comprises the following steps: mounting a base at the bottom of the guardrail frame through a fastening mechanism and an angle steel plate;
step two: the driving part is used for driving the first connecting rod assembly and the second connecting rod assembly to enable the lifting plate to be lifted and hang the propaganda scroll;
step three: and the driving part is used for driving the first connecting rod assembly and the second connecting rod assembly to enable the lifting plate to descend and take down the propaganda scroll.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the height of the lifting plate is adjusted by adopting the first connecting rod assembly and the second connecting rod assembly, so that the adaptability adjustment can be conveniently carried out according to the height of the propaganda scroll, the application range is wide, the practicability is strong, the operation difficulty is reduced, the operation safety is improved, the structure is simple, the realization is easy, and the cost of each part is low, so that the maintenance cost is reduced;
according to the lifting plate, the worm wheel and the worm are used for driving the connecting rod assembly I and the connecting rod assembly II, the operation is simple and convenient, and the worm wheel and worm mechanism generally has a self-locking characteristic along the axial direction of the worm, so that when the lifting plate stops at any position height, the stability of the lifting plate can be kept by using the self-locking characteristic of the worm wheel and worm mechanism, the lifting plate can be realized without other locking mechanisms, the structure is simplified, and the operation is convenient;
according to the invention, the base and the structural components thereof are installed by utilizing the fastening mechanism and the angle steel plate, so that the operation is simple and convenient, and the disassembly is convenient.
Drawings
FIG. 1 is a schematic view of the final assembly structure of the present invention in an extended state;
FIG. 2 is a schematic view of the final assembly structure of the present invention in a contracted state;
FIG. 3 is a schematic view of the structure of the connecting auxiliary rod of the present invention;
fig. 4 is a right side view of the fastening mechanism structure of the present invention.
In the figure: 1-a guardrail frame; 2-a base; 3-angle steel plate; 4-a fastening mechanism; 5-a lower hanging rack; 6-a first connecting rod component; 7-a connecting rod component II; 8-lifting plate; 9-upper hanging rack; 10-standing a plate; 11-a worm; 12-a turbine; 13-a first link; 14-a second link; 15-gear one; 16-a first auxiliary rod; 17-secondary rod two; 18-a third link; 19-a fourth link; 20-gear two; 21-auxiliary rod III; 22-a baffle; 23-a screw rod; 24-thread insert; 25-a mandril; 26-card strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: an expandable guardrail frame comprises a guardrail frame 1 and a base 2 for supporting and installing propaganda scroll, wherein an angle steel plate 3 and a lower hanging frame 5 are fixed on the base 2, a fastening mechanism 4 is fixed on the angle steel plate 3, the fastening mechanism 4 can be fixedly connected with the guardrail frame 1, a driving part and a telescopic mechanism driven by the driving part are arranged on the base 2, the telescopic mechanism comprises a connecting rod assembly I6 and a connecting rod assembly II 7, the lower end of the connecting rod assembly I6 is connected with the driving part, the upper end of the connecting rod assembly I6 is connected with the lower end of the connecting rod assembly II 7 through a connecting auxiliary rod and a group of gear pairs, the upper end of the connecting rod assembly II 7 is fixedly connected with a lifting plate 8, the lower surface of the lifting plate 8 is fixedly provided with an upper hanging rack 9 corresponding to the lower hanging rack 5, the upper end and the lower end of the propaganda scroll are respectively fixed on the upper hanging rack 9 and the lower hanging rack, the first connecting rod assembly 6 and the second connecting rod assembly 7 support the propaganda scroll to be opened under the driving of the driving part.
In this embodiment, the driving portion includes a vertical plate 10 fixed on the left side of the base 2, the vertical plate 10 is connected to the worm 11 in a fixed-axis rotating manner, that is, the worm 11 can only perform a rotating motion around the central axis of the vertical plate 10, and the worm 11 is vertically disposed, the vertical plate 10 is further connected to the worm wheel 12 in a fixed-axis rotating manner, that is, the worm wheel 12 can only perform a rotating motion around the center of the vertical plate 10, and the worm wheel 12 is meshed with the worm 11.
In the embodiment, the connecting auxiliary rod is formed by integrating a first auxiliary rod 16 and a second auxiliary rod 17 in an L shape, the gear pair comprises a first gear 15 and a second gear 20, the first gear 15 is hinged to the joint of the first auxiliary rod 16 and the second auxiliary rod 17, and the second gear 20 is hinged to one end, far away from the first auxiliary rod 16, of the second auxiliary rod 17.
In this embodiment, the first connecting rod assembly 6 includes a first connecting rod 13 and a second connecting rod 14, the first connecting rod 13 and the second connecting rod 14 have the same structure, one end of the first connecting rod 13 is fixedly connected to the turbine 12, the other end of the first connecting rod is fixedly connected to the first gear 15, one end of the second connecting rod 14 is hinged to the vertical plate 10, the other end of the second connecting rod 14 is hinged to one end of the first sub-rod 16 away from the second sub-rod 17, and the first connecting rod 13 and the second connecting rod 14 are parallel to each other, that is, the first connecting rod 13, the second connecting rod 14, the first sub-rod 16 and the connecting lines of the ends of the first connecting rod 13 and the second connecting rod 14.
In this embodiment, the second link assembly 7 includes a third link 18 and a fourth link 19, the third link 18, the fourth link 19, the first link 13 and the second link 14 have the same structure, one end of the third link 18 is hinged to the second link 17 and connected to one end of the first link 16, the other end is hinged to the lower end of the third link 21, one end of the fourth link 19 is fixedly connected to the second gear 20, the other end is hinged to the middle of the third link 21, and the third link 18 and the fourth link 19 are parallel to each other, that is, the lower half sections of the third link 18, the fourth link 19, the second link 17 and the third link 21 form a parallel four-link mechanism.
In this embodiment, the upper end of the third sub-rod 21 is vertically fixed to the lower surface of the lifting plate 8, and the third sub-rod 21 is parallel to the second sub-rod 17 and always kept vertical.
In this embodiment, the cross section of angle steel plate 3 is right angle L shape, and the left end at base 2 is fixed to angle steel plate 3's outside corner, and angle steel plate 3's horizontal segment upper surface and base 2's upper surface keep the level, through floor fixed connection between base 2's the lower surface and angle steel plate 3's the vertical section.
In this embodiment, the fastening mechanism 4 includes a baffle plate 22 perpendicular to the horizontal section of the angle steel plate 3, and the baffle plate 22 is fixed on the upper surface of the horizontal section of the angle steel plate 3 at the side far from the base 2.
In this embodiment, the fastening mechanism 4 further includes a screw rod 23 and a clamping strip 26, the cross section of the clamping strip 26 is in a shape of [, which is conducive to more stable thirst with the bottom plate of the guardrail frame 1, thereby improving the connection stability, two sides of the middle part of the screw rod 23 are provided with one section of external thread, the two sections of external thread are opposite in turning direction, the screw rod 23 can rotate freely, the left end of the screw rod 23 is fixed with a ridge rod convenient for being connected with a wrench or a loop bar, each section of external thread is connected with a threaded sleeve 24 in a threaded manner, the threaded sleeves 24 are symmetrically arranged, the upper end and the lower end of the threaded sleeve 24 are respectively connected with the clamping strip 26 and the angle steel plate 3 through a mandril 25 in a hinged manner, the clamping strip 26 is slidably connected on a sliding groove 27 on the baffle 22, and.
The invention also provides a using method of the expandable guardrail frame, which comprises the following steps during using operation:
the method comprises the following steps: installation of the base 2: as shown in fig. 4, firstly, one end of the screw rod 23 is held by hand and the screw rod 23 is rotated, the rotation of the screw rod 23 is transmitted through two sections of external threads with opposite rotation directions on the screw rod 23, so that the two thread sleeves 24 are far away from each other, at the moment, the thread sleeves 24 apply pulling force on the clamping strips 26 through the ejector rods 25, and further, the clamping strips 26 move downwards along the sliding grooves 27 on the baffle plates 22 and approach the angle steel plates 3;
the inner right angle side of the angle steel plate 3 is clamped at the upper side of the edge of the building body at the outer side of the guardrail frame 1, the fastening mechanism 4 is positioned under the bottom edge of the guardrail frame 1, at the moment, one end of the screw rod 23 is held by hand and the screw rod 23 is rotated reversely, the reverse rotation of the screw rod 23 enables two screw sleeves 24 to be close to each other through the transmission of two sections of external threads with opposite rotation directions on the screw rod 23, at the moment, the screw sleeves 24 apply thrust to the clamping strips 26 through the ejector rods 25, further, the clamping strips 26 move upwards along the sliding grooves 27 on the baffle plates 22 and are close to the bottom edge of the guardrail frame 1, and the clamping strips 26 are connected to the bottom edge of the guardrail frame 1 in a buckling mode, the operation is simple and convenient, the installation is convenient, in addition, because the base 2 is in a suspension state, the guardrail frame 1 plays a role of compressing and fixing on the base 2 through the fastening mechanism 4, namely, moreover, because the screw thread on the screw rod 23 usually has an axial self-locking characteristic, in this embodiment, the screw sleeve 24 can be limited by using the axial self-locking characteristic of the screw thread on the screw rod 23, so that after the clamping strip 26 is connected with the bottom edge of the guardrail frame 1 in a buckling manner, the clamping strip can be kept stable without other locking mechanisms, the structure is simplified, the operation is convenient, and the baffle 22 is positioned at the outer side of the clamping strip 26 and the bottom edge of the guardrail frame 1, so that the connection part of the clamping strip 26 and the bottom edge of the guardrail frame 1 is protected, the looseness caused by the impact of external force is avoided, and the connection reliability of the base 2 is further ensured;
step two: and (5) installing and displaying the propaganda scroll: firstly, the position height of the lifting plate 8 is roughly adjusted according to the height of a propaganda scroll to be installed, as shown in fig. 1 and fig. 2 during adjustment, when the lifting plate 8 is lifted, the state of the lifting plate 8 is changed from the state of fig. 2 to the state of fig. 1, the worm 11 is rotated by a hand or other tools, the worm 11 drives the worm wheel 12 to rotate anticlockwise, the first connecting rod 13 is synchronously driven to rotate anticlockwise around the center of the worm wheel 12 by the anticlockwise rotation of the worm wheel 12, according to the motion characteristic of the parallel four-bar linkage mechanism, the second connecting rod 14 is synchronously driven to rotate anticlockwise through the anticlockwise rotation of the second connecting rod 13 by the anticlockwise rotation of the first connecting rod 13, at the moment, the positions of the end parts of the first connecting rod 13 and the second connecting rod 14 connected with the vertical plate 10 are not changed, so that the first connecting rod 16 rotates anticlockwise around the worm wheel 12 and keeps the state of the first connecting rod 16 unchanged, namely, the first connecting rod 16 always keeps the same The structure is simple, the realization is easy, and the cost of each part is low, so that the maintenance cost is reduced;
the self state of the first auxiliary rod 16 is unchanged, the self state of the second auxiliary rod 17 is also unchanged, namely the first auxiliary rod 17 is always kept in a vertical state, along with the rotation of the first connecting rod 13 under the action of the gear pair and the connecting auxiliary rod, namely the second auxiliary rod 17 keeps the relative position of the first gear 15 and the second gear 20 unchanged, the first gear 15 drives the second gear 20 to rotate clockwise, the clockwise rotation of the second gear 20 synchronously drives the fourth connecting rod 19 to rotate clockwise around the center of the second gear 20, according to the motion characteristic of the parallel four-bar linkage mechanism, the clockwise rotation of the fourth connecting rod 19 synchronously drives the third connecting rod 18 to rotate clockwise through the third auxiliary rod 21, at the moment, the vertical state of the third auxiliary rod 21 is unchanged due to the unchanged vertical state of the second auxiliary rod 17, and the clockwise rotation of the fourth connecting rod 19 drives the position of the third auxiliary rod 21 to rise, so that the height of the lifting plate 8 is adjusted, and the same characteristic of the parallel four-bar linkage mechanism of the second connecting rod linkage assembly 7 is utilized to keep the The lifting plate 8 only moves in the vertical direction, namely, because the first connecting rod 13, the second connecting rod 14, the third connecting rod 18 and the fourth connecting rod 19 have the same structure, the leftward transverse displacement generated when the first connecting rod 13 rotates anticlockwise is offset with the rightward transverse displacement generated when the fourth connecting rod 19 rotates clockwise, so that when the lifting plate 8 synchronously rises along with the third auxiliary rod 21, the vertical rising of the lifting plate 8 is ensured, the lifting plate cannot be staggered with the base 2, and the second connecting rod assembly 7 and the first connecting rod assembly 6 are parallel four-connecting-rod mechanisms, so that the structure is simple, the realization is easy, the cost of each part is low, and the maintenance cost is reduced;
in the rotating process of the first connecting rod assembly 6 and the second connecting rod assembly 7, the angle of the first connecting rod assembly 6 and the second connecting rod assembly 7 is increased, so that the gravity center of the first connecting rod assembly 6 and the second connecting rod assembly 7 moves towards the left end of the base 2 in the figure 1, and the resistance moment generated by the self-weight of the base 2 and the structural components on the base 2 is reduced, so that the stability of the base 2 during installation of the propaganda banner is kept, the pressure at the connecting part of the base 2 and the angle steel plate 3 is reduced, and the service life and the safety of the whole device are improved;
after the position of the lifting plate 8 is roughly adjusted, the upper edge and the lower edge of the propaganda scroll are respectively fixed on the upper hanging frame 9 and the lower hanging frame 5, and the position height of the lifting plate 8 is adjusted again so that the propaganda scroll can be tensioned, in the embodiment, the driving part adopts a combined driving mechanism of the turbine 12 and the worm 11, and the turbine worm mechanism generally has a self-locking characteristic along the axial direction of the worm 11, so that when the lifting plate 8 stops at any position height, the stability of the lifting plate 8 can be kept by utilizing the self-locking characteristic of the turbine worm mechanism, the implementation can be realized without other locking mechanisms, the structure is simplified, the operation is convenient, and the height of the lifting plate 8 can be adjusted conveniently by adopting a height-adjustable mode of the lifting plate 8, so that the adaptability adjustment can be carried out according to the height of the propaganda scroll, the use range is wide;
step three: packing up the propaganda scroll: and the worm 11 is reversely rotated according to the operation mode in the step two, namely, the state shown in the figure 1 is changed to the state shown in the figure 2, the reverse rotation of the worm 11 synchronously drives the worm wheel 12 to reversely rotate, that is, the turbine 12 rotates clockwise, and the clockwise rotation of the turbine 12 synchronously drives the first connecting rod 13 to rotate clockwise around the center of the turbine 12, according to the motion characteristic of the parallel four-bar linkage, since the clockwise rotation of the first link 13 drives the second link 14 to rotate clockwise synchronously through the second sub-link 16, the same first sub-link 16 keeps the state unchanged while rotating clockwise around the turbine 12 along with the first link 13, the same inclination angle with the horizontal line is always kept, the state of the auxiliary connecting rod is kept unchanged in the rotating and lifting process of the auxiliary connecting rod by utilizing the characteristic of a parallel four-bar linkage mechanism of the connecting rod assembly I6, the structure is simple, the realization is easy, and the cost of each part is low, so that the maintenance cost is reduced;
the self state of the first auxiliary rod 16 is unchanged, the self state of the second auxiliary rod 17 is also unchanged, namely the first auxiliary rod 17 is always kept in a vertical state, the first auxiliary rod 15 drives the second gear 20 to rotate anticlockwise along with the clockwise rotation of the first connecting rod 13 under the action of the gear pair and the connecting auxiliary rod, namely the second auxiliary rod 17 keeps the relative position of the first gear 15 and the second gear 20 unchanged, the anticlockwise rotation of the second gear 20 synchronously drives the fourth connecting rod 19 to rotate anticlockwise around the center of the second gear 20, according to the motion characteristic of the parallel four-bar linkage mechanism, the anticlockwise rotation of the fourth connecting rod 19 synchronously drives the third connecting rod 18 to rotate anticlockwise through the third auxiliary rod 21, at the moment, the vertical state of the third auxiliary rod 21 is unchanged due to the unchanged vertical state of the second auxiliary rod 17, and the anticlockwise rotation of the fourth connecting rod 19 drives the third auxiliary rod 21 to rotate and simultaneously descend, so that the lifting plate 8 synchronously descends along with the third auxiliary rod 21, and the lifting plate 8 descends, the same characteristic of the parallel four-bar linkage mechanism of the second connecting rod assembly 7 is utilized to keep the third auxiliary rod 21 to move only in the vertical direction in the rotating and descending process, namely, because the first connecting rod 13, the second connecting rod 14, the third connecting rod 18 and the fourth connecting rod 19 have the same structure, the right transverse displacement generated when the first connecting rod 13 rotates clockwise is offset with the left transverse displacement generated when the fourth connecting rod 19 rotates anticlockwise, so that the vertical descending of the lifting plate 8 is ensured without being staggered with the base 2 when the lifting plate 8 synchronously descends along with the third auxiliary rod 21, and the second connecting rod assembly 7 and the first connecting rod assembly 6 are parallel four-bar linkages, the structure is simple, the realization is easy, the cost of each part is low, and the maintenance cost is reduced;
after the lifting plate 8 descends, the propaganda scroll is in a loose state, the propaganda scroll can be taken down from the upper hanger 9 and the lower hanger 5, the operation is simple and convenient, then the worm 11 is continuously rotated reversely, so that the lifting plate 8 descends to the lowest position, namely the first connecting rod 13 and the third connecting rod 18 are kept horizontal, the lifting plate 8 is in the lowest position at the moment, the use of the guardrail frame 1 is not influenced, and because the integral gravity center of the lifting plate 8 moves to the right side of the base 2 when the lifting plate 8 descends, a rib plate is arranged between the lower surface of the base 2 and the vertical section of the angle steel plate 3, and the support stability of the base 2 is improved;
some ornaments can be put on the upper surface of the lifting plate 8, so that the atmosphere of a market is increased, the appearance is attractive, the clamping strip 26 can be lowered to be separated from the bottom edge of the guardrail frame 1 by rotating the screw rod 23, the base 2 can be taken down, the operation is simple and convenient, and the disassembly is convenient.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An extensible guardrail frame, includes guardrail frame (1) and base (2) that are used for supporting and installing the propaganda banner, its characterized in that: the angle steel plate (3) and the lower hanging frame (5) are fixed on the base (2), a fastening mechanism (4) is fixed on the angle steel plate (3), and the fastening mechanism (4) can be fixedly connected with the guardrail frame (1);
be provided with the drive division on base (2) and by the telescopic machanism of drive division driven, telescopic machanism includes link assembly one (6) and link assembly two (7), just the lower extreme and the drive division of link assembly one (6) are connected, the lower extreme of link assembly two (7) is connected through connecting auxiliary rod and a set of gear pair in the upper end of link assembly one (6), upper end fixed connection lifter plate (8) of link assembly two (7), lifter plate (8) lower fixed surface has last stores pylon (9) that corresponds with lower stores pylon (5).
2. An expandable guardrail frame of claim 1, wherein: the driving part comprises a vertical plate (10) fixed on the left side of the base (2), the vertical plate (10) is connected with a worm (11) in a fixed-shaft rotating mode, the worm (11) is vertically arranged, the vertical plate (10) is further connected with a turbine (12) in a fixed-shaft rotating mode, and the turbine (12) is meshed with the worm (11) in a connected mode.
3. An expandable guardrail frame of claim 2, wherein: connect the auxiliary rod and be L type integration by auxiliary rod one (16) and auxiliary rod two (17) and form, the gear pair includes gear one (15) and gear two (20), gear one (15) articulated connection is in the junction of auxiliary rod one (16) and auxiliary rod two (17), gear two (20) articulated connection keeps away from the one end of auxiliary rod one (16) on auxiliary rod two (17).
4. An expandable guardrail frame of claim 3, wherein: the first connecting rod assembly (6) comprises a first connecting rod (13) and a second connecting rod (14), the first connecting rod (13) and the second connecting rod (14) are identical in structure, one end of the first connecting rod (13) is fixedly connected with the turbine (12), the other end of the first connecting rod (13) is fixedly connected with the first gear (15), one end of the second connecting rod (14) is hinged to the vertical plate (10), the other end of the second connecting rod (14) is hinged to one end, far away from the second auxiliary rod (17), of the first auxiliary rod (16), and the first connecting rod (13) and the second connecting rod (14) are parallel to each other; the second connecting rod assembly (7) comprises a third connecting rod (18) and a fourth connecting rod (19), the third connecting rod (18), the fourth connecting rod (19), the first connecting rod (13) and the second connecting rod (14) are identical in structure, one end of the third connecting rod (18) is hinged to the second auxiliary rod (17) and is connected with one end of the first auxiliary rod (16), the other end of the third connecting rod is hinged to the lower end of the third auxiliary rod (21), one end of the fourth connecting rod (19) is fixedly connected with the second gear (20), the other end of the fourth connecting rod is hinged to the middle of the third auxiliary rod (21), and the third connecting rod (18) and the fourth connecting rod (19) are parallel to each other; the upper end of the third auxiliary rod (21) is vertically fixed on the lower surface of the lifting plate (8), and the third auxiliary rod (21) is parallel to the second auxiliary rod (17) and always kept vertical.
5. An expandable guardrail frame of claim 1, wherein: the cross section of angle steel plate (3) is right angle L shape, the left end at base (2) is fixed to the outside corner of angle steel plate (3), and the horizontal segment upper surface of angle steel plate (3) and the upper surface of base (2) keep the level, through floor fixed connection between the lower surface of base (2) and the vertical section of angle steel plate (3).
6. An expandable guardrail frame of claim 5, wherein: the fastening mechanism (4) comprises a baffle plate (22) perpendicular to the horizontal section of the angle steel plate (3).
7. An expandable guardrail frame of claim 6, wherein: the baffle (22) is fixed on the side edge of the upper surface of the horizontal section of the angle steel plate (3) far away from the base (2).
8. An expandable guardrail frame of claim 7, wherein: fastening device (4) still include lead screw (23) and card strip (26), the middle part both sides of lead screw (23) all are provided with one section external screw thread, and two sections external screw threads turn to opposite, and equal threaded connection has swivel nut (24), two on each section external screw thread swivel nut (24) symmetrical arrangement, and the upper and lower both ends of swivel nut (24) are respectively through ejector pin (25) articulated connection card strip (26) and angle steel board (3), card strip (26) sliding connection is on spout (27) on baffle (22), and spout (27) move towards the horizontal segment of perpendicular to angle steel board (3).
9. The method of using an expandable hurdle as claimed in any one of claims 1 to 8 wherein: the method comprises the following steps:
the method comprises the following steps: the base (2) is arranged at the bottom of the guardrail frame (1) through a fastening mechanism (4) and an angle steel plate (3);
step two: the driving part is used for driving the connecting rod assembly I (6) and the connecting rod assembly II (7) to enable the lifting plate (8) to be lifted and hang the propaganda scroll;
step three: and the driving part is used for driving the connecting rod assembly I (6) and the connecting rod assembly II (7) to enable the lifting plate (8) to descend and take down the propaganda scroll.
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| CN201911356027.3A CN111042464B (en) | 2019-12-25 | 2019-12-25 | Extensible guardrail frame and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516709A (en) * | 2020-05-09 | 2020-08-11 | 吴婷婷 | Support pedal for track platform and use method thereof |
| CN113324203A (en) * | 2021-06-09 | 2021-08-31 | 干鸿飞 | Intelligent corridor lighting device for building |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4841697A (en) * | 1985-06-14 | 1989-06-27 | Town Centre Securities, Plc | Glass panel mounting assembly |
| CN102120551A (en) * | 2011-04-18 | 2011-07-13 | 浙江宏鑫电子有限公司 | Four-connecting-rod electric jack |
| CN104453354A (en) * | 2014-10-21 | 2015-03-25 | 广东坚朗五金制品股份有限公司 | Guardrail post |
| CN206091129U (en) * | 2016-09-27 | 2017-04-12 | 中国航天建设集团有限公司 | From luminescent glass breast board and building corridor |
| CN207469630U (en) * | 2017-09-23 | 2018-06-08 | 上海蓝天房屋装饰工程有限公司 | A kind of glass guardrail system |
| CN110495709A (en) * | 2019-08-02 | 2019-11-26 | 珠海市润星泰电器有限公司 | A kind of stepless adjustable telescopic device and its application method |
-
2019
- 2019-12-25 CN CN201911356027.3A patent/CN111042464B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4841697A (en) * | 1985-06-14 | 1989-06-27 | Town Centre Securities, Plc | Glass panel mounting assembly |
| CN102120551A (en) * | 2011-04-18 | 2011-07-13 | 浙江宏鑫电子有限公司 | Four-connecting-rod electric jack |
| CN104453354A (en) * | 2014-10-21 | 2015-03-25 | 广东坚朗五金制品股份有限公司 | Guardrail post |
| CN206091129U (en) * | 2016-09-27 | 2017-04-12 | 中国航天建设集团有限公司 | From luminescent glass breast board and building corridor |
| CN207469630U (en) * | 2017-09-23 | 2018-06-08 | 上海蓝天房屋装饰工程有限公司 | A kind of glass guardrail system |
| CN110495709A (en) * | 2019-08-02 | 2019-11-26 | 珠海市润星泰电器有限公司 | A kind of stepless adjustable telescopic device and its application method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516709A (en) * | 2020-05-09 | 2020-08-11 | 吴婷婷 | Support pedal for track platform and use method thereof |
| CN111516709B (en) * | 2020-05-09 | 2021-02-09 | 吴婷婷 | Support pedal for track platform and use method thereof |
| CN113324203A (en) * | 2021-06-09 | 2021-08-31 | 干鸿飞 | Intelligent corridor lighting device for building |
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|---|---|
| CN111042464B (en) | 2021-11-02 |
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Effective date of registration: 20240418 Address after: Building D13, innovation and entrepreneurship Park, economic development zone, Sanjia sub district office, Leiyang City, Hengyang City, Hunan Province, 421800 Patentee after: Hunan tonglebao Industrial Co.,Ltd. Country or region after: China Address before: 325200 No. 32, Tai'an street, caochun Town, Rui'an City, Wenzhou City, Zhejiang Province Patentee before: Shi Jingyi Country or region before: China |