CN112944148B - Safety warning device for building engineering management - Google Patents
Safety warning device for building engineering management Download PDFInfo
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- CN112944148B CN112944148B CN202110103481.9A CN202110103481A CN112944148B CN 112944148 B CN112944148 B CN 112944148B CN 202110103481 A CN202110103481 A CN 202110103481A CN 112944148 B CN112944148 B CN 112944148B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a safety warning device for building engineering management, which relates to the technical field of warning devices and comprises a base, a fixed rod, a loop bar, two swing rods, a driving mechanism, a connecting rod, two limiting rings and a stop block, wherein the fixed rod is vertically arranged on the base; the sleeve rod is vertically sleeved on the fixed rod in a sliding manner, and a limiting mechanism is arranged between the sleeve rod and the fixed rod; the two swing rods are respectively hinged on two opposite sides of the loop bar; the driving mechanism is arranged in the inner cavity of the fixed rod; the connecting rod is fixedly connected to the driving mechanism, is driven by the driving mechanism to do linear reciprocating motion, and drives the two oscillating bars to symmetrically rotate through the transmission assembly; the two limit rings are fixedly arranged on the inner wall of the loop bar; the stop block is fixedly connected to the connecting rod and is positioned between the two limiting rings. The invention can drive the loop bar to slide downwards on the fixed bar and simultaneously lead the two swing rods to rotate and retract, thereby being convenient for integral storage and transportation.
Description
Technical Field
The invention relates to the technical field of warning devices, in particular to a safety warning device for building engineering management.
Background
Potential safety hazards such as falling objects, pot holes, sundry obstacles and the like exist in construction places of constructional engineering, a safety warning device is required to be arranged in dangerous areas of the construction places to warn personnel to pay attention to safety or not to approach, construction information is displayed when necessary, people are prevented from entering the construction places by mistake, and construction safety system engineering is built well to achieve the aim of construction safety production.
If the application publication number is CN211294490U, the granted announcement date is 2020, 8 and 18 days, the applicant is a patent of the fifth project administration Limited company of China building and is named as 'a safety warning device for building construction safety protection', the safety warning device comprises a warning device main body, a warning board, a shrinkage support rod and a base, the middle part of the warning device main body is embedded and connected with the shrinkage support rod, the inner top part of the shrinkage support rod is embedded and connected with an embedded opening, the bottom part of the shrinkage support rod is fixedly connected with a connecting column, the middle part of the connecting column is connected with a through rod in a penetrating way, two sides of the through rod are fixedly connected with fixed shafts, the middle periphery of the shrinkage support rod is movably connected with a movable nut, the inner bottom part of the shrinkage support rod is embedded and connected with a limiting hole, the bottom part of the warning device main body is fixedly connected with the base, the periphery of the top part of the base is movably connected with an adjusting rod, and the periphery of the bottom part of the base is movably connected with supporting legs, the inside top both sides fixedly connected with bearing of base, the bottom fixedly connected with transfer line of bearing, the bottom both sides fixedly connected with trace of transfer line, the inboard fixedly connected with swivel nut in bottom of trace, swivel nut's inside through connection has the activity double-screw bolt, the inside bottom fixedly connected with fixed rolling wheel of base, the opposite side fixedly connected with handle of base to realize that it stably places and convenient the removal.
Among the prior art, the safety warning device that building engineering management used generally can used repeatedly, need transport and deposit before using and after using, and most whole volume is great moreover, is not convenient for accomodate and carry, also leads to playing the sign or the electronic equipment damage of warning effect easily in handling, also has partial safety warning device to pack up foldingly, but no matter pack up and deposit or expand the process of using and all be more loaded down with trivial details, it is not convenient to operate.
Disclosure of Invention
The invention aims to provide a safety warning device for building engineering management, which is used for solving the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: a safety warning device for building engineering management comprises a base, a fixed rod, a loop bar, two swing rods, a driving mechanism, a connecting rod, two limiting rings and a stop block, wherein the fixed rod is vertically arranged on the base; the sleeve rod is vertically sleeved on the fixed rod in a sliding manner, and a limiting mechanism for limiting the sleeve rod to slide upwards away from the fixed rod is arranged between the bottom of the sleeve rod and the top of the fixed rod; the two swing rods are respectively hinged on two opposite sides of the loop bar; the driving mechanism is arranged in the inner cavity of the fixed rod; the connecting rod is fixedly connected to the driving mechanism, is driven by the driving mechanism to do linear reciprocating motion, and drives the two oscillating bars to symmetrically rotate through the transmission assembly; the two limit rings are fixedly arranged on the inner wall of the loop bar; the stop block is fixedly connected to the connecting rod and is positioned between the two limiting rings.
Furthermore, the transmission assembly comprises a double-sided rack, two first gears and two second gears, wherein the two opposite sides of the double-sided rack are provided with teeth in an arrayed manner and are fixedly connected to the top of the connecting rod; the two first gears are respectively arranged on the hinged shafts of the two swing rods and synchronously rotate with the corresponding swing rods; and the two second gears are rotationally arranged on the loop bar, one of the second gears is respectively meshed with one first gear and one tooth surface of the double-sided rack, and the other second gear is respectively meshed with the other first gear and the other tooth surface of the double-sided rack.
Further, stop gear includes first stopper and second stopper, vertical recess has been seted up to the side of dead lever, first stopper fixed connection is in the recess at dead lever top, second stopper fixed connection is inboard in loop bar bottom to be located the recess and keep off with first fixed block and connect the cooperation.
Further, the driving mechanism is a hydraulic cylinder or an electric push rod.
Furthermore, a rectangular groove is formed in one side of the swing rod, and an electronic display board is arranged in the rectangular groove of the swing rod in a sliding mode.
Furthermore, the power mechanism for driving the electronic display board to slide in the rectangular groove is also included.
Further, the power mechanism comprises a first bevel gear, a shaft rod, a second bevel gear, a third gear, a rack and an elastic unit, wherein the first bevel gear is coaxially and fixedly connected to a hinged shaft of the swing rod and is fixed relative to the loop bar; the shaft lever is rotationally connected to a connecting block fixedly arranged on the swing rod; the second bevel gear is coaxially connected to the shaft lever and meshed with the first bevel gear; the third gear is coaxially connected to the shaft lever; the rack is arranged on one side of the electronic display board and is meshed and matched with the third gear.
Further, the rack is connected with the electronic display board in a sliding mode along the front-back horizontal direction of the electronic display board; the elastic unit drives the rack to slide towards the third gear in the process of recovering the elastic deformation; the stop block and the limiting ring positioned below the stop block are both magnetic structures capable of being adsorbed mutually.
Further, still include warning light and top cap, the warning light is fixed to be set up the top of two-sided rack, the top cap lid closes the top of loop bar, and the through-hole that supplies the warning light to pass through is seted up at the top.
Further, the LED lamp also comprises a power supply which is arranged in the base, and the power supply is respectively electrically connected with the driving mechanism, the electronic display board and the warning lamp.
In the technical scheme, the connecting rod is driven by the driving mechanism to drive the double-sided rack to do linear motion in the vertical direction, and the sleeve rod can vertically slide on the fixed rod through the blocking and matching of the blocking blocks and the two limiting rings, so that the sleeve rod is lifted when in warning, and is lowered when not applicable, and the whole storage and transportation are convenient; simultaneously, the two swing rods can be symmetrically rotated synchronously through the transmission mechanism, so that the two swing rods are rotated upwards to be unfolded during warning, warning signs are posted on the front side and the rear side of the swing rods, and warning and blocking effects are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention during stowage;
FIG. 2 is an enlarged view of the structure A of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a right side view of the overall structure in the stowed position as provided by the present embodiment;
FIG. 4 is an enlarged view of the structure B in FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of the overall structure in the stowed position provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a transmission connection structure between the power mechanism and the transmission mechanism when the folding mechanism is folded according to an embodiment of the present invention;
FIG. 7 is a schematic view of the overall structure of the present invention during lifting;
FIG. 8 is a cross-sectional view of the overall structure at the time of lifting provided by an embodiment of the present invention;
FIG. 9 is a schematic view of the overall structure of the T-shaped stent of the present invention;
FIG. 10 is a cross-sectional view of the overall T-shaped structure of the present invention when deployed;
FIG. 11 is an enlarged view of the structure of FIG. 10 at C in accordance with an embodiment of the present invention;
FIG. 12 is an enlarged view of the structure of FIG. 10 at D in accordance with an embodiment of the present invention;
FIG. 13 is a schematic view of a T-shaped connection structure of the loop bar, the transmission mechanism, the power mechanism and the swing link during unfolding according to the embodiment of the present invention;
FIG. 14 is a schematic view of a transmission connection structure between the transmission mechanism and the power mechanism during T-shaped deployment according to an embodiment of the present invention;
fig. 15 is a schematic view of a connection structure of a rack and an elastic unit according to an embodiment of the present invention;
FIG. 16 is a schematic view of a connection structure of a swing link, an electronic display board and an elastic unit according to an embodiment of the present invention;
FIG. 17 is a schematic view of the overall Y-shape of the present invention;
FIG. 18 is an enlarged view of the structure of FIG. 17 at E in accordance with an embodiment of the present invention;
FIG. 19 is a cross-sectional view of a Y-shaped deployed overall structure according to an embodiment of the present invention;
FIG. 20 is a schematic view of the linear deployment of the present invention;
FIG. 21 is an enlarged view of the structure of FIG. 20 at F in accordance with an embodiment of the present invention;
fig. 22 is a cross-sectional view of the linear deployment of an embodiment of the present invention.
Description of reference numerals:
1. a base; 2. fixing the rod; 2.1, grooves; 3. a loop bar; 3.1, a first bump; 3.2, hinging shafts; 4. a limiting mechanism; 4.1, a first limiting block; 4.2, a second limiting block; 5. a swing rod; 5.1, a rectangular groove; 5.2, a second bump; 6. a drive mechanism; 7. a connecting rod; 8. a transmission assembly; 8.1, double-sided racks; 8.2, a first gear; 8.3, a second gear; 9. a limiting ring; 10. a stopper; 11. an electronic display panel; 12. a power mechanism; 12.1, a first bevel gear; 12.2, a shaft rod; 12.3, a second bevel gear; 12.4, a third gear; 12.5, a rack; 12.6, an elastic unit; 12.61, fixing blocks; 12.32, compression spring; 13. a warning light; 14. and a top cover.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 22, a safety warning device for building engineering management according to an embodiment of the present invention includes a base 1, a fixing rod 2, a loop bar 3, two swing bars 5, a driving mechanism 6, a connecting rod 7, two limiting rings 9, and a stop block 10, wherein the fixing rod 2 is vertically disposed on the base 1; the sleeve rod 3 is vertically sleeved on the fixed rod 2 in a sliding manner, and a limiting mechanism 4 for limiting the sleeve rod 3 to slide upwards away from the fixed rod 2 is arranged between the bottom of the sleeve rod 3 and the top of the fixed rod 2; the two swing rods 5 are respectively hinged on two opposite sides of the loop bar 3; the driving mechanism 6 is arranged in the inner cavity of the fixed rod 2; the connecting rod 7 is fixedly connected to the driving mechanism 6, the connecting rod 7 is driven by the driving mechanism 6 to do linear reciprocating motion, and the two swing rods 5 are driven by the transmission assembly 8 to symmetrically rotate relative to the loop bar 3; the two limit rings 9 are fixedly arranged on the inner wall of the loop bar 3; the stop 10 is fixedly connected to the connecting rod 7 and is located between the two limit rings 9.
Specifically, the base 1 is a structure with a certain weight so that the whole device can be stably placed, for example, the base 1 is in a regular frustum pyramid shape, the area of the lower bottom surface of the base is larger than that of the upper bottom surface of the base, the fixing rod 2 is vertically arranged at the center of the upper bottom surface of the base 1, the loop bar 3 is vertically slidably sleeved on the fixing rod 2, the loop bar 3 is a rod-shaped mechanism which is provided with a through groove in a penetrating way along the length direction, the through groove is matched with the peripheral side of the fixing rod 2, the loop bar 3 is sleeved outside the fixing rod 2, so that the loop bar 3 can slide on the fixing rod 2, the limiting mechanism 4 is used for preventing the loop bar 3 from sliding off the fixing rod 2, preferably, the limiting mechanism 4 comprises a first limiting block 4.1 and a second limiting block 4.2, the side surface of the fixing rod 2 is provided with a vertical groove 2.1, the first limiting block 4.1 is fixedly connected in the groove 2.1 at the top of the fixing rod 2, the second limiting block 4.2 is fixedly connected at the inner side of the bottom of the loop bar 3, and is positioned in the groove 2.1 and matched with the first fixed block 12.61 in a blocking way; the end parts of the two swing rods 5 are respectively hinged at the top parts of two opposite sides of the loop bar 3, specifically, the top part of the side surface of the loop bar 3 is fixedly connected with a first convex block 3.1, a hinged shaft 3.2 is fixedly connected on the first convex block 3.1, the end part of the swing rod 5 is fixedly connected with a second convex block 5.2, a round hole is arranged on the second convex block 5.2, a bearing is embedded in a cylinder, the inner ring of the bearing is fixedly sleeved on the peripheral side surface of the hinged shaft 3.2, so that the swing rod 5 can rotate relative to the loop bar 3, the length of the swing rod 5 is not more than that of the loop bar 3, a driving mechanism 6 is a hydraulic cylinder or an electric push rod and is used for driving a connecting rod 7 to do linear reciprocating motion, the connecting rod 7 is connected on the open end of a hydraulic rod of the hydraulic cylinder or the open end of a screw rod of the electric push rod, the linear motion of the connecting rod 7 is converted into symmetrical rotation of the two swing rods 5 through a transmission component 8, the symmetrical shaft is a vertical central line of the loop bar 3, two limiting rings 9 are fixedly arranged on the inner wall of the loop bar 3 one above and below, the connecting rod 7 can pass through from the center circle of two spacing rings 9, and dog 10 fixed connection is in connecting rod 7 side to be located between two spacing rings 9, dog 10 is cyclic annular or cubic, and can't pass the center circle of two spacing rings 9, and keep off with two spacing rings 9 and connect the cooperation.
According to the safety warning device for building engineering management, the connecting rod 7 is driven by the driving mechanism 6 to drive the double-sided rack 8.1 to do linear motion in the vertical direction, and the sleeve rod 3 can vertically slide on the fixed rod 2 through the blocking and matching of the blocking block 10 and the two limiting rings 9, so that the sleeve rod 3 is lifted when warning is performed, and the sleeve rod 3 is lowered when not applicable, and the whole storage and transportation are facilitated; meanwhile, the two swing rods 5 can be synchronously and symmetrically rotated through the transmission mechanism, so that the two swing rods 5 are upwards rotated and unfolded during warning, warning signs are pasted on the front sides and the rear sides of the swing rods 5, and warning and blocking effects are achieved.
As a preferred technical solution of this embodiment, the bottom of the fixing rod 2 is rotatably connected to the base 1, and the rotation between the fixing rod 2 and the base 1 is provided with a damping or a locking mechanism between the fixing rod and the base so that the fixing rod 2 can rotate or be fixed on the base 1, for example, the fixing rod 2 is tightly supported or loosened by a bolt screwed on the base 1, so that when the orientation of the warning slogan on the swing rod 5 needs to be adjusted, the heavy base 1 does not need to be rotated, and the orientation of the warning slogan can be adjusted by only rotating the fixing rod 2.
As a further preferable technical solution of this embodiment, the transmission assembly 8 includes a double-sided rack 8.1, two first gears 8.2 and two second gears 8.3, wherein two opposite side surfaces of the double-sided rack 8.1 are both arranged with teeth, and are fixedly connected to the top of the connecting rod 7, and are on the same vertical line with the connecting rod 7; the two first gears 8.2 are respectively arranged on the hinge shafts 3.2 of the two swing rods 5 and synchronously rotate with the corresponding swing rods 5, namely the first gears 8.2 are relatively fixed with the corresponding swing rods 5, the two second gears 8.3 are both rotatably arranged on the loop bar 3, one second gear 8.3 is respectively meshed with one first gear 8.2 and one tooth surface of the double-sided rack 8.1, and the other second gear 8.3 is respectively meshed with the other first gear 8.2 and the other tooth surface of the double-sided rack 8.1. The two limit rings 9 are matched with the stop blocks 10, so that the double-sided rack 8.1 can be always meshed with the two second gears 8.3, the driving mechanism 6 drives the double-sided rack 8.1 to vertically move through the connecting rod 7, the double-sided rack 8.1 simultaneously drives the two second gears 8.3 to rotate, the two second gears 8.3 respectively drive the corresponding first gears 8.2 to rotate, and the first gears 8.2 drive the corresponding swing rods 5 to rotate, when the invention is folded, the two swing rods 5 vertically downwards and are parallel to the loop bar 3, the stop blocks 10 are in blocking connection with the limit rings 9 below the stop blocks, when the driving mechanism 6 drives the connecting rod 7 and the double-sided rack 8.1 to upwards move, the two swing rods 5 upwards swing through the transmission of the second gears 8.3 and the first gears 8.2, when each swing rod 5 rotates for a certain angle, such as between 90 degrees and 180 degrees, specifically, such as each swing rod 5 upwards rotates for example, when the two swing rods 5 are horizontal, the stop blocks 10 are in line with the limit rings 9 above, at the moment, the connecting rod 7 drives the loop bar 3 to slide upwards, so that the loop bar 3, the swing rod 5 and the warning slogans on the swing rod 5 are lifted, and the warning and blocking effects are achieved; the starting mechanism enables the connecting rod 7 to move downwards, the energy is increased, the loop bar 3 can slide downwards and be folded, and meanwhile, the swing rod 5 swings downwards to be in a vertical state, so that the device is convenient to store and carry.
In another embodiment provided by the invention, one side of the swing rod 5 is provided with a rectangular groove 5.1, an electronic display panel 11 is arranged in the rectangular groove 5.1 of the swing rod 5 in a sliding manner, at least one side of the front side and the rear side of the electronic display panel 11 can display warning slogans, warning light, warning contents and the like and play a role of warning at night, when the warning is given, the electronic display panel 11 is slid out of the groove 2.1, and when the electronic display panel 11 is transported or stored after the warning is finished, the electronic display panel 11 is slidingly accommodated in the groove 2.1, so that the electronic display panel can be transported and stored conveniently, the relatively fragile electronic display panel 11 can be protected, and the electronic display panel 11 is prevented from being exposed outside and damaged.
Furthermore, the device also comprises a power mechanism 12 for driving the electronic display board 11 to slide in the rectangular groove 5.1, wherein the power mechanism 12 for driving the electronic display board 11 to slide out of or into the groove 2.1 of the swing rod 5 is driven manually, or driven by a motor or hydraulic pressure.
In another embodiment of the present invention, the power mechanism 12 is a linkage mechanism that drives the rotation of the swing link 5, the power mechanism 12 includes a first bevel gear 12.1, a shaft rod 12.2, a second bevel gear 12.3, a third gear 12.4, a rack 12.5 and an elastic unit 12.6, wherein the first bevel gear 12.1 is coaxially and fixedly connected to a hinge shaft 3.2 of the swing link 5 and is fixed relative to the loop bar 3, i.e. the hinge shaft 3.2 is fixedly connected to the first bump 3.1, the first bevel gear 12.1 is coaxially and fixedly connected to the hinge shaft 3.2, and the first bevel gear 12.1 does not rotate all the time; the shaft lever 12.2 is rotationally connected to a connecting block fixedly arranged on the swing rod 5; the second bevel gear 12.3 is coaxially connected to the shaft rod 12.2 and is meshed with the first bevel gear 12.1; the third gear 12.4 is coaxially connected to the shaft 12.2; the rack 12.5 is disposed on one side of the electronic display board 11 and is in meshing engagement with the third gear 12.4. When the swing link 5 rotates, the structures of the power mechanism 12 except the first bevel gear 12.1 all rotate along with the swing link 5, the rotation center is a hinge shaft 3.2, the second bevel gear 12.3 is meshed with the first bevel gear 12.1, so that the second bevel gear 12.3 rotates along with the rotation of the swing link 5, further the shaft lever 12.2 and the third gear 12.4 rotate, and the third gear 12.4 is meshed with the rack 12.5 to drive the rack 12.5 and the electronic display panel 11 to slide into or out of the groove 2.1, for example, the maximum rotation range of the swing link 5 is 90 degrees, the swing link 5 rotates 90 degrees upwards from a retracted state, the electronic display panel 11 slides out of the groove 2.1 to the maximum extent, the swing link 5 rotates 90 degrees downwards again, and the electronic display panel 11 completely slides into the groove 2.1.
On the basis of the above embodiment, the present invention provides a further embodiment, wherein the rack 12.5 is slidably connected to the electronic display board 11 along the front-back horizontal direction of the electronic display board 11; the electronic display board further comprises an elastic unit 12.6, the rack 12.5 is driven to slide towards the third gear 12.4 in the process that the elastic unit 12.6 recovers elastic deformation, specifically, the elastic unit 12.6 comprises a fixed block 12.61 and a pressure spring 12.32, the fixed block 12.61 is fixedly connected to the end portion of the electronic display board 11 and is located at the same end as the rack 12.5, two ends of the pressure spring 12.32 are respectively connected with the fixed block 12.61 and the rack 12.5, and the rack 12.5 is abutted to the third gear 12.4 by the elastic force of the pressure spring 12.32; the stop block 10 and the limiting ring 9 positioned below the stop block 10 are both magnetic structures capable of being mutually adsorbed, such as magnets, when the electronic display device is in a folding state, the stop block 10 and the limiting ring 9 positioned below the stop block 10 are in a contact adsorption state, the driving mechanism 6 drives the connecting rod 7 to move upwards, the connecting rod 7 can drive the loop bar 3 to slide upwards and rise to the maximum extent, then the connecting rod 7 continues to move upwards, the stop block 10 breaks away from the adsorption force between the stop block 10 and the limiting ring 9 below, and then the swing rod 5 is driven by the transmission mechanism to rotate and expand and the electronic display panel 11 is driven by the power mechanism 12 to slide out of the groove 2.1; in order to further improve the warning heights of the electronic display board 11 and the swing rod 5 and increase the warning patterns of the electronic display board 11 and the swing rod 5, when the maximum rotation amplitude of the swing rod 5 is larger than 90 degrees (which can be realized by adjusting the transmission ratio of the second gear 8.3 and the first gear 8.2 or changing the distance between the two limit blocks to adjust the movement distance of the rack 12.5 relative to the loop bar 3), if the maximum rotation amplitude of the swing rod 5 is 180 degrees, and the swing rod 5 rotates upwards to the horizontal state, i.e. when rotating 90 degrees, the electronic display board 11 slides out of the groove 2.1 to the maximum extent, at this moment, the driving mechanism 6 continues to make the double-sided rack 8.1 move upwards through the connecting rod 7, and the two swing rods 5 continue to rotate upwards through the transmission mechanism, so that the warning heights of the two swing rods 5 are increased and the two swing rods 5 and the loop bar 3 form a Y-shaped warning pattern (the upward rotation range of the swing rods 5 is larger than 90 degrees and smaller than 180 degrees) or a linear warning pattern (the two swing rods 5 respectively rotate upwards by 180 degrees and are in a vertical state), in the process that the rotation angle of the swing rod 5 exceeds 90 degrees, because the second bevel gear 12.3 is continuously engaged with the first bevel gear 12.1, the second bevel gear 12.3, the shaft rod 12.2 and the third bevel gear 12.4 continuously rotate, the third bevel gear 12.4 drives the rack 12.5 to continuously slide away from the groove 2.1, but in the process, the electronic display panel 11 already slides out of the groove 2.1 in the maximum amplitude, so that the electronic display panel 11 cannot continuously slide away from the groove 2.1 in the process, and the elastic unit 12.6 has the function that when the electronic display panel 11 cannot continuously slide away from the groove 2.1 and the third bevel gear 12.4 drives the rack 12.5 to continuously slide away from the groove 2.1, the rack 12.5 can slide towards the direction of further compressing the spring, so that the third bevel gear 12.4 is disengaged from the rack 12.5, and the third bevel gear 12.4 idles; when the driving mechanism 6 drives the connecting rod 7 to move downwards to enable the swing rod 5 to be retracted from the Y-shaped warning pattern or the linear warning pattern, the connecting rod 7 enables the swing rod 5 to rotate downwards through the transmission mechanism, meanwhile, the electronic display panel 11 slides into the groove 2.1 through the power mechanism 12, when the swing rod 5 rotates downwards for 90 degrees, the electronic display panel 11 completely slides into the groove 2.1, the connecting rod 7 continues to move downwards to drive the swing rod 5 to continue to rotate downwards, at the moment, the rack 12.5 can slide towards the direction of further compressing the spring, so that the third gear 12.4 is disengaged from the rack 12.5, and the third gear 12.4 idles until the swing rod 5 rotates downwards to the vertical retracted state.
Further, first stopper 4.1 and second stopper 4.2 are the magnetic structure that can adsorb each other, when collecting up pendulum rod 5 from Y shape warning pattern or linear warning pattern, because the adsorption of first stopper 4.1 and second stopper 4.2, when actuating mechanism 6 drive connecting rod 7 downstream, connecting rod 7 can drive pendulum rod 5 through drive mechanism earlier and rotate downwards, drive electronic display panel 11 through power unit 12 simultaneously and slide in recess 2.1, connecting rod 7 can continue the downstream after that, pendulum rod 5 rotates downwards to vertical state of packing up, connecting rod 7 keeps off with the spacing ring 9 of below and connects, then connecting rod 7 continues the downstream and drives loop bar 3 and slide downwards and pack up.
In another embodiment provided by the invention, the double-sided rack bar type electric heating cooker further comprises a warning lamp 13 and a top cover 14, the warning lamp 13 is fixedly arranged at the top of the double-sided rack bar 8.1, the top cover 14 covers the top of the sleeve rod 3, and the top of the double-sided rack bar is provided with a through hole for the warning lamp 13 to pass through, when the connecting rod 7 moves upwards relative to the sleeve rod 3, the warning lamp 13 is lifted from the lower part of the top cover 14 to the upper part of the top cover 14, and light emitted by the warning lamp 13 can warn others at a longer distance.
Further, the portable electronic device further comprises a power supply (not shown in the figure), wherein the power supply is arranged inside the base 1, the power supply is respectively and electrically connected with the driving mechanism 6, the electronic display board 11 and the warning lamp 13, and the power supply is a storage battery or is directly connected with commercial power.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (4)
1. A safety warning device for building engineering management, characterized by comprising:
a base;
the fixed rod is vertically arranged on the base;
the sleeve rod is vertically sleeved on the fixed rod in a sliding manner, and a limiting mechanism for limiting the sleeve rod to slide upwards away from the fixed rod is arranged between the bottom of the sleeve rod and the top of the fixed rod;
the two swing rods are respectively hinged on two opposite sides of the loop bar;
a driving mechanism arranged in the inner cavity of the fixed rod;
the connecting rod is fixedly connected to the driving mechanism, the connecting rod is driven by the driving mechanism to do linear reciprocating motion and drives the two oscillating rods to symmetrically rotate through the transmission assembly, the driving mechanism is a hydraulic cylinder or an electric push rod and is used for driving the connecting rod to do linear reciprocating motion, the connecting rod is connected to the open end of a hydraulic rod of the hydraulic cylinder or the open end of a screw rod of the electric push rod, and the linear motion of the connecting rod is converted into symmetrical rotation of the two oscillating rods through the transmission assembly;
the two limiting rings are fixedly arranged on the inner wall of the loop bar;
the stop block is fixedly connected to the connecting rod and is positioned between the two limiting rings;
the transmission assembly includes:
the two opposite sides of the double-sided rack are provided with teeth in an arrayed manner and are fixedly connected to the top of the connecting rod;
the two first gears are respectively arranged on the articulated shafts of the two swing rods and synchronously rotate with the corresponding swing rods;
two second gears which are both rotationally arranged on the loop bar, wherein one second gear is respectively meshed with one first gear and one tooth surface of the double-sided rack, and the other second gear is respectively meshed with the other first gear and the other tooth surface of the double-sided rack;
when the connecting rod and the double-sided rack move upwards through the driving mechanism, the two swing rods swing upwards through the transmission of the second gear and the first gear, when each swing rod rotates for a first angle, the first angle is between 90 and 180 degrees, the stop block is abutted against the limiting ring above, and at the moment, the connecting rod drives the loop bar to slide upwards, so that the loop bar, the swing rods and the warning slogans on the swing rods are lifted, and the warning and blocking effects are achieved;
a rectangular groove is formed in one side of the oscillating bar, and an electronic display panel is arranged in the rectangular groove of the oscillating bar in a sliding mode;
still include the power unit of drive electronic display board in the slide of rectangular channel, power unit includes:
the first bevel gear is coaxially and fixedly connected to a hinged shaft of the swing rod and is fixed relative to the loop bar;
the shaft lever is rotationally connected to a connecting block fixedly arranged on the swing rod;
the second bevel gear is coaxially connected to the shaft rod and meshed with the first bevel gear;
a third gear coaxially connected to the shaft;
a rack which is arranged on one side of the electronic display board and is meshed with the third gear;
the rack is connected with the electronic display board in a sliding manner along the front and back horizontal directions of the electronic display board;
the elastic unit drives the rack to slide towards the third gear in the process of recovering the elastic deformation;
the stop block and the limiting ring positioned below the stop block are both magnetic structures capable of being adsorbed mutually.
2. The safety warning device for building engineering management as claimed in claim 1, wherein the limiting mechanism includes a first limiting block and a second limiting block, a vertical groove is formed in the side surface of the fixing rod, the first limiting block is fixedly connected in the groove at the top of the fixing rod, and the second limiting block is fixedly connected to the inner side of the bottom of the loop bar and is located in the groove to be in blocking fit with the first fixing block.
3. The safety warning device for building engineering management according to claim 1, further comprising a warning light and a top cover, wherein the warning light is fixedly arranged at the top of the double-sided rack, the top cover covers the top of the sleeve rod, and a through hole for the warning light to pass through is formed in the top of the sleeve rod.
4. The safety warning device for building engineering management according to claim 3, further comprising a power supply disposed inside the base, wherein the power supply is electrically connected to the driving mechanism, the electronic display panel and the warning light, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103481.9A CN112944148B (en) | 2021-01-26 | 2021-01-26 | Safety warning device for building engineering management |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103481.9A CN112944148B (en) | 2021-01-26 | 2021-01-26 | Safety warning device for building engineering management |
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| CN112944148A CN112944148A (en) | 2021-06-11 |
| CN112944148B true CN112944148B (en) | 2022-06-24 |
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| CN202110103481.9A Active CN112944148B (en) | 2021-01-26 | 2021-01-26 | Safety warning device for building engineering management |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114114990B (en) * | 2021-10-27 | 2022-06-14 | 北京云汉通航科技有限公司 | Display panel control method, system and device of high-speed police early-warning vehicle |
| CN114571620B (en) * | 2022-03-31 | 2023-11-21 | 东莞市建工集团有限公司 | Wall grooving device for building and grooving method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH669248A5 (en) * | 1986-04-02 | 1989-02-28 | Benjamin Thut | BALANCED ARM ASSEMBLY AND LAMP WITH ARM ASSEMBLY. |
| CN101308709A (en) * | 2007-05-14 | 2008-11-19 | 明基电通信息技术有限公司 | Lifting mechanism and display apparatus applying the same |
| CN204083691U (en) * | 2014-08-27 | 2015-01-07 | 李文倩 | A kind of photograph auto heterodyne flexible rod |
| CN106198193B (en) * | 2016-08-18 | 2019-01-01 | 嘉兴市永泰五金塑料有限责任公司 | A kind of multi-functional intensity detecting device of hardware production |
| CN207213573U (en) * | 2017-09-27 | 2018-04-10 | 三峡大学 | Test special shooting support |
| CN108361630A (en) * | 2018-02-02 | 2018-08-03 | 深圳市奈士迪技术研发有限公司 | A kind of intelligent solar street light that the generating efficiency based on Internet of Things is high |
| CN209068129U (en) * | 2018-10-29 | 2019-07-05 | 泉州市新锐极光科技有限公司 | It is a kind of can be according to the installation projector mount that projector distance is changed |
| CN112066324B (en) * | 2020-08-26 | 2022-10-28 | 河北傲强金属制品集团有限公司 | Folded cascade solar street lamp support |
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