CN109057379B - High-altitude falling object blocking fence for building construction - Google Patents
High-altitude falling object blocking fence for building construction Download PDFInfo
- Publication number
- CN109057379B CN109057379B CN201811042563.1A CN201811042563A CN109057379B CN 109057379 B CN109057379 B CN 109057379B CN 201811042563 A CN201811042563 A CN 201811042563A CN 109057379 B CN109057379 B CN 109057379B
- Authority
- CN
- China
- Prior art keywords
- plate
- fixedly connected
- driving
- support
- chain wheel
- 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.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3209—Temporary tunnels specially adapted against falling objects
Abstract
The invention relates to the field of building construction equipment, in particular to a high-altitude falling object blocking fence for building construction, which comprises a base, a sliding support, a supporting plate, a connecting rod, a lifting block, a blocking plate and a hinge rod, wherein the sliding support is connected to the middle end of the base in a sliding fit manner and is in meshing transmission with the base; the bottom end of the supporting plate is hinged on the sliding support, and the supporting plate is in meshing transmission with the sliding support; the bottom end of the connecting rod is hinged to one side of the front end of the base, and the top end of the connecting rod is connected into the side end of the supporting plate in a sliding fit manner; the lifting block is connected in the supporting plate in a sliding fit manner; two ends of the barrier plate are hinged to two sides of the middle end of the support plate; the invention can be used for blocking high-altitude falling objects during building construction, protecting the safety of constructors and path personnel, and the expansion plate can extend outwards when the invention is supported, thereby increasing the protected space range of the invention; the invention can be folded through linkage, and can move through the universal wheels after being folded.
Description
Technical Field
The invention relates to the field of building construction equipment, in particular to a high-altitude falling object blocking fence for building construction.
Background
Due to the improvement of the horizontal technology of the building industry, the height of a modern building is gradually improved, and the danger of high-altitude falling objects is gradually increased along with the improvement of the height of the building in the building construction process, a construction unit needs to compile a special construction organization before construction to formulate safety technical measures for preventing high-altitude falling and object hitting accidents, the traditional prevention measures are to surround a fence and a blocking net around the building, but due to the difference of the construction modes of different buildings and the appearance of the building, the surrounding fence and the blocking net need to be dismounted after the construction is finished, the fence and the blocking net need to be rearranged on the next construction building, the use cost of the method is high, and therefore, the foldable movable high-altitude falling object blocking fence for building construction is designed.
Disclosure of Invention
The invention aims to provide a high-altitude falling object blocking fence for building construction, which can be used for blocking high-altitude falling objects during building construction and can be folded and moved to meet different use scenes.
The purpose of the invention is realized by the following technical scheme:
a high-altitude falling object blocking fence for building construction comprises a base, a sliding support, a supporting plate, a connecting rod, a lifting block, a blocking plate and a hinge rod, wherein the sliding support is connected to the middle end of the base in a sliding fit manner, and the sliding support is in meshing transmission with the base; the bottom end of the supporting plate is hinged on the sliding support, and the supporting plate is in meshing transmission with the sliding support; the bottom end of the connecting rod is hinged to one side of the front end of the base, and the top end of the connecting rod is connected into the side end of the supporting plate in a sliding fit manner; the lifting block is connected in the supporting plate in a sliding fit manner, and the middle end of the lifting block is connected to the supporting plate through threads; two ends of the barrier plate are hinged to two sides of the middle end of the support plate; the top of hinged rod articulates the bottom at the elevator, and the bottom of hinged rod articulates the rear end at the barrier plate.
The sliding support comprises a support plate, a trapezoidal sliding block, a support plate support, a motor, a worm rack, a worm wheel shaft, a driving chain wheel I, a driven chain wheel shaft, a driving bevel gear, a driven bevel gear, a driving chain wheel shaft, a chain wheel shaft support, a driving chain wheel II, a driving gear, a driven chain wheel II, a driving gear shaft and a gear shaft support; the trapezoidal sliding block is fixedly connected to the bottom end of the support plate; two sides of the top end of the support plate are fixedly connected with a support plate support respectively; the motor is fixedly connected to the support plate; the worm is fixedly connected to an output shaft of the motor through a coupling; the worm is connected in the worm frame in a rotating fit manner; the worm wheel is in meshed transmission with the worm, and the worm wheel is fixedly connected to the top end of a worm wheel shaft; the driving chain wheel I is fixedly connected to the middle end of the worm wheel shaft; the worm wheel shaft is connected on the bracket plate in a rotating fit manner; the driving chain wheel I is in chain transmission connection with the driven chain wheel I; the driven chain wheel I is fixedly connected to the middle end of the driven chain wheel shaft; the driving bevel gear is fixedly connected to the top end of the driven chain wheel shaft; the driven chain wheel shaft is connected to the support plate in a rotating fit manner; the driving bevel gear and the driven bevel gear are in meshing transmission, and the driven bevel gear is fixedly connected to one end of the driving chain wheel shaft; the driving chain wheel shaft is connected in the chain wheel shaft support in a rotating fit manner; the driving chain wheel II is fixedly connected to the middle end of the driving chain wheel shaft; the driving gear is fixedly connected to the other end of the driving chain wheel shaft; the chain wheel shaft bracket is fixedly connected to the bracket plate; the driving chain wheel II is in chain transmission connection with the driven chain wheel II; the driving gear and the driven chain wheel II are respectively and fixedly connected to two ends of a driving gear shaft; the driving gear shaft is connected in the gear shaft frame in a rotating fit manner; the gear shaft frame is fixedly connected to the support plate; the driving gear is in meshing transmission with the supporting plate; the driving gear is meshed with the base for transmission; the trapezoidal sliding block is connected in the base in a sliding fit manner; the two sides of the bottom end of the supporting plate are hinged on the supporting plate brackets at the two ends.
The base comprises a bottom plate, a trapezoidal groove I and a rack groove; the trapezoid groove I is arranged at the middle end of the bottom plate; the rack groove is arranged on the bottom plate, and a rack is arranged on the bottom surface of the inner end of the rack groove; the trapezoidal sliding block is connected in the trapezoidal groove I in a sliding fit manner; the driving gear is meshed with the rack in the rack groove for transmission; the rotating shaft on the side surface of the bottom end of the connecting rod is hinged on one side of the front end of the bottom plate.
The support plate comprises a support plate body, a support plate rotating shaft, a rectangular groove, a trapezoidal groove II, a driven gear shaft, a driven gear, a driving bevel gear II, a connecting rod sliding groove, a screw, a base plate, a stop plate bracket and a driven bevel gear II; two sides of the bottom end of the supporting plate body are respectively fixedly connected with a supporting plate rotating shaft; the rectangular groove is vertically arranged at the bottom end of the middle end of the support plate body; the trapezoidal groove II is vertically arranged at the top end of the middle end of the support plate body; an interlayer is arranged between the rectangular groove and the trapezoidal groove II; the driven gear shaft is connected to the bottom end of the rectangular groove in a rotating fit manner; the driven gear and the driving bevel gear II are fixedly connected to a driven gear shaft; the connecting rod sliding groove is arranged on one side of the supporting plate body; the middle end of the screw rod is connected in an interlayer between the rectangular groove and the trapezoidal groove II in a rotating fit manner; the backing plate is fixedly connected to the top end of the rear end face of the backing plate body; two sides of the middle end of the supporting plate body are respectively fixedly connected with a blocking plate bracket; the driven bevel gear II is fixedly connected to the bottom end of the screw; the driven bevel gear II and the driving bevel gear II are in meshing transmission; the support plate rotating shafts at the two ends are respectively hinged in the support plate brackets at the two ends; the driven gear is in meshed transmission with the driving gear; the sliding shaft on the side surface of the top end of the connecting rod is connected in the connecting rod sliding groove in a sliding fit manner.
The lifting block is trapezoidal and is connected in the trapezoidal groove II in a sliding fit manner; the screw rod is connected in the lifting block through threads; the top end of the hinged rod is hinged at the bottom end of the lifting block.
The blocking plate comprises a blocking plate body and a blocking plate rotating shaft; two sides of the rear end of the blocking plate body are respectively fixedly connected with a blocking plate rotating shaft; the barrier plate rotating shafts at the two ends are respectively hinged in the barrier plate brackets at the two ends; the bottom end of the hinged rod is hinged at the rear end of the block plate body.
The high-altitude falling object blocking fence for building construction further comprises a telescopic plate, wherein the telescopic plate comprises a telescopic plate body and a telescopic plate support; two ends of the expansion plate body are respectively fixedly connected with an expansion plate bracket; the expansion plate body is connected in the baffle plate body in a sliding fit manner.
The high-altitude falling object blocking fence for building construction further comprises a protection frame; the protective frame comprises a rear rod, a front rod and side rods; two side rods are arranged, and two ends of the rear rod are fixedly connected to the rear ends of the two side rods respectively; two ends of the front rod are respectively and fixedly connected with the front ends of the two side rods; the rear rod is hinged at the top end of the lifting block; two ends of the front rod are respectively hinged in the two expansion plate brackets.
The base also comprises universal wheels; four universal wheels are arranged; the four universal wheels are respectively and fixedly connected with the four corners of the bottom surface of the bottom plate.
The universal wheel is provided with a locking function.
The invention has the beneficial effects that:
the invention can be used for blocking high-altitude falling objects during building construction, protecting the safety of constructors and path personnel, and the expansion plate can extend outwards when the invention is supported, thereby increasing the protected space range of the invention; the high-altitude falling object blocking fence can be folded through linkage, can move through the universal wheels after being folded so as to deal with different use scenes, can be transferred to other building construction sites after being used for a single time, and avoids the complex process and cost of building the traditional high-altitude falling object blocking fence.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a third schematic view of the overall structure of the present invention;
FIG. 4 is a fourth schematic view of the overall structure of the present invention;
FIG. 5 is a schematic view of the base structure of the present invention;
FIG. 6 is a first schematic view of the sliding support structure of the present invention;
FIG. 7 is a second schematic view of the sliding support structure of the present invention;
FIG. 8 is a schematic view of the support plate construction of the present invention;
FIG. 9 is a schematic view of the lift block structure of the present invention;
FIG. 10 is a schematic view of a barrier plate construction of the present invention;
FIG. 11 is a schematic view of the hinge rod configuration of the present invention;
FIG. 12 is a schematic view of the protective frame construction of the present invention;
FIG. 13 is a schematic view of the construction of the telescoping plates of the present invention;
fig. 14 is a schematic view of the connecting rod structure of the present invention.
In the figure: a base 1; a bottom plate 1-1; a trapezoidal groove I1-2; rack slots 1-3; 1-4 universal wheels; a sliding bracket 2; 2-1 of a support plate; 2-2 of a trapezoidal sliding block; support plate brackets 2-3; 2-4 of a motor; 2-5 parts of worm; 2-6 parts of worm rack; 2-7 of worm wheel; 2-8 parts of a worm wheel shaft; a driving chain wheel I2-9; 2-10 parts of a driven chain wheel; driven sprocket shafts 2-11; 2-12 parts of a drive bevel gear; driven bevel gears 2-13; drive sprocket shafts 2-14; sprocket shaft supports 2-15; driving chain wheels II 2-16; a driving gear 2-17; driven chain wheels II 2-18; drive gears 2-19; drive gear shafts 2-20; 2-21 parts of a gear shaft bracket; a support plate 3; a support plate body 3-1; a support plate rotating shaft 3-2; 3-3 of rectangular groove; 3-4 of a trapezoidal groove; 3-5 parts of a driven gear shaft; 3-6 parts of a driven gear; driving bevel gears II 3-7; 3-8 connecting rod chutes; 3-9 parts of screw; 3-10 parts of a base plate; 3-11 parts of a baffle plate bracket; driven bevel gears II 3-12; a connecting rod 4; a lifting block 5; a blocking plate 6; a blocking plate body 6-1; a barrier plate rotating shaft 6-2; a hinge lever 7; a protective frame 8; a rear bar 8-1; a front bar 8-2; side lever 8-3; a retractable plate 9; a telescopic plate body 9-1; a telescopic plate bracket 9-2.
Detailed Description
The invention is described in further detail below with reference to fig. 1-14.
The first embodiment is as follows:
as shown in fig. 1-14, a high-altitude falling object blocking fence for building construction comprises a base 1, a sliding support 2, a support plate 3, a connecting rod 4, a lifting block 5, a blocking plate 6 and a hinged rod 7, and is characterized in that: the sliding support 2 is connected to the middle end of the base 1 in a sliding fit mode, and the sliding support 2 is in meshing transmission with the base 1; the bottom end of the supporting plate 3 is hinged on the sliding support 2, and the supporting plate 3 is in meshing transmission with the sliding support 2; the bottom end of the connecting rod 4 is hinged to one side of the front end of the base 1, and the top end of the connecting rod 4 is connected into the side end of the supporting plate 3 in a sliding fit manner; the lifting block 5 is connected in the supporting plate 3 in a sliding fit manner, and the middle end of the lifting block 5 is connected to the supporting plate 3 through threads; two ends of the barrier plate 6 are hinged to two sides of the middle end of the support plate 3; the top end of the hinge rod 7 is hinged at the bottom end of the lifting block 5, and the bottom end of the hinge rod 7 is hinged at the rear end of the barrier plate 6.
The sliding support 2 comprises a support plate 2-1, a trapezoidal sliding block 2-2, a support plate support 2-3, a motor 2-4, a worm 2-5, a worm frame 2-6, a worm wheel 2-7, a worm wheel shaft 2-8, a driving chain wheel I2-9, a driven chain wheel I2-10, a driven chain wheel shaft 2-11, a driving bevel gear 2-12, a driven bevel gear 2-13, a driving chain wheel shaft 2-14, a chain wheel shaft support 2-15, a driving chain wheel II 2-16, a driving gear 2-17, a driven chain wheel II 2-18, a driving gear 2-19, a driving gear shaft 2-20 and a gear shaft support 2-21; the trapezoidal sliding block 2-2 is fixedly connected to the bottom end of the support plate 2-1; two sides of the top end of the support plate 2-1 are respectively fixedly connected with a support plate support 2-3; the motor 2-4 is fixedly connected to the support plate 2-1; the worm 2-5 is fixedly connected to an output shaft of the motor 2-4 through a coupling; the worm 2-5 rotates along the axis in the worm frame 2-6 through a bearing with a seat and is axially fixed; the worm wheel 2-7 is in meshed transmission with the worm 2-5, and the worm wheel 2-7 is fixedly connected to the top end of a worm wheel shaft 2-8; the driving chain wheel I2-9 is fixedly connected to the middle end of the worm wheel shaft 2-8; the worm wheel shaft 2-8 rotates along the axis of the bracket plate 2-1 through a bearing with a seat and is axially fixed; the driving chain wheels I2-9 are in chain transmission connection with the driven chain wheels I2-10; the driven chain wheel I2-10 is fixedly connected to the middle end of the driven chain wheel shaft 2-11; the driving bevel gear 2-12 is fixedly connected to the top end of the driven chain wheel shaft 2-11; the driven chain wheel shaft 2-11 rotates along the axis of the support plate 2-1 through a bearing with a seat and is axially fixed; the driving bevel gears 2-12 and the driven bevel gears 2-13 are in meshing transmission, and the driven bevel gears 2-13 are fixedly connected to one ends of the driving chain wheel shafts 2-14; the driving sprocket shaft 2-14 rotates along the axis in the sprocket shaft bracket 2-15 through a bearing with a seat and is fixed axially; the driving chain wheels II 2-16 are fixedly connected to the middle ends of the driving chain wheel shafts 2-14; the driving gear 2-17 is fixedly connected to the other end of the driving chain wheel shaft 2-14; the chain wheel shaft support 2-15 is fixedly connected to the support plate 2-1; the driving chain wheels II 2-16 are in chain transmission connection with the driven chain wheels II 2-18; the driving gears 2-19 and the driven chain wheels II 2-18 are respectively and fixedly connected with the two ends of the driving gear shafts 2-20; the driving gear shaft 2-20 rotates along the axis in the gear shaft frame 2-21 through a bearing with a seat and is axially fixed; the gear shaft bracket 2-21 is fixedly connected to the support plate 2-1; the driving gears 2-17 are in meshing transmission with the supporting plate 3; the driving gears 2-19 are in meshed transmission with the base 1; the trapezoidal sliding block 2-2 is connected in the base 1 in a sliding fit manner; the two sides of the bottom end of the supporting plate 3 are hinged on the supporting plate brackets 2-3 at the two ends. When the sliding support 2 is used, the motor 2-4 is controlled by a power supply, a switch and a lead, the motor 2-4 is turned on, the motor 2-4 drives the worm 2-5 to rotate, the worm 2-5 drives the worm wheel 2-7 to rotate, the worm wheel 2-7 drives the driving sprocket I2-9 to rotate through the worm wheel shaft 2-8, the driving sprocket I2-9 drives the driven sprocket I2-10 to rotate through a chain, the driven sprocket I2-10 drives the driving bevel gear 2-12 to rotate through the driven sprocket shaft 2-11, the driving bevel gear 2-12 drives the driven bevel gear 2-13 to rotate, the driven bevel gear 2-13 drives the driving sprocket II 2-16 and the driving sprocket 2-17 to rotate through the driving sprocket shaft 2-14, the driving sprocket II 2-16 drives the driven sprocket II 2-18 to rotate through a chain, the driven chain wheels II 2-18 drive the driving gears 2-19 to rotate through the driving gear shafts 2-20.
The base 1 comprises a bottom plate 1-1, a trapezoidal groove I1-2 and a rack groove 1-3; the trapezoidal groove I1-2 is arranged at the middle end of the bottom plate 1-1; the rack groove 1-3 is arranged on the bottom plate 1-1, and a rack is arranged on the bottom surface of the inner end of the rack groove 1-3; the trapezoidal sliding block 2-2 is connected in the trapezoidal groove I1-2 in a sliding fit manner; the driving gears 2-19 are in meshed transmission with racks in the rack grooves 1-3; the rotating shaft at the side surface of the bottom end of the connecting rod 4 is hinged at one side of the front end of the bottom plate 1-1. When the base 1 is used, the driving gears 2-19 drive the trapezoidal sliding blocks 2-2 to slide in the trapezoidal grooves I1-2 through meshing transmission with the rack grooves 1-3, so that the sliding support 2 slides on the base 1.
The supporting plate 3 comprises a supporting plate body 3-1, a supporting plate rotating shaft 3-2, a rectangular groove 3-3, a trapezoidal groove II 3-4, a driven gear shaft 3-5, a driven gear 3-6, a driving bevel gear II 3-7, a connecting rod sliding groove 3-8, a screw rod 3-9, a base plate 3-10, a blocking plate support 3-11 and a driven bevel gear II 3-12; two sides of the bottom end of the supporting plate body 3-1 are respectively fixedly connected with a supporting plate rotating shaft 3-2; the rectangular groove 3-3 is vertically arranged at the bottom end of the middle end of the supporting plate body 3-1; the trapezoidal groove II 3-4 is vertically arranged at the top end of the middle end of the supporting plate body 3-1; an interlayer is arranged between the rectangular groove 3-3 and the trapezoidal groove II 3-4; the driven gear shaft 3-5 rotates along the axis of the rectangular groove 3-3 at the bottom end of the rectangular groove through a bearing with a seat and is axially fixed; the driven gear 3-6 and the driving bevel gear II 3-7 are fixedly connected to the driven gear shaft 3-5; the connecting rod sliding groove 3-8 is arranged at one side of the supporting plate body 3-1; the middle end of the screw rod 3-9 rotates along the axis in the interlayer between the rectangular groove 3-3 and the trapezoidal groove II 3-4 through a bearing with a seat and is axially fixed; the backing plate 3-10 is fixedly connected to the top end of the rear end face of the supporting plate body 3-1; two sides of the middle end of the supporting plate body 3-1 are respectively fixedly connected with a blocking plate bracket 3-11; the driven bevel gear II 3-12 is fixedly connected to the bottom end of the screw rod 3-9; the driven bevel gears II 3-12 and the driving bevel gears II 3-7 are in meshing transmission; the supporting plate rotating shafts 3-2 at the two ends are respectively hinged in the supporting plate brackets 2-3 at the two ends; the driven gear 3-6 is in meshed transmission with the driving gear 2-17; the sliding shaft on the side surface of the top end of the connecting rod 4 is connected in the connecting rod sliding grooves 3-8 in a sliding fit mode. When the support plate 3 is used, the driving gears 2-17 drive the driven gears 3-6 to rotate, the driven gears 3-6 drive the driving bevel gears II 3-7 to rotate through the driven gear shafts 3-5, the driving bevel gears II 3-7 drive the driven bevel gears II 3-12 to rotate, and the driven bevel gears II 3-12 drive the screws 3-9 to rotate; the supporting plates 3 can rotate relatively on the sliding support 2 by respectively hinging the supporting plate rotating shafts 3-2 at the two ends in the supporting plate supports 2-3 at the two ends, and when the sliding support 2 slides on the base 1, the supporting plates 3 can be driven to turn upwards or downwards by being connected in the connecting rod sliding grooves 3-8 through the sliding shaft sliding fit of the side surfaces at the top ends of the connecting rods 4.
The lifting block 5 is trapezoidal, and the lifting block 5 is connected in the trapezoidal groove II 3-4 in a sliding fit manner; the screw rods 3-9 are connected in the lifting block 5 through threads; the top end of the hinge rod 7 is hinged at the bottom end of the lifting block 5. When the screws 3-9 are rotated, the elevator 5 can be raised or lowered in the trapezoidal grooves II 3-4 by the engagement with the screws 3-9.
The blocking plate 6 comprises a blocking plate body 6-1 and a blocking plate rotating shaft 6-2; two sides of the rear end of the blocking plate body 6-1 are respectively fixedly connected with a blocking plate rotating shaft 6-2; barrier plate rotating shafts 6-2 at two ends are respectively hinged in barrier plate brackets 3-11 at two ends; the bottom end of the hinge rod 7 is hinged to the rear end of the barrier plate body 6-1. The barrier plates 6 are respectively hinged in barrier plate brackets 3-11 at two ends through barrier plate rotating shafts 6-2 and can relatively rotate on the supporting plate 3; the blocking plate body 6-1 is used for blocking and bearing high-altitude falling objects and protecting the safety of constructors below the blocking plate body 6-1; the lifting block 5 can drive the blocking plate body 6-1 to turn upwards or downwards through the hinge rod 7 when ascending or descending.
The high-altitude falling object blocking fence for building construction further comprises a telescopic plate 9, wherein the telescopic plate 9 comprises a telescopic plate body 9-1 and a telescopic plate support 9-2; two ends of the expansion plate body 9-1 are respectively fixedly connected with an expansion plate bracket 9-2; the expansion plate body 9-1 is connected in the blocking plate body 6-1 in a sliding fit manner. The expansion plate body 9-1 can slide inside and outside the blocking plate body 6-1, when the expansion plate body 9-1 extends out, the coverage area of the blocking plate body 6-1 is expanded outwards, the range of bearing high-altitude falling objects is enlarged, the protection area of the invention is enlarged under the condition of not increasing the size of the invention, and the probability of accidents is greatly reduced.
The high-altitude falling object blocking fence for building construction further comprises a protection frame 8; the protective frame 8 comprises a rear rod 8-1, a front rod 8-2 and a side rod 8-3; two side rods 8-3 are arranged, and two ends of the rear rod 8-1 are fixedly connected to the rear ends of the two side rods 8-3 respectively; two ends of the front rod 8-2 are respectively and fixedly connected with the front ends of the two side rods 8-3; the rear rod 8-1 is hinged at the top end of the lifting block 5; two ends of the front rod 8-2 are respectively hinged in the two expansion plate brackets 9-2. When the lifting block 5 ascends or descends, the rear rod 8-1 is driven to move, the rear rod 8-1 drives the front rod 8-2 to move through the side rod 8-3, the front rod 8-2 drives the expansion plate body 9-1 to extend or retract in the barrier plate body 6-1, when the barrier plate body 6-1 and the expansion plate body 9-1 are expanded to be in the bottom level, the expanded state of the invention is obtained, at the moment, the protective frame 8, the barrier plate body 6-1 and the expansion plate body 9-1 form a triangle, and as the triangle is a stable polygon, the protective frame 8 can support the barrier plate body 6-1 and the expansion plate body 9-1, when the barrier plate body 6-1 and the expansion plate body 9-1 are impacted, part of the impact force can be dispersed to the protective frame 8, the blocking plate body 6-1 and the expansion plate body 9-1 are prevented from collapsing due to the fact that the falling object is too heavy and the blocking plate body 6-1 and the expansion plate body are subjected to too large impact force. When the invention is required to be in a contraction state when not in use, the motor 2-4 is driven to drive the motor 2-4 to rotate forwards to drive the sliding support 2 to slide backwards on the base 1 when the invention is required to be used, meanwhile, the connecting rod 4 drives the supporting plate 3 to turn upwards on the sliding bracket 2 when the sliding bracket 2 slides backwards, meanwhile, the driving motors 2-4 drive the lifting block 5 to move upwards through the linkage, so that the blocking plate 6 is turned upwards, meanwhile, the lifting block 5 drives the expansion plate 9 to extend out through the protective frame 8, when the supporting plate 3 rotates to be vertical to the bottom surface, the barrier plate 6 is horizontal to the bottom surface, the expansion plate 9 extends out, the barrier plate 6 and the expansion plate 9 can jointly play a role in blocking high-altitude falling objects, and the backing plates 3-10 can prevent the falling objects from falling from a gap between the support plate 3 and the wall surface when the support plate 3 is not uniformly attached to the wall surface; when the foldable chair is required to be folded, the motor 2-4 is reversed, all the parts move reversely through linkage until the backing plate 3-10 is contacted with the bottom plate 1-1, at the moment, the motor 2-4 is closed, and after the backing plate 3-10 is contacted with the bottom plate 1-1, the gravity of all the parts is dispersed to the backing plate 3-10.
The base 1 also comprises universal wheels 1-4; four universal wheels 1-4 are arranged; the four universal wheels 1-4 are respectively and fixedly connected with the four corners of the bottom surface of the bottom plate 1-1. The universal wheels 1-4 can move the invention, and the invention can be transferred to the next construction site after use, thereby reducing the time for arranging the blocking fence, and the material is not needed to be consumed during rearrangement, thereby saving the construction cost.
The universal wheels 1-4 are universal wheels with locking function. The use of lockable castor wheels for the castor wheels 1-4 allows the invention to be used without the possibility of moving during use.
The working principle of the invention is as follows:
when the sliding support 2 is used, the motor 2-4 is controlled by a power supply, a switch and a lead, the motor 2-4 is turned on, the motor 2-4 drives the worm 2-5 to rotate, the worm 2-5 drives the worm wheel 2-7 to rotate, the worm wheel 2-7 drives the driving sprocket I2-9 to rotate through the worm wheel shaft 2-8, the driving sprocket I2-9 drives the driven sprocket I2-10 to rotate through a chain, the driven sprocket I2-10 drives the driving bevel gear 2-12 to rotate through the driven sprocket shaft 2-11, the driving bevel gear 2-12 drives the driven bevel gear 2-13 to rotate, the driven bevel gear 2-13 drives the driving sprocket II 2-16 and the driving sprocket 2-17 to rotate through the driving sprocket shaft 2-14, the driving sprocket II 2-16 drives the driven sprocket II 2-18 to rotate through a chain, the driven chain wheels II 2-18 drive the driving gears 2-19 to rotate through the driving gear shafts 2-20. When the base 1 is used, the driving gears 2-19 drive the trapezoidal sliding blocks 2-2 to slide in the trapezoidal grooves I1-2 through meshing transmission with the rack grooves 1-3, so that the sliding support 2 slides on the base 1. When the support plate 3 is used, the driving gears 2-17 drive the driven gears 3-6 to rotate, the driven gears 3-6 drive the driving bevel gears II 3-7 to rotate through the driven gear shafts 3-5, the driving bevel gears II 3-7 drive the driven bevel gears II 3-12 to rotate, and the driven bevel gears II 3-12 drive the screws 3-9 to rotate; the supporting plates 3 can rotate relatively on the sliding support 2 by respectively hinging the supporting plate rotating shafts 3-2 at the two ends in the supporting plate supports 2-3 at the two ends, and when the sliding support 2 slides on the base 1, the supporting plates 3 can be driven to turn upwards or downwards by being connected in the connecting rod sliding grooves 3-8 through the sliding shaft sliding fit of the side surfaces at the top ends of the connecting rods 4. When the screws 3-9 are rotated, the elevator 5 can be raised or lowered in the trapezoidal grooves II 3-4 by the engagement with the screws 3-9. The barrier plates 6 are respectively hinged in barrier plate brackets 3-11 at two ends through barrier plate rotating shafts 6-2 and can relatively rotate on the supporting plate 3; the blocking plate body 6-1 is used for blocking and bearing high-altitude falling objects and protecting the safety of constructors below the blocking plate body 6-1; the lifting block 5 can drive the blocking plate body 6-1 to turn upwards or downwards through the hinge rod 7 when ascending or descending. The expansion plate body 9-1 can slide inside and outside the blocking plate body 6-1, when the expansion plate body 9-1 extends out, the coverage area of the blocking plate body 6-1 is expanded outwards, the range of bearing high-altitude falling objects is enlarged, the protection area of the invention is enlarged under the condition of not increasing the size of the invention, and the probability of accidents is greatly reduced. When the lifting block 5 ascends or descends, the rear rod 8-1 is driven to move, the rear rod 8-1 drives the front rod 8-2 to move through the side rod 8-3, the front rod 8-2 drives the expansion plate body 9-1 to extend or retract in the barrier plate body 6-1, when the barrier plate body 6-1 and the expansion plate body 9-1 are expanded to be in the bottom level, the expanded state of the invention is obtained, at the moment, the protective frame 8, the barrier plate body 6-1 and the expansion plate body 9-1 form a triangle, and as the triangle is a stable polygon, the protective frame 8 can support the barrier plate body 6-1 and the expansion plate body 9-1, when the barrier plate body 6-1 and the expansion plate body 9-1 are impacted, part of the impact force can be dispersed to the protective frame 8, the blocking plate body 6-1 and the expansion plate body 9-1 are prevented from collapsing due to the fact that the falling object is too heavy and the blocking plate body 6-1 and the expansion plate body are subjected to too large impact force. When the invention is required to be in a contraction state when not in use, the motor 2-4 is driven to drive the motor 2-4 to rotate forwards to drive the sliding support 2 to slide backwards on the base 1 when the invention is required to be used, meanwhile, the connecting rod 4 drives the supporting plate 3 to turn upwards on the sliding bracket 2 when the sliding bracket 2 slides backwards, meanwhile, the driving motors 2-4 drive the lifting block 5 to move upwards through the linkage, so that the blocking plate 6 is turned upwards, meanwhile, the lifting block 5 drives the expansion plate 9 to extend out through the protective frame 8, when the supporting plate 3 rotates to be vertical to the bottom surface, the barrier plate 6 is horizontal to the bottom surface, the expansion plate 9 extends out, the barrier plate 6 and the expansion plate 9 can jointly play a role in blocking high-altitude falling objects, and the backing plates 3-10 can prevent the falling objects from falling from a gap between the support plate 3 and the wall surface when the support plate 3 is not uniformly attached to the wall surface; when the foldable chair is required to be folded, the motor 2-4 is reversed, all the parts move reversely through linkage until the backing plate 3-10 is contacted with the bottom plate 1-1, at the moment, the motor 2-4 is closed, and after the backing plate 3-10 is contacted with the bottom plate 1-1, the gravity of all the parts is dispersed to the backing plate 3-10. The universal wheels 1-4 can move the invention, and the invention can be transferred to the next construction site after use, thereby reducing the time for arranging the blocking fence, and the material is not needed to be consumed during rearrangement, thereby saving the construction cost. The use of lockable castor wheels for the castor wheels 1-4 allows the invention to be used without the possibility of moving during use.
It is to be understood that the above description is not intended to limit the invention, and the invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which may be made by one skilled in the art within the spirit and scope of the invention are included therein.
Claims (10)
1. The utility model provides a construction blocks rail with high altitude junk, includes base (1), sliding support (2), backup pad (3), connecting rod (4), elevator (5), barrier plate (6) and hinge bar (7), its characterized in that: the sliding support (2) is connected to the middle end of the base (1) in a sliding fit manner, and the sliding support (2) is in meshing transmission with the base (1); the bottom end of the supporting plate (3) is hinged on the sliding support (2), and the supporting plate (3) is meshed with the sliding support (2) for transmission; the bottom end of the connecting rod (4) is hinged to one side of the front end of the base (1), and the top end of the connecting rod (4) is connected into the side end of the supporting plate (3) in a sliding fit manner; the lifting block (5) is connected in the supporting plate (3) in a sliding fit manner, and the middle end of the lifting block (5) is connected to the supporting plate (3) through threads; two ends of the stop plate (6) are hinged to two sides of the middle end of the support plate (3); the top end of the hinged rod (7) is hinged at the bottom end of the lifting block (5), and the bottom end of the hinged rod (7) is hinged at the rear end of the blocking plate (6).
2. A high-altitude falling object blocking fence for building construction according to claim 1, characterized in that: the sliding support (2) comprises a support plate (2-1), a trapezoidal sliding block (2-2), a support plate support (2-3), a motor (2-4), a worm (2-5), a worm frame (2-6), a worm wheel (2-7), a worm wheel shaft (2-8), a driving chain wheel I (2-9) and a driven chain wheel I (2-10), driven chain wheel shafts (2-11), driving bevel gears (2-12), driven bevel gears (2-13), driving chain wheel shafts (2-14), chain wheel shaft brackets (2-15), driving chain wheels II (2-16), driving gears (2-17), driven chain wheels II (2-18), driving gears (2-19), driving gear shafts (2-20) and gear shaft brackets (2-21); the trapezoidal sliding block (2-2) is fixedly connected to the bottom end of the support plate (2-1); two sides of the top end of the support plate (2-1) are respectively fixedly connected with a support plate support (2-3); the motor (2-4) is fixedly connected to the support plate (2-1); the worm (2-5) is fixedly connected to an output shaft of the motor (2-4) through a coupling; the worm (2-5) is connected in the worm frame (2-6) in a rotating fit manner; the worm wheel (2-7) and the worm (2-5) are in meshing transmission, and the worm wheel (2-7) is fixedly connected to the top end of a worm wheel shaft (2-8); the driving chain wheel I (2-9) is fixedly connected to the middle end of the worm wheel shaft (2-8); the worm wheel shaft (2-8) is connected to the support plate (2-1) in a rotating fit manner; the driving chain wheel I (2-9) is in chain transmission connection with the driven chain wheel I (2-10); the driven chain wheel I (2-10) is fixedly connected to the middle end of the driven chain wheel shaft (2-11); the driving bevel gear (2-12) is fixedly connected to the top end of the driven chain wheel shaft (2-11); the driven chain wheel shaft (2-11) is connected to the support plate (2-1) in a rotating fit manner; the driving bevel gears (2-12) and the driven bevel gears (2-13) are in meshing transmission, and the driven bevel gears (2-13) are fixedly connected to one ends of the driving chain wheel shafts (2-14); the driving chain wheel shaft (2-14) is connected in the chain wheel shaft bracket (2-15) in a rotating fit manner; the driving chain wheel II (2-16) is fixedly connected to the middle end of the driving chain wheel shaft (2-14); the driving gear (2-17) is fixedly connected with the other end of the driving chain wheel shaft (2-14); the chain wheel shaft support (2-15) is fixedly connected to the support plate (2-1); the driving chain wheel II (2-16) is in chain transmission connection with the driven chain wheel II (2-18); the driving gears (2-19) and the driven chain wheels II (2-18) are respectively and fixedly connected to the two ends of the driving gear shafts (2-20); the driving gear shaft (2-20) is connected in the gear shaft frame (2-21) in a rotating fit manner; the gear shaft bracket (2-21) is fixedly connected to the support plate (2-1); the driving gears (2-17) are in meshed transmission with the supporting plate (3); the driving gears (2-19) are in meshed transmission with the base (1); the trapezoidal sliding block (2-2) is connected in the base (1) in a sliding fit manner; the two sides of the bottom end of the supporting plate (3) are hinged on the supporting plate brackets (2-3) at the two ends.
3. A high-altitude falling object blocking fence for building construction as claimed in claim 2, wherein: the base (1) comprises a bottom plate (1-1), a trapezoidal groove I (1-2) and a rack groove (1-3); the trapezoid groove I (1-2) is arranged at the middle end of the bottom plate (1-1); the rack groove (1-3) is arranged on the bottom plate (1-1), and a rack is arranged on the bottom surface of the inner end of the rack groove (1-3); the trapezoidal sliding block (2-2) is connected in the trapezoidal groove I (1-2) in a sliding fit manner; the driving gears (2-19) are in meshed transmission with racks in the rack grooves (1-3); the rotating shaft on the side surface of the bottom end of the connecting rod (4) is hinged on one side of the front end of the bottom plate (1-1).
4. A high-altitude falling object blocking fence for building construction according to claim 3, characterized in that: the supporting plate (3) comprises a supporting plate body (3-1), a supporting plate rotating shaft (3-2), a rectangular groove (3-3), a trapezoidal groove II (3-4), a driven gear shaft (3-5), a driven gear (3-6), a driving bevel gear II (3-7), a connecting rod sliding groove (3-8), a screw rod (3-9), a base plate (3-10), a blocking plate support (3-11) and a driven bevel gear II (3-12); two sides of the bottom end of the supporting plate body (3-1) are respectively fixedly connected with a supporting plate rotating shaft (3-2); the rectangular groove (3-3) is vertically arranged at the bottom end of the middle end of the supporting plate body (3-1); the trapezoidal groove II (3-4) is vertically arranged at the top end of the middle end of the supporting plate body (3-1); an interlayer is arranged between the rectangular groove (3-3) and the trapezoidal groove II (3-4); the driven gear shaft (3-5) is connected to the bottom end of the rectangular groove (3-3) in a rotating fit manner; the driven gear (3-6) and the driving bevel gear II (3-7) are fixedly connected to the driven gear shaft (3-5); the connecting rod sliding groove (3-8) is arranged on one side of the supporting plate body (3-1); the middle end of the screw rod (3-9) is connected in an interlayer between the rectangular groove (3-3) and the trapezoidal groove II (3-4) in a rotating fit manner; the backing plate (3-10) is fixedly connected to the top end of the rear end face of the backing plate body (3-1); two sides of the middle end of the supporting plate body (3-1) are respectively fixedly connected with a blocking plate bracket (3-11); the driven bevel gear II (3-12) is fixedly connected to the bottom end of the screw rod (3-9); the driven bevel gear II (3-12) and the driving bevel gear II (3-7) are in meshing transmission; the support plate rotating shafts (3-2) at the two ends are respectively hinged in the support plate brackets (2-3) at the two ends; the driven gears (3-6) are in meshed transmission with the driving gears (2-17); the sliding shaft on the side surface of the top end of the connecting rod (4) is connected in the connecting rod sliding groove (3-8) in a sliding fit manner.
5. A high-altitude falling object blocking fence for building construction according to claim 4, characterized in that: the lifting block (5) is trapezoidal, and the lifting block (5) is connected in the trapezoidal groove II (3-4) in a sliding fit manner; the screw rods (3-9) are connected in the lifting block (5) through threads; the top end of the hinged rod (7) is hinged at the bottom end of the lifting block (5).
6. A high-altitude falling object blocking fence for building construction according to claim 5, characterized in that: the blocking plate (6) comprises a blocking plate body (6-1) and a blocking plate rotating shaft (6-2); two sides of the rear end of the blocking plate body (6-1) are respectively fixedly connected with a blocking plate rotating shaft (6-2); barrier plate rotating shafts (6-2) at two ends are respectively hinged in barrier plate brackets (3-11) at two ends; the bottom end of the hinge rod (7) is hinged at the rear end of the blocking plate body (6-1).
7. A high-altitude falling object blocking fence for building construction according to claim 6, characterized in that: the high-altitude falling object blocking fence for building construction further comprises a telescopic plate (9), wherein the telescopic plate (9) comprises a telescopic plate body (9-1) and a telescopic plate support (9-2); two ends of the expansion plate body (9-1) are respectively fixedly connected with an expansion plate bracket (9-2); the expansion plate body (9-1) is connected in the blocking plate body (6-1) in a sliding fit manner.
8. A high-altitude falling object blocking fence for building construction as claimed in claim 7, wherein: the high-altitude falling object blocking fence for building construction further comprises a protection frame (8); the protective frame (8) comprises a rear rod (8-1), a front rod (8-2) and a side rod (8-3); two side rods (8-3) are arranged, and two ends of the rear rod (8-1) are fixedly connected to the rear ends of the two side rods (8-3) respectively; two ends of the front rod (8-2) are respectively and fixedly connected with the front ends of the two side rods (8-3); the rear rod (8-1) is hinged at the top end of the lifting block (5); two ends of the front rod (8-2) are respectively hinged in the two expansion plate brackets (9-2).
9. A high-altitude falling object blocking fence for building construction as claimed in claim 8, wherein: the base (1) also comprises universal wheels (1-4); four universal wheels (1-4) are arranged; the four universal wheels (1-4) are respectively and fixedly connected with the four corners of the bottom surface of the bottom plate (1-1).
10. A high-altitude falling object blocking fence for building construction according to claim 9, characterized in that: the universal wheels (1-4) are provided with locking functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042563.1A CN109057379B (en) | 2018-09-07 | 2018-09-07 | High-altitude falling object blocking fence for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042563.1A CN109057379B (en) | 2018-09-07 | 2018-09-07 | High-altitude falling object blocking fence for building construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057379A CN109057379A (en) | 2018-12-21 |
| CN109057379B true CN109057379B (en) | 2020-06-30 |
Family
ID=64760807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811042563.1A Active CN109057379B (en) | 2018-09-07 | 2018-09-07 | High-altitude falling object blocking fence for building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109057379B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377227B (en) * | 2020-10-30 | 2024-01-19 | 山西中烨嘉盛机械设备有限公司 | Hyperstatic hydraulic support |
| CN112412080B (en) * | 2020-11-09 | 2022-01-04 | 厦门安科科技有限公司 | Anti-falling device for building entrance to a cave |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200398851Y1 (en) * | 2005-07-22 | 2005-10-17 | 백경기 | A Fold Dropping Prevention Frame |
| JP2011163043A (en) * | 2010-02-12 | 2011-08-25 | Yamadagumi:Kk | Safety equipment instrument for construction |
| EP2712981A1 (en) * | 2012-09-27 | 2014-04-02 | Merle SAS | Asymmetric railing for building site |
| CN203795864U (en) * | 2014-05-05 | 2014-08-27 | 唐山诚达建设集团有限公司 | Operating platform on construction lifting unloading platform |
| CN105539546A (en) * | 2016-01-28 | 2016-05-04 | 苏州市职业大学 | Foldable multistage lifting freight car |
| CN206737379U (en) * | 2017-05-22 | 2017-12-12 | 南京德阳工程监理咨询有限公司 | A kind of adjustable for height scaffold |
| CN207245227U (en) * | 2017-09-21 | 2018-04-17 | 天津市盛泰建筑工程有限公司 | A kind of floor edge protection device |
| CN108099980A (en) * | 2017-12-15 | 2018-06-01 | 常州工学院 | A kind of double-decked platform multifunctional trolley |
| CN207686308U (en) * | 2018-01-02 | 2018-08-03 | 郑梓乐 | A kind of environmentally protective new-type building element |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170159304A1 (en) * | 2015-12-07 | 2017-06-08 | Darren Eckhard Young | Apparatus includes overhead hoarding assembly for scaffolding assembly |
-
2018
- 2018-09-07 CN CN201811042563.1A patent/CN109057379B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200398851Y1 (en) * | 2005-07-22 | 2005-10-17 | 백경기 | A Fold Dropping Prevention Frame |
| JP2011163043A (en) * | 2010-02-12 | 2011-08-25 | Yamadagumi:Kk | Safety equipment instrument for construction |
| EP2712981A1 (en) * | 2012-09-27 | 2014-04-02 | Merle SAS | Asymmetric railing for building site |
| CN203795864U (en) * | 2014-05-05 | 2014-08-27 | 唐山诚达建设集团有限公司 | Operating platform on construction lifting unloading platform |
| CN105539546A (en) * | 2016-01-28 | 2016-05-04 | 苏州市职业大学 | Foldable multistage lifting freight car |
| CN206737379U (en) * | 2017-05-22 | 2017-12-12 | 南京德阳工程监理咨询有限公司 | A kind of adjustable for height scaffold |
| CN207245227U (en) * | 2017-09-21 | 2018-04-17 | 天津市盛泰建筑工程有限公司 | A kind of floor edge protection device |
| CN108099980A (en) * | 2017-12-15 | 2018-06-01 | 常州工学院 | A kind of double-decked platform multifunctional trolley |
| CN207686308U (en) * | 2018-01-02 | 2018-08-03 | 郑梓乐 | A kind of environmentally protective new-type building element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109057379A (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109057379B (en) | High-altitude falling object blocking fence for building construction | |
| CN214836099U (en) | Three-layer tunnel drilling and emergency rescue drilling machine | |
| CN113682935B (en) | Connection structure between elevator and floor when building construction elevator stops | |
| CN219241244U (en) | Building construction frame | |
| CN112459441A (en) | But height-adjusting's scaffold frame for house construction | |
| CN218371650U (en) | Building electrical construction lift | |
| CN213234194U (en) | Liftable support frame for building engineering | |
| CN215803036U (en) | Liftable scaffold for building construction | |
| CN214834617U (en) | Scaffold capable of lifting and moving | |
| CN209670301U (en) | A kind of scaffold with stress monitoring protection | |
| CN211949492U (en) | Building construction platform convenient to remove | |
| CN217711620U (en) | Elevating gear is used in building engineering construction | |
| CN112012461A (en) | Multifunctional protection platform for building construction, use method and building construction process | |
| CN218176576U (en) | Be used for housing construction to use safe companion ladder | |
| CN218467297U (en) | Folding type movable protective fence | |
| CN210944758U (en) | A safe lift for construction | |
| CN218644031U (en) | Municipal construction rail guard of height regulation | |
| CN218843786U (en) | Construction is with platform of unloading | |
| CN211647225U (en) | Staircase for engineering detection | |
| CN219773863U (en) | Safety device for security engineering | |
| CN218708843U (en) | Elevator convenient to build and have safeguard measure | |
| CN220336395U (en) | Road construction frame | |
| CN219060812U (en) | Building construction platform with good noise reduction stability | |
| CN219011986U (en) | Steel frame positioning device of structural engineering house | |
| CN218643804U (en) | Safe scaffold of job site |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200603 Address after: Room 503, building 16, Jinhe community, Jinsha Town, Tongzhou City, Nantong City, Jiangsu Province Applicant after: Wang Xingzhong Applicant after: Zhao Xiaofei Applicant after: Luo Nannan Applicant after: Jiang Jiuling Applicant after: Ren Gepei Address before: 150000 Room 101, 11 Building 170 Anhua Street, Daoli District, Harbin City, Heilongjiang Province Applicant before: HARBIN YUHONG REAL ESTATE APPRAISAL CONSULTING Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |