CN213142847U - Height limiting device for municipal highway - Google Patents

Height limiting device for municipal highway Download PDF

Info

Publication number
CN213142847U
CN213142847U CN202021774799.7U CN202021774799U CN213142847U CN 213142847 U CN213142847 U CN 213142847U CN 202021774799 U CN202021774799 U CN 202021774799U CN 213142847 U CN213142847 U CN 213142847U
Authority
CN
China
Prior art keywords
groove
rod
height
sleeve
height limiting
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
Application number
CN202021774799.7U
Other languages
Chinese (zh)
Inventor
余亚君
江龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Qitai Construction Group Co.,Ltd.
Original Assignee
Anhui Qitai Construction Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Qitai Construction Engineering Co ltd filed Critical Anhui Qitai Construction Engineering Co ltd
Priority to CN202021774799.7U priority Critical patent/CN213142847U/en
Application granted granted Critical
Publication of CN213142847U publication Critical patent/CN213142847U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The application relates to a height limiting device for a municipal road, which comprises stand columns on two sides of the road and a cross beam on the top of the stand columns, wherein the stand columns comprise a first stand column and a second stand column, a rotating screw rod is rotatably mounted at the top of the first stand column, a mounting groove is formed in the first stand column, the bottom of the rotating screw rod extends into the mounting groove and is connected with a worm wheel, the top of the rotating screw rod extends to the upper part of the first stand column, a horizontal worm is rotatably mounted on the first stand column, the end part of the worm extends into the mounting groove, the worm and the worm wheel are meshed with each other, a threaded hole is formed; a vertical guide rod is arranged at the top of the second upright post, and the cross beam is sleeved outside the guide rod in a sliding manner; the transverse groove is formed in the bottom of the cross beam along the width direction of the cross beam, the two sides of the cross beam in the width direction are communicated through the transverse groove, the height limiting rod is horizontally mounted in the transverse groove, and the height limiting rod is fixed in the transverse groove through a positioning piece. This application has the effect of adjusting the height of limit for height device.

Description

Height limiting device for municipal highway
Technical Field
The application relates to a highway limit for height device technical field especially relates to a limit for height device for municipal administration highway.
Background
At present, in order to protect roads such as highways, bridges and the like and avoid the damage of large vehicles to the roads, traffic regulations stipulate that municipal highways have various limits on the height of the vehicles, the weight of the vehicles and the like, and therefore height limiting devices are arranged in the roads to limit the vehicles.
The prior art can refer to the Chinese utility model with the publication number of CN209099235U, it discloses a height limiting device for highway engineering, which comprises a right height limiting upright post I, a height limiting marker post and a left height limiting upright post I, it net surveillance camera head is installed to a left side limit for height stand top, a left side limit for height stand upper portion left side fixed mounting has the connecting seat, the connecting seat includes rain-proof dust cover and supporting seat, rain-proof dust cover passes through buckle and supporting seat fixed connection, the supporting seat is including supporting base and fixed plate, be provided with the mounting groove on the support base, evenly be provided with 4 slidable mounting slotted holes on the fixed plate, it net monitored control system machine case is installed in a left side limit for height stand middle part left side, it net monitored control system machine incasement internally mounted has the LED lamp controller, the base is all installed with a right limit for height stand bottom to a left side limit for height stand one, limit for height sighting rod upper portion is provided with the whippletree, go up the whippletree through a.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the height limiting device cannot adjust the height and is poor in applicability in different road environments.
SUMMERY OF THE UTILITY MODEL
In order to conveniently adjust the height of limit for height device, this application provides a limit for height device for town road.
The application provides a limit for height device for town road adopts following technical scheme:
a height limiting device for a municipal highway comprises upright posts on two sides of the road and a cross beam on the tops of the upright posts, wherein each upright post comprises an upright post I and an upright post II; a horizontal worm is rotatably mounted on the first upright post, the end part of the worm extends into the mounting groove, the worm is meshed with the worm wheel, a threaded hole is formed in the bottom of the cross beam, an internal thread is formed in the inner wall of the threaded hole, and the rotating screw is in threaded fit with the threaded hole; a vertical guide rod is arranged at the top of the second upright post, and the cross beam is sleeved outside the guide rod and is in sliding connection with the guide rod; the transverse groove is formed in the bottom of the cross beam along the width direction of the cross beam, the two sides of the cross beam in the width direction are communicated through the transverse groove, the height limiting rod is horizontally mounted in the transverse groove, and the height limiting rod is fixed in the transverse groove through a positioning piece.
By adopting the technical scheme, when the height of the cross beam is adjusted, the worm is rotated, the worm is in threaded fit with the worm gear to drive the rotating screw to rotate, the rotating screw rotates in a threaded hole at the bottom of the cross beam to drive the cross beam to ascend or descend, and the cross beam is always kept horizontal under the action of the guide rod; the height of the bottom of the height limiting rod is the height limited by the road section, and when a vehicle collides against the height limiting rod, the height limiting rod is damaged without causing great damage to the whole height limiting device.
Preferably, spring groove has been seted up to limit for height pole both ends level, and the setting element includes connecting spring and locating piece, and locating piece slidable mounting is in spring groove, and connecting spring one end and the fixed linking to each other of spring groove tank bottom, other end fixed connection locating piece, the draw-in groove has been seted up to the transverse groove lateral wall upper level, and locating piece and draw-in groove inner wall offset.
Through adopting above-mentioned technical scheme, during installation limit for height pole, push the limit for height pole with the locating piece during crowded mounting groove, when the locating piece removed the draw-in groove in, the locating piece supported the draw-in groove inner wall under the effect of connecting spring force, realized the installation of limit for height pole, made the installation of limit for height pole comparatively convenient.
Preferably, the end of the positioning block is provided with an inclined surface, and the inclined surface inclines from top to bottom in a direction away from the bottom of the spring groove.
Through adopting above-mentioned technical scheme, when installation limit for height pole, upwards promote limit for height pole, the inclined plane on the mounting groove lateral wall extrusion locating piece makes the locating piece move to the one side that is close to the spring tank bottom, and limit for height pole easy to assemble.
Preferably, a gap is reserved between the top of the height limiting rod and the top of the transverse groove in the vertical direction, and the distance of the gap is larger than the width of the clamping groove in the vertical direction.
Through adopting above-mentioned technical scheme, when dismantling the limit for height pole, upwards promote the limit for height pole, draw-in groove inner wall extrusion locating piece inclined plane makes the locating piece remove to one side that is close to the spring tank bottom, and the interval between the top of limit for height pole top and the vertical direction of transverse groove guarantees that the limit for height pole when upwards promoting, and the draw-in groove can be released to the locating piece, guarantees that the limit for height pole can follow the transverse groove and dismantles.
Preferably, one side that stand one and stand two are close to each other is equipped with the hinge groove respectively, and the hinge inslot is fixed and is provided with vertical hinge rod, rotates on the hinge rod and installs articulated piece, and articulated piece uses the axis of hinge rod as center of rotation line, and fixed connection has the horizontally connecting rod on the articulated piece, and the one end that articulated piece was kept away from to the connecting rod is provided with vertical limit for width pole.
Through adopting above-mentioned technical scheme, the distance sets up to the restriction width on this highway section between the limit for width pole, and when the vehicle hit the limit for width pole on, the limit for width pole rotates around the articulated rod, reduces the collision and to the harm that vehicle and limit for width pole caused.
Preferably, the hinge rod is sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the hinge rod, and the other end of the torsion spring is fixedly connected with the hinge block.
Through adopting above-mentioned technical scheme, the torsional spring is used for reseing the limit for width pole, and under the effect of torsional spring force, the distance that two limit for width poles after reseing remains the width of this highway section restriction all the time.
Preferably, the connecting rod includes sleeve and gag lever post, and sleeve one end and hinge bar rotate to be connected, gag lever post one end and limit for width pole fixed connection, and the sleeve cover is established on the gag lever post, sleeve and gag lever post sliding connection, and sleeve and gag lever post pass through the fastener fixed.
By adopting the technical scheme, under different road environments, the positions of the sleeve and the limiting rod are adjusted and the sleeve and the limiting rod are fixed with each other by the fastener, so that the width of the road is adjusted, and the road width limiting device is suitable for different road requirements.
Preferably, the strip-shaped groove has been seted up on the sleeve, and the strip-shaped groove sets up along sleeve length direction, and the fastener includes stop screw and installs the stop nut on stop screw, and stop screw and gag lever post are fixed continuous, and stop screw slides in the strip-shaped inslot and one end extends to outside the sleeve, and stop nut and stop screw thread fit offset with the sleeve.
Through adopting above-mentioned technical scheme, remove the gag lever post and adjust distance between the width limiting rod, when distance between the width limiting rod was this highway section restriction width, rotate limit nut and support the sleeve, make sleeve and gag lever post reciprocal anchorage.
In summary, the present application includes at least one of the following beneficial technical effects:
the device for adjusting the height of the cross beam is added, so that the height of the height limiting device can be conveniently adjusted on different road sections, the applicability of the embodiment of the application is enhanced, the height limiting rod is added, the height of the height limiting rod is set to be the height limited by the road section, and the damage to the height limiting device caused by the fact that a vehicle hits the cross beam is reduced;
the positioning piece is additionally arranged to enable the height limiting rod to be fixed on the cross beam, the structure of the positioning piece facilitates the installation and the disassembly of the height limiting rod, and when a vehicle collides with the height limiting rod, the damage of the vehicle to the cross beam is reduced.
The structure of the width limiting rods is increased, the distance between the two width limiting rods is the width limited by the road section, the width limiting rods are fixedly connected with the connecting rods, and the connecting rods are hinged with the stand columns, so that the damage to the height limiting device caused by the fact that the vehicle collides with the width limiting rods is reduced.
The structure that the connecting rod includes sleeve and gag lever post has been increased, conveniently adjusts distance between the width limiting rod, strengthens the suitability of limit for height device in different highway sections.
Drawings
FIG. 1 is a schematic structural diagram of a main body of an embodiment of the application;
FIG. 2 is a schematic cross-sectional view of a worm gear of the claimed embodiment;
FIG. 3 is a schematic cross-sectional view of a positioning member according to an embodiment of the present application;
fig. 4 is an enlarged schematic view of a portion a of fig. 1.
Description of reference numerals: 1. a cross beam; 12. a threaded hole; 13. a transverse slot; 14. a card slot; 2. a first upright post; 21. a second upright post; 22. a guide bar; 23. mounting grooves; 24. rotating the screw; 25. a worm gear; 26. a worm; 3. a height limiting rod; 31. a spring slot; 32. a connecting spring; 33. positioning blocks; 4. a hinged lever; 41. a connecting rod; 42. a sleeve; 43. a limiting rod; 44. a width limiting rod; 45. a torsion spring; 46. a limit screw; 47. a limit nut; 48. a hinged block.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses limit for height device for town road.
Referring to fig. 1 and 2, a height limiting device for town road, stand including the road both sides, crossbeam 1 at stand top, the stand includes stand one 2 and stand two 21, mounting groove 23 has been seted up to stand one 2, vertical rotation screw rod 24 is installed to mounting groove 23 internal rotation, rotation screw rod 24 top extends to stand one 2 tops, rotation screw rod 24 bottom fixedly connected with worm wheel 25, worm 26 is installed to the mounting groove 23 internal rotation, worm 26 and worm wheel 25 intermeshing, worm wheel 25's axis and the coincidence of rotation screw rod 24's axis, the worm 26 other end extends to stand one outside and installs the handle, crossbeam 1 bottom is seted up with rotation screw rod 24 screw-thread fit's screw hole 12, vertical guide bar 22 is installed on stand two 21 tops, crossbeam 1 cover is established on guide bar 22, guide bar 22 and crossbeam 1 sliding connection.
Referring to fig. 1 and 2, the handle is rotated to drive the worm 26 to rotate, the worm 26 and the worm wheel 25 are matched to drive the rotating screw 24 to rotate, the rotating screw 24 is in threaded fit with the threaded hole 12 to drive the cross beam 1 to move up or down, and the guide rod 22 enables the cross beam 1 to be always kept horizontal in the process of moving up or down. The height limiting device is suitable for different road sections by adjusting the height of the cross beam 1.
Referring to fig. 1, a transverse groove 13 is formed in the bottom of a cross beam 1 along the width direction of the cross beam 1, the transverse groove 13 is communicated with two sides of the width direction of the cross beam 1, a height limiting rod 3 is horizontally installed in the transverse groove 13, and the height limiting rod 3 is installed in the transverse groove 13 through a positioning piece. The height of the height limiting rod 3 is the height limited by the road section, the height limiting rod 3 can be detached through the positioning piece, and a vehicle collides with the height limiting rod 3, so that great damage is not easily caused to the height limiting device.
Referring to fig. 1, two hinge grooves are respectively formed between the first upright post 2 and the second upright post 21, a vertical hinge rod 4 is fixedly mounted in each hinge groove, a hinge block 48 is sleeved on each hinge rod 4, each hinge block 48 rotates by taking the axis of each hinge rod 4 as the center, and each hinge block 48 is fixedly connected with a horizontal connecting rod 41. One end of the connecting rod 41 is fixedly connected to the hinge block 48, and the other end is fixedly connected to the vertical width limiting rod 44. The distance between the two width-limiting rods 44 is the width limited by the current road section, and when the vehicle accidentally hits the width-limiting rods 44, the width-limiting rods 44 rotate around the hinge rod 4, so that the height-limiting device is not easily damaged by the impact.
Referring to fig. 3, a clamping groove 14 is horizontally formed in the side wall of the transverse groove 13, a gap is left between the top of the height limiting rod 3 and the top of the transverse groove 13 in the vertical direction, and the distance of the gap is greater than the width of the clamping groove 14 in the vertical direction. Horizontal spring groove 31 is seted up at limit for height pole 3 both ends, and the locating piece includes connecting spring 32 and the locating piece of slidable mounting in spring groove 31, connecting spring 32 and locating piece fixed connection, and the connecting spring 32 other end and the fixed linking to each other of spring groove 31 tank bottom, and the locating piece is kept away from spring groove 31 one end shaping and is had the inclined plane, and the inclined plane from the top down keeps away from spring groove 31 one end slope.
Referring to fig. 3, when the height-limiting rod 3 is installed, the height-limiting rod 3 is pushed upwards, the inner wall of the transverse groove 13 presses the inclined surface on the positioning block 33, so that the positioning block 33 moves towards the bottom of the spring groove 31, and when the positioning block 33 moves into the clamping groove 14, the positioning block 33 presses the inner wall of the clamping groove 14 under the action of the elastic force of the connecting spring 32, so as to fix the height-limiting rod 3. When the height limiting rod 3 is detached, the limiting rod 43 is pushed upwards, the inner wall of the top of the clamping groove 14 extrudes the inclined plane on the positioning block 33, the positioning block 33 moves towards the bottom of the spring groove 31, the distance between the inner wall of the top of the clamping groove 14 and the bottom of the transverse groove 13 is larger than the width of the clamping groove 14 in the vertical direction, the positioning block 33 can be used for pushing out the clamping groove 14, and when the positioning block 33 is separated from the clamping groove 14, the height limiting rod 3 can be taken down.
Referring to fig. 4, the hinge rod 4 is sleeved with a torsion spring 45, one end of the torsion spring 45 is fixedly connected to the hinge rod 4, the other end of the torsion spring 45 is connected to the top of the hinge block 48, and the torsion spring 45 resets the connecting rod 41, so that the distance between the two width limiting rods 44 is always kept to be the width limited by the current road section.
Referring to fig. 4, connecting rod 41 includes gag lever post 43 and the sleeve 42 of cover on gag lever post 43, gag lever post 43 one end and sleeve 42 are connected, other end fixed connection limit width pole 44, fixedly connected with stop screw 46 on the gag lever post 43, stop screw 46 keeps away from gag lever post 43 one end and installs stop nut 47, stop screw 46 and stop nut 47 screw-thread fit, sleeve 42 one end and gag lever post 43 are connected, other end fixed connection is on articulated piece 48, the bar groove has been seted up on sleeve 42, bar groove and sleeve 42 length direction are the same, stop screw 46 slides and extends outside sleeve 42 in the bar groove.
Referring to fig. 4, the limiting rod 43 slides in the sleeve 42 to adjust the length of the connecting rod 41, the distance between the two width limiting rods 44 is adjusted by adjusting the length of the connecting rod 41, and the limiting nut 47 is rotated to abut against the sleeve 42, so that the sleeve 42 and the limiting rod 43 are relatively fixed, and the length of the connecting rod 41 is limited.
The embodiment of the application provides a municipal administration is with limit for height device's implementation principle does: the worm 26 and the worm wheel 25 are matched to drive the rotating screw 24 to rotate, the rotating screw 24 is in threaded fit with the threaded hole 12 to drive the beam 1 to ascend or descend, the limiting rod 43 slides in the sleeve 42 to adjust the length of the connecting rod 41, and the adaptability of the height limiting device on different road sections is enhanced by adjusting the distance between the height of the beam 1 and the width limiting rod 44.
The height limiting rod 3 is fixed on the cross beam 1 through the structure of the connecting spring 32 and the positioning block 33, so that the height limiting rod 3 is convenient to mount and dismount, and the height limiting rod 3 is convenient to replace.
When the vehicle hits the width limiting rod 44, the width limiting rod 44 rotates around the hinge rod 4, so that the damage to the height limiting device caused by the vehicle hitting the height limiting device is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a height-limiting device for town road, includes stand, crossbeam (1) on stand top on both sides of road, its characterized in that: the upright post comprises a first upright post (2) and a second upright post (21), a rotating screw rod (24) is rotatably mounted at the top of the first upright post (2), a mounting groove (23) is formed in the first upright post (2), the bottom of the rotating screw rod (24) extends into the mounting groove (23) and is connected with a worm wheel (25), and the top of the rotating screw rod (24) extends to the position above the first upright post (2); a horizontal worm (26) is rotatably mounted on the first upright post (2), the end part of the worm (26) extends into the mounting groove (23), the worm (26) is meshed with the worm wheel (25), a threaded hole (12) is formed in the bottom of the cross beam (1), an internal thread is formed in the inner wall of the threaded hole (12), and a rotating screw (24) is in threaded fit with the threaded hole (12); a vertical guide rod (22) is arranged at the top of the second upright post (21), and the cross beam (1) is sleeved outside the guide rod (22) and is in sliding connection with the guide rod (22); transverse grooves (13) are formed in the bottom of the cross beam (1) along the width direction of the cross beam (1), the two sides of the cross beam (1) in the width direction are communicated through the transverse grooves (13), height limiting rods (3) are horizontally mounted in the transverse grooves (13), and the height limiting rods (3) are fixed in the transverse grooves (13) through positioning pieces.
2. The height limiting device for the municipal highway according to claim 1, wherein: spring groove (31) have been seted up to limit for height pole (3) both ends level, and the setting element includes connecting spring (32) and locating piece (33), and locating piece (33) slidable mounting is in spring groove (31), and connecting spring (32) one end and spring groove (31) tank bottom are fixed to be linked to each other, other end fixed connection locating piece (33), and draw-in groove (14) have been seted up to transverse groove (13) lateral wall upper level, and locating piece (33) and draw-in groove (14) inner wall offset.
3. The height limiting device for the municipal highway according to claim 2, wherein: the end of the positioning block (33) is provided with an inclined plane, and the inclined plane inclines from top to bottom in the direction away from the bottom of the spring groove (31).
4. The height limiting device for the municipal highway according to claim 2, wherein: a gap is reserved between the top of the height limiting rod (3) and the top of the transverse groove (13) in the vertical direction, and the distance of the gap is larger than the width of the clamping groove (14) in the vertical direction.
5. The height limiting device for the municipal highway according to claim 1, wherein: one side that stand one (2) and stand two (21) are close to each other is equipped with the hinge groove respectively, and the hinge inslot is fixed and is provided with vertical hinge rod (4), rotates on hinge rod (4) and installs hinge block (48), and hinge block (48) use the axis of hinge rod (4) as center of rotation line, and fixed connection has horizontally connecting rod (41) on hinge block (48), and the one end that hinge block (48) were kept away from in connecting rod (41) is provided with vertical limit for width pole (44).
6. A height limiting device for a town road according to claim 5, wherein: the hinge rod (4) is sleeved with a torsion spring (45), one end of the torsion spring (45) is fixedly connected with the hinge rod (4), and the other end of the torsion spring is fixedly connected with the hinge block (48).
7. A height limiting device for a town road according to claim 5, wherein: connecting rod (41) include sleeve (42) and gag lever post (43), and sleeve (42) one end and hinged rod (4) rotate to be connected, gag lever post (43) one end and limit for width pole (44) fixed connection, and sleeve (42) cover is established on gag lever post (43), sleeve (42) and gag lever post (43) sliding connection, and sleeve (42) and gag lever post (43) are fixed through the fastener.
8. A height limiting device for a town road according to claim 7, wherein: the utility model discloses a sleeve, including sleeve (42), set up the strip groove on sleeve (42), the strip groove sets up along sleeve (42) length direction, and the fastener includes stop screw (46) and installs stop nut (47) on stop screw (46), and stop screw (46) and gag lever post (43) are fixed continuous, and stop screw (46) slide in the strip groove and one end extends to outside sleeve (42), and stop nut (47) and stop screw (46) screw-thread fit are offset with sleeve (42).
CN202021774799.7U 2020-08-22 2020-08-22 Height limiting device for municipal highway Active CN213142847U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021774799.7U CN213142847U (en) 2020-08-22 2020-08-22 Height limiting device for municipal highway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021774799.7U CN213142847U (en) 2020-08-22 2020-08-22 Height limiting device for municipal highway

Publications (1)

Publication Number Publication Date
CN213142847U true CN213142847U (en) 2021-05-07

Family

ID=75739444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021774799.7U Active CN213142847U (en) 2020-08-22 2020-08-22 Height limiting device for municipal highway

Country Status (1)

Country Link
CN (1) CN213142847U (en)

Similar Documents

Publication Publication Date Title
CN211256666U (en) Road bridge safety barrier
CN213142847U (en) Height limiting device for municipal highway
CN210975537U (en) Bridge guardrail with safety warning function
CN210529571U (en) Road and bridge rail guard
CN112160276A (en) Safety barrier with adjustable protection height
CN215052475U (en) Traffic road protective fence
CN214497177U (en) Anti-collision protection fence for municipal road bridge
CN109930519B (en) Anti-collision self-resetting boundary limiting frame for overpass highway railway bridge
CN208472630U (en) A kind of highway crash buffer unit
CN112695677A (en) Road guardrail stand
CN216640374U (en) Highway engineering road is with flexible limit for height frame
CN215977022U (en) Anti-collision protection fence for road and bridge
CN215978837U (en) Road bridge tunnel construction rail guard
CN220013377U (en) Bridge anticollision barrier device
CN214587297U (en) Traffic signal lamp is with stand that takes precautions against earthquakes
CN219733021U (en) Protective bracket structure of municipal safety guard rail
CN215441631U (en) Rail guard structure convenient to equipment on both sides of road
CN211472163U (en) Novel public road bridge roof beam anticollision device
CN209760087U (en) Height limiting frame for municipal road
CN112647758B (en) Safety barrier with connection structure for highway maintenance
CN219011047U (en) Highway bridge guardrail
CN220813587U (en) Municipal administration guardrail
CN213267643U (en) Road rail guard of highway engineering construction usefulness
CN215801282U (en) Landscape guardrail structure
CN219586628U (en) Socket rigid guard rail

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 247100 R & D building of Jin'an Industrial Park, Chizhou economic and Technological Development Zone, Anhui Province (in Zhengsheng company)

Patentee after: Anhui Qitai Construction Group Co.,Ltd.

Address before: 247100 R & D building of Jin'an Industrial Park, Chizhou economic and Technological Development Zone, Anhui Province (in Zhengsheng company)

Patentee before: Anhui Qitai Construction Engineering Co.,Ltd.