CN113863633B - Self-locking splicing type scaffold - Google Patents

Self-locking splicing type scaffold Download PDF

Info

Publication number
CN113863633B
CN113863633B CN202111299366.XA CN202111299366A CN113863633B CN 113863633 B CN113863633 B CN 113863633B CN 202111299366 A CN202111299366 A CN 202111299366A CN 113863633 B CN113863633 B CN 113863633B
Authority
CN
China
Prior art keywords
locking
snap ring
ring
connector
locking mechanism
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
CN202111299366.XA
Other languages
Chinese (zh)
Other versions
CN113863633A (en
Inventor
卢晓峰
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.)
Jiangsu Huatai Road And Bridge Construction Group Co ltd
Original Assignee
Yangzhou Polytechnic Institute
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 Yangzhou Polytechnic Institute filed Critical Yangzhou Polytechnic Institute
Priority to CN202111299366.XA priority Critical patent/CN113863633B/en
Publication of CN113863633A publication Critical patent/CN113863633A/en
Application granted granted Critical
Publication of CN113863633B publication Critical patent/CN113863633B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/02Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means
    • E04G1/04Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means the members being exclusively poles, rods, beams, or other members of similar form and simple cross-section
    • E04G1/06Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means the members being exclusively poles, rods, beams, or other members of similar form and simple cross-section comprising members with rod-like or tubular portions fitting together end to end, with or without separate connecting pieces
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00Connections between parts of the scaffold
    • E04G7/02Connections between parts of the scaffold with separate coupling elements
    • E04G7/06Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/22Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention relates to a self-locking splicing type scaffold. The device is including horizontal pole and montant, first locking mechanism has been cup jointed on the montant, set up second locking mechanism on the horizontal pole free end, first locking mechanism is including half right connector, half left connector and base member, the inside locking board of being connected with half left connector that is provided with of base member, second locking mechanism is including the linkage that is four link mechanism settings, the device sets up through first locking mechanism and the cooperation of second locking mechanism, with scaffold frame horizontal pole and montant installation locking, fixed back of first locking mechanism benchmark simultaneously, second locking mechanism can be according to the pressure size that the horizontal pole receives, realize the self-interacting of locking degree, pressure is big more, locking degree is high more, apply to industrial production, has very strong practicality.

Description

Self-locking splicing type scaffold
Technical Field
The invention belongs to the technical field of building scaffolds, and particularly relates to a self-locking splicing type scaffold.
Background
The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. The scaffold is divided into an outer scaffold and an inner scaffold according to the erected positions; the scaffold can be divided into a wood scaffold, a bamboo scaffold and a steel pipe scaffold according to different materials; the scaffold is divided into a vertical rod type scaffold, a bridge type scaffold, a door type scaffold, a suspension type scaffold, a hanging type scaffold, a lifting type scaffold and a climbing type scaffold according to the structural form.
With the appearance of a large number of modern large-scale building systems in China, the fastener type steel pipe scaffold can not meet the requirement of building construction development, and the rapid development, popularization and application of the novel scaffold are urgent. Practice proves that the novel scaffold is safe and reliable in construction and high in assembly and disassembly speed, the steel consumption of the scaffold can be reduced by 33%, the assembly and disassembly efficiency is improved by more than two times, the construction cost can be obviously reduced, and the construction site is civilized and tidy.
Scaffold among the prior art locking degree is lower, contradicts through the conical surface extrusion, and poor stability has certain limitation.
Disclosure of Invention
The invention aims to solve the technical problems that the existing scaffold is single in locking mode and easy to loosen after being locked, and provides a self-locking splicing type scaffold in order to overcome the defects.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the self-locking splicing type scaffold comprises a cross rod and a vertical rod, wherein a first locking mechanism is arranged at the free end of the cross rod, the first locking mechanism comprises a right half connector, the right half connector comprises two half arc plates which are arranged at an upper interval and a lower interval, the lower ends of the two half arc plates are connected through a base body, the upper ends of the two half arc plates are hinged with a left half connector, the free end of the semicircular left half connector is inserted into the base body, a locking plate is hinged into the base body, a first ratchet is arranged on the part, facing the left half connector, of the locking plate, a second ratchet is arranged on the left half connector, facing the first ratchet, the first ratchet is in clamping connection with the second ratchet, a vertical compression spring is arranged in the base body below the locking plate, the upper end of the compression spring is connected with the lower surface of the locking plate, the free end of the locking plate is provided with an arc-shaped inward concave part, the base body is provided with an inward flanging, the inner concave part surface is provided with a convex part on the side of the free end of the locking plate, a long strip-shaped clamping ring is hinged into a clamping ring, the vertical clamping ring is connected with a vertical section, when the unlocking ring rotates, the convex part, the second clamping ring is connected with an outward inserting hole, and the unlocking ring, and the outer surface of the vertical clamping ring is connected with an unlocking ring.
Further, be provided with the connector on the horizontal pole free end, articulated on the connector have a second locking mechanism, second locking mechanism is including articulating two sets of connecting rods on the connector, two connecting rod parallel arrangement, and the decurrent connecting rod end of slope is connected with the chucking seat, and the chucking seat towards the montant is provided with the annular snap ring of arc form on the surface, be provided with the latch on the annular snap ring concave surface, the annular snap ring is located and sets up between the two half arc boards of right half connector, annular snap ring lower extreme overlap joint is on the half arc board internal surface of right half connector downside, leave the clearance of annular snap ring drunkenness between the half arc board of annular snap ring upper end and right half connector upside, all seted up the through-hole on the two half arc boards of right half connector, seted up waist type groove on the just right annular snap ring of through-hole, still including locking bolt, locking bolt passes through-hole and the waist type groove that corresponds, is connected first locking mechanism and annular snap ring, and the locking bolt end that passes each through-hole has all connect lock nut soon, and each locking nut tip all contradicts on the outer terminal surface of half arc board that corresponds.
Further, annular snap ring is located the setting of chucking seat middle part, and the chucking seat side that is located annular snap ring top and below all is provided with supplementary snap ring, all set up the U type groove the same with each waist type trench position on the supplementary snap ring, each locking bolt free end passes each U type groove setting, leaves the clearance of supplementary snap ring drunkenness between the semi-circular arc board of supplementary snap ring that is located chucking seat lower part and half right connector downside. The arrangement of the auxiliary clamping ring improves the locking degree of the second locking mechanism and the vertical rod.
Furthermore, a threaded hole is formed in the bottom of the base body, a limiting bolt is screwed in the threaded hole, and the end head of the free end of the limiting bolt in the base body abuts against the lower surface of the locking plate. The setting of spacing bolt has played limiting displacement to the locking plate, when spacing bolt contradicted on locking plate lower surface, uses the unblock instrument also can't break away from locking plate and left half connector.
Furthermore, the cross rod is a telescopic rod, and the telescopic rod comprises a hollow pipe which is horizontally arranged and a solid rod which is movably inserted in the hollow pipe.
When the high-altitude operation worker steps on the transverse rod, due to the action of self gravity, the inclined connecting rod rotates slightly, the axial center distance between the clamping seat and the connecting head is changed, the annular clamping ring moves slightly in a gap, the annular clamping ring extrudes the vertical rod and is clamped more tightly, when the transverse rod and the vertical rod are disassembled, the locking bolt locks the transverse rod and the second locking mechanism at the end of the transverse rod, the second locking mechanism is disassembled through the unlocking tool, the second locking mechanism is disassembled, the clamping tool is inserted into the unlocking hole, the second locking mechanism is rotated, the second locking mechanism is disassembled, the vertical rod and the end of the transverse rod are disassembled, the clamping ratchet is inserted into the locking hole, the first locking mechanism is separated from the second locking plate, and the second locking mechanism is disassembled.
Compared with the prior art, the invention has the beneficial effects that: the device sets up through first locking mechanism and second locking mechanism cooperation, with scaffold frame horizontal pole and montant installation locking, and the back is fixed to first locking mechanism benchmark simultaneously, and second locking mechanism can realize the self-interacting of locking degree according to the pressure size that the horizontal pole receives, and pressure is big more, and locking degree is high more, applies to industrial production, has very strong practicality.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of the internal structure of the first locking mechanism of the present invention.
Fig. 3 is a partially enlarged view of a point a in fig. 1.
FIG. 4 is a partial enlarged view of the area B in FIG. 2
In the figure: 1 horizontal pole, 2 montants, 3 right half connector, 301 semicircle board, 302 base members, 4 left half connector, 5 locking plates, 6 first ratchets, 7 second ratchets, 8 compression spring, the interior recess of 9, 10 turn-ups, 11 bellyings, 12 unlocking rings, 1201 rings, the vertical section of 1202, 1203 joint portion, 13 connectors, 14 connecting rods, 15 clamping seats, 16 annular snap rings, 17 latch, 18 clearances, 19 locking bolts, 20 lock nuts, 21 supplementary snap rings, 22 stop bolts.
Detailed Description
The technical solution of the present application will be further described and explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1-4, the self-locking splicing scaffold comprises a cross bar 1 and a vertical bar 2, a first locking mechanism is arranged at the free end of the cross bar 1, the first locking mechanism comprises a right half connector 3, the right half connector 3 comprises two half circular arc plates 301 which are arranged at intervals up and down, the lower ends of the two half circular arc plates 301 are connected through a base 302, the upper ends of the two half circular arc plates 301 are hinged with a left half connector 4, the free end of the semicircular left half connector 4 is inserted into the base 302, a locking plate 5 is hinged in the base 302, a first ratchet 6 is arranged at the part of the locking plate 5 facing the left half connector 4, a second ratchet 7 is arranged on the left half connector 4 opposite to the first ratchet 6, the first ratchet 6 is connected with the second ratchet 7 in a clamping manner, a vertical compression spring 8 is arranged in the base 302 below the locking plate 5, 8 upper ends of compression spring are connected with 5 lower surfaces of locking plate, 5 free ends of locking plate are provided with the interior recess 9 of arc form, base member 302 is provided with intussusception 10, interior recess 9 is surperficial including the conflict of intussusception 10 free section, 5 free end sides of locking plate still are provided with bellying 11, it has unlocking ring 12 to articulate in the base member 302, unlocking ring 12 is including the ring 1201, the ring 1201 upper end is connected with vertical section 1202, when unlocking ring 12 rotates, vertical section 1202 extrudees bellying 11, make locking plate 5 rotate, first ratchet 6 and the separation of second ratchet 7, when unlocking ring 12 is in the normality, bellying 11 conflicts on the ring 1201 surface, still set up long banding joint portion 1203 in the ring 1201, base member 302 is opened outward and is equipped with the spliced eye, it has the unblocking instrument to peg graft in the spliced eye. The free end of the cross rod 1 is provided with a connector 13, the connector 13 is hinged with a second locking mechanism, the second locking mechanism comprises two groups of connecting rods 14 hinged on the connector 13, the two connecting rods 14 are arranged in parallel, the end of the connecting rod 14 inclined downwards is connected with a clamping seat 15, an arc-shaped annular clamping ring 16 is arranged on the surface of the clamping seat 15 facing the vertical rod 2, a clamping tooth 17 is arranged on the inner concave surface of the annular clamping ring 16, the annular clamping ring 16 is arranged between two half arc plates 301 of the right half connector 3, the lower end of the annular clamping ring 16 is lapped on the inner surface of the half arc plate 301 at the lower side of the right half connector 3, a gap 18 for the annular clamping ring 16 to move is reserved between the upper end of the annular clamping ring 16 and the half arc plate 301 at the upper side of the right half connector 3, through holes are formed in the two half arc plates 301 of the right half connector 3, waist-shaped grooves are formed in the annular clamping ring 16 opposite to the through holes, the locking bolts 19 penetrate through holes and the corresponding waist-shaped grooves, the first locking mechanism is connected with the annular clamping ring 16, the locking nuts 19 which penetrate through holes, and the ends of the locking nuts which abut against the through holes are screwed with the locking nuts 20, and the locking nuts, and the ends of the locking nuts which correspond to the outer end faces of the locking nuts. The annular snap ring 16 is arranged in the middle of the clamping seat 15, the side faces of the clamping seat above and below the annular snap ring 16 are provided with auxiliary snap rings 21, U-shaped grooves with the same positions as the waist-shaped grooves are formed in the auxiliary snap rings 21, the free ends of the locking bolts 19 penetrate through the U-shaped grooves, and gaps 18 for assisting the movement of the snap rings 21 are reserved between the auxiliary snap rings 21 on the lower portion of the clamping seat 15 and the semi-circular arc plates 301 on the lower side of the right half connector 3. The arrangement of the auxiliary snap ring 21 improves the locking degree of the second locking mechanism and the vertical rod 2. The bottom of the base body 302 is provided with a threaded hole, a limiting bolt 22 is screwed in the threaded hole, and the end head of the free end of the limiting bolt 22 positioned in the base body 302 is abutted against the lower surface of the locking plate 5. The arrangement of the limiting bolt 22 has a limiting effect on the locking plate 5, and when the limiting bolt 22 abuts against the lower surface of the locking plate 5, the locking plate 5 cannot be separated from the left half connecting body 4 by using an unlocking tool. The cross rod 1 is a telescopic rod which comprises a hollow pipe arranged horizontally and a solid rod movably inserted in the hollow pipe.
When the high-altitude operation worker steps on the cross rod 1, due to the action of self gravity, the inclined connecting rod 14 rotates in a micro-angle mode, so that the axial center distance between the clamping seat 15 and the connecting head 13 is changed, the annular clamping ring 16 slightly moves in the gap 18, the annular clamping ring 16 extrudes the vertical rod 2, the clamping joint is more tightly clamped, when the vertical rod 1 and the locking bolt 2 are disassembled, the locking bolt 1 and the connecting head 19 are detached, the locking bolt 1 and the second locking mechanism are detached, the vertical rod 2 is detached from the inserting and connecting head, the inserting and connecting mechanism separates the vertical rod 2 from the inserting and connecting head 12, the inserting and connecting mechanism detaches the vertical rod 2, the inserting and connecting head of the second locking mechanism and the vertical rod 2, the inserting and detaching of the second locking mechanism, the vertical rod 2 and the vertical rod 5 are detached, the left half connecting body 4 is detached from the outer surface of the vertical rod 2, after the clamping is completed, the left half connecting body 4 and the right half connecting body 3 are enclosed and clamped on the vertical rod 2, the right half connecting body 3, after the clamping is completed, the clamping joint is detached, the annular clamping and the annular clamping mechanism is detached from the vertical rod 1, and the second locking mechanism, and the vertical rod 2, and the inserting and the second locking mechanism are detached from the inserting and detaching of the vertical rod 1, and the vertical rod 2.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims (4)

1. The utility model provides a self-locking concatenation formula scaffold, includes horizontal pole and montant, its characterized in that: the free end of the cross rod is provided with a first locking mechanism which comprises a right half connecting body, the right half connecting body comprises two half arc plates which are arranged at an upper interval and a lower interval, the lower ends of the two half arc plates are connected through a base body, the upper ends of the two half arc plates are hinged with a left half connecting body, the free end of the semicircular left half connecting body is inserted in the base body, a locking plate is hinged in the base body, the part of the locking plate, facing the left half connecting body, is provided with a first ratchet, the left half connecting body, facing the first ratchet, is provided with a second ratchet, the first ratchet and the second ratchet are clamped and arranged, a vertical compression spring is arranged in the base body below the locking plate, the upper end of the compression spring is connected with the lower surface of the locking plate, the free end of the locking plate is provided with an arc-shaped inward concave part, the base body is provided with an inward flange, and the free section of the inward concave part is arranged on the surface, the side surface of the free end of the locking plate is also provided with a convex part, a unlocking ring is hinged in the base body and comprises a circular ring, the upper end of the circular ring is connected with a vertical section, when the unlocking ring rotates, the vertical section extrudes the convex part to enable the locking plate to rotate, a first ratchet is separated from a second ratchet, when the unlocking ring is in a normal state, the convex part is abutted against the outer surface of the circular ring, a long-strip-shaped clamping part is also arranged in the circular ring, the base body is externally provided with an inserting hole, an unlocking tool is inserted in the inserting hole, the free end of the cross rod is provided with a connector, a second locking mechanism is hinged on the connector and comprises two groups of connecting rods hinged on the connector, the two connecting rods are arranged in parallel, the end of the obliquely downward connecting rod is connected with a clamping seat, and an arc-shaped annular clamping ring is arranged on the surface of the clamping seat facing the vertical rod, be provided with the latch on the concave surface in the annular snap ring, the annular snap ring is located and sets up between the two halves arc board of half right connector, annular snap ring lower extreme overlap joint is on half arc board internal surface of half right connector downside, leave the clearance of annular snap ring drunkenness between the half arc board of annular snap ring upper end and half right connector upside, all seted up the through-hole on the two halves arc board of half right connector, seted up waist type groove on the just right annular snap ring of through-hole, still including locking bolt, locking bolt passes through-hole and the waist type groove that corresponds, is connected first locking mechanical system and annular snap ring, and the locking bolt end that passes each through-hole has all connect lock nut soon, and each lock nut tip all contradicts on the outer terminal surface of half arc board that corresponds.
2. The self-locking splicing scaffold of claim 1, wherein: annular snap ring is located chucking seat middle part setting, is located annular snap ring top and the chucking seat side of below and all is provided with supplementary snap ring, all set up on the supplementary snap ring with each waist type trench position the same U type groove, each locking bolt free end passes each U type groove setting, is located and leaves the clearance of supplementary snap ring drunkenness between supplementary snap ring of chucking seat lower part and the semi-circular arc board of half connector downside on the right side.
3. The self-locking splicing scaffold according to claim 2, wherein: the bottom of the base body is provided with a threaded hole, a limiting bolt is screwed in the threaded hole, and the free end head of the limiting bolt in the base body abuts against the lower surface of the locking plate.
4. A self-locking scaffold according to any of claims 1 to 3 wherein: the cross rod is a telescopic rod, and the telescopic rod comprises a hollow pipe which is horizontally arranged and a solid rod which is movably inserted in the hollow pipe.
CN202111299366.XA 2021-11-04 2021-11-04 Self-locking splicing type scaffold Active CN113863633B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111299366.XA CN113863633B (en) 2021-11-04 2021-11-04 Self-locking splicing type scaffold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111299366.XA CN113863633B (en) 2021-11-04 2021-11-04 Self-locking splicing type scaffold

Publications (2)

Publication Number Publication Date
CN113863633A CN113863633A (en) 2021-12-31
CN113863633B true CN113863633B (en) 2022-12-13

Family

ID=78987038

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111299366.XA Active CN113863633B (en) 2021-11-04 2021-11-04 Self-locking splicing type scaffold

Country Status (1)

Country Link
CN (1) CN113863633B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207686267U (en) * 2017-12-26 2018-08-03 无锡市平步五金机械包装有限公司 A kind of bindiny mechanism of scaffold
CN210622290U (en) * 2019-09-17 2020-05-26 扬州工业职业技术学院 Quick-release self-locking scaffold
CN111884163A (en) * 2020-08-04 2020-11-03 贵州电网有限责任公司 Handcuff type porcelain bottle cable fixer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6481912B2 (en) * 2001-03-29 2002-11-19 Lung Ching Shih Prop connecting ring
CN210459951U (en) * 2019-06-17 2020-05-05 绍兴明煌科技有限公司 Scaffold connecting piece
CN212507262U (en) * 2020-05-28 2021-02-09 凉山州风腾建设工程有限公司 Scaffold for building with buckle joint structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207686267U (en) * 2017-12-26 2018-08-03 无锡市平步五金机械包装有限公司 A kind of bindiny mechanism of scaffold
CN210622290U (en) * 2019-09-17 2020-05-26 扬州工业职业技术学院 Quick-release self-locking scaffold
CN111884163A (en) * 2020-08-04 2020-11-03 贵州电网有限责任公司 Handcuff type porcelain bottle cable fixer

Also Published As

Publication number Publication date
CN113863633A (en) 2021-12-31

Similar Documents

Publication Publication Date Title
CN2839997Y (en) Suspension type engine test run rack
CN113863633B (en) Self-locking splicing type scaffold
CN101314961A (en) Dish shaped node suitable for joint of chord-tension truss stay rod and double-cable
CN203086058U (en) Multidirectional combined-type crossing frame
CN201151391Y (en) Built-in hanging on top of subway vehicle
CN201747047U (en) Wedge-shaped dovetail connecting structure capable of being assembled or disassembled rapidly
CN201883675U (en) Safe scaffold convenient in installation and detachment
CN200989057Y (en) Conic clamping steel pipe scaffold coupling parts
CN213927434U (en) Auxiliary attachment device for attached lifting scaffold of overhead structure of super high-rise building
CN202299393U (en) Building block type scaffold
CN215760279U (en) Socket joint formula steel pipe scaffold frame
CN210529918U (en) Lower overhanging connecting unit of assembled balcony
CN212310625U (en) Forming die of vertical rod self-locking device for scaffold
CN210194901U (en) Rotary buckle type connecting joint structure for circular steel pipe column
CN203947637U (en) A kind of syndeton of Glass Rib
CN113860154A (en) Steel pipe hoisting mechanical claw for construction
CN201722916U (en) Wedgy-bottom dovetailing structure with two-way quick assembly or disassembly
CN111589956A (en) Forming die of vertical rod self-locking device for scaffold
CN220470842U (en) Prefabricated assembly type finished product supporting and hanging frame
CN219133313U (en) Three-beam four-column hydraulic machine with safety device structure
CN205276855U (en) A fastener for connecting steel pipe
CN218148942U (en) Connecting piece of light steel structure
CN213710310U (en) Adjustable slicing turnover plate
CN213572966U (en) Civil engineering construction support
CN220412693U (en) Tower body frame structure of tower crane

Legal Events

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

Effective date of registration: 20230313

Address after: 225000 No. 17 Yinyan Road, Guangling Industrial Park, Guangling District, Yangzhou City, Jiangsu Province

Patentee after: Jiangsu Huatai Road and Bridge Construction Group Co.,Ltd.

Address before: 225000 Huayang Xi Road, Yangzhou, Jiangsu 199

Patentee before: YANGZHOU POLYTECHNIC INSTITUTE

TR01 Transfer of patent right