CN103640924A - Anti-torsion device for uncoiling steel strand - Google Patents

Anti-torsion device for uncoiling steel strand Download PDF

Info

Publication number
CN103640924A
CN103640924A CN201310706042.2A CN201310706042A CN103640924A CN 103640924 A CN103640924 A CN 103640924A CN 201310706042 A CN201310706042 A CN 201310706042A CN 103640924 A CN103640924 A CN 103640924A
Authority
CN
China
Prior art keywords
steel strand
unfolding
torsion bar
cavity volume
twisting equipment
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.)
Pending
Application number
CN201310706042.2A
Other languages
Chinese (zh)
Inventor
周贵君
苏高峰
王新铭
李佳桐
郭玉良
王露
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.)
State Grid Corp of China SGCC
Xinxiang Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xinxiang Power Supply Co of State Grid Henan Electric Power 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 State Grid Corp of China SGCC, Xinxiang Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310706042.2A priority Critical patent/CN103640924A/en
Publication of CN103640924A publication Critical patent/CN103640924A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Reinforcement Elements For Buildings (AREA)

Abstract

The invention discloses an anti-torsion device for uncoiling a steel strand. The anti-torsion device comprises a support body and anti-torsion rods, wherein the anti-torsion rods can rotate around the support body in the axial direction and are arranged at the end parts of the support body. According to the anti-torsion device, the anti-torsion rods connected with the steel strand rotate to release the restoring force of the steel strand during uncoiling; during rotation, the anti-torsion rods eliminate torsional stiffness and dead bends, generated during the uncoiling process of the steel strand, so as to avoid affecting the quality of the steel strand; meanwhile, manual eliminating of the torsional stiffness and the dead bends is not needed so as to avoid hurting workers and effectively improve the safety and reliability; the labor cost is lowered, and thus the uncoiling cost is lowered; the labor intensity of the workers is effectively reduced; the uncoiling time is reduced, and thus the uncoiling efficiency is effectively improved.

Description

Steel strand unfolding anti-twisting equipment
Technical field
The present invention relates to steel strand unfolding technical field, more particularly, relate to a kind of steel strand unfolding anti-twisting equipment.
Background technology
At present, steel strand dish is put together, in the time of need to using steel strand, steel strand drum is placed on pay off rack, and utilizing the steel strand unfolding that tractor equipment is put dish is linearity.But can constantly there is " turning round strength " and " dog leg " in steel strand in expansion process, cause steel strand pine strand even to damage steel strand inner structure, affect the quality of steel strand.
In addition, when " turning round strength " and " dog leg " appears in steel strand, need artificial manually steel strand, " the turning round strength " and " dog leg " of eliminating steel strand, still, so more easily injures staff, and safe reliability is lower; And, cause human cost higher, make to unfold cost larger, staff's labour intensity is also larger.
In addition, at steel strand expansion process, " the turning round strength " and " dog leg " that need to the extra time remove manually to eliminate steel strand, causes the unfolding time longer, and unfolding efficiency is lower.
In sum, how to unfold steel strand, " the turning round strength " and " dog leg " occurring in expansion process to eliminate steel strand, and then avoid affecting steel strand quality, be current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of steel strand unfolding anti-twisting equipment, " the turning round strength " and " dog leg " occurring in expansion process to eliminate steel strand, and then avoid affecting steel strand quality.
To achieve these goals, the invention provides following technical scheme:
A steel strand unfolding anti-twisting equipment, comprising: supporter and can be around the anti-torsion bar of its axial rotation; Wherein, described anti-torsion bar is arranged at the end of described supporter.
Preferably, above-mentioned steel strand unfolding is with in anti-twisting equipment, and the end of described anti-torsion bar is provided with coupling link.
Preferably, above-mentioned steel strand unfolding is with in anti-twisting equipment, and described anti-torsion bar and described coupling link are integral type structure.
Preferably, above-mentioned steel strand unfolding anti-twisting equipment, also comprises the U-shaped link being arranged on described coupling link.
Preferably, above-mentioned steel strand unfolding is with in anti-twisting equipment, and described anti-torsion bar is rotatedly connected by bearing and described supporter; Described supporter inside has first location division of described bearing one end, location; Described anti-torsion bar has the second location division of the described bearing other end in location.
Preferably, above-mentioned steel strand unfolding is with in anti-twisting equipment, described supporter has the first cavity volume and the second cavity volume being connected with described the first cavity volume two ends, and the diameter of described the first cavity volume is greater than the diameter of described the second cavity volume, and the end face of described the first cavity volume forms described the first location division; Described anti-torsion bar stretches in described the second cavity volume and described the first cavity volume in successively, and the external diameter of described anti-torsion bar is less than the diameter of described the second cavity volume.
Preferably, above-mentioned steel strand unfolding is with in anti-twisting equipment, and the number of described anti-torsion bar is two, and two described anti-torsion bars lay respectively at the two ends of described supporter.
Preferably, above-mentioned steel strand unfolding is with in anti-twisting equipment, and described supporter inside has the locations of anti-torsion bar described in axial location.
Preferably, above-mentioned steel strand unfolding is with in anti-twisting equipment, and the second location division of two described anti-torsion bars is connected by Compress Spring, and described Compress Spring is positioned at described the first cavity volume.
Preferably, above-mentioned steel strand unfolding anti-twisting equipment, also comprises the baffle plate being arranged between described the second location division and described Compress Spring.
The using method of anti-twisting equipment for steel strand unfolding provided by the invention: steel strand drum is placed on pay off rack, the termination of steel strand is connected on anti-torsion bar, tractor equipment is connected with one end of supporter, start tractor equipment, tractor equipment drives this steel strand unfolding to move together with steel strand with anti-twisting equipment, realizes the unfolding of steel strand.
The principle of work of anti-twisting equipment for steel strand unfolding provided by the invention: when tractor equipment drives this steel strand unfolding to move with anti-twisting equipment and steel strand, steel strand produce restoring force in unfolding process, this restoring force drives anti-torsion bar to rotate, " turning round strength " opposite direction of the rotation direction of anti-torsion bar and steel strand, thereby the restoring force that these steel strand are produced in unfolding process is discharged, therefore anti-torsion bar has been eliminated " turning round strength " and " dog leg " that steel strand produce in unfolding process in rotation process.
Steel strand unfolding anti-twisting equipment provided by the invention, the rotation of the anti-torsion bar that utilization is connected with steel strand, discharged the restoring force that steel strand produce in unfolding process, anti-torsion bar has been eliminated " turning round strength " and " dog leg " that steel strand produce in unfolding process in rotation process, and then has avoided affecting steel strand quality.
Simultaneously, steel strand unfolding anti-twisting equipment provided by the invention, has eliminated " turning round strength " and " dog leg " that steel strand produce in unfolding process, without artificial " turning round strength " and " dog leg " of eliminating steel strand, avoid injuring staff, effectively improved safe reliability; Also reduce human cost, thereby reduced unfolding cost; Also effectively reduce staff's labour intensity.
Simultaneously, steel strand unfolding anti-twisting equipment provided by the invention has been eliminated " turning round strength " and " dog leg " that steel strand produce in unfolding process, without artificial " turning round strength " and " dog leg " of eliminating steel strand of extra time, thereby reduced the unfolding time, effectively improved unfolding efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The steel strand unfolding that Fig. 1 provides for the embodiment of the present invention structural representation of anti-twisting equipment;
The steel strand unfolding that Fig. 2 provides for the embodiment of the present invention use schematic diagram of anti-twisting equipment.
In upper Fig. 1-2:
1 is that supporter, 101 is that the first cavity volume, 102 is that the second cavity volume, 2 is that coupling link, 3 is that anti-torsion bar, 301 is that the second location division, 4 is that Compress Spring, 5 is that baffle plate, 6 is that bearing, 7 is that steel strand drum, 8 is that pay off rack, 9 is that steel strand, 10 are that clamping head of steel strand, 11 is that U-shaped link, 12 is tractor equipment.
The specific embodiment
The embodiment of the present invention provides a kind of steel strand unfolding anti-twisting equipment, has eliminated " turning round strength " and " dog leg " that steel strand occur in expansion process, and then has avoided affecting steel strand quality.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The steel strand unfolding anti-twisting equipment that the embodiment of the present invention provides, comprising: supporter 1 and can be around the anti-torsion bar 3 of its axial rotation; Wherein, anti-torsion bar 3 is arranged at the end of supporter 1.
It should be noted that, anti-torsion bar 3 can be around self axial rotation, and anti-torsion bar 3 is arranged at supporter 1 rotationally.Supporter 1 can be column, rectangular-shaped etc., and the embodiment of the present invention is not done concrete restriction to the shape of supporter 1.One end of supporter 1 is connected with anti-torsion bar 3, and the other end of supporter 1 is connected with tractor equipment 12.The embodiment of the present invention does not limit supporter 1 and the concrete type of attachment of tractor equipment 12.
The using method of anti-twisting equipment for the steel strand unfolding that the embodiment of the present invention provides: steel strand drum 7 is placed on pay off rack 8, the termination of steel strand 9 is connected on anti-torsion bar 3, tractor equipment 12 is connected with one end of supporter 1, start tractor equipment 12, tractor equipment 12 drives this steel strand unfolding to move together with steel strand 9 with anti-twisting equipment, realizes the unfolding of steel strand 9.
The principle of work of anti-twisting equipment for the steel strand unfolding that the embodiment of the present invention provides: when tractor equipment 12 drives this steel strand unfolding to move with anti-twisting equipment and steel strand 9, steel strand 9 produce restoring force in unfolding process, this restoring force drives anti-torsion bar 3 to rotate, " turning round strength " opposite direction of the rotation direction of anti-torsion bar 3 and steel strand 9, thereby the restoring force that these steel strand 9 are produced in unfolding process is discharged, therefore anti-torsion bar 3 has been eliminated " turning round strength " and " dog leg " that steel strand 9 produce in unfolding process in rotation process.
The steel strand unfolding anti-twisting equipment that the embodiment of the present invention provides, the rotation of the anti-torsion bar 3 that utilization is connected with steel strand 9, discharged the restoring force that steel strand 9 produce in unfolding process, anti-torsion bar 3 has been eliminated " turning round strength " and " dog leg " that steel strand 9 produce in unfolding process in rotation process, and then has avoided affecting steel strand 9 quality.
Simultaneously, the steel strand unfolding anti-twisting equipment that the embodiment of the present invention provides, has eliminated " turning round strength " and " dog leg " that steel strand 9 produce in unfolding process, without artificial " turning round strength " and " dog leg " of eliminating steel strand 9, avoid injuring staff, effectively improved safe reliability; Also reduce human cost, thereby reduced unfolding cost; Also effectively reduce staff's labour intensity.
Simultaneously, the steel strand unfolding anti-twisting equipment that the embodiment of the present invention provides, in unfolding process, eliminated " turning round strength " and " dog leg " that steel strand 9 produce, without artificial " turning round strength " and " dog leg " of eliminating steel strand 9 of extra time, thereby reduced the unfolding time, effectively improved unfolding efficiency.
For the ease of installing and using, the steel strand unfolding that above-described embodiment provides is with in anti-twisting equipment, and the end of anti-torsion bar 3 is provided with coupling link 2, and this is convenient to installation and the use of anti-twisting equipment for whole steel strand unfolding.It should be noted that, coupling link 2 in the form of a ring.Certainly, other attaching partss can be set, the embodiment of the present invention is not done this particularly and is limited yet.
Preferably, the steel strand unfolding that above-described embodiment provides is with in anti-twisting equipment, and anti-torsion bar 3 is integral type structure with coupling link 2.Like this, simplified and installed and use.Certainly, the two also can be two independent parts.
Further, the steel strand unfolding anti-twisting equipment that above-described embodiment provides, also comprises the U-shaped link 11 being arranged on coupling link 2.It should be noted that, the open end of U-shaped link 11 and coupling link 2 are fixedly linked, and preferred, the open end of U-shaped link 11 is connected by bolt with coupling link 2.When the number of anti-torsion bar 3 is one, the closed section of this U-shaped link 11 is for being connected with steel strand 9, concrete, and the termination of steel strand 9 is connected with U-shaped link 11 by clamping head of steel strand 10; When the number of anti-torsion bar 3 is two, and while laying respectively at the two ends of supporter 1, a U-shaped link 11 is connected with steel strand 9, and another U-shaped link 11 is connected with tractor equipment 12.
The steel strand unfolding that above-described embodiment provides is with in anti-twisting equipment, and anti-torsion bar 3 can, around self axial rotation, can have multiple implementation.Preferably, anti-torsion bar 3 is rotatedly connected by bearing 6 and supporter 1; Supporter 1 inside has first location division of location bearing 6 one end; Anti-torsion bar 3 has the second location division 301 of location bearing 6 other ends.It should be noted that, supporter 1 does not rotate, and bearing 6 is between the first location division and the second location division 301.Concrete, bearing 6 is plain bearing.Preferential selection the first location division is locating flange, certainly, also can be other locationss, can as long as can realize positioning instant.
For the ease of arranging, the steel strand unfolding that above-described embodiment provides is with in anti-twisting equipment, and the second location division 301 is ellipsoid, and the major diameter of this ellipsoid is greater than the bar portion diameter of anti-torsion bar 3.Certainly, the second location division 301 also can be spheroid, bulk etc.
Preferably, the steel strand unfolding that above-described embodiment provides is with in anti-twisting equipment, supporter 1 has the diameter that the first cavity volume 101 and the diameter of the second cavity volume 102, the first cavity volumes 101 that are connected with the first cavity volume 101 two ends are greater than the second cavity volume 102, and the end face of the first cavity volume 101 forms the first location division; Anti-torsion bar 3 stretches in the second cavity volume 102 and the first cavity volume 101 in successively, and the external diameter of anti-torsion bar 3 is less than the diameter of the second cavity volume 102.It should be noted that, bearing 6 is positioned at the first cavity volume 101, and the second location division 301 of anti-torsion bar 3 is also positioned at the first cavity volume 101.Like this, effectively guaranteed the rotation of anti-torsion bar 3; Meanwhile, the second cavity volume 102 also has certain directional tagging, has avoided anti-torsion bar 3 run-off the straights, has effectively guaranteed the anti-function of turning round.Certainly, can adopt the supporter 1 of other structures to realize the setting of bearing 6, the embodiment of the present invention is not done this particularly and is limited yet.
It should be noted that, the first cavity volume 101 and the second cavity volume 102 are all cylindrical, and certainly, the two also can be other shapes, as long as can complete the setting of bearing 6.
For the ease of using and installing, steel strand that above-described embodiment provides unfolding is with in anti-twisting equipment, and the number of anti-torsion bar 3 is two, and two anti-torsion bars 3 lay respectively at the two ends of supporter 1.Like this, when mounted, one of them anti-torsion bar 3 can be connected with steel strand 9, another anti-torsion bar 3 is connected with tractor equipment 12; When the anti-torsion bar 3 being connected with steel strand 9 is damaged, can select another anti-torsion bar 3 to be connected with steel strand 9, only need to change installation direction, without changing whole steel strand unfolding anti-twisting equipment, also without changing parts, facilitated use, also extended service life to a certain extent simultaneously.
Preferably, the steel strand unfolding that above-described embodiment provides is with in anti-twisting equipment, and supporter 1 inside has the locations of the anti-torsion bar 3 of axial location.Like this, avoid anti-torsion bar 3 in steel strand 9 unfolding processes to move along its axis, thereby avoided affecting its anti-function of turning round; Meanwhile, when anti-torsion bar 3 is provided with coupling link 2, reduced the damage to coupling link 2, extended these steel strand and unfolded the service life with anti-twisting equipment.
The steel strand unfolding that above-described embodiment provides, with in anti-twisting equipment, also can realize the axial location of anti-torsion bar 3 by other means.Preferably, the second location division 301 of two anti-torsion bars 3 is connected by Compress Spring 4, and Compress Spring 4 is positioned at the first cavity volume 101.Like this, by Compress Spring 4, realized the axial location to anti-torsion bar 3.It should be noted that, when anti-torsion bar 3 will move to supporter 1, need to overcome the application force of Compress Spring 4, thus Compress Spring 4 can realize the axially movable restriction of anti-torsion bar 3, and then realized the axial location to anti-torsion bar 3.And even if anti-torsion bar 3 moves to supporter 1, when anti-torsion bar 3 loses after external force, anti-torsion bar 3 meetings homing under the application force of Compress Spring 4, is convenient to use next time.
When anti-torsion bar 3 rotates, drive Compress Spring 4 to rotate, the steel strand unfolding anti-twisting equipment that above-described embodiment provides, also comprises the baffle plate 5 being arranged between the second location division 301 and Compress Spring 4.Like this, by baffle plate 5, avoid anti-torsion bar 3 directly to contact with Compress Spring 4, thereby avoided Compress Spring 4 to rotate, and then avoided Compress Spring 4 to be damaged.Preferably, baffle plate 5 is steel plate.Certainly, also can be other plates, such as stainless steel sheet etc.The embodiment of the present invention does not limit the concrete material of baffle plate 5.It should be noted that, baffle plate 5 is positioned at the first cavity volume 101, preferentially selects the inwall butt of baffle plate 5 and the first cavity volume 101.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a steel strand unfolding anti-twisting equipment, is characterized in that, comprising: supporter (1) and can be around the anti-torsion bar (3) of its axial rotation; Wherein, described anti-torsion bar (3) is arranged at the end of described supporter (1).
2. steel strand unfolding anti-twisting equipment as claimed in claim 1, is characterized in that, the end of described anti-torsion bar (3) is provided with coupling link (2).
3. steel strand unfolding anti-twisting equipment as claimed in claim 2, is characterized in that, described anti-torsion bar (3) is integral type structure with described coupling link (2).
4. steel strand unfolding anti-twisting equipment as claimed in claim 2, is characterized in that, also comprises the U-shaped link (11) being arranged on described coupling link (2).
5. the steel strand unfolding anti-twisting equipment as described in any one in claim 1-4, is characterized in that, described anti-torsion bar (3) is rotatedly connected by bearing (6) and described supporter (1); Described supporter (1) inside has first location division of described bearing (6) one end, location; Described anti-torsion bar (3) has second location division (301) of location described bearing (6) other end.
6. steel strand unfolding anti-twisting equipment as claimed in claim 5, it is characterized in that, described supporter (1) has the first cavity volume (101) and the second cavity volume (102) being connected with described the first cavity volume (101) two ends, the diameter of described the first cavity volume (101) is greater than the diameter of described the second cavity volume (102), and the end face of described the first cavity volume (101) forms described the first location division; Described anti-torsion bar (3) stretches in described the second cavity volume (102) and described the first cavity volume (101) in successively, and the external diameter of described anti-torsion bar (3) is less than the diameter of described the second cavity volume (102).
7. steel strand unfolding anti-twisting equipment as claimed in claim 6, is characterized in that, the number of described anti-torsion bar (3) is two, and two described anti-torsion bars (3) lay respectively at the two ends of described supporter (1).
8. steel strand unfolding anti-twisting equipment as claimed in claim 7, is characterized in that, described supporter (1) inside has the locations of anti-torsion bar (3) described in axial location.
9. steel strand unfolding anti-twisting equipment as claimed in claim 7, is characterized in that, second location division (301) of two described anti-torsion bars (3) is connected by Compress Spring (4), and described Compress Spring (4) is positioned at described the first cavity volume (101).
10. steel strand unfolding anti-twisting equipment as claimed in claim 9, is characterized in that, also comprises the baffle plate (5) being arranged between described the second location division (301) and described Compress Spring (4).
CN201310706042.2A 2013-12-19 2013-12-19 Anti-torsion device for uncoiling steel strand Pending CN103640924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310706042.2A CN103640924A (en) 2013-12-19 2013-12-19 Anti-torsion device for uncoiling steel strand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310706042.2A CN103640924A (en) 2013-12-19 2013-12-19 Anti-torsion device for uncoiling steel strand

Publications (1)

Publication Number Publication Date
CN103640924A true CN103640924A (en) 2014-03-19

Family

ID=50246262

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310706042.2A Pending CN103640924A (en) 2013-12-19 2013-12-19 Anti-torsion device for uncoiling steel strand

Country Status (1)

Country Link
CN (1) CN103640924A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104967060A (en) * 2015-06-16 2015-10-07 国家电网公司 Torque releasing device for carbon fiber composite core wire
CN106348085A (en) * 2016-11-18 2017-01-25 国家电网公司 Safe steel strand twisting and untwisting device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB465686A (en) * 1936-04-09 1937-05-13 Friedrich Steigenberger Improvements in or relating to hooks for chains, straps and the like
GB638498A (en) * 1946-10-04 1950-06-07 Johannes Hitjo Zeeven End-hook
CN2042064U (en) * 1988-10-22 1989-08-02 国家***海洋技术研究所 Revolving ring
GB9213847D0 (en) * 1992-06-30 1992-08-12 Huang Yu Hwei Connector
CN201363358Y (en) * 2008-12-23 2009-12-16 翰联贸易股份有限公司 Hook buckle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB465686A (en) * 1936-04-09 1937-05-13 Friedrich Steigenberger Improvements in or relating to hooks for chains, straps and the like
GB638498A (en) * 1946-10-04 1950-06-07 Johannes Hitjo Zeeven End-hook
CN2042064U (en) * 1988-10-22 1989-08-02 国家***海洋技术研究所 Revolving ring
GB9213847D0 (en) * 1992-06-30 1992-08-12 Huang Yu Hwei Connector
GB2268219A (en) * 1992-06-30 1994-01-05 Huang Yu Hwei Quick release connector
CN201363358Y (en) * 2008-12-23 2009-12-16 翰联贸易股份有限公司 Hook buckle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104967060A (en) * 2015-06-16 2015-10-07 国家电网公司 Torque releasing device for carbon fiber composite core wire
CN106348085A (en) * 2016-11-18 2017-01-25 国家电网公司 Safe steel strand twisting and untwisting device
CN106348085B (en) * 2016-11-18 2019-03-22 国家电网公司 A kind of safe steel strand unfolding device

Similar Documents

Publication Publication Date Title
CN209981998U (en) Telescopic insulating support rod
CN103640924A (en) Anti-torsion device for uncoiling steel strand
CN109797738B (en) Pipe penetrating device for reinforcement cage
CN209516514U (en) A kind of efficient power cable equipment
CN204896978U (en) Formula that contracts in detonator wire reel
CN203624728U (en) Steel wire winding mechanism
CN204917418U (en) Cable pay -off rack suitable for various road surfaces
CN103613005A (en) Hoisting equipment, hoisting movable arm system and assembling method thereof
CN106688711A (en) Telescopic vegetable planting greenhouse
CN107268973B (en) Building scaffold erecting device and erecting method thereof
CN216884522U (en) Simple and easy curing means of fixed bench formwork
CN202903196U (en) Quick upright pole correcting device
CN113333646B (en) Reinforcement cage winding equipment
CN217229778U (en) Wire rope take-up device with stable structure
CN204858419U (en) Transmission line hank knotting in advance twines work platform that is qualified for next round of competitions
CN217850465U (en) Farming big-arch shelter
CN214885889U (en) Archaize and ancient building protection canopy
CN210837480U (en) Primary winding device of current transformer
KR20170017098A (en) Vinyl collection device
CN210168586U (en) Greenhouse film pressing rope ground buckle device suitable for loose soil
CN205222305U (en) Binding thread coiling device of acting as go -between
CN209785513U (en) Bolt ball steel structure bill-board
CN211776379U (en) Building construction safety device
CN207935637U (en) Movable base device of disc granulator
CN218147821U (en) Telescopic general operating platform in cable-stayed bridge cable tower

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20140319

RJ01 Rejection of invention patent application after publication