CN113814926A - Device and method for quickly installing steel wire rope and wedge-shaped joint - Google Patents

Device and method for quickly installing steel wire rope and wedge-shaped joint Download PDF

Info

Publication number
CN113814926A
CN113814926A CN202111092320.0A CN202111092320A CN113814926A CN 113814926 A CN113814926 A CN 113814926A CN 202111092320 A CN202111092320 A CN 202111092320A CN 113814926 A CN113814926 A CN 113814926A
Authority
CN
China
Prior art keywords
wire rope
wedge
steel wire
steel
shaped joint
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
CN202111092320.0A
Other languages
Chinese (zh)
Inventor
毛庆
赵军
刘成涛
管桂生
张义悦
朱鹏达
杨文杰
杜昱初
陈立宽
邵利昆
高宝林
柳明
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.)
Yunnan Copper Co ltd Southwest Copper Branch
Original Assignee
Yunnan Copper Co ltd Southwest Copper Branch
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 Yunnan Copper Co ltd Southwest Copper Branch filed Critical Yunnan Copper Co ltd Southwest Copper Branch
Priority to CN202111092320.0A priority Critical patent/CN113814926A/en
Publication of CN113814926A publication Critical patent/CN113814926A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The invention provides a device and a method for quickly installing a steel wire rope and a wedge-shaped joint, wherein the device comprises: a support plate; the fixed support is arranged at one end of the supporting plate; the tensioning structure is fixedly arranged on the fixed support; the installation department, the installation department set up in the backup pad with the relative one end of fixing support. The device can quickly realize the connection and fastening of the steel wire rope and the wedge-shaped joint, the whole process only needs 15 minutes, the steel wire rope and the wedge can be tensioned and fixed to any required degree without excessive operation of personnel, in addition, in the whole installation process, no safety risk exists, the installation quality is reliable, the steel wire rope cannot be damaged, and the steel wire rope and the wedge-shaped joint are firmly fastened.

Description

Device and method for quickly installing steel wire rope and wedge-shaped joint
Technical Field
The invention relates to the field of copper smelting cranes, in particular to a device and a method for quickly installing a steel wire rope and a wedge-shaped joint.
Background
The replacement of the steel wire rope for the large-scale bridge crane is an important content of daily maintenance of crane equipment, wherein the connection, installation and fastening of the steel wire rope and the wedge-shaped joint on the hook group are particularly critical, and the connection, installation and fastening are related to whether the crane can stably carry out frequent hoisting work. If the connection between the steel wire rope and the wedge-shaped joint is not firm and does not meet the use requirement, serious safety accidents are easily caused in the production process. Therefore, the work is a great danger source for all manufacturers using crane equipment, and the manufacturers pay high attention. When the steel wire rope and the wedge joint are connected and installed, the steel wire rope to be replaced firstly penetrates through the wedge sleeve, then the wedge block is clamped into the wedge sleeve and is straightened and fastened together with the penetrated steel wire rope, so that the wedge block is tightly clamped in the wedge sleeve, and the steel wire is prevented from loosening and sliding in the hoisting process. For a large bridge crane, because the weight of the lifted goods is large, a relatively thick steel wire rope is needed to meet the use requirement. The diameter of the steel wire rope directly determines the replacement difficulty of the steel wire rope, and the larger the diameter is, the higher the hardness is, the more difficult the steel wire rope is to be bent so as to be fastened to a reasonable degree meeting the requirement. The specific problems mainly exist as follows: firstly, after major diameter wire rope passed wedge-shaped joint, wire rope crooked to a certain extent back, because wire rope bending resistance and frictional force between with the wedge cover inner wall cause wire rope and wedge to be difficult to continue the card to go into the fastening, have the big space between wire rope and the wedge, this just can not satisfy operation requirement. A special method and a special tool are needed to tighten the steel wire rope to ensure that the steel wire rope is tightly matched with the wedge tightly and is firmly clamped in the wedge sleeve, and the steel wire rope does not slide in the using process to ensure the stable and safe operation of the crane.
Therefore, the prior art has defects and needs to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a device and a method for quickly installing a steel wire rope and a wedge-shaped joint, and aims to solve the problems that the existing steel wire rope and the wedge-shaped joint are difficult to clamp and fasten and labor-consuming.
The technical scheme adopted by the invention to solve the technical problems is as follows:
an apparatus for quick installation of a wire rope and wedge fitting, comprising:
a support plate;
the fixed support is arranged at one end of the supporting plate;
the tensioning structure is fixedly arranged on the fixed support;
the installation department, the installation department set up in the backup pad with the relative one end of fixing support.
The device for quickly installing the steel wire rope and the wedge-shaped joint is characterized in that the tensioning structure comprises a fixed pulley block, a pull rope and a hook.
The device for quickly installing the steel wire rope and the wedge-shaped joint is characterized in that the installation part is composed of two steel blocks, and the steel blocks are used for fixing the wedge-shaped joint.
The device for quickly installing the steel wire rope and the wedge-shaped joint is characterized in that the steel wire rope penetrates through the wedge-shaped joint and is folded together, and the tail end of the steel wire rope is connected with the hook.
The invention relates to a method for quickly installing a steel wire rope and a wedge-shaped joint based on the device, which comprises the following steps:
the steel wire rope penetrates through the wedge-shaped joint and is folded, and the wedge-shaped joint is clamped into the mounting part;
fixing the folded steel wire ropes by using steel wire rope clamps;
connecting the tail end of the steel wire rope with a hook of a tensioning structure, operating the tensioning structure, and tensioning the steel wire rope to a tensioning state;
fixing the steel wire rope in a tensioning state;
and resetting the tensioning structure and taking out the wedge-shaped joint and the fastened steel wire rope.
The method for quickly installing the steel wire rope and the wedge joint comprises the following specific steps of operating the tensioning structure to tension the steel wire rope to a tensioning state:
and operating the tensioning structure to enable the guy cable of the tensioning structure to rotate around the fixed pulley block and drive the hook to tension the steel wire rope to a tensioning state.
The method for quickly installing the steel wire rope and the wedge joint comprises the following specific steps of:
and fixing the steel wire rope in a tensioning state by using a preset number of steel wire rope clamps according to a standard specified distance.
The method for quickly installing the steel wire rope and the wedge-shaped joint is characterized in that at least two steel wire rope clamps with the preset number are arranged.
The method for quickly installing the steel wire rope and the wedge-shaped joint further comprises the following steps of:
and installing the wedge-shaped joint and the fastened steel wire rope on a hook group.
The device for quickly installing the steel wire rope and the wedge-shaped joint is applied to quickly installing the steel wire rope and the wedge-shaped joint of the large bridge crane.
Has the advantages that: the invention provides a device and a method for quickly installing a steel wire rope and a wedge-shaped joint and application thereof, wherein the device comprises: a support plate; the fixed support is arranged at one end of the supporting plate; the tensioning structure is fixedly arranged on the fixed support; the installation department, the installation department set up in the backup pad with the relative one end of fixing support. The device can quickly realize the connection and fastening of the steel wire rope and the wedge-shaped joint, the whole process only needs 15 minutes, labor is saved, only 2 operators need to operate, and the operators can tension and fix the steel wire rope and the wedge to any required degree only by operating the tensioning structure; the safety and reliability are realized, and no safety risk exists in the whole installation process. The installation quality is reliable, can not produce the damage to wire rope, and wire rope and wedge connect fastening are firm, guarantee that the wire rope in the wedge connect does not produce the condition that becomes flexible and skid in the crane use.
Drawings
Fig. 1 is a top view of a quick install cable and wedge fitting arrangement according to an embodiment of the present invention.
Fig. 2 is a front view of a quick install cable and wedge fitting arrangement according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the use of the quick install cable and wedge connector apparatus provided in the embodiments of the present invention.
Fig. 4 is a flowchart of a method for quickly installing a wire rope and a wedge joint according to an embodiment of the present invention.
The attached drawings are marked as follows: the cable fixing device comprises a supporting plate (10), a fixed support (20), a tensioning structure (30), a fixed pulley block (31), a cable (32), a hook (33), an installation part (40), a wedge-shaped joint (50), a steel wire rope (60) and a steel wire rope clamp (70).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
When the steel wire rope and the wedge joint are connected and installed, the steel wire rope to be replaced firstly penetrates through the wedge sleeve, then the wedge block is clamped into the wedge sleeve and is straightened and fastened together with the penetrated steel wire rope, so that the wedge block is tightly clamped in the wedge sleeve, and the steel wire is prevented from loosening and sliding in the hoisting process. For a large bridge crane, because the weight of the lifted goods is large, a relatively thick steel wire rope is needed to meet the use requirement. The diameter of the steel wire rope directly determines the replacement difficulty of the steel wire rope, and the larger the diameter is, the higher the hardness is, the more difficult the steel wire rope is to be bent so as to be fastened to a reasonable degree meeting the requirement. The specific problems mainly exist as follows: firstly, after major diameter wire rope passed wedge-shaped joint, wire rope crooked to a certain extent back, because wire rope bending resistance and frictional force between with the wedge cover inner wall cause wire rope and wedge to be difficult to continue the card to go into the fastening, have the big space between wire rope and the wedge, this just can not satisfy operation requirement.
Based on this, the present invention provides a device for quick installation of a wire rope and a wedge joint, as shown in fig. 1 and 2, comprising:
a support plate 10;
a fixed support 20, the fixed support 20 being disposed at one end of the support plate 10;
the tensioning structure 30 is fixedly arranged on the fixed support 20;
and the mounting part 40 is arranged at one end of the supporting plate 10 opposite to the fixed support 20.
Specifically, the device for quickly installing the steel wire rope and the wedge joint can be stably fixed on the ground through the supporting plate, and then through the matching of the tensioning structure and the installing part, a pulling force is generated so that the wedge joint and the steel wire rope can be quickly installed together and tensioned. The device can quickly realize the connection and fastening of the steel wire rope and the wedge-shaped joint, the whole process only needs 15 minutes, the steel wire rope and the wedge can be tensioned and fixed to any required degree without excessive operation of personnel, in addition, in the whole installation process, no safety risk exists, the installation quality is reliable, the steel wire rope cannot be damaged, and the steel wire rope and the wedge-shaped joint are firmly fastened.
In some embodiments, the bottom of the supporting plate may be provided with a nylon fixing cup so that the device for quickly installing the wire rope and the wedge joint can be stably fixed to the bottom surface without danger of deviation of the device during installation of the wire rope and the wedge joint, and more preferably, the nylon fixing cup may be replaced with a caster with a support so as to facilitate transportation and fixing of the device.
In some embodiments, the tensioning structure 30 includes a set of crown blocks 31, a cable 32, and a hook 33.
Specifically, the stay cable can drive the hook which is also arranged on the fixed pulley block to move when rotating around the fixed pulley block, the hook can tension the steel wire rope while moving, the stay cable can adopt a specially-made stainless steel wire rope, the breaking tension is high, the flexibility is good, and the tension structure can ensure that the steel wire rope can be tensioned quickly, so that the safety can be ensured, and the labor is saved. Preferably, a motor can be arranged on the fixed pulley block to drive the inhaul cable to move so as to save more manpower and better control the tensioning degree of the steel wire rope.
In some embodiments, the mounting portion is comprised of two steel blocks that are used to secure the wedge joint.
Specifically, the installation department fixed set up in the backup pad comprises two steel blocks, two steel blocks all are special shapes, specifically can design according to the shape of actual wedge-shaped joint, in this embodiment, the shape of two steel blocks is rectangle and trapezoidal. And a certain angle is formed between the two steel blocks so as to ensure that the wedge-shaped joint can be clamped into the mounting part without loosening.
In some embodiments, the steel cord is threaded through the wedge joint and folded together, and the end of the steel cord is connected to the hook.
According to actual needs, the steel wire rope with the preset length is wound around the wedge-shaped joint and is folded together to be connected with the hook of the tensioning structure, so that the steel wire rope can be conveniently, quickly and uniformly tensioned.
The present invention also provides a method for quickly installing a wire rope and a wedge connector, as shown in fig. 3 and 4, which includes the steps of:
s100, a steel wire rope penetrates through a wedge-shaped joint and is folded, and the wedge-shaped joint is clamped into an installation part;
s200, fixing the folded steel wire ropes by using steel wire rope clamps;
s300, connecting the tail end of the steel wire rope with a hook of a tensioning structure, operating the tensioning structure, and tensioning the steel wire rope to a tensioning state;
s400, fixing the steel wire rope in the tensioning state to obtain a fastened steel wire rope;
s500, resetting the tensioning structure and taking out the wedge-shaped joint and the fastened steel wire rope.
Specifically, the whole process of the method only needs 15 minutes, the labor is saved, only 2 operators need to operate, and the operators can tension and fix the steel wire rope and the wedge to any required degree only by operating the tensioning structure; the safety and reliability are realized, and no safety risk exists in the whole installation process. The installation quality is reliable, can not produce the damage to wire rope, and wire rope and wedge connect fastening are firm, guarantee that the wire rope in the wedge connect does not produce the condition that becomes flexible and skid in the crane use.
In some embodiments, the step of operating the tensioning structure to tension the steel cord to the tensioned state is specifically:
and operating the tensioning structure to enable the guy cable of the tensioning structure to rotate around the fixed pulley block and drive the hook to tension the steel wire rope to a tensioning state.
After the tail end of the steel wire rope is connected with the hook, an operator operates the tensioning structure, and the steel wire rope can be tensioned quickly, conveniently and rapidly in a labor-saving mode.
In some embodiments, the step of fixing the steel cable under tension to obtain a fastened steel cable is specifically:
and fixing the steel wire rope in the tensioning state by using a predetermined number of steel wire rope clamps according to a standard specified distance to obtain a fastened steel wire rope.
In some embodiments, the predetermined number of wire rope clamps is at least two, and in this embodiment, the number of wire rope clamps is preferably 3.
Specifically, the steel wire rope in a tensioned state is fixed according to standard distances by using steel wire rope clamps specified in GB1102-74 round strand steel wire rope, when fixing, the clamp base of the steel wire rope clamp is fastened to the working section of the steel wire rope, the U-bolt is fastened to the tail section of the steel wire rope, the number of the steel wire rope clamps depends on the nominal diameter of the steel wire rope, the specific correspondence is as shown in table 1, and the distance between the steel wire rope clamps is preferably 6 to 7 times the diameter of the steel wire rope.
Nominal diameter/mm of steel wire rope Number of wire rope clamps
≤19 3
19~32 4
32~38 5
38~44 6
44~60 7
TABLE 1
In some embodiments, the step of removing the wedge sub and the secured wire rope further comprises:
s600, installing the wedge-shaped joint and the fastened steel wire rope on a hook group.
And the steel wire rope which is installed on the wedge-shaped joint and is tensioned and fixed is taken down together with the wedge-shaped joint and then installed on the lifting hook group, so that the crane can quickly and stably carry out frequent lifting work.
In some specific embodiments, the invention further provides a device for quickly installing the steel wire rope and the wedge-shaped joint, which is mainly used for quickly installing the steel wire rope and the wedge-shaped joint of the large bridge crane.
The present invention is illustrated by the following specific examples.
Example 1
The method and the tool for installing the wedge-shaped joint and the steel rope of the large crane hook set comprise a wedge-shaped joint clamping seat, a wedge-shaped joint, a supporting plate, a tensioning structure fixing support, a steel wire needing to be connected and fastened and a steel wire rope clamp, wherein the diameter of the steel wire rope is 24 mm.
The method for realizing the connection and fastening of the steel wire rope and the wedge-shaped joint comprises the following steps: after the steel wire rope penetrates through the wedge-shaped joint, the steel wire rope is clamped into the wedge-shaped joint clamping seat; clamping and fixing the folded steel wire ropes by using 1 steel wire rope clamp; the tensioning structure is fixedly connected with the tensioning structure support; after the steel wire rope clamp is connected with the tensioning structure, the tensioning structure is operated to gradually straighten and tighten the steel wire rope and keep the steel wire rope in a tensioning state; after the steel wire rope is tensioned, fixing and fastening the steel wire rope one by using 3 steel wire rope clamps according to a standard specified distance; after the steel wire rope clamps are completely fastened, the tensioning structure resets to release the tensioning state of the steel wire rope, the wedge-shaped joint and the fastened steel wire rope are taken out of the wedge-shaped joint clamping seat together, and then the wedge-shaped joint and the fastened steel wire rope are installed on the lifting hook group, and the whole process takes 15 minutes.
In summary, the present invention provides a device, a method and an application for fast installing a steel wire rope and a wedge joint, wherein the device comprises: a support plate; the fixed support is arranged at one end of the supporting plate; the tensioning structure is fixedly arranged on the fixed support; the installation department, the installation department set up in the backup pad with the relative one end of fixing support. The device can quickly realize the connection and fastening of the steel wire rope and the wedge-shaped joint, the whole process only needs 15 minutes, labor is saved, only 2 operators need to operate, and the operators can tension and fix the steel wire rope and the wedge to any required degree only by operating the tensioning structure; the safety and reliability are realized, and no safety risk exists in the whole installation process. The installation quality is reliable, can not produce the damage to wire rope, and wire rope and wedge connect fastening are firm, guarantee that the wire rope in the wedge connect does not produce the condition that becomes flexible and skid in the crane use.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A device for quick installation of wire rope and wedge splices, comprising:
a support plate;
the fixed support is arranged at one end of the supporting plate;
the tensioning structure is fixedly arranged on the fixed support;
the installation department, the installation department set up in the backup pad with the relative one end of fixing support.
2. The device for quick installation of a wire rope and wedge sub of claim 1, wherein the tensioning structure comprises a set of tackle blocks, a pulling cable and a hook.
3. A device for quick installation of a steel cable and wedge fitting according to claim 2, wherein the mounting portion is made up of two steel blocks for securing the wedge fitting.
4. A device for quick installation of a steel cable and chock as claimed in claim 3, in which the cable is passed through the chock and folded together and the end of the cable is connected to the hook.
5. A method for quick installation of steel ropes and wedge joints based on the device according to any one of claims 1-4, characterized in that it comprises the steps of:
the steel wire rope penetrates through the wedge-shaped joint and is folded, and the wedge-shaped joint is clamped into the mounting part;
fixing the folded steel wire ropes by using steel wire rope clamps;
connecting the tail end of the steel wire rope with a hook of a tensioning structure, operating the tensioning structure, and tensioning the steel wire rope to a tensioning state;
fixing the steel wire rope in a tensioning state to obtain a fastened steel wire rope;
and resetting the tensioning structure and taking out the wedge-shaped joint and the fastened steel wire rope.
6. A method of quickly installing a steel rope and wedge sub according to claim 5, wherein the step of operating the tensioning arrangement to tension the steel rope to a tensioned state comprises:
and operating the tensioning structure to enable the guy cable of the tensioning structure to rotate around the fixed pulley block and drive the hook to tension the steel wire rope to a tensioning state.
7. A method of quick installation of a steel rope and wedge sub according to claim 5, wherein the step of securing the steel rope in tension to obtain a secured steel rope comprises:
and fixing the steel wire rope in a tensioning state by using a predetermined number of steel wire rope clamps according to a standard specified distance to obtain a fastened steel wire rope.
8. A method of quickly installing steel ropes and wedges according to claim 7, characterized in that the predetermined number of rope clamps is at least two.
9. A method of quickly installing steel ropes and wedge fittings according to claim 8, characterized in that the number of the rope clamps is 3.
10. The method of quick installation of a wire rope and a wedge sub according to claim 5, further comprising the step of, after removing the wedge sub and the secured wire rope:
and installing the wedge-shaped joint and the fastened steel wire rope on a hook group.
CN202111092320.0A 2021-09-17 2021-09-17 Device and method for quickly installing steel wire rope and wedge-shaped joint Pending CN113814926A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111092320.0A CN113814926A (en) 2021-09-17 2021-09-17 Device and method for quickly installing steel wire rope and wedge-shaped joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111092320.0A CN113814926A (en) 2021-09-17 2021-09-17 Device and method for quickly installing steel wire rope and wedge-shaped joint

Publications (1)

Publication Number Publication Date
CN113814926A true CN113814926A (en) 2021-12-21

Family

ID=78922316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111092320.0A Pending CN113814926A (en) 2021-09-17 2021-09-17 Device and method for quickly installing steel wire rope and wedge-shaped joint

Country Status (1)

Country Link
CN (1) CN113814926A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201801340U (en) * 2010-07-15 2011-04-20 天津起重设备有限公司 Wire rope winding system of hoisting mechanism
CN104476493A (en) * 2014-12-16 2015-04-01 山东钢铁股份有限公司 Steel wire rope clamp installing device
CN205271887U (en) * 2015-12-15 2016-06-01 广东华欣环保科技有限公司 Electric block wire rope fixes voussoir pull -out device
CN109985996A (en) * 2019-03-11 2019-07-09 张家港港务集团有限公司港盛分公司 Steel wire rope loop straight coupling producing device
CN210196354U (en) * 2019-04-29 2020-03-27 马鞍山钢铁股份有限公司 Tightening and fixing device for steel wire rope

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201801340U (en) * 2010-07-15 2011-04-20 天津起重设备有限公司 Wire rope winding system of hoisting mechanism
CN104476493A (en) * 2014-12-16 2015-04-01 山东钢铁股份有限公司 Steel wire rope clamp installing device
CN205271887U (en) * 2015-12-15 2016-06-01 广东华欣环保科技有限公司 Electric block wire rope fixes voussoir pull -out device
CN109985996A (en) * 2019-03-11 2019-07-09 张家港港务集团有限公司港盛分公司 Steel wire rope loop straight coupling producing device
CN210196354U (en) * 2019-04-29 2020-03-27 马鞍山钢铁股份有限公司 Tightening and fixing device for steel wire rope

Similar Documents

Publication Publication Date Title
CN102444086A (en) Cable hanging system for inclined stay cable of bridge and cable hanging method for inclined stay cable of bridge
CN214255445U (en) Cable lifting sling and lifting equipment
CN110668308A (en) Hoisting structure and hoisting method of vertical template
CN113814926A (en) Device and method for quickly installing steel wire rope and wedge-shaped joint
CN112960533A (en) T-beam lifting appliance and lifting method
EP1133818B1 (en) A suspension device having a cable carriage integral therewith
CN117200110A (en) Double-insulator-string soft bus wire hanging method and device
CN116290798A (en) Synchronous tensioning device for cable groups and construction method
US6253631B1 (en) Pumping unit lock down apparatus
CN111946900B (en) Pipe joint installation device and method
CN213575898U (en) Pipe joint installation device
CN111155822A (en) Steel strand installation method for wind driven generator support tower frame prestressed structure
CN215854600U (en) Pipeline lifting hook device
US6129225A (en) Microcell module lifting and positioning system
JP3576338B2 (en) Fixing device for cable end and method of using the same
CN205061378U (en) A device for hoisting cable end of a thread
CN215439440U (en) Electric power transmission line engineering construction is equipped maintenance correcting unit with armful pole
CN214899833U (en) Bridge cable laying auxiliary device
US4364545A (en) Well servicing apparatus
CN220013412U (en) Steel case roof beam location connection structure
JP2850207B2 (en) Hall prefabricated wiring method
CN114084826B (en) Replacing device and replacing method for hoisting steel wire rope
CN217603517U (en) Pipeline hanging device
CN218754569U (en) Pipeline hoisting fixture
CN117673967A (en) Method for laying cable in vertical shaft

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20211221

RJ01 Rejection of invention patent application after publication