CN202260340U - Power distribution network overhead line insulation tower head hoisting tool - Google Patents

Power distribution network overhead line insulation tower head hoisting tool Download PDF

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Publication number
CN202260340U
CN202260340U CN2011203912843U CN201120391284U CN202260340U CN 202260340 U CN202260340 U CN 202260340U CN 2011203912843 U CN2011203912843 U CN 2011203912843U CN 201120391284 U CN201120391284 U CN 201120391284U CN 202260340 U CN202260340 U CN 202260340U
Authority
CN
China
Prior art keywords
pulley
mounting pipe
fixed
installation pipe
crossbeam
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.)
Expired - Lifetime
Application number
CN2011203912843U
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Chinese (zh)
Inventor
李明贵
陈立
邓雨荣
朱时阳
郑斌
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.)
Electric Power Research Institute of Guangxi Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Guangxi Power Grid 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 Electric Power Research Institute of Guangxi Power Grid Co Ltd filed Critical Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority to CN2011203912843U priority Critical patent/CN202260340U/en
Application granted granted Critical
Publication of CN202260340U publication Critical patent/CN202260340U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a power distribution network overhead line insulation tower head hoisting tool, which comprises a lower installation pipe, an upper installation pipe and a pulley bracket. The pulley bracket is welded to the upper end of the upper installation pipe, fixed pulleys for hoisting are arranged on the pulley bracket, and two hoops for being connected with an electric pole in tightly holding mode are arranged on the lower installation pipe. A connecting sleeve is welded to the upper end of the lower installation pipe, the lower end of the upper installation pipe is connected with the upper end of the lower installation pipe through the connecting sleeve, and a triangular stable structure is respectively formed between a beam portion of the lower installation pipe and a vertical long pipe portion of the lower installation pipe, between the upper installation pipe and the lower installation pipe and between the pulley bracket and the upper installation pipe through reinforced supports. The two fixed pulleys and a movable pulley are matched to form a pulley block structure, thereby leading the hoisting process to be more convenient and more labor-saving.

Description

Electric distribution network overhead wire insulation tower head lifting device
Technical field
The utility model relates to a kind of lifting device that is used for electric distribution network overhead wire, especially a kind of electric distribution network overhead wire insulation tower head lifting device.
Background technology
Through insulation tower head is installed on distribution line, can improve the insulation level of electric distribution network overhead wire, effectively avoid accidents such as line tripping, insulator arc-over and insulated conductor broken string take place under thunder and lightning induction voltage, improve the circuit reliability of operation.Though insulation tower head is simple in structure, weight is heavier, needs special-purpose instrument could it be installed on the electric pole.If it is local preferably that electric pole is built up in level land, transportation condition, can use the big machinery automation equipment to install; If electric pole is built up in ungetable places such as mountain area, farmland, the big machinery automation equipment is lack scope for their abilities.For this reason, the lifting device that needs a kind of simple in structure, convenient and reliable supplementary insulation tower head to install.
The utility model content
In order to overcome the deficiency of prior art, it is a kind of safe and reliable, simple in structure that the utility model provides, the electric distribution network overhead wire insulation tower head lifting device of being convenient to operate.
The technical scheme that the utility model solves the problems of the technologies described above is:
Electric distribution network overhead wire insulation tower head lifting device is mainly by descending mounting pipe, last mounting pipe, pulley yoke, pulley to form.
The structure of each parts:
Following mounting pipe is made up of vertical short tube, crossbeam and vertical long tube, and an end of crossbeam is connected with vertical short tube, and the other end of crossbeam is connected with vertical long tube; Last mounting pipe is a VERTICAL TUBE; Pulley yoke is for manage anyhow.
The annexation of each parts
1. go up the mounting pipe upper end and be connected, be provided with the tube connector that is connected first fixed pulley with last mounting pipe junction at pulley yoke with an end of pulley yoke; Between pulley yoke and last mounting pipe, be provided with reinforced support; The other end that rope is fixed on pulley yoke is installed;
2. descend the vertical short tube of mounting pipe to be connected with last mounting pipe lower end through joint sleeve; Be provided with down bracing frame between the vertical long tube of following mounting pipe and the crossbeam, be provided with upper support frame between last mounting pipe and the crossbeam;
3. will descend the vertical long tube of mounting pipe to be fixedly connected on the electric pole with two anchor ears, the position of anchor ear is separately positioned on down the below, end of bracing frame and the crossbeam below of following mounting pipe;
4. lift used pulley block structure and form by rope, two fixed pulleys and a movable pulley coupling are installed, first fixed pulley is fixed on the tube connector; Second fixed pulley is fixed on the bottom of electric pole; Installing restricts is fixed on the termination of pulley yoke; Rope is installed to be passed movable pulley, first fixed pulley, second fixed pulley in proper order and is fixed on and installs on the rope control panel.4) the used pulley block structure of lifting forms by rope, two fixed pulleys and a movable pulley coupling are installed, and first fixed pulley is fixed on the tube connector; Second fixed pulley is fixed on the bottom of electric pole; The end that rope is installed is fixed on the termination of pulley yoke; Install and be fixed on the outer installation rope control panel of this device after the other end of restricting passes movable pulley, first fixed pulley, second fixed pulley in proper order.
Compared with prior art, the utlity model has following advantage:
1) the utility model is simple in structure, and lifting device is easy to dismounting and assembling, and easy to use, cost of transportation is low.
2) will descend mounting pipe and electric pole to hold tightly through two anchor ears are set, and can avoid the use of in the process mounting pipe and on electric pole, skid.
3) fastening between pulley yoke and the last mounting pipe through reinforced support, form the triangle rock-steady structure, make the mechanical stress of pulley yoke tolerance strengthen, hoisting process is safer, reliable.
4) assembly pulley is formed by two fixed pulleys and a movable pulley coupling, makes installation process both convenient, laborsaving again.
Description of drawings
Fig. 1 is the front view of the total mounting structure sketch map of the utility model.
Fig. 2 is the left view of the total mounting structure sketch map of the utility model.
Fig. 3 is the anchor ear structural representation of the utility model.
Fig. 4 is the hoisting process sketch map of the utility model.
Among the figure: mounting pipe, 5 pulley yokes, 6 reinforced supports, 7 times bracing frames, 8 upper support frames, 9 connecting plates, 10 tube connectors, 11 electric poles, 12 bolts, 13 nuts, 14 first fixed pulleys, 15 movable pulleys, 16 second fixed pulleys, 17 are installed rope, 18 crossbeams, 19 vertical short tubes on 1 vertical long tube, 2 anchor ears, 3 joint sleeves, 4.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
The structure of the utility model is as shown in Figure 1, and lifting device comprises: following mounting pipe, by vertical short tube 19, crossbeam 18 and vertically long tube 1 constitute, an end of crossbeam 18 is connected with vertical short tube 19, the other end of crossbeam 18 is connected with vertical long tube 1; Last mounting pipe 4 is a VERTICAL TUBE; Pulley yoke 5 is for manage anyhow; Last mounting pipe 4 upper ends are provided with pulley yoke 5.
The vertical long tube 1 of following mounting pipe hugs on electric pole 11 through two anchor ears 2; Following mounting pipe and last mounting pipe 4 realize assembling through joint sleeve 3.Joint sleeve 3 directly is welded on down vertical short tube 19 upper ends of mounting pipe, and 3 pairs of the lower end of last mounting pipe 4 and joint sleeves should have connecting hole, and both connect through bolt; The crossbeam 18 of following mounting pipe passes through bracing frame 7 welding down with vertical long tube 1, constitutes the triangle rock-steady structure; The upper and lower end of upper support frame 8 through connecting plate 9 respectively with last mounting pipe 4, crossbeam 18 assemblings of mounting pipe are connected down, also constitute the triangle rock-steady structure, guarantee the fastness of different piece connection.
Be welded on the pulley yoke 5 with the end of welding manner with reinforced support 6, the other end is welded on the mounting pipe 4, constitutes the triangle robust structure through reinforced support 6 between pulley yoke 5 and the last mounting pipe 4, to increase the bearing capacity of pulley yoke 5.Tube connector 10 is welded on the reinforced support 6, and first fixed pulley 14 is fixed in tube connector 10 lower ends, and second fixed pulley 16 is fixed in the bottom of electric pole 11, and movable pulley 15 is fixedly connected with weight.
The anchor ear structure of the utility model is as shown in Figure 3, and the little arc size of anchor ear 2 is in strict accordance with the external diameter size processing of mounting pipe 1 down, and orthodrome is anchored on the electric pole through bolt 12 and nut 13.
The hoisting process of the utility model is as shown in Figure 4, rope 17 1 ends is installed is passed the right-hand member somewhere that is articulated in pulley yoke 5 behind movable pulley 15, first fixed pulley 14 and second fixed pulley 16 in proper order.Adopt first fixed pulley 14 and second fixed pulley 16 and the assembly pulley hoisting structure that movable pulley 15 couplings form, make the electric pole two ends stressed relatively more balanced, hoisting process safety, convenience, laborsaving.

Claims (1)

1. electric distribution network overhead wire insulation tower head lifting device is characterized in that, mainly by descending mounting pipe, last mounting pipe, pulley yoke, pulley to form;
The structure of each parts:
Following mounting pipe is made up of vertical short tube, crossbeam and vertical long tube, and an end of crossbeam is connected with vertical short tube, and the other end of crossbeam is connected with vertical long tube; Last mounting pipe is a VERTICAL TUBE; Pulley yoke is for manage anyhow;
The annexation of each parts
1) goes up the mounting pipe upper end and be connected, be provided with the tube connector that is connected first fixed pulley with last mounting pipe junction at pulley yoke with an end of pulley yoke; Between pulley yoke and last mounting pipe, be provided with reinforced support; The other end that rope is fixed on pulley yoke is installed;
2) the vertical short tube of mounting pipe is connected with last mounting pipe lower end through joint sleeve down; Be provided with down bracing frame between the vertical long tube of following mounting pipe and the crossbeam, be provided with upper support frame between last mounting pipe and the crossbeam;
3) will descend the vertical long tube of mounting pipe to be fixedly connected on the electric pole with two anchor ears, the position of anchor ear is separately positioned on down the below, end of bracing frame and the crossbeam below of following mounting pipe;
4) the used pulley block structure of lifting forms by rope, two fixed pulleys and a movable pulley coupling are installed, and first fixed pulley is fixed on the tube connector; Second fixed pulley is fixed on the bottom of electric pole; The end that rope is installed is fixed on the termination of pulley yoke; Install and be fixed on the outer installation rope control panel of this device after the other end of restricting passes movable pulley, first fixed pulley, second fixed pulley in proper order.
CN2011203912843U 2011-10-14 2011-10-14 Power distribution network overhead line insulation tower head hoisting tool Expired - Lifetime CN202260340U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203912843U CN202260340U (en) 2011-10-14 2011-10-14 Power distribution network overhead line insulation tower head hoisting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203912843U CN202260340U (en) 2011-10-14 2011-10-14 Power distribution network overhead line insulation tower head hoisting tool

Publications (1)

Publication Number Publication Date
CN202260340U true CN202260340U (en) 2012-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203912843U Expired - Lifetime CN202260340U (en) 2011-10-14 2011-10-14 Power distribution network overhead line insulation tower head hoisting tool

Country Status (1)

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CN (1) CN202260340U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103178463A (en) * 2013-04-19 2013-06-26 安徽省电力公司蚌埠供电公司 Hoisting device for electric equipment of transformer substation
CN104150393A (en) * 2014-07-25 2014-11-19 国网河南省电力公司南阳供电公司 Micro power electric equipment rotating and hoisting device
CN103138204B (en) * 2013-03-07 2016-03-02 宁夏电力公司吴忠供电局 Strain cross arm is changed and is used multi-functional installing rack
CN111017775A (en) * 2019-12-16 2020-04-17 国网山东省电力公司东营供电公司 Portable crane suitable for mounting of bench type equipment and operation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103138204B (en) * 2013-03-07 2016-03-02 宁夏电力公司吴忠供电局 Strain cross arm is changed and is used multi-functional installing rack
CN103178463A (en) * 2013-04-19 2013-06-26 安徽省电力公司蚌埠供电公司 Hoisting device for electric equipment of transformer substation
CN104150393A (en) * 2014-07-25 2014-11-19 国网河南省电力公司南阳供电公司 Micro power electric equipment rotating and hoisting device
CN111017775A (en) * 2019-12-16 2020-04-17 国网山东省电力公司东营供电公司 Portable crane suitable for mounting of bench type equipment and operation method thereof

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Granted publication date: 20120530