CN206405572U - A kind of penstock welds earthing or grounding means - Google Patents

A kind of penstock welds earthing or grounding means Download PDF

Info

Publication number
CN206405572U
CN206405572U CN201621420876.2U CN201621420876U CN206405572U CN 206405572 U CN206405572 U CN 206405572U CN 201621420876 U CN201621420876 U CN 201621420876U CN 206405572 U CN206405572 U CN 206405572U
Authority
CN
China
Prior art keywords
fixed
steel pipe
ground wire
copper sheathing
penstock
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
CN201621420876.2U
Other languages
Chinese (zh)
Inventor
杨联东
屈刚
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.)
Sinohydro Bureau 3 Co Ltd
Original Assignee
Sinohydro Bureau 3 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 Sinohydro Bureau 3 Co Ltd filed Critical Sinohydro Bureau 3 Co Ltd
Priority to CN201621420876.2U priority Critical patent/CN206405572U/en
Application granted granted Critical
Publication of CN206405572U publication Critical patent/CN206405572U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

Earthing or grounding means is welded the utility model discloses a kind of penstock, including center fixed cover and Telescopic Fixed mechanism, the quantity at least two of Telescopic Fixed mechanism, Telescopic Fixed mechanism includes fixed jacket pipe, copper sheathing fixes steel pipe, steel pipe in adjustable, top link and semicircle copper sheathing, copper sheathing fixes steel pipe and is fixedly connected on fixed jacket pipe outer end, steel pipe the inner is stretched into fixed jacket pipe and locked by clamping screw and fixed jacket pipe in adjustable, semicircle copper sheathing is arranged on copper sheathing and fixed in steel pipe, semicircle copper sheathing is pressed in adjustable on the outer wall of steel pipe by copper sheathing adjustment bolt, top link is fixed on steel pipe outer end in adjustable, fixed jacket pipe the inner is fixedly connected with center fixed cover outer wall, ground wire steady pin is connected with the fixed cover of center, ground wire steady pin is provided with ground wire locking nut.The utility model can ensure that electric welding machine reliable ground, and simple to operate, and economic input is small, can effectively improve construction efficiency, it is ensured that Site Welding quality.

Description

A kind of penstock welds earthing or grounding means
Technical field
The utility model belongs to penstock manufacture technology field, and in particular to a kind of penstock welds earthing or grounding means.
Background technology
Existing penstock is when roll welding is welded, it is necessary to which electric welding machine is grounded.In actual welding, electric welding machine ground connection is general Using two ways:A kind of is direct steel wheel using roll welding chassis, and ground connection arrangement is carried out with supporting track etc., still, this The mode of kind can cause certain arc damage to the bearing and motor of roll welding chassis, and certain influence is caused to normal construction;It is another It is to prevent ground wire from causing wound to the bearing and motor of roll welding chassis in order to ensure penstock is stable in roll welding, and in welding Evil, majority is using the parcel insulated with material such as nylon and rubber on steel wheel, otherwise such ground wire increases electric installation in addition, or Person is fixed directly on penstock, allows ground wire to be rotated together around penstock;But, it is too small to there is conductive resistance, or Person's ground wire is oversize, and loss is larger, all less desirable.
Therefore, design a kind of more economical, time saving and energy saving, safe and reliable penstock welding earthing or grounding means be industry urgently Realistic problem to be solved.
Utility model content
The purpose of this utility model is to overcome a kind of above-mentioned not enough weld there is provided penstock of the prior art to be grounded Device, the device can ensure that electric welding machine reliable ground when carrying out penstock welding, and simple to operate, economic input It is small, construction efficiency can be effectively improved, it is ensured that Site Welding quality.
To achieve the above object, the technical solution adopted in the utility model is:A kind of penstock welds earthing or grounding means, its It is characterised by:Including center fixed cover and the Telescopic Fixed mechanism being fixed on the fixed cover outer wall of center, the Telescopic Fixed machine The quantity at least two of structure, the Telescopic Fixed mechanism include fixed jacket pipe, copper sheathing fix steel pipe, it is adjustable in steel pipe, Top link and semicircle copper sheathing, the copper sheathing fix the outer end that steel pipe is fixedly connected on fixed jacket pipe, described adjustable interior The inner of steel pipe is stretched into fixed jacket pipe and locked by clamping screw and fixed jacket pipe, and the semicircle copper sheathing is arranged on copper In the fixed steel pipe of set, the semicircle copper sheathing is pressed in adjustable on the outer wall of steel pipe by copper sheathing adjustment bolt, the top Connector is fixed on the outer end of steel pipe in adjustable, and the inner of the fixed jacket pipe is fixed with the outer wall of center fixed cover to be connected Connect, be connected with the center fixed cover on ground wire steady pin, the ground wire steady pin and be provided with ground wire locking nut.
A kind of above-mentioned penstock welding earthing or grounding means, it is characterised in that:The top link is connected by top It is bolted to the outer end of steel pipe in adjustable.
A kind of above-mentioned penstock welding earthing or grounding means, it is characterised in that:First is provided with the ground wire steady pin Electric welding machine ground wire line ball copper nose and the second electric welding machine ground wire line ball copper nose.
A kind of above-mentioned penstock welding earthing or grounding means, it is characterised in that:The quantity of the Telescopic Fixed mechanism is two Individual, two Telescopic Fixed mechanisms are symmetrical arranged.
A kind of above-mentioned penstock welding earthing or grounding means, it is characterised in that:The copper sheathing of each Telescopic Fixed mechanism Two semicircle copper sheathings are provided with fixed steel pipe, two semicircle copper sheathings are symmetrical arranged.
A kind of above-mentioned penstock welding earthing or grounding means, it is characterised in that:The ground wire steady pin and center fixed cover Threaded connection, the ground wire locking nut is threadedly coupled with ground wire steady pin.
The utility model has advantages below compared with prior art:
1st, the utility model is simple in construction, and novel in design reasonable, assembling and disassembling is convenient.
2nd, the utility model has multiple adjustment mechanisms, can be according to diameter when carrying out penstock submerged arc welding The present apparatus is adjusted, the mash welder ground connection needs of different-diameter, different thicknesss of slab are met, and ground connection is reliable, easy to operate, can be effective Ensure Site Welding quality, improve efficiency of construction, it is economical and practical.
3rd, the utility model is using being fixedly connected, and copper material etc. is as primary ground conductor, and conductive effect is good, ground connection peace It is complete reliable, be conducive to stablizing electric welding machine welding ground connection, it is ensured that welding quality.
4th, the utility model can meet two electric welding machine welding procedures simultaneously, with efficiency of construction it is high the characteristics of.
5th, the utility model cost of implementation is low, and using effect is good, is easy to promote the use of.
In summary, the utility model is simple in construction, and novel in design rationally functional reliability is high, and using effect is good, can be with Site Welding quality is improved, cost is reduced, is particularly suitable for penstock welding occasion, is easy to promote the use of.
Below by drawings and examples, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is use state figure of the present utility model.
Fig. 2 is the installation relation schematic diagram of the utility model and penstock.
Description of reference numerals:
1-center fixed cover;2-ground wire steady pin;3-ground wire locking nut;
4-fixed jacket pipe;5-clamping screw;6-it can adjust interior steel pipe;
7-copper sheathing fixes steel pipe;8-copper sheathing adjustment bolt;9-semicircle copper sheathing;
10-top connecting bolt;11-top link;Lock brass bolt in 12-top;
13-the first electric welding machine ground wire line ball copper nose;14-the second electric welding machine ground wire line ball copper nose;
15-the first electric welding machine ground wire;16-the second electric welding machine ground wire;17-penstock;
18-the first electric welding machine;19-the second electric welding machine;20-Telescopic Fixed mechanism.
Embodiment
As shown in Fig. 2 the utility model includes center fixed cover 1 and is fixed on flexible solid on the outer wall of center fixed cover 1 Determine mechanism 20, the quantity at least two of the Telescopic Fixed mechanism 20, the Telescopic Fixed mechanism 20 includes fixed jacket pipe 4th, copper sheathing fixes steel pipe 7, adjustable interior steel pipe 6, top link 11 and semicircle copper sheathing 9, and the copper sheathing, which is fixed steel pipe 7 and fixed, to be connected The outer end of fixed jacket pipe 4 is connected on, the inner of the adjustable interior steel pipe 6 is stretched into fixed jacket pipe 4 and by clamping screw 5 Locked with fixed jacket pipe 4, the semicircle copper sheathing 9 is arranged on copper sheathing and fixed in steel pipe 7, and the semicircle copper sheathing 9 is adjusted by copper sheathing Whole bolt 8 is pressed in adjustable on the outer wall of steel pipe 6, and the top link 11 is fixed on the outer of adjustable interior steel pipe 6 End, the inner of the fixed jacket pipe 4 is fixedly connected with the outer wall of center fixed cover 1, is connected with ground on the center fixed cover 1 Ground wire locking nut 3 is provided with line steady pin 2, the ground wire steady pin 2.
In use, lock brass bolt 12 by top is fixed on the upper of penstock 17 by top link 11, will pressure Power steel-pipe welding earthing or grounding means is integrally attached on penstock.The utility model penstock welds earthing or grounding means by setting Top link 11, it is adjustable in steel pipe 6, semicircle copper sheathing 9, copper sheathing fix steel pipe 7, copper sheathing adjustment bolt 8, fixed jacket pipe 4, Electric welding machine ground wire and penstock 17 are connected (as shown in Figure 1) by center fixed cover 1 and ground wire steady pin 2, so that effectively Avoid that mash welder ground wire rotates together around penstock, conductive resistance is too small, ground wire is oversize and larger ask is lost Topic.
Because adjustable interior steel pipe 6 can enter line slip in fixed jacket pipe 4, therefore it ought need to adjust Telescopic Fixed mechanism During 20 length, clamping screw 5 is unclamped;When length adjustment is proper states, by clamping screw 5 by the He of fixed jacket pipe 4 Steel pipe 6 is locked in adjustable, to meet the welding demand of different-diameter penstock.Semicircle is adjusted by copper sheathing adjustment bolt 8 The contact gap of copper sheathing 9 and adjustable interior steel pipe 6, plays increase welding grounding resistance, it is ensured that ground connection is reliable.
As shown in Fig. 2 the top link 11 is fixed on the outer of adjustable interior steel pipe 6 by top connecting bolt 10 End, top connecting bolt 10 can adjust the contact with penstock inside and outside wall, and play locking purpose.
As shown in Fig. 2 being provided with the first electric welding machine ground wire line ball copper nose 13 and the second electric welding machine on the ground wire steady pin 2 Ground wire line ball copper nose 14, when actual use, if two electric welding machines, i.e. the first electric welding machine 18 and the second electric welding machine 19, then divides The first electric welding machine ground wire 15 of the first electric welding machine 18 is not connected with the first electric welding machine ground wire line ball copper nose 13, by the second electric welding machine 19 the second electric welding machine ground wire 16 is connected with the second electric welding machine ground wire line ball copper nose 14, and is locked by ground wire locking nut 3.
In actual fabrication, the quantity of Telescopic Fixed mechanism 20 can set fair amount according to the actual requirements, it is preferred that institute The quantity for stating Telescopic Fixed mechanism 20 is two, and two Telescopic Fixed mechanisms 20 are symmetrical arranged.
In the present embodiment, the copper sheathing of each Telescopic Fixed mechanism 20, which is fixed in steel pipe 7, is provided with two semicircle copper sheathings 9, two semicircle copper sheathings 9 are symmetrical arranged, to ensure good conductive.
In the present embodiment, the ground wire steady pin 2 is threadedly coupled with center fixed cover 1, the ground wire locking nut 3 and ground Line steady pin 2 is threadedly coupled, easy to connect.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every Any simple modification, change and the equivalent structure transformation made according to the utility model technical spirit to above example, still Belong in the protection domain of technical solutions of the utility model.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every Any simple modification, change and the equivalent structure transformation made according to the utility model technical spirit to above example, still Belong in the protection domain of technical solutions of the utility model.

Claims (6)

1. a kind of penstock welds earthing or grounding means, it is characterised in that:Including center fixed cover (1) and it is fixed on center fixed cover (1) the Telescopic Fixed mechanism (20) on outer wall, the quantity at least two of the Telescopic Fixed mechanism (20) is described Telescopic Fixed Mechanism (20) includes fixed jacket pipe (4), copper sheathing and fixes steel pipe (7), adjustable interior steel pipe (6), top link (11) and half Circle copper sheathing (9), the copper sheathing fixes the outer end that steel pipe (7) is fixedly connected on fixed jacket pipe (4), the adjustable interior steel pipe (6) the inner is stretched into fixed jacket pipe (4) and locked by clamping screw (5) and fixed jacket pipe (4), the semicircle copper sheathing (9) it is arranged on copper sheathing to fix in steel pipe (7), the semicircle copper sheathing (9) is pressed on steel in adjustable by copper sheathing adjustment bolt (8) On the outer wall for managing (6), the top link (11) is fixed on the outer end of steel pipe (6) in adjustable, the fixed jacket pipe (4) The inner be fixedly connected with the outer wall of center fixed cover (1), be connected with ground wire steady pin (2), institute on the center fixed cover (1) State and ground wire locking nut (3) is provided with ground wire steady pin (2).
2. weld earthing or grounding means according to a kind of penstock described in claim 1, it is characterised in that:The top link (11) outer end of steel pipe (6) in adjustable is fixed on by top connecting bolt (10).
3. weld earthing or grounding means according to a kind of penstock described in claim 1 or 2, it is characterised in that:The ground wire is fixed The first electric welding machine ground wire line ball copper nose (13) and the second electric welding machine ground wire line ball copper nose (14) are provided with pin (2).
4. weld earthing or grounding means according to a kind of penstock described in claim 1 or 2, it is characterised in that:It is described Telescopic Fixed The quantity of mechanism (20) is two, and two Telescopic Fixed mechanisms (20) are symmetrical arranged.
5. weld earthing or grounding means according to a kind of penstock described in claim 1 or 2, it is characterised in that:It is each described flexible The copper sheathing of fixed mechanism (20) is fixed and two semicircle copper sheathings (9) is provided with steel pipe (7), and two semicircle copper sheathings (9) are symmetrical Set.
6. weld earthing or grounding means according to a kind of penstock described in claim 1 or 2, it is characterised in that:The ground wire is fixed Pin (2) is threadedly coupled with center fixed cover (1), and the ground wire locking nut (3) is threadedly coupled with ground wire steady pin (2).
CN201621420876.2U 2016-12-23 2016-12-23 A kind of penstock welds earthing or grounding means Active CN206405572U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621420876.2U CN206405572U (en) 2016-12-23 2016-12-23 A kind of penstock welds earthing or grounding means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621420876.2U CN206405572U (en) 2016-12-23 2016-12-23 A kind of penstock welds earthing or grounding means

Publications (1)

Publication Number Publication Date
CN206405572U true CN206405572U (en) 2017-08-15

Family

ID=59551421

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621420876.2U Active CN206405572U (en) 2016-12-23 2016-12-23 A kind of penstock welds earthing or grounding means

Country Status (1)

Country Link
CN (1) CN206405572U (en)

Similar Documents

Publication Publication Date Title
CN206405572U (en) A kind of penstock welds earthing or grounding means
CN107449791A (en) A kind of the cannot-harm-detection device and its method of carbon fibre composite wire plug
CN103219103A (en) Extra-high-voltage direct current binodal composite insulator and pressure welding method of hardware fittings and core rods thereof
CN103036076A (en) Device and method for reducing impulse grounding impedance value
CN206379484U (en) A kind of earthing pole structure
CN205004458U (en) Union melt welding ground joint
CN209625964U (en) A kind of transformer connection mechanism
CN207009841U (en) A kind of pin type rf coaxial connector
CN208706570U (en) A kind of fuse switch
CN106583882A (en) Portable welding machine
CN102522639B (en) High-voltage discharging rod
CN206574865U (en) A kind of cable fault handles earthing or grounding means
CN206640241U (en) A kind of rod-type no-welding borehole cable crane span structure
CN209282420U (en) A kind of electrode ground connection fixing seat that protection stability is good
CN208861747U (en) A kind of potentiometer with switch
CN208421001U (en) A kind of phaseisolated bus structure of contact terminal
CN219553335U (en) Carbon fiber equalizing cover for test
CN202840351U (en) Solid insulation sleeve
CN207474700U (en) A kind of rotating device coupled with grounding rod
CN201113104Y (en) Intermediate connector
CN205911226U (en) Use vacuum circuit breaker's on 40. 5kV post a galvanic circle
CN203192551U (en) Ultra-high voltage DC two-section composite insulator
CN207542020U (en) Column support type arrester
CN204668853U (en) The charged bind bobbin winoler of plain conductor
CN219202862U (en) Turnover shielding net station

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant