CN106696767A - Tool special for overhauling of electrification railway contact net - Google Patents
Tool special for overhauling of electrification railway contact net Download PDFInfo
- Publication number
- CN106696767A CN106696767A CN201611099892.0A CN201611099892A CN106696767A CN 106696767 A CN106696767 A CN 106696767A CN 201611099892 A CN201611099892 A CN 201611099892A CN 106696767 A CN106696767 A CN 106696767A
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- hydraulic
- screw rod
- chuck
- column
- pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
Abstract
The invention discloses a tool special for overhauling of an electrification railway contact net. The tool comprises a hydraulic support-pull rod (100) and a mechanical support-pull rod (200), the hydraulic support-pull rod (100) is arranged on a lifting platform (20), and a hydraulic lead screw turning mechanism is arranged on the connection portion of a hydraulic lead screw (8) and a vertical pillar (2). The mechanical support-pull rod (200) comprises a vertical pillar chuck (12), a multi-hole adjusting rod (13), a mechanical lead screw (14) and a hook ring (15), and a chuck tightening mechanism is arranged in the vertical pillar chuck (12) to enable the mechanical support-pull rod (200) to be clamped on a vertical pillar (23). The tool special for overhauling of the electrification railway contact net is simple and convenient to use; and mounting, dismounting and replacing of a damaged invalid cantilever (21), adjusting and rectifying of the stagger value of a metal guide line (16) and tightening of a force bearing cable (22) and the metal guide line (16) can be conducted at the same time so that working efficiency of overhauling of the electrification railway contact net can be effectively improved.
Description
Technical field
Patent of the present invention is related to a kind of electric railway maintenance repair maintenance instrument, and particularly a kind of electric railway connects
Net-fault special tool for examination and repair.
Background technology
Electric railway has that transport capacity is big, train running speed fast, the consumption energy is few, operation cost is low, work bar
The advantages of part is good, in recent years, with the fast development of the high speed development of China's electric railway, particularly high-speed railway, China
It is No. 1 in the world that electric railway total kilometrage has risen to.The traction power of electric railway is electric locomotive, and locomotive is in itself
Without the energy, the required energy is provided by power supply system of electric traction.Tractive power supply system is primarily referred to as traction substation and contact
Net two large divisions.Electric substation is located near railway, the electric energy that it will send from power plant through high voltage transmission line, is sent to railway overhead
Contact net on.Contact net is the equipment that electric energy is directly conveyed to electric locomotive, along the both sides of railway line, sets up row's branch
Post, is provided with the bracket being suspended in above track above pillar, carrier cable is fixed on bracket, then plain conductor segmentation by many
The vertical dropper of root is suspended on carrier cable, so as to constitute contact net；Contact net can also be counted as the dynamic of electric railway
Arteries and veins, electric locomotive obtains electric energy, tractor-trailer train operation using the pantograph of roof from contact net.
Electric railway has become the basic guarantee of national economy and development of world economy at present, to ensure electrified iron
The safe and reliable operation in road, in view of the characteristics of railroad train runs without interruption, the service work to contact net can only be examined in advance
Criticized and completed in the very short time period, not influence the operation of train, so to the contact net as electric railway artery
Service work is particularly important；The service work of electrification railway contact net to the bracket for failing including being changed, to abrasion
Plain conductor part changed, the stagger of plain conductor is adjusted and corrected；And first have to handle when changing bracket
Carrier cable is applied to the pulling force release of the hundreds of kgfs even thousands of kgfs on bracket, while to ensure plain conductor just
Normal erected state；During removable parts distressed metal wire, because the tension force that plain conductor bears is very big, thousands of kilograms is reached
Power, so needing to be fixed by the two ends of the first plain conductor of comb-along during removable parts plain conductor, makes this section of plain conductor
Suffered tension force release；Stress according to plain conductor and using ruuning situation, it is necessary to be adjusted to the stagger of plain conductor
During the stagger of whole and correction, adjustment and calibration metal wire, it is necessary to apply one to plain conductor perpendicular to plain conductor
One side force, after making the power on the registration clamp that plain conductor acts on lax, then the position for adjusting registration clamp.
But because electric railway circuit mileage is long and in remote field locations, automatic Railway Condition is complicated, railway
Route rises and falls and spirals, while plain conductor stress is complicated, the plain conductor stress of different zones is different, and bracket is changed, metal
The stagger that calibration metal wire was tightened up, adjusted to wire needs to use different instruments, lacks specific purpose tool, and change difficulty
Greatly, inefficiency.For that purpose it is necessary to develop the comprehensive specific purpose tool of a set of electrification railway contact net maintenance, can realize to receiving
The bracket disassembling, assembling and replacing of effect is lost, plain conductor stagger is adjusted and is corrected, carrier cable and wire are tightened up, to improve electrically
Change the operating efficiency of railway contact line maintenance.
The content of the invention
The purpose of the present invention is exactly to design a kind of electrification railway contact net special tool for examination and repair, can be to electric railway
On contact net be damaged failure bracket disassembling, assembling and replacing, to plain conductor stagger adjust and correction, to carrier cable and plain conductor
Tighten up, so as to improve the operating efficiency of electrification railway contact net maintenance.
The technical scheme is that, electrification railway contact net special tool for examination and repair, including hydraulic pressure support pull bar and machinery
Support pull bar, it is characterized in that：The hydraulic pressure support pull bar includes base, column, hydraulic circuit block, control crank, hydraulic screw rod, base
It is placed on Operation Van's hoistable platform, uprights vertical is fixedly connected on base, band reversal valve is fixedly installed in the middle part of column
Hydraulic circuit block, hydraulic operation handle is provided with hydraulic circuit block, being rigidly connected in the upper end of column has hydraulic screw rod,
Hydraulic screw rod is connected to form hydraulic circuit by hydraulic hose with hydraulic circuit block；Set up separately with the connecting portion of column in hydraulic screw rod
It is equipped with hydraulic screw rod indexing mechanism；The end of the expansion link of hydraulic screw rod is provided with top pull connector；
The machinery support pull bar includes pillar chuck, porous adjusting rod, mechanical leading screw, the telescopic end of mechanical leading screw with it is porous
One end of adjusting rod is fixedly connected, and the other end of porous adjusting rod is connected with pillar chuck, and the other end of mechanical leading screw is provided with
The hook ring of connection plain conductor or carrier cable；The chuck for making machinery support pull bar be held on pillar is provided with pillar chuck
Tightening system；
The fixing end of hydraulic screw rod and the structure of column upper end match, and fixing end and the column of hydraulic screw rod can by two
The pin of dismounting is fixedly connected；Column upper end and hydraulic screw rod junction are provided with three pin-and-holes, three pin-and-holes are straight in isosceles
One right-angle side of angle Triangle-Profile, wherein triangle is horizontal direction, and another right-angle side of triangle is perpendicular to ground
And the axis for passing through column；Hydraulic screw rod and column junction be provided with along the axis of hydraulic screw rod two with column on three
The pin-and-hole that individual pin-and-hole aperture matches, arranged with horizontal direction on column respectively two of two pitch-rows of pin-and-hole on hydraulic screw rod
The pitch-row of the pitch-row of pin-and-hole and vertically arranged two pin-and-holes is identical；On described two detachable pins, the hydraulic screw rod
Three pin-and-holes on two pin-and-holes and the column constitute the hydraulic screw rod indexing mechanism；
The porous adjusting rod of machinery support pull bar is connected through a screw thread with pillar chuck, connects in porous adjusting rod and pillar chuck
The one end for connecing is provided with external screw thread；Pillar chuck is made up of two clamping limbs, chuck base plate and tightener, and the two of pillar chuck
The both sides that individual clamping limb is movably articulated in chuck base plate form clamping jaw, and tightener is located in jaw, the both sides point of tightener
Pull bar, the internal thread for being provided centrally with matching with porous regulation boom end external screw thread of tightener, porous company are not movably hinged with
Externally threaded one end of band of extension bar is connected after passing through the central screw rod via of chuck base plate with the internal thread in tightener center, many
Axial back-up ring is provided with the connecting rod of hole, axial back-up ring is held in the side of the adjacent tightener of chuck base plate, in porous connecting rod
The opposite side of upper grip base plate is provided with the axially position step of pillar chuck, makes the pillar chuck can be around the axis of porous connecting rod
Rotate, the pull bar of tightener both sides is movably hinged to form chuck tightening system with the clamping limb of both sides respectively；
The end of the top pull connector is U-type groove, and U-shaped opening end is provided with lock pin；
The fixing end end of hydraulic screw rod is provided with tail end connector, the end of the tail end connector is U-type groove,
U-shaped opening end is provided with lock pin；
Extension bar is provided between hydraulic screw rod and top pull connector；
Also include two bracing wires when the hydraulic pressure support pull bar is for unidirectionally tightening up plain conductor or carrier cable, wherein, one
One end of root bracing wire is connected on the tail end connector of hydraulic screw rod fixing end end, and one end of another bracing wire is connected to column
Lower end, the other end of two bracing wires is connected in the fixing end being fixedly installed on hoistable platform after stretching.
It is an advantage of the invention that：Lack effective tool when solving the problems, such as that electrification railway contact net is overhauled, it is designed
Combination tool can simultaneously meet bracket disassembling, assembling and replacing, plain conductor stagger be adjusted and correction, carrier cable and wire is received
Various demands such as tight, instrument is simple, practical, easy to use, so as to improve the operating efficiency of electrification railway contact net maintenance.
Brief description of the drawings
Fig. 1：Hydraulic pressure supports drawbar structure diagram；
Fig. 2：Machinery support drawbar structure diagram；
Fig. 3：Pull bar is two-way tightens up plain conductor schematic diagram for hydraulic pressure support；
Fig. 4：Hydraulic pressure support pull bar unidirectionally tightens up plain conductor schematic diagram；
Fig. 5：Change bracket front view；
Fig. 6：Change bracket top view；
Fig. 7：Machinery support pull bar adjustment and the stagger schematic diagram of calibration metal wire；
Fig. 8：Hydraulic pressure support pull bar adjustment and calibration metal wire stagger schematic diagram；
In figure：1- bases；2- columns；3- hydraulic circuit blocks；4- reversal valves；5- control cranks；6- pins A；7- pins B；
8- hydraulic screw rods；9- extension bars；10- top pull connectors；11- hydraulic hoses；12- pillar chucks；The porous adjusting rods of 13-；14- machines
Tool leading screw；15- hook rings；16- plain conductors；17- stringing chucks；18- bracing wires；19- fixing ends；20- hoistable platforms；21- brackets；
22- carrier cables；23- pillars；24- droppers；100- hydraulic pressure supports pull bar；200- machinery support pull bars；
Specific embodiment
Electrification railway contact net special tool for examination and repair, including hydraulic pressure support pull bar 100 and machinery support two parts of pull bar 200,
Hydraulic pressure supports pull bar 100 and machinery support pull bar 200 is used cooperatively, and can also separate and be used alone；Hydraulic pressure support pull bar 100 is a set of, machine
Tool support pull bar 200 is a set of or many sets.
As shown in figure 1, the hydraulic pressure support pull bar 100 is by base 1, column 2, hydraulic circuit block 3, control crank 4, hydraulic pressure
Leading screw 8 and top pull connector 10 are constituted, and hinged base 1 is placed on Operation Van's hoistable platform 20, and column 2 is vertically fixedly connected on
On base 1, the hydraulic circuit block 3 with reversal valve 4 is fixedly installed at the middle part of column 2, is provided with hydraulic circuit block 3
Hydraulic operation handle 5, being rigidly connected in the upper end of column 2 has hydraulic screw rod 8, and hydraulic screw rod 8 passes through hydraulic hose 11 and hydraulic pressure
The connection of oil path block 3 forms hydraulic circuit；The coupling part of hydraulic screw rod 8 and column 2 is provided with hydraulic screw rod indexing mechanism, liquid
Silk pressing thick stick indexing mechanism makes hydraulic screw rod 8 consistent with the direction of column 2 or is mutually perpendicular to；In the expansion link of hydraulic screw rod 8
End is threadably secured and is connected with top pull connector 10, and the end of top pull connector 10 is U-type groove, is set at U-shaped opening end
There is lock pin；Tail end connector, structure and the top pull connector of tail end connector are also equipped with the fixing end end of hydraulic screw rod 8
10 structure is identical, and the end of the tail end connector is U-type groove, and U-shaped opening end is provided with lock pin, and tail end connector is used for
Stringing chuck 17, bracing wire 18 or hook ring 15 are connected in the horizontal direction；In order to increase the length of hydraulic screw rod 8, can be in load
The larger place of structure height uses between rope 22 and plain conductor 16, is provided between hydraulic screw rod 8 and top pull connector 10
Extension bar 9, extension bar 9 is threadably secured and the telescopic end and top pull connector 10 of hydraulic screw rod 8 between is connected respectively；
The fixing end of hydraulic screw rod 8 and the structure of the upper end of column 2 match, and fixing end and the column 2 of hydraulic screw rod 8 pass through two
Individual dismountable pin A 6 is fixedly connected with pin B 7；The upper end of column 2 and the junction of hydraulic screw rod 8 are provided with three pins
Hole, three pin-and-holes in isosceles right triangle be distributed, wherein triangle a right-angle side be horizontal direction, triangle it is another
Individual right-angle side is perpendicular to ground and by the axis of column 2；Hydraulic screw rod 8 and the junction of column 2 along hydraulic screw rod 8 axis
Direction be provided with two with column 2 on the pin-and-hole that matches of three pin-and-hole apertures, two pitch-rows of pin-and-hole on hydraulic screw rod 8 point
It is not identical with the pitch-row of two pin-and-holes that horizontal direction on column 2 is arranged and the pitch-row of vertically arranged two pin-and-holes；Described two
Three pin-and-holes on two pin-and-holes and the column 2 on individual detachable pin, the hydraulic screw rod 8 constitute the hydraulic screw rod
Indexing mechanism；The pin-and-hole of the horizontal direction arrangement on the pin-and-hole and column 2 on hydraulic screw rod 8 matches to form one group
Pin-and-hole, another pin-and-hole on hydraulic screw rod 8 matches to form another group of pin-and-hole with another pin-and-hole horizontally disposed on column 2,
Two dismountable pins (pin A 6 and pin B 7) insert the water on two pin-and-holes on hydraulic screw rod 8 and column 2 respectively
Square match respectively to two pin-and-holes of arrangement in two groups of pin-and-holes of formation, as shown in figure 1, hydraulic screw rod 8 and column 2 mutually hang down
Directly, hydraulic screw rod 8 is horizontally oriented；
The position of hydraulic screw rod 8 can be changed using hydraulic screw rod indexing mechanism, as shown in hydraulic screw rod 8 from Fig. 1
The position vertical with column 2 be converted to shown in Fig. 5 with column 2 be same axial location when, first the detachable Hes of pin A 6
Pin B 7 pulls down (pin B 7 can not also be removed), then hydraulic screw rod 8 is rotated up 90 degree, makes the axle of hydraulic screw rod 8
Line overlaps with the axis of column 2, and vertically arranged two pin-and-holes distinguish phase with column 2 to make two pin-and-holes on hydraulic screw rod 8
Pairing forms two groups of pin-and-holes, then two dismountable pin A 6 and pin B 7 is inserted respectively two pins on hydraulic screw rod 8
Two pin-and-holes of the two vertical direction arrangement on hole and column 2 match respectively formation two groups of pin-and-holes in, hydraulic screw rod 8 with it is vertical
, in same axial direction, hydraulic screw rod 8 is perpendicular to ground for post 2.
The main parts size of hydraulic pressure support pull bar 100 is made of high-strength aluminum alloy, with lightweight, High power output,
The characteristics of easy to operate, safe and reliable, convenient power-saving.
As shown in Fig. 2 the machinery support pull bar 200 is by pillar chuck 12, porous adjusting rod 13, mechanical leading screw 14 and hooks
Ring 15 is constituted, and the telescopic end of mechanical leading screw 15 is fixed with one end of porous adjusting rod 13 by way of welding or being threadedly coupled
Connection, the other end of porous adjusting rod 13 is connected with pillar chuck 12 by screw thread and back-up ring, and the other end of mechanical leading screw 14 leads to
The mode for crossing bolt or threaded connection is fixed to be rigidly connected and has hook ring 15, shape and plain conductor 16 and the carrier cable of hook ring 15
22 shape of cross section matches, and hook ring 15 is held on plain conductor 16 or carrier cable 22 when using, to plain conductor 16 or
Person's carrier cable 22 carries out side direction horizontal support and draws；Machinery support pull bar 200 is with hydraulic pressure support pull bar 100 with the use of adjustment plain conductor 16
Stagger when, it is also possible to hook ring 15 be connected to hydraulic pressure support pull bar 100 the end of hydraulic screw rod 8 tail end connector on, hook
Ring 15 is hooked in the ring that the U-type groove on tail end connector is constituted with lock pin；Porous adjusting rod 13 is used to adjust machinery support pull bar 200
Length, pillar chuck 12 is held on pillar 23, and the jaw shapes of pillar chuck 12 are adapted with the cross sectional shape of pillar 23,
Machinery support pull bar 200 is set to be held on pillar 23 by the chuck tightening system being arranged in pillar chuck 12；In mechanical leading screw
Manual action bars is provided with 15, the telescopic end of mechanical leading screw 15 stretches during rotation manual action bars, by mechanical leading screw 15
It is flexible make machinery support pull bar 200 length change, so as to plain conductor 16 or carrier cable 22 are carried out side direction horizontal support draw；
The porous adjusting rod 13 of machinery support pull bar 200 is connected through a screw thread with pillar chuck 12, in porous adjusting rod 13 and
One end of the connection of pillar chuck 12 is provided with external screw thread, and pillar chuck 12 can rotate around porous connecting rod 13；Pillar is pressed from both sides
First 12 are made up of two clamping limbs, chuck base plate and tightener, and two clamping limbs of pillar chuck 12 are movably articulated in chuck
The both sides of base plate form clamping jaw, and tightener is located in jaw, and the both sides of tightener are movably hinged with pull bar, tightener respectively
The internal thread hole for being provided centrally with matching with the end external screw thread of porous adjusting rod 13, the band externally threaded of porous connecting rod 13
Hold and be connected with the internal thread in tightener medium pore through after the screw rod via in chuck base plate center, set in porous connecting rod 13
Axial back-up ring is equipped with, axial back-up ring is held in the side of the adjacent tightener of chuck base plate, in the upper grip base plate of porous connecting rod 13
Opposite side be provided with the axially position step of pillar chuck 12, pillar chuck 12 is done week around the axis of porous connecting rod 13
To rotation, chuck base plate is rotated without axially moving in company with pillar chuck 12, the pull bar of tightener both sides respectively with both sides
Clamping limb is movably hinged to form chuck tightening system；Rotation post chuck 12, pillar chuck 12 revolves around the axis of porous connecting rod
Turn, tightener is moved axially by screw thread on porous adjusting rod 13, driven the pull bar of both sides to move so that pillar chuck
The clamping limb of 12 both sides is tightened up or opened；Jaw shapes and pillar 23 that the clamping limb of the both sides of pillar chuck 12 is formed after tightening up
Profile match, swinging strut chuck 12 makes tightener continue to tighten up, so that pillar chuck is firmly held on pillar 23.
In machinery support pull bar 200, except mechanical leading screw 15 uses Fine Steel Casting iron, remaining parts is closed using high intensity aluminium
Gold is made, and gross weight is light.Machinery support pull bar 200 can both coordinate hydraulic pressure support pull bar 100 to use, it is also possible to be used alone.Machinery
The support major function of pull bar 200 is top pull carrier cable 22 and plain conductor 16 from horizontal direction.
The operating process of multifunctional application embodiment is realized with reference to hydraulic pressure support pull bar 100 and machinery support pull bar 200, it is right
This patent is described further.
First, dismantle or replacing bracket：
As shown in Figure 5, Figure 6, dismantling or change bracket can support pull bar 100 and two machinery supports using a hydraulic pressure simultaneously
Pull bar 200 is operated as composite tool, sets up the pillar 23 of row's I-steel making, pillar along the line beside railway line
23 are provided with the bracket 21 being suspended in above track above, and bracket 21 is reinforced by a brace, and carrier cable 22 is fixed
On bracket 21, then plain conductor 16 is segmented it is suspended on carrier cable 22, it is necessary to change wrist by many vertical droppers 24
Arm 21, it is necessary to first the pulling force that carrier cable 22 is carried on bracket 21 is discharged, and ensures that carrier cable 22 and plain conductor 16 are faced
When support.
The operating procedure of dismounting or replacing bracket is as follows：
(1) railcar operation hoistable platform 20 is placed in immediately below the bracket 21 to be changed, by Operation Van's hoistable platform 20
It is raised up to certain altitude；
(2) hydraulic screw rod 8 of hydraulic pressure support pull bar 100 is adjusted to the coaxial line of column 2, i.e. hydraulic screw rod 8 perpendicular to the ground, will
The hydraulic screw rod 8 of hydraulic pressure support pull bar 100 is holded up and is placed in immediately below the plain conductor 16 for wanting jack-up or carrier cable 22；
(3) carrier cable 22 is held with the hook ring 15 of wherein one machinery support pull bar 200 one end, the pillar chuck of the other end
12 sides for clamping pillar 23；The hook ring 15 for supportting the one end of pull bar 200 with another machinery holds plain conductor 16, other end branch
Clamping sides of the post chuck 12 pillar 23；The manual lever on mechanical leading screw 15 is rotated, makes the telescopic end of mechanical leading screw 15
Flexible, flexible by mechanical leading screw 15 makes the length change of machinery support pull bar 200, so as to plain conductor 16 or carrier cable
22 carry out side direction horizontal support draws；(this step to railway straight line section can without)
(4) control crank 5 on shake hydraulic pressure support pull bar 100 stretches out hydraulic screw rod 8, the top pull of the end of hydraulic screw rod 8
Connector 10 withstands carrier cable 22, and continuing shake control crank 5 makes bracket 21 not stress (unloading)；If the fortune of hydraulic screw rod 8
Dynamic direction is not required direction, then adjusting reversal valve 4 makes hydraulic circuit commutate, and changes the direction of motion of hydraulic screw rod 8；(note
The position shored should not influence to dismantle bracket 21)
(5) dismantle or replacing bracket 21.
2nd, plain conductor or carrier cable are tightened up：
Being illustrated in figure 3 hydraulic pressure support pull bar 100 is used for the two-way schematic diagram for tightening up plain conductor 16, is illustrated in figure 4 liquid
Pressure support pull bar 100 unidirectionally tightens up the schematic diagram of plain conductor 16.Plain conductor 16 or carrier cable 21 are tightened up, it is necessary to be supportted using hydraulic pressure
Pull bar 100 and stringing chuck 17, one end of stringing chuck 17 are clamped on plain conductor 16 or carrier cable 21, stringing chuck 17
The other end be connected on the top pull connector 10 of hydraulic screw rod 8 or tail end connector, hydraulic screw rod 8 shrink shorten so as to draw
Dynamic plain conductor 16 or carrier cable 21 are tightened up.
Tighten up the operating method of carrier cable 22 or plain conductor 16：
(1) operation hoistable platform 20 is raised up to appropriate height, adjusts the installation site of pin A6 and pin B7, make hydraulic pressure
Leading screw 8 is in horizontality and fixes；
(2) if as shown in figure 3, two-way tighten up plain conductor 16, comb-along is installed in the appropriate location of plain conductor 16
First 17, first by the expansion link of hydraulic screw rod 8, length is stretched out on demand, and two stringing chucks 17 are connected into hydraulic screw rod
On the top pull connector 10 of 8 telescopic end ends and the tail end connector of fixing end end；Stringing chuck 17 is connected by connecting line
On ring of the U-type groove with lock pin composition on top pull connector 10 and tail end connector；
If as shown in figure 4, plain conductor 16 is tightened up in a direction, pull bar should be supportted in hydraulic pressure in stress opposite direction in advance
Two bracing wires 18 are connected on 100, wherein, one end of a bracing wire 18 is connected to the tail end connection of the fixing end end of hydraulic screw rod 8
On device, one end of another bracing wire 18 is connected on the draw ring of the lower end of column 2, and the other end of two bracing wires 18 is connected to after stretching
It is fixedly installed in the fixing end 19 on hoistable platform 20；
(3) adjust reversal valve 4, shake control crank 5 makes the contraction of hydraulic screw rod 8, the length of hydraulic screw rod 8 shorten so as to
Tense plain conductor 16；
Be in Fig. 3 and Fig. 4 it is two-way and it is unidirectional tighten up plain conductor 16, use above-mentioned same method, hydraulic pressure support pull bar 100
Can also be two-way and unidirectional tighten up carrier cable 22.
3rd, the stagger of plain conductor is adjusted or is corrected：
Machinery support pull bar adjustment plain conductor stagger schematic diagram is illustrated in figure 7, pillar 23 is provided with is suspended in rail above
Bracket 21 above road, is reinforced by a brace to bracket 21, and carrier cable 22 is fixed on bracket 21, plain conductor
16 segmentations are suspended on carrier cable 22 by many vertical droppers 24, because plain conductor 16 and carrier cable 21 are except from height
Spend outside the pulling force in direction, also by lateral force or thrust, particularly in the section for having camber, carrier cable 21 and plain conductor
16 side forces born are increasingly complex, during line maintenance, the stagger of plain conductor 16 be adjusted according to service condition or
Correction., it is necessary to the side force born on plain conductor 16 is relaxed during the stagger of adjustment and calibration metal wire, then adjust gold
Belong to the locator wire clamp position of wire 16.
Adjusted using machinery support pull bar 200 or the operating method of the stagger of calibration metal wire 16 is as follows：
(1) edge of a wing of pillar 23 is first clamped with the pillar chuck 12 of machinery support pull bar 200 one end, then with the hook ring of the other end
15 catch on plain conductor 16；
(2) locator wire clamp is unclamped.
(3) manual lever of mechanical leading screw 15 is rotated, the telescopic end of mechanical leading screw 15 stretches during rotation manual action bars,
Flexible by mechanical leading screw 15 makes the length change of machinery support pull bar 200, and plain conductor 16 is drawn or pushed up to appropriate position；
(4) screwed in place device wire clamp, rotates backward action bars, and the machinery support unloading of pull bar 200 is lax；
Fig. 8 show using hydraulic pressure support pull bar 100 adjust or calibration metal wire 16 stagger schematic diagram；
Using hydraulic pressure support pull bar 100 adjust or calibration metal wire 16 stagger operating method it is as follows：
(1) operation hoistable platform 20 is risen into appropriate height, holds up hydraulic pressure support pull bar 100 and be adjusted to hydraulic screw rod 8
Horizontality；
(2) hydraulic pressure support pull bar 100 is positioned over the side of plain conductor 16 and by the top pull connector 10 on the top of hydraulic screw rod 8
It is connected with plain conductor 10, plain conductor 16 is held in the U-type groove of the end of top pull connector 10, plugs lock pin and fix；
(3) opposite direction in stress installs machinery support pull bar 100, and the pillar chuck 12 of machinery support pull bar 100 is held in
On pillar 23, the hook ring 15 of machinery support pull bar 100 is connected to U-shaped on the tail end connector of the fixing end end of hydraulic screw rod 8
On the ring that groove is formed with lock pin, machinery support pull bar 100 is adjusted by appropriate size by mechanical leading screw 15；
(4) lay down locator wire clamp and shake control crank 5, hydraulic screw rod 8 is stretched, so as to plain conductor 16 be retracted
Or ejection, stagger is reached specified value；
(5) screwed in place device wire clamp, operation reversal valve 4 is commutated, and shakes control crank 5, and hydraulic pressure support pull bar 100 and machinery are supportted
The unloading of pull bar 200 is lax.
Claims (7)
1. electrification railway contact net special tool for examination and repair, including hydraulic pressure supports pull bar (100) and machinery support pull bar (200), and it is special
Levying is：
The hydraulic pressure supports pull bar (100) includes base (1), column (2), hydraulic circuit block (3), control crank (5), hydraulic screw rod
(8), base (1) is placed on Operation Van's hoistable platform (20), and column (2) is vertically fixedly connected on base (1), in column (2)
Middle part be fixedly installed the hydraulic circuit block (3) with reversal valve (4), be provided with hydraulic operation on hydraulic circuit block (3)
Handle (5), being rigidly connected in the upper end of column (2) has hydraulic screw rod (8), and hydraulic screw rod (8) is by hydraulic hose (11) and liquid
Pressure oil path block (3) connection forms hydraulic circuit；The coupling part of hydraulic screw rod (8) and column (2) is provided with hydraulic screw rod to turn
Position mechanism；The end of the expansion link of hydraulic screw rod (8) is provided with top pull connector (10)；
Machinery support pull bar (200) includes pillar chuck (12), porous adjusting rod (13), mechanical leading screw (14), mechanical leading screw
(14) telescopic end is fixedly connected with the one end of porous adjusting rod (13), the other end and the pillar chuck of porous adjusting rod (13)
(12) connect, the other end of mechanical leading screw (14) is provided with the hook ring (15) of connection plain conductor (16) or carrier cable (22)；
Being provided with pillar chuck (12) makes machinery support pull bar (200) be held in the chuck tightening system on pillar (23).
2. electrification railway contact net special tool for examination and repair according to claim 1, it is characterized in that：Hydraulic screw rod (8)
The structure of fixing end and column (2) upper end is adapted, and the fixing end of hydraulic screw rod (8) is dismountable by two with column (2)
Pin is fixedly connected；Column (2) upper end and hydraulic screw rod (8) junction are provided with three pin-and-holes, three pin-and-holes are straight in isosceles
One right-angle side of angle Triangle-Profile, wherein triangle is horizontal direction, and another right-angle side of triangle is perpendicular to ground
And by the axis of column (2)；The axis of hydraulic screw rod (8) is provided with two in hydraulic screw rod (8) and column (2) junction
The pin-and-hole matched with three pin-and-hole apertures on column (2), two pitch-rows of pin-and-hole on hydraulic screw rod (8) respectively with column
(2) pitch-row of two pin-and-holes of horizontal direction arrangement and the pitch-row of vertically arranged two pin-and-holes are identical on；It is described two removable
Unload three pin-and-holes on two pin-and-holes and the column (2) on pin, the hydraulic screw rod (8) and constitute the hydraulic screw rod turn
Position mechanism.
3. electrification railway contact net special tool for examination and repair according to claim 1, it is characterized in that：Machinery support pull bar
(200) the porous adjusting rod (13) on is connected through a screw thread with pillar chuck (12), in porous adjusting rod (13) and pillar chuck
(12) one end of connection is provided with external screw thread；Pillar chuck (12) is made up of two clamping limbs, chuck base plate and tightener, branch
The both sides that two clamping limbs of post chuck (12) are movably articulated in chuck base plate form clamping jaw, and tightener is located in jaw,
The both sides of tightener are movably hinged with pull bar respectively, and tightener is provided centrally with and porous adjusting rod (13) end external screw thread phase
The internal thread matched somebody with somebody, externally threaded one end of band of porous connecting rod (13) through after the screw rod via in chuck base plate center with tightener
The internal thread connection in center, is provided with axial back-up ring in porous connecting rod (13), and it is adjacent that axial back-up ring is held in chuck base plate
The side of tightener, the axially position platform of pillar chuck (12) is provided with the opposite side of porous connecting rod (13) upper grip base plate
Rank, makes pillar chuck (12) to be rotated around the axis of porous connecting rod (13), and the pull bar of tightener both sides is respectively with two
The clamping limb of side is movably hinged to form chuck tightening system.
4. electrification railway contact net special tool for examination and repair according to claim 1, it is characterized in that：The top pull connector
(10) end is U-type groove, and U-shaped opening end is provided with lock pin.
5. electrification railway contact net special tool for examination and repair according to claim 1, it is characterized in that：In hydraulic screw rod (8)
Fixing end end be provided with tail end connector, the end of the tail end connector is U-type groove, and U-shaped opening end is provided with lock
Pin.
6. electrification railway contact net special tool for examination and repair according to claim 1, it is characterized in that：In hydraulic screw rod (8)
Extension bar (9) is provided between top pull connector (10).
7. electrification railway contact net special tool for examination and repair according to claim 1, it is characterized in that：The hydraulic pressure supports pull bar
(100) two bracing wires (18) are also included when for unidirectionally tightening up plain conductor (16) or carrier cable (22), wherein, a bracing wire
(18) one end is connected on the tail end connector of hydraulic screw rod (8) fixing end end, another one end connection of bracing wire (18)
In the lower end of column (2), the other end of two bracing wires (18) is connected to after stretching and is fixedly installed on consolidating on hoistable platform (20)
On fixed end (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099892.0A CN106696767B (en) | 2016-12-03 | 2016-12-03 | Electrification railway contact net special tool for examination and repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099892.0A CN106696767B (en) | 2016-12-03 | 2016-12-03 | Electrification railway contact net special tool for examination and repair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106696767A true CN106696767A (en) | 2017-05-24 |
| CN106696767B CN106696767B (en) | 2018-10-19 |
Family
ID=58934569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611099892.0A Expired - Fee Related CN106696767B (en) | 2016-12-03 | 2016-12-03 | Electrification railway contact net special tool for examination and repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106696767B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757969A (en) * | 2021-02-02 | 2021-05-07 | 中国神华能源股份有限公司神朔铁路分公司 | Contact line level adjustment tool and method |
| CN116476705A (en) * | 2023-06-19 | 2023-07-25 | 太原中车时代轨道工程机械有限公司 | Intelligent maintenance operation vehicle and maintenance method for contact network |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206217681U (en) * | 2016-12-03 | 2017-06-06 | 王晓安 | Electrification railway contact net special tool for examination and repair |
-
2016
- 2016-12-03 CN CN201611099892.0A patent/CN106696767B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206217681U (en) * | 2016-12-03 | 2017-06-06 | 王晓安 | Electrification railway contact net special tool for examination and repair |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757969A (en) * | 2021-02-02 | 2021-05-07 | 中国神华能源股份有限公司神朔铁路分公司 | Contact line level adjustment tool and method |
| CN112757969B (en) * | 2021-02-02 | 2022-11-11 | 中国神华能源股份有限公司神朔铁路分公司 | Contact line horizontal adjusting tool |
| CN116476705A (en) * | 2023-06-19 | 2023-07-25 | 太原中车时代轨道工程机械有限公司 | Intelligent maintenance operation vehicle and maintenance method for contact network |
| CN116476705B (en) * | 2023-06-19 | 2023-08-18 | 太原中车时代轨道工程机械有限公司 | Intelligent maintenance operation vehicle and maintenance method for contact network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106696767B (en) | 2018-10-19 |
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