CN204476243U - A kind of track-catching device for electrification railway contact net tool car ladder - Google Patents

A kind of track-catching device for electrification railway contact net tool car ladder Download PDF

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Publication number
CN204476243U
CN204476243U CN201520047583.3U CN201520047583U CN204476243U CN 204476243 U CN204476243 U CN 204476243U CN 201520047583 U CN201520047583 U CN 201520047583U CN 204476243 U CN204476243 U CN 204476243U
Authority
CN
China
Prior art keywords
handgrip
rail
track
catching device
proximity switch
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 - Fee Related
Application number
CN201520047583.3U
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Chinese (zh)
Inventor
丁家聪
吴天星
候文玉
黄荣星
李昌胜
赵宁
熊伟国
王昌熙
安坤
王开元
高元水
余学林
严亚明
戴铧
周帮福
刘伯涛
苑福强
张永伟
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.)
Hefei Power Supply Section Of Shanghai Railway Administration
Original Assignee
Hefei Power Supply Section Of Shanghai Railway Administration
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 Hefei Power Supply Section Of Shanghai Railway Administration filed Critical Hefei Power Supply Section Of Shanghai Railway Administration
Priority to CN201520047583.3U priority Critical patent/CN204476243U/en
Application granted granted Critical
Publication of CN204476243U publication Critical patent/CN204476243U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of track-catching device for electrification railway contact net tool car ladder, compared with prior art solves the defect of car ladder poor stability.The utility model comprises the track-catching device being fixedly mounted on left longitudinal beam (11) below and supports (75), track-catching device support (75) is installed with and grabs rail reducer (72), the output shaft of grabbing rail motor (71) is arranged on grabs on rail reducer (72), the output shaft of grabbing rail reducer (72) is provided with handgrip (74) and when handgrip (74) is in longitudinal state, handgrip (74) and rail (77) interlock.The utility model prevents car ladder to be in operation the situation occurring toppling, and adds the stability that car ladder uses, have structure simple, use portable, that safety is high feature.

Description

A kind of track-catching device for electrification railway contact net tool car ladder
Technical field
The utility model relates to electrification railway contact net tool car ladder technical field, specifically a kind of track-catching device for electrification railway contact net tool car ladder.
Background technology
Along with developing rapidly of China Express Railway, the laying of electric railway gets more and more, and the maintenance of contact net important in electric railway also faces huge challenge, its requirement has higher operating efficiency and safety factor in daily contact net maintenance process., in use there is following problem in existing electrification railway contact net upkeep operation car ladder: 1, car ladder itself is higher, and it easily occurs in motion process toppling in left and right; 2, when car ladder moves to the bend place of railway, the side of rail is higher than opposite side, and now maintainer works extremely dangerous on working platform; 3, when car ladder static staff carry out operation safeguard time, the operation of big-movement can cause car ladder to rock, car ladder use extremely dangerous.How to develop a kind of device that can increase car ladder stability and become the technical problem being badly in need of solving.
Utility model content
The purpose of this utility model is the defect in order to solve car ladder poor stability in prior art, provides a kind of track-catching device for electrification railway contact net tool car ladder to solve the problems referred to above.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of track-catching device for electrification railway contact net tool car ladder, comprise working platform, detachable ladder and tower wagon chassis, described working platform is arranged on the top of detachable ladder, detachable ladder is arranged on tower wagon chassis, tower wagon chassis comprises left longitudinal beam, right longitudinal beam and three transverse beams, three transverse beams are laterally arranged on left longitudinal beam and right longitudinal beam, also comprise the track-catching device be fixedly mounted on below left longitudinal beam to support, track-catching device is installed with on supporting and grabs rail reducer, the output shaft of grabbing rail motor is arranged on grabs on rail reducer, the output shaft of grabbing rail reducer is provided with handgrip and when handgrip is longitudinal state, handgrip and rail interlock.
Also comprise proximity switch A and proximity switch B, the control signal output line of proximity switch A and proximity switch B all with grab rail motor and be connected, the described output shaft of grabbing rail reducer is provided with handgrip axle, and described handgrip is " L " shape, and the middle part of handgrip is arranged on handgrip axle; Described proximity switch A be arranged on left longitudinal beam sidepiece and when handgrip is longitudinal state and rail interlocks, handgrip is positioned at above proximity switch A, described proximity switch B is arranged on track-catching device and supports upper and when handgrip is transverse state, handgrip is positioned at above proximity switch B.
beneficial effect
A kind of track-catching device for electrification railway contact net tool car ladder of the present utility model, compared with prior art prevent the terraced situation occurring toppling that is in operation of car, add the stability that car ladder uses, have structure simple, use portable, that safety is high feature.
Accompanying drawing explanation
Fig. 1 is the structure left view of car ladder;
Fig. 2 is the structure elevation of car ladder;
Fig. 3 is structure elevation of the present utility model;
Fig. 4 is the upward view of the actual use of the utility model;
Fig. 5 is the structure upward view of car ladder drive unit;
Fig. 6 is the structure elevation of car ladder driven pulley support;
Wherein, 1-car ladder chassis, the left longitudinal beam of 11-, the short longitudinal beam of 12-, 13-transverse beam, the right longitudinal beam of 14-, the detachable ladder of 2-, 21-ladder, 22-threaded fasteners, 23-oblique drawbar, 3-working platform, 4-electric control box, 41-links up with, 5-drive unit, 51-mair motor, 52-main reducing gear, 53-splined shaft, 54-connecting axle, 55-driving shaft, 56-bearing support, 57-main reducing gear supports, 6-road wheel, 7-track-catching device, 71-grabs rail motor, 72-grabs rail reducer, 73-handgrip axle, 74-handgrip, 75-track-catching device supports, 76-proximity switch A, 77-rail, 78-proximity switch B, 9-driven pulley support, 91-support upper plate, 92-fixed axis support, 93-fixed axis, 94-bearing, 95-sleeve, 96-locknut.
Detailed description of the invention
For making to have a better understanding and awareness architectural feature of the present utility model and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:
As depicted in figs. 1 and 2, for the car ladder of electrification railway contact net maintenance, comprise working platform 3, detachable ladder 2 and tower wagon chassis 1, working platform 3 is arranged on the top of detachable ladder 2, four columns of working platform 3 are provided with four through holes from high to low, be connected with ladder 2 by through hole, the height of working platform 3 can be regulated by four through holes.Detachable ladder 2 is arranged on tower wagon chassis 1, and working platform 3, detachable ladder 2 and tower wagon chassis 1 three form car ladder jointly.Wherein, as shown in Figure 4, tower wagon chassis 1 is combined to install by left longitudinal beam 11, right longitudinal beam 14 and three transverse beams 13 and formed, and three transverse beams 13 are laterally arranged on two longitudinal beams 11, form " saying " font.Short longitudinal beam 12 to be vertically mounted in two adjacent transverse beams 13 and between two longitudinal beams 11, and short longitudinal beam 12 is for installing main reducing gear 52, and it can be arranged in any two adjacent transverse beams 13, for drive unit 5 provides fixed support.
As shown in Figure 1, Figure 3 and Figure 4, occur toppling in order to avoid car ladder is in operation, below the left longitudinal beam 11 on tower wagon chassis 1, track-catching device 7 can be installed, according to actual needs, track-catching device 7 can install 2, to be namely arranged on respectively below left longitudinal beam 11 and below right longitudinal beam 14.A kind of track-catching device 7 for electrification railway contact net tool car ladder described in the utility model, comprise the track-catching device be fixedly mounted on below left vertical frame 11 and support 75, track-catching device support 75 is installed with and grabs rail reducer 72, formation is grabbed rail reducer 72 and is indulged fixing below frame 11 on a left side.The output shaft of grabbing rail motor 71 is arranged on grabs on rail reducer 72, grabs the power transmission of rail motor 71 to grabbing rail reducer 72.The output shaft of grabbing rail reducer 72 being provided with handgrip 74, driving handgrip 74 to move by grabbing rail motor 71, when grabbing rail motor 71 and driving handgrip 74 to move in longitudinal state, handgrip 74 and rail 77 interlock, and are formed and grab rail locking; When grabbing rail motor 71 and driving handgrip 74 to move in transverse state, handgrip 74 and rail 77 are thrown off, and remove and grab rail locking.
In order to prevent, the range of movement of handgrip 74 is excessive to conflict mutually with rail 77 or left vertical frame 11, can limit, also can be undertaken spacing by proximity switch A76 and proximity switch B78 to the range of movement of handgrip 74 by grabbing rail reducer 72.The control signal output line of proximity switch A76 and proximity switch B78 all with grab rail motor 71 and be connected, then can control by proximity switch A76 and proximity switch B78 the switch grabbing rail motor 71.The output shaft of grabbing rail reducer 72 is installed handgrip axle 73, handgrip axle 73 installs handgrip 74 again, handgrip 74 is designed to " L " shape, the middle part of handgrip 74 will on handgrip axle 73.Grabbing the installation between rail reducer 72 and handgrip 74 by handgrip axle 73, handgrip 74 can staggered in the horizontal direction with proximity switch A76 and proximity switch B78.Proximity switch A76 be arranged on left longitudinal beam 11 sidepiece and when handgrip 74 in longitudinal state and rail 77 interlocks time, handgrip 74 is positioned at above proximity switch A76, namely when handgrip 74 to carry out in longitudinal state rail 77 lock time, its handgrip 74 other end runs into the proximity switch A76 of top, grabs rail motor 71 and quits work.Proximity switch B78 is arranged on track-catching device and supports on 75 and when handgrip 74 is transverse state, handgrip 74 is positioned at above proximity switch B78, namely when handgrip 74 in transverse state and rail 77 unlocks time, handgrip 74 other end runs into the proximity switch B78 of left, grabs rail motor 71 and quits work equally.
As shown in Fig. 2, Fig. 4 and Fig. 5, in order to realize the Electronic control of car ladder, on tower wagon chassis 1, drive unit 5 can also be installed.Drive unit 5 comprises mair motor 51 and road wheel 6, and wherein the quantity of road wheel 6 is 4, identical with wheel count of the prior art.The output shaft of mair motor 51 is arranged on main reducing gear 52, and mair motor 51 is slowed down by main reducing gear 52, adjusted torque, and forms the power synchronous transmission of horizontal both direction.Main reducing gear 52 supports 57 by main reducing gear and is fixedly mounted on short longitudinal beam 12, and short longitudinal beam 12 defines the fixed installation to reducer 52 and mair motor 51.Main reducing gear 52 and two longitudinal beams 11 are separately installed with drive wheel assemblies, the quantity of drive wheel assemblies is 2, namely main reducing gear 52 and the longitudinal beam 11 on the left side are provided with drive wheel assemblies, main reducing gear 52 and the longitudinal beam 11 on the right are provided with drive wheel assemblies too, form the control of left and right two road wheels 6 on mair motor 51 pairs of same level lines.As shown in Figure 4, drive wheel assemblies comprises the splined shaft 12 be arranged on main reducing gear 52 output shaft, splined shaft 12 can be directly installed on the output shaft bearing of main reducing gear 52, the other end of splined shaft 12 is connected with driving shaft 55 by connecting axle 54, can be driven the rotation of driving shaft 55 by the rotation of splined shaft 12.Longitudinal beam 11 is installed with bearing support 56, driving shaft 55 is arranged on bearing support 56, and driving shaft 55 is spacing on longitudinal beam 11 by bearing support 56.End winding support driving shaft 55 is positioned at outside tower wagon chassis 1 is provided with road wheel 6, and namely the other end of driving shaft 55 is provided with road wheel 6, can be driven the rotation of road wheel 6 by the rotation of driving shaft 55.
Two road wheel 6(driving wheels that what mair motor 51 controlled is on main reducing gear 52 same level line) motion, by the principle of prior art, two longitudinal beams 11 are all installed with driven pulley support 9 with the reciprocal other end of bearing support 56.Driven pulley support 9 is for the installation of driven pulley, and its quantity is 2, corresponding with two driving wheels respectively.Driven pulley support 9 is all provided with road wheel 6(driven pulley), be formed in the supporting movement of four road wheels 6 on tower wagon chassis 1.Driven pulley support 9 can use multiple mounting structure of the prior art, in order to ensure the dependability of driven pulley support 9, as shown in Figure 6, driven pulley support 9 comprises the fixed axis support 92 be fixedly mounted on longitudinal beam 11, in order to increase the firmness of fixed axis support 92, can also on longitudinal beam 11 fixed axis support 92 mirror image face on mounting bracket upper plate 91, support upper plate 91, longitudinal beam 11 and fixed axis support 92 three are fixed by bolt-through.Fixed axis support 92 is provided with fixed axis 93, fixed axis 93 maintains static.Road wheel 6 is arranged on fixed axis 93, is provided with bearing 94 between road wheel 6 and fixed axis 93, and the quantity of bearing 94 is preferably 2, and road wheel 6 is rotated on fixed axis 93 by bearing 94.Fixed axis 93 is positioned at road wheel 6 outside and sleeve 95 and locknut 96 are installed successively, thus prevent road wheel 6 to be separated from fixed axis 93.
As depicted in figs. 1 and 2, electric control box 4 is arranged on detachable ladder 2 by hook 41, and the control line of mair motor 51 and auxiliary-motor 71 is connected into electric control box 4.Like this, mair motor 51 and auxiliary-motor 71 can carry out centralized Control by electric control box 4, and control cabinet, built with PLC, controls the forward-reverse of car ladder, fast forwarding and fast rewinding and slow-motion by control cabinet 4 and moves back slowly, control the pick-and-place of handgrip 74.As depicted in figs. 1 and 2, conveniently transport, detachable ladder 2 can by two sub-ladders 21, and every sub-ladder 21 is reinforced by four oblique drawbars.Four pin between two sub-ladders 21 are installed by threaded fasteners 22 and are connected, and when transporting, are separated by two sub-ladders 21 from threaded fasteners 22.
When reality uses, when car ladder needs reinforcement stable, control to grab rail motor 71 and work, grab rail motor 71 and control handgrip 74 when moving in longitudinal state, handgrip 74 and rail 77 interlock, and are formed and grab rail locking, ensure that stability.In like manner, when running into bend place, when rail both sides, bend place height is inconsistent, also can be increased the stability of car ladder by handgrip 74.When not needing to carry out reinforce stabilization to car ladder, control to grab rail motor 71 reverse operation, grab rail motor 71 and control handgrip 74 motion in transverse state, handgrip 74 and rail 77 unlock.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and manual; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.

Claims (2)

1. the track-catching device for electrification railway contact net tool car ladder, comprise working platform (3), detachable ladder (2) and tower wagon chassis (1), described working platform (3) is arranged on the top of detachable ladder (2), detachable ladder (2) is arranged on tower wagon chassis (1), tower wagon chassis (1) comprises left longitudinal beam (11), right longitudinal beam (14) and three transverse beams (13), three transverse beams (13) are laterally arranged on left longitudinal beam (11) and right longitudinal beam (14), it is characterized in that: also comprise the track-catching device being fixedly mounted on left longitudinal beam (11) below and support (75), track-catching device support (75) is installed with and grabs rail reducer (72), the output shaft of grabbing rail motor (71) is arranged on grabs on rail reducer (72), the output shaft of grabbing rail reducer (72) is provided with handgrip (74) and when handgrip (74) is in longitudinal state, handgrip (74) and rail (77) interlock.
2. a kind of track-catching device for electrification railway contact net tool car ladder according to claim 1, it is characterized in that: also comprise proximity switch A(76) and proximity switch B(78), proximity switch A(76) with proximity switch B(78) control signal output line all with grab rail motor (71) and be connected, the described output shaft of grabbing rail reducer (72) is provided with handgrip axle (73), described handgrip (74) is " L " shape, and the middle part of handgrip (74) is arranged on handgrip axle (73); Described proximity switch A(76) be arranged on left longitudinal beam (11) sidepiece and when handgrip (74) in longitudinal state and rail (77) interlocks time, handgrip (74) is positioned at proximity switch A(76) top, described proximity switch B(78) be arranged on track-catching device and support that (75) are upper and when handgrip (74) is in transverse state, handgrip (74) is positioned at proximity switch B(78) above.
CN201520047583.3U 2015-01-23 2015-01-23 A kind of track-catching device for electrification railway contact net tool car ladder Expired - Fee Related CN204476243U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520047583.3U CN204476243U (en) 2015-01-23 2015-01-23 A kind of track-catching device for electrification railway contact net tool car ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520047583.3U CN204476243U (en) 2015-01-23 2015-01-23 A kind of track-catching device for electrification railway contact net tool car ladder

Publications (1)

Publication Number Publication Date
CN204476243U true CN204476243U (en) 2015-07-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105151079A (en) * 2015-10-19 2015-12-16 中铁武汉电气化局集团第一工程有限公司 Rail grasping device of catenary vehicle ladder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105151079A (en) * 2015-10-19 2015-12-16 中铁武汉电气化局集团第一工程有限公司 Rail grasping device of catenary vehicle ladder

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150715

Termination date: 20180123

CF01 Termination of patent right due to non-payment of annual fee