CN214001416U

CN214001416U - Subway contact net overhauls platform

Info

Publication number: CN214001416U
Application number: CN202022774260.8U
Authority: CN
Inventors: 张浩然; 孟中宇
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-20
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to the technical field of railway engineering, in particular to a subway contact net maintenance platform, which aims at the problems that the prior maintenance platform is convenient to combine, but the stability is poor due to the light structure, the safety is low when the higher contact net is maintained, and the maintenance range is low, the utility model provides a scheme which comprises a vehicle body, a first installation cavity is arranged in the vehicle body, a rotating motor is fixedly arranged on the inner wall of the bottom of the first installation cavity, a rotating plate is rotationally arranged in the first installation cavity, the output shaft of the rotating motor is fixedly connected with the bottom of the rotating plate, a hydraulic cylinder is fixedly arranged at the top of the rotating plate, and a hydraulic arm is welded on the output shaft of the hydraulic cylinder, the bottom of the utility model is high in stability when in use, the maintenance range is large, and a protection plate is arranged, so that the safety when the maintenance personnel is maintained is effectively improved, meanwhile, the portable maintenance tool is convenient to carry and maintain.

Description

Subway contact net overhauls platform

Technical Field

The utility model relates to a railway engineering technical field especially relates to a subway contact net overhauls platform.

Background

The railway contact net maintenance vehicle is a common contact net maintenance vehicle type and is used for checking the problems of contact nets and timely repairing the problems so as to ensure safe operation of railways. An operation object of a contact network overhaul operation platform (a contact network overhaul vehicle) is a railway power supply network, and an operator is generally required to climb to an aerial operation platform to detect problems of the contact network, so that the operation risk is high, and the safety factor of the contact network overhaul operation platform is required to be high;

publication number CN 208665008U's patent document discloses a contact net overhauls work platform, discloses to include: the utility model discloses can solve the complex structure of current contact net maintenance work platform, the part is numerous, the operating personnel is many, assemble consuming time, and the low technical problem of modularization degree that current contact net maintenance work platform exists;

however, although the maintenance platform in the above-mentioned patent document is convenient to combine, its comparatively light structure leads to its stability relatively poor, and when overhauing higher contact net, the security is lower, and overhauls the scope lower, is not convenient for carry the maintenance instrument simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current maintenance platform and though being convenient for make up, its comparatively light structure leads to its stability relatively poor, and when overhauing higher contact net, the security is lower, and overhauls the lower shortcoming of scope, and a subway contact net that proposes overhauls platform.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a subway contact net overhauling platform comprises a trolley body, wherein a first installation cavity is formed in the trolley body, a rotating motor is fixedly installed on the inner wall of the bottom of the first installation cavity, a rotating plate is rotatably installed in the first installation cavity, an output shaft of the rotating motor is fixedly connected with the bottom of the rotating plate, a hydraulic cylinder is fixedly installed at the top of the rotating plate, a hydraulic arm is welded on the output shaft of the hydraulic cylinder, the top end of the hydraulic arm extends to the outer side of the top of the trolley body and is fixedly connected with an overhauling table, a sliding groove is formed in the inner wall of the bottom of the overhauling table, a sliding block is slidably installed in the sliding groove, a top plate is fixedly connected with the top of the sliding block, a plurality of sliding rod holes are formed in the top of the top plate, limiting rods are slidably installed in the sliding rod holes, the top, the fixed cover in the outside of first rotary rod is equipped with the guard plate, two safety lever of one side fixedly connected with of guard plate, a plurality of couples of opposite side fixedly connected with of guard plate, and the guard plate cooperatees with the footboard.

Preferably, the maintenance platform is provided with a second installation cavity, the inner wall of one side of the second installation cavity is fixedly provided with a motor, the chute is rotatably provided with a threaded rod, one end of the threaded rod extends into the second installation cavity and is welded with an output shaft of the motor, the sliding block is provided with a threaded hole, and the threaded rod is threadedly installed in the threaded hole.

Preferably, a rack bar groove is seted up at the top of roof, and slidable mounting has a rack bar in the rack bar groove, and the top of rack bar and the bottom fixed connection of footboard have been seted up same rotatory hole with the one side that the mounting groove is close to each other, and the second rotary rod is installed to rotatory downthehole rotation, and the one end of second rotary rod extends to rack bar inslot and fixedly connected with gear, gear and rack bar mesh mutually.

Preferably, the other end of the second rotating rod extends into the mounting groove and is fixedly connected with a small bevel gear, a large bevel gear is fixedly sleeved on the outer side of the first rotating rod, and the large bevel gear is meshed with the small bevel gear.

Preferably, the top fixedly connected with spacing post of roof, spacing post and guard plate cooperate, and the spring groove has been seted up to the bottom of roof, and same sliding hole has been seted up to one side that spring groove and mounting groove are close to each other, and slidable mounting has a shelves pole in the sliding hole, and the top of shelves pole extends to in the mounting groove and cooperatees with the guard plate, and the bottom fixedly connected with auxiliary block of shelves pole.

Preferably, the outside cover of shelves pole is equipped with the spring, and the one end and the top inner wall fixed connection of spring groove of spring, the other end and the auxiliary block fixed connection of spring.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the rotary motor is matched with the rotary plate, and the hydraulic cylinder is matched with the maintenance platform through the hydraulic arm, so that the bottom stability is high when the maintenance platform is used, and the maintenance range is wide;

(2) according to the scheme, the limiting column, the blocking rod and the protection plate are matched, and the protection plate is matched with the safety rod and the hook, so that when a worker overhauls a higher contact network, the safety rod can be used as a depending point of an maintainer to prevent the maintainer from losing balance and falling, and a required tool can be conveniently placed in a place which can be conveniently held by the user through the hook, so that the overhauling is convenient;

the utility model discloses bottom stability is high when using, and the scope of overhauing is big, and is equipped with the guard plate for effectual security when having promoted the maintainer and overhauing, portable maintenance instrument simultaneously, going on of easy access.

Drawings

Fig. 1 is a schematic structural view of a subway overhead line system maintenance platform provided by the utility model;

fig. 2 is a schematic view of a main view cross-sectional structure of an inspection platform of a subway overhead line system inspection platform provided by the utility model;

fig. 3 is a schematic side view sectional structure diagram of an inspection platform of a subway overhead line system inspection platform provided by the utility model;

fig. 4 is a schematic structural diagram of a protection plate of a subway overhead line system maintenance platform provided by the utility model;

fig. 5 is the utility model provides a subway contact net overhauls enlarged structure schematic diagram of a department in fig. 3 of platform.

In the figure: the safety device comprises a vehicle body 1, a first mounting cavity 2, a rotary motor 3, a rotary plate 4, a hydraulic cylinder 5, a hydraulic arm 6, a maintenance platform 7, a sliding chute 8, a sliding block 9, a top plate 10, a sliding rod hole 11, a limiting rod 12, a pedal 13, a mounting groove 14, a first rotary rod 15, a protective plate 16, a safety rod 17, a hook 18, a second safety cavity 19, a motor 20, a threaded rod 21, a toothed rod groove 22, a toothed rod 23, a rotary hole 24, a second rotary rod 25, a gear 26, a bevel pinion 27, a bevel pinion 28, a limiting column 29, a spring groove 30, a sliding hole 31, a gear lever 32, an auxiliary block 33 and a spring 34.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-5, a subway overhead contact system overhaul platform comprises a vehicle body 1, a first installation cavity 2 is formed in the vehicle body 1, a rotating motor 3 is fixedly installed on the inner wall of the bottom of the first installation cavity 2, a rotating plate 4 is rotatably installed in the first installation cavity 2, an output shaft of the rotating motor 3 is fixedly connected with the bottom of the rotating plate 4, a hydraulic cylinder 5 is fixedly installed at the top of the rotating plate 4, a hydraulic arm 6 is welded on the output shaft of the hydraulic cylinder 5, the top end of the hydraulic arm 6 extends to the outer side of the top of the vehicle body 1 and is fixedly connected with an overhaul platform 7, a chute 8 is formed in the inner wall of the bottom of the overhaul platform 7, a sliding block 9 is slidably installed in the chute 8, the top of the sliding block 9 is fixedly connected with a top plate 10, a plurality of sliding rod holes 11 are formed in the top of the top plate 10, limiting rods 12 are slidably installed in the plurality of sliding rod holes 11, and the top ends of the limiting rods 12 are fixedly connected with a same pedal 13, mounting groove 14 has been seted up at the top of roof 10, and first rotary rod 15 is installed to the mounting groove 14 internal rotation, and the fixed cover in the outside of first rotary rod 15 is equipped with protection plate 16, two safety lever 17 of one side fixedly connected with of protection plate 16, a plurality of couples 18 of opposite side fixedly connected with of protection plate 16, and protection plate 16 cooperatees with footboard 13.

In this embodiment, the second installation cavity 19 has been seted up on the maintenance platform 7, and fixed mounting has motor 20 on one side inner wall of second installation cavity 19, and threaded rod 21 is installed to the internal rotation of spout 8, and the one end of threaded rod 21 extends to in the second installation cavity 19 and welds mutually with motor 20's output shaft, and threaded hole has been seted up on the slider 9, and threaded rod 21 threaded mounting is in the threaded hole, and threaded rod 21 can drive slider 9 displacement through the screw hole.

In this embodiment, rack bar groove 22 has been seted up at the top of roof 10, slidable mounting has rack bar 23 in rack bar groove 22, the top of rack bar 23 and the bottom fixed connection of footboard 13, same rotatory hole 24 has been seted up to one side that rack bar groove 22 and mounting groove 14 are close to each other, second rotary rod 25 is installed to rotatory downthehole 24 internal rotation, the one end of second rotary rod 25 extends to rack bar inslot 22 and fixedly connected with gear 26, gear 26 meshes with rack bar 23 mutually, can drive gear 26 during the displacement of rack bar 23 and rotate.

In this embodiment, the other end of the second rotating rod 25 extends into the mounting groove 14 and is fixedly connected with a small bevel gear 27, a large bevel gear 28 is fixedly sleeved outside the first rotating rod 15, the large bevel gear 28 is engaged with the small bevel gear 27, and the small bevel gear 27 can drive the large bevel gear 28 to rotate and reduce the speed.

In this embodiment, the top fixedly connected with of roof 10 spacing post 29, spacing post 29 cooperatees with protection plate 16, spring groove 30 has been seted up to the bottom of roof 10, same slide opening 31 has been seted up to the one side that spring groove 30 and mounting groove 14 are close to each other, slidable mounting has shelves pole 32 in the slide opening 31, the top of shelves pole 32 extends to in the mounting groove 14 and cooperatees with protection plate 16, the bottom fixedly connected with auxiliary block 33 of shelves pole 32, spacing post 29 and shelves pole 32 can be with the perpendicular locking of protection plate 16.

In this embodiment, the outer side of the stopper rod 32 is sleeved with a spring 34, one end of the spring 34 is fixedly connected with the inner wall of the top of the spring groove 30, the other end of the spring 34 is fixedly connected with the auxiliary block 33, and the spring 34 can drive the stopper rod 32 to return.

Example two

Referring to fig. 1-5, a subway contact network maintenance platform comprises a vehicle body 1, a first installation cavity 2 is arranged in the vehicle body 1, a rotating motor 3 is fixedly installed on the inner wall of the bottom of the first installation cavity 2 through bolts, a rotating plate 4 is rotatably installed in the first installation cavity 2, an output shaft of the rotating motor 3 is fixedly connected with the bottom of the rotating plate 4 through welding, a hydraulic cylinder 5 is fixedly installed at the top of the rotating plate 4 through bolts, a hydraulic arm 6 is welded on the output shaft of the hydraulic cylinder 5, the top end of the hydraulic arm 6 extends to the outer side of the top of the vehicle body 1 and is fixedly connected with a maintenance platform 7 through welding, a chute 8 is arranged on the inner wall of the bottom of the maintenance platform 7, a slide block 9 is slidably installed in the chute 8, the top of the slide block 9 is fixedly connected with a top plate 10 through welding, a plurality of slide rod holes 11 are arranged at the top of the top plate 10, and limiting rods 12 are slidably installed in the slide rod holes 11, the top of a plurality of gag lever posts 12 is through the same footboard 13 of welded fastening connection, and mounting groove 14 has been seted up at the top of roof 10, and first rotary rod 15 is installed to the 14 internal rotations in mounting groove, and the outside of first rotary rod 15 is equipped with protection plate 16 through the fixed cover of welding, and two safety lever 17 of welded fastening connection are passed through to one side of protection plate 16, and a plurality of couples 18 of welded fastening connection are passed through to the opposite side of protection plate 16, and protection plate 16 cooperatees with footboard 13.

In this embodiment, second installation cavity 19 has been seted up on the maintenance platform 7, has motor 20 through bolt fixed mounting on one side inner wall of second installation cavity 19, and threaded rod 21 is installed to the internal rotation of spout 8, and the one end of threaded rod 21 extends to in the second installation cavity 19 and welds mutually with motor 20's output shaft, has seted up threaded hole on the slider 9, and threaded rod 21 threaded mounting is in the threaded hole, and threaded rod 21 can drive slider 9 displacement through the threaded hole.

In this embodiment, rack bar groove 22 has been seted up at the top of roof 10, slidable mounting has rack bar 23 in rack bar groove 22, welded fastening is passed through with the bottom of footboard 13 on the top of rack bar 23, same rotatory hole 24 has been seted up to one side that rack bar groove 22 and mounting groove 14 are close to each other, second rotary rod 25 is installed to rotatory downthehole 24 internal rotation, the one end of second rotary rod 25 extends to in rack bar groove 22 and is connected with gear 26 through welded fastening, gear 26 meshes with rack bar 23 mutually, can drive gear 26 during the displacement of rack bar 23 and rotate.

In this embodiment, the other end of the second rotating rod 25 extends into the mounting groove 14 and is fixedly connected with a small bevel gear 27 by welding, the outer side of the first rotating rod 15 is fixedly sleeved with a large bevel gear 28 by welding, the large bevel gear 28 is meshed with the small bevel gear 27, and the small bevel gear 27 can drive the large bevel gear 28 to rotate and reduce the speed.

In this embodiment, the outer side of the stopper rod 32 is sleeved with a spring 34, one end of the spring 34 is fixedly connected with the top of the spring groove 30 through a welding inner wall, the other end of the spring 34 is fixedly connected with the auxiliary block 33 through welding, and the spring 34 can drive the stopper rod 32 to reset.

In this embodiment, when in use, an inspector first gets on the inspection desk 7, then the rotating motor 3 is started, the rotating motor 3 drives the rotating plate 4 to rotate through the output shaft, so that the rotating plate 4 drives the inspection desk 7 to rotate to the displacement of the overhead contact system through the hydraulic arm 6, then the hydraulic cylinder 5 is started, so that the hydraulic cylinder 5 drives the inspection desk 7 to rise through the hydraulic arm 6, so that the inspector can contact the overhead contact system, then the inspector can stand on the pedal 13 on the top plate 10, at this time, the pedal 13 moves downwards, the pedal 13 drives the gear rod 23 to displace, so that the gear rod 23 drives the gear 26 to rotate, the gear 26 drives the second rotating rod 25 to rotate, the second rotating rod 25 drives the small bevel gear 27 to rotate, the small bevel gear 27 drives the large bevel gear 28 to rotate and reduce the speed, so that the large bevel gear 28 drives the first rotating rod 15 to rotate, the first rotating rod 15 drives the protection plate 16 to rotate by ninety degrees and is blocked by the limiting column 29, at the same time, the spring 34 is reset, the spring 34 drives the blocking rod 32 to reset, so that the blocking rod 32 blocks the other side of the protection plate 16, thereby the protection plate 16 is locked, and the maintainer can rely on the space between the protection plate 16 and the two safety rods 17 to maintain, thereby avoiding falling caused by unbalance when the maintainer overhauls at high altitude, meanwhile, tools to be used can be placed on the hook in advance, so that the tool is convenient to take at any time during maintenance and is convenient to use, the motor 20 can be started at any time, so that the motor 20 drives the threaded rod 21 to rotate, the threaded rod 21 drives the slide block 9 to displace through the threaded hole, make slider 9 drive baffle 10 displacement for the maintainer can be convenient overhaul along the contact net, promote the scope of overhaul, can pass through auxiliary block 33 pulling shelves pole 32 after finishing using, make guard plate 16 can fall down, avoid the automobile body superelevation, lead to its inconvenient removal.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A subway contact net overhauling platform comprises a vehicle body (1) and is characterized in that a first installation cavity (2) is formed in the vehicle body (1), a rotating motor (3) is fixedly installed on the inner wall of the bottom of the first installation cavity (2), a rotating plate (4) is rotatably installed in the first installation cavity (2), an output shaft of the rotating motor (3) is fixedly connected with the bottom of the rotating plate (4), a hydraulic cylinder (5) is fixedly installed at the top of the rotating plate (4), a hydraulic arm (6) is welded on the output shaft of the hydraulic cylinder (5), the top end of the hydraulic arm (6) extends to the outer side of the top of the vehicle body (1) and is fixedly connected with an overhauling table (7), a sliding groove (8) is formed in the inner wall of the bottom of the overhauling table (7), a sliding block (9) is slidably installed in the sliding groove (8), a top plate (10) is fixedly connected with the top of the sliding block (9), a plurality of sliding rod holes (11) are formed in the top of the top plate (10), equal slidable mounting has gag lever post (12) in a plurality of slide bar holes (11), the same footboard (13) of top fixedly connected with of a plurality of gag lever posts (12), mounting groove (14) have been seted up at the top of roof (10), first rotary rod (15) are installed to mounting groove (14) internal rotation, the outside fixed cover of first rotary rod (15) is equipped with guard plate (16), two safety lever posts (17) of one side fixedly connected with of guard plate (16), a plurality of couples (18) of opposite side fixedly connected with of guard plate (16), guard plate (16) cooperate with footboard (13).

2. The subway overhead line system maintenance platform according to claim 1, wherein a second installation cavity (19) is formed in the maintenance platform (7), a motor (20) is fixedly installed on the inner wall of one side of the second installation cavity (19), a threaded rod (21) is rotatably installed in the sliding groove (8), one end of the threaded rod (21) extends into the second installation cavity (19) and is welded with an output shaft of the motor (20), a threaded hole is formed in the sliding block (9), and the threaded rod (21) is installed in the threaded hole in a threaded mode.

3. The subway overhead line system maintenance platform according to claim 1, wherein a rack bar groove (22) is formed in the top of the top plate (10), a rack bar (23) is slidably mounted in the rack bar groove (22), the top end of the rack bar (23) is fixedly connected with the bottom of the pedal (13), one side, close to each other, of the rack bar groove (22) and the mounting groove (14) is provided with a same rotating hole (24), a second rotating rod (25) is rotatably mounted in the rotating hole (24), one end of the second rotating rod (25) extends into the rack bar groove (22) and is fixedly connected with a gear (26), and the gear (26) is meshed with the rack bar (23).

4. The subway overhead line system maintenance platform as claimed in claim 3, wherein said second rotary rod (25) has another end extending into the mounting groove (14) and fixedly connected with a small bevel gear (27), a large bevel gear (28) is fixedly sleeved on the outer side of the first rotary rod (15), and the large bevel gear (28) is meshed with the small bevel gear (27).

5. The subway overhead line system maintenance platform according to claim 1, wherein the top of the top plate (10) is fixedly connected with a limiting column (29), the limiting column (29) is matched with the protection plate (16), the bottom of the top plate (10) is provided with a spring groove (30), one side, close to each other, of the spring groove (30) and the installation groove (14) is provided with a same sliding hole (31), a stop rod (32) is slidably installed in the sliding hole (31), the top end of the stop rod (32) extends into the installation groove (14) and is matched with the protection plate (16), and the bottom end of the stop rod (32) is fixedly connected with an auxiliary block (33).

6. The subway overhead line system maintenance platform according to claim 5, wherein a spring (34) is sleeved on the outer side of the stop rod (32), one end of the spring (34) is fixedly connected with the inner wall of the top of the spring groove (30), and the other end of the spring (34) is fixedly connected with the auxiliary block (33).