CN112847270A - Foldable head car overhauls platform - Google Patents

Abstract

The invention provides a foldable head car maintenance platform, which relates to the technical field of rail traffic maintenance and comprises a platform base, a platform supporting frame and a maintenance table board, wherein the maintenance table board is arranged above the platform base through the platform supporting frame, the platform base is provided with walking trundles and rail wheels, the walking trundles are used for moving on the ground, the rail wheels are used for moving on a rail, a turnover hinge part is arranged at the joint of the platform supporting frame and the platform base or the maintenance table board and is used for turning over the platform supporting frame and the platform base or the maintenance table board, a folding hinge part is arranged in the middle of the platform supporting frame and is used for folding the platform supporting frame per se, the technical scheme of the invention greatly reduces the storage space by enabling an equipment frame to have a folding function and a guardrail to turn over, the rail wheels are designed, so that the device can be suitable for operation on the rail, and, the maintenance tasks such as headlights and the like, or other operation tasks needing to build a platform.

Description

Foldable head car overhauls platform

Technical Field

The invention relates to the technical field of rail transit maintenance, in particular to a folding type head car maintenance platform.

Background

At present, the models in the railway industry are not uniform, the overhaul environment of the centralized power type motor train unit is complex and changeable, and various overhaul devices occupy a large amount of storage space due to the complexity of overhaul operation, so that a safe and reliable first train overhaul platform with small storage space needs to be researched and developed urgently to solve the problem; meanwhile, a large number of motor train units need to be transported and repaired, and due to the fact that time is short and tasks are heavy, the method for improving quality and increasing efficiency is also considered when the preparation time before the repair is reduced.

Disclosure of Invention

The invention aims to provide a foldable head train overhauling platform which has a folding function and can turn over a guardrail, so that the storage space is greatly reduced, and overhauling tasks of windscreen wipers, headlights and the like of a head train of a motor train unit can be met.

The invention provides a foldable head car maintenance platform which comprises a platform base, a platform supporting frame and a maintenance platform surface, wherein the maintenance platform surface is arranged above the platform base through the platform supporting frame, the platform base is provided with walking trundles and track wheels, the walking trundles are used for moving on the ground, the track wheels are used for moving on the track, a turnover hinge piece is arranged at the joint of the platform supporting frame and the platform base or the maintenance platform surface, the turnover hinge piece is used for turning over the platform supporting frame and the platform base or the maintenance platform surface, a folding hinge piece is arranged in the middle of the platform supporting frame, and the folding hinge piece is used for folding the platform supporting frame per se.

Furthermore, the number of the walking caster wheels or the track wheels is not less than two, the track wheels are arranged at the bottom of the platform base, and the track wheels are higher than the walking caster wheels.

Furthermore, the opposite two ends of the platform base are provided with bottom frames, the rail wheels are fixed in the bottom frames, and the rail wheels at the same end roll in a common rail.

Furthermore, a permanent magnet brake is further installed in the bottom frame.

Further, the quantity of platform support frame is two, two the platform support frame will respectively overhaul the mesa with the both ends of platform base are connected, every the platform support frame is including being no less than two parallel arrangement's pole setting and a plurality of parallel arrangement's horizontal pole, the horizontal pole is followed the direction of height of pole setting sets gradually, just the both ends of horizontal pole respectively with two the pole setting is connected.

Further, two platform support frame parallel arrangement, every platform support frame includes two the pole setting, the bottom of pole setting with the top surface of platform base is connected, the top of pole setting with the bottom surface of overhauing the mesa is connected.

Further, the pole setting includes pole setting and lower pole setting, the top of going up the pole setting is passed through upset hinge spare with the bottom surface of overhauing the mesa is articulated, the bottom of going up the pole setting is passed through folding hinge spare with the top of pole setting is articulated down, the bottom of pole setting is passed through upset hinge spare with the top surface of platform base is articulated down.

Further, go up the body of rod of pole setting with the slant is provided with the air spring between the bottom surface of overhauing the platform, the platform base with the slant is provided with supplementary bearing diagonal pole between the maintenance mesa, supplementary bearing diagonal pole with the platform base with can dismantle the connection between the maintenance mesa.

Furthermore, a side guardrail and a rear guardrail are further arranged on the overhaul table board, and the bottom of the side guardrail or the bottom of the rear guardrail is hinged to the top surface of the overhaul table board through a plurality of overturning hinges.

Further, be provided with self-locking mechanism on the upset hinge spare, self-locking mechanism is used for preventing the upset hinge spare freely overturns, each the direction of closing a mouthful of orientation of upset hinge spare all faces the platform base or overhaul the inboard of mesa, be provided with the bayonet lock handle on the folding hinge spare, the bayonet lock handle is used for controlling the folding angle of folding hinge spare, the direction of closing a mouthful of orientation of folding hinge spare the platform base or overhaul the outside of mesa.

According to the technical scheme, the turnover hinge piece and the folding hinge piece are adopted, so that the equipment frame has a folding function, the guardrail can be turned over, the storage space is greatly reduced, the adaptability is stronger, the platform base is provided with the rail wheels and the permanent magnet type brake, the device can adapt to operation on the rail, the safety of maintenance operation is improved, the safety protection of operators is improved, the platform building time is saved through the air spring and the auxiliary inclined support rod, the stability of the maintenance platform is improved, and the device can meet maintenance tasks of windscreen wipers, headlights and the like of a motor train unit head car or other operation tasks needing to build the platform.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a view of the FIG. 1 from another perspective;

FIG. 3 is a view of the structure of FIG. 1 from another perspective;

FIG. 4 is a schematic view of a platform support of the present invention;

FIG. 5 is an enlarged view of the flip hinge of the present invention;

FIG. 6 is an enlarged view of the folding hinge of the present invention;

FIG. 7 is an enlarged view of the bottom frame of the present invention;

FIG. 8 is a view of the flip hinge of the present invention;

FIG. 9 is an internal structural view of FIG. 8 in accordance with the present invention;

description of reference numerals:

1-platform base, 2-platform support frame, 3-maintenance platform surface, 4-walking caster wheels, 5-track wheels, 6-turnover hinge parts, 601-self-locking mechanism, 7-folding hinge parts, 701-bayonet handle, 8-bottom frame, 9-permanent magnet brake, 10-upright rod, 1001-upper upright rod, 1002-lower upright rod, 11-cross rod, 12-gas spring, 13-auxiliary inclined support rod, 14-side guardrail and 15-rear guardrail.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2 and 3, the invention provides a foldable head car maintenance platform, which comprises a platform base 1, a platform support frame 2 and a maintenance platform surface 3, wherein the maintenance platform surface 3 is supported above the platform base 1 through the platform support frame 2, the platform base 1 is provided with walking trundles 4 and track wheels 5, the walking trundles 4 are used for moving on the ground, the track wheels 5 are used for moving on train tracks, a turning hinge part 6 is arranged at the joint of the platform support frame 2 and the platform base 1 or the maintenance platform surface 3, the turning hinge part 6 is used for turning over between the platform support frame 2 and the platform base 1 or the maintenance platform surface 3, the middle part of the platform support frame 2 is provided with a folding hinge part 7, and the folding hinge part 7 is used for folding the platform support frame 2 per se.

The platform base 1 is the bottom of the whole device, concretely, the platform base 1 can be a square frame composed of a plurality of supporting rods, an inner small frame is arranged in an outer large frame, a track wheel 5 is arranged in the small frame, the frame structure is not only portable in movement, but also material-saving and capable of saving production cost, the platform supporting frame 2 is used as an intermediate supporting device for supporting the maintenance platform, for better supporting relation, the platform supporting frame 2 is positioned at two ends of the maintenance platform and the platform base 1, namely the two ends are connected, a turning hinge piece 6 and a folding hinge piece 7 are technical elements for realizing the folding of the device, the concrete structure of the turning hinge piece 6 is as shown in 8 and figure 9 and comprises a sleeve, a clamping block and a spring, when the turning hinge piece 6 is closed, namely the platform supporting frame 2 is vertical to the maintenance platform surface 3 and the platform base 1, at the moment, the clamping block is embedded into, realize the auto-lock, guarantee that upset hinge spare 6 can not turn over by oneself, when needing to fold the device, press the fixture block promptly then two upset pieces throw off, allow the upset, the spring is as canceling release mechanical system, folding hinge spare 7 select common hinge spare on the market can, for example, Japanese hinge, this kind of hinge spare is ripe prior art, its structure is no longer repeated here, when this device needs to be folded and is packed up, fold folding hinge spare 7 promptly, 2 middle parts of platform support frame are folding, reduce the height of overhauing mesa 3, upset hinge spare 6 is opened simultaneously, platform support frame 2 begins the upset simultaneously with the contact position of overhauing mesa 3 and platform base 1, need not dismantle and overhauls mesa 3.

As shown in fig. 1 and 7, the number of the walking casters 4 or the track wheels 5 is not less than two, and the track wheels 5 are arranged at the bottom of the platform base 1 and higher than the walking casters 4. Walking truckle 4 and rail wheel 5 all are used for the removal of this device, walking truckle 4 is used for under the usual state, removal on the level land, after will folding car removes the track, use rail wheel 5 to remove on the track in change, walking truckle 4 can be the universal wheel, or other common situation, can set up the foot brake on the walking truckle 4, be convenient for stop control, rail wheel 5's minimum is higher than walking truckle 4's minimum, when walking truckle 4 uses promptly, rail wheel 5 walks ungrounded, when rail wheel 5 uses, because track self height, walking truckle 4 is in unsettled state, the quantity of walking truckle and rail wheel is generally two, but if special operating mode, for example, the single track leans on the wall to remove etc., certainly also can only use two.

As shown in fig. 1 and 7, the opposite ends of the platform base 1 have bottom frames 8, and rail wheels 5 are fixed in the bottom frames 8, and the rail wheels 5 located at the same end roll on a common rail. Select to frame construction at the bottom of the platform, can effectively reduce manufacturing cost, reduce the weight of whole device, the main part of frame specifically is the square outer frame that four poles are constituteed, the inside little frame that sets up again of frame, bottom frame 8 promptly, install walking truckle 4 in the four corners of outer frame, install rail wheel 5 in inside bottom frame 8, be hollow between the bottom frame 8 at both ends, can effectively save the production material, reduce weight, easily remove, the quantity of rail wheel 5 is preferred four, every two sets up and move on a track, this kind of distribution can keep the stability in use of whole device.

As shown in fig. 7, a permanent magnet brake 9 is also installed in the bottom frame 8. The permanent magnet type brake 9 is used for fixing the position of the device on the rail, specifically, comprises a permanent magnet and a control rod, when braking is needed, the control rod is pulled, and braking is realized by means of friction between the rail and the permanent magnet, the device is a mature technology in the rail traffic field, for example, chinese patent "CN 202038320U", named "a linear type permanent magnet rail brake", or other braking devices, as long as the whole device can be stably controlled to brake well on the rail, and the structure of the device is not necessary to be repeated herein.

As shown in fig. 1 and 4, the number of the platform supports 2 is two, the two platform supports 2 respectively support and connect the overhaul table top 3 with the two ends of the platform base 1, each platform support 2 comprises at least two vertical rods 10 and a plurality of cross rods 11, and the cross rods 11 are sequentially connected with the rod bodies of the vertical rods 10 along the height direction of the vertical rods 10. Platform support frame 2 is located the both ends of device promptly, is the intermediate mechanism between overhauing mesa 3 and platform base 1, when this device is user state (unfolded condition), the vertical setting of a plurality of pole settings 10, and a plurality of horizontal poles 11 transversely set up, pass through bolt or welded fastening between pole setting 10 and horizontal pole 11, and in addition, platform support frame 2 sets up to the frame-type also can effectively save manufacturing material, reduces weight.

As shown in fig. 1 and 4, two platform supports 2 are arranged in parallel, each platform support 2 includes two vertical rods 10, the bottom of each vertical rod 10 is connected with the top surface of the platform base 1, and the top of each vertical rod 10 is connected with the bottom surface of the maintenance platform 3. Platform support frame 2 is similar to the ladder shape promptly, when operating personnel need climb to maintenance mesa 3, can climb from platform support frame 2.

As shown in fig. 4, 5 and 6, the upright 10 includes an upper upright 1001 and a lower upright 1002, the top of the upper upright 1001 is hinged to the bottom surface of the access platform 3 through a turning hinge 6, the bottom of the upper upright 1001 is hinged to the top of the lower upright 1002 through a folding hinge 7, and the bottom of the lower upright 1002 is hinged to the top surface of the platform base 1 through the turning hinge 6. Platform support frame 2 also divide into two parts about promptly, and every platform support frame 2 has two pole settings 10, four pole settings 10 of two platform support frames 2 promptly and eight tie points between maintenance mesa 3 and the platform base 1 all adopt upset hinge 6 to connect for realize folding, and go up pole setting 1001 and folding hinge 7 between the pole setting 1002 down for platform support frame 2 self is folding from the middle part, finally realizes the folding of whole device.

As shown in fig. 1 and 4, an air spring 12 is obliquely disposed between the rod body of the upper vertical rod 1001 and the bottom surface of the maintenance platform, an auxiliary inclined support rod 13 is obliquely disposed between the platform base 1 and the maintenance platform surface 3, and the auxiliary inclined support rod 13 is detachably connected with the platform base 1 and the maintenance platform surface 3. The gas spring 12 is used for auxiliary support. When the device needs to be supported, the gas spring 12 can assist in supporting the maintenance platform to reduce the lifting force of an operator, the auxiliary inclined support is used as a fixing device after the device is unfolded, and the auxiliary inclined support can be mounted to assist in fixing in order to prevent the folding hinge 7, the overturning hinge 6 and the like from being incapable of supporting the operation of the operator on the platform.

As shown in fig. 1, 2, 3 and 5, the maintenance platform 3 is further provided with a side guardrail 14 and a rear guardrail 15, and the bottom of the side guardrail 14 or the rear guardrail 15 is hinged with the top surface of the maintenance platform 3 through a plurality of turnover hinges 6. Of course, the effect of guardrail is to provide safe operating space, also can all add around overhauing mesa 3 and establish the guardrail according to the condition, and under fold condition, these guardrails provide upset hinge spare 6 and fold on overhauing mesa 3, under the user state, then all expand to the guardrail.

As shown in fig. 6, 8 and 9, a self-locking mechanism 601 is disposed on the turning hinge 6, the self-locking mechanism 601 is used for preventing the turning hinge 6 from freely turning, the closing direction of each turning hinge 6 faces the inner side of the platform base 1 or the maintenance platform 3, a bayonet handle 701 is disposed on the folding hinge 7, the bayonet handle 701 is used for controlling the folding angle of the folding hinge 7, and the closing direction of the folding hinge 7 faces the outer side of the platform base 1 or the maintenance platform 3. The self-locking mechanism 601 can effectively prevent the turnover hinge 6 from failing, so that an operator on the platform is in danger, the bayonet lock handle 701 is not only used for conveniently twisting the folding hinge 7, but also has the same control function as the self-locking mechanism 601, the closing direction of the turnover hinge 6 faces to the inner side of the platform base 1 or the maintenance table top 3, the upper end of the upper upright 1001 or the lower end of the lower upright 1002 is folded inwards, the closing direction of the folding hinge 7 faces to the outer side of the platform base 1 or the maintenance table top 3, the lower end of the upper upright 1001 or the upper end of the lower upright 1002 is folded outwards, the platform support frame 2 is folded in the state, the platform support frame 2 is folded inwards the whole device, the occupied space is small, and it can be easily understood that the closing direction of the turnover hinge 6 and the folding hinge 7 is opposite, the folding function can be realized, but the platform support frame 2 is folded outwards the whole device, the occupied space is large.

When in use, the device is divided into a building process and a withdrawing process,

the building process comprises the following steps: the foldable head car maintenance platform is pushed out from a storage position through the walking casters 4, when the foldable head car maintenance platform reaches a to-be-maintained position of a track, the side guardrails 14 and the rear guardrails 15 are firstly turned over and opened, at the moment, the turning hinges 6 keep the guardrails stable through the self-locking mechanisms 601 of the turning hinges, when the foldable maintenance platform is unfolded, two operators are required to simultaneously break the bayonet handle 701 of the folding hinge 7 in the middle of the platform supporting frame 2, the maintenance platform 3 is lifted by the operators, the air spring 12 extends along with the lifting of the maintenance platform 3, the platform supporting frame 2 gives a supporting force to the maintenance platform 3 to prevent the platform from suddenly descending and injuring the operators, meanwhile, the lifting thrust of the operators can be saved, when the platform supporting frame 2 reaches a vertical state, the bayonet of the folding hinge 7 also reaches a clamping groove to prevent the platform supporting frame 2 from turning over to make the maintenance platform 3, after the two ends of the platform are unfolded, the clamping type joints at the two ends of the auxiliary diagonal supports clamp the middle of the fixed columns of the platform base 1 and the overhaul table board 3, and the platform is unfolded at the moment; the platform utilizes rail wheel 5 to move along the track and to wait to examine the head plantago, adjust and overhaul required safe distance, foldable head car overhauls platform rail wheel 5 and track in close contact with this moment, walking truckle 4 is unsettled, move permanent magnet brake 9 to the track top, put permanent magnet brake 9 operating handle to the opposite side, permanent magnet brake 9 and rail tightly are tied together this moment, foldable maintenance platform is fixed firm this moment, the platform is built the completion before the maintenance, the maintainer steps on the platform through the platform frame and overhauls.

And (3) a recovery process: when the maintenance operation is finished, firstly, an operating handle of a permanent magnet brake 9 is swung to the initial side, the permanent magnet brake 9 is separated from a steel rail at the moment, a folding type maintenance platform is pushed away from the head of the motor train unit to a safe position along the rail, clamping type joints at two ends of an auxiliary inclined support are opened, the auxiliary inclined support is taken down, two operators are required to simultaneously lift a maintenance platform surface 3, a clamping pin handle 701 of a folding hinge part 7 in the middle of a platform support frame 2 is simultaneously pulled off, a clamping pin of the folding hinge part 7 is separated from the clamping groove, a turnover hinge part 6 is opened for self-locking, the platform support frame 2 is folded along with the folding hinge part 7 in the middle, the platform surface slowly descends along with the direction thrust of an air spring 12, the other end of the folding type maintenance platform is withdrawn in the same operation, after the platform surface is completely withdrawn, a self-locking mechanism 601 of a side guardrail 14 and, the retrieval of the service platform is completed at this point.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a foldable head car overhauls platform, a serial communication port, including platform base, platform support frame and maintenance mesa, it passes through to overhaul the mesa the platform support frame sets up the top of platform base, be equipped with walking truckle and rail wheel on the platform base, the walking truckle is used for subaerial removal, the rail wheel is used for moving on the track, the platform support frame with the platform base or the junction of overhauing the mesa is equipped with upset hinge spare, upset hinge spare is used for the platform support frame with the platform base or it turns over between the maintenance mesa to turn over, the middle part of platform support frame is equipped with folding hinge spare, folding hinge spare is used for platform support frame self is folding.

2. A folding head vehicle service platform according to claim 1, wherein the number of said walking casters or said rail wheels is not less than two, and is provided at the bottom of said platform base, said rail wheels being higher than said walking casters.

3. A folding head cart service platform according to claim 2, wherein said platform base has bottom frames at opposite ends, said bottom frames having said rail wheels fixed therein, said rail wheels at the same end rolling in a common rail.

4. A folding head cart servicing platform according to claim 3, wherein a permanent magnet brake is further mounted within said bottom frame.

5. A foldable head cart maintenance platform according to claim 1, wherein the number of said platform supporting frames is two, two of said platform supporting frames connect said maintenance platform with two ends of said platform base, respectively, each of said platform supporting frames comprises not less than two parallel-arranged vertical rods and a plurality of parallel-arranged cross rods, said cross rods are arranged in sequence along the height direction of said vertical rods, and two ends of said cross rods are connected with two of said vertical rods, respectively.

6. A folding head cart service platform according to claim 5, wherein two of said platform supports are arranged in parallel, each of said platform supports comprising two of said legs, the bottom of said legs being connected to the top surface of said platform base, and the top of said legs being connected to the bottom surface of said service platform.

7. The folding head cart service platform of claim 6, wherein said vertical posts comprise an upper vertical post and a lower vertical post, a top of said upper vertical post is hinged to a bottom surface of said service platform via said flip hinge, a bottom of said upper vertical post is hinged to a top of said lower vertical post via said fold hinge, and a bottom of said lower vertical post is hinged to a top surface of said platform base via said flip hinge.

8. The foldable head cart maintenance platform of claim 7, wherein an air spring is obliquely disposed between a rod body of the upper vertical rod and a bottom surface of the maintenance platform, an auxiliary oblique support rod is obliquely disposed between the platform base and the maintenance platform surface, and the auxiliary oblique support rod is detachably connected with the platform base and the maintenance platform surface.

9. A foldable head cart service platform as recited in claim 1, wherein said service platform is further provided with side rails and a rear rail, and the bottom of said side rails or said rear rail is hinged to the top surface of said service platform by a plurality of said flip hinges.

10. A foldable head cart service platform according to claim 7 or 9, wherein the flip hinges are provided with a self-locking mechanism for preventing the flip hinges from flipping freely, the hinge direction of each flip hinge is toward the inner side of the platform base or the service platform, the foldable hinges are provided with a latch handle for controlling the folding angle of the foldable hinges, and the hinge direction of the foldable hinges is toward the outer side of the platform base or the service platform.

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