CN111674317B - Hydrogen energy power generation vehicle with hidden type cat ladder - Google Patents

Abstract

The invention relates to the technical field of hydrogen energy power generation vehicles, in particular to a hydrogen energy power generation vehicle with a hidden ladder, which comprises a vehicle body, a spandrel girder base fixed on the vehicle body, a carriage arranged on the spandrel girder base, and a ladder, wherein a chamber is inwards arranged at a position, which is positioned right below a vehicle door of the carriage, on the spandrel girder base, the ladder can be contained in the chamber, and a sliding component which is convenient for the ladder to retract or extend out of the chamber is connected between the inner side wall of the chamber and the ladder in a sliding manner. The invention has the effects of being convenient for workers to get on or off the vehicle safely and being capable of being hidden in a non-use state.

Description

Hydrogen energy power generation vehicle with hidden type cat ladder

Technical Field

The invention relates to the technical field of hydrogen energy power generation vehicles, in particular to a hydrogen energy power generation vehicle with a hidden ladder.

Background

The hydrogen energy power generation vehicle is a new energy power generation facility taking hydrogen as fuel, has the characteristics of cleanness, high efficiency and portability, is quite quiet in the power generation process of a fuel cell, has no black smoke and no pungent smell, and only clean air and water are discharged from a tail gas pipe of the vehicle, and the discharged water can be directly drunk. Compared with the traditional diesel power supply vehicle, the diesel power supply vehicle has the advantages of silence, cleanness, environmental friendliness and the like; compared with a lithium ion battery emergency power supply vehicle, the lithium ion battery emergency power supply vehicle has the advantages of long power supply time, short emergency response time, long-time storage and the like. The emergency power supply can be used as an emergency power supply guarantee power supply for important places such as meeting places, hospitals, banks and the like.

The carriage of the hydrogen energy power generation vehicle is internally provided with a series of matched devices such as a control system, a high-pressure hydrogen storage tank, a hydrogen fuel cell power generation system and the like, so that the vehicle body is higher than a common vehicle, is inconvenient to get on or off, has potential safety hazards, and has the following steps: when the portable ladder stand is placed on a car in a carriage, one end of the ladder is lapped at the tail part of the car by a worker, and the other end of the ladder stand is placed on the ground, so that the worker gets on or off the car.

The above prior art solutions have the following drawbacks:

1. The ladder stand has a large volume, and can occupy the effective space in the vehicle when placed in the carriage;

2. In-process of placing the cat ladder can be unstable due to uneven pavement, and safety and reliability of the cat ladder during working are affected.

Disclosure of Invention

The invention aims to provide a hydrogen energy power generation vehicle with a hidden type crawling ladder, which has the effects of being convenient for workers to get on and off the vehicle safely and being capable of being hidden in a non-use state.

The technical aim of the invention is realized by the following technical scheme: the utility model provides a hydrogen energy power generation car with hide type cat ladder, includes the automobile body, fixes spandrel girder base on the automobile body and installs the carriage on spandrel girder base, still includes the cat ladder, and the inside cavity of having seted up in the position that lies in the carriage under the door on the spandrel girder base, the cat ladder can be accomodate in the cavity, slides between cavity inside wall and the cat ladder and is connected with the slip subassembly that makes things convenient for the cat ladder to withdraw or stretch out the cavity.

By adopting the technical scheme, the crawling ladder can be retracted into the cavity for storage in a non-use state, so that the effective space occupied by the crawling ladder is reduced; when the ladder is used, the ladder is pulled out from the chamber and supported on the ground, and the ladder is connected with the inner side wall of the chamber in a sliding manner through the sliding component, so that the ladder is always connected with the inner side wall of the chamber, and dislocation, offset or slipping cannot occur when the ladder is supported on the ground, so that the ladder has higher stability and safety.

The present invention may be further configured in a preferred example as follows: the ladder stand is characterized in that the ladder stand is provided with an armrest, both the ladder stand and the armrest are made of conductive materials, and when the ladder stand is supported on the ground, the armrest is in conductive communication with the ground through the ladder stand.

Through adopting above-mentioned technical scheme, before getting on the bus, the staff holds the handrail, and at this moment, static on one's body can be through handrail and cat ladder leading-in underground in proper order to get rid of static of carrying on one's body, guarantee the security of operation behind the staff getting on the bus.

The present invention may be further configured in a preferred example as follows: the cat ladder comprises two mutually parallel vertical plates and a plurality of pedals fixedly connected between the two vertical plates and arranged at equal intervals.

By adopting the technical scheme, a worker can climb onto the carriage through the pedal.

The present invention may be further configured in a preferred example as follows: the sliding component comprises two sliding rails symmetrically fixedly connected to the inner side wall of the cavity and sliding pieces respectively connected to the sliding rails in a sliding mode, and the two sliding pieces are fixedly connected to the opposite sides of the two vertical plates and are close to the same position of the end portion.

Through adopting above-mentioned technical scheme, the cat ladder is through slider and sliding rail connection all the time, has guaranteed cat ladder stability and security when supporting subaerial.

The present invention may be further configured in a preferred example as follows: the sliding piece is a pin shaft;

two opposite sides of the two sliding rails are respectively provided with a sliding way for the pin shaft to slide, two ends of the sliding way are closed, and a yielding notch is arranged at a position on the vertical plate, which is abutted against the lower edge of the cavity outlet.

By adopting the technical scheme, the design that the end part of the slide way is closed can prevent the ladder from slipping off the slide rail; the setting of the abdicating notch can avoid the interference between the vertical plate and the lower edge of the cavity outlet when the handrail is lowered.

The present invention may be further configured in a preferred example as follows: the ladder stand is provided with an armrest.

By adopting the technical scheme, the safety of getting on or off the vehicle of the staff can be further improved.

The present invention may be further configured in a preferred example as follows: the handrail is arranged on the vertical plate at one side, the handrail comprises two support columns and a handrail rod fixedly connected between the two support columns, and the support columns and one side of the vertical plate facing the pedal are hinged through hinges; a fixing device for fixing the support column and the vertical plate is arranged between the support column and the vertical plate which are far away from one end of the vehicle body.

Through adopting above-mentioned technical scheme, because the handrail is through hinge articulated setting, consequently, after using, can overturn and put on the footboard, then accomodate in the cavity along with the cat ladder together.

The present invention may be further configured in a preferred example as follows: the fixing device comprises an inserted bar component arranged in the supporting column in a sliding mode and a clamping component which is arranged in the vertical plate and matched with the inserted bar component to fix the handrail.

Through adopting above-mentioned technical scheme, during the use, upset handrail makes the tip and the upper surface butt of riser of support column, at this moment, cooperatees through inserted bar subassembly and clamping component to fix the handrail on the cat ladder.

The present invention may be further configured in a preferred example as follows: the inserted link assembly comprises a groove formed in the support column from one end far away from the supporting rod inwards, an inserted link arranged in the groove in a sliding manner, a reset spring connected between the inner top wall of the groove and the inserted link, a deflector rod fixedly connected to the inserted link and extending out of one side of the support column in a sliding manner, and a chute formed in the side wall of the support column for the deflector rod to move along the length direction of the support column;

The clamping assembly comprises an active clamping plate which is arranged in the accommodating groove in the vertical plate by the upper surface of the vertical plate and is vertically arranged, and a connecting plate which is fixedly connected to the two sides of the active clamping plate and is slidably extended out from one side of the vertical plate away from the pedal, wherein a compression spring is fixedly connected between the active clamping plate and the side wall, close to the pedal, of the accommodating groove, a plurality of retaining teeth are fixedly connected to one side, away from the compression spring, of the active clamping plate, and a plurality of clamping teeth which are fixedly connected with the retaining teeth in a clamping manner are fixedly connected to one side, corresponding to the retaining teeth, of the inserting rod.

Through adopting above-mentioned technical scheme, when fixed, staff dial down driving lever, when V font top advance the head and the chamfer contacts, the direction motion that is close to the footboard is moved towards to the initiative splint under the influence of pressure gradually, after the V font top advances the head and touches the end, loosens the driving lever, and at this moment, reset spring applys ascending pulling force to the inserted bar, and hold-down spring applys the thrust towards the inserted bar direction to the initiative splint, finally makes the short right-angle limit looks joint of the short right-angle limit of latch and stopping tooth, realizes the fixed to the handrail.

The present invention may be further configured in a preferred example as follows: the top of initiative splint is equipped with the chamfer that leans down towards stopping tooth direction, and the inserted bar tip processing has the V font top that can cooperate with the chamfer.

Through adopting above-mentioned technical scheme, when the inserted bar contacts with initiative splint, V font top advances the head and can cooperate with the chamfer for the direction motion of initiative splint pressurized towards the footboard is up to latch and stopping tooth joint, and whole process need not to manually press the linkage board, and the operation is more convenient.

The present invention may be further configured in a preferred example as follows: the bearing beam base and the sliding component are made of conductive materials, and a chassis of the vehicle body is connected with a grounding chain for conducting electricity.

Through adopting above-mentioned technical scheme, the setting of ground connection chain is mainly used to guarantee the security in the car advancing process.

In summary, the beneficial technical effects of the invention are as follows:

1. The ladder stand can be retracted into the cavity for storage in a non-use state, so that the effective space occupied by the ladder stand is reduced; when the ladder is used, the ladder is pulled out from the chamber and supported on the ground, and the ladder is connected with the inner side wall of the chamber in a sliding way through the sliding component, so that the ladder is always connected with the inner side wall of the chamber, dislocation, deviation or slipping cannot occur when the ladder is supported on the ground, and the ladder has higher stability and safety;

2. the hinged armrests are arranged, so that after the armrests are used, operators can conveniently turn over the armrests and put the armrests on the pedals, and then the armrests are stored in the chamber along with the ladder stand;

3. the handrail passes through the setting of cat ladder and the electrically conductive intercommunication in ground for the staff is preceding, can be through handrail and cat ladder with the static introduction underground that self carried, thereby guarantees the security of operation after getting on the bus. .

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the slide assembly and ladder entirely removed from the chamber based on FIG. 1;

FIG. 3 is a schematic view showing the structure of the hinge joint between the armrest and the riser;

FIG. 4 is a schematic view showing the structure of the armrest resting on the tread in the non-use condition;

FIG. 5 is an enlarged schematic view of a portion A of FIG. 4;

FIG. 6 is a schematic structural view showing the connection and positional relationship of a shift lever to a plunger in a plunger assembly;

FIG. 7 is a cross-sectional view of the plunger taken back into the recess and taken longitudinally from the middle on the basis of FIG. 6;

FIG. 8 is a cross-sectional view taken longitudinally intermediate the plunger assembly and the clamp assembly when the armrest is resting on the pedal;

FIG. 9 is a partially enlarged schematic illustration of portion B of FIG. 8;

fig. 10 is a cross-sectional view showing the snap fit of the latch and the backstop teeth after the plunger rod is inserted into the receiving groove.

Reference numeral 1, vehicle body; 2. a spandrel girder base; 21. a chamber; 22. a baffle; 3. a carriage; 4. a ladder stand; 41. a vertical plate; 411. a relief notch; 412. a receiving groove; 42. a pedal; 5. a slip assembly; 51. a slide rail; 511. a slideway; 52. a pin shaft; 6. an armrest; 61. a support column; 611. a groove; 612. a chute; 62. a support rod; 63. a hinge; 7. a plunger assembly; 71. a rod; 72. a return spring; 73. a deflector rod; 74. latch teeth; 75. v-shaped jacking head; 8. a clamping assembly; 82. an active splint; 83. a connecting plate; 84. a linkage plate; 85. a compression spring; 86. a cover plate; 87. a retaining tooth; 88. and (5) chamfering.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the hydrogen energy generating vehicle with the hidden type ladder disclosed by the invention comprises a vehicle body 1, a spandrel girder base 2 fixed on the vehicle body 1 and a carriage 3 arranged on the spandrel girder base 2, wherein a cavity 21 horizontally opened towards the interior of the spandrel girder base 2 is arranged at the tail part of the spandrel girder base 2, the cavity 21 is positioned under a vehicle door of the carriage 3, a ladder 4 is arranged in the cavity 21, a sliding component 5 is connected between the ladder 4 and the inner side wall of the cavity 21 in a sliding way, and in general, the ladder 4 is stored in the cavity 21 through the sliding component 5, so that the effective space occupied by the ladder 4 is reduced; in use, the ladder 4 is pulled out from the chamber 21.

The spandrel girder base 2 is located the position under the access & exit of cavity 21 and articulates there is baffle 22 for seal the access & exit, and the one side that baffle 22 kept away from the pin joint can be fixed through lock, hasp or other joint structure.

Referring to fig. 2, the ladder stand 4 includes two vertical plates 41 parallel to each other and a plurality of pedals 42 welded between the two vertical plates 41 and equidistantly arranged, wherein a certain angle is formed between the pedals 42 and the vertical plates 41, and such a structural design mainly ensures that the pedals 42 are approximately horizontal to the ground when the ladder stand 4 is supported on the ground, so that a worker steps on. A slip-proof cloth for slip-proof may be provided on the pedal 42 as needed, improving the safety of use.

Referring to fig. 1 and 2, the sliding assembly 5 includes two symmetrically disposed sliding rails 51 and sliding members slidably connected to opposite sides of the two sliding rails 51, the sliding rails 51 are welded and fixed on the inner side wall of the chamber 21, and the two sliding members are fixedly connected to opposite sides of the two upright plates 41 and the same positions near the ends. More specifically, the sliding member is a pin 52, one side of the two sliding rails 51 opposite to each other is provided with a sliding rail 511 for sliding the pin 52, and two ends of the sliding rail 511 are closed for limiting the pin 52 and preventing the ladder 4 from sliding off the sliding rails 51.

The ladder stand 4 may interfere with the lower edge of the outlet of the cavity 21 during the pulling-out and downward turning, so that the ladder stand 4 cannot be normally supported on the ground, and in order to solve this problem, a yielding gap 411 is formed at the position where the vertical plate 41 abuts against the lower edge of the outlet of the cavity 21, so as to avoid the interference portion of the vertical plate 41 and the lower edge.

Referring to fig. 1 and 3, in order to further improve the safety of the worker getting on and off, a handrail 6 is provided on the ladder stand 4. The armrest 6 is a single-sided armrest 6 which is hinged on one side of a riser 41. The cat ladder 4 and the handrail 6 are made of conductive materials, when the cat ladder 4 is supported on the ground, the handrail 6 is in conductive communication with the ground through the cat ladder 4, a worker holds the handrail 6 before getting on the car, at the moment, static electricity on the body can be led into the ground through the handrail 6 and the cat ladder 4 in sequence, so that static electricity carried on the body is eliminated, and the safety of operation after the worker gets on the car is guaranteed.

The spandrel girder base 2 and the sliding component 5 are also made of conductive materials, a grounding chain connected with the ground is connected on the chassis of the vehicle body 1, and the grounding chain is mainly used for ensuring the safety in the running process of the vehicle.

The armrest 6 includes two support columns 61 and an armrest rod 62 fixedly connected between the support columns 61, and one side of the support columns 61 and the vertical plate 41 facing the pedal 42 is hinged by a hinge 63, and the armrest 6 is normally placed on the pedal 42 and stored in the chamber 21 together with the ladder 4.

Referring to fig. 4 and 5, a fixing device for fixing the armrest 6 is provided between the support column 61 and the riser 41 at an end far from the vehicle body 1 (see fig. 1), the fixing device includes an insert rod assembly 7 slidably provided in the support column 61 and a clamping assembly 8 mounted in the riser 41, and in use, the armrest 6 is turned until an end of the support column 61 abuts against an upper surface of the riser 41, at this time, the armrest 6 is engaged with the clamping assembly 8 through the insert rod assembly 7, thereby being fixed on the ladder stand 4.

Referring to fig. 6 and 7, the plunger assembly 7 includes a groove 611 formed on the support column 61 from one end far away from the supporting rod 62 (see fig. 4), a plunger 71 slidably disposed in the groove 611, a return spring 72 connected between the inner top wall of the groove 611 and the end of the plunger 71, and a deflector 73 vertically fixed to the plunger 71, the deflector 73 being slidably extended from one side of the support column 61 far away from the vehicle body 1, a slide groove 612 extending along the length direction of the support column 61 being formed at a position on the side wall of the support column 61 corresponding to the position of the deflector 73, the plunger 71 being normally accommodated in the groove 611, the return spring 72 being in a normal state; in use, a worker may actuate the plunger 71 to extend from the recess 611 by pulling the lever 73.

Referring to fig. 8 and 9, the clamping assembly 8 includes a receiving slot 412 formed in the vertical plate 41 by the upper surface of the vertical plate 41, an active clamping plate 82 movably in the receiving slot 412 and vertically arranged, and connecting plates 83 fixedly connected to two sides of the active clamping plate 82 and slidably extended from one side of the vertical plate 41 away from the pedal 42, a linkage plate 84 is integrally connected between the two connecting plates 83, a compression spring 85 is fixedly connected between the active clamping plate 82 and the side wall of the receiving slot 412, which is close to the pedal 42, and when the linkage plate 84 is pressed, the active clamping plate 82 moves in a direction close to the pedal 42.

The opening part of the accommodating groove 412 above the compression spring 85 is fixedly connected with a cover plate 86 for protecting the compression spring 85 and playing a role in hiding.

Referring to fig. 9, a plurality of retaining teeth 87 are fixedly connected to a side of the driving clamping plate 82 away from the compression spring 85, a plurality of latches 74 capable of being fixedly clamped with the retaining teeth 87 are fixedly connected to a side of the plunger rod 71 corresponding to the retaining teeth 87, the sections of the retaining teeth 87 and the latches 74 are in the same right triangle structure, if the retaining teeth 87 are arranged in a normal position (the short right angle sides of the right triangle are downward), the latches 74 are inverted (the short right angle sides of the right triangle are upward), and the latches 74 and the retaining teeth 87 can be just clamped.

In order to facilitate the engagement of the latch 74 with the retaining tooth 87, a chamfer 88 inclined obliquely downward toward the retaining tooth 87 is provided on the top of the driving cleat 82, and a V-shaped jack 75 capable of engaging with the chamfer 88 is formed on the end of the plunger rod 71.

The working principle of the embodiment is as follows: when in use, the handrail 6 is turned over to enable the end part of the support column 61 to be abutted against the upper surface of the vertical plate 41, and at the moment, the slope surface of the V-shaped jacking head 75 on one side of the latch 74 is aligned with the chamfer 88; when the push-in head 75 is contacted with the inclined surface 88, the driving clamping plate 82 is gradually influenced by pressure to move towards the direction close to the pedal 42, after the push-in head 75 touches the bottom, the push-in rod 73 is released, at the moment, the reset spring 72 applies upward tension to the inserting rod 71, the compression spring 85 applies pushing force towards the inserting rod 71 to the driving clamping plate 82, and finally the short right-angle side of the clamping tooth 74 is clamped with the short right-angle side of the retaining tooth 87, so that the handrail 6 is fixed; after the use, the linkage plate 84 is pressed, so that the driving clamping plate 82 continues to move towards the direction approaching the pedal 42, and the retaining teeth 87 are separated from the clamping teeth 74, at this time, the plunger 71 is retracted into the groove 611 under the influence of the restoring force of the restoring spring 72, and the fixation is released.

The ladder stand 4 can be retracted into the cavity 21 for storage in a non-use state, so that the effective space occupied by the ladder stand 4 is reduced; when the ladder stand is used, the ladder stand 4 is pulled out of the cavity 21 and supported on the ground, and the ladder stand 4 is connected with the inner side wall of the cavity 21 in a sliding manner through the sliding assembly 5, so that the ladder stand 4 is always connected with the inner side wall of the cavity 21, and the ladder stand 4 cannot be misplaced, offset or slipped when being supported on the ground, so that the ladder stand has higher stability and safety.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims (4)

1. The utility model provides a hydrogen energy power generation car with hidden cat ladder, includes automobile body (1), fixes spandrel girder base (2) on automobile body (1) and installs carriage (3) on spandrel girder base (2), its characterized in that: the novel car door climbing device is characterized by further comprising a ladder stand (4), wherein a chamber (21) is inwards formed in the position, right below a car door of the carriage (3), of the spandrel girder base (2), the ladder stand (4) can be contained in the chamber (21), and a sliding component (5) which is convenient for the ladder stand (4) to retract or extend out of the chamber (21) is connected between the inner side wall of the chamber (21) and the ladder stand (4) in a sliding manner;

the ladder stand (4) is provided with an armrest (6), both the ladder stand (4) and the armrest (6) are made of conductive materials, and when the ladder stand (4) is supported on the ground, the armrest (6) is in conductive communication with the ground through the ladder stand (4);

the crawling ladder (4) comprises two mutually parallel vertical plates (41) and a plurality of pedals (42) fixedly connected between the two vertical plates (41) and arranged at equal intervals;

the handrail (6) is arranged on the vertical plate (41) at one side, the handrail (6) comprises two support columns (61) and a handrail rod (62) fixedly connected between the two support columns (61), and one side, facing the pedal (42), of the support columns (61) and the vertical plate (41) is hinged through a hinge (63); a fixing device for fixing the support column (61) and the vertical plate (41) is arranged between the support column (61) far away from one end of the vehicle body (1);

the fixing device comprises a inserted rod assembly (7) arranged in the supporting column (61) in a sliding way and a clamping assembly (8) arranged in the vertical plate (41) and matched with the inserted rod assembly (7) to fix the handrail (6);

The inserted link assembly (7) comprises a groove (611) formed in the support column (61) from one end far away from the supporting rod (62) inwards, an inserted link (71) arranged in the groove (611) in a sliding manner, a return spring (72) connected between the inner top wall of the groove (611) and the inserted link (71), a deflector rod (73) fixedly connected to the inserted link (71) and extending out from one side of the support column (61) in a sliding manner, and a chute (612) formed in the side wall of the support column (61) for the deflector rod (73) to move along the length direction of the support column (61);

The clamping assembly (8) comprises a containing groove (412) formed in the vertical plate (41) through the upper surface of the vertical plate (41), a driving clamping plate (82) which moves in the containing groove (412) and is vertically arranged, and a connecting plate (83) fixedly connected to two sides of the driving clamping plate (82) and extending out of one side, far away from the pedal (42), of the vertical plate (41), a compression spring (85) is fixedly connected between the driving clamping plate (82) and the side wall, close to the pedal (42), of the containing groove (412), a plurality of retaining teeth (87) are fixedly connected to one side, far away from the compression spring (85), of the driving clamping plate (82), and a plurality of clamping teeth (74) which are fixedly clamped with the retaining teeth (87) are fixedly connected to one side, corresponding to the retaining teeth (87), of the inserting rod (71);

the bearing beam base (2) and the sliding component (5) are made of conductive materials, and a chassis of the vehicle body (1) is connected with a grounding chain for conducting electricity.

2. The hydrogen energy power generation vehicle with hidden ladder of claim 1, wherein: the sliding component (5) comprises two sliding rails (51) symmetrically fixedly connected to the inner side wall of the cavity (21) and sliding pieces respectively and slidably connected to the sliding rails (51), and the two sliding pieces are fixedly connected to the opposite sides of the two vertical plates (41) and are close to the same positions of the end parts.

3. The hydrogen energy power generation vehicle with hidden ladder of claim 2, wherein: the sliding piece is a pin roll (52);

One side of the two sliding rails (51) opposite to each other is provided with a sliding rail (511) for sliding the pin shaft (52), two ends of the sliding rail (511) are closed, and a yielding gap (411) is formed in the position, which is abutted to the lower edge of the outlet of the cavity (21), of the vertical plate (41).

4. The hydrogen energy power generation vehicle with hidden ladder of claim 1, wherein: the top of initiative splint (82) is equipped with chamfer (88) towards stopping tooth (87) direction slant downward sloping, and the processing of inserted bar (71) tip has V font jack (75) that can cooperate with chamfer (88).