CN210064570U

CN210064570U - Folding bridge by bus

Info

Publication number: CN210064570U
Application number: CN201920796897.1U
Authority: CN
Inventors: 徐平涛; 薛钊
Original assignee: Sichuan Ou Hang Technology Co Ltd
Current assignee: Sichuan Ou Hang Technology Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-14
Anticipated expiration: 2029-05-30

Abstract

The utility model provides a folding car axle of taking advantage of, include: the left single bridge and the right single bridge are connected through a connecting rod; each single bridge comprises independently arranged: the first section of the car-riding axle, the second section of the car-riding axle, the third section of the car-riding axle and the fourth section of the car-riding axle; the head and the tail of each section of the passenger car axle are transversely limited through the shaft pins to realize fixation, and the head and the tail of each section of the passenger car axle are longitudinally limited through the lock hooks to realize fixation; the fourth-section vehicle-riding axle can be adjusted in height through a height adjusting mechanism. The utility model provides a riding axle, which can adjust the height by taking the hinge point at the right end of the bridge deck as a rotation point through the height adjusting mechanism, thereby realizing wider application; meanwhile, the passenger bridge is formed by detachably arranging a plurality of independent passenger bridge sections, so that the passenger bridge is convenient to carry, and the application and carrying environment of the passenger bridge are greatly improved.

Description

Folding bridge by bus

Technical Field

The utility model relates to the technical field of machinery, especially, relate to a folding car axle of taking advantage of.

Background

In the field of air freight transportation, automobile transportation is more and more extensive, and in a specific event, a part of special vehicles must be driven to an air container plate at a certain position higher than the ground from the ground through a passenger bridge, and then the container plate is transported to an airplane cargo compartment to realize air transportation. Meanwhile, in some specific events, due to special needs, the passenger bridge needs to be synchronously transported along with the vehicle and used as a matched device for vehicle service, so that the passenger bridge also needs to realize aviation transportation, and under the needs, the passenger bridge is required to be packaged and fixed to an airplane cargo compartment through a packaging box in the manners of folding and unfolding and the like so as to realize transportation. Due to the characteristics of air transportation, the transportation cost is high, so that the self weight of the equipment is required to be reduced to the maximum extent, and the transportation cost is reduced.

In a specific event, the riding bridge needs to be used along with the vehicle under severe environmental conditions, such as low temperature, high temperature and the like, so that the equipment is required to be not suitable for being driven by external energy sources such as hydraulic pressure, electricity and the like as far as possible, and the reliability of the equipment is ensured.

At present, common riding bridges in the market are various, but basically have single functions, cannot realize riding height adjustment, and are large in size, high in weight and inconvenient for air transportation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the defect that above-mentioned prior art exists, provide a folding car axle of taking advantage of that can height-adjusting.

A folding passenger axle, comprising: the left single bridge and the right single bridge are connected through a connecting rod;

each single bridge comprises independently arranged: the first section of the car-riding axle, the second section of the car-riding axle, the third section of the car-riding axle and the fourth section of the car-riding axle;

the head and the tail of each section of the passenger car axle are transversely limited through the shaft pins to realize fixation, and the head and the tail of each section of the passenger car axle are longitudinally limited through the lock hooks to realize fixation;

the fourth section of passenger car axle is composed of a bridge floor and a support frame for supporting the bridge floor, and the support frame comprises a cross beam and a longitudinal beam; the bottom of the right end of the bridge floor is hinged with the tops of the two longitudinal beams respectively, and the bottom of the left end of the bridge floor is subjected to height adjustment by taking a hinged point at the right end of the bridge floor as a rotating point through a height adjusting mechanism.

Further, the folding passenger car axle as described above, the height adjustment mechanism includes: a hand wheel with a sleeve, a hollow screw rod, a screw rod sleeve rod, a front lug, a bracket and a combined pin;

the hollow lead screw and the lead screw sleeve rod are installed and combined together to form an up-down adjusting device, the upper end of the up-down adjusting device is hinged with the bottom of the bridge floor, the lower part and the bottom of the up-down adjusting device are fixedly connected with the supporting frame through a connecting rod, and the hand wheel with the sleeve is installed and fixed on the hollow lead screw;

the longitudinal beams at the bottom of the right end of the bridge deck formed by the front support lugs and the support are respectively arranged on the left side and the right side of the up-down adjusting device, and the support is used as a guide cylinder to install the front support lugs in the up-down adjusting device to move up and down; the front support lug is provided with a left row of adjusting holes and a right row of adjusting holes, a through hole is formed in the corresponding position of the support, and the combined pin penetrates through the through hole and one of the adjusting holes simultaneously to achieve positioning of the front support lug and the support.

Further, the folding passenger car axle is characterized in that a ground rail used for realizing fixed embedding with peripheral components is arranged on the bracket.

Further, in the folded passenger axle, a nylon plate is fixed at the tail part of the fourth section of the passenger axle.

Furthermore, as for the folding passenger car axle, a fixing pin is fixed on the fourth passenger car axle, a hole on the lock hook is sleeved on the fixing pin, the other end of the lock hook is provided with a groove, and the groove is used for being embedded and fixed with a bracelet fixing pin on the third passenger car axle.

Furthermore, the front tail part and the rear tail part of each single axle are respectively provided with an anti-collision plate; the left side and the right side of each single bridge are respectively provided with a bracelet.

Further, the connecting rod is detachably mounted between the two single axles as in the above-described folding passenger axle.

Furthermore, as for the folding vehicle-riding axle, pin holes are respectively arranged at the corresponding positions of every two single axles, and the two single axles are transversely limited and fixed through pin shafts and the pin holes.

Furthermore, the anti-skid stripes are distributed on the bridge deck of the folding passenger car axle; the first section of passenger axle, the second section of passenger axle and the third section of passenger axle are formed by welding aluminum alloy materials; the fourth section of the car-riding axle is of a titanium alloy bracket structure.

Further, according to the folding passenger car axle, the protruding part on the upper surface of the bridge deck is arranged by adopting a chamfer; the bottom surface of the frame of each section of the passenger car axle is provided with an anti-skidding nylon cushion block by a screw, and the cushion block is provided with an anti-skidding groove.

Has the advantages that:

the utility model provides a riding axle, which can adjust the height by taking the hinge point at the right end of the bridge deck as a rotation point through the height adjusting mechanism, thereby realizing wider application; meanwhile, the passenger bridge is formed by detachably arranging a plurality of independent passenger bridge sections, so that the passenger bridge is convenient to carry, and the application and carrying environment of the passenger bridge are greatly improved.

Drawings

FIG. 1 is a schematic view of the structure of the passenger car axle of the present invention;

FIG. 2 is an enlarged view of a portion I of FIG. 1;

FIG. 3 is a view showing a locked state of the latch hook of FIG. 2;

FIG. 4 is a schematic structural view of a fourth-stage passenger axle;

FIG. 5 is a front view of a fourth segment passenger axle;

FIG. 6 is a sectional view taken along line A-A of FIG. 4;

FIG. 7 is a sectional view taken along line B-B of FIG. 4;

fig. 8 is a schematic view of the folded passenger car axle of the present invention;

FIG. 9 is a schematic view of the connection of a fourth segment of the equal axle and the pallet;

FIG. 10 is a schematic view of a second and third passenger axle frame;

reference numerals:

1-bridge deck; 2-front lugs; 3-ground rail; 4-a scaffold; 5, cushion blocks; 6-rear anti-collision plate; 7-a combination pin; 8-a handle; 9-front anti-collision plate; 10-a connecting rod; 11-button quick-lock bolt; 12-connecting lugs; 13-positioning pin; 14-rear axle; 15-rear lug; 16-hexagonal slotted thin nuts; 17-a cotter pin; 18-handwheel with sleeve; 19-hollow lead screw; 20-lifting the support lug; 21-front axle; 22-a slide block; 23-locating the pin plate; 1101-fixed pins; 1102-wing nuts; 1103-bracelet fixation pins; 1104-a pin; 1105-a pin hole; 1106-latch hook; 1107-handle; 1201-connecting rod; 1203-a package board; 111-fourth section passenger axle; 112-third section passenger axle; 113-second section passenger axle; 114-first section passenger axle; 115-nylon sheet; 116-a package board; a-adjustment hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, fig. 8 and fig. 9, the utility model provides a folding passenger car axle, including independent setting: a first section of passenger car axle 114, a second section of passenger car axle 113, a third section of passenger car axle 112 and a fourth section of passenger car axle 111;

as shown in fig. 2-3, the head and the tail of each section of the vehicle-riding axle are fixed by horizontally limiting through a pin 1104 and by longitudinally limiting through a lock hook 1106;

the fourth passenger bridge section 111 is composed of a bridge deck 1 and a support frame for supporting the bridge deck 1, and the support frame comprises cross beams and longitudinal beams; the bottom of the right end of the bridge deck 1 is hinged with the tops of the two longitudinal beams respectively, and the bottom of the left end of the bridge deck 1 is subjected to height adjustment by taking a hinged point at the right end of the bridge deck as a rotating point through a height adjusting mechanism. The connecting rod is detachably mounted between the two single bridges.

As shown in fig. 4-7, the height adjustment mechanism includes: a handwheel 18 with a sleeve, a hollow screw rod 19, a screw rod sleeve, a front lug 2, a bracket 4 and a combined pin 7;

the hollow lead screw 19 and the lead screw sleeve rod are assembled together to form an up-down adjusting device, the upper end of the up-down adjusting device is hinged with the bottom of the bridge floor 1, the lower part and the bottom are fixedly connected with the supporting frame through a connecting rod, and the hand wheel 18 with the sleeve is fixedly installed on the hollow lead screw 19;

the front support lugs 2 and the support 4 form longitudinal beams at the bottom of the right end of the bridge deck 1 and are respectively arranged on the left side and the right side of the up-down adjusting device, and the support 4 is used as a guide cylinder to install the front support lugs 2 in the up-down adjusting device to move up and down; an adjusting hole A is formed in the corresponding position of the front support lug 2 and the support 4; the adjusting hole A realizes the positioning of the front support lug 2 and the support 4 through the combined pin 7, thereby improving the safety of the whole device through improving the combined pin.

The frame is formed by machining four upright posts by 88 multiplied by 48 multiplied by 8 40Cr, hardening and tempering the four upright posts to HRC 28-32, and other cross beams and longitudinal beams are all made of Q235 of 50 multiplied by 30 multiplied by 3.

Preferably, in order to ensure that the height-adjustable longitudinal beam is stable and reliable in the height adjustment process, the adjusting holes a comprise a left row and a right row.

Furthermore, a ground rail 3 used for being fixedly embedded with peripheral components is arranged on the support 4, a plurality of bolt holes are formed in the ground rail 3 and used for being aligned with external bolt holes, and the support and the external components are fixed through the pin shafts.

Further, as shown in fig. 1, a nylon plate 115 is fixed to the rear portion of the fourth deck 111 for smooth passage of the vehicle through the deck.

Further, the head and the tail of each section of the riding axle are fixed by means of transverse limiting through a pin 1104, and each section of the riding axle is fixed by means of longitudinal limiting through a locking hook 1106, where the fourth section of the riding axle is taken as an example, as shown in fig. 3, pin holes 1105 are respectively arranged at corresponding positions of every two single axles, and transverse limiting and fixing are achieved between the two single axles through the pin 1104 and the pin holes 1105. A fixing pin 1101 is fixed on the fourth passenger car axle 111, a hole on the locking hook 1106 is sleeved on the fixing pin 1101, and the other end of the locking hook 1106 is provided with a groove which is used for being embedded and fixed with a bracelet fixing pin 1103 on the third passenger car axle 112. After being positioned by the shaft pin, the two sections of the lock hook are lapped together.

Further, a butterfly nut 1102 is arranged on each locking hook 1106, and after the transverse limiting is performed by using a shaft pin, the fourth section and the third section are lapped by using the locking hook (if the distance between the locking hooks is inconsistent with the distance between the four section and the third section of the handle pins, the butterfly nut of the locking hook needs to be loosened, the distance between the locking hooks is adjusted, and the butterfly nut is screwed after the distance is determined to be consistent).

Further, as shown in fig. 5, an anti-collision plate 9 is respectively arranged at the front and rear tail parts of each single bridge; the left side and the right side of each single bridge are respectively provided with a bracelet.

Furthermore, anti-skid stripes are distributed on the bridge deck 1; the first passenger car axle 114, the second passenger car axle 113 and the third passenger car axle 112 are formed by welding aluminum alloy materials; the fourth-stage passenger axle 111 is of a titanium alloy bracket structure.

The convex part of the upper surface of the bridge deck 1 is arranged by adopting a chamfer; the bottom surface of the frame of each section of the passenger car axle is provided with an anti-skidding nylon cushion block by a screw, and the cushion block is provided with an anti-skidding groove.

In conclusion, the adjacent passenger car axles of each section are transversely limited through the shaft pins which are screwed on the sections, and the passenger car axles are only required to be inserted into the pin holes after the sections are aligned; the longitudinal direction is limited by the lock hook, the butterfly nut is arranged on the lock hook, and after the lock hook is loosened, the lock hook is meshed with the gear, so that the adjacent riding bridges in each section can be firmly tensioned together without being influenced by the reason that the ground is uneven by using the function of adjusting the length of the lock hook. As shown in fig. 10, each ride bridge is composed of a frame and a panel: the horizontal length of each section is 1.5m, and the gradient of the front three sections is 6.4 degrees; the panels are all made of titanium alloy plates with the thickness of 6mm, and anti-skid ribs are arranged on the upper surfaces of the panels; the panel and the frame are connected and fastened by countersunk screws. The first section of frame is formed by bending and welding a titanium alloy plate with the thickness of 4mm, and the front end of the first section of frame is provided with a nylon plate and a front end transition plate (machined) for the safe transition of a vehicle to the first section. The lower ends of the second and third sections of frames are formed by welding titanium alloy rectangular pipes with the thickness of 40mm multiplied by 3mm, the upper ends of the second and third sections of frames are formed by bending and welding titanium alloy plates with the thickness of 3mm, and reinforcing strips and reinforcing plates with the thickness of 5mm are welded for increasing the strength.

The utility model provides a take advantage of axle, its operation process as follows:

firstly, the second section is moved down from the third section, and the first section is moved down from the fourth section;

then, the fourth section is lifted to the applicable position at the tail end of the container plate (note that the lifting end is close to the container plate), and after two fourth section single bridges are placed, the four sections of single bridges are connected by a fourth section connecting rod (the connecting rod is independently placed beside the riding bridge). And (3) fixing the fourth section on the ground rail on the assembled plate by using a binding band (both sides of the single bridge need to be fixed) and tensioning (the fourth section is provided with a ground rail connector).

And then, rotating the hand wheel to enable the fourth section of lifting end to be lifted to the height which is flush with the assembly plate. The combined bolt is used for limiting the position and inserting the safety pin. Finally, the segments are butted together in sequence (ensuring that the segments are aligned with the single bridges). Connection of the third segment and the fourth segment: after being positioned by the shaft pin, the two sections of the lock hooks are lapped together,

and then, after the shaft pin is used for transverse limiting, the second section and the third section are lapped by using the lock hook (if the distance between the lock hook and the second section and the third section of the handle pin is not consistent, the butterfly nut of the lock hook needs to be loosened, the distance between the lock hook is adjusted, and the butterfly nut is screwed after the consistent distance is determined).

And finally, after the two single bridges are connected, connecting and fixing the two second section single bridges by using a second section connecting rod.

The utility model provides an equal axle still has following characteristics:

the detachable structure is convenient for transportation.

The strength is high, can bear the vehicle of load 10 tons.

The first three sections are welded by adopting aluminum alloy materials, and the fourth section is a liftable titanium alloy bracket structure, so that the device is safe and reliable.

The anti-skid stripes are fully distributed on the panel, so that the friction coefficient between the anti-skid stripe and the tire is increased, and the anti-skid tire is safe and reliable.

The protruding part of the upper surface of the panel is chamfered, so that the wheel is not damaged.

The anti-skidding nylon cushion block is installed on the bottom surface of each section of frame through screws, and the anti-skidding grooves are formed in the cushion block, so that the friction coefficient between the cushion block and the ground is increased, and the safety is improved.

The connection and fastening are carried out by adopting a mature connection mode in the aircraft transportation.

The positioning pins between the sections are consistent in model and specification, and have interchangeability.

The fourth section is lifted and limited by adopting portable double bolts, and each upright post is provided with two bolts, so that the reliability is improved.

Principal parameters

Dead weight of the riding bridge: not to be more than 850 kg.

Maximum load: 10 tons.

Unfolding the external dimension: 6000 mm. times.500 mm. times.720 mm.

Folding overall dimension: 1500mm by 1000mm by 720 mm.

Height adjustment: 510 mm-720 mm.

Each riding bridge is respectively composed of a frame and a panel: the horizontal length of each section is 1.5m, and the gradient of the front three sections is 6.4 degrees; the panels are all made of titanium alloy plates with the thickness of 6mm, and anti-skid ribs are arranged on the upper surfaces of the panels; the panel and the frame are connected and fastened by countersunk screws.

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 it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A folding passenger axle, comprising: the left single bridge and the right single bridge are connected through a connecting rod;

each single bridge comprises independently arranged: a first section of car riding axle (114), a second section of car riding axle (113), a third section of car riding axle (112) and a fourth section of car riding axle (111);

the head and the tail of each section of the passenger car axle are fixed by transverse limiting through a pin shaft (1104), and are fixed by longitudinal limiting through a lock hook (1106);

the fourth section of passenger car axle (111) is composed of a bridge floor (1) and a support frame for supporting the bridge floor, and the support frame comprises cross beams and longitudinal beams; the bottom of the right end of the bridge deck (1) is hinged with the tops of the two longitudinal beams respectively, and the bottom of the left end of the bridge deck (1) is subjected to height adjustment by taking a hinged point at the right end of the bridge deck as a rotating point through a height adjusting mechanism.

2. The folding passenger axle of claim 1, wherein the height adjustment mechanism comprises: a hand wheel (18) with a sleeve, a hollow lead screw (19), a lead screw sleeve rod, a front support lug (2), a bracket (4) and a combined pin (7);

the hollow lead screw (19) and the lead screw sleeve rod are installed and combined together to form an up-down adjusting device, the upper end of the up-down adjusting device is hinged with the bottom of the bridge floor (1), the lower part and the bottom are fixedly connected with the supporting frame through a connecting rod, and the hand wheel (18) with the sleeve is installed and fixed on the hollow lead screw (19);

the longitudinal beams at the bottom of the right end of the bridge deck (1) are formed by the front support lugs (2) and the support (4) and are respectively arranged on the left side and the right side of the up-down adjusting device, and the support (4) is used as a guide cylinder to install the front support lugs (2) in the up-down adjusting device to move up and down; the front support lug (2) is provided with a left row of adjusting holes (A) and a right row of adjusting holes (A), a through hole is formed in the corresponding position of the support (4), and the combined pin (7) penetrates through the through hole and one of the adjusting holes (A) to achieve positioning of the front support lug (2) and the support (4).

3. Folding passenger axle according to claim 2, characterized in that a ground rail (3) for a fixed inlay with peripheral components is provided on the bracket (4).

4. The folding passenger axle according to claim 1, characterized in that a nylon plate (115) is further fixed at the tail part of the fourth section passenger axle (111).

5. The folding passenger car axle according to claim 1, characterized in that a fixing pin (1101) is fixed on the fourth passenger car axle (111), a hole on the locking hook (1106) is sleeved on the fixing pin (1101), and the other end of the locking hook (1106) is provided with a groove for being embedded and fixed with a bracelet fixing pin (1103) on the third passenger car axle (112).

6. The folding passenger axle according to claim 1, characterized in that an anti-collision plate (9) is provided at each of the front and rear end portions of each single axle; the left side and the right side of each single bridge are respectively provided with a bracelet.

7. The folding passenger axle of claim 1, wherein the connecting rod is removably mounted between two single axles.

8. The folding passenger car axle of claim 1, characterized in that, the pin holes (1105) are respectively arranged at the corresponding positions of two single axles, and the two single axles are fixed in a transverse limiting way through the pin shaft (1104) and the pin holes (1105).

9. The folding passenger axle according to claim 1, characterized in that the deck (1) is distributed with anti-skid strips; the first passenger car axle (114), the second passenger car axle (113) and the third passenger car axle (112) are formed by welding aluminum alloy materials; the fourth-section passenger axle (111) is of a titanium alloy bracket structure.

10. The folding passenger axle of claim 1, characterized in that the convex part of the upper surface of the bridge deck (1) is arranged by a chamfer; the bottom surface of the frame of each section of the passenger car axle is provided with an anti-skidding nylon cushion block by a screw, and the cushion block is provided with an anti-skidding groove.