CN110758507A

CN110758507A - Small trolley convenient to fold for rail high-speed rail

Info

Publication number: CN110758507A
Application number: CN201910714222.2A
Authority: CN
Inventors: 许超
Original assignee: Anhui Pu Jin Track Equipment Co Ltd
Current assignee: Anhui Pu Jin Track Equipment Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-02-07
Anticipated expiration: 2039-12-10
Also published as: CN110758507B

Abstract

The invention relates to the technical field of track high-speed rails, in particular to a trolley convenient to fold for track high-speed rails, which comprises two winding posts, wherein a positioning mechanism is arranged on the outer wall of one side of each of the two winding posts, folding rods are fixedly connected onto the outer wall of the opposite side of each of the two winding posts through the positioning mechanism, a connecting mechanism is arranged on the outer wall of the middle of each of the two folding rods, supporting columns are fixedly connected onto the outer wall of one end, far away from the winding posts, of each of the two folding rods through the positioning mechanism, cross rods distributed at equal intervals are welded between the two winding posts and between the two supporting columns, splicing mechanisms are arranged on the outer walls of the two supporting columns, and connecting rods are spliced on the two supporting columns through the splicing mechanisms. The folding trolley has the advantages that the trolley can be completely folded, the trolley can be folded when not in use, the occupied space of the trolley can be effectively reduced, and the trolley can be more convenient to carry.

Description

Small trolley convenient to fold for rail high-speed rail

Technical Field

The invention relates to the technical field of high-speed rails of rails, in particular to a foldable trolley for the high-speed rails of the rails.

Background

The handcart is a transport vehicle which is pushed and pulled by people and is the ancestor of all vehicles. Although the material handling technology of the trolley is continuously developed, the trolley is still used as an indispensable handling tool; the trolley is widely used in production and life because of its low cost, simple maintenance, convenient operation, light weight, ability to work in places where motor vehicles are not convenient to use, and convenience in carrying lighter objects in short distance.

Chinese patent No. CN201711121662.4 provides a foldable goods-pulling cart, which comprises a goods bucket, a pulley device is arranged below the cargo bucket, the pulley device comprises two rectangular openings I which are positioned at two sides of one end of the cargo bucket and are fixedly connected with the cargo bucket and have upward openings, a clamping block I which is positioned at one side of the rectangular opening I and is fixedly connected with the cargo bucket and can rotate, a first fixed shaft I which is positioned in the rectangular opening I and is fixedly connected with the cargo bucket and forms a closed space with the rectangular opening, the steering device is composed of two rectangular openings II which are positioned at two sides of the other end of the cargo hopper and are fixedly connected with the cargo hopper and have upward openings, the push-pull device comprises two circular convex bodies, a limiting block, a fixing nose and an elliptical hole, wherein the two circular convex bodies are located on two sides of one end of the cargo hopper and fixedly connected with the cargo hopper, the limiting block is located above the left side of the circular convex body and fixedly connected with the cargo hopper, the fixing nose is located on the upper end of the side surface of the cargo hopper and fixedly connected with the cargo hopper, and the elliptical hole is located in the center of the fixing nose and fixedly connected with the fixing nose. The invention has the advantages of simple structure and strong practicability.

The utility model provides a but collapsible small handcart of pulling goods has solved the great problem of little shallow time occupation space not, but a collapsible small handcart of pulling goods is folding when placing the goods fill can not fold, also can not fold in width direction moreover, and this has just resulted in although the space that can reduce after a collapsible small handcart of pulling goods occupies, but the space that occupies is still bigger.

Disclosure of Invention

The invention aims to provide a small trolley which is used for a high-speed rail and is convenient to fold, and aims to solve the problem that a cargo bucket proposed in the background technology cannot be folded and cannot be folded in the width direction, so that the occupied space can be reduced after the foldable cargo-pulling small trolley is folded, but the occupied space is still larger.

The technical scheme of the invention is as follows: a folding trolley for a high-speed rail comprises two winding posts, wherein the outer wall of one side of each of the two winding posts is provided with a positioning mechanism, the outer wall of the opposite side of each of the two winding posts is fixedly connected with a folding rod through the positioning mechanism, and the outer wall of the middle part of the two folding rods is provided with a connecting mechanism, the outer wall of one end of the two folding rods far away from the wire coiling column is fixedly connected with a supporting column through a positioning mechanism, cross rods distributed at equal intervals are welded between the two coiling posts and between the two supporting posts, the outer walls of the two supporting posts are provided with splicing mechanisms, and two support columns are inserted with connecting rods through inserting mechanisms, two push rods are welded between the connecting rods, two mounting platforms are welded on the outer walls of the bottoms of the support columns and the two coiling columns, and the bottoms of the mounting platforms are rotatably connected with universal wheels.

Further, two equal fixedly connected with warp between the support column and between two book line posts, two all be provided with weft between book line post and the adjacent support column, and fixedly connected with end net between two folding rods.

Further, the inside of book spool is provided with receives the line chamber, and receives the line chamber and peg graft and have the winding rod, it has torsion spring all to weld on the bottom outer wall in line chamber and on the outer wall at top to receive the one end welding of line chamber top torsion spring on the top outer wall of winding rod, and receive the one end welding of line chamber bottom torsion spring on the bottom outer wall of winding rod, it has the book line groove that is the equidistance and distributes to open on the side outer wall of winding rod, it has the receipts line hole that becomes the equidistance and distributes outward to correspond the department with the spiral groove on one side outer wall of book spool, the one end of warp is passed and is received line hole fixed connection on adjacent spiral inslot wall.

Further, grafting mechanism includes two spring grooves, two spring grooves are opened respectively on the outer wall of two connecting rod one ends, and two spring inslots all peg graft and have compression spring, two compression spring's both ends all weld and have the card ball, two all opened the inserting groove on the support column outer wall, and all opened the draw-in groove on the inner wall of inserting groove top and bottom, four the equal joint of card ball is in adjacent draw-in groove.

Furthermore, the push rod comprises an inner push rod and an outer push rod, and the inner push rod is inserted in the outer push rod.

Further, positioning mechanism includes two constant head tanks, two equal joint has the locating piece in the constant head tank, and the inside of two locating pieces is pegged graft and is had the screw rod, the both ends of screw rod all have the goat's horn nut through threaded connection.

Further, coupling mechanism includes two connecting blocks, and the screw rod is pegged graft in the inside of two connecting blocks, there is the nut at the both ends of screw rod through threaded connection, and all welds the extension rod on one side outer wall of two nuts.

Further, the horizontal pole includes interior pole and outer pole, interior pole is pegged graft in the outer pole, and has a spacing bolt through threaded connection on one side outer wall of outer pole, the outer pole is run through to the bottom of spacing bolt.

Further, the inside of universal wheel is provided with the footboard, and is provided with the spring on the top outer wall of footboard, be provided with the clutch blocks on the bottom outer wall of footboard, and be provided with the slot on one side outer wall of footboard.

Furthermore, the outer wall of the cross rod is provided with grooves distributed equidistantly, and the specifications of the grooves are the same as those of the folding rods.

The invention provides a foldable trolley for a high-speed rail, which is provided with the following improvements and advantages compared with the prior art, through the improvement:

(1) through the connecting mechanism, the positioning mechanism and the inserting mechanism, the trolley can be completely folded, and the occupied space of the trolley can be effectively reduced by folding the trolley when the trolley is not used, so that the trolley is more convenient to carry.

(2) Through warp, weft and the end net that sets up, be used for replacing the goods of original small handcart and fight to solve the unable folding problem of small handcart goods fill, can increase the volume that holds of big small handcart simultaneously, and can alleviate the dead weight of small handcart effectively.

(3) Through the push rod and the horizontal pole that set up, enable the small handcart and become can adjust in width direction, use spacing bolt to carry out spacing fixed to the horizontal pole, make the small handcart can work on crowded track high-speed railway more nimble and conveniently, can reduce the space that occupies one time in width direction when folding simultaneously.

Drawings

The invention is further explained below with reference to the figures and examples:

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

FIG. 2 is a cross-sectional view of the construction of the winding post of the present invention;

FIG. 3 is a schematic view of the plugging mechanism of the present invention;

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

FIG. 5 is a schematic view of the positioning mechanism of the present invention;

FIG. 6 is a schematic view of a cross bar configuration of the present invention;

FIG. 7 is a schematic view of the construction of the universal wheel of the present invention;

FIG. 8 is a schematic view of the pedal structure of the present invention;

fig. 9 is a schematic view of the structure of the connection mechanism of the present invention.

Description of reference numerals:

1 coiling post, 2 warps, 3 wefts, 4 bottom nets, 5 mounting tables, 6 universal wheels, 7 folding rods, 8 connecting mechanisms, 9 supporting columns, 10 connecting rods, 11 push rods, 12 grooves, 13 cross rods, 14 inner rods, 15 outer rods, 16 limiting bolts, 17 inner push rods, 18 outer push rods, 19 positioning mechanisms, 20 positioning blocks, 21 claw nuts, 22 screw rods, 23 positioning grooves, 24 extension rods, 25 connecting blocks, 26 pedals, 27 springs, 28 inserting grooves, 29 friction blocks, 30 coiling cavities, 31 coiling rods, 32 torsion springs, 33 coiling holes, 34 coiling grooves, 35 compression springs, 36 spring grooves, 37 clamping balls, 38 clamping grooves, 39 inserting mechanisms and 40 inserting grooves.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 9, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention provides a folding trolley for a track high-speed rail through improvement, as shown in figures 1-9, the folding trolley comprises two wire winding columns 1, a positioning mechanism 19 is arranged on the outer wall of one side of each of the two wire winding columns 1, folding rods 7 are fixedly connected to the outer wall of the opposite side of each of the two wire winding columns 1 through the positioning mechanism 19, a connecting mechanism 8 is arranged on the outer wall of the middle of each of the two folding rods 7, supporting rods 9 are fixedly connected to the outer wall of one end, far away from the wire winding columns 1, of each of the two folding rods 7 through the positioning mechanism 19 and are mainly used for supporting push rods 11, cross rods 13 which are distributed equidistantly are welded between the two wire winding columns 1 and between the two supporting rods 9, inserting mechanisms 39 are arranged on the outer walls of the two supporting rods 9 and are used for connecting the connecting rods 10 with the supporting rods 9 and enabling the connecting rods 10 to be more detachable, and the two supporting rods 9 are inserted with the connecting, the welding has push rod 11 between two connecting rods 10, all welds the mount table on the bottom outer wall of two support columns 9 and two book line posts 1 and is used for firm installation universal wheel 6, and the bottom of mount table 5 rotates and is connected with universal wheel 6.

Further, between two support columns 9 and equal fixedly connected with warp 2 between two book line posts 1, all be provided with weft 3 between two book line posts 1 and the adjacent support column 9, and fixedly connected with end net 4 between two folding rod 7, warp 2 and weft 3's material are the nylon rope, and end net 4's material is rubber.

Further, the inside of the winding post 1 is provided with a winding cavity 30, the winding cavity 30 is inserted with a winding rod 31, torsion springs 32 are welded on the outer wall of the bottom and the outer wall of the top of the winding cavity 30, one end of the torsion spring 32 at the top of the winding cavity 30 is welded on the outer wall of the top of the winding rod 31, one end of the torsion spring 32 at the bottom of the winding cavity 30 is welded on the outer wall of the bottom of the winding rod 31, winding grooves 34 which are distributed equidistantly are formed in the outer wall of the side face of the winding rod 31, winding holes 33 which are distributed equidistantly are formed in the outer wall of one side of the winding post 1 corresponding to the winding grooves 34, one end of each warp thread 2 penetrates through the winding holes 33 to be fixedly connected to the inner wall of the adjacent winding grooves 34, and the warp threads 2 can be kept in.

Further, grafting mechanism 39 includes two spring grooves 36, two spring grooves 36 are opened respectively on the outer wall of two connecting rod 10 one ends, and two spring grooves 36 are all pegged graft and have compressed spring 35, the both ends of two compressed spring 35 have all been welded and have been blocked ball 37, all opened inserting groove 40 on two support column 9 outer walls, and all opened draw-in groove 38 on the inner wall of inserting groove 40 top and bottom, four equal joints of block ball 37 are in adjacent draw-in groove 38 for locking connecting rod 10 and bracing piece 9.

Further, the push rod 11 comprises an inner push rod 17 and an outer push rod 18, and the inner push rod 17 is inserted inside the outer push rod 18, so that the width of the cart can be adjusted.

Further, positioning mechanism 19 includes two constant head tanks 23, and equal joint has locating piece 20 in two constant head tanks 23, and the inside of two locating pieces 20 is pegged graft and is had screw rod 22, and screw rod 22's both ends all have claw nut 21 through threaded connection.

Further, coupling mechanism 8 includes two connecting blocks 25, and screw rod 22 pegs graft in the inside of two connecting blocks 25, and threaded connection has the nut at screw rod 22's both ends, and all welds extension rod 24 on one side outer wall of two nuts, is convenient for twist the nut with the hand.

Further, the cross rod 13 comprises an inner rod 14 and an outer rod 15, the inner rod 14 is inserted into the outer rod 15, a limiting bolt 16 is connected to the outer wall of one side of the outer rod 15 through threads, the bottom of the limiting bolt 16 penetrates through the outer rod 15, and the cross rod 13 can be locked at a proper position in length.

Further, a pedal 26 is arranged inside the universal wheel 6, a spring 27 is arranged on the outer wall of the top of the pedal 26, a friction block 29 is arranged on the outer wall of the bottom of the pedal 26, and a slot 28 is arranged on the outer wall of one side of the pedal 26.

Furthermore, the outer wall of the cross rod 13 is provided with grooves 12 which are distributed equidistantly, the specifications of the grooves 12 are the same as those of the folding rod 7, and the grooves 12 can be clamped on the folding rod 7 during folding.

The working principle of the invention is as follows: when folding is needed, the connecting rod 10 is firstly pulled out of the supporting column 9, the clamping ball 37 of the inserting mechanism 39 is separated from the clamping groove 38 at the moment, the clamping ball 37 is extruded by the inner wall of the inserting groove 40, the clamping ball 37 moves along the spring groove 36 and compresses the compression spring 35 until the connecting rod 10 is separated from the inserting groove 40, then the inner push rod 17 is pushed to enable the inner push rod 17 to be completely inserted in the outer push rod 18, then the limiting bolt 16 is rotated, after the bottom surface of the limiting bolt 16 is separated from the inner rod 14, the inner rod 14 is pushed to enable the inner rod 14 to be retracted into the outer rod 15, when the inner rod is completely retracted into the outer rod 15, the limiting bolt 16 is rotated again to enable the relative position of the inner rod 14 and the outer rod 15 to be locked, the bottom net 4 is contracted and compacted under the action of elastic force, at the moment, the winding rod 31 is driven by the torsion spring 32 to rotate in the warp, the claw nut 21 moves along the screw rod 22 until the positioning block 20 completely leaves the positioning groove 23, the coiling column 1 and the supporting column 9 are rotated at the moment, the coiling column 1, the supporting column 9 and the folding rod 7 are positioned on the same horizontal plane, the groove 12 on the cross rod 13 is clamped on the outer wall of the folding rod 7, then the nut of the connecting mechanism 8 is rotated through the extension rod 24, the folding rod 7 is rotated after the nut is loosened, the folding rod 7 is folded back, and the folding of the small handcart is finished at the moment; when only need adjust the width, only need rotate limit bolt 16, after the bottom surface of limit bolt 16 left interior pole 14, promote interior pole 14, make horizontal pole 13 adjust to suitable width, rotate limit bolt 16 again, make interior pole 14 and outer pole 15 relative position lock, end net 4 contracts under the effect of elasticity and compacts, warp 2 relaxes this moment, torsion spring 32 drives winding rod 31 at receipts line chamber 30 internal rotation, warp 2 twines in winding groove 34, support column 9 of connecting on horizontal pole 13 drives interior pole 14 motion, the push rod keeps the same length with horizontal pole 13 promptly in making interior pole 14 income outer pole 15.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a track high-speed railway is with small handcart of being convenient for to fold which characterized in that: the wire winding device comprises two wire winding columns (1), wherein the outer wall of one side of each of the two wire winding columns (1) is provided with a positioning mechanism (19), the outer wall of the opposite side of each of the two wire winding columns (1) is fixedly connected with a folding rod (7) through the positioning mechanism (19), the outer wall of the middle part of each of the two folding rods (7) is provided with a connecting mechanism (8), the outer wall of one end of each of the two folding rods (7) far away from the wire winding columns (1) is fixedly connected with a supporting column (9) through the positioning mechanism (19), cross rods (13) which are distributed at equal intervals are welded between the two wire winding columns (1) and between the two supporting columns (9), the outer walls of the two supporting columns (9) are respectively provided with an inserting mechanism (39), the two supporting columns (9) are respectively inserted with a connecting rod (10) through the inserting mechanisms (39), and a push rod (11) is, two all the welding has mount table (5) on the bottom outer wall of support column (9) and two book line posts (1), and the bottom of mount table (5) is rotated and is connected with universal wheel (6).

2. The foldable trolley for the high-speed rail of claim 1, wherein: two equal fixedly connected with warp (2), two between support column (9) and between two book line post (1) roll up line post (1) and adjacent support column (9) between all be provided with weft (3), and fixedly connected with end net (4) between two folding rod (7).

3. The foldable trolley for the high-speed rail of claim 2, wherein: the utility model discloses a take-up spool, including take-up post (1), take-up chamber (30), and take-up chamber (30) and peg graft and have winding rod (31), all weld torsion spring (32) on the bottom outer wall of taking-up chamber (30) and on the outer wall at top, the one end of taking-up chamber (30) top torsion spring (32) welds on the top outer wall of winding rod (31), and the one end of taking-up chamber (30) bottom torsion spring (32) welds on the bottom outer wall of winding rod (31), it has winding groove (34) that are the equidistance and distribute to open on the side outer wall of winding rod (31), take-up hole (33) that correspond the department with winding groove (34) on the outer wall of one side of take-up post (1) and have the equidistance to distribute outward, warp (2) one end is passed and is taken-up hole (33) fixed connection on adjacent winding groove (34) inner.

4. The foldable trolley for the high-speed rail of claim 1, wherein: grafting mechanism (39) include two spring groove (36), two spring groove (36) are opened respectively on the outer wall of two connecting rod (10) one end, and all pegs graft in two spring groove (36) and have compression spring (35), two ball (37) have all been welded at the both ends of compression spring (35), two inserting groove (40) have all been opened on support column (9) outer wall, and all opened on the inner wall of inserting groove (40) top and bottom draw-in groove (38), four the equal joint of ball (37) is in adjacent draw-in groove (38).

5. The foldable trolley for the high-speed rail of claim 1, wherein: the push rod (11) comprises an inner push rod (17) and an outer push rod (18), and the inner push rod (17) is inserted into the outer push rod (18).

6. The foldable trolley for the high-speed rail of claim 1, wherein: positioning mechanism (19) include two constant head tanks (23), two equal joint has locating piece (20) in constant head tank (23), and the inside grafting of two locating pieces (20) has screw rod (22), the both ends of screw rod (22) all have claw nut (21) through threaded connection.

7. The foldable trolley for high-speed rail of claim 1 or 6, wherein: the connecting mechanism (8) comprises two connecting blocks (25), the screw rod (22) is inserted into the two connecting blocks (25), nuts are connected to the two ends of the screw rod (22) through threads, and the extending rods (24) are welded to the outer wall of one side of the two nuts.

8. The foldable trolley for the high-speed rail of claim 1, wherein: the cross rod (13) comprises an inner rod (14) and an outer rod (15), the inner rod (14) is inserted into the outer rod (15), a limiting bolt (16) is connected to the outer wall of one side of the outer rod (15) through threads, and the bottom of the limiting bolt (16) penetrates through the outer rod (15).

9. The foldable trolley for the high-speed rail of claim 1, wherein: the universal wheel (6) is internally provided with a pedal (26), a spring (27) is arranged on the outer wall of the top of the pedal (26), a friction block (29) is arranged on the outer wall of the bottom of the pedal (26), and a slot (28) is formed in the outer wall of one side of the pedal (26).

10. The foldable trolley for the high-speed rail of claim 1, wherein: the outer wall of the cross rod (13) is provided with grooves (12) which are distributed equidistantly, and the specifications of the grooves (12) are the same as those of the folding rods (7).