CN113830130A

CN113830130A - Special normalized self-braking track trolley for track traffic construction

Info

Publication number: CN113830130A
Application number: CN202111197869.6A
Authority: CN
Inventors: 张亚群; 苑爱娟; 张建莹; 牛保平
Original assignee: Shanghai Tieshen Equipment Co ltd
Current assignee: Shanghai Tieshen Equipment Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2021-12-24
Anticipated expiration: 2041-10-14
Also published as: CN113830130B

Abstract

The invention discloses a normalized self-braking track trolley special for track traffic construction, and relates to the field of track traffic construction. The device comprises two groups of edge beams and four groups of cross beams, wherein the four groups of cross beams are arranged between the two groups of edge beams and are fixedly connected with the edge beams, symmetrically distributed rotating shafts are rotationally connected in the edge beams, when the device is used, a pushing handle is pushed to separate brake shoes from wheels, meanwhile, the other group of brake shoes are moved and separated from the wheels, a sleeve is abutted against the inner wall of the other end of a movable groove, the pushing handle is pushed continuously to push the cart to move, when a station is reached, the pushing handle is loosened, the brake shoes are returned to the wheel positions again to limit the wheels through the pretension force of a tension spring, and when the cart runs, the whole cart can be released by pushing the pushing handle; when the cart runs to a station, the whole cart can be braked only by loosening the push handle, so that the cart is effectively prevented from sliding down a slope.

Description

Special normalized self-braking track trolley for track traffic construction

Technical Field

The invention relates to the field of rail transit construction, in particular to a normalized self-braking rail trolley special for rail transit construction.

Background

Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. With the diversified development of train and railway technologies, rail transit is more and more types, and is not only distributed in long-distance land transportation, but also widely applied to medium-short distance urban public transportation. In the rail transportation industry, a large amount of materials, tools and small equipment need to be transported in the stages of rail construction, electrification installation, operation maintenance and the like.

The rail type small flat car is improved aiming at the prior art, and the rail type small flat car can transfer the material equipment conveniently and conveniently; the conventional rail-mounted cart realizes braking by means of a braking iron shoe or a manual braking mechanism, is poor in braking effect, complex in operation and inconvenient to use, can cause rail sliding, and has great safety risk.

Disclosure of Invention

The invention aims to provide a normalized self-braking track trolley special for track traffic construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a normalized self-braking track trolley special for track traffic construction comprises boundary beams and cross beams, wherein the number of the boundary beams is two, the number of the cross beams is four, the cross beams are arranged between the two boundary beams and fixedly connected with the boundary beams, the boundary beams are rotationally connected with symmetrically distributed rotating shafts, the outer walls of the rotating shafts are fixedly sleeved with wheels, a connecting shaft fixedly connected with the inner wall of the boundary beam is arranged between the two groups of wheels, the outer wall of the connecting shaft is rotationally connected with a second rotating rod, two sides of the second rotating rod are hinged with second movable rods which are centrally and symmetrically distributed, one ends, far away from the second rotating rod, of the second movable rods are provided with first movable rods, one ends, far away from the second movable rods, of the first movable rods are provided with brake shoes, one sides, far away from the first movable rods, of the brake shoes are fixedly connected with first rotating rods, and a connecting rod mechanism is arranged on the rear side of the brake shoe.

As a further scheme of the invention: the connecting rod mechanism comprises first rotating rods which are symmetrically distributed, the inner walls of the first rotating rods are rotatably connected with pin shafts fixedly connected with the inner walls of the boundary beams, the first rotating rods are hinged with the brake shoe, one ends, far away from the brake shoe, of the first rotating rods are hinged with connecting rods, the two ends, close to each other, of the connecting rods are all hooked with tension springs, and the two sets of turnbuckles are installed between the tension springs.

As a still further scheme of the invention: be provided with the connecting block between first movable rod and the second movable rod, the equal fixedly connected with threaded rod in both ends of connecting block, and two sets of threaded rods respectively with first movable rod, second movable rod threaded connection.

As a still further scheme of the invention: the equal fixedly connected with fixed axle of both sides inner wall of boundary beam, the outer wall of fixed axle rotates and is connected with the sleeve pipe, the pushing hands is installed to sheathed tube top inner wall, sheathed tube bottom fixedly connected with montant, and the montant is articulated with the connecting rod.

As a still further scheme of the invention: the mounting hole has been seted up to sheathed tube bottom, and mounting hole and fixed axle looks adaptation, the mounting groove has been seted up at sheathed tube top, mounting groove and pushing hands looks adaptation, the both sides of pushing hands are equipped with the briquetting of symmetric distribution, the bottom fixedly connected with peg graft pole of briquetting, and peg graft pole and sleeve pipe sliding connection, the peg graft pole stretches into sheathed tube one end fixedly connected with extrusion piece, the draw-in groove has all been seted up to the both sides of pushing hands, the inner wall sliding connection of draw-in groove has the fixture block, and fixture block and extrusion piece butt.

As a still further scheme of the invention: the outer wall of one end, close to the pushing handle, of the clamping block is fixedly sleeved with a fixed plate, the fixed plate is fixedly connected with the sleeve, a movable plate in sliding connection with the sleeve is arranged on one side, close to the extrusion block, of the fixed plate, the movable plate is fixedly connected with the clamping block, a second spring is sleeved on the outer wall of the clamping block, one end of the second spring is fixedly connected with the movable plate, and the other end of the second spring is fixedly connected with the fixed plate.

As a still further scheme of the invention: the bottom fixedly connected with of briquetting and the first spring that the inserted bar cup jointed, and the other end and the sleeve pipe fixed connection of first spring, the top butt of briquetting has the round pin axle, the spacing groove has all been seted up to the both sides of pushing hands, the shape of spacing groove is the J shape, the inner wall sliding connection of spacing groove has the gag lever post, gag lever post and briquetting top butt, the top of briquetting is seted up flutedly, and recess and gag lever post looks adaptation.

As a still further scheme of the invention: the movable grooves are formed in two sides of the top of the boundary beam, and the inner walls of the movable grooves are connected with the sleeve in a sliding mode.

Compared with the prior art, the invention has the beneficial effects that:

1. when the device is used, the pushing handle is pushed, the pushing handle drives the sleeve to rotate along the fixed shaft, the sleeve rotates to drive the vertical rod to rotate so as to drive the connecting rod to rotate, the connecting rod enables the first rotating rod to rotate and drive the brake shoe to move, the brake shoe is separated from a wheel, meanwhile, the brake shoe drives the first movable rod, the second movable rod and the second rotating rod to rotate, another group of brake shoes are moved and separated from the wheel, the sleeve is abutted against the inner wall of the other end of the movable groove at the moment, the pushing handle is pushed continuously to push the cart to move, when the working position is reached, the pushing handle is loosened, the brake shoe is enabled to return to the wheel again through the pre-tension force of the tension spring to limit the brake shoe, and the whole cart can be braked just by pushing the pushing handle; when the cart runs to a station, the whole cart can be braked only by loosening the push handle, so that the cart is effectively prevented from sliding down a slope;

2. in the invention, when the pushing handle is installed, the pushing handle is pushed to enable two ends of the pushing handle to respectively enter the installation grooves on the two sets of sleeves, when the pushing handle reaches the inner wall of the bottom of the installation groove, the fixture block and the clamping groove are positioned at the same height position, at the same time, the pressing block is pressed to enable the pressing block to push the insertion rod to move, further, the extrusion block pushes the fixture block to move, the fixture block enters the clamping groove to limit the pushing handle, meanwhile, the first spring and the second spring both shrink, the limiting rod is pushed to move to the left side of the limiting groove after downwards moving the limiting rod, at the moment, the limiting groove enters the groove at the top of the pressing block, due to the reset action of the first spring and the second spring, the pressing block props against the limiting rod, meanwhile, the limiting groove limits the limiting rod, further limits the fixture block, the operation is convenient, the installation and the disassembly of the pushing handle are convenient, the sleeves are arranged on two sides of the side beams, so that the pushing handle can be installed on one of the two sides, convenient and labor-saving.

Drawings

Fig. 1 is a schematic structural diagram of a normalized self-braking track trolley specially used for track traffic construction.

Fig. 2 is a schematic view of the installation of a cross beam in a normalized self-braking track trolley specially used for track traffic construction.

Fig. 3 is a schematic view of the installation of a pushing handle in a normalized self-braking track trolley specially used for track traffic construction.

Fig. 4 is an enlarged view of fig. 1 at a point a in a normalized self-braking track trolley for track traffic construction.

Fig. 5 is an enlarged view of fig. 1 at B in a normalized self-braking track trolley for track traffic construction.

Fig. 6 is an enlarged view of fig. 3 at C of a track trolley for track traffic construction.

The labels in the figure are:

the brake shoe comprises a boundary beam 1, a link mechanism 2, a rotating shaft 3, a wheel 4, a connecting rod 5, a tension spring 6, a vertical rod 7, a fixed shaft 8, a second spring 9, a sleeve 10, a first rotating rod 11, a brake shoe 12, a first movable rod 13, a connecting block 14, a threaded rod 15, a second movable rod 16, a second rotating rod 17, a connecting shaft 18, a pushing handle 19, a movable groove 20, a limiting groove 21, a limiting rod 22, a turnbuckle 23, a fixed plate 24, a clamping groove 25, a cross beam 26, a mounting groove 27, a mounting hole 28, a pin shaft 29, a pressing block 30, a first spring 31, an inserting rod 32, an extrusion block 33, a clamping block 34 and a movable plate 35.

Detailed Description

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

Referring to fig. 1 to 6, in the embodiment of the present invention, a normalized self-braking track trolley specially used for track traffic construction includes two sets of edge beams 1 and four sets of cross beams 26, the four sets of cross beams 26 are disposed between the two sets of edge beams 1, the cross beams 26 are fixedly connected to the edge beams 1, the edge beams 1 are rotatably connected to symmetrically distributed rotating shafts 3, wheels 4 are fixedly sleeved on outer walls of the rotating shafts 3, a connecting shaft 18 fixedly connected to an inner wall of the edge beam 1 is disposed between the two sets of wheels 4, an outer wall of the connecting shaft 18 is rotatably connected to a second rotating rod 17, two sides of the second rotating rod 17 are hinged to symmetrically distributed second movable rods 16, one end of the second movable rod 16 far away from the second rotating rod 17 is mounted with a first movable rod 13, one end of the first movable rod 13 far away from the second movable rod 16 is mounted with a brake shoe 12, one side of the brake 12 far away from the first movable rod 13 is fixedly connected to a first rotating rod 11, the rear side of the brake shoe 12 is provided with a linkage 2.

Referring to fig. 1, the link mechanism 2 includes first bull stick 11 of symmetric distribution, and first bull stick 11 inner wall rotates and is connected with the round pin axle 29 with 1 inner wall fixed connection of boundary beam, and first bull stick 11 is articulated with brake shoe 12, and the one end that brake shoe 12 was kept away from to first bull stick 11 articulates there is connecting rod 5, and the one end that two sets of connecting rods 5 are close to each other all colludes extension spring 6, installs turnbuckle 23 between two sets of extension springs 6.

Referring to fig. 1, a connecting block 14 is disposed between the first movable rod 13 and the second movable rod 16, threaded rods 15 are fixedly connected to both ends of the connecting block 14, and the two sets of threaded rods 15 are respectively in threaded connection with the first movable rod 13 and the second movable rod 16.

Referring to fig. 1, the inner walls of the two sides of the side beam 1 are fixedly connected with a fixing shaft 8, the outer wall of the fixing shaft 8 is rotatably connected with a sleeve 10, a pushing handle 19 is installed on the inner wall of the top of the sleeve 10, a vertical rod 7 is fixedly connected to the bottom of the sleeve 10, and the vertical rod 7 is hinged to the connecting rod 5.

Referring to fig. 3 and 6, mounting hole 28 has been seted up to the bottom of sleeve pipe 10, and mounting hole 28 and the adaptation of fixed axle 8 looks, mounting groove 27 has been seted up at the top of sleeve pipe 10, mounting

groove

27 and 19 looks adaptations of pushing hands, the both sides of pushing hands 19 are equipped with symmetric distribution's briquetting 30, the bottom fixedly connected with peg graft pole 32 of briquetting 30, and peg graft pole 32 and sleeve pipe 10 sliding connection, peg graft pole 32 stretches into sleeve pipe 10's one end fixedly connected with extrusion piece 33, draw-in groove 25 has all been seted up to the both sides of pushing hands 19, the inner wall sliding connection of draw-in groove 25 has fixture block 34, and fixture block 34 and extrusion piece 33 butt.

Referring to fig. 6, the fixed plate 24 is fixedly sleeved on the outer wall of one end of the fixture block 34 close to the pushing handle 19, the fixed plate 24 is fixedly connected with the sleeve 10, the movable plate 35 slidably connected with the sleeve 10 is arranged on one side of the fixed plate 24 close to the pressing block 33, the movable plate 35 is fixedly connected with the fixture block 34, the second spring 9 is sleeved on the outer wall of the fixture block 34, one end of the second spring 9 is fixedly connected with the movable plate 35, and the other end of the second spring 9 is fixedly connected with the fixed plate 24.

Referring to fig. 5 and 6, the bottom fixedly connected with of briquetting 30 and the first spring 31 that grafting pole 32 cup jointed, and the other end and the sleeve pipe 10 fixed connection of first spring 31, the top butt of briquetting 30 has round pin axle 29, spacing groove 21 has all been seted up to pushing hands 19's both sides, the shape of spacing groove 21 is the J-shaped, the inner wall sliding connection of spacing groove 21 has gag lever post 22, gag lever post 22 and the butt of briquetting 30 top, the top of briquetting 30 is seted up flutedly, and recess and gag lever post 22 looks adaptation.

Referring to fig. 5, the two sides of the top of the edge beam 1 are both provided with movable grooves 20, and the inner walls of the movable grooves 20 are slidably connected with the sleeves 10.

The working principle of the invention is as follows:

in the application, when the trolley is used, the pushing handle 19 is pushed, the pushing handle 19 drives the sleeve 10 to rotate along the fixed shaft 8, the sleeve 10 rotates to drive the vertical rod 7 to rotate so as to drive the connecting rod 5 to rotate, the connecting rod 5 enables the first rotating rod 11 to rotate and drive the brake shoe 12 to move, the brake shoe 12 is separated from the wheel 4, meanwhile, the brake shoe 12 drives the first movable rod 13, the second movable rod 16 and the second rotating rod 17 to rotate, the other group of brake shoes 12 moves and is separated from the wheel 4, at the moment, the sleeve 10 abuts against the inner wall of the other end of the movable groove 20, the trolley can be pushed to move by continuously pushing the pushing handle 19, when the trolley arrives at a station, the pushing handle 19 is loosened, at the moment, the brake shoe 12 returns to the wheel 4 again through the pre-tensioning force of the tension spring 6 to limit the position of the wheel 4, and the trolley runs for removing the braking of the whole trolley only by pushing handle 19; when the cart runs to a station, the braking of the whole cart can be realized only by loosening the push handle 19, so that the cart is effectively prevented from sliding down a slope;

in the application, when the pushing handle 19 is installed, the pushing handle 19 is pushed to enable two ends of the pushing handle 19 to enter the installation grooves 27 on the two sets of sleeves 10 respectively, when the pushing handle 19 reaches the inner wall of the bottom of the installation groove 27, the clamping block 34 and the clamping groove 25 are located at the same height position, at the same time, the pressing block 30 is pressed to enable the pressing block 30 to push the insertion rod 32 to move, the extrusion block 33 is further enabled to push the clamping block 34 to move, the clamping block 34 enters the clamping groove 25 to limit the pushing handle 19, meanwhile, the first spring 31 and the second spring 9 are both contracted, the limiting rod 22 is pushed to enable the limiting rod 22 to move downwards and then move to the left side of the limiting groove 21, at the same time, the limiting groove 21 enters the groove at the top of the pressing block 30, due to the reset effect of the first spring 31 and the second spring 9, the pressing block 30 is enabled to push against the limiting rod 22, meanwhile, the limiting groove 21 limits the limiting rod 22, and further limits the clamping block 34, and is convenient to operate, the push handle 19 is convenient to mount and dismount, and the sleeves 10 are arranged on the two sides of the side beam 1, so that the push handle 19 can be mounted on one of the two sides conveniently and conveniently in a labor-saving manner;

in this application, the shallow is whole to adopt two sets of boundary beams 1 and four groups of crossbeams 26 to constitute, adopts special steel processing to form, and whole car light in weight bears greatly, strong adaptability.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a track traffic construction special use normalizes from braking formula track handcart, includes boundary beam (1) and crossbeam (26), its characterized in that: the quantity of boundary beam (1) is two sets of, the quantity of crossbeam (26) is four groups, four groups crossbeam (26) set up in two sets between boundary beam (1), and crossbeam (26) and boundary beam (1) fixed connection, boundary beam (1) internal rotation is connected with the pivot (3) of symmetric distribution, wheel (4) have been cup jointed to the outer wall of pivot (3) is fixed, two groups be provided with connecting axle (18) with boundary beam (1) inner wall fixed connection between wheel (4), the outer wall rotation of connecting axle (18) is connected with second bull stick (17), the both sides of second bull stick (17) articulate has central symmetric distribution's second movable rod (16), second movable rod (16) are kept away from the one end of second bull stick (17) and are installed first movable rod (13), the one end that second movable rod (16) was kept away from to first movable rod (13) is installed brake shoe (12), one side fixedly connected with first bull stick (11) that first movable rod (13) was kept away from in brake shoe (12), the rear side of brake shoe (12) is provided with link mechanism (2).

2. The normalized self-braking track trolley special for track traffic construction according to claim 1, wherein: link mechanism (2) are including first bull stick (11) of symmetric distribution, first bull stick (11) inner wall rotates and is connected with round pin axle (29) with boundary beam (1) inner wall fixed connection, and first bull stick (11) are articulated with brake shoe (12), the one end that brake shoe (12) were kept away from in first bull stick (11) articulates there is connecting rod (5), and is two sets of connecting rod (5) one end that is close to each other all colludes and has extension spring (6), and is two sets of install basket of flowers screw (23) between extension spring (6).

3. The normalized self-braking track trolley special for track traffic construction according to claim 1, wherein: be provided with connecting block (14) between first movable rod (13) and second movable rod (16), the equal fixedly connected with threaded rod (15) in both ends of connecting block (14), and two sets of threaded rod (15) respectively with first movable rod (13), second movable rod (16) threaded connection.

4. The normalized self-braking track trolley special for track traffic construction according to claim 1, wherein: the equal fixedly connected with fixed axle (8) of both sides inner wall of boundary beam (1), the outer wall of fixed axle (8) rotates and is connected with sleeve pipe (10), pushing hands (19) are installed to the top inner wall of sleeve pipe (10), the bottom fixedly connected with montant (7) of sleeve pipe (10), and montant (7) are articulated with connecting rod (5).

5. The normalized self-braking track trolley special for track traffic construction as claimed in claim 4, wherein: mounting hole (28) have been seted up to the bottom of sleeve pipe (10), and mounting hole (28) and fixed axle (8) looks adaptation, mounting groove (27) have been seted up at the top of sleeve pipe (10), mounting groove (27) and pushing hands (19) looks adaptation, the both sides of pushing hands (19) are equipped with symmetric distribution's briquetting (30), the bottom fixedly connected with peg graft pole (32) of briquetting (30), and peg graft pole (32) and sleeve pipe (10) sliding connection, the one end fixedly connected with extrusion block (33) of sleeve pipe (10) are stretched into in peg graft pole (32), draw-in groove (25) have all been seted up to the both sides of pushing hands (19), the inner wall sliding connection of draw-in groove (25) has fixture block (34), and fixture block (34) and extrusion block (33) butt.

6. The normalized self-braking track trolley special for track traffic construction as claimed in claim 5, wherein: the fixed cover of fixture block (34) near the one end outer wall of pushing hands (19) has connect fixed plate (24), and fixed plate (24) and sleeve pipe (10) fixed connection, one side that fixed plate (24) are close to extrusion piece (33) is equipped with sleeve pipe (10) sliding connection's fly leaf (35), and fly leaf (35) and fixture block (34) fixed connection, the outer wall of fixture block (34) has cup jointed second spring (9), the one end and fly leaf (35) fixed connection of second spring (9), and the other end and fixed plate (24) fixed connection of second spring (9).

7. The normalized self-braking track trolley special for track traffic construction as claimed in claim 5, wherein: the bottom fixedly connected with of briquetting (30) and peg graft first spring (31) that pole (32) cup jointed, and the other end and sleeve pipe (10) fixed connection of first spring (31), the top butt of briquetting (30) has round pin axle (29), spacing groove (21) have all been seted up to the both sides of pushing hands (19), the shape of spacing groove (21) is the J shape, the inner wall sliding connection of spacing groove (21) has gag lever post (22), gag lever post (22) and briquetting (30) top butt, the top of briquetting (30) is seted up flutedly, and recess and gag lever post (22) looks adaptation.

8. The normalized self-braking track trolley special for track traffic construction according to claim 1, wherein: the movable groove (20) is formed in each of two sides of the top of the edge beam (1), and the inner wall of each movable groove (20) is connected with the corresponding sleeve (10) in a sliding mode.