CN113830130B - Normalized self-braking track trolley special for track traffic construction - Google Patents
Normalized self-braking track trolley special for track traffic construction Download PDFInfo
- Publication number
- CN113830130B CN113830130B CN202111197869.6A CN202111197869A CN113830130B CN 113830130 B CN113830130 B CN 113830130B CN 202111197869 A CN202111197869 A CN 202111197869A CN 113830130 B CN113830130 B CN 113830130B
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- rod
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- movable
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000010606 normalization Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D3/00—Wagons or vans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/02—Hand or other personal actuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/20—Transmitting mechanisms
- B61H13/22—Transmitting mechanisms for braking a single wheel or wheels at one side only, e.g. for locomotives or motor railcars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/34—Details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Handcart (AREA)
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 invention comprises side beams and cross beams, wherein the number of the side beams is two, the number of the cross beams is four, the four cross beams are arranged between the two side beams, the cross beams are fixedly connected with the side beams, the side beams are rotationally connected with symmetrically distributed rotating shafts, when in use, a pushing handle is pushed to separate a brake shoe from a wheel, and simultaneously the other group of brake shoe is moved and separated from the wheel, a sleeve is abutted with the inner wall of the other end of a movable groove to continuously push the pushing handle so as to push the cart to move, when the sleeve reaches a station, the pushing handle is released, the brake shoe returns to the wheel again to limit the wheel by the pretension of a tension spring, and the whole cart can be released only by pushing the pushing handle; when the trolley runs to the station, the whole vehicle can be braked only by loosening the pushing handle, so that the trolley is effectively prevented from sliding on a slope.
Description
Technical Field
The invention relates to the field of track traffic construction, in particular to a normalized self-braking track trolley special for track traffic construction.
Background
Rail traffic refers to a type of vehicle or transportation system in which an operating vehicle needs to travel on a particular track. The most typical rail traffic is a railway system consisting of conventional trains and standard railroads. With the diversification development of train and railway technologies, rail traffic is of more and more types, and is widely applied to urban public transportation in medium and short distances as well as land transportation in long distances. In the stages of track construction, electrified installation, operation and maintenance and the like in the track traffic industry, a large amount of materials, tools and small-sized equipment need to be transported.
The rail type trolley is improved aiming at the prior art, and the rail type trolley can conveniently and conveniently transport the material equipment; the existing track type trolley realizes braking by means of braking iron shoes or a manual braking mechanism, has poor braking effect, complex operation and inconvenient use, can cause track 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 above purpose, the present invention provides the following technical solutions:
the utility model provides a special normalization is from braking formula track handcart of track traffic construction, includes boundary beam and crossbeam, the quantity of boundary beam is two sets of, the quantity of crossbeam is four sets of the crossbeam sets up in two sets of between the boundary beam, and crossbeam and boundary beam fixed connection, the boundary beam internal rotation is connected with symmetrical distribution's pivot, the fixed wheel that has cup jointed of outer wall of pivot, two sets of be provided with between the wheel with boundary beam inner wall fixed connection's connecting axle, the outer wall rotation of connecting axle is connected with the second bull stick, the second bull stick both sides articulates there is the second movable rod of central symmetry distribution, first movable rod is installed to the one end that the second movable rod was kept away from to the second movable rod, the brake shoe is installed to the one side that the first movable rod was kept away from to the brake shoe, the rear side of brake shoe is provided with link mechanism.
As a further scheme of the invention: the connecting rod mechanism comprises symmetrically distributed first rotating rods, pin shafts fixedly connected with the inner walls of edge beams are rotatably connected to the inner walls of the first rotating rods, the first rotating rods are hinged to the brake shoes, connecting rods are hinged to one ends, far away from the brake shoes, of the first rotating rods, tension springs are hooked to one ends, close to each other, of the connecting rods, and turnbuckle screws are arranged between the two groups of tension springs.
As still further aspects of the invention: a connecting block is arranged between the first movable rod and the second movable rod, threaded rods are fixedly connected to two ends of the connecting block, and the two groups of threaded rods are respectively in threaded connection with the first movable rod and the second movable rod.
As still further aspects of the invention: the side beam comprises a side beam body and is characterized in that fixed shafts are fixedly connected to the inner walls of the two sides of the side beam body, a sleeve is connected to the outer wall of the fixed shaft in a rotating mode, a pushing handle is arranged on the inner wall of the top of the sleeve, a vertical rod is fixedly connected to the bottom of the sleeve, and the vertical rod is hinged to the connecting rod.
As still further aspects of the invention: the utility model discloses a telescopic handle, including sheathed tube bottom, fixed axle, mounting groove, push away the hand looks adaptation, the both sides of pushing away the hand are equipped with symmetrical distribution's briquetting, the bottom fixedly connected with spliced pole of briquetting, and spliced pole and sleeve pipe sliding connection, spliced 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 away the hand, the inner wall sliding connection of draw-in groove has the fixture block, and fixture block and extrusion piece butt.
As still further aspects of the invention: the clamping block is close to the fixed plate that has cup jointed of one end outer wall of pushing hands, and fixed plate and sleeve pipe fixed connection, one side that the fixed plate is close to the extrusion piece is equipped with the fly leaf with sleeve pipe sliding connection, and fly leaf and clamping block fixed connection, the second spring has been cup jointed to the outer wall of clamping block, the one end and the fly leaf fixed connection of second spring, and the other end and the fixed plate fixed connection of second spring.
As still further aspects of the invention: the bottom fixedly connected with of briquetting and plug rod cup joint first spring, 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 recess has been seted up at the top of briquetting, and recess and gag lever post looks adaptation.
As still further aspects of the invention: the movable grooves are formed in two sides of the top of the side 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 trolley is used, the pushing handle is pushed, the sleeve is driven to rotate along the fixed shaft by the pushing handle, the sleeve rotates to drive the vertical rod to rotate so as to drive the connecting rod to rotate, the first rotating rod rotates and drives the brake shoe to move, the brake shoe is separated from the wheel, meanwhile, the brake shoe drives the first movable rod, the second movable rod and the second rotating rod to rotate, the other group of brake shoes move and are separated from the wheel, at the moment, the sleeve is abutted with the inner wall of the other end of the movable groove, the pushing handle is continuously pushed to push the trolley to move, when the trolley reaches a station, the pushing handle is released, at the moment, the brake shoe returns to the wheel again to limit the trolley through the pretension force of the tension spring, and the whole trolley can be released only by pushing the pushing handle at the beginning of running; when the trolley runs to a station, the whole vehicle can be braked only by loosening the pushing handle, so that the trolley is effectively prevented from sliding on a slope;
2. according to the invention, when the pushing hands are installed, the pushing hands are pushed to enable the two ends of the pushing hands to enter the installation grooves on the two groups of sleeves respectively, when the pushing hands reach the inner walls of the bottoms of the installation grooves, the clamping blocks and the clamping grooves are located at the same height position, at the moment, the pressing blocks are pressed to enable the pressing blocks to push the inserting rods to move, the pressing blocks are further enabled to push the clamping blocks to move, the clamping blocks enter the clamping grooves to limit the pushing hands, meanwhile, the first springs and the second springs are contracted, the limiting rods are pushed to enable the limiting rods to move downwards firstly and then to move to the left side of the limiting grooves, at the moment, the limiting grooves enter the grooves at the tops of the pressing blocks, the pressing blocks are enabled to prop against the limiting rods due to the reset effect of the first springs and the second springs, meanwhile, the limiting grooves limit the clamping blocks, and then limit the clamping blocks, so that the operation is facilitated, the installation and the dismounting of the pushing hands are facilitated, and the sleeve is arranged on both sides of the side beams, so that the pushing hands can be installed on one side by two sides, and convenience and labor are saved.
Drawings
Fig. 1 is a schematic structural diagram of a normalized self-braking track trolley special for track traffic construction.
Fig. 2 is a schematic diagram of the installation of a beam in a normalized self-braking track trolley special for track traffic construction.
Fig. 3 is a schematic diagram of the installation of a push handle in a normalized self-braking track trolley special for track traffic construction.
Fig. 4 is an enlarged view at a in fig. 1 of a normalized self-braking track trolley special for track traffic construction.
Fig. 5 is an enlarged view of a portion B of fig. 1 of a normalized self-braking track trolley for use in track traffic construction.
Fig. 6 is an enlarged view of the portion C of fig. 3 of a normalized self-braking track trolley specially adapted for track traffic construction.
The marks in the figure:
the side beam 1, the link mechanism 2, the rotating shaft 3, the wheels 4, the connecting rod 5, the tension spring 6, the vertical rod 7, the fixed shaft 8, the second spring 9, the sleeve 10, the first rotating rod 11, the brake shoe 12, the first movable rod 13, the connecting block 14, the threaded rod 15, the second movable rod 16, the second rotating rod 17, the connecting shaft 18, the pushing handle 19, the movable groove 20, the limiting groove 21, the limiting rod 22, the turnbuckle 23, the fixed plate 24, the clamping groove 25, the cross beam 26, the mounting groove 27, the mounting hole 28, the pin shaft 29, the pressing block 30, the first spring 31, the inserting rod 32, the pressing block 33, the clamping block 34 and the movable plate 35.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, in the embodiment of the invention, a normalized self-braking track trolley special for track traffic construction comprises two groups of side beams 1 and four groups of cross beams 26, wherein the four groups of cross beams 26 are arranged between the two groups of side beams 1, the cross beams 26 are fixedly connected with the side beams 1, a rotating shaft 3 which is symmetrically distributed is rotationally connected with the side beams 1, wheels 4 are fixedly sleeved on the outer wall of the rotating shaft 3, a connecting shaft 18 which is fixedly connected with the inner wall of the side beams 1 is arranged between the two groups of wheels 4, a second rotating rod 17 is rotationally connected with the outer wall of the connecting shaft 18, two sides of the second rotating rod 17 are hinged with second movable rods 16 which are symmetrically distributed in center, one end of the second movable rod 16 far away from the second rotating rod 17 is provided with a first movable rod 13, one end of the first movable rod 13 far away from the second movable rod 16 is provided with a brake shoe 12, one side of the brake shoe 12 far away from the first movable rod 13 is fixedly connected with the first rotating rod 11, and the rear side of the brake shoe 12 is provided with a connecting rod mechanism 2.
Referring to fig. 1, the link mechanism 2 includes a first rotating rod 11 symmetrically distributed, a pin shaft 29 fixedly connected with the inner wall of the boundary beam 1 is rotatably connected to the inner wall of the first rotating rod 11, the first rotating rod 11 is hinged to a brake shoe 12, one end, far away from the brake shoe 12, of the first rotating rod 11 is hinged to a connecting rod 5, two groups of connecting rods 5 are hooked with tension springs 6 at the ends close to each other, and a turnbuckle 23 is installed between the two groups of tension springs 6.
Referring to fig. 1, a connection block 14 is disposed between the first movable rod 13 and the second movable rod 16, two ends of the connection block 14 are fixedly connected with threaded rods 15, and 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 both sides of the side beam 1 are fixedly connected with a fixed shaft 8, the outer wall of the fixed shaft 8 is rotatably connected with a sleeve 10, a pushing handle 19 is mounted on the inner wall of the top of the sleeve 10, the bottom of the sleeve 10 is fixedly connected with a vertical rod 7, and the vertical rod 7 is hinged with the connecting rod 5.
Referring to fig. 3 and 6, the bottom of the sleeve 10 is provided with a mounting hole 28, the mounting hole 28 is matched with the fixed shaft 8, the top of the sleeve 10 is provided with a mounting groove 27, the mounting groove 27 is matched with the pushing hand 19, two sides of the pushing hand 19 are provided with symmetrically distributed pressing blocks 30, the bottom of the pressing blocks 30 is fixedly connected with a plugging rod 32, the plugging rod 32 is slidably connected with the sleeve 10, one end of the plugging rod 32 extending into the sleeve 10 is fixedly connected with a squeezing block 33, two sides of the pushing hand 19 are provided with clamping grooves 25, the inner wall of the clamping groove 25 is slidably connected with clamping blocks 34, and the clamping blocks 34 are abutted with the squeezing blocks 33.
Referring to fig. 6, the outer wall of one end of the clamping block 34, which is close to the pushing handle 19, is fixedly sleeved with the fixing plate 24, the fixing plate 24 is fixedly connected with the sleeve 10, a movable plate 35 which is in sliding connection with the sleeve 10 is arranged on one side of the fixing plate 24, which is close to the extrusion block 33, the movable plate 35 is fixedly connected with the clamping block 34, the outer wall of the clamping block 34 is sleeved with the second spring 9, 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 fixing plate 24.
Referring to fig. 5 and 6, a first spring 31 sleeved with a plugging rod 32 is fixedly connected to the bottom of a pressing block 30, the other end of the first spring 31 is fixedly connected with a sleeve 10, a pin shaft 29 is abutted to the top of the pressing block 30, limiting grooves 21 are formed in two sides of a pushing handle 19, the limiting grooves 21 are J-shaped, limiting rods 22 are slidably connected to the inner walls of the limiting grooves 21, the limiting rods 22 are abutted to the tops of the pressing block 30, grooves are formed in the tops of the pressing block 30, and the grooves are matched with the limiting rods 22.
Referring to fig. 5, movable grooves 20 are formed on both sides of the top of the side beam 1, and the inner walls of the movable grooves 20 are slidably connected with the sleeve 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 drives the first rotating rod 11 to rotate and drives the brake shoe 12 to move, so that 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 move and are separated from the wheel 4, at the moment, the sleeve 10 is abutted with the inner wall of the other end of the movable groove 20, the pushing handle 19 is continuously pushed, the trolley can be pushed to move, when the trolley reaches a station, the pushing handle 19 is released, at the moment, the brake shoe 12 returns to the wheel 4 again to limit the trolley through the pretension of the tension spring 6, and the whole trolley can be released by pushing the pushing handle 19 at the beginning of operation; when the trolley runs to a station, the whole vehicle can be braked only by loosening the push handle 19, so that the trolley is effectively prevented from sliding on a slope;
in the application, when the pushing handle 19 is installed, pushing the pushing handle 19 to enable two ends of the pushing handle 19 to respectively enter the installation grooves 27 on the two groups of sleeves 10, when the pushing handle 19 reaches the bottom inner wall of the installation groove 27, the clamping blocks 34 and the clamping grooves 25 are located at the same height position, at the moment, the pressing block 30 is pressed to enable the pressing block 30 to push the inserting connection rod 32 to move, then the pressing block 33 is enabled to push the clamping blocks 34 to move, the clamping blocks 34 enter the clamping grooves 25 to limit the pushing handle 19, meanwhile, the first springs 31 and the second springs 9 are contracted, the toggle limiting rod 22 firstly enables the limiting rod 22 to move downwards and then moves to the left side of the limiting groove 21, at the moment, the limiting groove 21 enters the groove at the top of the pressing block 30, the limiting groove 21 is enabled to prop against the limiting rod 22 due to the reset effect of the first springs 31 and the second springs 9, and meanwhile the limiting groove 21 is used for limiting the limiting of the limiting rod 22, the clamping blocks 34 are further limited, the operation is facilitated, and the sleeve 19 is conveniently installed and disassembled through the side beams 1, and the sleeve 19 can be conveniently and quickly installed;
in this application, the shallow wholly adopts two sets of boundary beams 1 and four sets 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 with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. The utility model provides a special normalization self-braking formula track handcart of track traffic construction, includes boundary beam (1) and crossbeam (26), its characterized in that: the number of the side beams (1) is two, the number of the cross beams (26) is four, the cross beams (26) are arranged between the two groups of the side beams (1), the cross beams (26) are fixedly connected with the side beams (1), a rotating shaft (3) which is symmetrically distributed is rotationally connected with the side beams (1), wheels (4) are fixedly sleeved on the outer wall of the rotating shaft (3), connecting shafts (18) which are fixedly connected with the inner wall of the side beams (1) are arranged between the two groups of the wheels (4), a second rotating rod (17) is rotationally connected with the outer wall of the connecting shafts (18), second movable rods (16) which are symmetrically distributed in center are hinged to the two sides of the second rotating rod (17), one end of each second movable rod (16) is far away from each second rotating rod (17) is provided with a first movable rod (13), one end of each first movable rod (13) is far away from each second movable rod (16) is provided with a brake shoe (12), one side of each brake shoe (12) is fixedly connected with a first rotating rod (11) which is far from each first rotating rod (11), each second rotating rod (11) is fixedly connected with a first rotating rod (11) which is arranged on one side of the first rotating rod (11), and the first rotating rod (11) is hinged with the brake shoe (12), one end of the first rotating rod (11) far away from the brake shoe (12) is hinged with a connecting rod (5), two groups of connecting rods (5) are hooked with tension springs (6), two groups of tension springs (6) are provided with turnbuckle screws (23) therebetween, the inner walls of two sides of the side beams (1) are fixedly connected with a fixed shaft (8), the outer wall of the fixed shaft (8) is rotationally connected with a sleeve (10), the inner wall of the top of the sleeve (10) is provided with a pushing handle (19), the bottom of the sleeve (10) is fixedly connected with a vertical rod (7), the vertical rod (7) is hinged with the connecting rod (5), the bottom of the sleeve (10) is provided with a mounting hole (28), the mounting hole (28) is matched with the fixed shaft (8), the top of the sleeve (10) is provided with a mounting groove (27), two sides of the side beams (19) are fixedly connected with a symmetrical pressing block (30), the bottom of the sleeve (10) is fixedly connected with a pushing rod (32) and the pushing rod (32) is fixedly connected with a plug-in sleeve (32), clamping grooves (25) are formed in two sides of the pushing hand (19), clamping blocks (34) are slidably connected to the inner walls of the clamping grooves (25), the clamping blocks (34) are abutted to the extrusion blocks (33), first springs (31) sleeved with the plug-in rods (32) are fixedly connected to the bottoms of the pressing blocks (30), the other ends of the first springs (31) are fixedly connected with the sleeves (10), limit grooves (21) are formed in two sides of the pushing hand (19), the limit grooves (21) are J-shaped, limit rods (22) are slidably connected to the inner walls of the limit grooves (21), the limit rods (22) are abutted to the tops of the pressing blocks (30), and grooves are formed in the tops of the pressing blocks (30) and are matched with the limit rods (22).
2. The normalized self-braking track cart for track traffic construction according to claim 1, wherein: connecting blocks (14) are arranged between the first movable rods (13) and the second movable rods (16), threaded rods (15) are fixedly connected to two ends of each connecting block (14), and the two groups of threaded rods (15) are respectively in threaded connection with the first movable rods (13) and the second movable rods (16).
3. The normalized self-braking track cart for track traffic construction according to claim 1, wherein: the utility model discloses a handle, including fixed plate (24) and fixed plate (24), fixed plate (24) and sleeve pipe (10) fixed connection, fixed plate (24) are close to one side of extrusion piece (33) be equipped with sleeve pipe (10) sliding connection's fly leaf (35), and fly leaf (35) and fixture block (34) fixed connection, second spring (9) have been cup jointed to the outer wall of fixture block (34), the one end and the fly leaf (35) fixed connection of second spring (9), and the other end and the fixed plate (24) fixed connection of second spring (9).
4. The normalized self-braking track cart for track traffic construction according to claim 1, wherein: the movable grooves (20) are formed in two sides of the top of the side beam (1), and the inner walls of the movable grooves (20) are in sliding connection with the sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197869.6A CN113830130B (en) | 2021-10-14 | 2021-10-14 | Normalized self-braking track trolley special for track traffic construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197869.6A CN113830130B (en) | 2021-10-14 | 2021-10-14 | Normalized self-braking track trolley special for track traffic construction |
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| Publication Number | Publication Date |
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| CN113830130A CN113830130A (en) | 2021-12-24 |
| CN113830130B true CN113830130B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111197869.6A Active CN113830130B (en) | 2021-10-14 | 2021-10-14 | Normalized self-braking track trolley special for track traffic construction |
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| CN115649803B (en) * | 2022-07-04 | 2024-07-09 | 国网浙江省电力有限公司温州供电公司 | Multifunctional intelligent climbing rail transport vehicle |
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2021
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|---|---|---|---|---|
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| EP3800106A1 (en) * | 2019-10-03 | 2021-04-07 | C.G.L. | Mechanical brake system for a bogie of a wagon for goods traffic |
| CN211107369U (en) * | 2019-10-11 | 2020-07-28 | 武汉励耕果园机械有限公司 | Automatic brake device and rail transport vehicle |
| CN111688755A (en) * | 2020-06-30 | 2020-09-22 | 郑州美俊机械设备有限公司 | Brake equipment of underground coal mine transport vehicle |
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| CN113830130A (en) | 2021-12-24 |
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