CN211522687U

CN211522687U - BWG turnout elastic roller mounting and dismounting device

Info

Publication number: CN211522687U
Application number: CN201922104632.3U
Authority: CN
Inventors: 李鑫; 王益明; 汪琼
Original assignee: Ningbo Sihe Jingchuang Railway Equipment Co ltd
Current assignee: Ningbo Sihe Jingchuang Railway Equipment Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-18
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a BWG switch elastic roller loader, which is used for replacing the elastic roller on a clamping handle, and comprises a base, a support pillar, a fixed plate hydraulic cylinder and a hydraulic pump, wherein the base is provided with a through hole, and the diameter of the through hole is larger than that of the elastic roller; the number of the top columns is at least two, the base is fixed at the bottom end of the top column, and the fixing plate is fixed at the top end of the top column; the hydraulic cylinder is fixed at the bottom of the fixing plate and comprises a cylinder body and a piston rod in sliding fit with the cylinder body, the bottom end of the piston rod is detachably connected with a pressing block used for pressing the elastic roller into the clamping handle or a pushing block used for pushing the elastic roller out of the clamping handle, the piston rod and the through hole are arranged on the same axis, and a space for placing the clamping handle is arranged between the piston rod and the base; the hydraulic pump drives the piston rod to extend. The utility model discloses possess simple structure, work efficiency height and convenient operation's advantage.

Description

BWG turnout elastic roller mounting and dismounting device

Technical Field

The utility model relates to a switch conversion technology field, in particular to BWG switch running roller takes out outfit.

Background

Along with the rapid development of railways, DWG turnouts are mainly converted through resilient rollers in the construction process of high-speed rails, friction generated in the action process is mainly linear contact rolling friction, and compared with other types of metal surfaces, the DWG turnouts are smaller in relative friction resistance and more suitable for the running environment of the high-speed rails, and trains are more stable when passing through the DWG turnouts, so that the BWG turnouts are widely applied to conversion of the turnouts in the high-speed rails.

As the elastic roller of the clamping handle (generally called as 'dog head' in the technical field) in the BWG turnout works for a certain time limit, the aging and abrasion phenomena can occur, and the turnout conversion precision is seriously influenced. To the elastic roller, it is comparatively accurate to be connected between elastic roller and the clamp handle, can't directly change at the railway scene, must send back former factory with the clamp handle, changes elastic roller through professional equipment by former factory, sends back the in-process that former factory changed, wastes time and energy, influences work efficiency, extravagant cost of transportation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a BWG switch running roller dismouting ware that simple structure, work efficiency are high and convenient operation to prior art's defect and not enough.

The utility model provides a technical scheme that its technical problem adopted is: the BWG turnout elastic roller loader is used for replacing an elastic roller on a clamping handle, and comprises a base, a top post, a fixed plate hydraulic cylinder and a hydraulic pump, wherein the base is provided with a through hole, and the diameter of the through hole is larger than that of the elastic roller; the number of the top columns is at least two, the base is fixed at the bottom end of the top column, and the fixing plate is fixed at the top end of the top column; the hydraulic cylinder is fixed at the bottom of the fixing plate and comprises a cylinder body and a piston rod in sliding fit with the cylinder body, a pressing block for pressing the elastic roller into the clamping handle or a pushing block for pushing the elastic roller out of the clamping handle is detachably connected to the bottom end of the piston rod, the piston rod and the through hole are arranged on the same axis, and a space for placing the clamping handle is formed between the piston rod and the base; the hydraulic pump drives the piston rod to extend.

Further, the briquetting includes first installation department and the portion of impressing, set up on the first installation department with the first recess of piston rod looks adaptation, the diameter of the portion of impressing is less than the diameter of resilient roller.

Further, the ejector pad includes second installation department and propulsion portion, set up on the second installation department with the second recess of piston rod looks adaptation, the diameter of propulsion portion is less than the diameter of resilient roller.

Further, the length of the pushing part is larger than that of the pressing part.

Further, the base is in a circular truncated cone shape; the stability is improved.

Furthermore, the jacking columns are arranged in two and are arranged in parallel, so that the connection firmness between the parts is improved.

Furthermore, the hydraulic pump is rotatably connected with a handle, and when the handle is rotated, the hydraulic pump pumps oil into the cylinder body through an oil pipe.

Furthermore, an anti-slip sleeve is sleeved on the handle; the operation is convenient.

Furthermore, an oil way adjusting bolt is arranged on the hydraulic pump; the adjustment is convenient.

Furthermore, support legs are respectively fixed at the head end and the tail end of the hydraulic pump; the stability of the hydraulic pump during operation is improved.

The utility model has the advantages that: the elastic roller on the clamping handle is replaced through the BWG turnout elastic roller loader, the aim of directly replacing the elastic roller on a railway site is achieved, the problem that the elastic roller cannot be directly replaced on the railway site in the prior art is solved, and the device has the advantages that:

firstly, the base is provided with a through hole, and the diameter of the through hole is larger than that of the elastic roller wheel, so that the elastic roller wheel can be taken out conveniently;

secondly, the hydraulic cylinder is fixed at the bottom of the fixed plate and comprises a cylinder body and a piston rod in sliding fit with the cylinder body, a pressing block or a pushing block is detachably connected to the bottom end of the piston rod, and the piston rod is driven to extend out through the hydraulic pump, so that the replacing process of the elastic roller is more convenient and quicker, time and labor are saved, the working efficiency is improved, and the cost is reduced;

thirdly, the piston rod and the through hole are arranged on the same axis, so that the precision of the elastic roller wheel during replacement is improved, and the risk of damaging the elastic roller wheel or the clamping handle is reduced;

fourthly, through set up the fore-set between base and pneumatic cylinder, and be equipped with two at least, intensity is improved, guarantees the security performance to be provided with the space of placing the clamp holder between piston rod and base, make the running roller change conveniently, and easy operation.

To sum up, the utility model discloses possess simple structure, convenient operation, work efficiency height, labour saving and time saving and advantage with low costs.

Drawings

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

Fig. 2 is a schematic structural diagram of the middle press block of the present invention.

Fig. 3 is a schematic structural view of the middle push block of the present invention.

Shown in the figure: 1-a base; 11-a through hole; 2-a top pillar; 3, fixing a plate; 4-a hydraulic cylinder; 41-cylinder body; 42-a piston rod; 5-a hydraulic pump; 51-a handle; 511-antiskid sleeve; 52-adjusting bolts; 53-leg; 6-briquetting; 61-a first mounting portion; 611-a first groove; 612-a first threaded hole; 62-a press-in part; 7-a push block; 71-a second mounting portion; 711-a second groove; 712-a second threaded hole; 72-a propulsion section; 8-an oil pipe; 9-nut.

Detailed Description

For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:

as shown in fig. 1 to 3, the BWG turnout resilient roller loader is used for replacing a resilient roller on a clamp handle, and comprises a base 1, a top post 2, a fixed plate 3 hydraulic cylinder 4 and a hydraulic pump 5, wherein the base 1 is provided with a through hole 11, and the diameter of the through hole 11 is larger than that of the resilient roller; the number of the top columns 2 is at least two, the base 1 is fixed at the bottom ends of the top columns 2, and the fixing plates 3 are fixed at the top ends of the top columns 2; the hydraulic cylinder 4 is fixed at the bottom of the fixed plate 3, the hydraulic cylinder 4 comprises a cylinder body 41 and a piston rod 42 in sliding fit with the cylinder body 41, the bottom end of the piston rod 42 is detachably connected with a pressing block 6 for pressing the elastic roller into the clamping handle or a pushing block 7 for pushing the elastic roller out of the clamping handle, the piston rod 42 and the through hole 11 are arranged on the same axis, and a space for placing the clamping handle is arranged between the piston rod 42 and the base 1; the hydraulic pump 5 drives the piston rod 42 to extend.

The pressing block 6 comprises a first mounting part 61 and a press-in part 62, a first groove 611 matched with the piston rod 42 is formed in the first mounting part 61, and the diameter of the press-in part 62 is smaller than that of the elastic roller; the push block 7 comprises a second mounting part 71 and a pushing part 72, a second groove 711 matched with the piston rod 42 is formed in the second mounting part 71, and the diameter of the pushing part 72 is smaller than that of the elastic roller; the length of the pushing portion 72 is longer than that of the press-fitting portion 62.

Specifically, a first threaded hole 612 is formed in the side wall of the first mounting portion 61, the first threaded hole 612 is communicated with a first groove 611, a shoe-shaped screw (not shown) is mounted in the first threaded hole 612, when the shoe-shaped screw is mounted, the first groove 611 is mounted corresponding to the piston rod 42, and then the shoe-shaped screw (not shown) is screwed down, so that the pressing block 6 is fixed at the bottom end of the piston rod 42, and the mounting is convenient; similarly, a second threaded hole 712 is formed in the side wall of the second mounting portion 71, the second threaded hole 712 is communicated with a second groove 711, a shoe-shaped screw (not shown) is also mounted in the second threaded hole 712, when the mounting is performed, the second groove 711 is mounted corresponding to the piston rod 42, and then the shoe-shaped screw (not shown) is screwed down, so that the push block 7 is fixed at the bottom end of the piston rod 42, and the mounting is convenient; when the pressing block 6 or the pushing block 7 needs to be disassembled, the corresponding shoe-shaped gold ingot screw (not shown) is loosened and then can be taken down.

Preferably, the base 1 is in a round table shape, so that the stability of the whole machine is improved, the possibility of toppling during working is prevented, and the safety performance is improved.

Preferably, the two support columns 2 are arranged in parallel at intervals, and when the elastic roller is replaced, the clamping handles are placed between the two support columns 2 at intervals.

Specifically, set up on the fixed plate 3 with 2 complex mounting holes of fore-set, the top of fore-set 2 is for having the stepped shaft of helicitic texture, and this stepped shaft passes the mounting hole, and two nuts 9 of rethread lock fixed plate 3, improve the stability of pneumatic cylinder 4 during operation.

The hydraulic pump 5 is rotatably connected with a handle 51, and when the handle 51 is rotated, the hydraulic pump 5 pumps oil into the cylinder body 41 through the oil pipe 8; the handle 51 is sleeved with an anti-slip sleeve 511 to increase friction and prevent slipping; the hydraulic pump 5 is provided with an oil way adjusting bolt 52; the head end and the tail end of hydraulic pump 5 are fixed with stabilizer blade 53 respectively, and the hydraulic pump 5 of being convenient for lays, makes the better platform contact with laying of hydraulic pump 5, and is more steady, improves the stability of hydraulic pump 5 during operation.

Specifically, all install the quick-operation joint on cylinder body 41 and on hydraulic pump 5, it is corresponding, the tip of oil pipe 8 all sets up to the quick-operation plug with quick-operation joint looks adaptation, the connection of the oil circuit of being convenient for.

It is worth mentioning that the hydraulic pump 5 adopts a single-acting hydraulic jack, when the handle 51 is repeatedly rotated, oil in the hydraulic pump 5 is conveyed to the hydraulic cylinder 4 through the oil pipe 8, so that the piston rod 42 extends out, when the piston rod 42 is required to retract, the oil way adjusting bolt 52 can be rotated, so that the oil way in the hydraulic pump 5 is conducted, and the oil returns to the hydraulic pump 5, so that the piston rod 42 retracts to the original position.

The utility model discloses a concrete theory of operation as follows: when the elastic roller needs to be taken out, the push block 7 is firstly installed at the bottom end of the piston rod 42, then the clamping handle is placed on the base 1, the elastic roller is just corresponding to the through hole 11, the push block 7 corresponds to the elastic roller, then the handle 51 is rotated, the hydraulic pump 5 pumps oil into the hydraulic cylinder 4, the piston rod 42 extends downwards, the push block 7 is abutted to the elastic roller, the handle 51 is continuously rotated until the push block 7 pushes out the elastic roller and falls into the through hole 11, and therefore the elastic roller is dismounted; when the elastic roller needs to be installed, the pressing block 6 is firstly installed at the bottom end of the piston rod 42, the elastic roller is placed in a manner of corresponding to the clamping handle in advance, the clamping handle is placed on the base 1, the elastic roller just corresponds to the pressing block 6, then the handle 51 is rotated, and similarly, the piston rod 42 extends downwards, the pressing block 6 is abutted to the elastic roller, the handle 51 is continuously rotated until the elastic roller is pressed into the clamping handle and is located at the correct position, and therefore the installation of the elastic roller is completed.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

BWG switch running roller dismouting ware for change the running roller on the clamp holder, its characterized in that: the BWG turnout elastic roller mounting and dismounting device comprises a base (1), a support pillar (2), a fixed plate (3), a hydraulic cylinder (4) and a hydraulic pump (5), wherein the base (1) is provided with a through hole (11), and the diameter of the through hole (11) is larger than that of the elastic roller;

the number of the top columns (2) is at least two, the base (1) is fixed at the bottom end of the top column (2), and the fixing plate (3) is fixed at the top end of the top column (2);

the hydraulic cylinder (4) is fixed at the bottom of the fixing plate (3), the hydraulic cylinder (4) comprises a cylinder body (41) and a piston rod (42) in sliding fit with the cylinder body (41), a pressing block (6) for pressing the elastic roller into the clamping handle or a pushing block (7) for pushing the elastic roller out of the clamping handle is detachably connected to the bottom end of the piston rod (42), the piston rod (42) and the through hole (11) are arranged on the same axis, and a space for placing the clamping handle is formed between the piston rod (42) and the base (1);

the hydraulic pump (5) drives the piston rod (42) to extend.
2. The BWG switch resilient roller loader of claim 1, wherein: briquetting (6) include first installation department (61) and portion (62) of impressing, seted up on first installation department (61) with first recess (611) of piston rod (42) looks adaptation, the diameter of portion (62) of impressing is less than the diameter of resilient roller.
3. The BWG switch resilient roller loader of claim 2, wherein: the push block (7) comprises a second mounting part (71) and a pushing part (72), a second groove (711) matched with the piston rod (42) is formed in the second mounting part (71), and the diameter of the pushing part (72) is smaller than that of the elastic roller.
4. The BWG switch resilient roller loader of claim 3, wherein: the length of the pushing part (72) is larger than that of the pressing part (62).
5. The BWG switch resilient roller loader of claim 1, wherein: the base (1) is in a round table shape.
6. The BWG switch resilient roller loader of claim 1, wherein: the two jacking columns (2) are arranged in parallel.
7. The BWG switch resilient roller loader of claim 1, wherein: the hydraulic pump (5) is rotatably connected with a handle (51), and when the handle (51) is rotated, the hydraulic pump (5) pumps oil into the cylinder body (41) through an oil pipe (8).
8. The BWG switch resilient roller loader of claim 7, wherein: the handle (51) is sleeved with an anti-slip sleeve (511).
9. The BWG switch resilient roller loader of claim 8, wherein: and an oil way adjusting bolt (52) is arranged on the hydraulic pump (5).
10. The BWG switch resilient roller loader of claim 9, wherein: and support legs (53) are respectively fixed at the head end and the tail end of the hydraulic pump (5).