CN219485503U

CN219485503U - Pin shaft penetrating dismounting device for valve overhaul

Info

Publication number: CN219485503U
Application number: CN202320170954.1U
Authority: CN
Inventors: 郭壮; 王俊伟; 胡博彧
Original assignee: Wuhan Metro Operation Co ltd
Current assignee: Wuhan Metro Operation Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-08
Anticipated expiration: 2033-02-10

Abstract

The utility model provides a pin shaft penetrating dismounting device for valve overhaul, which comprises a base, a first bracket, a second bracket and a third bracket, wherein the first bracket, the second bracket and the third bracket are sequentially arranged on the base in a straight line, a valve cover limiting groove is formed in the second bracket, a pin shaft through hole is formed in the middle of the valve cover limiting groove, and the pin shaft through hole penetrates through the base; a valve cover limiter is arranged between the first bracket and the second bracket, one end of the valve cover limiter is in threaded connection with the first bracket through a first screw rod, and the other end of the valve cover limiter is opposite to the valve cover limiting groove; and a valve bolt adjuster is arranged between the second bracket and the third bracket and is in threaded connection with the third bracket through a second screw rod. The valve body can be extruded and fixed, the connecting pin shaft of the valve cover and the valve bolt is convenient to detach and install, the structure is simple and practical, the cost is low, the valve body can be operated by a single person, and the valve is easy to popularize.

Description

Pin shaft penetrating dismounting device for valve overhaul

Technical Field

The utility model belongs to the field of overhauling of valve fittings of rail transit equipment, and particularly relates to a pin penetrating shaft dismounting device for overhauling of pulse valves in rail transit equipment.

Background

When the railway traffic vehicle reaches a certain running period or running mileage, the brake system equipment of the vehicle needs to be repaired, the WIMHV5-NT pulse valve is a valve commonly used in the vehicle brake system, the valve body valve cover and the valve plug are connected through corresponding holes on the valve plug by penetrating through the corresponding holes on the valve plug from the outer side of the valve cover through the pin shaft, and the connecting pin shaft of the valve cover and the valve plug is often required to be replaced in the process of overhauling the WIMHV5-NT pulse valve, but because the volume of the valve cover is smaller than that of the valve body, the valve cover is in a middle vacancy and is reversely unstressed, and meanwhile, the valve cover can freely rotate, and the pin shaft is not easy to take out in the process of replacement; when the valve is assembled, due to the spring resistance between the valve cover and the valve bolt, the holes between the valve cover and the valve bolt are difficult to be completely overlapped and aligned, the pin shaft is difficult to install, and the problem of damage to parts is also caused.

The current common mode to pulse valve pin axle dismouting generally adopts the instrument of fastening to fix respectively valve body, valve cock and valve gap three parts, and other operations just can be carried out after vertical adjustment and the rotation, and this mode exists the place that is not enough: firstly, two people are needed to cooperate, and manpower is wasted; (2) the time required for fixing the three components respectively is long and unstable; (3) Damage can occur to the excessive clamping of the component, the clamping can rotate without clamping the valve cover, and the pin shaft can not be taken out; (4) If the valve cover is displaced in the process of beating the pin, the valve cover is not easy to adjust.

Disclosure of Invention

The utility model provides a pin penetrating shaft dismounting device for valve overhaul, which aims to solve the problem that the connecting pin shaft of a valve cover and a valve bolt of the pulse valve is difficult to dismount at present.

In order to achieve the technical aim, the utility model provides a pin shaft penetrating dismounting device for valve overhaul, which comprises a base, a first bracket, a second bracket and a third bracket, wherein the first bracket, the second bracket and the third bracket are sequentially arranged on the base in a straight line, a valve cover limiting groove is formed in the second bracket, a pin shaft through hole is formed in the middle of the valve cover limiting groove, and the pin shaft through hole penetrates through the base; a valve cover limiter is arranged between the first bracket and the second bracket, one end of the valve cover limiter is in threaded connection with the first bracket through a first screw rod, and the other end of the valve cover limiter is opposite to the valve cover limiting groove; and a valve bolt adjuster is arranged between the second bracket and the third bracket and is in threaded connection with the third bracket through a second screw rod.

The utility model has the preferable technical scheme that: the valve cover limiting groove is an arc-shaped or semicircular groove matched with the valve cover of the valve to be overhauled, and the center points of the valve cover limiting groove, the valve cover limiter and the valve bolt adjuster are on the same straight line.

The utility model has the preferable technical scheme that: the valve cover limiter is of a round table-shaped structure, the valve cover limiter is horizontally arranged between the first support and the second support, the big end is fixedly connected with the first screw, the small end is opposite to the side face of the valve cover limiting groove, and the valve cover limiter is made of rubber materials or is provided with a rubber cushion layer at the small end of the valve cover limiter.

The utility model has the preferable technical scheme that: the valve plug regulator is of a cylindrical structure, is horizontally arranged between the second bracket and the third bracket, has a diameter smaller than or equal to the diameter of the section of the valve plug of the valve body to be overhauled, and is opposite to the valve plug of the valve body to be overhauled when the valve body to be overhauled is arranged between the second bracket and the third bracket; the valve plug adjuster is made of rubber materials or a rubber cushion layer is arranged at one end of the valve plug adjuster, which is close to the second bracket.

The utility model has the preferable technical scheme that: the pin shaft through hole is positioned at the center of the valve cover limiting groove, and the diameter of the pin shaft through hole is equal to or larger than the aperture of the pin shaft hole on the valve cover of the valve to be overhauled.

The utility model has the preferable technical scheme that: the first support, the second support and the third support are fixed on the bottom plate through fixing bolts respectively, the heights of the first support and the third support are matched, and the heights of the first support and the third support are higher than those of the second support.

The utility model has the beneficial effects and characteristics that:

(1) The utility model is provided with three fixing brackets, the front and rear fixing brackets are respectively provided with a valve cover limiter and a valve plug adjuster, the middle bracket is used for supporting the valve cover, when the pin shaft is dismounted, the valve cover is limited only by the valve cover limiter, the valve plug adjuster can finely adjust the valve plug, so that the hole on the valve plug is positioned right above the valve rod, meanwhile, the valve rod is not scratched, the degree of expansion and contraction of the spring can be changed by adjusting the tightness of the valve cover limiter, the hole of the valve cover is completely overlapped with the hole of the valve plug, and the longitudinal adjustment and rotation can be performed at any time.

(2) The middle support can limit the displacement and rotation of the valve body in an omnibearing way, bear more longitudinal impact, and is provided with an upper through hole and a lower through hole in the middle, so that the small through pin can conveniently fall out and be reversely centered.

The valve body can be extruded and fixed, the connecting pin shaft of the valve cover and the valve bolt is convenient to detach and install, the structure is simple and practical, the cost is low, the valve body can be operated by a single person, and the valve is easy to popularize.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of an embodiment of the present utility model;

FIG. 3 is a side view of an embodiment of the present utility model;

FIG. 4 is a bottom view of the present utility model;

fig. 5 is a usage state reference diagram of the present utility model.

In the figure: 1-base, 2-first support, 3-second support, 4-third support, 5-valve gap limiting groove, 6-round pin axle through-hole, 7-valve gap stopper, 8-first screw rod, 9-valve bolt regulator, 10-second screw rod, 11-valve gap of valve to be overhauled, 12-valve body to be overhauled, 13-connecting pin axle, 14-fixing bolt.

Detailed Description

The utility model is further described below with reference to the drawings and examples. Fig. 1 to 5 are drawings of embodiments, which are drawn in a simplified manner, for the purpose of clearly and concisely illustrating embodiments of the present utility model. The following technical solutions presented in the drawings are specific to embodiments of the present utility model and are not intended to limit the scope of the claimed utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The embodiment provides a wear round pin axle dismouting device for valve class overhauls, as shown in fig. 1 through 4, the device includes base 1 and is sharp first support 2, second support 3, the third support 4 that set gradually on base 1, is equipped with valve gap spacing groove 5 on second support 3, valve gap spacing groove 5 is with waiting to overhaul valve gap 11 assorted arc or semicircular groove, is equipped with round pin axle through-hole 6 at the middle part of valve gap spacing groove 5, round pin axle through-hole 6 is located the central point of valve gap spacing groove 5, and its diameter is equal to or greater than the aperture of waiting to overhaul the round pin axle hole on valve gap 11, and round pin axle through-hole 6 runs through base 1. The first bracket 2, the second bracket 3 and the third bracket 4 are respectively fixed on the bottom plate 1 through fixing bolts 14, and the heights of the first bracket 2 and the third bracket 4 are matched and are higher than the height of the second bracket 3.

The embodiment provides a wear round pin axle dismouting device for valve class overhauls, as shown in fig. 1 through 4, is equipped with valve gap limiter 7 between first support 2 and second support 3, valve gap limiter 7 one end is through first screw rod 8 and first support 2 threaded connection, valve gap limiter 7 is the round platform shape structure that rubber materials made, and its level is arranged in between first support 2 and second support 3, big head end and first screw rod 8 fixed connection, and little head end is just to the side of valve gap spacing groove 5. A valve bolt adjuster 9 is arranged between the second bracket 3 and the third bracket 4, the valve bolt adjuster 9 is of a cylindrical structure made of rubber material, is horizontally arranged between the second bracket 3 and the third bracket 4, has a diameter smaller than or equal to the diameter of the valve bolt section of the valve body 12 to be overhauled, the valve bolt adjuster 9 is in threaded connection with the third bracket 4 through a second screw rod 10, and when the valve body 12 to be overhauled is arranged between the second bracket 3 and the third bracket 4, the valve bolt adjuster 9 is opposite to the valve bolt of the valve body 12 to be overhauled. The center points of the valve cover limit groove 5, the valve cover limiter 7 and the valve plug adjuster 9 in the embodiment are on the same straight line.

The valve cover limiter 7 and the valve plug adjuster 9 are positioned at the maximum positions by adjusting the first screw 8 and the second screw 10 to rotate anticlockwise.

When the WIMHV5-NT pulse valve cover and the valve bolt connecting pin shaft are dismounted, as shown in 5, a valve cover 11 to be overhauled is placed in a valve cover limiting groove 5 of a second bracket 3, a valve body 12 to be overhauled is positioned between the second bracket 3 and a third bracket 4, a second screw rod 10 is rotated clockwise until a valve bolt adjuster 9 completely presses the valve body on the second bracket 3, a connecting valve cover and the valve bolt connecting pin shaft are reversely centered by a picking needle from a pin shaft through hole 6 of a base 1, the valve cover 11 to be overhauled is pressed by rotating a first screw rod 8 clockwise, the whole valve body is pressed back and forth, the connecting pin shaft is centered, the lower part of the valve cover is also supported by the second bracket 3, the connecting pin shaft can be knocked by a sample punch and a hammer until the connecting pin shaft falls into a pin shaft through hole 6 of the base 9, and in the process, if the valve cover rotates, the valve cover limiter 7 and the valve bolt adjuster 9 can be adjusted in real time through the valve cover limiter and the valve bolt adjuster are rubber pieces, so that parts cannot be damaged during extrusion and rotation.

When the WIMHV5-NT pulse valve cover and the valve bolt connecting pin shaft are assembled by using the utility model, as shown in figure 5, the first screw rod 8 and the second screw rod 10 are rotated anticlockwise, the valve cover limiter 7 and the valve bolt adjuster 9 are positioned at the maximum positions, the valve cover 11 to be overhauled is placed in the valve cover limiting groove 5 of the second bracket 3, the valve body 12 to be overhauled is positioned between the second bracket 3 and the third bracket 4, the second screw rod 10 is rotated clockwise until the valve bolt adjuster 9 fully compresses the valve body on the second bracket 3, the first screw rod 8 is rotated clockwise, the spring is compressed until the pin shaft hole on the valve bolt of the valve body 12 to be overhauled and the pin shaft hole on the valve cover 11 to be overhauled are positioned on one plane, the two holes are fully overlapped upwards and centered by a picking needle, the whole valve body is compressed front and back, the mounting hole is fully overlapped, the lower part of the valve cover is also supported, and the connecting pin shaft 13 is beaten into the hole at the moment, and the assembly of the part can be completed.

The foregoing description is of one embodiment of the utility model and is thus not to be taken as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.

Claims

1. A wear round pin axle dismouting device for valve class overhauls, its characterized in that: the device comprises a base (1), and a first bracket (2), a second bracket (3) and a third bracket (4) which are sequentially arranged on the base (1) in a straight line, wherein a valve cover limit groove (5) is arranged on the second bracket (3), a pin shaft through hole (6) is arranged in the middle of the valve cover limit groove (5), and the pin shaft through hole (6) penetrates through the base (1); a valve cover limiter (7) is arranged between the first bracket (2) and the second bracket (3), one end of the valve cover limiter (7) is in threaded connection with the first bracket (2) through a first screw rod (8), and the other end of the valve cover limiter is opposite to the valve cover limiting groove (5); a valve bolt adjuster (9) is arranged between the second bracket (3) and the third bracket (4), and the valve bolt adjuster (9) is in threaded connection with the third bracket (4) through a second screw rod (10).

2. The pin bushing dismounting device for valve service according to claim 1, wherein: the valve cover limiting groove (5) is an arc-shaped or semicircular groove matched with the valve cover (11) of the valve to be overhauled, and the center points of the valve cover limiting groove (5), the valve cover limiter (7) and the valve bolt adjuster (9) are on the same straight line.

3. A pin bushing dismounting device for valve service according to claim 1 or 2, characterized in that: the valve cover limiter (7) is of a round table-shaped structure, the valve cover limiter is horizontally arranged between the first support (2) and the second support (3), the big end is fixedly connected with the first screw (8), the small end is opposite to the side face of the valve cover limiting groove (5), and the valve cover limiter (7) is made of rubber materials or a rubber cushion layer is arranged at the small end of the valve cover limiter (7).

4. A pin bushing dismounting device for valve service according to claim 1 or 2, characterized in that: the valve plug adjuster (9) is of a cylindrical structure, is horizontally arranged between the second bracket (3) and the third bracket (4), has a diameter smaller than or equal to the diameter of the valve plug section of the valve body (12) to be overhauled, and is opposite to the valve plug of the valve body (12) to be overhauled when the valve body (12) to be overhauled is arranged between the second bracket (3) and the third bracket (4); the valve bolt adjuster (9) is made of rubber materials or a rubber cushion layer is arranged at one end of the valve bolt adjuster (9) close to the second bracket (3).

5. A pin bushing dismounting device for valve service according to claim 1 or 2, characterized in that: the pin shaft through hole (6) is positioned at the center of the valve cover limiting groove (5), and the diameter of the pin shaft through hole is equal to or larger than the diameter of the pin shaft hole on the valve cover (11) of the valve to be overhauled.

6. A pin bushing dismounting device for valve service according to claim 1 or 2, characterized in that: the first support (2), the second support (3) and the third support (4) are fixed on the base (1) through fixing bolts (14) respectively, and the heights of the first support (2) and the third support (4) are matched, and are higher than the height of the second support (3).