Height valve overhauling device

Abstract

The utility model provides an altitude valve overhauling device which comprises a base, one side of the base is provided with an operating rod supporting seat used for connecting an operating rod of an altitude valve, the middle of the base is provided with two fixing grooves and an installation cylinder used for placing the altitude valve, and a valve body is fixed in the forward direction through connection of a first bolt. A clamp fixing assembly used for clamping a locking ring of the height valve is arranged behind the base, a mounting groove is formed in the position, on the side face of the clamp fixing assembly, of the base and used for reversely placing the height valve, and a valve body is reversely fixed through connection of a second bolt. The height valve is simple in structure and reasonable in design, the height valve can be rapidly disassembled, accessories of the height valve can be conveniently replaced, the overhauling process is achieved, the height valve can be rapidly assembled, and the integrity performance test after overhauling can be conveniently carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment overhauls technical field, concretely is a height valve overhauls device. BACKGROUND

[0002] The height valve is an important part for adjusting the height of the carriage on the subway train, and a SV1205 type height valve cooperates with the train suspension system to realize real-time adjustment of the horizontal height of the carriage. Each train is equipped with 3 to 4 height valves, and the height valve is connected with the air cylinder and the air spring through the air pipe on the air circuit. When the load of the carriage changes, the control air flow is controlled by the structure such as the operating rod and the transmission member acting on the piston in the valve, so that the air spring is inflated or deflated. If the height valve fails to adjust the performance, the valve leaks and the like, the comfort of the train will be directly affected, the gravity distribution of the vehicle will be affected and the equipment will be damaged. Therefore, the overhauls of the height valve are very important.

[0003] When the height valve is disassembled and overhauled, the sealing ring, the thrust ring and other consumable parts need to be replaced, other parts need to be cleaned and inspected, and finally the height valve is assembled and tested on the test bench. At present, the SV1205 type height valve used in the urban rail vehicle does not have a special overhauls device, and in actual overhauls, the operating personnel generally use wrenches, sample punches and other tools to fix the height valve by means of the overhauls table or the body. This way is laborious, and the time cost and material cost are high, especially if the test bench test fails after assembly, the height valve needs to be overhauled again. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a height valve overhauls device, which is simple in structure, convenient to use, can accurately position each part of the height valve, and realizes the disassembly, overhaul and assembly of the height valve.

[0005] The utility model provides a technical scheme: a height valve overhauls device, including the base, one side of the base is provided with the operating rod support seat for connecting the operating rod of the height valve, the middle part of the base is provided with two fixed grooves for placing the mounting cylinder of the height valve, and the valve body is fixed in the positive direction through bolt one connection, the rear of the base is provided with the clamp jaw fixing assembly for clamping the locking ring of the height valve, the installation groove is set up on the base on the side of the clamp jaw fixing assembly, the height valve is placed in the reverse direction, and the valve body is fixed in the reverse direction through two symmetrical bolts two.

[0006] Further, the other side opposite to the operating rod support seat is provided with a valve core guide assembly, the valve core guide assembly includes a guide rod support seat movably connected with the base and a guide rod transversely inserted into the guide rod support seat.

[0007] Further, the guide rod support seat is bolted and fixed on the waist-shaped hole of the base, and the direction of the guide rod is adjusted according to different diameters of the valve body.

[0008] Further, the joystick support seat is composed of a vertical support rod and a horizontal support plate, the bottom of the support rod is connected with the base, and a connecting hole is formed in the support plate and used for connecting the joystick of the height valve through a bolt.

[0009] Further, the clamp fixing assembly comprises a clamp support seat mounted on the base, two oppositely arranged clamp arms are slidably connected to the clamp support seat, the front ends of the two clamp arms form a clamp opening, and an adjusting assembly is arranged on the outer side of the clamp arms and used for adjusting the distance between the two clamp arms to clamp the locking ring of the height valve.

[0010] Further, the adjusting assembly comprises a rotating screw rod and an adjusting knob arranged on the outer side of the rotating screw rod, and the rotating screw rod is transversely inserted into the clamp arm and is threadedly connected with the clamp arm.

[0011] Further, fixing holes are formed in the two clamp arms and used for locking and fixing the clamp support seat through bolts.

[0012] Further, mounting holes are formed at the four corners of the base and used for fixing the base to a workbench.

[0013] The height valve has the advantages that:

[0014] (1) The locking ring of the height valve transmission member is clamped by the clamp, the joystick support seat fixes the joystick, and when the mounting screw is fastened, the included angle between the locking ring and the joystick will not be out of tolerance, so that the air tightness test is not failed due to improper installation, and repeated maintenance is not needed.

[0015] (2) The valve core sealing ring and the gasket of the height valve are positioned by the valve core guide assembly, so that the damage of the sealing member and the gasket is reduced when the groove pin and the valve core are assembled, and in particular, the impact of the gasket caused by the groove pin entering the limiting hole is avoided.

[0016] (3) The valve body is positioned from the front and the back, so that the valve body is not damaged due to shaking when knocking during disassembly and assembly of the groove pin.

[0017] (4) The height valve has the advantages of reasonable design, simple structure, accurate positioning of each component of the height valve, realization of disassembly, maintenance and assembly of the height valve, greatly improved work efficiency and safety, and reduced failure rate caused by human operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 and Figure 2 are structural schematic views of the height valve from different angles.

[0019] Figure 3 is the structure diagram of the height valve;

[0020] In the figure: 1 - base, 101 - waist-shaped hole, 102 - mounting hole, 2 - lever support seat, 201 - support rod, 202 - support plate, 203 - connecting hole, 204 - bolt three, 3 - fixed groove, 4 - bolt one, 5 - clamp fixing assembly, 501 - clamp support seat, 502 - clamping arm, 503 - rotating screw, 504 - adjusting knob, 505 - fixing hole, 6 - mounting groove, 7 - bolt two, 8 - valve core guide assembly, 801 - guide rod support seat, 802 - guide rod, 9 - height valve, 901 - operating lever, 902 - transmission part, 903 - locking ring, 904 - valve body, 905 - mounting cylinder, 906 - air storage cylinder pipeline interface, 907 - air outlet, 908 - slot pin. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with specific embodiments, wherein, the drawings are only used for example description, and the representation is only schematic diagram, and not the real object drawing, and can not be understood as the limitation of the utility model, in order to better illustrate the specific embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of actual product, for those skilled in the art, some known structure and its description in the drawings can be omitted, all other specific embodiments obtained by the ordinary skill in the art without making creative labor based on the specific embodiment in the utility model, belong to the range of protection of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "front", "back", "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore can not be understood as indicating or implying that the device or element referred to must have a particular orientation, a particular orientation and operation, and therefore can not be understood as a limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] As Figures 1-2 The utility model provides a height valve overhauling device, including base 1, one side of base 1 is provided with the operating lever support seat 2 for connecting the operating lever of height valve, the middle part of base 1 is provided with two fixed slots 3 for placing the installation cylinder of height valve, and the valve body is fixed by bolt one 4 connection and makes, the rear of base 1 is provided with the clamp jaw fixing assembly 5 for clamping the locking ring of height valve, the base 1 on the side of clamp jaw fixing assembly 5 is provided with installation slot 6, is used to place height valve in reverse, and the valve body is fixed by the connection of the symmetry of two bolt two 7 and makes reverse. The installation hole 102 for being fixed with workbench is set up at the four corners of base 1.

[0025] The other side opposite operating lever support seat 2 is provided with valve core guide assembly 8, valve core guide assembly 8 includes the guide rod support seat 801 of movable connection with base 1 and the guide rod 802 of movable connection with guide rod support seat 801 by being inserted in guide rod support seat 801 transversely. The guide rod support seat 801 is bolted and fixed on the waist-shaped hole 101 of base 1, and the direction of guide rod is adjusted according to the different diameters of valve body.

[0026] Operating lever support seat 2 is composed of vertical support rod 201 and horizontal support plate 202, the bottom of support rod 201 is connected with base 1, and connecting hole 203 is formed in support plate 202 for connecting with the operating lever of height valve by bolt three 204. Specifically, support rod 201 and support plate 202 are integrally formed.

[0027] The clamp jaw fixing assembly 5 includes the clamp jaw support seat 501 installed on base 1, two oppositely arranged clamp arms 502 are slidably connected to the clamp jaw support seat 501, the front ends of the two clamp arms 502 form a clamp jaw, and an adjusting assembly is arranged on the outer side of the clamp arms 502 for adjusting the distance between the two clamp arms 502 to clamp the locking ring of the height valve. The adjusting assembly includes a rotating screw 503 and an adjusting knob 504 arranged on the outer side of the rotating screw 503, and the rotating screw 503 is transversely inserted into the clamp arm 502 and threadedly connected with the clamp arm 502. Fixed holes 505 are formed in the two clamp arms 502 for locking and fixing with the clamp jaw support seat 501 by bolts.

[0028] As Figure 3The structure diagram of the height valve is shown, and the utility model discloses two processes of disassembly and assembly, before using the maintenance device, first, the device is fixed on the workbench through the mounting hole to avoid moving. When the height valve 9 is disassembled, the installation cylinder 905 at both ends of the height valve 9 is placed in the fixed groove 3, the height valve 9 is fixed through the two bolts one 4 front, and the two clamping arms 502 on the clamp fixing assembly 5 are clamped through the adjusting knob 504 to clamp the locking ring 903 of the height valve transmission member, so that the operating rod 901 and the transmission member 902 are disassembled. After the piston assembly is removed, the valve body 904 is fixed at the installation groove 6, and the front and back grooves are knocked with a sample punch, and the groove pin 908 is withdrawn from the limiting hole.

[0029] When the height valve 9 is assembled, the guide rod 802 on the valve core guide assembly 8 is used to install O-rings, gaskets and the like from the exhaust port 907 into the valve, the groove pin 908 is inserted into the limiting hole after installation to prevent the gasket from shaking, so that the valve core structure is installed. Similarly, the transmission member locking ring of the height valve is clamped through the clamp fixing assembly 5, one end of the operating rod 901 is fixed on the operating rod support seat 2, and the transmission member 902 and the operating rod 901 are assembled.

[0030] Finally, it should be pointed out that: the above only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A head valve servicing device, characterized in that The utility model provides a height valve fixing base, including base (1), one side of base (1) is provided with the joystick support seat (2) for connecting the joystick of height valve, the middle part of base (1) is provided with two fixed slots (3) for placing the installation cylinder of height valve, and the valve body is fixed by bolt one (4) connection and makes positive, the rear of base (1) is provided with the clamp fixed assembly (5) for clamping the locking ring of height valve, the fixed assembly (5) of clamp is provided with installation slot (6) on the side of base (1), is used for placing height valve reversely, and the valve body is fixed by the connection of symmetrical two bolt two (7) reversely.

2. A high-service valve repair device according to claim 1, wherein, The other side opposite to the joystick support seat (2) is provided with a valve core guiding assembly (8), which comprises a guiding rod support seat (801) movably connected with the base (1) and a guiding rod (802) transversely inserted into the guiding rod support seat (801).

3. A high-service valve repair device according to claim 2, wherein, The guiding rod support seat (801) is fixed on the waist-shaped hole (101) of the base (1) by screw connection, and the direction of the guiding rod is adjusted according to the different diameters of the valve body.

4. A high-service valve repair device according to claim 1, wherein, The joystick support seat (2) is composed of a vertical support rod (201) and a horizontal support plate (202), the bottom of the support rod (201) is connected with the base (1), and the support plate (202) is provided with a connecting hole (203) for connecting with the joystick of the height valve by bolt three (204).

5. A high-service valve repair device according to claim 1, wherein, The clamp fixed assembly (5) comprises a clamp support seat (501) mounted on the base (1), two oppositely arranged clamp arms (502) are slidably connected to the clamp support seat (501), the front ends of the two clamp arms (502) form a clamp opening, and an adjusting assembly is arranged on the outer side of the clamp arms (502) for adjusting the distance between the two clamp arms (502) to clamp the locking ring of the height valve.

6. A high-service valve repair device according to claim 5, wherein, The adjusting assembly comprises a rotating screw rod (503) and an adjusting knob (504) arranged on the outer side of the rotating screw rod (503), and the rotating screw rod (503) is transversely inserted into the clamp arm (502) and threadedly connected with the clamp arm (502).

7. A high-service valve repair device according to claim 5, wherein, Fixed holes (505) are formed in the two clamp arms (502) for locking and fixing with the clamp support seat (501) by bolts.

8. A high-service valve repair device according to claim 1, wherein, Mounting holes (102) are formed at the four corners of the base (1) for fixing with a workbench.

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