CN212265089U

CN212265089U - Automatic pressing device for voltage regulator detection

Info

Publication number: CN212265089U
Application number: CN202020583809.2U
Authority: CN
Inventors: 吴钧; 陈豹; 王清; 李松
Original assignee: Inner Mongolia Xinguangjin Gas Equipment Co ltd
Current assignee: Inner Mongolia Xinguangjin Gas Equipment Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-01-01
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to an automatic closing device for voltage regulator detects, the device's piston is installed in the cylinder, preceding cylinder cap suit is on the piston and fix the front end at the cylinder, back cylinder cap suit is on the piston and fix the rear end at the cylinder, the mount pad suit is on the piston and fix the rear end at the back cylinder cap, piston outside middle part is equipped with rather than the ring platform that links into an integrated entity, the ring platform falls into first drive oil tank and second drive oil tank with the drive oil tank, preceding cylinder cap periphery wall one side is equipped with first inlet port, preceding cylinder cap periphery wall opposite side is equipped with the first needle subassembly with first drive oil tank intercommunication, back cylinder cap periphery wall one side is equipped with the second inlet port, back cylinder cap periphery wall opposite side is equipped with the second valve needle subassembly with second drive oil tank intercommunication. The utility model discloses utilize the hydraulic drive piston to stretch out to compress tightly automatically on the voltage regulator, saved the heavy installation procedure in the pressure regulating equipment testing process, reduced intensity of labour, improved detection efficiency.

Description

Automatic pressing device for voltage regulator detection

Technical Field

The utility model relates to a voltage regulator detection area, concretely relates to automatic pressing device for voltage regulator detects.

Background

Manufacturers producing voltage regulator equipment need to carry out factory inspection on the voltage regulator before the voltage regulator leaves a factory, and the voltage regulator can be used by end users. And (4) checking whether the pressure regulator is in the range of qualified products or not in the parameters of appearance, pressure bearing strength, external sealing, pressure stabilizing precision grade, closing pressure grade, internal sealing and the like. In the testing process, need install the voltage regulator on the test pipeline, current mounting means need connect the flange of voltage regulator and test pipeline flange one-to-one through the bolt, repeat work and intensity is great, the test is accomplished still need one pull down the bolt, make its check-out time prolong by a wide margin, low efficiency, and cause the accidental injury to the regulator flange face easily, the leakproofness that the damage direct influence later stage of flange face used, and the impaired degree of difficulty that hinders in later stage restoration is great in the flange face, the unable processing of doing as the abandonment piece that repairs, direct influence manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, convenient operation can show and reduce the amount of labour that testing personnel were examining time measuring to the regulator, promotes the automatic pressing device that a is used for the voltage regulator to detect of detection efficiency.

In order to solve the above problems in the prior art, the present invention provides an automatic pressing device for voltage regulator detection, which comprises a cylinder barrel, a tubular piston, a front cylinder cover, a rear cylinder cover and a mounting seat, wherein the piston is installed in the cylinder barrel, the front cylinder cover is sleeved on the piston and fixed at the front end of the cylinder barrel, the rear cylinder cover is sleeved on the piston and fixed at the rear end of the cylinder barrel, the mounting seat is sleeved on the piston and fixed at the rear end of the rear cylinder cover, a driving oil tank is formed between the front cylinder cover, the rear cylinder cover, the outer wall of the piston and the inner wall of the cylinder barrel, a ring platform connected with the piston is arranged in the middle of the outer side of the piston, the driving oil tank is divided into a first driving oil tank and a second driving oil tank by the ring platform, a first oil inlet hole communicated with the first driving oil tank is arranged on one side of the peripheral wall of the front cylinder cover, and a second oil inlet hole communicated with a second driving oil tank is formed in one side of the peripheral wall of the rear cylinder cover, a first valve needle assembly communicated with the first driving oil tank is arranged on the other side of the peripheral wall of the rear cylinder cover, and a sealing structure is arranged between the front cylinder cover and the piston, between the front cylinder cover and the cylinder, between the ring platform and the cylinder, between the rear cylinder cover and the piston, and between the rear cylinder cover and the mounting seat.

Further, the utility model relates to an automatic pressing device for voltage regulator detects, wherein, the external diameter that the piston is located first drive oil tank is greater than the external diameter that the piston is located the second drive oil tank.

Further, the utility model relates to an automatic closing device for voltage regulator detects, wherein, first needle subassembly and second valve needle subassembly all include screw rod and nut, the nut is fixed on the screw rod, be equipped with first seal groove along circumference on the periphery wall of first half of screw rod, the cover is equipped with O type sealing washer in the first seal groove, be equipped with on the preceding cylinder cap with the first mounting hole of first drive oil tank intercommunication with, be equipped with the second mounting hole with second drive oil tank intercommunication on the back cylinder cap, first needle subassembly is adorned soon in first mounting hole, and second valve needle subassembly is adorned at the second mounting hole.

Further, the utility model relates to an automatic pressing device for voltage regulator detects, wherein, first one of the inner chamber of first inlet port and second inlet port is big-end-up's toper, and the lower half is cylindrically.

Further, the utility model relates to an automatic pressing device for voltage regulator detects, wherein, be equipped with the second seal groove on the terminal surface of mount pad and back cylinder cap contact, be equipped with O type sealing washer in the second seal groove, be equipped with the flange on the other terminal surface of mount pad, the flange is used for connecting the test pipeline.

Further, the utility model relates to an automatic closing device for voltage regulator detects, wherein, the piston stretches out from the cylinder head, is equipped with the third seal groove on the terminal surface that exposes of piston extension, be equipped with O type sealing washer in the third seal groove to be equipped with sealed waterline on the terminal surface that exposes of piston.

Further, the utility model relates to an automatic closing device for voltage regulator detects, wherein, the inside wall that the preceding cylinder cap is located first inlet port the place ahead is equipped with first guide way, fourth seal groove and fifth seal groove from the front to back along circumference in proper order, is equipped with the first guide ring in the first guide way, all is equipped with star type sealing washer in fourth seal groove and the fifth seal groove; the rear cylinder cover is located on the inner side wall behind the second oil inlet hole and is sequentially provided with a sixth sealing groove, a seventh sealing groove and a second guide groove from front to back along the circumferential direction, star-shaped sealing rings are arranged in the sixth sealing groove and the seventh sealing groove, and a second guide ring is arranged in the second guide groove.

Further, the utility model relates to an automatic pressing device for voltage regulator detects, wherein, the ring platform periphery wall is equipped with two seal grooves along the circumference interval, the star type sealing washer is equipped with in the seal groove zhonghuan.

Further, the utility model relates to an automatic closing device for voltage regulator detects, wherein, preceding cylinder cap has the first axial protrusion that extends towards first drive oil tank direction, set up O type sealing washer between first axial protrusion and the cylinder perisporium in opposite directions, back cylinder cap has the second axial protrusion that extends towards second drive oil tank direction, set up O type sealing washer between second axial protrusion and the cylinder perisporium in opposite directions.

The utility model relates to an automatic pressing device for voltage regulator detects compares with prior art, has following advantage: during detection, the mounting seat is fixedly connected with a test pipeline in advance, the piston and the pressure regulator are coaxially arranged, then hydraulic oil is driven into the second oil inlet hole, the piston extends out under the action of hydraulic pressure, and the pressure regulator is tightly pressed on the test pipeline, so that the inspection test can be carried out; after the detection is finished, only hydraulic oil needs to be driven into the first oil inlet hole, and the piston is retracted under the hydraulic action, so that the inspection and the test can be finished. The device omits a large amount of repeated bolt fixing and disassembling operations in the existing installation mode, obviously reduces the labor intensity and improves the detection efficiency.

The following describes an automatic pressing device for voltage regulator detection in further detail with reference to the specific embodiments shown in the drawings.

Drawings

Fig. 1 is a schematic structural diagram of an automatic pressing device for voltage regulator detection according to the present invention;

fig. 2 is a schematic structural view of the valve needle assembly of the present invention.

Detailed Description

As shown in figure 1, the utility model relates to an embodiment of an automatic pressing device for voltage regulator detection, which comprises a cylinder barrel 1, a tubular piston 2, a front cylinder cover 3, a rear cylinder cover 4 and a mounting seat 5, wherein the piston 2 is installed in the cylinder barrel 1, the front cylinder cover 3 is sleeved on the piston 2 and fixed at the front end of the cylinder barrel 1, the rear cylinder cover 4 is sleeved on the piston 2 and fixed at the rear end of the cylinder barrel 1, the mounting seat 5 is sleeved on the piston 2 and fixed at the rear end of the rear cylinder cover 4, the front cylinder cover 3, the rear cylinder cover 4, a driving oil tank is formed between the outer wall of the piston 2 and the inner wall of the cylinder barrel 1, a ring platform 21 connected with the piston 2 is arranged at the middle part of the outer side of the piston 2, the ring platform 21 divides the driving oil tank into a first driving oil tank 6 and a second driving oil tank 7, a first oil inlet hole 31 communicated with the first driving oil tank 6 is arranged at one side of the outer peripheral wall, and a second oil inlet hole 41 communicated with a second driving oil tank 7 is formed in one side of the peripheral wall of the rear cylinder cover 4, a second valve needle assembly 9 communicated with the second driving oil tank 7 is arranged on the other side of the peripheral wall of the rear cylinder cover 4, and a sealing structure is arranged between the front cylinder cover 3 and the piston 2, between the front cylinder cover 3 and the cylinder barrel 1, between the ring platform 21 and the cylinder barrel 1, between the rear cylinder cover 4 and the piston 2, and between the rear cylinder cover 4 and the mounting seat 5.

The automatic pressing device for the voltage regulator detection is simple to operate, reduces labor intensity and improves detection efficiency. During detection, the mounting seat 5 is fixedly connected with a test pipeline in advance, the piston 2 and the pressure regulator are coaxially arranged, then hydraulic oil is driven into the second oil inlet hole 41, the piston 2 extends out under the action of hydraulic pressure, and the pressure regulator is tightly pressed on the test pipeline, so that the test can be carried out; after the detection is finished, the hydraulic oil is driven into the first oil inlet hole 31, and the piston 2 is retracted under the hydraulic action, so that the inspection and the test can be finished. The device omits a large amount of repeated bolt fixing and disassembling operations in the existing installation mode, obviously reduces the labor intensity and improves the detection efficiency.

As a specific embodiment of the present invention, the outer diameter of the piston 2 in the first drive oil tank 6 is larger than the outer diameter of the piston 2 in the second drive oil tank 7. In practical use, the piston 2 is extended, and hydraulic oil is pumped into the second driving oil tank 7 through the second oil inlet hole 41; the piston 2 is retracted by pumping hydraulic oil into the first driving oil tank 6 through the first oil inlet hole 31; by adopting the design, the volume of the first driving oil tank 6 is smaller than that of the second driving oil tank 7, so that when the piston 2 extends out, a large amount of hydraulic oil needs to be pumped in to push the piston 2 to extend out, the extending speed of the piston 2 is slow and easy to control, and the regulator cannot be damaged; when the piston 2 is retracted, the oil quantity of the hydraulic oil required in the extending process is small, the retracting speed is high, and the disassembling time is further saved.

As shown in fig. 2, in an embodiment of the present invention, the first valve needle assembly 8 and the second valve needle assembly 9 are assemblies for controlling the opening and closing of the first drive oil tank 6 and the second drive oil tank 7. The design method specifically adopts the following design modes: first needle subassembly 8 and second valve needle subassembly 9 all include screw rod 12 and nut 11, nut 11 is fixed on screw rod 12, be equipped with first seal groove 13 along circumference on the periphery wall of the first half of screw rod 12, the cover is equipped with O type sealing washer in the first seal groove 13, be equipped with the first mounting hole 32 with first drive oil tank 6 intercommunication on the front cylinder cap 3, be equipped with the second mounting hole 42 with second drive oil tank 7 intercommunication on the rear cylinder cap 4, first needle subassembly 8 is adorned soon in first mounting hole 32, second valve needle subassembly 9 is adorned soon in second mounting hole 42. When the piston 2 is extended, the first valve needle assembly 8 needs to be opened (i.e. the first valve needle assembly 8 is unscrewed from the front cylinder cover 3), and the second valve needle assembly 9 needs to be closed (i.e. the second valve needle assembly 9 is screwed on the rear cylinder cover 4); when the piston 2 is retracted, the second valve needle assembly 9 needs to be opened (i.e. the second valve needle assembly 9 is unscrewed from the rear cylinder head 4) and the valve needle assembly 8 needs to be closed (i.e. the first valve needle assembly 8 is screwed onto the front cylinder head 3).

On the basis of the above embodiment, the upper half part of the inner cavity of the first oil inlet hole 31 and the second oil inlet hole 41 in the embodiment is in a conical shape with a large upper part and a small lower part, and the lower half part is in a cylindrical shape. The purpose is for convenient connection cutting ferrule formula awl screw thread right angle coupling.

In order to guarantee the connection strength with the test pipeline, a second sealing groove 51 is arranged on the end face of the mounting base 5, which is in contact with the rear cylinder cover 4, an O-shaped sealing ring is arranged in the second sealing groove 51, a flange 52 is arranged on the other end face of the mounting base 5, and the flange 52 is used for connecting the test pipeline.

To ensure the tightness of the device, a sealing structure is provided between each of the connected components.

The sealing structure between the piston 2 and the pressure regulator is as follows: when the piston type air cylinder is used, the piston 2 extends out of the front cylinder cover 3, a third sealing groove 22 is formed in the exposed end face of the extending portion of the piston 2, an O-shaped sealing ring is arranged in the third sealing groove 22, and a sealing waterline is formed in the exposed end face of the piston 2. Wherein the O-shaped sealing ring is an O-shaped rubber sealing ring for hydraulic and pneumatic use.

The sealing structure between the front cylinder cover 3 and the piston 2 and between the rear cylinder cover 4 and the piston 2 is as follows: a first guide groove 33, a fourth seal groove 34 and a fifth seal groove 35 are sequentially arranged on the inner side wall of the front cylinder cover 3 in front of the first oil inlet hole 31 from front to back along the circumferential direction, a first guide ring is arranged in the first guide groove 33, and star-shaped seal rings are arranged in the fourth seal groove 34 and the fifth seal groove 35; the rear cylinder cover 4 is located on the inner side wall behind the second oil inlet 41 and is sequentially provided with a sixth sealing groove 43, a seventh sealing groove 44 and a second guide groove 45 from front to back along the circumferential direction, star-shaped sealing rings are arranged in the sixth sealing groove 43 and the seventh sealing groove 44, and a second guide ring is arranged in the second guide groove 45. Wherein the O-shaped sealing ring is an O-shaped rubber sealing ring for hydraulic and pneumatic use.

The sealing structure between the first drive oil tank 6 and the second drive oil tank 7 is as follows: prevent that hydraulic oil from drunkenness in two oil tanks, be equipped with two seal grooves 23 along circumference interval at the periphery wall of ring platform 21, the star type sealing washer is equipped with in the seal groove 23 zhonghuan. The star-shaped sealing ring is made of butadiene-acrylonitrile rubber.

Between preceding cylinder cap 3 and cylinder 1, the seal structure between back cylinder cap 4 and cylinder 1 is as follows: the front cylinder head 3 has a first axial projection 36 extending in the direction of the first drive oil tank 6, an O-ring seal is provided between the first axial projection 36 and the facing peripheral wall of the cylinder tube 1, the rear cylinder head 4 has a second axial projection 46 extending in the direction of the second drive oil tank 7, and an O-ring seal is provided between the second axial projection 46 and the facing peripheral wall of the cylinder tube 1.

In the description of the present invention, it is to be understood that the terms "lateral," "length," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like, as used herein, refer to an orientation or positional relationship as shown in the accompanying drawings, which are meant only for convenience of description and simplicity of illustration, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The above embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the present invention as defined by the claims.

Claims

1. The automatic pressing device for the voltage regulator detection is characterized by comprising a cylinder barrel (1), a tubular piston (2), a front cylinder cover (3), a rear cylinder cover (4) and a mounting seat (5), wherein the piston (2) is installed in the cylinder barrel (1), the front cylinder cover (3) is sleeved on the piston (2) and fixed at the front end of the cylinder barrel (1), the rear cylinder cover (4) is sleeved on the piston (2) and fixed at the rear end of the cylinder barrel (1), the mounting seat (5) is sleeved on the piston (2) and fixed at the rear end of the rear cylinder cover (4), a driving oil tank is formed among the outer wall of the front cylinder cover (3), the rear cylinder cover (4), the piston (2) and the inner wall of the cylinder barrel (1), a ring platform (21) connected with the piston (2) into a whole is arranged in the middle of the outer side of the piston (2), the ring platform (21) divides the driving oil tank into a first driving oil tank (6) and a second driving, preceding cylinder cap (3) periphery wall one side is equipped with first inlet port (31) with first drive oil tank (6) intercommunication, and preceding cylinder cap (3) periphery wall opposite side is equipped with first needle subassembly (8) with first drive oil tank (6) intercommunication, back cylinder cap (4) periphery wall one side is equipped with second inlet port (41) with second drive oil tank (7) intercommunication, and back cylinder cap (4) periphery wall opposite side is equipped with second valve needle subassembly (9) with second drive oil tank (7) intercommunication, and between preceding cylinder cap (3) and piston (2), between preceding cylinder cap (3) and cylinder (1), between ring platform (21) and cylinder (1), between back cylinder cap (4) and piston (2), all be equipped with seal structure between back cylinder cap (4) and mount pad (5).

2. An automatic pressing device for voltage regulator testing according to claim 1, characterized in that the outer diameter of the piston (2) in the first driving oil tank (6) is greater than the outer diameter of the piston (2) in the second driving oil tank (7).

3. The automatic pressing device for pressure regulator detection according to claim 2, wherein the first valve needle assembly (8) and the second valve needle assembly (9) each include a screw rod (12) and a nut (11), the nut (11) is fixed on the screw rod (12), a first sealing groove (13) is circumferentially arranged on the outer peripheral wall of the upper half of the screw rod (12), an O-ring is sleeved in the first sealing groove (13), a first mounting hole (32) communicated with the first driving oil tank (6) is arranged on the front cylinder cover (3), a second mounting hole (42) communicated with the second driving oil tank (7) is arranged on the rear cylinder cover (4), the first valve needle assembly (8) is screwed in the first mounting hole (32), and the second valve needle assembly (9) is screwed in the second mounting hole (42).

4. The automatic pressing device for pressure regulator detection according to claim 3, characterized in that the upper half part of the inner cavity of the first oil inlet hole (31) and the second oil inlet hole (41) is in a conical shape with a big top and a small bottom, and the lower half part is in a cylindrical shape.

5. The automatic pressing device for the voltage regulator detection according to claim 4, wherein a second sealing groove (51) is formed in an end face, in contact with the rear cylinder cover (4), of the mounting seat (5), an O-shaped sealing ring is arranged in the second sealing groove (51), a flange (52) is arranged on the other end face of the mounting seat (5), and the flange (52) is used for being connected with a test pipeline.

6. The automatic pressing device for the voltage regulator detection according to claim 5, wherein the piston (2) extends out from the front cylinder cover (3), a third sealing groove (22) is formed in an exposed end face of an extending portion of the piston (2), an O-shaped sealing ring is arranged in the third sealing groove (22), and a sealing waterline is formed in the exposed end face of the piston (2).

7. The automatic pressing device for the voltage regulator detection according to claim 6, wherein a first guide groove (33), a fourth seal groove (34) and a fifth seal groove (35) are sequentially arranged on the inner side wall of the front cylinder cover (3) in front of the first oil inlet hole (31) from front to back along the circumferential direction, a first guide ring is arranged in the first guide groove (33), and star-shaped seal rings are arranged in the fourth seal groove (34) and the fifth seal groove (35); the rear cylinder cover (4) is located on the inner side wall behind the second oil inlet hole (41) and is sequentially provided with a sixth sealing groove (43), a seventh sealing groove (44) and a second guide groove (45) from front to back along the circumferential direction, star-shaped sealing rings are arranged in the sixth sealing groove (43) and the seventh sealing groove (44), and a second guide ring is arranged in the second guide groove (45).

8. The automatic pressing device for voltage regulator detection according to claim 7, wherein the peripheral wall of the annular table (21) is circumferentially provided with two sealing grooves (23) at intervals, and a star-shaped sealing ring is arranged in the sealing groove (23) in a looped manner.

9. The automatic pressing device for the voltage regulator test according to claim 8, characterized in that said front head (3) has a first axial projection (36) extending towards the first driving oil tank (6), an O-ring is arranged between said first axial projection (36) and the facing peripheral wall of the cylinder (1), said rear head (4) has a second axial projection (46) extending towards the second driving oil tank (7), and an O-ring is arranged between said second axial projection (46) and the facing peripheral wall of the cylinder (1).