CN211717966U

CN211717966U - Special fixture of valve pressure detection

Info

Publication number: CN211717966U
Application number: CN202020230125.4U
Authority: CN
Inventors: 李喆; 陈楠; 李硕铭
Original assignee: Shenyang Hexing Automation Equipment Co ltd
Current assignee: Shenyang Hexing Automation Equipment Co ltd
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2020-10-20
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a special fixture of valve pressure check, including the frame body, the frame body both sides are equipped with the riser, be equipped with a hole slide on the riser, be equipped with the trip grillage between the riser, trip grillage center department is equipped with the depression bar, be equipped with the bulge loop on the depression bar, the depression bar lower part is equipped with the transmission cover, transmission cover both sides are equipped with the gleitbretter, gleitbretter and a hole slide sliding fit, transmission cover lower extreme is equipped with fixture, it reciprocates through the screw drive of depression bar with the transmission cover to go up fixture, it is equipped with down fixture to go up fixture below, lower fixture and frame. The utility model discloses a screw drive cooperation of depression bar and transmission cover drives that fixture can be rapid compresses tightly the valve test piece clamping, and sealed stability is high, makes the detection clamping efficiency of valve test piece obtain effectual promotion, can improve the work efficiency who detects greatly. In addition, the valve test piece smaller than the outer diameter of the rubber mat can be tested and detected, the trouble of replacing accessories is omitted, the universality is excellent, and a fixture does not need to be replaced.

Description

Special fixture of valve pressure detection

Technical Field

The utility model belongs to the technical field of the valve anchor clamps, in particular to special fixture of valve pressure measurement.

Background

Nowadays, after small valves with various diameters are produced, detection departments need to detect the pressure of water media and check the leakage condition. In fact, each valve needs to be detected when leaving the factory, and the detection workload is large. When a valve hydrostatic test is carried out, the original technology mostly adopts a threaded connection mode to be connected with two ends of a valve, namely, two ends of the valve with each specification are matched with clamps with the same thread size, the installation speed is extremely slow, the threads at two ends of the valve are screwed down by using tools, sealing fillers such as wound hemp or raw material belts are required to be added when the threads are screwed down and connected, if leakage occurs after one-time installation, the valve is disassembled and reassembled, the clamping and connection of the valve are troublesome, the installation efficiency is low, and the detection efficiency is reduced; in addition, the variety and the specification of valve are more, and the fixture of a specification just needs to be changed when every test piece of changing a specification is examined, and the commonality of fixture is extremely poor, and the accessory that needs when changing fixture is very much, and is comparatively loaded down with trivial details, and the step is various, and sealed unstable, easily takes place the seepage, influences the detection.

SUMMERY OF THE UTILITY MODEL

The invention provides a special clamp for detecting valve pressure, which aims to solve the technical problems of low installation efficiency, poor clamp installation universality and poor sealing effect of the proposed valve test piece.

The utility model provides a technical scheme that above-mentioned technical problem took is: the utility model provides a special fixture of valve pressure check, its structural feature lies in, including the frame body, the frame body both sides are equipped with the riser, be equipped with a hole slide on the riser, be equipped with the trip grillage between the riser, trip grillage both ends are equipped with quick double-screw bolt, quick double-screw bolt is arranged in and is compressed tightly between trip grillage and the riser in the hole slide, trip grillage center department is equipped with the depression bar, be equipped with the bulge loop on the depression bar, the depression bar lower part is equipped with the transmission cover, the transmission cover both sides are equipped with the gleitbretter, gleitbretter and a hole slide sliding fit, the transmission cover lower extreme is equipped with fixture, it reciprocates through the screw drive of depression bar with the transmission cover to.

Further, the upper portion of the strip-hole slideway is uniformly provided with clamping grooves, the quick studs, the strip-hole slideway and the clamping grooves are in clearance fit, the number of the quick studs is multiple, and the quick studs can be inserted into the clamping grooves and connected with the traveling block through threads.

Furthermore, the plate moving frame comprises an upper plate, a lower plate and a connecting arm, the upper plate is parallel to the lower plate, the convex ring of the pressure rod is arranged between the upper plate and the lower plate, the upper plate and the lower plate are connected with the pressure rod through bearings, and the upper plate and the lower plate are connected through the connecting arm in a bolted mode.

Furthermore, the transmission sleeve is welded with the sliding sheet, the transmission sleeve is the same as the axes of the pressure rod, the upper fixture and the lower fixture, the transmission sleeve is in transmission fit connection with the pressure rod through trapezoidal threads, and the pressure rod rotates to drive the sliding sheet on two sides of the transmission sleeve and the upper fixture to synchronously move.

Further, the upper fixture and the lower fixture are identical in shape and are oppositely arranged.

Furthermore, a third-level concave table is arranged on the inner side of the lower fixture, a convex pipe is arranged in the center of the third-level concave table, a flow channel is arranged in the convex pipe and the lower fixture, a water connector is arranged on the outer wall of the lower fixture, and the water connector is in threaded connection with the lower fixture so as to be communicated with the flow channel to form a passage.

Furthermore, a rubber pad is arranged in the third-level concave table, the rubber pad is sleeved on the convex pipe and is tightly attached to the third-level concave table, and the outer end of the rubber pad is in a conical surface shape of a conical body.

The utility model has the advantages that: the utility model discloses a depression bar and the screw drive cooperation of transmission cover drive go up fixture can carry out quick removal from top to bottom, only need upwards or twist downwards the depression bar can be rapid dress card or dismantle the valve test piece that is detected, the circular cushion that sealed department adopted the processing of polyurethane material to make, withstand voltage and resilience are good, and sealed effectual stability is good, is difficult for taking place the seepage. In addition, the valve test piece smaller than the outer diameter of the rubber mat can be tested and detected, the trouble of replacing accessories is omitted, the universality is excellent, the fixture does not need to be replaced, the leakage at the joint can not occur, and the valve test piece can be repeatedly used. The device has the advantages of extremely simple operation process and high sealing stability, effectively improves the clamping efficiency of valve test piece installation detection, and can greatly improve the working efficiency of detection.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a partially enlarged schematic view of fig. 1 of the present invention;

fig. 3 is a left side view structure diagram of the present invention;

fig. 4 is a perspective view of the lower clamp of the present invention;

fig. 5 is a schematic front view of the lower fixture of the present invention;

fig. 6 is a schematic top view of the lower clamp of the present invention;

fig. 7 is a schematic front view of the rubber mat of the present invention;

fig. 8 is a schematic top view of the rubber mat of the present invention;

fig. 9 is a schematic perspective view of an embodiment of the present invention;

in the figure: the device comprises a frame body 1, a vertical plate 2, a 21-hole slideway, a 22 clamping groove, a 3-trip plate frame, a 31-speed stud, a 32 upper plate, a 33 lower plate, a 34 connecting arm, a 4 pressing rod, a 41 convex ring, a 5 transmission sleeve, a 51 sliding sheet, a 6 upper fixture, a 7 lower fixture, a 71-level concave table, a 72 convex pipe, a 73 runner, a 74 water joint, a 75 rubber cushion and an 8-valve test piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

As an example, as shown in fig. 1, fig. 2 and fig. 3, a fixture special for detecting valve pressure has a structural characteristic that the fixture comprises a frame body 1 made of a metal plate, vertical plates 2 can be welded to two sides of the frame body 1, a strip hole slide rail 21 can be machined on the vertical plates 2, the strip hole slide rail 21 is in a strip hole shape, clamping grooves 22 can be uniformly arranged on the upper portion of the strip hole slide rail 21, the clamping grooves 22 are also in a strip hole shape, the width of holes of the strip hole slide rail 21 is the same as that of the clamping grooves 22, and the length direction of the strip hole of the clamping groove 22 can be perpendicular to the length direction of the strip hole slide rail 21. The traveling plate frame 3 can be arranged between the vertical plates 2, two ends of the traveling plate frame 3 can be in threaded connection with the quick studs 31, the quick studs 31 are in bolt shapes, the quick studs 31 can be in clearance fit with the slotted slideway 21 and the clamping grooves 22, the number of the quick studs 31 can be multiple, the quick studs 31 can be inserted into the slotted slideway 21 and the clamping grooves 22, and the quick studs 31 can tightly press and connect the traveling plate frame 3 and the vertical plates 2; the floating plate frame 3 can further comprise an upper plate 32, a lower plate 33 and a connecting arm 34, the upper plate 32 and the lower plate 33 are parallel, the upper plate 32 and the lower plate 33 can be bolted through the connecting arm 34, and the left end and the right end of the upper plate 32 and the left end and the right end of the lower plate 33 of the floating plate frame 3 can be connected with the vertical plate 2 in a pressing mode through the quick studs 31.

As an example, referring to fig. 1, 2, 3 and 9, a press rod 4 may be provided at the center of the balance frame 3, and the press rod 4 is turned and welded with a cross-bar wrench; the press rod 4 can be integrally turned to form a convex ring 41, the convex ring 41 of the press rod 4 can be arranged between the upper plate 32 and the lower plate 33, the connecting part of the shaft part of the press rod 4 and the upper plate 32 and the lower plate 33 is connected by adopting a deep groove ball bearing, the upper end surface and the lower end surface of the convex ring 41 can be in bearing connection with the upper plate 32 and the lower plate 33 by adopting a pressure bearing, and the press rod 4 can smoothly rotate axially on the traveling block 3. 4 lower parts of depression bar can be equipped with

transmission cover

5, 5 both sides of transmission cover can be equipped with gleitbretter 51, gleitbretter 51 is glossy sheetmetal, gleitbretter 51 can arrange in strip hole slide 21 rather than clearance fit, gleitbretter 51 slides in strip hole slide 21, welded connection can be carried out with gleitbretter 51 to transmission cover 5, depression bar 4 can insert and carry out transmission cooperation through trapezoidal thread in the transmission cover 5 and be connected, depression bar 4 rotates and to make the synchronous reciprocating of transmission cover 5 and gleitbretter 51, the axial rotation can not appear in spacing messenger's transmission cover 5 through gleitbretter 51 and strip hole slide 21 when depression bar 4 rotates, guarantee that the screw thread between depression bar 4 and the transmission cover 5 can screw in and screw out. The lower end of the transmission sleeve 5 can be provided with an upper clamping apparatus 6, the upper clamping apparatus 6 can be welded with the transmission sleeve 5 or integrally manufactured, and the upper clamping apparatus 6 can move up and down through the screw transmission of the pressure rod 4 and the transmission sleeve 5.

As an example, as shown in fig. 1, 3, 4, 5, 6 and 9, a lower jig 7 may be provided below the upper jig 6, and the upper jig 6 and the lower jig 7 may have the same shape and may be oppositely disposed. The lower clamp 7 may be screwed to the frame body 1 or integrally formed of a metal member. The inner side of the lower fixture 7 can be processed into a third-level concave table 71, a convex pipe 72 can be arranged at the center of the third-level concave table 71, a flow passage 73 can be arranged in the convex pipe 72 and the lower fixture 7, the flow passage 73 is processed in the convex pipe 72 through a drill, another vertical flow passage 73 is drilled on the main side surface of the lower fixture 7, the two drilled holes are communicated to form a passage, a water joint 74 which is quickly connected with other pipelines can be bolted at the position of the flow passage 73 on the outer wall of the lower fixture 7, and the water joint 74 is communicated with the flow passage 73 to form the passage. Referring to fig. 5, 6, 7, 8 and 9, a circular rubber pad 75 made of polyurethane material may be disposed in the third-stage concave stage 71, the rubber pad 75 may be sleeved on the convex pipe 72 and closely attached to the third-stage concave stage 71, and an outer end of the rubber pad 75 may be in a conical surface shape of a cone.

In the embodiment of the present invention, the driving sleeve 5 may be the same as the axis of the pressing rod 4, the upper fixture 6 and the lower fixture 7, and the distance between the upper fixture 6 and the lower fixture 7 may be reduced or increased by rotating the pressing rod 4. Referring to fig. 9, the position between the traveling plate frame 3 and the vertical plate 2 can be adjusted by dismounting and mounting the quick stud 31, so that the height can be adjusted when valve test pieces of different models are clamped. After the bolt clamping of the positions of the trip plate frame 3 and the vertical plate 2, the stability of the integral connection with the frame body 1 is excellent. The two ends of the valve test piece 8 are placed on the rubber mat 75 between the upper clamp 6 and the lower clamp 7, the rubber mat 75 has a good centering effect and is easy to place, then the pressing rod 4 is rotated to enable the upper clamp 6 to move downwards, and the upper clamp 6 and the lower clamp 7 firmly clamp the valve test piece 8. The water connectors 74 on the upper clamping apparatus 6 and the lower clamping apparatus 7 can be connected with a pipeline pipe of a pressure test device, so that the pressure test detection operation of the valve test piece 8 can be carried out, when the valve test piece 8 is replaced, the pressing rod 4 is rotated to enable the upper clamping apparatus 6 to move upwards, and the operation is very convenient. In practical application, all valve test pieces 8 smaller than the outer diameter of the rubber gasket 75 can be tested and detected, small valves with various diameters below DN70 can be used universally, and the device can be used as a matched clamp for carrying out hydraulic pressure detection on various small valves.

The utility model discloses a quick removal about fixture 6 can carry out in the screw drive cooperation of depression bar 4 and transmission cover 5 drives, only need upwards or twist downwards depression bar 4 dress card that can be rapid or dismantle the valve test piece 8 that is detected, the circular shape cushion 75 that sealed department adopted the processing of polyurethane material to make, cushion 75 is withstand voltage and the resilience is good, and sealed effectual stability is good, is difficult for taking place the seepage. In addition, the valve test piece 8 smaller than the outer diameter of the rubber pad 75 can be tested and detected, the trouble of replacing accessories is omitted, the universality is excellent, a fixture does not need to be replaced, leakage does not occur at the joint, and the valve test piece can be repeatedly used. This device operation process is very simple, and sealed stability is high, makes the clamping efficiency of valve test piece 8 installation detection obtain effectual improvement, can improve the work efficiency who detects greatly.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.

Claims

1. The utility model provides a special fixture of valve pressure detection which characterized in that: including the frame body, the frame body both sides are equipped with the riser, be equipped with a hole slide on the riser, be equipped with the trip grillage between the riser, trip grillage both ends are equipped with quick double-screw bolt, quick double-screw bolt is arranged in and is compressed tightly between trip grillage and the riser in the hole slide, trip grillage center department is equipped with the depression bar, be equipped with the bulge loop on the depression bar, the depression bar lower part is equipped with the transmission cover, transmission cover both sides are equipped with the gleitbretter, gleitbretter and a hole slide sliding fit, the transmission cover lower extreme is equipped with fixture, it reciprocates through the screw drive of depression bar with the transmission cover to go up fixture, it is.

2. The special fixture for detecting valve pressure according to claim 1, characterized in that: the upper portion of the strip-hole slideway is uniformly provided with clamping grooves, the quick studs, the strip-hole slideway and the clamping grooves are in clearance fit, the number of the quick studs is multiple, and the quick studs can be inserted into the clamping grooves and are in threaded connection with the traveling block frame.

3. The special fixture for detecting valve pressure according to claim 1, characterized in that: the traveling plate frame comprises an upper plate, a lower plate and a connecting arm, the upper plate is parallel to the lower plate, a convex ring of a pressure rod is arranged between the upper plate and the lower plate, the upper plate and the lower plate are connected with the pressure rod through bearings, and the upper plate and the lower plate are connected through the connecting arm in a bolted mode.

4. The special fixture for detecting valve pressure according to claim 1, characterized in that: the transmission sleeve is welded with the sliding sheet, the transmission sleeve is the same as the axes of the pressure rod, the upper fixture and the lower fixture, the transmission sleeve is in transmission fit connection with the pressure rod through trapezoidal threads, and the pressure rod can rotate to drive the sliding sheet on two sides of the transmission sleeve and the upper fixture to move synchronously.

5. The special fixture for detecting valve pressure according to claim 1, characterized in that: the upper fixture and the lower fixture are completely identical in shape and are oppositely arranged.

6. The special fixture for detecting valve pressure according to claim 1, characterized in that: the inner side of the lower fixture is provided with a third-level concave table, the center of the third-level concave table is provided with a convex pipe, a flow channel is arranged in the convex pipe and the lower fixture, the outer wall of the lower fixture is provided with a water connector, and the water connector is in threaded connection with the lower fixture to be communicated with the flow channel to form a passage.

7. The special fixture for detecting valve pressure according to claim 6, wherein: and a rubber pad is arranged in the third-stage concave table, is sleeved on the convex pipe and is tightly attached to the third-stage concave table, and the outer end of the rubber pad is in a conical surface shape of a conical body.