CN212391344U

CN212391344U - Pressure test fixture

Info

Publication number: CN212391344U
Application number: CN202020680105.7U
Authority: CN
Inventors: 吴水群
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-22
Anticipated expiration: 2030-04-28

Abstract

The utility model relates to the technical field of jigs, and discloses a pressure test jig, which comprises a pressing device, a pressure dispersion device and a loading device, wherein the pressing device comprises a supporting rod, the lower surface of the supporting rod is fixedly connected with a base, the upper surface of the supporting rod is fixedly connected with a fixed rod, the left surface of the lower surface of the fixed rod is fixedly connected with a hydraulic upper rod, the peripheral outer side surface of the hydraulic upper rod is slidably connected with a hydraulic lower rod, the peripheral outer side surface of the hydraulic lower rod is provided with a first clamping groove, the lower surface of the hydraulic lower rod is fixedly connected with a pressing plate, the pressure dispersion device comprises a connecting ring, the front side and the rear side of the connecting ring are fixedly connected with a first connecting rod, and the left side and the right side of the connecting ring are fixedly connected with a second connecting rod, so that the hydraulic rod of the, the pressure distribution is not uniform, and the pressure test deviation is large.

Description

Pressure test fixture

Technical Field

The utility model relates to a tool technical field specifically is a pressure test tool.

Background

The jig is a tool for carpenters, ironmen, pincers, machines, electrical controls and other handicrafts, and is mainly used as a tool for assisting in controlling position or action (or both). The jig can be divided into a process assembly type jig, a project test type jig and a circuit board test type jig, and a plate to be tested needs to be placed on a loading table to be extruded when the pressure of the plate is tested.

However, most of the hydraulic rods of the existing pressure testing jig are directly fixedly connected with the center of the pressing plate, so that the pressure at the center of the pressing plate is larger than the pressure at the periphery, the pressure distribution is uneven, and the deviation of the pressure testing is larger.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a pressure test tool possesses pressure distribution uniformity and prevents advantages such as too big crushing panel of pressure, has solved the center department that current pressure test tool hydraulic stem mostly all is direct fixed connection clamp plate, leads to when pressure test, and the pressure ratio at clamp plate center is great than edge all around, makes pressure distribution inhomogeneous, makes the great problem of pressure test deviation.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure test fixture, includes push down device, pressure dispersion devices and loading attachment, push down the device and include the bracing piece, the lower fixed surface of bracing piece is connected with the base, the last fixed surface of bracing piece is connected with the dead lever, the lower surface left end fixedly connected with hydraulic pressure upper boom of dead lever, the circumference lateral surface sliding connection of hydraulic pressure upper boom has hydraulic pressure lower boom, draw-in groove one has been seted up to hydraulic pressure lower boom's circumference lateral surface, hydraulic pressure lower boom's lower fixed surface is connected with the clamp plate.

Preferably, the pressure dispersing device comprises a connecting ring, a first connecting rod is fixedly connected to the front side and the rear side of the connecting ring, a second connecting rod is fixedly connected to the left side and the right side of the connecting ring, a connecting plate is fixedly connected to the surface of one end, far away from the connecting ring, of the first connecting rod and the second connecting rod, and pressing blocks are fixedly connected to four corners of the lower surface of the connecting plate.

Preferably, the loading device comprises a loading table, the front end and the rear end of the upper surface of the loading table and the right end edge of the loading table are fixedly connected with baffles, a second clamping groove is formed in the left side face of each baffle, the edge of the left end of the upper surface of the loading table is hinged with a side plate, and the front end and the rear end of the upper surface of the side plate are fixedly connected with clamping blocks.

Preferably, the inner wall of the connecting ring is fixedly connected with the inner wall of the first clamping groove, the lower surface of the pressing block is fixedly connected with the upper surface of the pressing plate, and the loading device is located below the pressure dispersing device.

(III) advantageous effects

Compared with the prior art, the utility model provides a pressure test fixture possesses following beneficial effect:

1. the pressure test fixture is characterized in that a plate is placed on the upper surface of a loading platform, the edge of the plate is aligned with the inner wall of a baffle plate, then a side plate is turned over, a clamping block slides into the inner wall of a clamping groove to be clamped, the plate is prevented from sliding when in pressure test, the height of the plate is slightly higher than that of the baffle plate, a hydraulic lower rod presses a pressing plate downwards to extrude the plate, the hydraulic lower rod is fixedly connected with a pressure dispersion device through the clamping groove I, when the pressing plate is pressed downwards by the hydraulic lower rod to enable the pressing plate to generate fine deformation, the downward pressure of the hydraulic lower rod is transmitted to the pressure dispersion device through the clamping groove I and finally evenly distributed on a pressing block, the pressing block also generates downward pressure on the pressing plate, the single downward pressure of the hydraulic lower rod is distributed into a plurality of average forces and distributed on a plurality of positions of the pressing plate, so that the stress of each position of the upper surface of the plate is more even, and the condition that the, make the test result more accurate, solved the center department that current pressure test tool hydraulic stem mostly all is direct fixed connection clamp plate, lead to in pressure test, the pressure ratio at clamp plate center is great than edge all around, makes pressure distribution inhomogeneous, makes the great problem of pressure test deviation.

2. This pressure test tool through setting up baffle and curb plate, when supplementary fixed panel, when panel pushes down to a certain extent, the lower surface of clamp plate is withstood to the upper surface of baffle and curb plate, prevents that the clamp plate from pushing down excessively crushing panel.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is an exploded view of the overall structure of the present invention.

In the figure: the device comprises a 1 pressing device, a 101 supporting rod, a 102 base, a 103 fixing rod, a 104 hydraulic upper rod, a 105 hydraulic lower rod, a 106 clamping groove I, a 107 pressing plate, a 2 pressure dispersing device, a 201 connecting ring, a 202 connecting rod I, a 203 connecting rod II, a 204 connecting plate, a 205 pressing block, a 3 loading device, a 301 loading platform, a 302 baffle, a 303 clamping groove II, a 304 side plate and a 305 clamping block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a pressure test fixture comprises a pressing device 1, a pressure dispersing device 2 and a loading device 3, wherein the pressing device 1 comprises a supporting rod 101, a base 102 is fixedly connected to the lower surface of the supporting rod 101, a fixing rod 103 is fixedly connected to the upper surface of the supporting rod 101, a hydraulic upper rod 104 is fixedly connected to the left end of the lower surface of the fixing rod 103, a hydraulic lower rod 105 is slidably connected to the outer side surface of the circumference of the hydraulic upper rod 104, a first clamping groove 106 is formed in the outer side surface of the circumference of the hydraulic lower rod 105, a pressing plate 107 is fixedly connected to the lower surface of the hydraulic lower rod 105, the pressure dispersing device 2 comprises a connecting ring 201, a first connecting rod 202 is fixedly connected to the front side surface and the rear side surface of the connecting ring 201, a second connecting rod 203 is fixedly connected to the left side surface and the right side surface of the connecting, the loading device 3 comprises a loading platform 301, baffle plates 302 are fixedly connected to the front end, the rear end and the right end of the upper surface of the loading platform 301, a second clamping groove 303 is formed in the left side surface of each baffle plate 302, a side plate 304 is hinged to the left end edge of the upper surface of the loading platform 301, clamping blocks 305 are fixedly connected to the front end and the rear end of the upper surface of each side plate 304, when a plate is pressed downwards to a certain degree in an auxiliary fixing mode, the upper surfaces of the baffle plates 302 and the side plates 304 support against the lower surface of the pressing plate 107 to prevent the plate from being damaged due to excessive pressing of the pressing plate 107, the inner wall of the side plate 304 is fixedly connected with the inner wall of the first clamping groove 106, the lower surface of the pressing block 205 is fixedly connected with the upper surface of the pressing plate 107, the loading device 3 is located below the pressure dispersing device 2 to distribute single pressing force of the hydraulic pressing rod 105 into a plurality of average forces, the condition that the center is crushed first can not occur, so that the test result is more accurate.

When the device is used, a plate is placed on the upper surface of the loading platform 301, the edge of the plate is aligned with the inner wall of the baffle 302, then the side plate 304 is turned over, the clamping block 305 slides into the inner wall of the clamping groove II 303 to be clamped, the plate is completely enclosed, the plate is prevented from sliding during pressure testing, the height of the plate is slightly higher than that of the baffle 302, the hydraulic pressure rod 105 downwards presses the pressing plate 107 to extrude the plate, the hydraulic pressure rod 105 is fixedly connected with the pressure dispersion device 2 through the clamping groove I106, when the hydraulic pressure rod 105 downwards presses the pressing plate 107 to enable the pressing plate 107 to be slightly deformed, the downward pressure of the hydraulic pressure rod 105 is transmitted to the pressure dispersion device 2 through the clamping groove I106 and finally evenly distributed on the pressing block 205, the pressing block 205 also generates downward pressure on the pressing plate 107, the single downward pressure of the hydraulic pressure rod 105 is distributed into a plurality of even forces and distributed on a plurality of parts of the pressing plate 107, so that the pressure on each part of, the condition that central department was earlier crushed can not appear, it is more accurate to make the test result, the center department that has solved current pressure test tool hydraulic stem most all is direct fixed connection clamp plate, lead to in pressure test, the pressure ratio at clamp plate center is great than edge all around, it is inhomogeneous to make pressure distribution, make the great problem of pressure test deviation, through setting up baffle 302 and curb plate 304, in supplementary fixed panel, when the certain degree is pushed down to panel, the lower surface of clamp plate 107 is withstood to the upper surface of baffle 302 and curb plate 304, prevent that clamp plate 107 from pushing down excessively crushing panel.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressure test fixture, includes pushing down device (1), pressure dispersion devices (2) and loading attachment (3), its characterized in that: the pressing device (1) comprises a supporting rod (101), a lower surface fixed connection base (102) of the supporting rod (101), an upper surface fixed connection fixing rod (103) of the supporting rod (101), a lower surface left end fixed connection hydraulic pressing rod (104) of the fixing rod (103), a circumference outer side surface of the hydraulic pressing rod (104) is connected with a hydraulic pressing rod (105) in a sliding mode, a first clamping groove (106) is formed in the circumference outer side surface of the hydraulic pressing rod (105), and a pressing plate (107) is connected to the lower surface fixed connection of the hydraulic pressing rod (105).

2. The pressure testing fixture of claim 1, wherein: the pressure dispersion device (2) comprises a connecting ring (201), a first connecting rod (202) is fixedly connected to the front side and the rear side of the connecting ring (201), a second connecting rod (203) is fixedly connected to the left side and the right side of the connecting ring (201), a connecting plate (204) is fixedly connected to the surface of one end, away from the connecting ring (201), of the first connecting rod (202) and the second connecting rod (203), and pressing blocks (205) are fixedly connected to four corners of the lower surface of the connecting plate (204).

3. The pressure testing fixture of claim 1, wherein: loading attachment (3) are including loading platform (301), both ends and right-hand member edge fixedly connected with baffle (302) around the upper surface of loading platform (301), draw-in groove two (303) have been seted up to the left surface of baffle (302), the upper surface left end edge department of loading platform (301) articulates there is curb plate (304), both ends fixedly connected with fixture block (305) around the upper surface of curb plate (304).

4. The pressure testing fixture of claim 2, wherein: the inner wall of the connecting ring (201) is fixedly connected with the inner wall of the clamping groove I (106), the lower surface of the pressing block (205) is fixedly connected with the upper surface of the pressing plate (107), and the loading device (3) is located below the pressure dispersing device (2).