Pressure container pressure resistance testing device

Abstract

The utility model relates to the technical field of pressure vessel inspection, and particularly discloses a pressure vessel pressure resistance inspection device, which comprises an air delivery pipe connected to a pressure vessel, a support frame arranged in a pit, and a lifting mechanism arranged on the support frame and used for lifting and supporting the pressure vessel, the limiting mechanism is arranged on the supporting frame and is used for limiting the upper side of the pressure container; the lifting mechanism comprises two screws vertically arranged on the supporting frame, transmission parts are installed on the screws, the end of one screw is connected with a power source, and a supporting plate is arranged on the portion, located in the supporting frame, of the screws. Through the arrangement of the lifting mechanism and the limiting mechanism, after the pressure container is placed in the placing groove in the supporting plate, the rotating screw pushes the supporting plate to integrally move downwards, the pressure container sinks to the lower side of the ground, and then the clamping plate is pushed through the pushing assembly to limit the upper side of the pressure container; and the convenience of placing the pressure container before detection is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure vessel inspection, in particular to a pressure vessel pressure resistance inspection device. Background Art

[0002] The existing announcement number is CN 219756048 U, which is a pressure vessel pressure test device. A gas cylinder is placed in a bracket, and the upper part of the gas cylinder is located in a limiting groove. Two extrusion blocks are used to clamp and limit the upper part of the gas cylinder body under the action of a No. 1 spring, and then the two No. 2 screws are rotated to make the ends of the two No. 2 screws fit tightly with the two extrusion rods, so that the gas cylinder can be limited and fixed, avoiding the gas cylinder from shaking or tipping over during the pressure test to cause a safety accident; however, the limiting mechanism is located on the upper side of the supporting mechanism. When the gas cylinder is placed in the bracket, the limiting mechanism on the upper side will cause inconvenience to the placement of the gas cylinder, affecting the use effect. Utility Model Content

[0003] The purpose of the utility model is to provide a pressure vessel pressure test device in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A pressure test device for a pressure vessel comprises an air pipe connected to the pressure vessel, a support frame arranged in a pit, a lifting mechanism for lifting and supporting the pressure vessel is arranged on the support frame, and a limiting mechanism for limiting the upper side of the pressure vessel is arranged on the support frame; the lifting mechanism comprises a screw rod vertically arranged on the support frame, the screw rod is arranged at two places, a transmission member is installed on the screw rod, one end of the screw rod is connected to a power source, a support plate is arranged on the screw rod inside the support frame, a boss is arranged on the upper end of the support plate, and a placement groove is arranged at the center of the boss; the limiting mechanism comprises clamping plates arranged opposite to each other, and a pushing component is connected to the clamping plate.

[0006] Further configuration: the screw rod is rotatably connected to the support frame, and the support plate is threadedly connected to the screw rod.

[0007] Further configuration: a notch is provided at the upper end of the pit, and the upper end surface of the boss is flush with the horizontal plane of the ground.

[0008] It is further arranged that the transmission member is a first sprocket, the specifications of the first sprockets are the same, and a chain is sleeved between the first sprockets.

[0009] Further configuration: the pushing component includes left and right spiral screws arranged horizontally, the left and right spiral screws are arranged at two locations, a second sprocket is fixed at one end of the left and right spiral screws, and a second motor is fixed at one end of the left and right spiral screws.

[0010] Further configuration: the clamping plate is threadedly connected to the left and right spiral screws, and the left and right spiral screws are rotatably connected to the support frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] Through the setting of the lifting mechanism and the limiting mechanism, after the pressure vessel is placed in the placement slot on the support plate, the rotating screw pushes the support plate to move downward as a whole, sinking the pressure vessel to the lower side of the ground, and then the clamping plate is pushed by the pushing assembly to limit the upper side of the pressure vessel, thereby improving the convenience of placing the pressure vessel before inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is an axonometric diagram of a pressure vessel pressure test device according to the utility model;

[0015] Figure 2 It is a structural schematic diagram of a pressure vessel pressure test device according to the utility model;

[0016] Figure 3 It is a schematic structural diagram of another viewing angle of a pressure vessel pressure test device of the utility model;

[0017] Figure 4 It is a structural schematic diagram of a pressure vessel pressure test device of the utility model in use state.

[0018] The following are the descriptions of the reference numerals:

[0019] 1. Pit; 2. Support frame; 3. Lifting mechanism; 31. Support plate; 32. Screw; 33. First sprocket; 34. Placement slot; 35. First motor; 4. Limiting mechanism; 41. Left and right screw screws; 42. Second motor; 43. Clamping plate; 44. Second sprocket; 5. Air pipe. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] like Figure 1-Figure 4 As shown, a pressure vessel pressure test device comprises a gas delivery pipe 5 connected to the pressure vessel, a support frame 2 arranged in a pit 1, a lifting mechanism 3 for lifting and supporting the pressure vessel is arranged on the support frame 2, and a limiting mechanism 4 for limiting the upper side of the pressure vessel is arranged on the support frame 2;

[0024] In this embodiment: the lifting mechanism 3 includes a screw rod 32 vertically arranged on the support frame 2, the screw rod 32 is arranged at two places, a transmission member is installed on the screw rod 32, one end of the screw rod 32 is connected to the first motor 35, and a support plate 31 is arranged on the screw rod 32 inside the support frame 2, a boss is arranged at the upper end of the support plate 31, and a placement groove 34 is arranged at the center of the boss; the screw rod 32 is rotatably connected to the support frame 2, and the support plate 31 is threadedly connected to the screw rod 32; a notch is opened at the upper end of the pit 1, and the upper end surface of the boss is flush with the horizontal plane of the ground, the transmission member is a first sprocket wheel 33, the specifications of the first sprocket wheels 33 are the same, and a chain is sleeved between the first sprocket wheels 33, and the pressure vessel is placed in the placement groove 34 on the support plate 31, and the first motor 35 works to make the screw rod 32 rotate synchronously under the transmission of the first sprocket wheel 33, so as to push the support plate 31 to move downward as a whole.

[0025] In this embodiment: the limiting mechanism 4 includes a clamping plate 43 arranged opposite to each other, and a pushing component is connected to the clamping plate 43; the pushing component includes a left and right spiral screw 41 arranged horizontally, and the left and right spiral screw 41 is arranged at two places, and a second sprocket 44 is fixed at one end of the left and right spiral screw 41, and a second motor 42 is fixed at one end of the left and right spiral screw 41; the clamping plate 43 is threadedly connected with the left and right spiral screw 41, and the left and right spiral screw 41 is rotatably connected with the support frame 2. Through the operation of the second motor 42, the left and right spiral screws 41 are synchronously rotated under the transmission of the second sprocket 44, pushing the clamping plate 43 to move to the middle position, and fixing the upper side of the pressure vessel.

[0026] The working principle and use process of the utility model are as follows: the pressure vessel is placed in the placement groove 34 on the support plate 31, and the first motor 35 is operated to make the screw 32 rotate synchronously under the transmission of the first sprocket 33, pushing the support plate 31 to move downward as a whole, and then the second motor 42 is operated to make the left and right spiral screws 41 rotate synchronously under the transmission of the second sprocket 44, pushing the clamping plate 43 to move to the middle position, fixing the upper side of the pressure vessel, and then connecting the air supply pipe 5 to the pressure vessel.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A pressure vessel pressure test device, comprising a gas delivery pipe (5) connected to the pressure vessel, characterized in that: A support frame (2) is arranged in a pit (1), and a lifting mechanism (3) for lifting and supporting a pressure vessel is arranged on the support frame (2), and a limiting mechanism (4) for limiting the upper side of the pressure vessel is arranged on the support frame (2); the lifting mechanism (3) comprises a screw rod (32) vertically arranged on the support frame (2), the screw rod (32) is arranged at two locations, a transmission member is installed on the screw rod (32), one end of the screw rod (32) is connected to a power source, a support plate (31) is arranged on the screw rod (32) inside the support frame (2), a boss is arranged at the upper end of the support plate (31), and a placement groove (34) is arranged at the center of the boss; the limiting mechanism (4) comprises clamping plates (43) arranged opposite to each other, and a pushing component is connected to the clamping plate (43).

2. A pressure vessel pressure test device according to claim 1, characterized in that: The screw rod (32) is rotatably connected to the support frame (2), and the support plate (31) is threadedly connected to the screw rod (32).

3. A pressure vessel pressure test device according to claim 1, characterized in that: A notch is provided at the upper end of the pit (1), and the upper end surface of the boss is flush with the horizontal plane of the ground.

4. A pressure vessel pressure test device according to claim 1, characterized in that: The transmission member is a first sprocket (33), the first sprockets (33) have the same specifications, and a chain is sleeved between the first sprockets (33).

5. The pressure vessel pressure test device according to claim 1, characterized in that: The pushing assembly comprises left and right spiral screws (41) arranged horizontally, wherein the left and right spiral screws (41) are arranged at two locations, a second sprocket (44) is fixed to one end of the left and right spiral screws (41), and a second motor (42) is fixed to one end of the left and right spiral screws (41).

6. A pressure vessel pressure test device according to claim 5, characterized in that: The clamping plate (43) is threadedly connected to the left and right spiral screws (41), and the left and right spiral screws (41) are rotatably connected to the support frame (2).

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