Special equipment safety valve detection and calibration device

Abstract

The utility model discloses a special equipment safety valve detection and calibration device which comprises a detection table, a detection pipeline is installed on the top wall of the detection table, a butt joint disc is fixedly welded to the detection pipeline, an annular seat is arranged at the position, below the butt joint disc, of the detection pipeline in a sleeved mode, and the annular seat is rotatably installed on the detection pipeline through a bearing. A first bevel gear is fixedly mounted on the annular seat, a plurality of clamping assemblies which are annularly distributed at equal intervals are arranged on the butt joint disc, each clamping assembly comprises a fixing seat, and the fixing seats are fixedly welded to the bottom wall of the butt joint disc. According to the utility model, the safety valve can be quickly disassembled and assembled in the detection process, time and labor are saved, and the working efficiency during the detection of the safety valve is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, concretely is special equipment safety valve detection and calibration device. BACKGROUND

[0002] Safety valve is the closing piece under the action of external force and is in the normally closed state, when the medium pressure in the equipment or pipeline rises more than the specified value, the special valve is prevented by discharging the medium to the system outside to prevent the medium pressure in the pipeline or equipment from exceeding the specified value, the safety valve belongs to the automatic valve class, and is mainly used on the boiler, pressure vessel and pipeline, and the control pressure does not exceed the specified value, and the safety valve must be subjected to pressure test before use, and plays an important protection role for personal safety and equipment operation.

[0003] In the prior art, the authorized patent with the publication number CN222049570U discloses a detection table convenient for safety valve calibration, and relates to the technical field of safety valve calibration equipment. The detection table convenient for safety valve calibration comprises a detection table, a heating plate fixedly connected to the inner wall of the detection table, a temporary containing tank fixedly connected to the top of the heating plate, and a cold gas pipe, a high-pressure gas pipe and an argon gas pipe all fixedly connected to the temporary containing tank. The top of the detection table is fixedly connected with a detection plate, and further comprises a structure arranged on the detection plate for clamping the safety valve. The structure is used for fixing the safety valve and fine-tuning the position of the safety valve. The first screw rod is driven to rotate by the rotating wheel to move the fixed plate and preliminarily fix the safety valve. Then, the second screw rod and the positioning plate are driven to move by slowly rotating the knob to fine-tune and fix the position of the safety valve, so as to avoid the position deviation of the safety valve, further ensure the sealing property of the safety valve during testing, reduce the error during detection, and have high practicability.

[0004] However, the above technical solution still has the following deficiencies when in use: the above device needs to rotate four screw rods back and forth when disassembling and assembling the safety valve, so that the disassembling and assembling operation of the safety valve is complicated, time-consuming and laborious, and the detection efficiency of the safety valve is not high. In view of this, the special equipment safety valve detection and calibration device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a special equipment safety valve detection and calibration device to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a special equipment safety valve detection and calibration device, comprising:

[0007] The detection platform is provided with a detection pipeline on the top wall, a butt joint disc is fixedly welded on the detection pipeline, an annular seat is sleeved on the detection pipeline at a position below the butt joint disc, the annular seat is rotatably installed on the detection pipeline through a bearing, a first bevel gear is fixedly installed on the annular seat, a plurality of annular equidistant distribution clamping assemblies are arranged on the butt joint disc, the clamping assembly comprises a fixed seat which is fixedly welded on the bottom wall of the butt joint disc, a screw rod is rotatably installed on the fixed seat through a bearing, a guide rod is fixedly welded on the fixed seat and is arranged above the screw rod, a second bevel gear is fixedly installed on one end of the screw rod close to the first bevel gear, the second bevel gear is in meshing connection with the first bevel gear, a moving seat is threadedly connected on the screw rod, the moving seat is slidably connected on the guide rod through a through hole, and a clamping block is fixedly welded on the top end of the moving seat.

[0008] Preferably, a mounting plate is fixedly installed on one side wall of the detection platform, a servo motor is fixedly installed on the top wall of the mounting plate, an output end of the servo motor is in transmission connection with a rotating shaft, and a first chain gear is fixedly installed on the rotating shaft.

[0009] Preferably, a second chain gear is fixedly installed on the annular seat, and the same transmission chain is arranged on the first chain gear and the second chain gear, and the transmission chain is in meshing connection with the first chain gear and the second chain gear.

[0010] Preferably, a controller is fixedly installed on the front side wall of the detection platform, and the controller is in electrical connection with the servo motor through wires.

[0011] Preferably, a plurality of positioning columns are fixedly welded on the outer side wall of the butt joint disc, the plurality of positioning columns are annularly and equidistantly distributed, and the top end of the positioning column is arranged in an inwardly inclined manner.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The servo motor can drive the first chain gear to rotate, the first chain gear drives the second chain gear to rotate through the transmission chain, thereby driving the annular seat to rotate, the first bevel gear can be driven to rotate when the annular seat rotates, the plurality of screw rods can be driven to rotate through the meshing connection between the first bevel gear and the plurality of second bevel gears, thereby enabling the plurality of moving seats to move on the corresponding guide rods, and the plurality of clamping blocks can clamp or separate the flanges of the safety valve, so that the safety valve can be quickly disassembled and assembled during detection, time and labor are saved, and the working efficiency during safety valve detection is greatly improved.

[0014] 2、The plurality of positioning columns can be used for accurately positioning the flanges of the safety valve, so that the flanges of the safety valve can be quickly and accurately butt jointed with the butt joint disc. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the special equipment safety valve testing and calibration device proposed in this utility model;

[0016] Figure 2 This is a side-view perspective view of the overall three-dimensional structure of the special equipment safety valve testing and calibration device proposed in this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the connection between the first bevel gear and the second bevel gear in the special equipment safety valve testing and calibration device proposed in this utility model;

[0018] Figure 4 This is a three-dimensional structural diagram of the connection between the screw and the movable seat in the special equipment safety valve testing and calibration device proposed in this utility model.

[0019] In the diagram: 1. Testing table; 2. Testing pipe; 3. Connecting plate; 4. Ring seat; 5. First bevel gear; 6. Clamping assembly; 7. Fixed seat; 8. Screw; 9. Guide rod; 10. Second bevel gear; 11. Moving seat; 12. Clamping block; 13. Mounting plate; 14. Servo motor; 15. Rotating shaft; 16. First sprocket; 17. Second sprocket; 18. Transmission chain; 19. Controller; 20. Positioning column. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-4 This utility model provides a technical solution: a special equipment safety valve testing and calibration device, comprising:

[0022] The detection platform 1 is a publicly known technology, and no detailed description is given. A detection pipeline 2 is installed on the top wall of the detection platform 1. A butt joint disc 3 is fixedly welded on the detection pipeline 2. An annular seat 4 is sleeved below the butt joint disc 3. The annular seat 4 is rotatably installed on the detection pipeline 2 through a bearing. A first bevel gear 5 is fixedly installed on the annular seat 4. A plurality of annular equidistant clamping assemblies 6 are arranged on the butt joint disc 3. The clamping assembly 6 comprises a fixed seat 7 fixedly welded on the bottom wall of the butt joint disc 3. A screw rod 8 is rotatably installed on the fixed seat 7 through a bearing. A guide rod 9 is fixedly welded on the fixed seat 7 and arranged above the screw rod 8. A second bevel gear 10 is fixedly installed on one end of the screw rod 8 close to the first bevel gear 5. The second bevel gear 10 is meshingly connected with the first bevel gear 5. A moving seat 11 is threadedly connected on the screw rod 8. The moving seat 11 is slidingly connected on the guide rod 9 through a through hole. A clamping block 12 is fixedly welded on the top end of the moving seat 11.

[0023] A mounting plate 13 is fixedly installed on one side wall of the detection platform 1. A servo motor 14 is fixedly installed on the top wall of the mounting plate 13. An output end of the servo motor 14 is drivingly connected with a rotating shaft 15. A first chain gear 16 is fixedly installed on the rotating shaft 15.

[0024] A second chain gear 17 is fixedly installed on the annular seat 4. The same transmission chain 18 is arranged on the first chain gear 16 and the second chain gear 17. The transmission chain 18 is meshingly connected with the first chain gear 16 and the second chain gear 17. The first chain gear 16 is driven to rotate by the rotating shaft 15 after the servo motor 14 is started. The second chain gear 17 is driven to rotate by the transmission chain 18, thereby driving the annular seat 4 to rotate.

[0025] A controller 19 is fixedly installed on the front side wall of the detection platform 1. The controller 19 is electrically connected with the servo motor 14 through wires. The controller 19 is used to control the operation of the servo motor 14.

[0026] A plurality of positioning columns 20 are fixedly welded on the outer side wall of the butt joint disc 3. The plurality of positioning columns 20 are annularly and equidistantly distributed. The top end of the positioning column 20 is arranged in an inwardly inclined manner. The positioning column 20 is used to accurately position the flange of the safety valve, thereby facilitating the quick butt joint of the flange of the safety valve and the butt joint disc 3.

[0027] Working principle: the utility model discloses in the using process, when installing the safety valve, the flange cover of safety valve is first combined on the butt joint disc 3, the flange of safety valve can be positioned accurately through the multiple positioning column 20 set up, then through the controller 19 control servo motor 14 drive first chain gear 16 positive rotation, first chain gear 16 drives second chain gear 17 to rotate through transmission chain 18, to drive annular seat 4 positive rotation, annular seat 4 can drive first bevel gear 5 positive rotation when positive rotation, first bevel gear 5 can drive multiple screw rods 8 positive rotation through the meshing connection with multiple second bevel gears 10, to multiple mobile seat 11 on the corresponding guide rod 9 in the direction of butt joint disc 3 move, multiple clamping blocks 12 are clamped and press fit on the flange top wall of safety valve, realize the quick installation of safety valve.

[0028] It should be noted that in this document, relationship terms such as first and second are used only to differentiate one entity or action from another, and do not necessarily require or imply these entities or actions have to exist in any actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for testing and calibrating safety valves of special equipment, characterized in that, The utility model relates to a detection platform, which comprises a detection platform (1), a detection pipeline (2) is installed on the top wall of the detection platform (1), a butt joint disc (3) is fixedly welded on the detection pipeline (2), an annular seat (4) is sleeved on the detection pipeline (2) at a position below the butt joint disc (3), the annular seat (4) is rotatably installed on the detection pipeline (2) through a bearing, a first bevel gear (5) is fixedly installed on the annular seat (4), a plurality of annular equidistant clamping assemblies (6) are arranged on the butt joint disc (3), the clamping assembly (6) comprises a fixed seat (7), the fixed seat (7) is fixedly welded on the bottom wall of the butt joint disc (3), a screw rod (8) is rotatably installed on the fixed seat (7) through a bearing, a guide rod (9) is fixedly welded on the fixed seat (7), the guide rod (9) is arranged above the screw rod (8), a second bevel gear (10) is fixedly installed on one end of the screw rod (8) close to the first bevel gear (5), the second bevel gear (10) is meshed with the first bevel gear (5), a moving seat (11) is threadedly connected on the screw rod (8), the moving seat (11) is slidably connected on the guide rod (9) through a through hole, and a clamping block (12) is fixedly welded on the top end of the moving seat (11). A mounting plate (13) is fixedly installed on one side wall of the detection platform (1), a servo motor (14) is fixedly installed on the top wall of the mounting plate (13), an output end of the servo motor (14) is drivingly connected with a rotating shaft (15), and a first chain gear (16) is fixedly installed on the rotating shaft (15).

2. The special equipment safety valve testing and calibrating device of claim 1, wherein: A second chain gear (17) is fixedly installed on the annular seat (4), the same transmission chain (18) is arranged on the first chain gear (16) and the second chain gear (17), and the transmission chain (18) is meshed with the first chain gear (16) and the second chain gear (17).

3. The special equipment safety valve testing and calibrating device of claim 2, wherein: A controller (19) is fixedly installed on the front side wall of the detection platform (1), and the controller (19) is electrically connected with the servo motor (14) through wires.

4. The special equipment safety valve testing and calibrating device of claim 2, wherein:

5. The special equipment safety valve detection and calibration device according to claim 1, wherein a plurality of positioning columns (20) are fixedly welded on the outer side wall of the butt joint disc (3), the plurality of positioning columns (20) are annularly and equidistantly distributed, and the top end of the positioning column (20) is arranged in an inwardly inclined manner. ​ ​

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