Medical gas pipeline welding construction quality detection device

Abstract

The utility model relates to the technical field of pipeline welding quality detection, and discloses a medical gas pipeline welding construction quality detection device which comprises two buckle plates which are symmetrically arranged and can move towards each other or back to back. The buckle plates are in a semi-cylindrical shape, and a cylinder formed after the two buckle plates are buckled in a sealed mode can be arranged on a corresponding gas pipeline in a matched and sleeved mode. The two ends of the cylinder are each connected with a sealing cylinder formed by bonding the two ends of an elastic sealing strip, one end opening of each sealing cylinder is arranged on the outer end face of the cylinder in a sleeved mode and fixed in a sealed mode, and the other end opening of each sealing cylinder is arranged on the peripheral wall of the gas pipeline in a sleeved mode and fixed in a sealed mode. Wherein one pinch plate is provided with a pressure gauge for measuring the pressure in the cylinder, and the other pinch plate is provided with an air inlet pipe for introducing air into the cylinder. According to the utility model, the mode of judging the air tightness of the welding seam by using water immersion is abandoned, and the air tightness of the welding seam is judged by using an air inflation mode, so that the operation is simpler and more convenient, and the detection efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding quality detection, and more specifically to a medical gas pipeline welding construction quality detection device. Background Art

[0002] Medical gas system engineering mainly includes medical central oxygen supply system, medical central suction system, medical compressed air system, operating room gas system, ward equipment belt and supporting electrical system, digital medical gas monitoring system. Among them, medical central oxygen supply system: including medical gas bus, oxygen secondary pressure regulating box, pressure monitoring alarm device, pipeline, terminal, etc.; medical central suction system: including medical suction unit, pressure monitoring alarm device, pipeline, terminal, etc.; medical compressed air system: including medical air compressor unit, pressure monitoring alarm device, pipeline, terminal, etc.; operating room gas system: including medical nitrogen bus, medical carbon dioxide bus, pipeline and valve, etc.; ward equipment belt and supporting electrical system: including ward equipment belt, power socket, bedside lamp, light switch, leakage protector, etc.; digital medical gas monitoring system: including computer, serial port server, network switch, twisted pair, network cable, software, etc.

[0003] Medical gas is a gas used for medical diagnosis and life-saving, mainly including: blood gas detection, pulmonary function test, cardiopulmonary test, surgical laser, anesthesia monitoring, respiratory monitoring, medical research, radioactive tracer, etc. Usually, the gas tank is connected to the actual use location of the gas through a pipeline, and the pipelines of different shapes and curvatures are welded and spliced ​​into a dedicated medical gas delivery pipeline. Therefore, special attention should be paid to the sealing quality of the pipeline welding joints. The pipeline welding sealing detection device in the prior art, such as the patented air conditioning pipeline welding sealing detection device, has the publication number: CN219416588U, which inserts one end of the copper pipe into the first sealing plug, then presses the mounting plate by hand, inserts the other end of the copper pipe into the second sealing plug, loosens the mounting plate, thereby clamping the copper pipe, and then extends the electric telescopic rod to immerse the copper pipe in the pool, then turns on the air pump, injects air into the copper pipe, and observes whether there is any bubble overflow at the steel pipe welding through the transparent acrylic pool to judge the sealing.

[0004] However, when welding, medical gas pipelines are usually fixed on the wall and extended in the horizontal or vertical direction. Therefore, the existing technology of using water immersion to judge the air tightness of the weld is not very convenient to use. Therefore, at this stage, it is necessary to propose a medical gas pipeline welding construction quality inspection device with higher detection efficiency. Utility Model Content

[0005] In view of this, the utility model proposes a medical gas pipeline welding construction quality detection device, and its specific technical solution is as follows:

[0006] A device for inspecting the welding construction quality of medical gas pipelines, comprising two symmetrically arranged buckle plates that can move toward or away from each other; the buckle plates are semi-cylindrical, and the cylinder formed by the two buckle plates being sealed and buckled together can be adapted to be mounted on the corresponding gas pipeline; each end of the cylinder is connected to a sealing cylinder formed by bonding the two ends of an elastic sealing strip, one of the ports of the sealing cylinder is sleeved on the outer end surface of the cylinder and sealed and fixed, and the other port of the sealing cylinder is sleeved on the outer peripheral wall of the gas pipeline and sealed and fixed; a pressure gauge for measuring the internal pressure of the cylinder is installed on one of the buckle plates, and an air inlet pipe for ventilating the interior of the cylinder is installed on the other buckle plate.

[0007] Preferably, it also includes a U-shaped mounting plate consisting of a base plate and two side plates, the two buckle plates are arranged in the U-shaped inner groove of the U-shaped mounting plate, and the outer wall of the buckle plate is connected to the side plates of the U-shaped mounting plate through a sleeve fixed thereon; the sleeve is provided with multiple ones along the axial direction of the buckle plate, including a sleeve one with an internal thread and several sleeves two with smooth inner walls; a screw threadedly connected to the sleeve one is rotatably passed through the side plates of the U-shaped mounting plate, and at the same time, a guide rod corresponding to several sleeves two is fixed on the inner wall of the side plates of the U-shaped mounting plate, the guide rod is arranged parallel to the screw and is plugged into the inner wall of the sleeve two at the corresponding position; controlling the two screws on the side plates of the U-shaped mounting plate to rotate simultaneously can make the two buckle plates move toward or away from each other.

[0008] Preferably, a bevel gear 1 is provided on the outer ring of the end of the screw located on the outer side surface of the side plate of the U-shaped mounting plate, and a rotating shaft seat is installed on the outer wall of the side plate of the U-shaped mounting plate, and a rotating shaft facing the bevel gear 1 is rotatably installed on the rotating shaft seat, one end of the rotating shaft is fixedly connected to a bevel gear 2 meshing with the bevel gear 1, and the other end extends out of the side plate of the U-shaped mounting plate and is fixedly connected to a sprocket; the two sprockets outside the two side plates of the U-shaped mounting plate are driven by a chain.

[0009] Preferably, the two rotating shafts located on the side plates of the U-shaped mounting plate are symmetrically arranged, a handle is installed on the outer side surface of the bottom plate of the U-shaped mounting plate, and a chain connecting the two sprockets passes through the handle.

[0010] Preferably, a crank handle capable of driving the sprocket to rotate is installed on one of the sprockets.

[0011] Preferably, a rubber strip is provided on one end surface of the elastic sealing strip, and the elastic sealing strip is rolled into the sealing tube and then bonded and formed by the rubber strip.

[0012] Preferably, one of the ports of the sealing cylinder is sleeved on the outer end surface of the cylinder and is clamped and sealed by a clamp, and the other port of the sealing cylinder is sleeved on the outer peripheral wall of the gas pipeline and is clamped and sealed by a clamp.

[0013] Preferably, sealing pads are provided on the fitting edges of the two gusset plates.

[0014] By adopting the above technical solution, compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, two gusset plates and elastic sealing strips are used to seal the vicinity of the weld of the gas pipeline, and compressed air is injected into the vicinity of the weld of the gas pipeline through the air inlet pipe, and then the air inlet pipe is closed, and the air pressure in the gusset plate is read by a pressure gauge, and the gas pipeline is judged to be leaking by judging the reading change on the pressure gauge, and then the welding quality is judged. The utility model abandons the method of using water immersion to judge the air tightness of the weld, and uses the inflation method to judge the air tightness of the weld, which is simpler and more convenient to operate, and the detection efficiency is also higher.

[0016] 2. In the utility model, the rubber strip provided can realize the sealing connection of the two ends of the sealing strip rolled into a circle of sealing tube, and the clamp provided can ensure that the sealing tube is bundled and fixed on gas pipelines of different sizes. In addition, the elasticity of the sealing strip can ensure that under the tight pressure of the clamp, the gas pipeline and the outer wall of the buckle plate are sealed to prevent gas from leaking from the sealing tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a medical gas pipeline welding construction quality detection device;

[0019] Figure 2 The utility model proposes a medical gas pipeline welding construction quality detection device Figure 1 A side view structural schematic diagram of;

[0020] Figure 3 The utility model proposes a medical gas pipeline welding construction quality detection device Figure 1 Schematic diagram of the structure viewed from above;

[0021] Figure 4The utility model proposes a medical gas pipeline welding construction quality detection device Figure 1 Schematic diagram of the cross-sectional structure.

[0022] In the figure: 1. buckle plate; 2. elastic sealing strip; 3. pressure gauge; 4. air inlet pipe; 5. U-shaped mounting plate; 6. U-shaped mounting plate side plate; 7. sleeve one; 8. sleeve two; 9. screw; 10. guide rod; 11. bevel gear one; 12. rotating shaft seat; 13. rotating shaft; 14. bevel gear two; 15. sprocket; 16. chain; 17. U-shaped mounting plate bottom plate; 18. handle; 19. crank handle; 20. rubber strip; 21. clamp; 22. sealing gasket. DETAILED DESCRIPTION

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] In the description of the present invention, it is necessary to understand that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention 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 invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] Example:

[0027] like Figure 1-Figure 4As shown, the utility model is a medical gas pipeline welding construction quality inspection device, comprising two symmetrically arranged buckle plates 1 that can move toward or away from each other; the buckle plates 1 are semi-cylindrical, and the cylinder formed by the two buckle plates 1 being sealed and buckled together can be adapted to be mounted on the corresponding gas pipeline; each end of the cylinder is connected to a sealing cylinder formed by bonding the two ends of an elastic sealing strip 2, one of the ports of the sealing cylinder is sleeved on the outer end surface of the cylinder and sealed and fixed, and the other port of the sealing cylinder is sleeved on the outer peripheral wall of the gas pipeline and sealed and fixed; a pressure gauge 3 for measuring the internal pressure of the cylinder is installed on one of the buckle plates 1, and an air inlet pipe 4 for ventilating the inside of the cylinder is installed on the other buckle plate 1.

[0028] Furthermore, a rubber strip 20 is provided on one end surface of the elastic sealing strip 2, and the elastic sealing strip 2 is rolled into a sealing tube and then bonded and formed by the rubber strip 20. The rubber strip 20 realizes the sealing connection of the two ends of the elastic sealing strip wound into a circle.

[0029] In this embodiment, two buckle plates 1 are spliced ​​and assembled and sleeved at the welding point of the gas pipeline, one side of the elastic sealing strip 2 is wrapped around the end face of the outer wall of the buckle plate, and the two ends of the elastic sealing strip 2 are bonded and sealed with adhesive strips 20, and the two sides of the elastic sealing strip 2 are fixedly attached to the gas pipeline and the outer wall of the buckle plate. Air is injected into the closed cylinder formed by the buckle plates 1 through the air inlet pipe 4, and the air pressure in the cylinder is detected in real time through the pressure gauge 3. The air inlet pipe 4 is closed, and the reading of the pressure gauge 3 is observed after waiting for a period of time. If the reading changes, it indicates a leak at the welding point.

[0030] The pressure gauge 3 provided in this embodiment is a common air pressure gauge.

[0031] In a further specific embodiment, Figure 1 , 2 As shown, the utility model is a medical gas pipeline welding construction quality inspection device, which also includes a U-shaped mounting plate 5 composed of a bottom plate and two side plates, two buckle plates 1 are arranged in the U-shaped inner groove of the U-shaped mounting plate 5, and the outer wall of the buckle plate 1 is connected to the U-shaped mounting plate side plate 6 through a sleeve fixed thereon; the sleeve is provided with multiple ones along the axial direction of the buckle plate, including a sleeve 1 7 with an internal thread and several sleeves 2 8 with smooth inner walls; a screw 9 threadedly connected to the sleeve 1 7 is rotatably passed through the side plate 6 of the U-shaped mounting plate, and at the same time, a guide rod 10 corresponding to several sleeves 2 8 is fixed on the inner wall of the side plate of the U-shaped mounting plate, the guide rod 10 is arranged parallel to the screw 9, and is plugged into the inner wall of the sleeve 2 8 at the corresponding position; by controlling the two screws 9 on the side plate 6 of the U-shaped mounting plate to rotate simultaneously, the two buckle plates 1 can be moved toward or away from each other.

[0032] Furthermore, a bevel gear 11 is provided on the outer ring of the end of the screw 9 located on the outer side surface of the U-shaped mounting plate side plate 6, a rotating shaft seat 12 is installed on the outer wall of the U-shaped mounting plate side plate, a rotating shaft 13 facing the bevel gear 11 is rotatably installed on the rotating shaft seat 12, one end of the rotating shaft 13 is fixedly connected to a bevel gear 2 14 meshing with the bevel gear 11, and the other end extends out of the U-shaped mounting plate side plate 6 and is fixedly connected to a sprocket 15; the two sprockets 15 outside the two U-shaped mounting plate side plates 6 are transmitted through a chain 16.

[0033] In the present embodiment, a crank 19 capable of driving the sprocket 15 to rotate is installed on one of the sprockets 15. The crank 19 is used to shake the sprocket 15, and the other sprocket 15 is rotated synchronously under the action of the chain 16, thereby realizing the simultaneous rotation of the two rotating shafts 13, and the rotating shaft 13 is used to drive the bevel gear 2 14 to rotate, thereby realizing the bevel gear 1 11 meshing with it to drive the screw 9 to rotate, and the buckle plate 1 is limited by the plug-in connection between the guide rod 10 and the sleeve 2 8. When the screw 9 rotates, the sleeve 1 7 threadedly connected to it drives the buckle plate 1 to move, thereby realizing the two buckle plates 1 to move toward or away from each other, that is, the buckle plate 1 is disassembled and assembled on the gas pipeline.

[0034] In a further specific embodiment, Figure 2 , 4 As shown, two rotating shafts 13 on the side plates 6 of the U-shaped mounting plate are symmetrically arranged, a handle 18 is installed on the outer side of the bottom plate 17 of the U-shaped mounting plate, and a chain 16 connecting the two sprocket wheels 15 passes through the handle 18. The arrangement of the handle 18 makes it easy for people to grasp the entire device to perform corresponding operations.

[0035] In addition, one of the ports of the sealing cylinder made of an elastic sealing strip is sleeved on the outer end surface of the cylinder and is clamped and sealed by a clamp 21, and the other port of the sealing cylinder made of an elastic sealing strip is sleeved on the outer peripheral wall of the gas pipeline and is clamped and sealed by a clamp 21.

[0036] The clamp 21 provided in this embodiment can ensure that the elastic sealing strip 2 can be bundled and fixed on gas pipes of different sizes. In addition, the elastic characteristics of the elastic sealing strip 2 itself can ensure that it is sealed to the gas pipe and the outer wall of the buckle plate under the tight pressure of the clamp 21, so that the gas will not leak from the sealing tube.

[0037] In addition, the clamp 21 is arranged at the ends of the two buckle plates 1, so as to ensure that the relative positions of the two buckle plates 1 are fixed.

[0038] In a further specific embodiment, Figure 3 As shown, the fitting edges of the two gusset plates 1 are both provided with sealing gaskets 22, which ensure the sealing of the joints of the two gusset plates after assembly and splicing, and ensure that the injected gas will not leak from there.

[0039] The working principle of this utility model:

[0040] Holding the U-shaped mounting plate 5, move the two separated buckle plates 1 to the welding point of the gas pipeline, shake the sprocket 15, and under the action of the chain 16, the other sprocket 15 rotates synchronously, so that the two rotating shafts 13 drive the bevel gear 2 14 to rotate, and then the meshing bevel gear 11 drives the screw 9 to rotate. When the screw 9 rotates, the sleeve 1 7 threadedly connected thereto drives the buckle plate 1 to move, so that the two buckle plates 1 move toward each other and are adapted to be mounted on the gas pipeline. Then one side of the elastic sealing strip 2 fits the cylindrical outer wall formed by the two buckle plates and wraps around it. The two ends of the elastic sealing strip 2 are bonded with the adhesive strip 20, and the elastic sealing strip 2 is tied and fixed to the buckle plate 1 and gas pipelines of different sizes with the clamp 21. Air is injected into the buckle plate 1 with the air inlet pipe 4, and the air pressure in the buckle plate 1 is detected in real time by the pressure gauge 3. The air inlet pipe 4 is closed, and the reading of the pressure gauge 3 is observed after a period of time. A change in the reading indicates a leak at the welding point.

[0041] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0042] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A medical gas pipeline welding construction quality detection device, characterized in that: It comprises two symmetrically arranged buckle plates which can move towards or away from each other; the buckle plates are semi-cylindrical, and the cylinder formed by the two buckle plates being sealed and buckled together can be adapted to be mounted on the corresponding gas pipeline; the two ends of the cylinder are respectively connected with a sealing cylinder formed by bonding the two ends of an elastic sealing strip, one of the ports of the sealing cylinder is sleeved on the outer end surface of the cylinder and sealed and fixed, and the other port of the sealing cylinder is sleeved on the outer peripheral wall of the gas pipeline and sealed and fixed; a pressure gauge for measuring the internal pressure of the cylinder is installed on one of the buckle plates, and an air inlet pipe for ventilating the inside of the cylinder is installed on the other buckle plate.

2. A medical gas pipeline welding construction quality detection device according to claim 1, characterized in that: It also includes a U-shaped mounting plate composed of a base plate and two side plates, the two buckle plates are arranged in the U-shaped inner groove of the U-shaped mounting plate, and the outer wall of the buckle plate is connected to the side plates of the U-shaped mounting plate through a sleeve fixed thereon; the sleeve is provided with multiple ones along the axial direction of the buckle plate, including a sleeve one with an internal thread and several sleeves two with smooth inner walls; a screw threadedly connected to the sleeve one is rotatably passed through the side plates of the U-shaped mounting plate, and at the same time, a guide rod corresponding to several sleeves two is fixed on the inner wall of the side plates of the U-shaped mounting plate, the guide rod is arranged parallel to the screw and is plugged into the inner wall of the sleeve two at the corresponding position; controlling the two screws on the side plates of the U-shaped mounting plate to rotate simultaneously can make the two buckle plates move toward or away from each other.

3. A medical gas pipeline welding construction quality detection device according to claim 2, characterized in that: The outer ring of the end of the screw rod located on the outer side surface of the side plate of the U-shaped mounting plate is provided with a bevel gear 1, and a rotating shaft seat is installed on the outer wall of the side plate of the U-shaped mounting plate. A rotating shaft facing the bevel gear 1 is rotatably installed on the rotating shaft seat, and one end of the rotating shaft is fixedly connected to the bevel gear 2 meshing with the bevel gear 1, and the other end extends out of the side plate of the U-shaped mounting plate and is fixedly connected to a sprocket; the two sprockets outside the two side plates of the U-shaped mounting plate are driven by a chain.

4. A medical gas pipeline welding construction quality detection device according to claim 3, characterized in that: The two rotating shafts located on the side plates of the U-shaped mounting plate are symmetrically arranged, a handle is installed on the outer side surface of the bottom plate of the U-shaped mounting plate, and a chain connecting the two sprockets passes through the handle.

5. A medical gas pipeline welding construction quality detection device according to claim 3 or 4, characterized in that: A crank handle capable of driving the sprocket to rotate is installed on one of the sprockets.

6. A medical gas pipeline welding construction quality detection device according to claim 1, characterized in that: A rubber strip is provided on one end surface of the elastic sealing strip, and the elastic sealing strip is rolled into the sealing tube and then bonded and formed by the rubber strip.

7. A medical gas pipeline welding construction quality detection device according to claim 6, characterized in that: One of the ports of the sealing cylinder is sleeved on the outer end surface of the cylinder and is clamped and sealed by a clamp, and the other port of the sealing cylinder is sleeved on the outer peripheral wall of the gas pipeline and is clamped and sealed by a clamp.

8. A medical gas pipeline welding construction quality detection device according to claim 1, characterized in that: The fitting edges of the two gusset plates are both provided with sealing pads.

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