Net cage probe for measuring vacuum degree of condenser

Abstract

The lower end of a feeler lever is inserted into a mesh cage and fixed with the mesh cage, the upper end and the lower end of the mesh cage are fixedly connected with a top frame and a bottom frame respectively, a top plate is arranged in the center of the top frame, a screw hole is formed in the center of the top plate, and an external thread matched with the screw hole is arranged in the middle of the feeler lever. The probe rod provided with external threads is a threaded section, and a locking nut is arranged on the threaded section; a bottom plate is arranged in the center of the bottom frame, a rotatably-installed bottom groove is formed in the inner side of the bottom plate, and the tail end of the probe rod is inserted into the bottom groove. According to the utility model, the external thread in the middle of the probe rod is matched with the screw hole in the center of the top plate and is fixed through the locking nut, so that the stable connection between the probe rod and the top frame is ensured; a bottom groove in the center of the bottom frame is matched with a clamping opening in the tail end of the probe rod, and the structural stability is further improved through the design of a protruding clamp.

Description

Technical Field

[0001] The utility model relates to the technical field of condenser measurement, in particular to a mesh cage probe used for measuring the vacuum degree of a condenser. Background Art

[0002] The condenser is a critical piece of equipment in a thermal power plant. Its function is to condense steam discharged from the turbine into water, creating a vacuum and thus improving thermal efficiency. The condenser's vacuum level directly impacts the efficiency and safety of the entire power generation system, making accurate measurement of the condenser's vacuum crucial.

[0003] Existing measuring probes have certain deficiencies in structural stability, installation convenience and measurement accuracy. Utility Model Content

[0004] Based on the above technical problems, the utility model proposes a mesh cage probe for measuring the vacuum degree of a condenser.

[0005] A mesh cage probe for measuring the vacuum degree of a condenser comprises: a probe rod and a mesh cage, wherein the lower end of the probe rod is inserted into and fixed to the mesh cage, the upper and lower ends of the mesh cage are respectively connected and fixed to a top frame and a bottom frame, a top plate is provided in the center of the top frame, a screw hole is provided in the center of the top plate, an external thread matching the screw hole is provided in the middle of the probe rod, the probe rod with the external thread is a threaded section, and a locking nut is provided on the threaded section; a bottom plate is provided in the center of the bottom frame, a bottom groove for rotatable installation is provided on the inner side of the bottom plate, and the end of the probe rod is inserted into the bottom groove.

[0006] Preferably, a plurality of connecting rods are provided on both the bottom frame and the top frame, and the connecting rods are connected between the top plate and the top frame and between the bottom plate and the bottom frame.

[0007] Preferably, evenly distributed support rods are provided between the top frame and the bottom frame, and the support rods are also fixed on the outside of the mesh cage.

[0008] Preferably, the end of the probe rod is provided with bayonet holes evenly distributed around the circumference, and the inner wall of the bottom groove is provided with convex clips corresponding to the bayonet holes one by one.

[0009] Beneficial effect: In the utility model, the external thread in the middle of the probe rod matches the screw hole in the center of the top plate and is fixed by a locking nut, ensuring a stable connection between the probe rod and the top frame; the bottom groove in the center of the bottom frame cooperates with the bayonet at the end of the probe rod, and the design of the convex card further increases the stability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 Shows the structure of the utility model Figure 1 ;

[0011] Figure 2 Shows the structure of the utility model Figure 2 ;

[0012] Figure 3 The diagram shows the matching structure of the probe rod and the bottom groove. DETAILED DESCRIPTION

[0013] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0014] like Figures 1 to 3 The mesh cage 4 probe shown in the figure is used for measuring the vacuum degree of a condenser, and includes: a probe rod 6, a mesh cage 4, the lower end of the probe rod 6 is inserted into the mesh cage 4 and fixed thereto, the upper and lower ends of the mesh cage 4 are respectively connected and fixed to the top frame 1 and the bottom frame 2, a top plate 5 is provided in the center of the top frame 1, a screw hole is opened in the center of the top plate 5, an external thread matching the screw hole is provided in the middle of the probe rod 6, the probe rod 6 with the external thread is a threaded section 7, and a locking nut 8 is provided on the threaded section 7; a bottom plate 3 is provided in the center of the bottom frame 2, a bottom groove 11 for rotatable installation is provided on the inner side of the bottom plate 3, and the end of the probe rod 6 is inserted into the bottom groove 11.

[0015] As a further improvement of the present invention, a plurality of connecting rods 9 are provided on both the bottom frame 2 and the top frame 1. The connecting rods 9 are connected between the top plate 5 and the top frame 1 and between the bottom plate 3 and the bottom frame 2, thereby enhancing the stability of the structure.

[0016] As a further improvement of the present invention, evenly distributed support rods 10 are provided between the top frame 1 and the bottom frame 2. The support rods 10 are also fixed to the outside of the mesh cage 4, further improving the overall strength of the probe.

[0017] As a further improvement of the present invention, the end of the probe rod 6 is provided with bayonet holes 13 evenly distributed on the circumference, and the inner wall of the bottom groove 11 is provided with convex clips 12 corresponding to the bayonet holes 13 one by one, ensuring the stability and accuracy of the connection between the probe rod 6 and the bottom groove 11.

[0018] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A cage probe for measuring condenser vacuum, comprising: A probe rod and a mesh cage, wherein the lower end of the probe rod is inserted into the mesh cage and fixed therewith, and is characterized in that the upper and lower ends of the mesh cage are respectively connected and fixed to the top frame and the bottom frame, and a top plate is provided in the center of the top frame, a screw hole is opened in the center of the top plate, and an external thread matching the screw hole is provided in the middle of the probe rod, and the probe rod with the external thread is a threaded section, and a locking nut is provided on the threaded section; a bottom plate is provided in the center of the bottom frame, and a bottom groove for rotatable installation is provided on the inner side of the bottom plate, and the end of the probe rod is inserted into the bottom groove.

2. The cage probe for condenser vacuum measurement according to claim 1, characterized in that: A plurality of connecting rods are provided on both the bottom frame and the top frame, and the connecting rods are connected between the top plate and the top frame and between the bottom plate and the bottom frame.

3. The cage probe for measuring condenser vacuum according to claim 1, characterized in that: Evenly distributed support rods are provided between the top frame and the bottom frame, and the support rods are also fixed on the outside of the mesh cage.

4. The cage probe for measuring condenser vacuum according to claim 1, characterized in that: The end of the probe rod is provided with bayonet holes evenly distributed in a circumference, and the inner wall of the bottom groove is provided with convex clamps corresponding to the bayonet holes one by one.

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