Protective cover for seismograph

Abstract

The utility model discloses a seismograph protective cover which comprises a protective cylinder body, a cylinder cover and a horizontal supporting structure. According to the seismograph protective cover, a horizontal installation condition is provided for the seismograph by using the horizontal supporting structure, and the protective cylinder covers the horizontal supporting structure in a non-contact manner, so that non-contact protection of the seismograph is realized, and resonance of the protective cylinder and the seismograph is prevented; the cable is overhung and positioned through the overhanging structure, poor contact between the cable and the seismograph due to pulling is prevented, and a certain anti-pulling protection effect is achieved; the inserting positioning rod is inserted into the ground during installation and use, positioning of the protective barrel is achieved, the other end of the inserting positioning rod is inserted into the supporting lug during storage and movement, storage is achieved, and the occupied space is reduced; the two vertical rods of the U-shaped lifting handle are matched with the two pressing nuts, so that the pressing nuts can tightly press the barrel cover on the upper barrel opening of the protection barrel body, and locking is achieved.

Description

Technical Field

[0001] The utility model relates to a protective cover, in particular to a seismograph protective cover. Background Art

[0002] In our daily lives, earthquakes bring great harm to human beings, and the various earthquake data collected by earthquake workers have been of great help in earthquake prevention and early warning. At present, most of the earthquake data are collected using seismometers, which are very precise earthquake waveform acquisition instruments. When seismometers work in the wild and other places with bad environments, noise, vibration, rain, etc. will occur, and the data collected by the seismometers will be seriously affected. Currently, the seismometer is commonly installed in a protective cover, but the current structure of the seismometer protective cover is not very reasonable: the protective cover is more likely to resonate when exposed to rain, and there is a lack of cable limiters. The cable is unstable after being pulled, which will cause poor contact and affect the seismometer. Utility Model Content

[0003] The purpose of the utility model is to provide a seismograph protective cover, which can reduce the impact of resonance on the seismograph and at the same time provide a certain degree of anti-pulling protection for the cable.

[0004] Technical solution: The seismograph protective cover provided by the utility model includes a protective cylinder, a cylinder cover and a horizontal support structure; the horizontal support structure is used to horizontally support the seismograph; the protective cylinder is non-contactly covered on the horizontal support structure and is used to accommodate the horizontal support structure; a cantilever structure for cantilevering and positioning cables is installed in the protective cylinder; the cylinder cover is covered on the upper cylinder mouth of the protective cylinder; a handle is provided on the upper side of the protective cylinder; a pressing nut for pressing the cylinder cover tightly against the upper cylinder mouth of the protective cylinder is adjustably installed on the handle.

[0005] Furthermore, the horizontal support structure includes a circular support and three support adjustment screws; the diameter of the circular support is smaller than the inner diameter of the lower barrel mouth of the protective cylinder; the three support adjustment screws are all fixed on the circular support; a support adjustment plate supported on the ground is threadedly screwed on each support adjustment screw; an annular groove is provided on the circumferential side of the circular support; multiple ends are threadedly screwed on the lower barrel mouth of the protective cylinder for receiving locking bolts that extend into the annular groove.

[0006] Furthermore, the cantilever structure includes an arc-shaped suspension frame and two cantilever supports; the two cantilever supports are fixed on the inner wall of the protective cylinder; positioning plates are provided on both ends of the arc-shaped suspension frame; the two positioning plates are detachably installed on the two cantilever supports; and multiple wire threading holes are provided at intervals on the arc-shaped suspension frame.

[0007] Furthermore, a wiring hole is provided on the protective cylinder; a waterproof cover covering the wiring hole is provided on the protective cylinder; and a sealing plug for sealing the cable through the wiring opening of the waterproof cover is filled.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows: a horizontal support structure is utilized to provide a horizontal installation condition for the seismograph, and the non-contact cover of the protective cylinder is placed on the horizontal support structure, thereby realizing non-contact protection for the seismograph and preventing resonance between the protective cylinder and the seismograph; a cantilever structure is utilized to cantilever the positioning cable, thereby preventing poor contact between the cable and the seismograph due to pulling, thereby playing a certain role in preventing pulling protection; an inserted positioning rod is inserted on the ground during installation and use, thereby realizing positioning of the protective cylinder, and the other end of the inserted positioning rod is inserted on the supporting ear seat during storage and movement, thereby realizing storage and reducing occupied space; the cooperation between the two vertical rods of the U-shaped handle and the two pressing nuts is utilized, so that the pressing nuts can press the cylinder cover tightly against the upper cylinder mouth of the protective cylinder to realize locking. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural diagram of the utility model;

[0010] Figure 2 It is a cross-sectional view of the utility model;

[0011] Figure 3 This is a top view of the cantilever structure of the utility model;

[0012] In the figure: 1. Cylinder body; 2. Cylinder cover; 3. Handle; 4. Anti-slip sleeve; 5. Press nut; 6. Insulation layer; 7. Waterproof cover; 8. Sealing plug; 9. Cantilever support; 10. Arc-shaped suspension bracket; 11. Positioning plate; 12. Threading hole; 13. Circular support; 14. Annular groove; 15. Support adjustment screw; 16. Support adjustment plate; 17. Storage locking bolt; 18. Support ear seat; 19. Lifting rod; 20. Insertion positioning rod. DETAILED DESCRIPTION

[0013] The technical solution of the present invention will be described in detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

[0014] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; they can refer to direct connection or indirect connection through an intermediate medium; they can refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0015] In the description of the present invention, it should be understood that the terms "left", "right", "front", "back", "up", "down", "top", "bottom", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0016] Example 1:

[0017] like Figure 1-3 As shown, the utility model provides a seismograph protective cover comprising: a protective cylinder 1, a cylinder cover 2 and a horizontal support structure; the horizontal support structure is used to horizontally support the seismograph; the protective cylinder 1 is non-contactly covered on the horizontal support structure and is used to accommodate the horizontal support structure; a plurality of support ears 18 are provided on the lower end of the outer side of the protective cylinder 1; an insertion positioning rod 20 with a pointed lower end is inserted through each support ear seat; and a horizontal support rod 20 is provided on the upper side of the insertion positioning rod 20. A lifting rod 19; the cylinder cover 2 covers the upper cylinder mouth of the protective cylinder 1; an insulation layer 6 is provided in the protective cylinder 1 and the cylinder cover 2; a cantilever structure for cantilevering and positioning the cable is installed in the protective cylinder 1; a U-shaped handle 3 is provided on the upper side of the protective cylinder 1; an anti-slip sleeve 4 is provided on the horizontal rod of the handle 3; external threads are provided on the two vertical rods of the handle 3; a pressing nut 5 for pressing on the upper side of the cylinder cover 2 is screwed on the two vertical rods of the handle 3.

[0018] A horizontal support structure is used to provide horizontal installation conditions for the seismograph, and the protective cylinder 1 is non-contactly covered on the horizontal support structure to achieve non-contact protection for the seismograph and prevent the protective cylinder 1 from resonating with the seismograph; a cantilever structure is used to cantilever the positioning cable to prevent the cable from being pulled and having poor contact with the seismograph, thereby playing a certain role in anti-pulling protection; an inserted positioning rod 20 is inserted on the ground during installation and use to achieve positioning of the protective cylinder 1, and the other end of the inserted positioning rod 20 is inserted on the support ear seat 18 during storage and movement to achieve storage, thereby reducing the occupied space; the two vertical rods of the U-shaped handle 3 are cooperated with the two pressing nuts 5, so that the pressing nuts 5 can press the cylinder cover 2 tightly against the upper cylinder mouth of the protective cylinder 1 to achieve locking.

[0019] Furthermore, the horizontal support structure includes a circular support 13 and three support adjustment screws 15; the diameter of the circular support 13 is smaller than the inner diameter of the lower barrel mouth of the protective cylinder 1; the upper ends of the three support adjustment screws 15 are fixed on the lower side surface of the circular support 13, and the lower ends are all set to pointed ends; a support adjustment plate 16 supported on the ground is threadedly screwed on each support adjustment screw 15; an annular groove 14 is provided on the circumferential side surface of the circular support 13; and a plurality of ends are threadedly screwed on the lower barrel mouth of the protective cylinder 1 for receiving locking bolts 17 that extend into the annular groove 14.

[0020] The diameter of the circular support 13 is smaller than the diameter of the lower mouth of the protective cylinder 1, so that the protective cylinder 1 does not contact the circular support 13, thereby preventing interference with the seismometer; the cooperation between the support adjustment screw 15 and the support adjustment plate 16 can adjust the distance between each support adjustment plate 16 and the circular support 13, so that it can be adjusted according to needs to ensure that the upper side of the circular support 13 is in a horizontal state, thereby providing horizontal installation conditions for the seismometer; the cooperation between the storage locking bolt 17 and the annular groove 14 is used to realize the storage of the horizontal support structure of the protective cylinder 1. During transportation, the circular support 13, the support adjustment screw 15 and the support adjustment plate 16 are all located in the protective cylinder 1, which reduces the occupied space and facilitates movement, while preventing the tip of the support adjustment screw 15 from causing harm to people or objects.

[0021] Furthermore, the cantilever structure includes an arc-shaped suspension frame 10 and two cantilever supports 9; the two cantilever supports 9 are fixed on the inner wall of the protective cylinder 1, and are respectively located at two equal points of the inner wall of the protective cylinder 1 when viewed from above; positioning plates 11 are provided on both ends of the arc-shaped suspension frame 10; cantilever rotating shafts are provided on the two positioning plates 11, which are respectively rotatably inserted on the two cantilever supports 9; cantilever locking bolts for threading on the corresponding cantilever supports 9 are installed through the two positioning plates 11; when the cantilever locking bolts are threaded on the cantilever supports 9, the arc-shaped suspension frame 10 is in an upward arched state; a plurality of threading holes 12 are provided at intervals on the arc-shaped suspension frame 10.

[0022] By utilizing the cooperation between the cantilever shaft, the cantilever locking bolt and the cantilever support 9, the arc-shaped suspension frame 10 can be disassembled, which is convenient for the cable threading operation, so that the cable is suspended and the interference of the cable on the seismometer is reduced. At the same time, the cantilever shaft and the cantilever locking bolt can position the positioning plate 11 at two points to prevent shaking; by repeatedly penetrating and wrapping the threading hole 12, the cable can be suspended and positioned, and a certain anti-pull effect is achieved.

[0023] Furthermore, a wiring hole is provided on the circumferential side wall of the protective cylinder 1; a waterproof cover 7 covering the wiring hole is provided on the outer surface of the protective cylinder 1; a wiring opening is provided on the lower side of the waterproof cover 7; a sealing plug 8 for sealing the cable through is filled in the wiring opening of the waterproof cover 7; a snap groove is horizontally provided on the lower inner wall of the waterproof cover 7; and a snap convex strip matching the snap groove is provided on the outer wall of the sealing plug 8.

[0024] The waterproof cover 7 and the sealing plug 8 can protect the wiring hole from water leakage, preventing rainwater from dripping onto the seismometer; the cooperation between the buckle groove and the buckle convex strip can improve the sealing performance and the reliability of the installation of the sealing plug 8.

[0025] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes in form and details may be made without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A seismograph protective cover, characterized in that: The invention comprises a protective cylinder (1), a cylinder cover (2) and a horizontal support structure; the horizontal support structure is used for horizontally supporting a seismograph; the protective cylinder (1) is non-contactly covered on the horizontal support structure and is used for storing the horizontal support structure; a cantilever structure for cantilevering and positioning a cable is installed in the protective cylinder (1); the cylinder cover (2) covers the upper cylinder opening of the protective cylinder (1); a handle (3) is provided on the upper side of the protective cylinder (1); and a pressing nut (5) for pressing the cylinder cover (2) against the upper cylinder opening of the protective cylinder (1) is adjustably installed on the handle (3).

2. The seismograph protective cover according to claim 1, characterized in that: The horizontal support structure includes a circular support (13) and three support adjustment screws (15); the diameter of the circular support (13) is smaller than the inner diameter of the lower barrel opening of the protective barrel (1); Three support adjustment screws (15) are all fixed on the circular support (13); a support adjustment plate (16) supported on the ground is screwed on each support adjustment screw (15); an annular groove (14) is provided on the circumferential side of the circular support (13); and a plurality of end portions of accommodating locking bolts (17) are screwed on the lower barrel opening of the protective barrel (1) for extending into the annular groove (14).

3. The seismograph protective cover according to claim 1, characterized in that: The cantilever structure comprises an arc-shaped suspension frame (10) and two cantilever supports (9); the two cantilever supports (9) are fixed on the inner wall of the protective cylinder (1); positioning plates (11) are provided on both ends of the arc-shaped suspension frame (10); the two positioning plates (11) are detachably mounted on the two cantilever supports (9); and a plurality of threading holes (12) are provided at intervals on the arc-shaped suspension frame (10).

4. The seismograph protective cover according to claim 1, characterized in that: A wiring hole is provided on the protective cylinder (1); a waterproof cover (7) covering the wiring hole is provided on the protective cylinder (1); and a sealing plug (8) for sealingly passing the cable is filled in the wiring opening of the waterproof cover (7).

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