Single and double inclined plane expansion difference monitor with adjusting function

Abstract

The utility model discloses a single-double inclined plane expansion difference monitor with an adjusting function, which relates to the technical field of single-double inclined plane expansion difference monitors and comprises a machine body, a mounting assembly is movably mounted on the machine body, and the mounting assembly comprises a mounting support, a storage box, a connecting plate, a clamping block, a connecting rod, a gear and a graduated ring. After the fastening bolt is unscrewed, the connecting plate moves in the storage box, the connecting plate moves left and right, the position of the machine body is adjusted, the handle moves towards the rear side, the fixing state of the handle and the gear is relieved, the machine body rotates on the connecting plate through the connecting rod, the angle is adjusted, the position and angle of the machine body are adjusted conveniently, and installation is facilitated; when the machine body rotates to adjust the angle, the scale ring rotates synchronously, the scale ring is located on the side face of the connecting plate, scale numerical values are arranged on the scale ring, the numerical values on the scale ring can be observed conveniently through the observation opening, angle adjustment is clearer, and angle adjustment convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of single- and double-inclined surface differential expansion monitors, in particular to a single- and double-inclined surface differential expansion monitor with an adjustment function. Background Art

[0002] Differential expansion is the relative thermal growth between the shaft and the machine casing. During turbine startup and shutdown, due to differences in metal materials, thermal expansion coefficients, and heat dissipation, the thermal expansion of the shaft may exceed that of the casing. As a result, if the allowable clearance within the machine is exceeded, friction will occur. Between the rotating and non-rotating surfaces of large machinery, at high speeds, friction can lead to catastrophic damage. Differential expansion monitors are specifically designed for large steam turbine generator sets. By monitoring differential expansion, necessary measures can be taken before friction occurs. Prior art Chinese utility model patent No. CN205279982U discloses a differential expansion calibrator. This utility model performs loop calibration on differential expansion monitoring and protection instruments using direct measurement, compensation measurement, and inclined plane measurement methods, meeting the calibration requirements of differential expansion monitoring and protection instruments with various installation and measurement methods.

[0003] During the installation of the single and double inclined expansion differential monitor, the installation of the monitor's main body is restricted due to the structural limitations inside the turbine. The existing monitor's main body installation is not convenient for adjusting the angle and position, making it inconvenient to install and not convenient to install inside the turbine, so it needs to be improved. Summary of the Invention

[0004] The purpose of the utility model is to provide a single- and double-inclined surface differential expansion monitor with an adjustment function, so as to solve the problems raised in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A single- and double-inclined differential expansion monitor with an adjustment function comprises a body, on which a mounting assembly is movably mounted, the mounting assembly comprising a mounting bracket, a storage box, a connecting plate, a clamping block, a connecting rod, a gear and a scale ring; the mounting bracket is movably mounted at the rear position of the body, the storage box is fixedly connected to the two end positions of the mounting bracket, the connecting plate is movably mounted in the storage box, the connecting rod is fixedly connected to the two side positions of the body, and the connecting rod is rotatably connected to the connecting plate, the gear and the scale ring are fixedly connected to the connecting rod, and the scale ring is located on the side position of the gear, and the clamping block is movably mounted on the side position of the gear.

[0007] Preferably, the mounting assembly further includes a mounting hole, a No. 1 slide groove and a slider, the mounting hole is opened on the mounting bracket, the No. 1 slide groove is opened on one side of the storage box, the slider is fixedly connected to the connecting plate, and the slider is movably installed in the No. 1 slide groove.

[0008] Preferably, the mounting assembly further includes a side bracket, a fastening bolt and a limiting plate, the side bracket is fixedly connected to the other side of the storage box, the fastening bolt is movably installed on the side bracket, the limiting plate is fixedly connected to the fastening bolt, and the limiting plate is located on the inner side of the side bracket.

[0009] Preferably, the installation assembly further includes a connecting box, a spring, a movable block and a handle, the connecting box is fixedly connected to the side position of the connecting plate, the spring and the movable block are located in the connecting box, the movable block is fixedly connected to the card block, and the handle is fixedly connected to the movable block.

[0010] Preferably, the installation assembly further includes an observation port and a No. 2 slide groove, the observation port and the No. 2 slide groove are provided on the connecting plate, the handle is movably installed in the No. 2 slide groove, and the scale ring is located on the side of the observation port.

[0011] Preferably, the mounting assembly further includes a support block and a limiting block, the connecting rod is fixedly connected to the scale ring through the support block, the limiting block is fixedly connected to the outer end position of the connecting rod, and the connecting plate is located between the scale ring and the limiting block.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. Through the provided installation assembly, loosen the fastening bolts to move the connecting plate in the storage box, move the connecting plate left and right, adjust the position of the body, move the handle to the rear, release the fixed state of the handle and the gear, and allow the body to rotate on the connecting plate through the connecting rod to adjust the angle, so that the body is easy to adjust the position and angle, which is conducive to installation.

[0014] 2. Through the installation assembly, when the body rotates to adjust the angle, the scale ring rotates synchronously. The scale ring is set with scale values, which is convenient for observing the values ​​from the observation port, making the angle adjustment clearer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a single- and double-inclined expansion differential monitor with an adjustment function according to the present invention;

[0016] Figure 2 This is a schematic structural diagram of the gears and scale ring of a single- and double-bevel differential expansion monitor with an adjustment function according to the present invention;

[0017] Figure 3This is a structural diagram of a mounting bracket and a storage box for a single- and double-inclined differential expansion monitor with an adjustment function according to the present invention;

[0018] Figure 4 This is a structural schematic diagram of a connecting plate of a single- and double-inclined differential expansion monitor with an adjustment function according to the present invention;

[0019] Figure 5 The utility model is a schematic diagram of the disassembled structure of a connection box of a single- and double-inclined differential expansion monitor with an adjustment function.

[0020] Numbers in the figure: 1. Body; 2. Mounting assembly; 201. Mounting bracket; 202. Mounting hole; 203. Storage box; 204. Slide slot No. 1; 205. Side bracket; 206. Fastening bolt; 207. Limiting plate; 208. Connecting plate; 209. Observation port; 210. Connecting box; 211. Spring; 212. Movable block; 213. Block; 214. Handle; 215. Slide slot No. 2; 216. Slider; 217. Connecting rod; 218. Gear; 219. Scale ring; 220. Support block; 221. Limiting block. DETAILED DESCRIPTION

[0021] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0022] Example: Figures 1 to 5As shown, the utility model provides a technical solution of a single and double inclined expansion differential monitor with an adjustment function, including a body 1, a mounting assembly 2 movably mounted on the body 1, the mounting assembly 2 including a mounting bracket 201, a storage box 203, a connecting plate 208, a block 213, a connecting rod 217, a gear 218 and a scale ring 219, the mounting bracket 201 is movably mounted at the rear position of the body 1, the storage box 203 is fixedly connected to the two end positions of the mounting bracket 201, the connecting plate 208 is movably mounted in the storage box 203, the mounting assembly 2 further includes a mounting hole 202, a No. 1 slide groove 204 and a slider 216, the mounting hole 202 is provided on the mounting bracket 201, the No. 1 slide groove 204 is provided on one side of the storage box 203, the slider 216 is fixedly connected to the connecting plate 208, and the slider 216 is movably mounted in the No. 1 slide groove 204, The assembly 2 also includes a side bracket 205, a fastening bolt 206 and a limiting plate 207. The side bracket 205 is fixedly connected to the other side position of the storage box 203, the fastening bolt 206 is movably installed on the side bracket 205, and the limiting plate 207 is fixedly connected to the fastening bolt 206, and the limiting plate 207 is located at the inner position of the side bracket 205, and the limiting plate 207 is located at the side position of the side bracket 205. The fastening bolt 206 is turned to move the fastening bolt 206 outward, and the fixed state of the connecting plate 208 is released, making it easy for the connecting plate 208 to move in the storage box 203. The body 1 is located at one end of the connecting plate 208. As the connecting plate 208 moves, the position of the body 1 is easy to move. The slider 216 is in the No. 1 slide groove 204, making it easy for the connecting plate 208 to move in the storage box 203, and the connecting plate 208 is not easy to detach.

[0023] The connecting rod 217 is fixedly connected to the two sides of the body 1, and the connecting rod 217 is rotatably connected to the connecting plate 208. The gear 218 and the scale ring 219 are fixedly connected to the connecting rod 217, and the scale ring 219 is located on the side of the gear 218. The block 213 is movably installed on the side of the gear 218. The mounting assembly 2 also includes a connecting box 210, a spring 211, a movable block 212 and a handle 214. The connecting box 210 is fixedly connected to the side of the connecting plate 208. The spring 211 and the movable block 212 are located in the connecting box 210, the movable block 212 is fixedly connected to the block 213, the handle 214 is fixedly connected to the movable block 212, the installation component 2 also includes an observation port 209 and a second slide 215, the observation port 209 and the second slide 215 are opened on the connecting plate 208, the handle 214 is movably installed in the second slide 215, the scale ring 219 is located on the side of the observation port 209, and the installation component 2 also includes a support block 220 and the limiting block 221, the connecting rod 217 is fixedly connected to the scale ring 219 through the supporting block 220, the limiting block 221 is fixedly connected to the outer end position of the connecting rod 217, and the connecting plate 208 is located between the scale ring 219 and the limiting block 221, the handle 214 is moved sideways, so that the handle 214 moves in the second slide 215, the handle 214 drives the movable block 212 to move in the connecting box 210, and as the movable block 212 moves, the spring 21 1 is compressed, and the block 213 moves with the movement of the movable block 212, so that the fixed state of the block 213 and the gear 218 is released, so that the body 1 is easy to rotate, and the connecting rod 217 rotates in the connecting plate 208, so that the angle of the body 1 is easy to adjust. When it is adjusted to a suitable position, the handle 214 is released, so that the compressed spring 211 is restored to expand, and the block 213 moves sideways and is locked into a suitable position on the gear 218, so that the body 1 is easy to fix.

[0024] It should be noted that the present invention is a single- and double-bevel expansion differential monitor with an adjustment function. The mounting bracket 201 is installed through the mounting hole 202 and the bolt to the appropriate position in the turbine. After loosening the fastening bolt 206, the fixing state of the fastening bolt 206 and the connecting plate 208 is released, and the connecting plate 208 moves in the storage box 203, and the slider 216 moves in the No. 1 slide groove 204. When the connecting plate 208 moves to the appropriate position, the fastening bolt 206 is screwed in the reverse direction so that the fastening bolt 206 squeezes and fixes the connecting plate 208. By moving the position of the connecting plate 208, the position of the body 1 is easy to adjust. The handle 214 is moved to the rear side so that the handle 214 drives the movable block 212 to move in the connecting box 210, and the movable block 212 drives the clamping block 213 to move, and the connecting box The spring 211 in 210 is compressed by the movable block 212. After the block 213 and the gear 218 are separated from each other, the body 1 is rotated, so that the connecting rod 217 is rotated and connected in the connecting plate 208. The gear 218 and the scale ring 219 on the connecting rod 217 rotate synchronously. The scale ring 219 rotates at the side position of the observation port 209, so that the rotation angle of the body 1 is easy to display and the adjustment angle is clearer. When the body 1 is rotated to the appropriate position, the handle 214 is released, and the compressed spring 211 is restored to expand, pushing the movable block 212 and the block 213 to move in the opposite direction. The block 213 is locked into the position between the two teeth at the appropriate position on the gear 218, thereby fixing the gear 218, so that the rotation angle of the body 1 is easy to adjust. By adjusting the position and angle of the body 1, the installation of the body 1 is more convenient.

[0025] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. 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 single- and double-inclined expansion differential monitor with an adjustment function, comprising a body (1), characterized in that: The body (1) is movably mounted with a mounting assembly (2), the mounting assembly (2) comprising a mounting bracket (201), a storage box (203), a connecting plate (208), a clamping block (213), a connecting rod (217), a gear (218) and a graduated ring (219). The mounting bracket (201) is movably mounted at a rear position of the body (1), the storage box (203) is fixedly connected to both ends of the mounting bracket (201), the connecting plate (208) is movably mounted in the storing box (203), the connecting rod (217) is fixedly connected to both sides of the body (1), and the connecting rod (217) is rotatably connected to the connecting plate (208), the gear (218) and the graduated ring (219) are fixedly connected to the connecting rod (217), and the graduated ring (219) is located on the side of the gear (218), and the clamping block (213) is movably mounted on the side of the gear (218).

2. The single- and double-inclined surface differential expansion monitor with adjustment function according to claim 1, characterized in that: The mounting assembly (2) further comprises a mounting hole (202), a No. 1 slide groove (204) and a slider (216), wherein the mounting hole (202) is provided on the mounting bracket (201), the No. 1 slide groove (204) is provided on one side of the storage box (203), the slider (216) is fixedly connected to the connecting plate (208), and the slider (216) is movably installed in the No. 1 slide groove (204).

3. The single- and double-inclined surface differential expansion monitor with adjustment function according to claim 1, characterized in that: The mounting assembly (2) further comprises a side bracket (205), a fastening bolt (206) and a limiting plate (207), wherein the side bracket (205) is fixedly connected to the other side of the storage box (203), the fastening bolt (206) is movably mounted on the side bracket (205), and the limiting plate (207) is fixedly connected to the fastening bolt (206), and the limiting plate (207) is located on the inner side of the side bracket (205).

4. The single- and double-inclined surface differential expansion monitor with adjustment function according to claim 1, characterized in that: The mounting assembly (2) further comprises a connection box (210), a spring (211), a movable block (212) and a handle (214); the connection box (210) is fixedly connected to a side position of the connection plate (208); the spring (211) and the movable block (212) are located inside the connection box (210); the movable block (212) is fixedly connected to the clamping block (213); and the handle (214) is fixedly connected to the movable block (212).

5. The single- and double-inclined surface differential expansion monitor with adjustment function according to claim 4, characterized in that: The mounting assembly (2) further comprises an observation port (209) and a second chute (215), wherein the observation port (209) and the second chute (215) are provided on the connecting plate (208), the handle (214) is movably mounted in the second chute (215), and the graduated ring (219) is located on the side of the observation port (209).

6. The single- and double-inclined surface differential expansion monitor with adjustment function according to claim 1, characterized in that: The mounting assembly (2) further comprises a support block (220) and a limiting block (221), the connecting rod (217) being fixedly connected to the scale ring (219) via the support block (220), the limiting block (221) being fixedly connected to the outer end of the connecting rod (217), and the connecting plate (208) being located between the scale ring (219) and the limiting block (221).

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