A fixture for tiltmeter calibration
By designing a fixture for inclinometer calibration, combining clamping and calibration components, the calibration accuracy problem caused by handheld testing is solved, achieving higher precision calibration results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU ANKE INTELLIGENT CONTROL TECH CO LTD
- Filing Date
- 2025-08-20
- Publication Date
- 2026-05-29
AI Technical Summary
In the current inclinometer calibration process, the hand-held testing method used by employees is prone to hand tremors, forceful pressing, or tilting, which affects the calibration accuracy and reduces precision.
Design a fixture for inclinometer calibration, including a clamping component and a calibration component. The clamping component stably clamps the inclinometer, and the calibration component ensures that the inclinometer is perpendicular to the wall template, avoiding errors introduced by manual operation.
It enables stable clamping and vertical calibration without the need for handheld inclinometer, improving calibration accuracy, avoiding hand tremors and angle deviations, and enhancing calibration results.
Smart Images

Figure CN224303053U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of inclinometer technology, and in particular to a fixture for inclinometer calibration. Background Technology
[0002] Inclinometers, also known as MAKA multi-functional wall detectors, are used to detect the position of objects such as steel bars, wood, and wires inside walls, preventing workers from damaging the wall structure or pipelines during construction. Inclinometers are suitable for home repairs and building inspections.
[0003] Nowadays, after production, each inclinometer needs to be calibrated and tested. The traditional testing method is for employees to test the inclinometer by hand. This method is prone to hand tremors during calibration, as well as pressing or tilting the instrument, which affects the calibration accuracy, reduces precision, and results in poor performance. Utility Model Content
[0004] The purpose of this utility model is to provide a fixture for inclinometer calibration. In order to solve the problem that after the production of inclinometers, each inclinometer needs to be calibrated and tested, the traditional testing method is for employees to test the inclinometer by hand. This method is prone to hand tremors during calibration, and may also result in forceful pressing or tilting, which affects the calibration accuracy, reduces precision, and leads to poor performance.
[0005] To achieve the above objectives, a fixture for calibrating an inclinometer is provided, comprising: a wall template and an inclinometer, wherein a metal rod is fixedly installed on the outer wall of the wall template, a fixing component is provided on the outer wall of the wall template, a clamping component is provided on the fixing component, and a calibration component is provided on the clamping component;
[0006] The clamping assembly includes a protective shell with a travel groove on its upper surface. A first bidirectional threaded rod is rotatably mounted on the inner wall of the protective shell. A first gear is fixedly mounted on the outer wall of the middle end of the first bidirectional threaded rod. A mounting bracket is fixedly mounted on the inner wall of the protective shell. A turntable is rotatably mounted on the outer wall of the mounting bracket. A second gear is fixedly mounted on the outer wall of the turntable. The second gear is meshed with the first gear. Internal threaded rings are threaded onto the outer walls of both ends of the first bidirectional threaded rod. Connecting rods are fixedly mounted on the outer walls of the internal threaded rings.
[0007] According to the aforementioned fixture for inclinometer calibration, the connecting rod is slidably connected to the inner wall of the stroke groove, a clamping plate is fixedly installed at the top of the connecting rod, a rubber plate is fixedly installed on the outer wall of the clamping plate, and the turntable passes through a through groove opened on the outer wall of the protective shell.
[0008] According to the aforementioned fixture for inclinometer calibration, the fixing assembly includes a housing and a drive rod. A bracket is fixedly installed on the upper surface of the housing, and the top end of the bracket is fixedly installed on the lower surface of the protective housing. A second bidirectional threaded rod is rotatably installed on the inner wall of the housing, and a first bevel gear is fixedly installed on the outer wall of the middle end of the second bidirectional threaded rod.
[0009] According to the aforementioned fixture for inclinometer calibration, a knob is rotatably mounted on the outer wall of the housing, and a drive shaft is fixedly mounted on the outer wall of the knob. The drive shaft passes through a through hole opened in the outer wall of the housing, and a second bevel gear is fixedly mounted on the other end of the drive shaft. The first bevel gear and the second bevel gear are meshed together, and a threaded hole is opened at one end of the drive rod.
[0010] According to the fixture for inclinometer calibration, the two ends of the second bidirectional threaded rod are threadedly connected to the threaded holes, the other end of the driving square rod is fixedly mounted with an L-shaped plate, and square grooves are provided on both sides of the housing, with the driving square rod slidingly connected to the inner wall of the square groove.
[0011] According to the aforementioned fixture for inclinometer calibration, the calibration assembly includes a calibration plate and a pin. A slot is provided on the side wall at the bottom of the calibration plate, and a spring and a push rod are fixedly installed on the outer wall of the pin.
[0012] According to the aforementioned fixture for inclinometer calibration, the other side of the spring is fixedly installed on the inner walls of both sides of the protective housing, and the push rod passes through the slots opened on both sides of the protective housing.
[0013] According to the aforementioned fixture for inclinometer calibration, a wide groove is provided on the outer wall of the protective shell, and the pin passes through the wide groove and extends to the outside.
[0014] The above-mentioned solution has the following beneficial effects:
[0015] In this invention, a clamping component is provided, which effectively clamps the inclinometer to the wall template, eliminating the need for employees to hold the inclinometer by hand for testing. This avoids hand tremors during calibration, prevents excessive pressure or tilting, improves calibration accuracy, and results in good performance.
[0016] In this invention, a calibration component is included. This design effectively calibrates the inclinometer to the vertical plane, ensuring that the inclinometer remains perpendicular to the protective shell during clamping and parallel to the wall template. This avoids creating an angle between the inclinometer and the wall template, further improving calibration accuracy and resulting in good performance.
[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0019] Figure 1 This is an installation illustration of a fixture for calibrating an inclinometer according to the present invention.
[0020] Figure 2 This is a perspective view of a fixture for calibrating an inclinometer according to the present invention.
[0021] Figure 3 This is a perspective view of a clamping component in a fixture for inclinometer calibration according to the present invention.
[0022] Figure 4 This is a perspective view of a fixing component in a fixture for calibrating an inclinometer according to the present invention.
[0023] Figure 5 This is an exploded view of the calibration component in a fixture for calibrating an inclinometer according to this utility model.
[0024] Figure 6 This is an enlarged view of point A in the fixture tooling for inclinometer calibration according to this utility model.
[0025] Legend:
[0026] 1. Wall template; 2. Metal rod; 3. Inclinometer; 4. Clamping assembly; 41. Clamping plate; 42. Rubber plate; 43. First bidirectional threaded rod; 44. Internal threaded ring; 45. Connecting rod; 46. First gear; 47. Second gear; 48. Turntable; 49. Mounting bracket; 410. Stroke groove; 411. Protective shell; 5. Fixing assembly; 51. Outer shell; 52. Second bidirectional threaded rod; 53. First bevel gear; 54. Second bevel gear; 55. Drive shaft; 56. Knob; 57. Drive square rod; 58. L-shaped plate; 6. Calibration assembly; 61. Calibration plate; 62. Slot; 63. Pin; 64. Push rod; 65. Spring. Detailed Implementation
[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0028] Reference Figure 1-6 This utility model provides a fixture for calibrating an inclinometer, comprising: a wall template 1 and an inclinometer 3. A metal rod 2 is fixedly installed on the outer wall of the wall template 1. A fixing component 5 is provided on the outer wall of the wall template 1. A clamping component 4 is provided on the fixing component 5. A calibration component 6 is provided on the clamping component 4.
[0029] The clamping assembly 4 includes a protective shell 411. A travel groove 410 is formed on the upper surface of the protective shell 411. A first bidirectional threaded rod 43 is rotatably mounted on the inner wall of the protective shell 411. A first gear 46 is fixedly mounted on the outer wall of the middle end of the first bidirectional threaded rod 43. A mounting bracket 49 is fixedly mounted on the inner wall of the protective shell 411. A turntable 48 is rotatably mounted on the outer wall of the mounting bracket 49. A second gear 47 is fixedly mounted on the outer wall of the turntable 48. The second gear 47 is meshed with the first gear 46. Internal threaded rings 44 are threaded on the outer walls of both ends of the first bidirectional threaded rod 43. A connecting rod 45 is fixedly mounted on the outer wall of the internal threaded ring 44. The connecting rod 45 is slidably connected to the inner wall of the travel groove 410. A clamping plate 41 is fixedly mounted on the top end of the connecting rod 45. A rubber plate 42 is fixedly mounted on the outer wall of the clamping plate 41. The turntable 48 passes through the through groove formed on the outer wall of the protective shell 411.
[0030] In the clamping fixture for inclinometer calibration described in this utility model, when the inclinometer 3 needs to be clamped and fixed, the operator rotates the turntable 48, which passes through the groove on the outer wall of the protective shell 411. This causes the second gear 47, which is fixedly connected to the turntable 48, to rotate synchronously. Since the second gear 47 meshes with the first gear 46, which is fixedly installed on the outer wall of the middle end of the first bidirectional threaded rod 43, the rotation of the second gear 47 will drive the first gear 46 and the first bidirectional threaded rod 43 to rotate on the inner wall of the protective shell 411. As the first bidirectional threaded rod 43 rotates, the internal threaded rings 44 threaded on the outer walls at both ends of the first bidirectional threaded rod 43 will rotate due to the thread transmission. The first bidirectional threaded rod 43 moves along the axial direction of the threaded rod, and because the first bidirectional threaded rod 43 has a bidirectional thread structure, the two internal threaded rings 44 will move in opposite directions. When the internal threaded rings 44 move, the connecting rod 45 fixed on its outer wall will slide synchronously in the stroke groove 410 opened on the upper surface of the protective shell 411, thereby driving the clamping plate 41 fixed at the top of the connecting rod 45 to move. When the two clamping plates 41 move towards each other, the inclinometer 3 placed between them can be clamped and fixed. The rubber plate 42 fixed on the outer wall of the clamping plate 41 can increase the friction during clamping, and at the same time avoid the clamping plate 41 and the inclinometer 3 from directly contacting each other and causing wear, thereby completing the stable clamping operation of the inclinometer 3.
[0031] The fixing component 5 includes a housing 51 and a drive rod 57. A bracket is fixedly installed on the upper surface of the housing 51, and the top of the bracket is fixedly installed on the lower surface of the protective shell 411. A second bidirectional threaded rod 52 is rotatably installed on the inner wall of the housing 51. A first bevel gear 53 is fixedly installed on the outer wall of the middle end of the second bidirectional threaded rod 52. A knob 56 is rotatably installed on the outer wall of the housing 51. A drive shaft 55 is fixedly installed on the outer wall of the knob 56. The drive shaft 55 passes through a through hole opened in the outer wall of the housing 51. A second bevel gear 54 is fixedly installed at the other end of the drive shaft 55. The first bevel gear 53 and the second bevel gear 54 are meshed together. A threaded hole is opened at one end of the drive rod 57. The two ends of the second bidirectional threaded rod 52 are threadedly connected to the threaded hole. An L-shaped plate 58 is fixedly installed at the other end of the drive rod 57. Square grooves are opened on both sides of the housing 51. The drive rod 57 is slidably connected to the inner wall of the square groove.
[0032] In the fixture tooling for inclinometer calibration described in this utility model, when it is necessary to fix the overall structure through the fixing component 5, the operator rotates the knob 56 installed on the outer wall of the housing 51. When the knob 56 rotates, it will drive the drive shaft 55 fixedly connected to it to rotate synchronously. The drive shaft 55 extends through the through hole opened in the outer wall of the housing 51 into the interior of the housing 51. The second bevel gear 54 fixedly installed at its other end rotates together with the drive shaft 55. Since the second bevel gear 54 meshes with the first bevel gear 53 fixed to the outer wall of the middle end of the second bidirectional threaded rod 52 rotatably installed on the inner wall of the housing 51, the rotation of the second bevel gear 54 will drive the first bevel gear 53 and the second bidirectional threaded rod 52 to rotate on the inner wall of the housing 51. As the second bidirectional threaded rod 52 rotates, its two ends form a threaded connection with the threaded hole at one end of the driving square rod 57, causing the driving square rod 57 to move along the axial direction of the second bidirectional threaded rod 52. At the same time, the driving square rod 57 is slidably connected to the inner wall of the square groove on both sides of the outer shell 51. The square groove guides and limits the movement of the driving square rod 57. When the driving square rod 57 moves, the L-shaped plate 58 fixedly installed at its other end moves along with it. By moving the two L-shaped plates 58 in opposite directions, the target fixed position can be clamped or released, thereby completing the fixing operation of the overall structure. The top of the bracket fixedly installed on the upper surface of the outer shell 51 is fixedly connected to the lower surface of the protective shell 411.
[0033] The calibration component 6 includes a calibration plate 61 and a pin 63. A slot 62 is provided on the side wall at the bottom of the calibration plate 61. A spring 65 and a push rod 64 are fixedly installed on the outer wall of the pin 63. The other side of the spring 65 is fixedly installed on the inner wall on both sides of the protective shell 411. The push rod 64 passes through the slots on both sides of the protective shell 411. A wide groove is provided on the outer wall of the protective shell 411. The pin 63 passes through the wide groove and extends to the outside.
[0034] In the fixture tooling for inclinometer calibration described in this utility model, the calibration component 6 achieves the reference positioning for inclinometer 3 calibration through the calibration plate 61. The position is fixed between the calibration component 6 and the protective shell 411 through the cooperation of the pin 63 and the slot 62. When it is necessary to fix the calibration plate 61, the operator pushes the push rod 64 through the slots on both sides of the protective shell 411, so that the push rod 64 is pushed into the protective shell 411, which drives the pin 63 to move in the wide groove opened in the outer wall of the protective shell 411. At this time, the spring 65 fixed in the outer wall of the pin 63 is stretched. As the pin 63 moves, its extended part will exit the slot 62 opened in the bottom side wall of the calibration plate 61, releasing the positioning constraint between the calibration plate 61 and the protective shell 411. The calibration plate 61 can then be removed from the protective shell 411. The push rod 64 is released, the spring 65 returns to its deformation and pushes the pin 63 to reset, and the push rod 64 resets simultaneously.
[0035] Working principle: First, the bottom of the inclinometer 3 is pressed tightly against the calibration plate 61. Then, the turntable 48 is rotated, which drives the second gear 47 to rotate. The second gear 47 is meshed with the first gear 46. While the second gear 47 is rotating, it drives the first gear 46 to rotate. The first gear 46 then drives the first bidirectional threaded rod 43 to rotate. The first bidirectional threaded rod 43 rotates synchronously. Internal threaded rings 44 are threaded on the outer walls of both ends of the first bidirectional threaded rod 43. When the first bidirectional threaded rod 43 rotates, it drives the internal threaded rings 44 to move on its outer wall. The internal threaded rings 44 drive the clamping plate 41 with rubber plate 42 to move through the connecting rod 45, clamping it to both sides of the inclinometer 3, thus completing the clamping of the inclinometer 3. Then, the push rod 64 is pressed, which drives the pin 63 to move. The pin 63 simultaneously stretches one end of the spring 65, causing it to... When the device is in a stretched state, the pin 63 moves from one side of the slot 62 to the other side, allowing the calibration plate 61 to be removed from the protective shell 411. At this point, the bottom surface of the inclinometer 3 is on the same vertical horizontal line as one side of the shell 51. Then, one side of the shell 51 is pressed tightly against the wall template 1. The knob 56 is rotated, and the knob 56 drives the second bevel gear 54 to rotate through the drive shaft 55. The first bevel gear 53 is meshed with the second bevel gear 54, causing the first bevel gear 53 to rotate. The first bevel gear 53 simultaneously drives the second bidirectional threaded rod 52 to rotate. The two ends of the second bidirectional threaded rod 52 are threaded with drive square rods 57. When the second bidirectional threaded rod 52 rotates, it drives the drive square rod 57 to move. The drive square rod 57 simultaneously drives the L-shaped plate 58 to move, clamping both sides of the wall template 1, thus allowing the inclinometer 3 to be calibrated.
[0036] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A fixture for calibrating an inclinometer, comprising: The wall template (1) and the inclinometer (3) are characterized in that a metal rod (2) is fixedly installed on the outer wall of the wall template (1), a fixing component (5) is provided on the outer wall of the wall template (1), a clamping component (4) is provided on the fixing component (5), and a calibration component (6) is provided on the clamping component (4). The clamping assembly (4) includes a protective shell (411), the upper surface of which is provided with a stroke groove (410), a first bidirectional threaded rod (43) is rotatably mounted on the inner wall of the protective shell (411), a first gear (46) is fixedly mounted on the outer wall of the middle end of the first bidirectional threaded rod (43), a mounting bracket (49) is fixedly mounted on the inner wall of the protective shell (411), a turntable (48) is rotatably mounted on the outer wall of the mounting bracket (49), a second gear (47) is fixedly mounted on the outer wall of the turntable (48), the second gear (47) is meshed with the first gear (46), and internal threaded rings (44) are threadedly mounted on the outer walls of both ends of the first bidirectional threaded rod (43), and a connecting rod (45) is fixedly mounted on the outer wall of the internal threaded rings (44).
2. The fixture for inclinometer calibration according to claim 1, characterized in that, The connecting rod (45) is slidably connected to the inner wall of the travel groove (410). A clamping plate (41) is fixedly installed at the top of the connecting rod (45). A rubber plate (42) is fixedly installed on the outer wall of the clamping plate (41). The turntable (48) passes through the through groove opened on the outer wall of the protective shell (411).
3. The fixture for inclinometer calibration according to claim 1, characterized in that, The fixing component (5) includes a housing (51) and a drive rod (57). A bracket is fixedly installed on the upper surface of the housing (51). The top end of the bracket is fixedly installed on the lower surface of the protective shell (411). A second bidirectional threaded rod (52) is rotatably installed on the inner wall of the housing (51). A first bevel gear (53) is fixedly installed on the outer wall of the middle end of the second bidirectional threaded rod (52).
4. The fixture for inclinometer calibration according to claim 3, characterized in that, A knob (56) is rotatably mounted on the outer wall of the housing (51). A drive shaft (55) is fixedly mounted on the outer wall of the knob (56). The drive shaft (55) passes through a through hole opened on the outer wall of the housing (51). A second bevel gear (54) is fixedly mounted on the other end of the drive shaft (55). The first bevel gear (53) and the second bevel gear (54) are meshed together. A threaded hole is opened at one end of the drive rod (57).
5. A fixture for inclinometer calibration according to claim 4, characterized in that, The two ends of the second bidirectional threaded rod (52) are threadedly connected to the threaded holes. An L-shaped plate (58) is fixedly installed on the other end of the driving square rod (57). Square grooves are opened on both sides of the outer shell (51). The driving square rod (57) is slidably connected to the inner wall of the square groove.
6. A fixture for inclinometer calibration according to claim 1, characterized in that, The calibration component (6) includes a calibration plate (61) and a pin (63). A slot (62) is provided on the side wall at the bottom of the calibration plate (61). A spring (65) and a push rod (64) are fixedly installed on the outer wall of the pin (63).
7. A fixture for inclinometer calibration according to claim 6, characterized in that, The other side of the spring (65) is fixedly installed on the inner wall of both sides of the protective shell (411), and the push rod (64) passes through the slots opened on both sides of the protective shell (411).
8. A fixture for inclinometer calibration according to claim 7, characterized in that, The outer wall of the protective shell (411) is provided with a wide groove, and the pin (63) passes through the wide groove and extends to the outside.