CN114383482A - Controllable spacing alarm device of alarm threshold value - Google Patents
Controllable spacing alarm device of alarm threshold value Download PDFInfo
- Publication number
- CN114383482A CN114383482A CN202111440808.8A CN202111440808A CN114383482A CN 114383482 A CN114383482 A CN 114383482A CN 202111440808 A CN202111440808 A CN 202111440808A CN 114383482 A CN114383482 A CN 114383482A
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000001960 triggered effect Effects 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 37
- 238000006073 displacement reaction Methods 0.000 abstract description 13
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a limiting alarm device with a controllable alarm threshold value, and belongs to the technical field of limiting alarm devices. The technical scheme is as follows: a limit alarm device with a controllable alarm threshold value comprises a fixed shell, wherein a measuring rope winding device, a limit adjusting device and an alarm device are arranged in the fixed shell; the limiting adjusting device comprises a fixed column and two movable limiting columns arranged on two sides of the fixed column in a sliding mode, a measuring rope channel capable of allowing the measuring rope to pass through is arranged on each movable limiting column, and a clamping mechanism capable of fixing the measuring rope is arranged on each movable limiting column; and limiting points are arranged on the fixed columns, and when any movable limiting column is displaced to the limiting points, an alarm device is triggered and the clamping mechanism is released. The invention has the beneficial effects that: the deformation or relative displacement between the two objects can be detected, and an alarm threshold is set, and when the alarm threshold reaches a threshold value, an alarm signal is sent out, so that the cost is low and the cost performance is high; the measurement accuracy is high, and can be accurate to millimeter level.
Description
Technical Field
The invention relates to the technical field of limiting alarm devices, in particular to a limiting alarm device with a controllable alarm threshold value.
Background
In the building construction process, the retaining wall warp, the template support frame warp, foundation ditch displacement scheduling problem if fail in time to discover, then can become the potential safety hazard, regularly investigate hidden danger in the above-mentioned construction and be an important ring among the daily work, but manual detection is more easily observed to the great position of relative deflection, but to some less and with the situation of establishing the initial stage of variation, often lack an audio-visual effectual detection means, modes such as meter chi, distancer are usually adopted, because manual operation and the slight difference of detecting the position at every turn all can lead to great measuring error, and the position that needs the monitoring can be more usually, not only waste time and energy, still cause the problem discovery untimely easily, lack the early warning, can't accomplish to prevent in the bud, and then hidden danger persists and finally leads to the emergence of incident.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a limit alarm device with a controllable alarm threshold, which can detect the deformation or relative displacement between two objects, set an alarm threshold, and send an alarm signal when the threshold is reached, wherein the threshold is adjustable.
The invention is realized by the following technical scheme: a limit alarm device with a controllable alarm threshold value comprises a fixed shell, wherein a measuring rope winding device, a limit adjusting device and an alarm device which can wind a measuring rope are arranged in the fixed shell; the limiting adjusting device comprises a fixed column and two movable limiting columns arranged on two sides of the fixed column in a sliding mode, a rope measuring channel capable of allowing the measuring rope to pass through is arranged on each movable limiting column, and a clamping mechanism capable of fixing the measuring rope is arranged on each movable limiting column and at the position of the rope measuring channel; the measuring rope penetrates through the measuring rope channel and then penetrates out of the mounting shell, and when the clamping mechanism is clamped, the movable limiting column can move along with the elongation of the measuring rope; limiting points are arranged on the fixed columns, when any movable limiting column is displaced to the limiting point, an alarm device is triggered, and the fixed columns can jack the clamping mechanism to release the measuring rope;
the fixed shell and the free end of the measuring rope are respectively arranged on two building bodies, and the distance between the movable limiting column and the limiting point can be adjusted to adjust the alarm threshold.
The rope measuring and winding device comprises a cylinder, and a reed wound in a similar tape measure is arranged on the cylinder and can be used for the rope measuring and winding device.
Furthermore, alarm device includes alarm, battery, sets up public end conducting strip and setting on the fixed column are in activity end conducting strip on the spacing post of activity connects the return circuit through the wire, arbitrary one activity end conducting strip with trigger the alarm when public end conducting strip switches on.
The alarm device can also form an alarm loop through limit switches, two limit switches are respectively arranged on the movable limit columns, limit baffles are arranged on the fixed columns, and the limit baffles extrude the limit switches to be connected with the alarm loop.
Further, be equipped with the spout on the set casing, the fixed column slides and sets up in the spout, the lower extreme of fixed column is worn out the spout.
Furthermore, the outside of fixed box and for the position of limit point is equipped with zero scale, use zero scale is equipped with millimeter scale mark for the starting point extends to both sides, millimeter scale mark sets up the both sides of spout.
Furthermore, the limiting channel is formed by a groove which traverses one side of the movable limiting column, the clamping mechanism comprises a pressing plate hinged on the movable limiting column, a pressing strip is arranged at one end of the pressing plate close to the groove, the other end of the pressing plate is connected with the movable limiting column through a spring or a torsion structure, and the pressing strip can tightly press and lock the measuring rope in the groove.
Further, the outer side of the pressing plate is provided with a first arc-shaped boss, the fixing column is provided with a second arc-shaped boss, and when the alarm is triggered, the first arc-shaped boss can be extruded by the first arc-shaped boss, and the pressing plate is pressed down to drive the pressing strip to be separated from the groove.
Furthermore, a baffle is arranged in the fixing box to separate the measuring rope winding device from the limiting and adjusting device.
Furthermore, the baffle is provided with a threading hole allowing the measuring rope to penetrate out, the position of the sliding groove, which is close to the threading hole, is provided with a guide wheel, and the measuring line vertically penetrates through the measuring rope channel after passing through the guide wheel.
Furthermore, the positions at the two ends of the sliding groove are provided with end bosses, and when the movable limiting columns move to the two ends of the sliding groove, the end bosses can extrude the pressing plate to enable the pressing strips to be separated from the grooves.
When the displacement monitoring device is used, the free end of the measuring rope is pulled out, the measuring rope is temporarily positioned outside the measuring rope channel, and the free end of the measuring rope and the fixed shell are respectively fixed on two building structures needing displacement monitoring; adjusting the distance between the movable limiting column and the fixed column according to the maximum displacement of the building structure, namely adjusting an alarm threshold value, and clamping the measuring rope through the clamping mechanism; when the distance between the building mechanisms is displaced, when the distance is increased, the movable limiting column far away from the free end is close to the fixed column, when the distance is decreased, the movable limiting column close to the free end is close to the fixed column, when any one movable limiting column reaches a limiting point, the corresponding conducting strip is conducted, the loop of the alarm device is conducted to send an alarm, the displacement reaches an alarm threshold value, the pressing plate drives the pressing strip to be separated from the groove, the movable limiting column which is currently connected with the conducting strip keeps the current position, when the displacement continues to be increased, the measuring rope continues to be stretched, the other movable limiting column continues to follow the position, when the movable limiting column slides to the end part of the sliding groove, the end part bulge can press down the pressing plate to further release the measuring rope, and in the whole process, once the alarm continues to work, until the movable limiting column is manually reset.
The invention has the beneficial effects that: the device has low manufacturing cost and high cost performance; the measurement precision is high and can be accurate to millimeter level; the operation is easy, the alarm can be continuously given, and the method is suitable for building engineering; the alarm threshold value is adjustable, and the application range is wide; the rope measuring and winding device is arranged, and the length of the measuring rope can meet different building intervals.
Drawings
Fig. 1 is a schematic view of the overall structure of the device.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural view of the movable limiting column.
Reference numerals: 1. a stationary case; 11. a chute; 12. millimeter scale lines; 13. a baffle plate; 2. a measuring rope winding device; 21. rope measurement; 3. an alarm device; 31. an alarm; 32. a battery; 33. a wire; 34. a common terminal conductive sheet; 35. a movable end conducting strip; 4. a movable limiting column; 41. a groove; 42. layering; 43. pressing a plate; 44. a spring; 45. a first arc-shaped boss; 5. fixing a column; 51. and a second arc-shaped boss.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The first embodiment of the invention is realized by the following technical scheme: a limit alarm device 3 with a controllable alarm threshold comprises a fixed shell 1, wherein a measuring rope winding device 2, a limit adjusting device and an alarm device 3 which can wind a measuring rope 21 are arranged in the fixed shell 1; the limiting and adjusting device comprises a fixed column 5 and two movable limiting columns 4 which are arranged on two sides of the fixed column 5 in a sliding manner, a measuring rope 21 channel capable of allowing the measuring rope 21 to pass through is arranged on each movable limiting column 4, and a clamping mechanism capable of fixing the measuring rope 21 is arranged on each movable limiting column 4 and at the position of the measuring rope 21 channel; the measuring rope 21 penetrates through the measuring rope 21 channel and then penetrates out of the mounting shell, and when the clamping mechanism is clamped, the movable limiting column 4 can move along with the elongation of the measuring rope 21; a limiting point is arranged on the fixed column 5, when any movable limiting column 4 moves to the limiting point, the alarm device 3 is triggered, and the fixed column 5 can jack the clamping mechanism to release the measuring rope 21;
the free ends of the fixed shell 1 and the measuring rope 21 are respectively arranged on the two building bodies, and the distance between the movable limiting column 4 and the limiting point is adjusted to adjust the alarm threshold value.
The rope measuring and winding device 2 comprises a cylinder, and a winding reed similar to a tape measure is arranged on the cylinder and can be used for winding the measuring rope 21 into the device.
The alarm device 3 comprises an alarm 31, a battery 32, a public end conducting strip 34 arranged on the fixed column 5 and a movable end conducting strip 35 arranged on the movable limiting column 4, the alarm 31 is triggered when any one movable end conducting strip 35 is communicated with the public end conducting strip 34 by connecting a wire 33 with a loop.
Be equipped with spout 11 on the set casing 1, fixed column 5 slides and sets up in spout 11, and spout 11 is worn out to the lower extreme of fixed column 5.
The outside of fixed box and for the position of limit point be equipped with zero scale, use zero scale to extend to both sides and be equipped with millimeter scale mark 12 as the starting point, millimeter scale mark 12 sets up the both sides at spout 11.
The limiting channel is composed of a groove 41 traversing one side of the movable limiting column 4, the clamping mechanism comprises a pressing plate 43 hinged on the movable limiting column 4, one end of the pressing plate 43 close to the groove 41 is provided with a pressing strip 42, the other end of the pressing plate 43 is connected with the movable limiting column 4 through a spring 44 or a torsion structure, and the pressing strip 42 can tightly press and lock the measuring rope 21 in the groove 41.
The outer side of the pressing plate 43 is provided with a first arc-shaped boss 45, the fixing column 5 is provided with a second arc-shaped boss 51, when the alarm 31 is triggered, the first arc-shaped boss 45 can be extruded by the first arc-shaped boss 45, and the pressing plate 43 is pressed down to further drive the pressing strip 42 to separate from the groove 41.
The fixed box is internally provided with a baffle 13 for separating the rope measuring winding device 2 from the limiting and adjusting device.
The baffle 13 is provided with a threading hole allowing the measuring rope 21 to pass through, the chute 11 is provided with a guide wheel at a position close to the threading hole, and the measuring rope passes through the guide wheel and then vertically passes through the passage of the measuring rope 21.
End bosses are arranged at the two ends of the sliding chute 11, and when the movable limiting column 4 moves to the two ends of the sliding chute 11, the end bosses can extrude the pressing plate 43, so that the pressing strip 42 is separated from the groove 41.
When the displacement monitoring device is used, the free end of the measuring rope 21 is drawn out, the measuring rope 21 is temporarily positioned outside a channel of the measuring rope 21, and the free end of the measuring rope 21 and the fixed shell 1 are respectively fixed on two building structures needing displacement monitoring; adjusting the distance between the movable limiting column 4 and the fixed column 5 according to the maximum displacement of the building structure, namely adjusting an alarm threshold value, and clamping the measuring rope 21 through a clamping mechanism; when the distance between the building mechanisms is displaced and the distance is increased, the movable limiting column 4 far away from the free end is close to the fixed column 5, when the distance is reduced, the movable limiting post 4 close to the free end is close to the fixed post 5, when any movable limiting post 4 reaches the limiting point, the corresponding conducting strip is conducted, the loop of the alarm device 3 is conducted to send out an alarm, at this time, the displacement reaches the alarm threshold value, and the pressing plate 43 drives the pressing strip 42 to separate from the groove 41, the movable limiting column 4 which is connected with the conducting strip at present keeps the current position, when the displacement continues to increase, the measuring rope 21 continues to be stretched, the other movable limiting column 4 continues to follow the position, when the movable limiting post 4 slides to the end of the sliding chute 11, the end part bulge can press down the pressing plate 43, further releasing the measuring rope 21, in the whole process, once the alarm 31 gives an alarm, the alarm can continuously work until the movable limiting column 4 is manually reset; this device can also set up the flexible of monitoring building structure room alone or the extension according to the demand.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, e.g. as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Claims (9)
1. A limit alarm device with a controllable alarm threshold value is characterized by comprising a fixed shell, wherein a measuring rope winding device, a limit adjusting device and an alarm device which can wind a measuring rope are arranged in the fixed shell; the limiting adjusting device comprises a fixed column and two movable limiting columns arranged on two sides of the fixed column in a sliding mode, a rope measuring channel capable of allowing the measuring rope to pass through is arranged on each movable limiting column, and a clamping mechanism capable of fixing the measuring rope is arranged on each movable limiting column and at the position of the rope measuring channel; the measuring rope penetrates through the measuring rope channel and then penetrates out of the mounting shell, and when the clamping mechanism is clamped, the movable limiting column can move along with the elongation of the measuring rope; when any movable limiting column is displaced to the position of the fixed column, an alarm device is triggered, and the fixed column can jack the clamping mechanism open to release the measuring rope;
the fixed shell and the free end of the measuring rope are respectively arranged on two building bodies, and the distance between the movable limiting column and the limiting point can be adjusted to adjust the alarm threshold.
2. A limiting alarm device with controllable alarm threshold according to claim 1, characterized in that the alarm device comprises an alarm, a battery, a public end conducting strip arranged on the fixed column and a movable end conducting strip arranged on the movable limiting column, wherein a loop is connected through a lead, and the alarm is triggered when any one movable end conducting strip is connected with the public end conducting strip.
3. The limiting alarm device according to claim 1, wherein a sliding groove is formed in the fixing shell, the fixing column is slidably disposed in the sliding groove, and a lower end of the fixing column penetrates out of the sliding groove.
4. A limit alarm device with controllable alarm threshold according to claim 3, wherein a zero scale is arranged on the outer side of the fixing box and at a position relative to the limit point, millimeter scale marks are arranged by taking the zero scale as a starting point and extending towards two sides, and the millimeter scale marks are arranged on two sides of the sliding groove.
5. A limiting alarm device according to claim 3, wherein the limiting channel is formed by a groove traversing one side of the movable limiting post, the clamping mechanism comprises a pressing plate hinged on the movable limiting post, one end of the pressing plate close to the groove is provided with a pressing strip, the other end of the pressing plate is connected with the movable limiting post through a spring or torsion structure, and the pressing strip can tightly lock the measuring rope in the groove.
6. The limit alarm device with the controllable alarm threshold according to claim 5, wherein a first arc-shaped boss is arranged on the outer side of the pressing plate, a second arc-shaped boss is arranged on the fixed column, and when the alarm is triggered, the first arc-shaped boss can be squeezed by the first arc-shaped boss, so that the pressing plate is pressed down to drive the pressing strip to be separated from the groove.
7. A limiting alarm device with controllable alarm threshold according to claim 3, characterized in that a baffle is arranged inside the fixing box to separate the measuring rope winding device and the limiting adjusting device.
8. The limit alarm device with the controllable alarm threshold value as claimed in claim 7, wherein the baffle is provided with a threading hole for allowing the measuring line to pass through, the chute is provided with a guide wheel at a position close to the threading hole, and the measuring line passes through the guide wheel and then vertically passes through the measuring line channel.
9. A limiting alarm device according to claim 5, wherein end bosses are provided at the ends of the sliding groove, and when the movable limiting post moves to the ends of the sliding groove, the end bosses can press the pressing plate to separate the pressing bar from the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440808.8A CN114383482B (en) | 2021-11-30 | 2021-11-30 | Limiting alarm device with controllable alarm threshold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440808.8A CN114383482B (en) | 2021-11-30 | 2021-11-30 | Limiting alarm device with controllable alarm threshold |
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| CN114383482A true CN114383482A (en) | 2022-04-22 |
| CN114383482B CN114383482B (en) | 2024-05-14 |
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| CN202111440808.8A Active CN114383482B (en) | 2021-11-30 | 2021-11-30 | Limiting alarm device with controllable alarm threshold |
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