CN218765718U - Connecting device suitable for acceleration sensor and prestressed tendons - Google Patents
Connecting device suitable for acceleration sensor and prestressed tendons Download PDFInfo
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- CN218765718U CN218765718U CN202123172058.9U CN202123172058U CN218765718U CN 218765718 U CN218765718 U CN 218765718U CN 202123172058 U CN202123172058 U CN 202123172058U CN 218765718 U CN218765718 U CN 218765718U
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Abstract
The utility model discloses a connecting device suitable for acceleration sensor and prestressing tendons relates to acceleration sensor and prestressing tendons technical field, including sensor main part, spring washer, fastening nut and the fastening bolt who takes the bottom plate, fixed mounting has spring washer around the top of the sensor main part of taking the bottom plate. The utility model discloses a possess the side and step up the bolt, solve current connecting device when using, can't guarantee that the device uses for a long time and can not become flexible, can't be suitable for the problem of the long-term monitoring of sensor, through adopting the circular arc of two curvature radii not less than the prestressing tendons maximum radius commonly used to press from both sides tight piece, mode through bolted connection, can realize the prestressing tendons and the acceleration sensor fastening with various diameters, two sides of reuse step up the bolt mounting bar and adjust the prestressing tendons fixedly, can guarantee that the device uses for a long time and can not become flexible, the long-term monitoring of specially adapted sensor.
Description
Technical Field
The utility model relates to a connecting device relates to acceleration sensor and prestressing tendons technical field, concretely relates to connecting device suitable for acceleration sensor and prestressing tendons.
Background
The acceleration sensor is widely used for monitoring the stress change of the prestressed reinforcement in main bodies of construction projects such as buildings, bridges and tunnels on line at present, and can provide reliable basis for judging the structural health state of the main bodies. Because the online automatic monitoring technology of the construction engineering has the characteristics of high monitoring frequency, long monitoring period and the like, whether a long-term firm and reliable connection can be formed between the sensor and the measured main body is particularly important in the construction process of the monitoring system.
At present, the connection mode of the acceleration sensor and the measured main body is generally three: the first is to directly stick the bottom of the sensor to the surface of the measured main body by gluing, which is mainly suitable for short-term monitoring of the smooth contact surface of the measured main body; the second is to fix the sensor on the surface of the measured body by using an expansion bolt, which is mainly suitable for a concrete structure; the third is a welding mode, firstly fixes the sensor on the mounting base plate by screws, and then welds the base plate on the surface of the measured main body, which is mainly applicable to steel structures.
The prestressed tendons are used for providing compressive stress for the concrete structure in advance, and can effectively prevent the concrete structure from cracking under tension. The prestressing tendons are usually made of single or bundled steel wires, steel bars or steel strands, and for such steel members with cylindrical configuration and large diameter specification and variety, a device capable of reliably connecting with the sensor is required when monitoring the stress strain for a long time. The following problems exist in the prior art:
1. when the existing connecting device is used, the device cannot be loosened after long-term use, and the connecting device is particularly suitable for the problem of long-term monitoring of a sensor;
2. the existing connecting device cannot be installed quickly in the using process, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connecting device suitable for an acceleration sensor and a prestressed tendon, wherein one purpose is to provide a side-fastening bolt, and solve the problems that the existing connecting device cannot ensure that the device cannot be loosened after long-term use and cannot be suitable for long-term monitoring of the sensor when in use; wherein another kind of purpose is in order to solve current connecting device in the use, can't install fast, problem that production efficiency is not high to reach and make connecting device in the use, can utilize two circular arcs to press from both sides tight piece and two sides to step up the bolt mounting bar, the device is simple and easy, and production is convenient, and strengthens maneuverability, improves production efficiency.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a connecting device suitable for acceleration sensor and prestressing tendons, includes sensor main part, spring washer, fastening nut and the fastening bolt who takes the bottom plate, fixed mounting has spring washer around the top of the sensor main part of taking the bottom plate, spring washer's top fixed mounting has fastening nut, fastening nut's top fixed mounting is at fastening bolt, the sensor main part bottom of taking the bottom plate is provided with the side and steps up the bolt mounting bar, the side steps up the bolt mounting bar and is used for strengthening maneuverability.
The bottom of the sensor main body with the bottom plate is provided with a side clamping bolt which is used for ensuring that the device cannot loosen after long-term use.
The utility model discloses technical scheme's further improvement lies in: the sensor comprises a sensor body with a bottom plate, and is characterized in that a connecting device body is arranged at the top of the sensor body with the bottom plate, the bottom of the connecting device body is fixedly installed at the top of the sensor body with the bottom plate, and the top of a side clamping bolt mounting bar is fixedly installed at the left side and the right side of the bottom of the sensor body with the bottom plate.
The utility model discloses technical scheme's further improvement lies in: the bottom of the side clamping bolt mounting bar is provided with an arc clamping piece, the top of the arc clamping piece is lapped at the bottom of the side clamping bolt mounting bar, a connecting diamond bolt is movably mounted at the bottom of the arc clamping piece, and the surface of the connecting diamond bolt penetrates through the arc clamping piece and is in threaded connection with the inner side of the side clamping bolt mounting bar.
The utility model discloses technical scheme's further improvement lies in: the inner side of the arc clamping piece is provided with a prestressed tendon, and the surface of the prestressed tendon is lapped on the inner side of the arc clamping piece.
Adopt above-mentioned technical scheme, the side in this scheme steps up the bolt mounting bar and is regarded as the auxiliary stay at edge, mainly plays the effect of adjusting fixedly to the prestressing tendons, ensures that circular arc presss from both sides tight piece can not become flexible in long-term use and leads to the fastening ability inefficacy. Each device is provided with a left side surface and a right side surface which are used for clamping bolt mounting strips, two vertical internal threads are arranged in each mounting strip, the mounting strips can be connected and fastened with the arc clamping pieces and the sensor bottom plate through bolts, in addition, two horizontal internal threads are arranged, and the two mounting strips can clamp the prestressed ribs from the left side and the right side through screwing two bolts.
The utility model discloses technical scheme's further improvement lies in: the left side and the right side of the surface of the side clamping bolt mounting bar are provided with bolt moving grooves in a penetrating mode, and the inner walls of the bolt moving grooves are in threaded connection with side clamping bolts.
By adopting the technical scheme, the arc clamping pieces in the scheme are the main parts for clamping the sensor and the prestressed tendons, and each set of device is provided with two clamping pieces. The wing plates at the two ends of the sensor are respectively connected with the side clamping bolt mounting bars, and the prestressed tendons are firmly connected with the sensor by screwing the four side clamping bolts from the four internal thread holes of the sensor bottom plate. The arc radius of the clamping piece is generally not smaller than the maximum radius of the common prestressed tendon, so that the prestressed tendons with various diameters and the sensor can be reliably connected by adjusting the precession degree of the four side tightening bolts.
The utility model discloses technical scheme's further improvement lies in: the inner sides of the side tightening bolts are movably arranged at the left side and the right side of the prestressed tendons.
Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:
1. the utility model provides a connecting device suitable for acceleration sensor and prestressing tendons, step up the bolt in order to possess the side, solve current connecting device when using, can't guarantee that the device can not become flexible for long-term use, the problem of the long-term monitoring of unable sensor of being suitable for, through adopting the circular arc clamping piece that two curvature radii are not less than the prestressing tendons maximum radius commonly used, mode through bolted connection, can realize the prestressing tendons and the acceleration sensor fastening with various diameters, two sides of reuse step up the bolt mounting bar and adjust the prestressing tendons fixedly, can guarantee that the device can not become flexible for long-term use, the long-term monitoring of specially adapted sensor.
2. The utility model provides a connecting device suitable for acceleration sensor and prestressing tendons, in order to possess the side and step up bolt mounting strip, the tight piece of circular arc clamp, solve current connecting device in the use, can't install fast, the not high problem of production efficiency to reach and make connecting device in the use, can utilize two circular arcs to press from both sides tight piece and two sides and step up the bolt mounting strip, the device is simple and easy, and production is convenient, and strengthens maneuverability, improves production efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic bottom view of the present invention;
fig. 3 is the schematic view of the sectional structure of the side-tightening bolt mounting bar of the present invention.
In the figure: 1. a sensor body with a base plate; 2. a spring washer; 3. fastening a nut; 4. fastening a bolt; 5. a connecting device body; 6. the bolt mounting strip is fastened on the side surface; 7. the bolt is fastened on the side surface; 8. a circular arc clamping piece; 9. connecting a diamond bolt; 10. prestressed tendons; 11. bolt activity groove.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-3, the utility model provides a connecting device suitable for acceleration sensor and prestressing tendons, including the sensor main part 1 of taking the bottom plate, spring washer 2, fastening nut 3 and fastening bolt 4, fixed mounting has spring washer 2 around the top of the sensor main part 1 of taking the bottom plate, the top fixed mounting of spring washer 2 has fastening nut 3, fastening nut 3's top fixed mounting is at fastening bolt 4, the sensor main part 1 bottom of taking the bottom plate is provided with side clamping bolt mounting bar 6, side clamping bolt mounting bar 6 is used for strengthening maneuverability, the bottom of the sensor main part 1 of taking the bottom plate is provided with side clamping bolt 7, side clamping bolt 7 is used for guaranteeing that the device can not become flexible for long-term the use, the sensor main part 1 top of taking the bottom plate is provided with connecting device main part 5, the bottom fixed mounting of connecting device main part 5 is at the top of the sensor main part 1 of taking the bottom plate, the top fixed mounting of side clamping bolt mounting bar 6 is provided with the bottom left and right sides of the sensor main part 1 of taking the bottom of bottom plate, the side clamping bolt mounting bar 6 is provided with circular arc clamp piece 8, the bottom clamping bolt mounting bar is connected with the inboard of the arc bolt 9 and the diamond bolt connecting piece of the movable connection of the diamond bolt.
Example 2
As shown in fig. 1-3, on the basis of embodiment 1, the utility model provides a technical solution: the inner side of the arc clamping piece 8 is provided with a prestressed tendon 10, the surface of the prestressed tendon 10 is lapped on the inner side of the arc clamping piece 8, the side clamping bolt mounting strip 6 is used as an auxiliary support of the edge, the effect of adjusting and fixing is mainly played on the prestressed tendon 10, and the arc clamping piece 8 is ensured not to loosen to cause the failure of fastening capacity in long-term use. Every set of device has about two sides clamping bolt mounting bar 6, it has two vertical internal threads to open in every mounting bar, can press from both sides tight piece 8 with its and circular arc, the bolted connection fastening for the sensor bottom plate, there are two horizontal internal threads in addition, two bolts of accessible screwing make two mounting bars from the left and right sides clamping prestressing tendons 8, the surperficial left and right sides of side clamping bolt mounting bar 6 is seted up and is run through and has bolt activity groove 11, threaded connection has side clamping bolt 7 on the inner wall in bolt activity groove 11, circular arc presss from both sides tight piece 8 is the main part with sensor and prestressing tendons 10 clamp tightly, every set of device has two and presss from both sides tight piece. The wing plates at the two ends of the sensor are respectively connected with the lateral clamping bolt mounting strips 6, and the prestressed tendons 10 are firmly connected with the sensor by screwing four lateral clamping bolts 7 from four internal thread holes of the sensor bottom plate. The arc radius of the clamping piece is generally not smaller than the maximum radius of the common prestressed tendon 10, so that the prestressed tendons 10 with various diameters and the sensor can be reliably connected by adjusting the precession degree of the four side tightening bolts 7, and the inner sides of the side tightening bolts 7 are movably arranged at the left side and the right side of the prestressed tendons 10.
The working principle of the connecting device for the acceleration sensor and the prestressed tendon is described in detail below.
As shown in fig. 1-3, firstly, the acceleration sensor is attached to the prestressed tendon 10, then the arc clamping piece 8 is abutted to the prestressed tendon 10, the arc clamping piece 8 and the side tightening bolt mounting bar 6 are screwed up through the internal thread of the sensor base plate by using four bolts, and finally the four bolts are screwed in from the level of the side tightening bolt mounting bar 6 to the internal thread until the top end of the side tightening bolt 7 can abut to the prestressed tendon 10.
The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.
Claims (6)
1. The utility model provides a connecting device suitable for acceleration sensor and prestressing tendons, includes sensor main part (1), spring washer (2), fastening nut (3) and fastening bolt (4) of taking the bottom plate, fixed mounting has spring washer (2) around the top of sensor main part (1) of taking the bottom plate, the top fixed mounting of spring washer (2) has fastening nut (3), the top fixed mounting of fastening nut (3) is at fastening bolt (4), its characterized in that: the bottom of the sensor main body (1) with the bottom plate is provided with a lateral clamping bolt mounting strip (6), and the lateral clamping bolt mounting strip (6) is used for enhancing operability;
the bottom of the sensor main body (1) with the bottom plate is provided with a side clamping bolt (7), and the side clamping bolt (7) is used for ensuring that the device cannot loosen after long-term use.
2. A connecting device for an acceleration sensor and a tendon according to claim 1, characterized in that: the sensor comprises a sensor body (1) with a bottom plate, wherein a connecting device body (5) is arranged at the top of the sensor body (1) with the bottom plate, the bottom of the connecting device body (5) is fixedly installed at the top of the sensor body (1) with the bottom plate, and the top of a side clamping bolt mounting strip (6) is fixedly installed at the left side and the right side of the bottom of the sensor body (1) with the bottom plate.
3. The connecting device for the acceleration sensor and the prestressed tendon as claimed in claim 1, wherein: the bottom of the side clamping bolt mounting bar (6) is provided with an arc clamping piece (8), the top of the arc clamping piece (8) is lapped at the bottom of the side clamping bolt mounting bar (6), the bottom of the arc clamping piece (8) is movably provided with a connecting diamond block bolt (9), and the surface of the connecting diamond block bolt (9) penetrates through the arc clamping piece (8) and is in threaded connection with the inner side of the side clamping bolt mounting bar (6).
4. A connecting device for an acceleration sensor and a tendon according to claim 3, characterized in that: the inner side of the arc clamping piece (8) is provided with a prestressed tendon (10), and the surface of the prestressed tendon (10) is lapped on the inner side of the arc clamping piece (8).
5. A connecting device for an acceleration sensor and a tendon according to claim 1, characterized in that: the left side and the right side of the surface of the side clamping bolt mounting bar (6) are provided with bolt moving grooves (11) in a penetrating mode, and the inner walls of the bolt moving grooves (11) are in threaded connection with side clamping bolts (7).
6. A connecting device for an acceleration sensor and a tendon according to claim 1, characterized in that: the inner sides of the side clamping bolts (7) are movably arranged at the left side and the right side of the prestressed tendon (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123172058.9U CN218765718U (en) | 2021-12-16 | 2021-12-16 | Connecting device suitable for acceleration sensor and prestressed tendons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123172058.9U CN218765718U (en) | 2021-12-16 | 2021-12-16 | Connecting device suitable for acceleration sensor and prestressed tendons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218765718U true CN218765718U (en) | 2023-03-28 |
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ID=85643576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123172058.9U Active CN218765718U (en) | 2021-12-16 | 2021-12-16 | Connecting device suitable for acceleration sensor and prestressed tendons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218765718U (en) |
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2021
- 2021-12-16 CN CN202123172058.9U patent/CN218765718U/en active Active
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