CN220322607U - Pull rod axial force monitoring device - Google Patents
Pull rod axial force monitoring device Download PDFInfo
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- CN220322607U CN220322607U CN202322057279.4U CN202322057279U CN220322607U CN 220322607 U CN220322607 U CN 220322607U CN 202322057279 U CN202322057279 U CN 202322057279U CN 220322607 U CN220322607 U CN 220322607U
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- axial force
- adjusting screw
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000000034 method 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
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Abstract
The utility model relates to the technical field of axial force monitoring and discloses a pull rod axial force monitoring device which comprises a sleeve, a connecting rod and an adjusting screw rod, wherein a central through hole is formed in the left end of the sleeve, and an end cover is arranged at the right end of the sleeve; the connecting rod passes through the central through hole to form sliding connection, the inner side of the left end of the sleeve is provided with a pressure sensor, the right end of the connecting rod is positioned on the right side of the pressure sensor and is provided with a pressure-bearing convex ring, and the left end of the connecting rod is provided with a left threaded sleeve for being in threaded connection with the pull rod; the adjusting screw rod penetrates through the end cover to be in threaded connection with the end cover, a limiting convex ring is arranged at the left end of the adjusting screw rod, and a right threaded sleeve for being in threaded connection with the pull rod is arranged at the right end of the adjusting screw rod; the side of the sleeve is provided with a display screen for displaying the pressure value of the pressure sensor, a rechargeable storage battery is arranged in the sleeve, and the pressure sensor and the storage battery are electrically connected with the display screen. The utility model has the beneficial effects of monitoring the stress state of the pull rod in real time, being convenient to use and effectively improving the construction safety.
Description
Technical Field
The utility model relates to the technical field of axial force monitoring, in particular to a pull rod axial force monitoring device.
Background
The scaffold is an important construction tool in the construction process of building engineering, and the pull rod type cantilever scaffold is adopted more and more frequently in the construction of high-rise buildings at the present stage. As the building height of the scaffold is increased, the axial force of the pull rod at the lower end is continuously increased, and when the axial force of the pull rod is larger than the rated pulling force of the pull rod, the pull rod is easy to fail, so that potential safety hazards are generated. At present, the axial force monitoring of the pull rod is lacking, so that the stress state of the pull rod is difficult to judge.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides the pull rod axial force monitoring device which can monitor the stress state of the pull rod in real time, is convenient to use and effectively improves the construction safety.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the pull rod axial force monitoring device comprises a sleeve, a connecting rod and an adjusting screw rod, wherein the left end of the sleeve is provided with a central through hole, and the right end of the sleeve is provided with an end cover;
the connecting rod passes through the central through hole to form sliding connection, a pressure sensor is arranged on the inner side of the left end of the sleeve, a pressure-bearing convex ring is arranged on the right side of the pressure sensor at the right end of the connecting rod, and a left threaded sleeve for being in threaded connection with the pull rod is arranged at the left end of the connecting rod;
the adjusting screw rod penetrates through the end cover to be in threaded connection with the end cover, a limiting convex ring is arranged at the left end of the adjusting screw rod, and a right threaded sleeve for being in threaded connection with the pull rod is arranged at the right end of the adjusting screw rod;
the side of sleeve pipe is equipped with the display screen that is used for showing pressure sensor pressure value, be equipped with chargeable battery in the sleeve pipe, pressure sensor, battery all are connected with the display screen electricity.
Preferably, a first thrust bearing is arranged at a position, between the pressure sensor and the pressure-bearing convex ring, on the connecting rod, a left threaded joint is arranged at the left end of the connecting rod, and a left connecting hole in threaded connection with the left threaded joint is arranged at the right end of the left threaded sleeve; the end face of the left threaded joint is provided with a left threaded hole, a left bolt and a left gasket are arranged in the left threaded sleeve, and the left bolt penetrates through the left gasket and then is connected with the left threaded hole.
Preferably, a first locating surface for clamping a wrench is arranged at the position, between the left threaded sleeve and the sleeve, of the surface of the connecting rod, and a second locating surface for clamping the wrench is arranged on the outer surface of the left threaded sleeve.
Preferably, an annular groove is formed in the central through hole, and a sealing ring is arranged in the annular groove; the connecting rod is provided with a clamping groove at the left end of the sleeve, and a clamping ring is arranged in the clamping groove.
Preferably, the right end of the adjusting screw rod extends to form a connecting column, the left end of the right threaded sleeve is sleeved on the connecting column to form rotary connection, the end part of the connecting column is provided with a right threaded hole, a right bolt and a right gasket are arranged in the right threaded sleeve, and the right bolt passes through the right gasket to be in threaded connection with the right threaded hole; and a second thrust bearing is sleeved on the connecting column and positioned on the left side of the right gasket.
Preferably, a third locating surface for clamping a wrench is arranged on the side face of the right end of the adjusting screw rod, and a fourth locating surface for clamping the wrench is arranged on the outer surface of the right threaded sleeve.
Preferably, the right end of the sleeve is provided with a connecting convex ring, the end face of the connecting convex ring is provided with a plurality of connecting holes, the periphery of the end cover is provided with a flange, and the flange is connected with the connecting holes through bolts; the side of the end cover is provided with a locking bolt for locking the adjusting screw rod.
Preferably, a battery support is arranged outside the storage battery, the battery support is clamped at the inner wall of the sleeve, a charging interface for charging the storage battery is arranged on the side face of the battery support, an avoidance hole is formed in the position, corresponding to the charging interface, of the outer wall of the sleeve, and a countersunk bolt is arranged in the avoidance hole.
Preferably, an alarm is arranged on the display screen, and when the detection value of the pressure sensor reaches a preset value, the alarm gives an alarm.
Therefore, the utility model has the beneficial effects of monitoring the stress state of the pull rod in real time, being convenient to use and effectively improving the construction safety.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of fig. 1.
Fig. 3 is an exploded view of fig. 1.
FIG. 4 is a cross-sectional view taken at A-A in FIG. 2.
FIG. 5 is a schematic diagram of the connection of the present utility model to a pull rod.
Detailed Description
In order to make the technical problems, technical solutions and advantageous technical effects to be solved by the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and a plurality of exemplary embodiments. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be appreciated that the expressions "first", "second", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any particular order of number of technical features indicated. Features defining "first", "second" or "first" may be expressed or implied as including at least one such feature.
The device for monitoring the axial force of the pull rod as shown in fig. 1-4 comprises a sleeve 1, a connecting rod 2 and an adjusting screw rod 3, wherein a central through hole 100 is formed in the left end of the sleeve 1, and an end cover 4 is arranged in the right end of the sleeve; the connecting rod 2 passes through the central through hole 100 to form sliding connection, the inner side of the left end of the sleeve is provided with a pressure sensor 5, the right end of the connecting rod 2 is positioned on the right side of the pressure sensor and is provided with a pressure-bearing convex ring 20, and the left end of the connecting rod 2 is provided with a left threaded sleeve 6 for being in threaded connection with the pull rod; the adjusting screw rod 3 passes through the end cover 4 to be in threaded connection with the end cover, the left end of the adjusting screw rod 3 is provided with a limiting convex ring 30, and the right end of the adjusting screw rod is provided with a right threaded sleeve 7 for being in threaded connection with the pull rod; the side of the sleeve 1 is provided with a display screen 8 for displaying the pressure value of the pressure sensor, a rechargeable storage battery 9 is arranged in the sleeve, and the pressure sensor and the storage battery are electrically connected with the display screen.
The outside of battery 9 is equipped with battery support 90, and battery support 90 joint is in the inner wall department of sleeve pipe 1, and battery support's side is equipped with the interface 91 that charges that is used for charging for the battery, and sleeve pipe 1's outer wall is in the interface department that charges and is equipped with dodges the hole, dodges downthehole countersunk bolt 10 that is equipped with. When charging is needed, the countersunk head bolt is opened, the charger is connected for charging, and the avoidance hole is closed through the countersunk head bolt after charging. In some embodiments, an alarm is arranged on the display screen, and when the detection value of the pressure sensor reaches a preset value, the alarm gives an alarm, thereby playing a role of safety warning.
A first thrust bearing 11 is arranged at the position, between the pressure sensor and the pressure-bearing convex ring, on the connecting rod 2, a left threaded joint 21 is arranged at the left end of the connecting rod 2, and a left connecting hole in threaded connection with the left threaded joint is arranged at the right end of the left threaded sleeve 6; the end face of the left threaded joint 21 is provided with a left threaded hole 22, a left bolt 60 and a left gasket 61 are arranged in the left threaded sleeve 6, and the left bolt penetrates through the left gasket and then is connected with the left threaded hole. An annular groove 101 is arranged at the central through hole 100, and a sealing ring 102 is arranged in the annular groove; the connecting rod 2 is provided with a clamping groove 23 at the left end of the sleeve, and a clamping ring 24 is arranged in the clamping groove. The clamping ring is used for limiting the axial displacement of the connecting rod, so that the connecting rod and the central through hole can slide in a smaller range, and severe collision between the pressure-bearing convex ring and the pressure sensor caused by overlarge axial displacement of the connecting rod is prevented.
In some embodiments, the surface of the connecting rod 2 is provided with a first locating surface 25 for a wrench socket at a location between the left threaded sleeve and the sleeve, and the outer surface of the left threaded sleeve 6 is provided with a second locating surface 62 for a wrench socket. The first positioning surface is convenient for the spanner to be clamped and connected and transmit torque, so that the left threaded sleeve and the connecting rod can be fastened by threads; the second locating surface is convenient for spanner joint for can screw thread fastening between left swivel nut and the pull rod.
The right end of the adjusting screw rod 3 extends to form a connecting column 31, the left end of the right threaded sleeve 7 is sleeved on the connecting column to form rotary connection, the end part of the connecting column 31 is provided with a right threaded hole 32, a right bolt 70 and a right gasket 71 are arranged in the right threaded sleeve 7, and the right bolt passes through the right gasket to be in threaded connection with the right threaded hole; a second thrust bearing 72 is sleeved on the connecting column and positioned on the left side of the right gasket. The right end side of the adjusting screw rod 3 is provided with a third positioning surface 32 for clamping a wrench, and the outer surface of the right threaded sleeve 7 is provided with a fourth positioning surface 73 for clamping the wrench. The third positioning surface is convenient for adjusting the whole length by rotating the adjusting screw rod through a spanner; the fourth locating surface is convenient for the screw thread fastening between the right screw sleeve and the pull rod.
The right end of the sleeve 1 is provided with a connecting convex ring 103, the end surface of the connecting convex ring is provided with a plurality of connecting holes, the periphery of the end cover 4 is provided with a flange 40, and the flange is connected with the connecting holes through bolts; the side of the end cap 4 is provided with a locking bolt 41 for locking the adjusting screw.
The principle of the utility model is as follows, in combination with the accompanying drawings: according to the illustration in fig. 5, the left screw sleeve is in threaded connection with a section of pull rod 12, the right screw sleeve is in threaded connection with the pull rod 12 at the other end, the adjusting screw rod is rotated to tension the pull rod, and the display value of the display screen reaches an initial value; along with the increasing of the scaffold, the axial tension (axial force) applied to the pull rod is increased continuously, and the axial force of the pull rod can be observed from the display screen in real time, so that whether the pull rod has potential safety hazards or not is judged; when the axial force of the pull rod is larger than a preset value, the alarm gives an alarm to warn constructors.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the upper, lower, left, right, inner, outer, one end, the other end, etc. are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of more clearly describing the technical solution of the present utility model, and are not meant to indicate or imply that the device or element to be referred to must be provided with a specific direction, be configured and operated in a specific orientation, and should not be construed as limiting the present utility model.
Although specific embodiments of the utility model have been described in detail herein, they are presented for purposes of illustration only and are not to be construed as limiting the scope of the utility model. Various substitutions, alterations, and modifications can be made without departing from the spirit and scope of the utility model.
Claims (9)
1. The device for monitoring the axial force of the pull rod is characterized by comprising a sleeve, a connecting rod and an adjusting screw rod, wherein the left end of the sleeve is provided with a central through hole, and the right end of the sleeve is provided with an end cover;
the connecting rod passes through the central through hole to form sliding connection, a pressure sensor is arranged on the inner side of the left end of the sleeve, a pressure-bearing convex ring is arranged on the right side of the pressure sensor at the right end of the connecting rod, and a left threaded sleeve for being in threaded connection with the pull rod is arranged at the left end of the connecting rod;
the adjusting screw rod penetrates through the end cover to be in threaded connection with the end cover, a limiting convex ring is arranged at the left end of the adjusting screw rod, and a right threaded sleeve for being in threaded connection with the pull rod is arranged at the right end of the adjusting screw rod;
the side of sleeve pipe is equipped with the display screen that is used for showing pressure sensor pressure value, be equipped with chargeable battery in the sleeve pipe, pressure sensor, battery all are connected with the display screen electricity.
2. The pull rod axial force monitoring device according to claim 1, wherein a first thrust bearing is arranged at a position between the pressure sensor and the pressure-bearing convex ring on the connecting rod, a left threaded joint is arranged at the left end of the connecting rod, and a left connecting hole in threaded connection with the left threaded joint is arranged at the right end of the left threaded sleeve; the end face of the left threaded joint is provided with a left threaded hole, a left bolt and a left gasket are arranged in the left threaded sleeve, and the left bolt penetrates through the left gasket and then is connected with the left threaded hole.
3. The pull rod axial force monitoring device according to claim 2, wherein a first positioning surface for clamping a wrench is arranged at a position, between the left threaded sleeve and the sleeve, of the surface of the connecting rod, and a second positioning surface for clamping the wrench is arranged on the outer surface of the left threaded sleeve.
4. A pull rod axial force monitoring device according to claim 1, 2 or 3, wherein an annular groove is arranged at the central through hole, and a sealing ring is arranged in the annular groove; the connecting rod is provided with a clamping groove at the left end of the sleeve, and a clamping ring is arranged in the clamping groove.
5. The pull rod axial force monitoring device according to claim 1, wherein the right end of the adjusting screw rod extends to form a connecting column, the left end of the right threaded sleeve is sleeved on the connecting column to form rotary connection, the end part of the connecting column is provided with a right threaded hole, a right bolt and a right gasket are arranged in the right threaded sleeve, and the right bolt passes through the right gasket to be in threaded connection with the right threaded hole; and a second thrust bearing is sleeved on the connecting column and positioned on the left side of the right gasket.
6. The pull rod axial force monitoring device according to claim 5, wherein a third positioning surface for clamping a wrench is arranged on the right end side surface of the adjusting screw rod, and a fourth positioning surface for clamping the wrench is arranged on the outer surface of the right threaded sleeve.
7. The pull rod axial force monitoring device according to claim 1, wherein the right end of the sleeve is provided with a connecting convex ring, the end face of the connecting convex ring is provided with a plurality of connecting holes, the periphery of the end cover is provided with a flange, and the flange is connected with the connecting holes through bolts; the side of the end cover is provided with a locking bolt for locking the adjusting screw rod.
8. The pull rod axial force monitoring device according to claim 1, wherein a battery support is arranged outside the storage battery, the battery support is clamped at the inner wall of the sleeve, a charging interface for charging the storage battery is arranged on the side face of the battery support, an avoidance hole is formed in the position, corresponding to the charging interface, of the outer wall of the sleeve, and a countersunk bolt is arranged in the avoidance hole.
9. The device for monitoring axial force of pull rod according to claim 1, wherein an alarm is arranged on the display screen, and the alarm gives an alarm when the detection value of the pressure sensor reaches a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322057279.4U CN220322607U (en) | 2023-08-02 | 2023-08-02 | Pull rod axial force monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322057279.4U CN220322607U (en) | 2023-08-02 | 2023-08-02 | Pull rod axial force monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322607U true CN220322607U (en) | 2024-01-09 |
Family
ID=89413377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322057279.4U Active CN220322607U (en) | 2023-08-02 | 2023-08-02 | Pull rod axial force monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322607U (en) |
-
2023
- 2023-08-02 CN CN202322057279.4U patent/CN220322607U/en active Active
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| GR01 | Patent grant |