CN212807424U - Stay cable internal force measuring device for vibrating wire type surface strain gauge - Google Patents
Stay cable internal force measuring device for vibrating wire type surface strain gauge Download PDFInfo
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- CN212807424U CN212807424U CN202022089098.6U CN202022089098U CN212807424U CN 212807424 U CN212807424 U CN 212807424U CN 202022089098 U CN202022089098 U CN 202022089098U CN 212807424 U CN212807424 U CN 212807424U
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000006978 adaptation Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to a cable internal force measuring device technical field specifically is cable internal force measuring device for vibrating wire formula surface strain meter, comprises a fixed bench, the top right side fixed mounting of fixed bench has drive mechanism, drive mechanism includes first pivot, the inner wall at the fixed bench is installed through the bearing frame transmission in the left side of first pivot, the sliding sleeve has been cup jointed on the surface of first pivot, the top fixedly connected with connecting rod of sliding sleeve, the articulated fixed establishment of installing in top of connecting rod, fixed establishment includes lower snap ring. The utility model discloses a be provided with fixed establishment and drive mechanism, the trapezoidal lug through lower snap ring and last snap ring inner wall carries out the centre gripping to the cable body when using fixedly, avoids the cable body not hard up in dragging, influences the stability to cable body centre gripping, influences the accuracy of vibrating wire formula surface strain gauge body to this internal force measurement of cable then.
Description
Technical Field
The utility model relates to a cable internal force measuring device technical field, concrete vibrating wire formula is cable internal force measuring device for surface strain gauge.
Background
The guy cable is used as a core component in most prestressed steel structures, the internal force of the guy cable changes along with the construction process of the whole structure, the control of the guy cable force in the construction process also influences the working performance of the structure, and meanwhile, the guy cable also loosens and loses in the working process, so that the safety performance of the structure is adversely affected, and the monitoring and control of the internal force of the guy cable in the prestressed steel structure are particularly important.
In the present building engineering construction on the market, the internal force of cable detects to be indispensable link, and in the partial internal force on the market detects now, often fixes it through the staple bolt to the fixed of cable, pulls the in-process that detects and appears sliding easily, leads to the data that detect not accurate enough to lead to the fact the influence to the construction, for this reason we have proposed vibrating string formula surface strain gauge and have solved above-mentioned problem with cable internal force measuring device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vibrating wire formula is cable internal force measuring device for surface strain gauge to in solving the partial internal force detection on the present market that proposes in the above-mentioned background art, often fix it through the staple bolt to the fixed of cable, slide appears easily at the in-process that drags the detection, the data that lead to detecting are not accurate enough, thereby lead to the problem of influence to the construction.
In order to achieve the above object, the utility model provides a following technical scheme:
a stay cable internal force measuring device for a vibrating wire type surface strain gauge comprises a fixed table, wherein a transmission mechanism is fixedly arranged on the right side of the top end of the fixed table, the transmission mechanism comprises a first rotating shaft, the left side of the first rotating shaft is arranged on the inner wall of the fixed table in a transmission manner through a bearing seat, a sliding sleeve is sleeved on the surface of the first rotating shaft, a connecting rod is fixedly connected to the top end of the sliding sleeve, a fixing mechanism is hinged to the top end of the connecting rod and comprises a lower clamping ring, an upper clamping ring is hinged to the top end of the lower clamping ring, a connecting block is fixedly connected to one side, far away from the hinged joint, of the lower clamping ring, a threaded rod is hinged to the inside of the connecting block, a first rotating sleeve is sleeved on the surface of the threaded rod, two groups of the fixing mechanisms are arranged, a vibrating wire type surface strain, and the bottom end of the lower clamping ring is hinged with an adjusting mechanism, the adjusting mechanism comprises a second rotating shaft, and the bottom end of the second rotating shaft is inserted into the surface of the fixed table.
Preferably, the bottom fixedly connected with slider of sliding sleeve, the inner wall of fixed station has seted up the bar spout with the corresponding position department of slider, slider and fixed station are sliding connection.
Preferably, the top end of the upper clamping ring is planar, a convex block is fixed on the inner wall of the upper clamping ring, and the vertical section of the convex block is of a trapezoidal structure.
Preferably, the top right side fixedly connected with connecting axle of first cover soon, and the surface of connecting axle has cup jointed the handle, the arc recess has been seted up in the left side of handle, and the arc recess is provided with four groups, four groups arc vertical distribution are on the surface of handle.
Preferably, the surface of the second rotating shaft is sleeved with a second rotary sleeve, a limiting rod is fixedly connected to the bottom end of the second rotary sleeve, an annular sliding groove is formed in the position, corresponding to the limiting rod, on the surface of the fixed table, and the limiting rod is inserted into the annular sliding groove.
Preferably, an annular groove is formed in the bottom end of the limiting rod, a ball is installed on the inner wall of the annular chute of the fixing table in a transmission mode, and the surface of the ball is matched with the annular groove of the limiting rod.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model is provided with the fixing mechanism and the transmission mechanism, when in use, the cable body is clamped and fixed through the trapezoidal lugs on the inner walls of the lower snap ring and the upper snap ring, so that the cable body is prevented from loosening during pulling, the stability of clamping the cable body is prevented from being influenced, and the accuracy of the vibrating wire surface strain gauge body in measuring the internal force of the cable body is further influenced;
(2) the utility model discloses a be provided with adjustment mechanism, in use revolves the cover through rotating the second, and the second revolves the cover and makes the second pivot move in the rotation, and the second pivot promotes the snap ring motion down in the motion, makes the inclination of cable body change then to measure the internal force numerical value of cable body under different inclination, the internal force that makes the cable body drags numerical value measurement more accurate.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;
FIG. 2 is a schematic sectional view of the middle fixing mechanism of the present invention from the right side;
fig. 3 is an enlarged partial view of a in fig. 2 according to the present invention;
fig. 4 is a schematic structural right-side sectional view of the middle transmission mechanism of the present invention.
In the figure: 1. a fixed table; 2. a transmission mechanism; 21. a first rotating shaft; 22. a sliding sleeve; 23. a slider; 24. a connecting rod; 3. a fixing mechanism; 31. a lower snap ring; 32. a snap ring is arranged; 33. connecting blocks; 34. a threaded rod; 35. a first rotary sleeve; 36. a connecting shaft; 37. a grip; 4. a vibrating wire type surface strain gauge body; 5. a cable body; 6. an adjustment mechanism; 61. a second rotating shaft; 62. a second rotary sleeve; 63. a limiting rod; 64. and a ball.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: the stay cable internal force measuring device for the vibrating wire type surface strain gauge comprises a fixed table 1, a transmission mechanism 2 is fixedly installed on the right side of the top end of the fixed table 1, the transmission mechanism 2 comprises a first rotating shaft 21, the left side of the first rotating shaft 21 is installed on the inner wall of the fixed table 1 through a bearing seat in a transmission mode, a sliding sleeve 22 is sleeved on the surface of the first rotating shaft 21, a connecting rod 24 is fixedly connected to the top end of the sliding sleeve 22, a fixing mechanism 3 is hinged to the top end of the connecting rod 24, the fixing mechanism 3 comprises a lower clamping ring 31, an upper clamping ring 32 is hinged to the top end of the lower clamping ring 31, a connecting block 33 is fixedly connected to one side, away from the hinged point, of the lower clamping ring 31, a threaded rod 34 is hinged to the inside of the connecting block 33, a first rotary sleeve 35 is sleeved on the surface of the threaded rod 34, two groups, the bottom ends of the other group of lower clamping rings 31 are hinged with an adjusting mechanism 6, the adjusting mechanism 6 comprises a second rotating shaft 61, and the bottom end of the second rotating shaft 61 is inserted on the surface of the fixed table 1;
further, the bottom end of the sliding sleeve 22 is fixedly connected with a sliding block 23, a strip-shaped sliding groove is formed in the position, corresponding to the sliding block 23, of the inner wall of the fixed table 1, the sliding block 23 is in sliding connection with the fixed table 1, the sliding block 23 is limited by the strip-shaped sliding groove in the inner wall of the fixed table 1, and the sliding block 23 is prevented from shaking in use to influence the stability of the sliding sleeve 22 in movement;
furthermore, the top end of the upper snap ring 32 is planar, a bump is fixed on the inner wall of the upper snap ring 32, the vertical section of the bump is of a trapezoidal structure, the planar structure at the top end of the upper snap ring 32 is convenient for mounting the vibrating wire surface strain gauge body 4, and meanwhile, the trapezoidal bump on the inner wall of the upper snap ring 32 limits the stay wire body 5, so that the tightness for clamping the stay wire body 5 is ensured;
further, the right side of the top end of the first rotating sleeve 35 is fixedly connected with a connecting shaft 36, the surface of the connecting shaft 36 is sleeved with a handle 37, the left side of the handle 37 is provided with four groups of arc-shaped grooves, the four groups of arcs are vertically distributed on the surface of the handle 37, the arc-shaped grooves on the left side surface of the handle 37 are matched with the four fingers of a worker, and when the worker holds the handle, the tightness of holding of the worker can be guaranteed;
further, a second rotating sleeve 62 is sleeved on the surface of the second rotating shaft 61, a limiting rod 63 is fixedly connected to the bottom end of the second rotating sleeve 62, an annular sliding groove is formed in the position, corresponding to the limiting rod 63, on the surface of the fixed table 1, the limiting rod 63 is inserted into the annular sliding groove, the second rotating sleeve 62 is driven to rotate to control the rising angle of the second rotating shaft 61, and therefore internal force measurement is conducted on the inhaul cable bodies 5 at different angles;
furthermore, an annular groove is formed in the bottom end of the limiting rod 63, a ball 64 is installed on the inner wall of the annular sliding groove of the fixed table 1 in a transmission mode, the surface of the ball 64 is matched with the annular groove of the limiting rod 63, and the limiting rod 63 drives the ball 64 to rotate in the rotation process, so that the smoothness of the limiting rod 63 in the rotation process is improved, and workers can rotate more easily;
the working principle is as follows: when in use, according to the attached drawing 1, a worker places the cable body 5 on the surface of the lower snap ring 31, and simultaneously makes the upper snap ring 32 adhere to the lower snap ring 31 in rotation, at this time, the threaded rod 34 is inserted into the surfaces of the lower snap ring 31 and the upper snap ring 32 in rotation, at this time, the handle 37 is held by hand, the handle 37 drives the connecting shaft 36 to move in rotation, the connecting shaft 36 drives the first rotating sleeve 35 to rotate in movement, the first rotating sleeve 35 moves on the surface of the threaded rod 34 in rotation, the first rotating sleeve 35 abuts against the surface of the upper snap ring 32 in rotation, and then the lower snap ring 31 and the upper snap ring 32 are mutually closed, so as to fix the position of the cable body 5, at this time, the first rotating shaft 21 is rotated, the first rotating shaft 21 drives the sliding sleeve 22 to move on the surface thereof, the sliding sleeve 22 drives the sliding block 23 to move in the strip-shaped sliding groove on the inner wall of the fixed station 1 in movement, thereby the motion of snap ring 31 under the pulling, lower snap ring 31 is dragged the pull rope body 5 in the motion, thereby measure pull rope body 5 through vibrating wire formula surface strain gauge body 4, and simultaneously, overlap 62 with the second soon and rotate, the second is overlapped 62 soon and is driven the gag lever post 63 in rotatory annular spout motion on fixed station 1 surface, gag lever post 63 rotates on ball 64 surface simultaneously, thereby increase the second and overlap 62 pivoted fluency degree soon, second pivot 61 upward movement in the second revolves the rotation of cover 62 soon, second pivot 61 promotes another set of lower snap ring 31 motion in the motion, thereby change the inclination of cable body 5, thereby make vibrating wire formula surface strain gauge body 4 pull internal force measurement to different inclination's cable body 5, make the internal force measurement of cable body 5 more perfect, do above the utility model discloses a whole theory of operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a vibration wire formula is cable internal force measuring device for surface strain gauge, includes fixed station (1), its characterized in that: the top right side fixed mounting of fixed station (1) has drive mechanism (2), drive mechanism (2) includes first pivot (21), the inner wall at fixed station (1) is installed through the bearing frame transmission in the left side of first pivot (21), sliding sleeve (22) has been cup jointed on the surface of first pivot (21), the top fixedly connected with connecting rod (24) of sliding sleeve (22), fixed establishment (3) are installed in the articulated top of connecting rod (24), fixed establishment (3) include lower snap ring (31), the top of lower snap ring (31) articulates there is last snap ring (32), one side fixedly connected with connecting block (33) of pin joint is kept away from to lower snap ring (31), the inside of connecting block (33) articulates there is threaded rod (34), first cover (35) soon has been cup jointed on the surface of threaded rod (34), fixed establishment (3) are provided with two sets ofly, go up the top fixed mounting of snap ring (32) has vibration wire formula surface strain gauge body (4), the inside of lower snap ring (31) is inserted and is equipped with cable body (5), another group the articulated adjustment mechanism (6) of installing in bottom of lower snap ring (31), adjustment mechanism (6) include second pivot (61), the surface of establishing in fixed station (1) is inserted to the bottom of second pivot (61).
2. The device for measuring the internal force of the stay cable for the vibrating wire type surface strain gauge according to claim 1, wherein: the bottom fixedly connected with slider (23) of sliding sleeve (22), the bar spout has been seted up with slider (23) corresponding position department to the inner wall of fixed station (1), slider (23) are sliding connection with fixed station (1).
3. The device for measuring the internal force of the stay cable for the vibrating wire type surface strain gauge according to claim 1, wherein: the top end of the upper clamping ring (32) is planar, a convex block is fixed on the inner wall of the upper clamping ring (32), and the vertical section of the convex block is of a trapezoidal structure.
4. The device for measuring the internal force of the stay cable for the vibrating wire type surface strain gauge according to claim 1, wherein: the top right side fixedly connected with connecting axle (36) of first cover (35) soon, and the surface of connecting axle (36) has cup jointed handle (37), the arc recess has been seted up in the left side of handle (37), and the arc recess is provided with four groups, four groups arc recess vertical distribution are on the surface of handle (37).
5. The device for measuring the internal force of the stay cable for the vibrating wire type surface strain gauge according to claim 1, wherein: the surface of the second rotating shaft (61) is sleeved with a second rotary sleeve (62), a limiting rod (63) is fixedly connected to the bottom end of the second rotary sleeve (62), an annular sliding groove is formed in the position, corresponding to the limiting rod (63), on the surface of the fixed platform (1), and the limiting rod (63) is inserted into the annular sliding groove.
6. The device for measuring the in-cable force of the vibrating wire surface strain gauge according to claim 5, comprising: the bottom of gag lever post (63) has seted up the annular groove, ball (64) are installed in the transmission of the annular spout inner wall of fixed station (1), the surface of ball (64) and the annular groove looks adaptation of gag lever post (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022089098.6U CN212807424U (en) | 2020-09-22 | 2020-09-22 | Stay cable internal force measuring device for vibrating wire type surface strain gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022089098.6U CN212807424U (en) | 2020-09-22 | 2020-09-22 | Stay cable internal force measuring device for vibrating wire type surface strain gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212807424U true CN212807424U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022089098.6U Active CN212807424U (en) | 2020-09-22 | 2020-09-22 | Stay cable internal force measuring device for vibrating wire type surface strain gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212807424U (en) |
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2020
- 2020-09-22 CN CN202022089098.6U patent/CN212807424U/en active Active
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Effective date of registration: 20240205 Address after: 102600 Building 1, No. 19, Ronghua South Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: CHINA RAILWAY 19 BUREAU GROUP Co.,Ltd. Country or region after: China Patentee after: Guangzhou Engineering Co., Ltd. of China Railway 19th Bureau Group Address before: 511400 room 6-707, No.2, Huafei street, Fengze West Road, Nansha District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Engineering Co., Ltd. of China Railway 19th Bureau Group Country or region before: China |