CN221280114U - Semi-automatic measuring device for length of high-speed railway prestressed bridge - Google Patents
Semi-automatic measuring device for length of high-speed railway prestressed bridge Download PDFInfo
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- CN221280114U CN221280114U CN202323074546.5U CN202323074546U CN221280114U CN 221280114 U CN221280114 U CN 221280114U CN 202323074546 U CN202323074546 U CN 202323074546U CN 221280114 U CN221280114 U CN 221280114U
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- tape
- sliding sleeve
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- speed railway
- length
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- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a semi-automatic measuring device for the length of a high-speed railway prestressed bridge, and belongs to the technical field of prefabrication of high-speed railway box girders. The semi-automatic measuring device for the length of the high-speed railway prestressed bridge comprises a measuring active part and a measuring passive part, wherein the measuring active part comprises: a tape reel for winding and releasing a tape; the positioning auxiliary device is arranged on the tape reel and is used for positioning the tape reel; the passive measurement section includes: the hand limiting plate comprises a transverse plate and a longitudinal plate vertically arranged on the transverse plate; a pressure sensor mounted on the longitudinal plate; and the caliper bolt is arranged on the transverse plate and is used for fixing the tape measure. The utility model has the advantages of improving the detection precision and the detection efficiency of the box girder, saving the labor cost and improving the manual safety coefficient.
Description
Technical Field
The utility model relates to the technical field of prefabrication of high-speed railway box girders, in particular to a semi-automatic measuring device for the length of a prestressed bridge of a high-speed railway.
Background
At present, the detection mode of the external dimensions of the finished box girder by the precast beam field is a manual measurement mode. Before measurement, an auxiliary line is drawn by a technician, a 50m steel tape is calibrated during measurement, two ends of the auxiliary line are fixed by caliper clamps respectively, zero alignment of the zero end is guaranteed, a certain reserved length is reserved at the other end of the auxiliary line under the condition that the measurement size is met, the auxiliary line is read and counted when the auxiliary line is pulled to 150N by a tension meter, and 4 technicians are required during measurement. The measuring mode consumes long time, human resources are greatly invested, the detection data obtained through measurement are greatly influenced by manual operation, the fluctuation of the measured longitude is large, and the real situation of the detected box girder is not easy to accurately grasp. For detecting the appearance length of the box girder, a convenient, accurate and efficient measuring mode is always needed.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the semi-automatic measuring device for the length of the prestressed bridge of the high-speed railway, which can improve the detection precision and the detection efficiency of the box girder, save the labor cost and improve the manual safety coefficient.
The technical scheme of the utility model is realized as follows:
The utility model provides a semi-automatic measuring device of high-speed railway prestressing force bridge length, includes measurement active portion and measures passive portion, measurement active portion includes:
a tape reel for winding and releasing a tape;
the positioning auxiliary device is arranged on the tape reel and is used for positioning the tape reel;
The passive measurement section includes:
The hand limiting plate comprises a transverse plate and a longitudinal plate vertically arranged on the transverse plate;
a pressure sensor mounted on the longitudinal plate;
and the caliper bolt is arranged on the transverse plate and is used for fixing the tape measure.
Further, the tape measure wheel disc comprises two circular plates which are oppositely arranged and a handle connected to the outer side of one circular plate, the adjacent two circular plates are arranged at intervals, and the tape measure is wound between the two circular plates.
Further, the auxiliary positioning device comprises a longitudinal beam, an upper cross beam, a lower cross beam, an upper sliding sleeve, a lower sliding sleeve, a limit bolt and a support bolt, wherein the upper sliding sleeve and the lower sliding sleeve are respectively and slidably sleeved at two ends of the longitudinal beam, the limit bolt is in threaded connection with the upper sliding sleeve and the lower sliding sleeve, the inner side ends of the limit bolt are abutted on the longitudinal beam, the upper cross beam and the lower cross beam are respectively and vertically fixed on the side surfaces of the upper sliding sleeve and the lower sliding sleeve, which are on the same side as the tape measure wheel disc, and the support bolt is in threaded installation on the upper cross beam.
Further, a bracket is fixedly arranged on one side of the upper beam, and the tape measure wheel disc is rotatably arranged on the bracket.
Further, an auxiliary pulley is rotatably arranged on the outer side of the upper sliding sleeve, and the auxiliary pulley and the tape wheel disc are positioned on the same plane, and the auxiliary pulley is used for guiding the tape.
Further, a through groove for the callipers to pass through is formed in the top of the longitudinal plate, a groove for the callipers to pass through is formed in the lower surface of the transverse plate, a lifting plate in a shape of a mouth is sleeved on the outer thread of the calliper bolt, and the lifting plate is arranged on the transverse plate in a sliding penetrating mode.
Further, the inner wall of the lifting plate is provided with a lug which can be inserted into the groove.
The utility model has the following beneficial effects:
(1) The defect that the steel tape is required to be tightly wound by the tension meter at the force measuring end manually in the whole bridge deck length measuring process is avoided by manually using the caliper to limit by measuring the active part and the passive part, the measuring efficiency is improved, and the investment of technicians is reduced;
(2) An auxiliary pulley is arranged in the measuring active part, so that smooth and untwisted steel tape in the measuring process is ensured, and accurate and reliable measuring results are ensured;
(3) The design of the force measuring passive end adopts a force measuring sensor to replace a tension meter, so that reading errors caused by manually stretching a steel tape are avoided, and meanwhile, investment of technicians is reduced.
Drawings
FIG. 1 is an overall schematic of the present utility model;
FIG. 2 is another view of the utility model from FIG. 1;
fig. 3 is a partial schematic view of fig. 2 of the present utility model.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the device for semi-automatically measuring the length of the prestressed bridge of the high-speed railway provided by the utility model comprises a measuring active part and a measuring passive part, wherein the measuring active part comprises a tape measure wheel disc 1 and a positioning auxiliary device 2, and the measuring passive part comprises a hand limiting plate 3, a pressure sensor 4 and a caliper bolt 5.
The tape reel 1 is used for winding and releasing a tape, the tape reel 1 is arranged on the positioning auxiliary device 2, and the positioning auxiliary device 2 is used for positioning the tape reel 1. During actual measurement, the tape reel 1 is fixed to one side of the box girder by the positioning aid 2.
The hand limiting plate 3 comprises a transverse plate 3-1 and a longitudinal plate 3-2 vertically arranged on the transverse plate 3-1, wherein the transverse plate 3-1 is used for pressing on the top surface of a box girder during measurement, the pressure sensor 4 is arranged on the longitudinal plate 3-2, and the caliper bolt 5 is arranged on the transverse plate 3-1 and used for fixing the zero point position of a tape measure. At this time, a transverse pulling force is applied to the holding limiting plate 3 when the tape is wound by the tape reel 1 through a controller and a display externally connected with the sensor, so that the pressure sensor 4 is tightly attached to the box girder and stressed. At this time, the pressure sensor 4 transmits a signal to the controller, and the controller displays the pressure on the display. The operator can judge the pressure by directly reading the data on the display. The operation is greatly simplified, and meanwhile, the pressure application fluctuation is small, the stability is strong, and the measurement accuracy is improved.
The tape measure wheel disc 1 comprises two circular plates 1-1 which are oppositely arranged and a handle 1-2 connected to the outer side of one circular plate 1-1, wherein the adjacent two circular plates 1-1 are arranged at intervals, and the tape measure is wound between the two circular plates 1-1.
The positioning auxiliary device 2 comprises a longitudinal beam 2-1, an upper cross beam 2-2, a lower cross beam 2-3, an upper sliding sleeve 2-4, a lower sliding sleeve 2-5, a limiting bolt 2-6 and a supporting bolt 2-7, wherein the upper sliding sleeve 2-4 and the lower sliding sleeve 2-5 are respectively and slidably sleeved at two ends of the longitudinal beam 2-1, the limiting bolt 2-6 is in threaded connection with the upper sliding sleeve 2-4 and the lower sliding sleeve 2-5, the inner side ends of the limiting bolt 2-6 are abutted to the longitudinal beam 2-1, the upper cross beam 2-2 and the lower cross beam 2-3 are respectively and vertically fixed on the side surfaces of the upper sliding sleeve 2-4 and the lower sliding sleeve 2-5, which are on the same side with the tape measure wheel disc 1, and the supporting bolt 2-7 is in threaded installation on the upper cross beam 2-2. One side of the upper beam 2-2 is fixedly provided with a bracket 6, and the tape measure wheel disc 1 is rotatably arranged on the bracket 6. The bracket 6 is provided with an L-shaped limit rod 8 for placing the tape measure to be separated from the tape measure wheel disc 1.
At this time, the distance between the upper sliding sleeve 2-4 and the lower sliding sleeve 2-5 can be adjusted by controlling the heights of the upper sliding sleeve 2-4 and the lower sliding sleeve 2-5 on the longitudinal beam 2-1, so that the effect of adjusting the distance between the upper cross beam 2-2 and the lower cross beam 2-3 is achieved, and the upper cross beam 2-2 and the lower cross beam 2-3 can be clamped and fixed on the box girder more conveniently. In addition, the upper cross beam 2-2 and the lower cross beam 2-3 can be further reinforced and clamped and fixed on the box girder by adjusting the supporting bolts 2-7, so that the stability of the positioning auxiliary device 2 is improved.
An auxiliary pulley 7 is rotatably arranged on the outer side of the upper sliding sleeve 2-4, the auxiliary pulley 7 and the tape wheel disc 1 are positioned on the same plane, and the auxiliary pulley 7 is used for guiding a tape. At this time, the auxiliary pulley 7 prevents the tape from being distorted when it is wound and released. Meanwhile, the tape measure can be clung to the top of the box girder by utilizing the height of the auxiliary pulley 7, so that the stability of the tensile force is improved.
Further, a through groove 3-3 for the passage of the callipers is formed in the top of the longitudinal plate 3-2, a groove 3-4 for the passage of the callipers is formed in the lower surface of the transverse plate 3-1, a lifting plate 3-5 in a shape of a mouth is sleeved on the outer thread of the calliper bolt 5, and the lifting plate 3-5 is slidably arranged on the transverse plate 3-1 in a penetrating mode. At this time, the grooves 3-4 are utilized so that when the tape is positioned in the grooves 3-4 and is closely attached to the inner wall surface of the grooves 3-4, the tape is in a straight state, and the grooves 3-4 serve as spaces for accommodating the tape, and the transverse plate 3-1 does not press on the tape when pressed on the top of the box girder.
The inner wall of the lifting plate 3-5 is provided with a projection 3-6 which can be inserted into the recess 3-4. At this time, the lifting plate 3-5 drives the convex block 3-6 to move towards one side of the groove 3-4 by rotating the caliper bolt 5, and the convex block 3-6 compresses the tape measure in the groove 3-4, so that the zero fixing effect of the tape measure is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a semi-automatic measuring device of high-speed railway prestressing force bridge length, its characterized in that includes measurement initiative part and measures passive part, measurement initiative part includes:
a tape wheel (1) for winding and releasing a tape;
The positioning auxiliary device (2), the tape measure wheel disc (1) is arranged on the positioning auxiliary device (2), and the positioning auxiliary device (2) is used for positioning the tape measure wheel disc (1);
The passive measurement section includes:
The hand-held limiting plate (3) comprises a transverse plate (3-1) and a longitudinal plate (3-2) vertically arranged on the transverse plate (3-1);
A pressure sensor (4) mounted on the longitudinal plate (3-2);
And a caliper bolt (5) mounted on the transverse plate (3-1) for fixing the tape measure.
2. The device for semi-automatically measuring the length of the prestressed bridge of the high-speed railway according to claim 1, wherein the tape reel (1) comprises two opposite circular plates (1-1) and a handle (1-2) connected to the outer side of one circular plate (1-1), the adjacent two circular plates (1-1) are arranged at intervals, and the tape is wound between the two circular plates (1-1).
3. The device for semi-automatic measurement of the length of the prestressed bridge of the high-speed railway according to claim 1, wherein the positioning auxiliary device (2) comprises a longitudinal beam (2-1), an upper cross beam (2-2), a lower cross beam (2-3), an upper sliding sleeve (2-4), a lower sliding sleeve (2-5), a limit bolt (2-6) and a support bolt (2-7), wherein the upper sliding sleeve (2-4) and the lower sliding sleeve (2-5) are respectively sleeved at two ends of the longitudinal beam (2-1) in a sliding manner, the limit bolt (2-6) is in threaded connection with the upper sliding sleeve (2-4) and the lower sliding sleeve (2-5), the inner ends of the limit bolt (2-6) are abutted on the longitudinal beam (2-1), the upper cross beam (2-2) and the lower cross beam (2-3) are respectively and vertically fixed on the side surfaces of the upper sliding sleeve (2-4) and the lower sliding sleeve (2-5) on the same side as the wheel disc (1), and the support bolt (2-7) is in threaded connection with the upper cross beam (2-2).
4. A device for semi-automatically measuring the length of a prestressed bridge of a high-speed railway according to claim 3, wherein a bracket (6) is fixedly arranged on one side of the upper beam (2-2), and the tape reel (1) is rotatably mounted on the bracket (6).
5. A device for semi-automatic measurement of the length of a prestressed bridge of a high-speed railway according to claim 3, characterized in that an auxiliary pulley (7) is rotatably mounted on the outer side of the upper sliding sleeve (2-4), and the auxiliary pulley (7) and the tape wheel disc (1) are positioned on the same plane, and the auxiliary pulley (7) is used for guiding a tape.
6. The device for semi-automatically measuring the length of the prestressed bridge of the high-speed railway according to claim 1, wherein a through groove (3-3) for a caliper to pass through is formed in the top of the longitudinal plate (3-2), a groove (3-4) for the caliper to pass through is formed in the lower surface of the transverse plate (3-1), a lifting plate (3-5) in a shape of a mouth is sleeved on the outer thread of the caliper bolt (5), and the lifting plate (3-5) is arranged on the transverse plate (3-1) in a sliding mode.
7. The device for semi-automatic measurement of the length of a prestressed bridge of a high-speed railway according to claim 6, wherein the inner wall of the lifting plate (3-5) is provided with a protruding block (3-6) which can be inserted into the groove (3-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323074546.5U CN221280114U (en) | 2023-11-14 | 2023-11-14 | Semi-automatic measuring device for length of high-speed railway prestressed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323074546.5U CN221280114U (en) | 2023-11-14 | 2023-11-14 | Semi-automatic measuring device for length of high-speed railway prestressed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221280114U true CN221280114U (en) | 2024-07-05 |
Family
ID=91699714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323074546.5U Active CN221280114U (en) | 2023-11-14 | 2023-11-14 | Semi-automatic measuring device for length of high-speed railway prestressed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221280114U (en) |
-
2023
- 2023-11-14 CN CN202323074546.5U patent/CN221280114U/en active Active
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