CN-224215978-U - Fixing tool for measuring length and width of railway precast box girder

Abstract

The utility model discloses a measure fixed frock of railway precast box girder length and width belongs to railway box girder technical field, including tubular dynamometer, tubular dynamometer's one end is provided with solid fixed ring, and gu one side of fixed ring is provided with convenient coupling assembling, and convenient coupling assembling's internal connection has the steel tape, and the one end of steel tape is provided with location hold-down assembly; the utility model discloses a set up the location and compress tightly the subassembly, can conveniently install fixedly steel tape box body, can conveniently carry it simultaneously, practice thrift human resources, improve the convenience that equipment used, improve measurement of efficiency, when using steel tape to measure, can compress tightly steel tape fast steadily, guarantee the reading accurate, improve the quality of use of equipment, through setting up convenient coupling assembling, can conveniently install steel tape in inserting the locating plate, guarantee convenience and the fastness that it is connected with tubular dynamometer.

Inventors

• ZHOU JUN
• GAO YINTAO
• TIAN HAOYU
• SUN LIXIN
• YANG ZHIXING
• LIU PEIHAO
• NIU TAO
• ZHANG DONGMING
• Hou Yinpeng

Assignees

• 中铁七局集团第三工程有限公司
• 中铁七局集团有限公司

Dates

Publication Date

20260508

Application Date

20250416

Claims (6)

1. 1. The fixing tool for measuring the length and the width of the railway precast box girder comprises a tubular dynamometer (1) and is characterized in that one end of the tubular dynamometer (1) is provided with a fixing ring (5), one side of the fixing ring (5) is provided with a convenient connecting assembly (2), the inside of the convenient connecting assembly (2) is connected with a steel tape (3), and one end of the steel tape (3) is provided with a positioning and pressing assembly (4).
2. 2. The fixture for measuring the length and width of the railway prefabricated box girder according to claim 1, wherein the positioning and pressing assembly (4) comprises a threaded rod (42), a U-shaped frame (43), a side mounting frame (44), a fixing device (45), a pressing plate (46), a rubber cushion block (47) and an iron cushion block (48), wherein the fixing device (45) is arranged at one end of the steel tape (3), the side mounting frame (44) is arranged in the fixing device (45), the U-shaped frame (43) is arranged at one end of the side mounting frame (44), the threaded rod (42) is connected to the upper end of the interior of the U-shaped frame (43), the iron cushion block (48) is arranged at the bottom end of the threaded rod (42), the rubber cushion block (47) is arranged at the bottom end of the iron cushion block (48), and the pressing plate (46) is arranged at the bottom end of the rubber cushion block (47).
3. 3. The fixture for measuring the length and width of the railway precast box girder according to claim 2, wherein the illuminating lamp (41) is arranged on one side of the upper end of the U-shaped frame (43), and a storage battery is arranged in the upper end of the U-shaped frame (43) corresponding to the illuminating lamp (41).
4. 4. The fixture for measuring the length and width of the railway precast box girder according to claim 2, wherein the side mounting frame (44) is fixed between the U-shaped frame (43) and the fixing device (45) through bolts, an arc-shaped handle is arranged on one side, close to the U-shaped frame (43), of the side mounting frame (44), and the threaded rod (42) is connected with the iron cushion block (48) through a bearing.
5. 5. The fixture for measuring the length and width of the railway prefabricated box girder according to claim 2, wherein the fixing device (45) comprises a guide rod (451), a bidirectional screw rod (452), a fixed hand wheel (453) and a movable clamping plate (454), wherein the guide rod (451) is arranged inside one end of the side mounting frame (44), the bidirectional screw rod (452) is arranged on one side of the guide rod (451), the movable clamping plate (454) is arranged between the guide rod (451) and the bidirectional screw rod (452), and the fixed hand wheel (453) is fixed on the middle surface of the bidirectional screw rod (452).
6. 6. The fixture for measuring the length and width of the railway precast box girder according to claim 1, wherein the convenient connecting assembly (2) comprises a fixing sleeve (21), a compressing tooth block (22), a guide groove (23), a limiting spring (24) and a positioning plate (25), wherein the fixing sleeve (21) is sleeved on the surface of the fixing ring (5), the positioning plate (25) is arranged on one side of the fixing sleeve (21), the limiting spring (24) is fixed in the positioning plate (25), the compressing tooth block (22) is arranged at one end of the limiting spring (24), and the guide groove (23) is formed in the positioning plate (25) corresponding to the compressing tooth block (22).

Description

Fixing tool for measuring length and width of railway precast box girder Technical Field The utility model belongs to the technical field of railway box girders, and particularly relates to a fixing tool for measuring the length and width of a railway precast box girder. Background The box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-situ box girder. The box girder combined bridge girder erection machine prefabricated in the independent place can be erected after the lower engineering is completed, the engineering progress can be accelerated, the construction period can be saved, and the cast-in-situ box girder is mostly used for large continuous bridges. The materials are commonly divided into two types, namely a prestressed reinforced concrete box girder and a steel box girder. The prestressed reinforced concrete box girder is constructed on site, and has longitudinal prestress, transverse prestress and all steel structure and some reinforced concrete paving layer. The existing railway prefabricated box girder only adopts a steel tape to measure the length and the width of the steel tape in the laying process, the condition of inaccurate reading easily occurs, the reading record is carried out by adjusting the service length of the steel tape for many times, and the steel tape is difficult to position when in actual use, so that the measuring convenience is influenced, and the manpower resource is wasted. Disclosure of utility model To solve the problems set forth in the background art. The utility model provides a fixing tool for measuring the length and width of a railway precast box girder, which has the characteristics of convenience in measurement and accuracy in data. The fixing tool for measuring the length and the width of the railway precast box girder comprises a tubular dynamometer, wherein a fixing ring is arranged at one end of the tubular dynamometer, a convenient connecting component is arranged at one side of the fixing ring, a steel tape is connected to the inside of the convenient connecting component, and a positioning and pressing component is arranged at one end of the steel tape. Preferably, the location hold-down assembly includes threaded rod, U type frame, side mounting bracket, fixing device, pressure strip, rubber cushion and iron cushion, and wherein, the one end of steel tape is provided with fixing device, and fixing device's inside is provided with the side mounting bracket, and the one end of side mounting bracket is provided with U type frame, and the inside upper end of U type frame is connected with the threaded rod, and the bottom of threaded rod is provided with iron cushion, and iron cushion's bottom is provided with rubber cushion, and rubber cushion's bottom is provided with the pressure strip. Preferably, a lighting lamp is arranged on one side of the upper end of the U-shaped frame, and a storage battery is arranged in the upper end of the U-shaped frame corresponding to the lighting lamp. Preferably, the side mounting frame is fixed between the U-shaped frame and the fixing device through bolts, one side of the side mounting frame, which is close to the U-shaped frame, is provided with an arc-shaped handle, and the threaded rod is connected with the iron cushion block through a bearing. Preferably, the fixing device comprises a guide rod, a bidirectional screw rod, a fixed hand wheel and a movable clamping plate, wherein the guide rod is arranged inside one end of the side mounting frame, the bidirectional screw rod is arranged on one side of the guide rod, the movable clamping plate is arranged between the guide rod and the bidirectional screw rod, and the fixed hand wheel is fixed on the middle surface of the bidirectional screw rod. Preferably, the convenient coupling assembling includes fixed cover, compress tightly tooth piece, guide way, spacing spring and locating plate, and wherein, fixed cover has been cup jointed on fixed ring's surface, and one side of fixed cover is provided with the locating plate, and the inside of locating plate is fixed with spacing spring, and spacing spring's one end is provided with compresses tightly the tooth piece, and the guide way has been seted up to the inside corresponding compressing tightly tooth piece of locating plate. Compared with the prior art, the utility model has the beneficial effects that: 1. The steel tape box body can be conveniently installed and fixed through the positioning and pressing assembly, meanwhile, the steel tape box body can be conveniently carried, human resources are saved, the convenience of equipment use is improved, the measuring efficiency is improved, the steel tape can be rapidly and stably pressed when the steel tape is used for measuring, the accuracy of reading is guaranteed, and the use quality of the equipment is improved. 2. According to the utility model, the steel tape can be conveniently inserted into the locating plate f