Prestress box girder tension monitoring equipment
By designing a winding device in the tensioning equipment, and using the cooperation of the rotating circular plate and the fixed pipe and the rotating pipe, the effective winding of the oil pipe is achieved, solving the problem of tangled oil pipes after the equipment is used, and improving the operating efficiency.
Patent Information
- Application Number
- CN202420928572.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-30
AI Technical Summary
After the existing tensioning equipment is used, the hydraulic oil pipes are tangled due to improper stacking, which leads to inconvenience in the next use and affects efficiency.
A prestressed box girder tension monitoring device is designed, including a winding device. By cooperating with the rotating circular plate and the fixed pipe with the rotating pipe, the oil pipe can be winded after use to avoid tangles.
It realizes effective winding of oil pipes, solves the problem of oil pipe tangles, facilitates the storage and subsequent use of equipment, and improves operating efficiency.
Smart Images

Figure CN222506024U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of prestressed box girder tensioning monitoring equipment, in particular to a tensioning monitoring equipment. Background Art
[0002] Tensioning equipment is a special equipment for tensioning prestressed anchor rods and establishing prestress. It is mainly composed of jacks and high-pressure oil pumps, and sometimes also includes pressure sensors for measuring tension and dial gauges for measuring anchor head displacement. During tensioning, instruments are required to measure the tension acting on the prestressed tendons of the anchor rod. Usually, a calibrated oil pressure gauge is sufficient, but it is more accurate and reliable to use a dynamometer.
[0003] The inventor discovered during daily use of the tensioning equipment that after use, due to the length of the hydraulic oil pipe, it is directly stacked into a ball when stored, which may cause the hydraulic oil pipe to become tangled together due to being stacked together, making it inconvenient to take and use it next time, thus causing an impact. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a prestressed box girder tensioning monitoring device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a prestressed box girder tensioning monitoring device, including a monitor, an oil pump is arranged inside the monitor, an output end of the oil pump is fixedly connected to an oil pipe, a display screen is fixedly connected to the surface of the monitor, an adjusting button is arranged on the top of the monitor, one end of the oil pipe is fixedly connected to a jack, a fixing device is arranged on the surface of the jack, a fixing block is arranged inside the jack, a winding device is arranged on the side of the monitor, the winding device includes a winding rack fixedly connected to the side of the monitor, a fixed pipe is arranged on the surface of the oil pipe, one end of the fixed pipe is rotatably connected to a rotating pipe, one end of the rotating pipe is rotatably connected to one side of the winding rack, the fixed pipe and the rotating pipe are rotatably connected and communicated with each other, the surface of the winding rack is rotatably connected to a roller, and the surface of the roller is wound with an oil pipe.
[0006] The effect achieved by the above components is: under the action of the winding device, the oil pipe can be wound up after use, thereby achieving the purpose of winding. When the monitor is needed, the jack is placed on the surface of the steel bar on the side of the box girder, and the parameters are adjusted through the computer and adjustment buttons inside the monitor so that the parameters are displayed on the surface of the display screen, thereby starting the oil pump, inserting the fixed block into the interior of the jack, fixing the steel bar inside the jack through the fixed block, starting the oil pump inside the monitor, and allowing the hydraulic oil to pressurize the jack through the oil pipe, thereby monitoring the tension force of the steel bars inside the box girder.
[0007] Preferably, one end of the rotating roller is fixedly connected to a circular plate, a clamping rod is inserted into the surface of the circular plate, a circular hole is opened on the surface of the winding frame, and the clamping rod is inserted into the inside of the circular hole. One end of the rotating roller is fixedly connected to a circular plate, a clamping rod is inserted into the surface of the circular plate, a circular hole is opened on the surface of the winding frame, and the clamping rod is inserted into the inside of the circular hole.
[0008] The effect achieved by the above components is that under the action of the clamping rod, after the oil pipe is rolled up, the roller will not rotate, thereby achieving the effect of restricting the oil pipe.
[0009] Preferably, a clamping ring is fixedly connected to the surface of the clamping rod, an annular groove is formed on the inner wall of the circular hole, and the clamping ring and the annular groove are in interference fit.
[0010] The effect achieved by the above components is that the clamping rod can be fixed inside the circular hole under the interference fit between the clamping ring and the ring groove, thereby achieving a fixing effect.
[0011] Preferably, a first spring is sleeved on the surface of the clamping rod, and two ends of the first spring are respectively fixedly connected to the surface of the circular plate and an end of the clamping rod away from the circular plate.
[0012] The effects achieved by the above components are as follows: under the action of the first spring, the clamping rod is inserted into the inside of the circular hole in a self-locking manner. When winding is required, the circular plate is rotated to make the oil pipe rotate on the surface of the roller. Under the action of the fixed tube and the rotating tube, the oil pipe on the side close to the monitor will not be wound when winding. After winding is completed, under the action of the first spring, the clamping rod is inserted into the inside of the circular hole in a self-locking manner. Under the interference fit between the clamping ring and the ring groove, the clamping rod can be fixed inside the circular hole, thereby achieving the effect of winding.
[0013] Preferably, the fixing device comprises a baffle fixedly connected to the inner wall of the jack, and a fixing block is arranged on the side of the baffle.
[0014] The effect achieved by the above components is that under the action of the baffle, the fixing block can be stuck on one side of the jack, thereby preventing the fixing block from sliding inside the jack.
[0015] Preferably, a pad is fixedly connected to the side of the baffle, and the pad is a rubber pad.
[0016] The effect achieved by the above components is that, under the action of the cushion block, the fixing block will not have a rigid contact phenomenon during installation, thereby avoiding the damage of the baffle.
[0017] Preferably, a groove is formed on the inner wall of the jack, a sealing ring is fixedly connected to the surface of the fixing block, and the sealing ring is interference fit with the groove.
[0018] The effect achieved by the above components is that, under the interference fit between the sealing ring and the groove, the fixing block can be initially fixed on one side of the jack, thereby achieving the fixing effect.
[0019] Preferably, a locking rod is inserted into the surface of the jack, a second spring is sleeved on the surface of the locking rod, and two ends of the second spring are respectively fixedly connected to the surface of the jack and an end of the locking rod away from the jack.
[0020] The effect achieved by the above-mentioned components is: under the action of the second spring, the locking rod is inserted into the interior of the fixed block in a self-locking manner, thereby achieving a fixing effect. When the fixed block needs to be installed, the fixed block is placed inside the jack. Under the action of the baffle and the pad, the fixed block will not have a rigid contact with the baffle, and the limiting effect is also achieved. Under the interference fit between the sealing ring and the groove, the fixed block can be initially fixed on one side of the jack, thereby achieving a fixing effect. Under the action of the second spring, the locking rod is inserted into the interior of the fixed block in a self-locking manner, thereby achieving a fixing effect.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, a winding device is provided. When winding is required, the circular plate is rotated to make the oil pipe rotate on the surface of the roller. Under the action of the fixed tube and the rotating tube, the oil pipe on the side close to the monitor will not be wound when the oil pipe is wound. After the winding is completed, under the action of the first spring, the clamping rod is inserted into the inside of the circular hole in a self-locking manner. Under the interference fit of the clamping ring and the ring groove, the clamping rod can be fixed in the inside of the circular hole, thereby achieving the effect of winding, thereby solving the problem of inconvenient winding of the oil pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A three-dimensional structural schematic diagram of a prestressed box girder tensioning monitoring device is proposed for the utility model;
[0024] Figure 2 A schematic diagram of a winding device of a prestressed box girder tensioning monitoring device is proposed for the utility model;
[0025] Figure 3 A partial schematic diagram of a winding device of a prestressed box girder tensioning monitoring device proposed in the utility model;
[0026] Figure 4 The utility model provides a schematic diagram of a fixing device for a prestressed box girder tensioning monitoring device.
[0027] Legend: 1. Monitor; 2. Winding device; 21. Winding frame; 22. Roller; 23. Round hole; 24. Round plate; 25. Clamping rod; 26. First spring; 27. Rotating tube; 28. Fixed tube; 3. Fixing device; 31. Baffle; 32. Pad; 33. Groove; 34. Sealing ring; 35. Clamping rod; 36. Second spring; 4. Jack; 5. Oil pipe; 6. Fixed block. DETAILED DESCRIPTION
[0028] Embodiment 1, as Figure 1-4 As shown, a prestressed box girder tensioning monitoring device includes a monitor 1, an oil pump is arranged inside the monitor 1, an oil pipe 5 is fixedly connected to the output end of the oil pump, a display screen is fixedly connected to the surface of the monitor 1, an adjusting button is arranged on the upper top of the monitor 1, one end of the oil pipe 5 is fixedly connected to a jack 4, a fixing device 3 is arranged on the surface of the jack 4, a fixing block 6 is arranged inside the jack 4, and a winding device 2 is arranged on the side of the monitor 1. When the monitor 1 needs to be used, the jack 4 is sleeved on the surface of the steel bar on the side of the box girder, and the parameters are adjusted through the computer and the adjusting button inside the monitor 1, so that the parameters are displayed on the surface of the display screen, thereby starting the oil pump, inserting the fixing block 6 into the inside of the jack 4, fixing the steel bar inside the jack 4 through the fixing block 6, starting the oil pump inside the monitor 1, so that the hydraulic oil pressurizes the jack 4 through the oil pipe 5, and then monitoring the tensioning force of the steel bar inside the box girder.
[0029] Reference Figure 2-3The winding device 2 includes a winding frame 21 fixedly connected to the side of the monitor 1, a fixed pipe 28 is arranged on the surface of the oil pipe 5, one end of the fixed pipe 28 is rotatably connected to a rotating pipe 27, one end of the rotating pipe 27 is rotatably connected to one side of the winding frame 21, the fixed pipe 28 and the rotating pipe 27 are rotatably connected and communicated with each other, a roller 22 is rotatably connected to the surface of the winding frame 21, and the surface of the roller 22 is wound with the oil pipe 5. Under the action of the winding device 2, the oil pipe 5 can be wound after use, thereby achieving the winding effect. When the monitor 1 needs to be used, the jack 4 is set on the surface of the steel bar on the side of the box beam, and the jack 4 is connected to the steel bar inside the monitor 1. The computer and the adjustment button are used to adjust the parameters so that the parameters are displayed on the surface of the display screen, thereby starting the oil pump, inserting the fixing block 6 into the inside of the jack 4, fixing the steel bar inside the jack 4 through the fixing block 6, starting the oil pump inside the monitor 1, so that the hydraulic oil pressurizes the jack 4 through the oil pipe 5, and then monitoring the tension of the steel bars inside the box beam. One end of the roller 22 is fixedly connected to a circular plate 24, and a clamping rod 25 is inserted on the surface of the circular plate 24. A circular hole 23 is opened on the surface of the winding frame 21, and the clamping rod 25 is inserted into the circular hole 23. One end of the roller 22 is fixedly connected to the circular plate 24, and a clamping rod 25 is inserted on the surface of the circular plate 24. 5. A circular hole 23 is provided on the surface of the winding frame 21, and a clamping rod 25 is inserted into the inside of the circular hole 23. Under the action of the clamping rod 25, after the oil pipe 5 is wound up, the roller 22 will not rotate, thereby achieving the effect of limiting the oil pipe 5. A clamping ring is fixedly connected to the surface of the clamping rod 25, and a ring groove is provided on the inner wall of the circular hole 23. The clamping ring and the ring groove are interference fit. Under the interference fit between the clamping ring and the ring groove, the clamping rod 25 can be fixed inside the circular hole 23, thereby achieving the effect of fixing. A first spring 26 is sleeved on the surface of the clamping rod 25, and the two ends of the first spring 26 are respectively connected to the surface of the circular plate 24 and the end of the clamping rod 25 away from the circular plate 24 The ends are fixedly connected, and under the action of the first spring 26, the clamping rod 25 is inserted into the inside of the circular hole 23 in a self-locking manner. When it is necessary to reel in, the circular plate 24 is rotated to make the oil pipe 5 rotate on the surface of the roller 22. Under the action of the fixed tube 28 and the rotating tube 27, the oil pipe 5 on the side close to the monitor 1 will not be reeled in when the oil pipe 5 is reeled in. When the reeling is completed, under the action of the first spring 26, the clamping rod 25 is inserted into the inside of the circular hole 23 in a self-locking manner. Under the interference fit between the clamping ring and the ring groove, the clamping rod 25 can be fixed in the inside of the circular hole 23, thereby achieving the reeling effect.
[0030] Reference Figure 4The fixing device 3 includes a baffle 31 fixedly connected to the inner wall of the jack 4, and a fixing block 6 is arranged on the side of the baffle 31. Under the action of the baffle 31, the fixing block 6 can be stuck on one side of the jack 4, thereby preventing the fixing block 6 from sliding inside the jack 4. A cushion block 32 is fixedly connected to the side of the baffle 31. The cushion block 32 is a rubber cushion. Under the action of the cushion block 32, the fixing block 6 will not have a rigid contact during installation, thereby preventing the baffle 31 from being damaged. A groove 33 is provided on the inner wall of the jack 4. A sealing ring 34 is fixedly connected to the surface of the fixing block 6. The sealing ring 34 and the groove 33 are interference fit. Under the interference fit between the sealing ring 34 and the groove 33, the fixing block 6 can be initially fixed on one side of the jack 4, thereby achieving the fixing effect. A positioning rod 35 is inserted on the surface of the jack 4. A second spring 36 is sleeved on the surface of the locking rod 35, and the two ends of the second spring 36 are respectively fixedly connected to the surface of the jack 4 and the end of the locking rod 35 away from the jack 4. Under the action of the second spring 36, the locking rod 35 is inserted into the interior of the fixing block 6 in a self-locking manner, thereby achieving a fixing effect. When it is necessary to install the fixing block 6, the fixing block 6 is placed into the interior of the jack 4. Under the action of the baffle 31 and the cushion block 32, the fixing block 6 will not have a rigid contact with the baffle 31, and the limiting effect is also achieved. Under the interference fit between the sealing ring 34 and the groove 33, the fixing block 6 can be initially fixed on one side of the jack 4, thereby achieving a fixing effect. Under the action of the second spring 36, the locking rod 35 is inserted into the interior of the fixing block 6 in a self-locking manner, thereby achieving a fixing effect.
[0031] Working principle: when it is necessary to use the prestressed box girder tensioning monitoring equipment and the monitor 1, the jack 4 is mounted on the steel bar surface on the side of the box girder, and the parameters are adjusted through the computer and the adjustment button inside the monitor 1, so that the parameters are displayed on the surface of the display screen, thereby starting the oil pump, inserting the fixing block 6 into the inside of the jack 4, fixing the steel bar inside the jack 4 through the fixing block 6, starting the oil pump inside the monitor 1, and pressurizing the hydraulic oil through the oil pipe 5 to the jack 4, thereby monitoring the tensioning force of the steel bar inside the box girder. When it is necessary to reel in, the circular plate 24 is rotated to rotate the oil pipe 5 on the surface of the roller 22. Under the action of the fixed pipe 28 and the rotating pipe 27, the oil pipe 5 will not be reeled in, and the oil pipe 5 close to the side of the monitor 1 will not be reeled in. The phenomenon of winding up, when the winding is completed, under the action of the first spring 26, the clamping rod 25 is inserted into the inside of the circular hole 23 in a self-locking manner, and under the interference fit between the clamping ring and the ring groove, the clamping rod 25 can be fixed in the inside of the circular hole 23, thereby achieving the effect of winding up, when it is necessary to install the fixing block 6, the fixing block 6 is placed in the inside of the jack 4, and under the action of the baffle 31 and the cushion block 32, the fixing block 6 will not have a rigid contact with the baffle 31, and at the same time, the limiting effect is also achieved, and under the interference fit between the sealing ring 34 and the groove 33, the fixing block 6 can be initially fixed on one side of the jack 4, thereby achieving the fixing effect, and under the action of the second spring 36, the clamping rod 35 is inserted into the inside of the fixing block 6 in a self-locking manner, thereby achieving the fixing effect.
Claims
1. A prestressed box girder tension monitoring device, comprising a monitoring instrument (1), characterized in that: An oil pump is arranged inside the monitor (1), an output end of the oil pump is fixedly connected to an oil pipe (5), a display screen is fixedly connected to the surface of the monitor (1), an adjustment button is arranged on the top of the monitor (1), one end of the oil pipe (5) is fixedly connected to a jack (4), a fixing device (3) is arranged on the surface of the jack (4), a fixing block (6) is arranged inside the jack (4), a winding device (2) is arranged on the side of the monitor (1), and the winding device (2 ) comprises a winding frame (21) fixedly connected to the side of the monitor (1), a fixed pipe (28) is arranged on the surface of the oil pipe (5), one end of the fixed pipe (28) is rotatably connected to a rotating pipe (27), one end of the rotating pipe (27) is rotatably connected to one side of the winding frame (21), the fixed pipe (28) and the rotating pipe (27) are rotatably connected to each other and communicate with each other, the surface of the winding frame (21) is rotatably connected to a roller (22), and the surface of the roller (22) is wound with the oil pipe (5).
2. The prestressed box girder tension monitoring device according to claim 1 is characterized in that: One end of the rotating roller (22) is fixedly connected to a circular plate (24), a clamping rod (25) is inserted into the surface of the circular plate (24), a circular hole (23) is opened on the surface of the winding frame (21), and the clamping rod (25) is inserted into the inside of the circular hole (23).
3. The prestressed box girder tensioning monitoring device according to claim 2 is characterized in that: A clamping ring is fixedly connected to the surface of the clamping rod (25), and an annular groove is formed on the inner wall of the circular hole (23), and the clamping ring and the annular groove are in interference fit.
4. The prestressed box girder tensioning monitoring device according to claim 3 is characterized in that: A first spring (26) is sleeved on the surface of the clamping rod (25), and two ends of the first spring (26) are respectively fixedly connected to the surface of the circular plate (24) and one end of the clamping rod (25) away from the circular plate (24).
5. The prestressed box girder tensioning monitoring device according to claim 4 is characterized in that: The fixing device (3) comprises a baffle (31) fixedly connected to the inner wall of the jack (4), and a fixing block (6) is arranged on the side of the baffle (31).
6. The prestressed box girder tensioning monitoring device according to claim 5 is characterized in that: A cushion block (32) is fixedly connected to the side surface of the baffle (31), and the cushion block (32) is a rubber cushion.
7. The prestressed box girder tensioning monitoring device according to claim 6 is characterized in that: The inner wall of the jack (4) is provided with a groove (33), and the surface of the fixed block (6) is fixedly connected with a sealing ring (34), and the sealing ring (34) is interference-fitted with the groove (33).
8. The prestressed box girder tensioning monitoring device according to claim 7 is characterized in that: A locking rod (35) is inserted into the surface of the jack (4), a second spring (36) is sleeved on the surface of the locking rod (35), and two ends of the second spring (36) are respectively fixedly connected to the surface of the jack (4) and one end of the locking rod (35) away from the jack (4).