CN111217210A - Wrapping belt tensioning device for protecting main cable of suspension bridge - Google Patents
Wrapping belt tensioning device for protecting main cable of suspension bridge Download PDFInfo
- Publication number
- CN111217210A CN111217210A CN202010155452.2A CN202010155452A CN111217210A CN 111217210 A CN111217210 A CN 111217210A CN 202010155452 A CN202010155452 A CN 202010155452A CN 111217210 A CN111217210 A CN 111217210A
- Authority
- CN
- China
- Prior art keywords
- positioning
- location
- section
- suspension bridge
- positioning shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H81/00—Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for
- B65H81/06—Covering or wrapping elongated cores
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The utility model discloses a twine band overspeed device tensioner for protection of suspension bridge main push-towing rope. It includes location axle and suit at the epaxial location section of thick bamboo of location, the annular has been seted up to a tip of a location section of thick bamboo, the location section of thick bamboo suit makes this annular be located location axle's screw thread section one side after epaxial in location, the screw thread section one side of location axle has installed bearing and spring in proper order after having connect the nut soon, the subassembly that compresses tightly on another tip of a location section of thick bamboo is installed to the one side of the non-screw section of location axle, the connecting rod No. one is installed to the tip of one side of the screw thread section of location axle, the connector No. one is installed in proper order to the non-screw section one side of location axle, install the connecting rod no. The advantages are that: the tension force can be visually judged, and timely adjustment can be performed according to the tension force, so that the production efficiency is greatly improved, the stability is very good, the tape winding quality is effectively guaranteed, the friction coefficient is increased due to the arranged friction plate, and convenience in replacement and later maintenance are facilitated.
Description
Technical Field
The invention relates to a bridge main cable protection auxiliary device, in particular to a wrapping belt tensioning device for protecting a suspension bridge main cable.
Background
The main cable is one of the main stressed components of the suspension bridge, is exposed in the atmospheric environment for a long time and is corroded and invaded by various adverse environmental factors, and the main cable of the suspension bridge is an unchangeable component in the design life cycle of the bridge, so the service life of the suspension bridge is directly influenced by the service life of the main cable; at present suspension bridge's main push-towing rope protection mode is mainly to twine the band winding with flexibility on the main push-towing rope, the pressurized mode of rethread heating makes twines the band and coheres on the main push-towing rope, among the prior art, twine the band and mainly use the manual spiral line of lapping machine to twine the package through the manual work, adopt the manual mode of twining the package, receive the difference of the manual gimmick of each different worker, make the inconsistent and inefficiency of quality of twining the package, even if the same person also can't guarantee to twine the package operation steadily unanimously, in addition, the manual tension that twines the package in-process is not enough often can't guarantee to twine.
Disclosure of Invention
The invention aims to provide a wrapping belt tensioning device for protecting a main cable of a suspension bridge, which can improve the stability of wrapping quality and the wrapping efficiency.
In order to solve the technical problem, the wrapping and belt tensioning device for protecting the main cable of the suspension bridge comprises a positioning shaft with a threaded section and a positioning cylinder sleeved on the positioning shaft, wherein an annular groove is formed in one end of the positioning cylinder, the positioning cylinder is sleeved on the positioning shaft to enable the annular groove to be located on one side of the threaded section of the positioning shaft, a bearing and a spring which can be limited in the annular groove are sequentially installed on one side of the threaded section of the positioning shaft and then are screwed with a nut, a pressing component which is pressed against the other end of the positioning cylinder is installed on one side of the non-threaded section of the positioning shaft, a first connecting rod is installed on the end of one side of the threaded section of the positioning shaft, and a second connecting rod is installed on one side of the non-threaded section of the positioning shaft after a first connector, a torque.
The pressing assembly comprises a front baffle pressed at the end part of the positioning cylinder, a friction plate pressed against the side surface of the front baffle, a rear baffle pressed against the side surface of the friction plate and a positioning plate for locking and positioning the front baffle, the friction plate and the rear baffle.
The bearing is a roller bearing.
The positioning cylinder is sleeved with a paper cylinder.
The surface of the friction plate is provided with abrasive grains.
The torque sensor has a display screen.
The invention has the advantages that: its structural design is reasonable, pass through the spring with spanner pretension nut and exert pressure for roller bearing, the frictional force of preceding baffle and friction plate has been increased, and then the tensile force in area of twining has been improved, then the workman rotates the machine of twining a little bit, when pulling out a small part and twine the area, the numerical value of observation torque sensor's display screen can judge the tensile force size directly perceived, and carry out in good time adjustment according to the tensile force size, the problem of the unable definite winding area elasticity of twining when having solved the tradition and twine the area winding, it is very good to have improved production efficiency and stability greatly, thereby the quality of twining has been guaranteed effectively, in addition, the friction plate that sets up, the coefficient of friction has been increased, still be convenient.
Drawings
Fig. 1 is a schematic perspective view of a wrapping belt tensioning device for protecting a main cable of a suspension bridge according to the present invention;
FIG. 2 is a schematic front view of a wrapping belt tensioning device for protecting main cables of a suspension bridge according to the present invention;
fig. 3 is a schematic cross-sectional view of a wrapping belt tensioning device for protecting a main cable of a suspension bridge according to the present invention.
Detailed Description
The wrapping band tensioning device for protecting a main cable of a suspension bridge according to the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
As shown in the figure, the winding and taping tensioning device for protecting the main cable of the suspension bridge comprises a positioning shaft 1 with a (turned) thread section and a positioning cylinder 2 sleeved on the positioning shaft, wherein a paper cylinder 17 is sleeved outside the positioning cylinder 2, and a winding and taping belt is arranged on the paper cylinder; one end part of the positioning cylinder 2 is provided with a ring groove 3, the positioning cylinder 2 is sleeved on the positioning shaft to enable the ring groove to be positioned on one side of the threaded section of the positioning shaft, one side of the threaded section of the positioning shaft 1 is sequentially provided with a roller bearing 4 and a spring 5, and then is screwed with a nut 6, the roller bearing is arranged in the ring groove of the positioning cylinder, the spring can be pressed into the ring groove under a compressed state, and certainly can be partially pressed into the ring groove, so that the threaded section turned at the front end of the positioning shaft is used for the nut to tighten the spring; a pressing component 7 which is pressed against the other end part of the positioning cylinder is arranged on one side of the non-threaded section of the positioning shaft 1, a nut can screw or unscrew a spring through a wrench, and the tension of the wrapping belt can be adjusted through the pressure applied by the spring; the end part of one side of the threaded section of the positioning shaft 1 is provided with a first connecting rod 8, one side of the non-threaded section of the positioning shaft 1 is sequentially provided with a first connector 9, a torque sensor 10 and a second connector 11, and then is provided with a second connecting rod 12, as can be seen from the figure, the first connector 9 can connect the positioning shaft 1 with the torque sensor through a bolt, the torque sensor 10 is provided with a display screen, the torque sensor can measure the torque of the positioning shaft in a tensioning state of a winding and wrapping belt and display the torque through the display screen, namely, the torque rotating around the positioning shaft when the winding and wrapping belt is tensioned and wound is displayed, the second connector 11 can connect and fix the torque sensor with the second connecting rod 12 through a bolt, the first connecting rod 8 and the second connecting rod 12 are connected with a wrapping machine, in the structure, the first connecting rod 8 and the second connecting rod 12 play a role in fixing the whole tensioning, the heads of the first connecting rod 8 and the second connecting rod 12 are provided with bolts, so that the tensioning device can be quickly mounted and dismounted.
The pressing component 7 further comprises a front baffle 13 pressed at the end of the positioning cylinder, a friction plate 14 pressed on the side surface of the front baffle 13, a rear baffle 15 pressed on the side surface of the friction plate 14 and a positioning plate 16 used for locking and positioning the front baffle 13, the friction plate 14 and the rear baffle 15, wherein the surface of the friction plate is provided with abrasive grains, the friction coefficient is increased, the friction force is increased when the friction plate is tightly attached to the front baffle, the tension force is increased, and as can be seen from the figure, the positioning cylinder is connected with the front baffle through screws; the rear baffle is connected with the positioning plate through a screw, and the positioning plate is welded on the positioning shaft; during the use, exert pressure for roller bearing with spanner pretension nut through the spring, increased the frictional force of preceding baffle and friction plate, twine the tensile force of band and also increase thereupon, and then improve the tensile force of twining the band, then the workman rotates the machine of twining a little, when pulling out a small part and twine the band, whether the moment of torsion on the observation torque sensor display screen has reached the specified value, if not satisfy, through precession or the pine nut of soon until satisfying the specified value, then carry out subsequent twining of band and twine.
The specific working principle is as follows:
firstly, a winding and taping belt is installed on a positioning cylinder and attached to a front baffle, then a first connecting rod 8 and a second connecting rod 12 are respectively connected with a positioning shaft and a second connector 11 through bolts according to the position shown in figure 1 to form a three-dimensional structure diagram shown in figure 1, then the first connecting rod 8 and the second connecting rod 12 are inserted into a connecting hole of a winding machine and then fastened through bolts, during operation, a spanner is used for pre-tightening nuts to apply pressure to a roller bearing through a spring, the friction force of the front baffle and the friction plate is increased, the tension force of the winding and taping belt is further improved, then a worker slightly rotates the winding machine, when a small part of the winding and taping belt is pulled out, whether the torque on a torque sensor display screen reaches a specified value is observed, if the torque does not reach the specified value, the nut is screwed in or unscrewed until the specified value is.
Claims (6)
1. The utility model provides a twine band overspeed device tensioner for protection of suspension bridge main push-towing rope which characterized in that: comprises a positioning shaft (1) with a thread section and a positioning cylinder (2) sleeved on the positioning shaft, a ring groove (3) is arranged at one end part of the positioning cylinder (2), the positioning cylinder (2) is sleeved on the positioning shaft to ensure that the ring groove is positioned at one side of the threaded section of the positioning shaft, a bearing (4) and a spring (5) which can be limited in the ring groove are sequentially arranged on one side of the thread section of the positioning shaft (1) and then are connected with a nut (6) in a screwing way, a pressing component (7) which is pressed against the other end part of the positioning cylinder is arranged on one side of the non-threaded section of the positioning shaft (1), a first connecting rod (8) is arranged at the end part of one side of the threaded section of the positioning shaft (1), a first connector (9), a torque sensor (10) and a second connector (11) are sequentially arranged on one side of the non-threaded section of the positioning shaft (1) and then a second connecting rod (12) is arranged.
2. The wrapping tape tensioning device for protecting a main cable of a suspension bridge according to claim 1, wherein: the pressing assembly (7) comprises a front baffle (13) pressed at the end part of the positioning cylinder, a friction plate (14) pressed against the side surface of the front baffle (13), a rear baffle (15) pressed against the side surface of the friction plate (14), and a positioning plate (16) used for locking and positioning the front baffle (13), the friction plate (14) and the rear baffle (15).
3. The wrapping tape tensioning device for protecting a main cable of a suspension bridge according to claim 1 or 2, wherein: the bearing (4) is a roller bearing.
4. The wrapping band tensioning device for protecting a main cable of a suspension bridge according to claim 3, wherein: and a paper tube (17) is sleeved outside the positioning tube (2).
5. The wrapping tape tensioning device for protecting a main cable of a suspension bridge according to claim 2, wherein: the surface of the friction plate (14) is provided with abrasive grains.
6. The wrapping tape tensioning device for protecting a main cable of a suspension bridge according to claim 1, 2, 4 or 5, wherein: the torque sensor (10) has a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155452.2A CN111217210A (en) | 2020-03-09 | 2020-03-09 | Wrapping belt tensioning device for protecting main cable of suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155452.2A CN111217210A (en) | 2020-03-09 | 2020-03-09 | Wrapping belt tensioning device for protecting main cable of suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111217210A true CN111217210A (en) | 2020-06-02 |
Family
ID=70808111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010155452.2A Pending CN111217210A (en) | 2020-03-09 | 2020-03-09 | Wrapping belt tensioning device for protecting main cable of suspension bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111217210A (en) |
-
2020
- 2020-03-09 CN CN202010155452.2A patent/CN111217210A/en active Pending
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