CN111676841A - Anti-cable-falling external prestressed cable steering gear - Google Patents
Anti-cable-falling external prestressed cable steering gear Download PDFInfo
- Publication number
- CN111676841A CN111676841A CN202010577707.4A CN202010577707A CN111676841A CN 111676841 A CN111676841 A CN 111676841A CN 202010577707 A CN202010577707 A CN 202010577707A CN 111676841 A CN111676841 A CN 111676841A
- Authority
- CN
- China
- Prior art keywords
- cable
- steel cable
- steering
- locker
- shaped
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention discloses an anti-drop external prestressed steel cable steering gear which comprises an inner pulley group, a locking system and a fixing system, wherein the inner pulley group is fixed on the inner pulley group; the fixing system comprises fixing plates on two transverse sides, wherein an opening is formed in the bottom of each fixing plate to form a limiting plate at the bottom and a corresponding steering groove in the limiting plate; the inner pulley group comprises a plurality of inner pulleys which are radially arranged in the steering groove, a rolling shaft is arranged in each inner pulley, and two ends of each rolling shaft are respectively and correspondingly fixedly connected with the limiting plates on two sides; the locking system comprises a plurality of locking devices arranged in the steering groove, and the locking devices are fixedly connected with the limiting plates on the two sides. The steel cable is pressed in the inner groove of the inner pulley and penetrates through each locking device, the steel cable slides at a normal low speed without being limited by the locking device, and once the steel cable is disconnected and the sliding speed exceeds a certain limit value, the locking device locks the steel cable and limits the movement of the steel cable, so that the temporary anchoring effect of the steel cable is achieved.
Description
Technical Field
The invention belongs to the technical field of prestressed steel cable steering gear structures, and particularly relates to an anti-cable-release external prestressed steel cable steering gear which is mainly applied to occasions adopting external prestress to reinforce structures and realizes steering of external prestressed steel cables by utilizing the steering gear.
Background
The external prestress technology is widely applied as an active reinforcement method, and has remarkable advantages compared with passive reinforcement modes such as plate pasting and the like. The reinforcement technology can apply external force opposite to live load to the structure before the structure bears external load, so that the structure is relieved in advance, the structure deformation is reduced, and the rigidity is improved.
However, whatever the structure, the internal force along the length direction of the member under the action of load always changes and is distributed, for example, under the action of constant load and automobile load, the span bending moment of the simply supported beam structure is large, the fulcrum bending moment is small, and the shearing force distribution is just opposite. Therefore, when external prestress is used for reinforcement, in order to meet the internal force distribution characteristics of the structure, the external prestress steel cable needs to turn at a certain position, namely, the distance from the steel cable to the centroid of the structure is changed. Therefore, the steering gear is commonly used in an external prestressing structure.
The investigation of the existing prestressed steel cable steering gear shows that accidents such as difficult slippage of an external prestressed steel cable at a steering position, small turning radius, cable breakage, stress concentration, accidental cable detachment due to accidental cable detachment, injury to people and the like often occur due to improper structure of the steering gear and the like. The steering gear can realize the turning of the steel cable, once the steel cable is anchorly separated from the anchoring device, the steel cable slides along the steering gear at a high speed instantly to hit downwards, and if pedestrians or vehicles exist below the steel cable, serious consequences can be brought. Therefore, it is a goal of structural engineers to develop an external prestressed steel cable steering gear which is safe and reliable, can overcome the above mentioned diseases, and can realize smooth steering of the steel cable.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides the anti-releasing external prestressed cable steering gear, wherein a plurality of locking devices are arranged in the steering groove, so that the anti-releasing of the external prestressed cable can be realized, and a protection device is provided for preventing the cable from being released.
In order to achieve the aim, the invention provides an anti-drop external prestressed cable steering gear which is characterized by comprising an inner pulley group, a locking system and a fixing system; wherein the content of the first and second substances,
the fixing system comprises fixing plates on two transverse sides, an opening is formed in the bottom of each fixing plate, and a limiting plate at the bottom and a corresponding steering groove in the limiting plate are formed;
the inner pulley group comprises a plurality of inner pulleys which are radially arranged in the steering groove, a rolling shaft is arranged in each inner pulley, and two ends of each rolling shaft are respectively and correspondingly fixedly connected with the limiting plates on two sides;
the locking system comprises a plurality of lockers arranged in the steering groove, and the lockers are fixedly connected with the limiting plates on the two sides; the steel cable is pressed in the inner groove of the inner pulley and penetrates through each locker, and the steel cable is locked by the lockers when the anchor is removed, so that the steel cable is locked.
Further, the locker comprises a locker mother plate, a locker wedge-shaped clamping piece is arranged in a wedge-shaped hole in the locker mother plate, the inner diameter of the locker mother plate is matched with the outer diameter of the locker wedge-shaped clamping piece, and the steel cable penetrates through the locker wedge-shaped clamping piece.
Furthermore, one end of the locking device master slice is fixedly connected with a gear fixing frame, the other end of the gear fixing frame is of an opening structure, and the steel cable penetrates through the opening structure.
Furthermore, at least two groups of driving wheels, driven wheels and irregular fan-shaped propelling pieces are arranged in the inner space between the gear fixing frame and the steel cable and are respectively arranged on two sides of the steel cable.
Further, the two fan-shaped sides of the irregular fan-shaped propelling piece are different in length and radius, wherein the length of R1 is larger than that of R2, R2 represents the side of the irregular fan-shaped propelling piece close to the fan-shaped side of the wedge-shaped clamping piece of the locker, and R1 represents the side of the fan-shaped side of the irregular fan-shaped propelling piece on the other side.
Furthermore, the gears of the driving wheel and the driven wheel are matched with each other and are connected with the gear fixing frame through a support, and the driven wheel is fixedly connected with the end part of the irregular sector propelling piece.
Further, tooth marks are arranged on the inner edge surface of the wedge-shaped clamping piece of the locker.
Further, the number of inner sheaves and the position in the diverting groove are increased or decreased depending on the magnitude of the steering arc R of the wire rope.
Furthermore, the fixed plate is provided with a plurality of connecting plates, and the connecting plates are vertically arranged between the fixed plates on the two sides along the height direction.
Furthermore, a plurality of bolt holes are correspondingly formed in the fixing plate and used for being fixedly connected with the reinforced structure.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) according to the anti-releasing external prestressed cable steering gear, the plurality of locking devices are arranged in the steering groove, the steel cable penetrates through the locking devices, the anti-releasing of the external prestressed cable is realized, a protection device is provided for preventing the steel cable from releasing the anchor, and accidents caused by the releasing of the steel cable are avoided. The normal low speed sliding of the wire rope is not limited by the lock. And once the sliding speed of the steel cable exceeds a certain limit value, the locking device locks the steel cable to limit the movement of the steel cable, thereby playing the role of temporarily anchoring the steel cable.
(2) The invention relates to an anti-releasing external prestressed cable steering gear, which comprises a locking device master plate, a locking device wedge-shaped clamping piece, a gear fixing frame, a driving wheel, a driven wheel and an irregular fan-shaped propelling piece.
(3) According to the anti-rope-falling external prestressed steel cable steering gear, the screw inner pulleys are distributed in the steering groove and are pressed in the inner grooves of the inner pulleys, on one hand, the strong pressure of a steel cable at the steering position is dispersed to the inner pulleys, compared with the hard contact at the steering position of the steel cable, the contact friction of the steel cable can be avoided, compared with the arrangement of a single inner pulley, the inner pulley groups are used for multi-point support of the steel cable, the fast steering of the steel cable can be realized, the stress concentration of the steering gear is avoided, the steering radian of the steel cable is improved, and the probability of damage of the steel cable is reduced.
(4) The inner pulleys of the screw rod are distributed in the steering groove, so that the steering radian can be adjusted, manual adjustment can be performed according to different positions of the inner pulleys in the radial direction, the set steering groove radian can be prefabricated according to the steering angle requirement in the actual structure during manufacturing, and the steering radian of the steel cable can be adjusted by adjusting the outer diameter of at least one inner pulley in the steering groove after the steering gear is assembled.
(5) The internal screw pulleys are distributed in the steering groove, so that the structure is simple, a shaped product can be formed, the steering groove is suitable for mass production in factories, is directly installed and used on site, can be conveniently applied to reinforcing engineering such as bridges and the like, and realizes quick and convenient steering of prestressed steel cables; meanwhile, the steering gear can be repeatedly used, and the cost is reduced.
Drawings
FIG. 1 is a longitudinal cross-sectional view of an anti-derailing in-vitro prestressed cable diverter according to an embodiment of the present invention;
FIG. 2 is an installation drawing of an anti-derailment in-vitro prestressed cable diverter according to an embodiment of the present invention;
FIG. 3 is a transverse cross-sectional view of an anti-derailing in-vitro prestressed cable diverter according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the area A in FIG. 3 according to the present invention;
fig. 5 is a schematic view of an arrangement of an anti-derailing in-vitro prestressed cable diverter according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a lock involved in an anti-derailment in-vitro prestressed cable diverter according to an embodiment of the present invention;
FIG. 7 is a schematic view of a locker master in the locker structure of the present invention;
FIG. 8 is a schematic view of the structure of FIG. 7 taken along the line I-I according to the present invention;
FIG. 9 is a view of a wedge clip of the present invention latch construction;
FIG. 10 is a schematic view of the structure of FIG. 9 taken along line II-II of the present invention;
FIG. 11 is a schematic view of the structure of the driven wheel and the unequal sector propulsion plates in the lock structure of the invention.
Wherein, fig. 5 is a schematic elevation of an actual structure reinforced by external prestressed cables, and fig. 2 is a schematic installation of the steering gear on the main beam.
The same reference numbers will be used throughout the drawings to refer to the same or like structures and parts, wherein: 1-a fixing plate, 2-a steering groove, 3-a limiting plate, 4-an inner pulley, 5-a rolling shaft, 6-a locker, 7-a connecting plate, 8-a fixing bolt hole, 9-a steel cable, 10-a steering gear, 11-a reinforced structure and 12-a steel cable anchoring device; 601-locking device mother piece, 602-locking device wedge-shaped clamping piece, 603-gear fixing frame, 604-driving wheel, 605-driven wheel and 606-irregular sector propelling piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1-3 are a longitudinal sectional view, an installation view and a transverse sectional view of an anti-drop external prestressed cable diverter according to an embodiment of the invention. Referring to fig. 1 to 3, the anti-release external prestressed steel cable steering device of the present invention includes a fixing plate 1, a steering groove 2, a limiting plate 3, an inner pulley 4, a roller 5, a locker 6, a connecting plate 7, and a fixing bolt hole 8. Wherein, through a plurality of connecting plates 7 fixed connection between the fixed plate 1 of both sides, the fixed plate 1 bottom is open structure, forms the spacing plate 3 of horizontal both sides, forms in the middle of the spacing plate 3 and turns to groove 2, and interior pulley 4, roller bearing 5 and locker 6 locate and turn to inside groove 2.
Specifically, the anti-releasing external prestressed steel cable steering gear comprises a multi-point support radian-adjustable inner pulley set, a steel cable quick sliding locking system and a fixing system; the inner pulley group is arranged in the steering groove 2 and comprises a plurality of inner pulleys 4 arranged according to the steering radius R of the steel cable 9 and rollers 5 arranged in the inner pulleys 4, and two ends of each roller 5 are fixedly connected with the limiting plates 3 on two sides respectively. As shown in fig. 1, the steering groove 2 has an arc structure, and the arc degree can be adjusted according to the steering angle of the wire rope 9, the inner pulleys 4 are arranged at intervals in the steering groove 2, and the inner pulleys 4 are sleeved on the rolling shaft 5. The steel cable 9 is respectively pressed in the inner grooves of the inner pulleys 4 in the steering grooves under the action of tension of the steel cable 9, is radially arranged along an arc line, and rotates around the rolling shaft 5 by virtue of the inner pulleys 4, so that the normal sliding function of the steel cable 9 is realized. The limiting plates 3 arranged at the two sides of the steering groove 2 can prevent the inner pulley 4 and the steel cable 9 from laterally moving and falling off.
Preferably, the number of inner sheaves 4 can be increased or decreased depending on the magnitude of the wire rope steering arc R, and all the inner sheaves 4 are arranged radially along the steering arc.
The interior pulley of screw rod that distributes of steering groove, and press in the inner groovy of each inner pulley, on the one hand, with the cable wire on each inner pulley of strong pressure dispersion of steering department, compare the hard contact of cable wire steering department, can avoid the contact friction of cable wire, and can realize that the fast steering of cable wire compares, set up single inner pulley, a plurality of inner pulley groups are used for the multiple spot of cable wire to support, can disperse the cable wire and avoid steering gear stress concentration to the radial powerful pressure of steering gear, the cable wire steering radian has been improved simultaneously, reduce the damaged probability of cable wire.
In addition, the anti-rope-falling external prestressed cable steering gear can realize the adjustment of the steering radian, not only can preset the steering groove radian according to the requirement of the steering angle in an actual structure during manufacturing, but also can adjust the steering radian of a steel cable by adjusting the outer diameter of at least one inner pulley in the steering groove after the steering gear is assembled. Wherein the turning curve of the wire rope can be changed by adjusting the outer diameter of one or several of the inner pulleys, and wherein increasing or decreasing the outer diameter of the inner pulleys as a whole can increase or decrease the turning radius R. The turning radius of the steel cable can be adjusted according to different positions of the plurality of inner pulleys along the radial direction, and steering support is provided.
The fixing system is used for fixing the steering gear of the anti-rope-falling device in a reinforced structure and comprises a fixing plate 1, a connecting plate 7 and bolt holes 8, wherein the fixing plate 1 is provided with the connecting plates 7, the fixing plate 1 is correspondingly provided with the bolt holes 8, and the fixing system is used for fixedly connecting the steering gear 10 with the reinforced structure 11. The anti-derailing external prestressed wire steering gear of the present invention is configured such that the steering gear 10 is mounted on the structure 11 to be reinforced by means of the bolts provided in the bolt holes, and the wire 9 is efficiently transferred to the structure 11 to be reinforced. Of course, other alternatives that achieve the same fastening function are also within the scope of the present application. The connecting plates 7 connected with the fixing plates 1 on the two sides are vertically arranged in the height direction, so that the rigidity and the bearing capacity of the steering gear 10 are greatly improved, and the deformation of the steering gear 10 under the tension action of the steel cable 9 is reduced.
The locking system comprises a plurality of locking devices 6 arranged in the steering groove 2, and the locking devices 6 are fixedly connected with the limiting plates 3 on two sides. The cable 9 passes through the lock 6 and is pressed into the inner groove of each inner pulley. The cable 9 is not restricted by the locker 6 when sliding at a normal low speed, and once the sliding speed of the cable 9 exceeds a certain limit value, the locker 6 locks the cable 9, thereby restricting the movement of the cable 9.
The specific structure of the steel cable 9 is shown in fig. 6, and the lock 6 of the present invention specifically includes a lock master 601, a lock wedge clip 602, a gear fixing bracket 603, a driving wheel 604, a driven wheel 605, and an irregular sector-shaped propelling piece 606.
As can be seen from the specific structure of the lock shown in fig. 7 to 10, the lock 6 includes a ring-shaped hollow lock master 601, which has the same outer diameter and different inner diameters, and the inner diameters gradually increase or decrease from one end to the other end; the locking device wedge clip 602 is disposed in a wedge-shaped hole inside the locking device female 601, and the inner diameter of the locking device female 601 matches with the outer diameter of the locking device wedge clip 602, the inner diameter of the locking device wedge clip 602 is the same, and the outer diameter is gradually decreased or increased from one end to the other end corresponding to the locking device female 601, so that the inside of the locking device wedge clip 602 is parallel or nearly parallel to the steel cable 9 after the locking device female 601 and the locking device wedge clip 602 are assembled. In a preferred embodiment of the present invention, the inner diameter of the end of the locker wedge shaped jaw 602 adjacent to the irregular fan-shaped pushing piece 606 is larger than that of the other end thereof, and the inner diameter of the end of the locker mother plate 601 adjacent to the irregular fan-shaped pushing piece 606 is smaller than that of the other end thereof, which is more advantageous for the pushing of the locker wedge shaped jaw 602 toward the locker mother plate 601.
One end of the locking device master slice 601 is fixedly connected with the gear fixing frame 603, one end of the gear fixing frame 603 is fixedly connected with the locking device master slice 601, the other end of the gear fixing frame 603 is of an opening structure and used for the steel cable 9 to penetrate through, a driving wheel 604, a driven wheel 605 and an irregular fan-shaped propelling piece 606 are arranged in the inner space of the gear fixing frame 603 and the steel cable 6, wherein the driving wheel 604 and the driven wheel 605 are connected with the gear fixing frame 603 through a support, the driven wheel 605 is fixedly connected with the end part of the irregular fan-shaped propelling piece 606, the gears of the driving wheel 604 and the driven wheel 605 are matched with each other, and the section of the irregular fan-shaped propelling piece 606 is in a fan shape and is not fixedly.
Preferably, the locking device 6 has at least two sets of driving wheels 604, driven wheels 605 and fan-shaped pushing pieces 606, and the two sets of driving wheels, the driven wheels and the fan-shaped pushing pieces are symmetrically disposed on two opposite sides of the cable 9.
Preferably, the inner edge surface of the locking wedge-shaped clip 602 is provided with teeth, and in case of the steel cable 9 being out of anchor, the locking wedge-shaped clip 602 is pushed into the wedge-shaped hole of the locking master 601, and the locking wedge-shaped clip 602 is in contact with the steel cable 9, which can increase the resistance of the contact surface and is beneficial to preventing the steel cable 9 from further retracting.
FIG. 11 is a schematic view of the structure of the driven wheel and the unequal sector propulsion plates in the lock structure of the invention. As shown, preferably, the driven wheel 605 and the non-equilateral fan-shaped propulsion segment end 606 are fixed to each other, and the two fan-shaped propulsion segments 606 have different side radii in cross section, wherein the length of R1 is greater than the length of R2, R2 represents the side length of the segment adjacent to the latch wedge clip 602, and R1 represents the side length of the segment on the other side, so as to facilitate the rotation of the non-equilateral fan-shaped propulsion segment 606 and the movement of the non-equilateral fan-shaped propulsion segment 606 to propel the latch wedge clip 602.
The working principle and the process of the locker 6 are as follows:
during normal operation, the steel cable 9 can slide back and forth at a low speed within a small range along the inner pulley 4, and because the steel cable 9 moves at a low speed, the steel cable 9 is positioned inside the locker 9 and does not contact with the driving wheel 604, a certain gap is formed between the wedge-shaped clamping piece 602 of the locker and the steel cable 9, the two are not in contact with each other, and the steel cable 9 moves back and forth at a low speed inside the locker 6;
if the steel cable 9 is separated from the anchoring device 12, the steel cable 9 is instantly retracted at a high speed, due to centrifugal force generated by the high-speed motion of the steel cable 9, under the action of the centrifugal force, the steel cable 9 will move outwards away from the center of the circle and contact with the driving wheel 604 and drive the driving wheel 604 to rotate, the gear on the driving wheel 604 drives the driven wheel 605 to rotate in reverse direction, and further drives the fan-shaped pushing piece 606 with unequal edges to rotate, because the lengths of the two edges of the fan-shaped pushing piece 606 with unequal edges are different, wherein R1 is greater than R2, the rotation of the fan-shaped pushing piece 606 with unequal edges will push the locking wedge-shaped clamping piece 602 to push into the wedge-shaped hole of the locking master disc 601, the inner edge surface of the locking wedge-shaped clamping piece 602 is provided with teeth marks, when the locking wedge-shaped clamping piece 602 is pushed, under the driving of the retraction of the steel cable 9, the steel cable, thereby locking the wire 9 and achieving its locking action.
Fig. 5 is a schematic diagram illustrating an arrangement of an anti-releasing external prestressed cable steering gear according to an embodiment of the present invention, in which a fixing plate 1 is provided with a bolt hole 8, the steering gear 10 is mounted on a reinforced structure 11 through a bolt, a cable 9 passes through a radial inner groove of an inner pulley 4 and a lock 6, and is fixed to a cable anchor 12 provided on the reinforced structure 11, and the prestressed cable 9 is tensioned at the cable anchor 12, so that the steering of the cable 9 is achieved, and the cable tension is ensured to be transmitted to the reinforced structure 11 through the steering gear 10.
According to the anti-releasing external prestressed cable steering gear, the plurality of locking devices are arranged in the steering groove, the steel cable penetrates through the locking devices, the anti-releasing of the external prestressed cable is realized, a protection device is provided for preventing the steel cable from being released from anchoring, and accidents caused by the releasing of the steel cable are avoided.
The anti-releasing external prestressed cable steering gear is suitable for steering external prestressed cables, has a simple structure, can form a shaped product, is suitable for mass production in factories, can be directly installed and used on site, can be conveniently applied to reinforcing projects such as bridges and the like, and realizes quick and convenient steering of the prestressed cables; meanwhile, the steering gear can be repeatedly used, and the cost is reduced.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An anti-drop external prestressed cable steering gear is characterized by comprising an inner pulley group, a locking system and a fixing system; wherein the content of the first and second substances,
the fixing system comprises fixing plates (1) on two transverse sides, wherein the bottoms of the fixing plates are provided with openings to form limiting plates (3) at the bottoms and corresponding steering grooves (2) in the limiting plates;
the inner pulley group comprises a plurality of inner pulleys (4) which are radially arranged in the steering groove (2), a rolling shaft (5) is arranged in each inner pulley (4), and two ends of each rolling shaft (5) are respectively and correspondingly fixedly connected with the limiting plates (3) on two sides;
the locking system comprises a plurality of locking devices (6) arranged in the steering groove (2), and the locking devices (6) are fixedly connected with the limiting plates (3) on the two sides; the steel cable (9) is pressed in the inner groove of the inner pulley (4) and penetrates through each locker (6), and the locking of the steel cable is realized through the locking of the lockers (6) when the anchor is removed.
2. The anti-derailment in-vitro prestressed cable diverter according to claim 1, wherein the locker (6) comprises a locker mother plate (601), a locker wedge clip (602) is provided in a wedge-shaped hole inside the locker mother plate (601), and the inside diameter of the locker mother plate (601) matches with the outside diameter of the locker wedge clip (602), and the cable (9) passes through the locker wedge clip (602).
3. The anti-derailment in-vitro prestressed cable diverter according to claim 2, wherein one end of the lock master (601) is fixedly connected to a gear fixing bracket (603), the other end of the gear fixing bracket (603) is of an open structure, and the cable (9) passes through the open structure.
4. The anti-derailment externally prestressed cable diverter according to claim 3, wherein the gear fixing frame (603) and the cable (9) have at least two sets of driving wheels (604), driven wheels (605) and irregular sector-shaped propelling pieces (606) in the inner space, and are respectively disposed on two sides of the cable (9).
5. The anti-derailment in-vitro prestressed cable diverter according to claim 4, wherein the two fan-shaped sides of the irregular fan-shaped pushing piece (606) have different length and radius in cross section, wherein the length of R1 is greater than that of R2, R2 represents the side length of the fan-shaped side close to the wedge-shaped clamping piece (602) of the locker, and R1 represents the side length of the fan-shaped side on the other side.
6. The anti-derailment in-vitro prestressed cable diverter according to claim 4 or 5, wherein the gears of the driving wheel (604) and the driven wheel (605) are matched with each other and connected with the gear fixing frame (603) through a bracket, and the driven wheel (605) is fixedly connected with the end of the irregular sector-shaped propelling piece (606).
7. An anti-derailment in-vitro prestressed cable diverter according to any one of claims 2-6, wherein the inner edge surface of the locker wedge jaw (602) is provided with teeth marks.
8. An anti-roping extra-body prestressed cable diverter according to claim 7, characterized in that the number of inner pulleys (4) and their position in the diverting groove (2) increases or decreases depending on the magnitude of the cable's steering arc R.
9. The anti-derailment in-vitro prestressed cable diverter according to claim 1 or 7, wherein the fixing plate (1) is provided with a plurality of connecting plates (7), and the connecting plates (7) are vertically arranged in the height direction between the fixing plates (1) on both sides.
10. The anti-derailment in-vitro prestressed cable diverter according to any one of claims 1-9, wherein the fixing plate (1) is further provided with a plurality of corresponding bolt holes (8) for fixedly connecting with the reinforced structure (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577707.4A CN111676841B (en) | 2020-06-23 | 2020-06-23 | Anti-cable-falling external prestressed cable steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577707.4A CN111676841B (en) | 2020-06-23 | 2020-06-23 | Anti-cable-falling external prestressed cable steering gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111676841A true CN111676841A (en) | 2020-09-18 |
| CN111676841B CN111676841B (en) | 2021-03-09 |
Family
ID=72436927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010577707.4A Active CN111676841B (en) | 2020-06-23 | 2020-06-23 | Anti-cable-falling external prestressed cable steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111676841B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458903A (en) * | 2020-11-05 | 2021-03-09 | 滁州职业技术学院 | Centralized transfer equipment of corrugated steel web external prestress box girder bridge steering device |
| CN113027165A (en) * | 2021-03-30 | 2021-06-25 | 中国国家铁路集团有限公司 | Lightweight external prestress reinforcing system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR70273E (en) * | 1954-01-12 | 1959-03-27 | Improvements to slings | |
| SU651106A1 (en) * | 1977-09-06 | 1979-03-05 | Хабаровский политехнический институт | Device for anchoring rod reinforcement bundle |
| CN203947423U (en) * | 2014-07-15 | 2014-11-19 | 济南市市政工程设计研究院（集团）有限责任公司 | First open folding prestressed steel bundle transfer |
| CN205474782U (en) * | 2015-12-11 | 2016-08-17 | 河南省交通规划设计研究院股份有限公司 | External prestress wave form steel web T roof beam |
| CN108453888A (en) * | 2018-03-09 | 2018-08-28 | 中交路桥科技（广州）有限公司 | A kind of pretensioned prestressed concrete girder steel strand wires steering gear and its constructing device |
| CN207776262U (en) * | 2018-01-22 | 2018-08-28 | 房勇 | A kind of prestressed anchor |
| CN110065888A (en) * | 2019-05-07 | 2019-07-30 | 中国水利水电第七工程局有限公司 | A kind of cable crane main rope Demolition Construction method |
| CN210506940U (en) * | 2019-09-04 | 2020-05-12 | 甘肃丹霞土小七文创产品开发有限公司 | Cloth souvenir preparation is with tailorring equipment |
-
2020
- 2020-06-23 CN CN202010577707.4A patent/CN111676841B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR70273E (en) * | 1954-01-12 | 1959-03-27 | Improvements to slings | |
| SU651106A1 (en) * | 1977-09-06 | 1979-03-05 | Хабаровский политехнический институт | Device for anchoring rod reinforcement bundle |
| CN203947423U (en) * | 2014-07-15 | 2014-11-19 | 济南市市政工程设计研究院（集团）有限责任公司 | First open folding prestressed steel bundle transfer |
| CN205474782U (en) * | 2015-12-11 | 2016-08-17 | 河南省交通规划设计研究院股份有限公司 | External prestress wave form steel web T roof beam |
| CN207776262U (en) * | 2018-01-22 | 2018-08-28 | 房勇 | A kind of prestressed anchor |
| CN108453888A (en) * | 2018-03-09 | 2018-08-28 | 中交路桥科技（广州）有限公司 | A kind of pretensioned prestressed concrete girder steel strand wires steering gear and its constructing device |
| CN110065888A (en) * | 2019-05-07 | 2019-07-30 | 中国水利水电第七工程局有限公司 | A kind of cable crane main rope Demolition Construction method |
| CN210506940U (en) * | 2019-09-04 | 2020-05-12 | 甘肃丹霞土小七文创产品开发有限公司 | Cloth souvenir preparation is with tailorring equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458903A (en) * | 2020-11-05 | 2021-03-09 | 滁州职业技术学院 | Centralized transfer equipment of corrugated steel web external prestress box girder bridge steering device |
| CN113027165A (en) * | 2021-03-30 | 2021-06-25 | 中国国家铁路集团有限公司 | Lightweight external prestress reinforcing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111676841B (en) | 2021-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3337939B1 (en) | Travel system for cylindrical and/or conical surfaces | |
| CN111676841B (en) | Anti-cable-falling external prestressed cable steering gear | |
| DE4236847A1 (en) | Radial roller bearings | |
| EP3589839B1 (en) | Adjustment unit for azimuth adjustment and/or pitch adjustment of a wind turbine, and method | |
| EP2161236A2 (en) | Stacker crane with running gear | |
| EP3505484A1 (en) | Lifting device | |
| EP3286124B1 (en) | Carrier unit for a lift facility | |
| EP2449191A1 (en) | Parking garage elevator system for vehicles | |
| EP1003984B1 (en) | Directional clutch | |
| US4444293A (en) | Safety arrester for mine-shaft conveyances using tubing guides | |
| EP3068679B1 (en) | Rubber band track segment | |
| EP3685067B1 (en) | Multi-part brake disc | |
| EP0360033A1 (en) | Cable traction device | |
| DE102006037253A1 (en) | Elevator, with a cabin and a counterweight, has a cabin support cable with no drive function and a drive cable in a pulley structure moving the counterweight to shift the cabin | |
| EP3966001B1 (en) | Brake assembly for a drive device in a robot | |
| CH654811A5 (en) | DEVICE FOR SPEED CONTROL OF A VEHICLE AND STORAGE DEVICE WITH AT LEAST ONE VEHICLE. | |
| EP1418084A1 (en) | Tensioning pulley | |
| CN111452766B (en) | New energy automobile promptly moves car equipment | |
| DE2403633A1 (en) | Vehicle platform lifting mechanism - has thrust carriage nut of low-friction non-locking type with separate automatic brake | |
| EP2857341B1 (en) | Crane track assembly for an overhead crane | |
| EP3469227B1 (en) | Clamping jaw for a locking device for components which are arranged in a rotatable and/or displaceable manner, and locking device | |
| EP4069907B1 (en) | Switch arrangement for a track-bound vehicle | |
| CH720169A2 (en) | Chain system for a conveyor system | |
| EP4361436A1 (en) | Wheel generator with lever elements with double bearing | |
| DE49355C (en) | Cable clamping wheel for power transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |