CN210975552U - Anti-twist cable penetrating device - Google Patents
Anti-twist cable penetrating device Download PDFInfo
- Publication number
- CN210975552U CN210975552U CN201920763379.XU CN201920763379U CN210975552U CN 210975552 U CN210975552 U CN 210975552U CN 201920763379 U CN201920763379 U CN 201920763379U CN 210975552 U CN210975552 U CN 210975552U
- Authority
- CN
- China
- Prior art keywords
- connector
- connecting rod
- head
- steel strand
- rear end
- 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.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to an anti-twist reeving device, which belongs to reeving devices of bridges and construction steel strands, and comprises a connecting rod, a connector cap I, a connector, a joint head and a connector cap II, wherein the rear part of the connecting rod extends into the front end of the connector, the connector cap I is locked at the front end of the connector, the connecting rod extends forwards out of the connector cap I, and one or more bearings are sleeved around the connecting rod extending into the connector to enable the connecting rod to rotate in the connector; the front end of the extension head extends into the rear end of the connector and is fixed, the rear end of the extension head is provided with a deep hole for inserting the pier head steel strand, the connector cap II is locked at the rear end of the extension head, and the steel strand penetrates through the connector cap II. The connecting rod is movably arranged in the connector, and in the cable threading process, the connecting rod and the connector can rotate relatively according to the actual twisting condition, so that the steel strand is prevented from twisting.
Description
Technical Field
The utility model relates to a steel strand wires's reeving device among building, bridge suspension cable construction engineering.
Background
The cable penetrating process in the construction process of the cable-stayed bridge is one of key processes, and a steel strand penetrates through outer sleeves on two sides and is anchored in box girders on two sides of a main tower. For a short-tower cable-stayed bridge, the height of a main tower is small, the length of a stay cable is relatively short, and in order to save a preparation process of mechanical cable threading and shorten the construction period, the method can be generally carried out in a mode of mechanically assisting manual cable threading during cable threading construction of a part of cable-stayed bridges. After the steel strand reaches the opening of the beam-end embedded pipe, the steel strand needs to be reeved by the guide rod, the connector at the end of the guide rod is connected with the pier head of the working steel strand through the connector, the steel strand is reeved by traction of the guide rod, and the connector is a reeving device for connecting the guide rod and the steel strand.
The publication number 108824205a discloses a steel strand reeving device, which can directly and rapidly guide a steel strand and pass through a steel strand in a riveting hole, and comprises a sleeve, wherein a taper hole section is arranged in a tube cavity of the sleeve, a small-diameter end of the taper hole section is arranged close to a tube opening, clamping pieces are correspondingly arranged on the taper hole section, the clamping pieces are encircled to form a shape matched with the taper hole section, an inner hole area is encircled by the clamping pieces to contain the steel strand to be connected, and at least a small-diameter end of a tube sleeve-shaped area encircled by the clamping pieces is in an open-close type shape. When the clamping piece is in the open mode, the steel strand wires are easily put into the area enclosed by the clamping piece, the clamping piece is moved to the small-diameter section of the taper hole section when stressed, the small-diameter end of the clamping piece is locked to clamp the steel strand wires tightly, the diameter of the sleeve can be designed to be smaller than that of the riveting hole, therefore, a cable formed by a plurality of groups of steel strand wires can be easily and directly pulled out of the riveting hole, the clamping piece moves to the large-diameter section of the taper hole section, the small-diameter end of the clamping piece is opened, the steel strand wires are pulled out, and cable penetrating of the cable is completed. The technology discloses a reeving device capable of quickly fixing the end of a steel strand, wherein the steel strand is locked by the small-diameter end of a clamping piece under pressure, the steel strand is tightly hooped, and can inevitably be twisted in the process of connection or reeving, once the twisting cannot be adjusted, the steel strand can bear the twisting stress after being tensioned, and the service fatigue of the steel strand is increased.
Disclosure of Invention
The utility model aims to solve the technical problem that a reeving device that can prevent steel strand wires from taking place to twist is provided at the reeving in-process to above-mentioned prior art.
The utility model provides a technical scheme that above-mentioned problem adopted does: an anti-twisting cable penetrating device comprises a connecting rod, a connector cap I, a connector, a joint length head and a connector cap II, wherein the rear part of the connecting rod extends into the front end of the connector, the connector cap I is locked at the front end of the connector, the connecting rod forwards penetrates out of the connector cap I, and one or more bearings are sleeved around the connecting rod extending into the connector to enable the connecting rod to rotate in the connector; the front end of the joint long head extends into the rear end of the connector and is fixed, the rear end of the joint long head is provided with a deep hole for inserting a pier head steel strand, the connector cap II is locked at the rear end of the joint long head, and the steel strand penetrates through the connector cap II.
Preferably, a gasket is arranged in the connector, and the rear end of the connecting rod extending into the connector is abutted with the gasket in a front-back manner to form a limit for pushing the connecting rod backwards.
Preferably, the connecting rod extending into the connector is formed with one or more positioning steps at which one or more of said bearings are located, thereby preventing the bearing from moving.
In another preferred mode, one or more positioning steps are arranged on the inner wall of the connector, and one or more bearings sleeved on the connecting rod are located at the positioning steps, so that the bearings are installed and positioned.
Preferably, the port at the rear end of the connector is shaped as a bayonet extending towards the central axis of the connector, the bayonet being snap-fitted back and forth with a recess in the outer wall of the extension head to prevent the front end of the extension head from coming out of the rear end of the connector.
The connecting rod plays the effect of pulling, bears great pulling force at the reeving in-process, ensures the reliable fixed of connecting rod and connector and is especially important. The end part of the connecting rod extending into the connector is formed into a thick head, the transition part of the thick head connecting rod body forms an end face, the inner wall of the connector is formed into a limiting step, the step face of the limiting step is opposite to the end face of the thick head, and a bearing is arranged between the step face of the limiting step and the end face of the thick head. The clamping in the front and back aspect can be realized through the setting of thick head and spacing step, prevents that the connecting rod from deviating from forward.
Compared with the prior art, the utility model has the advantages of: the anti-twisting cable penetrating device is characterized in that the connecting rod is movably arranged in the connector, and in the cable penetrating process, the connecting rod and the connector can rotate relatively according to the twisting condition, so that the twisting stress of a steel strand is reduced or eliminated.
Drawings
FIG. 1 is an external view of a reeving device according to an embodiment of the present invention;
fig. 2 is a structural sectional view of a reeving device according to an embodiment of the present invention.
In the figure, a connecting rod 1, a connector cap I2, a connector 3, an extension head 4, a connector cap II5, a steel strand 6, a bearing 7, a gasket 8 and a thick head 101.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 and 2, the present embodiment discloses a reeving device, which can prevent the reeving process from causing torsional stress to the steel strand. Structurally, including connecting rod 1, connector block I2, connector 3, extension head 4, connector block II5, the rear portion of connecting rod 1 stretches into the front end of connector 3, through connector block I2 locking connector 3 front end, set up the perforation on the connector block I, connecting rod 1 passes connector block I's the perforation connector block I of connector block I, stretch into connector 3 partial connecting rod 1 around the cover establish four bearings 7, four bearings 7 are fixed at connector 3 inner wall, make connecting rod 3 can rotate relatively in connector 3.
In order to avoid pushing the rear end of the connecting rod 1 backwards, a gasket 8 is arranged in the connector, and the end part of the connecting rod 1 is propped against the gasket 8 from front to back to form the limit of the pushing of the connecting rod 1 backwards. And the end part of the connecting rod 1 extending into the connector 3 is shaped into a thick head 101, the surface of the thick head 101 is shaped into a multi-stage step, and the gasket 8 is abutted against one step end face matched with the middle position. The end 101 and the transition portion of the connecting rod body also form a step end face, correspondingly, a plurality of limiting steps are formed on the inner wall of the connector, and the bearing 7 is correspondingly arranged on the limiting steps on the inner wall of the connector 3, so that the bearing 7 is positioned, and the bearing 7 is prevented from sliding.
The front end of the extension head 4 extends into the rear end of the connector 3, and the port at the rear end of the connector 3 is formed as a bayonet extending toward the center axis of the connector, and the bayonet is tightly engaged with the concave portion on the outer wall of the extension head, so that the extension head 4 and the connector 3 are fixedly connected. The rear end of the extension head 4 is provided with a deep hole for inserting the pier head steel strand 6, the connector cap II5 is locked at the rear end of the extension head 4 to lock the steel strand 6 in the extension head 4, and the steel strand penetrates through the connector cap II.
During operation, the connector cap II is unscrewed from the end part of the extension head 4 to expose the deep hole, the connector cap II is firstly sleeved on the steel strand 6, then the pier head end of the steel strand 6 is inserted into the deep hole of the extension head 4, and then the connector cap II is screwed on the extension head 4. Because the connecting rod 1 is movable in the connector 3, namely can freely rotate relative to the connector, the torsional stress can be released in time in the cable threading process, and the steel strand is prevented from twisting.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides an anti-twist reeving device which characterized in that: the connecting rod is locked at the front end of the connector, the connecting rod penetrates out of the connector cap I forwards, and one or more bearings are sleeved around the connecting rod extending into the connector to enable the connecting rod to rotate in the connector;
the front end of the joint long head extends into the rear end of the connector and is fixed, the rear end of the joint long head is provided with a deep hole for inserting a pier head steel strand, the connector cap II is locked at the rear end of the joint long head, and the steel strand penetrates through the connector cap II.
2. The anti-twist reeving device of claim 1, wherein: a gasket is arranged in the connector, and the rear end of a connecting rod extending into the connector is abutted with the gasket in the front-back direction to form limit for pushing the connecting rod backwards.
3. The anti-twist reeving device of claim 1, wherein: one or more positioning steps are formed on the connecting rod extending into the connector, and one or more bearings are located at the positioning steps.
4. The anti-twist reeving device of claim 1, wherein: one or more positioning steps are arranged on the inner wall of the connector, and one or more bearings sleeved on the connecting rod are located at the positioning steps.
5. The anti-twist reeving device of claim 1, wherein: the port at the rear end of the connector is formed into a bayonet extending towards the central shaft of the connector, and the bayonet is clamped with the concave part on the outer wall of the extension head in a front-back manner.
6. The anti-twist reeving device of claim 1, wherein: the end part of the connecting rod extending into the connector is formed into a thick head, the transition part of the thick head connecting rod body forms an end face, the inner wall of the connector is formed into a limiting step, the step face of the limiting step is opposite to the end face of the thick head, and a bearing is arranged between the step face of the limiting step and the end face of the thick head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763379.XU CN210975552U (en) | 2019-05-26 | 2019-05-26 | Anti-twist cable penetrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763379.XU CN210975552U (en) | 2019-05-26 | 2019-05-26 | Anti-twist cable penetrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210975552U true CN210975552U (en) | 2020-07-10 |
Family
ID=71458626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920763379.XU Active CN210975552U (en) | 2019-05-26 | 2019-05-26 | Anti-twist cable penetrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210975552U (en) |
-
2019
- 2019-05-26 CN CN201920763379.XU patent/CN210975552U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100507177C (en) | Cable reeving device and its reeving method | |
| US8375527B1 (en) | Actuated wedge socket assembly | |
| CN105874120A (en) | Rope end-fastening method, rope with end fastener, and end fitting for use in rope end-fastening method | |
| CN101603353A (en) | A kind of composite anchorage that is used for anchoring multiple fibre reinforced plastic twisted wire muscle or drag-line | |
| CN202202483U (en) | Anti-loose self anchor connector | |
| CN202012075U (en) | Fast connection device of prestressed concrete pipe pile | |
| CN113585631A (en) | Continuous curved conical composite anchor device and method for multi-beam carbon fiber parallel inhaul cable | |
| CN210975552U (en) | Anti-twist cable penetrating device | |
| CN106401196A (en) | Steel strand tensioning device for pre-stressed anchorage device | |
| CN102587572A (en) | Steel strand stay rope and manufacturing method thereof | |
| CN204475874U (en) | A kind of novel pre-stressed steel strand draw-gear | |
| CN203281765U (en) | Special tool for stay wire making | |
| CN103264125B (en) | Tool for manufacturing stay wire | |
| CN110184931A (en) | A kind of self-locking prestress wire lashing auxiliary device | |
| CN210031791U (en) | Anchor cable hole bottom reverse traction device | |
| CN207761302U (en) | One kind can be used in turn anchor pole tension tool | |
| CN215519505U (en) | Continuous curved conical composite anchor for multi-beam carbon fiber parallel inhaul cable | |
| CN202519876U (en) | Steel strand inhaul cable | |
| CN106639330B (en) | Integral traction connecting device for prestressed steel strand bundles and application method of integral traction connecting device | |
| CN206075848U (en) | Steel core heat-resisting aluminium alloy twisted wire | |
| CN201258946Y (en) | Wire rope end connecting structure | |
| CN212248232U (en) | End assembly for recovering prestressed anchor cable | |
| CN211599918U (en) | Effective rotation-preventing tractive head of inside lining | |
| CN211173152U (en) | Large-diameter steel pull rod tensioning tool without adjusting sleeve | |
| CN109944241B (en) | Anchor cable hole bottom reverse traction device and anchor cable installation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |