CN212714562U - Device for implementing steel strand intermediate connection tensioning - Google Patents
Device for implementing steel strand intermediate connection tensioning Download PDFInfo
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- CN212714562U CN212714562U CN202021340203.2U CN202021340203U CN212714562U CN 212714562 U CN212714562 U CN 212714562U CN 202021340203 U CN202021340203 U CN 202021340203U CN 212714562 U CN212714562 U CN 212714562U
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Abstract
The utility model belongs to the technical field of the stretch-draw equipment, especially for implementing the device of steel strand wires intermediate junction stretch-draw, the operation is comparatively complicated, be unfavorable for the problem of use when leading to changing to current steel strand wires stretch-draw device not be convenient for dismantle the ground tackle, the problem of being unfavorable for when leading to changing, the following scheme is put forward now, and it includes stretch-draw jack and ground tackle, stretch-draw jack one side fixed mounting has the sleeve, and sleeve movable sleeve establishes in the ground tackle outside, and ground tackle top and the equal fixed mounting in bottom have a connecting plate, transverse groove has all been seted up to sleeve one side top and one side bottom, and two connecting plates are respectively with the transverse groove front and back both sides inner wall swing joint that corresponds, and one side of two connecting plates respectively with one side inner wall activity butt of two transverse grooves. The utility model discloses be convenient for dismantle and install steel strand wires tensioning equipment's ground tackle to be convenient for carry out worse or maintain it, do benefit to the use.
Description
Technical Field
The utility model relates to a stretch-draw equipment technical field especially relates to implement device of steel strand wires intermediate junction stretch-draw.
Background
The existing tension construction of the external prestressed steel strand of the bridge is implemented at one end or two ends of the steel strand, and the tension construction method is suitable for the two ends of the steel strand and has sufficient construction space. The above method is not suitable for the case that the both ends of the steel strand do not have sufficient construction space or the tension at the both ends is not necessary. Through search, chinese patent with publication number CN206967347U discloses a method and device for implementing steel strand intermediate connection tensioning. The tool steel strand is arranged beside the middle section of the steel strand, the tool steel strand and the steel strand are connected into a whole at two ends of the tool steel strand through an open flat anchor and a corresponding anchoring device, one end or two ends of the tool steel strand are tensioned, a connector is adopted for connection after the tensioning is in place (only cable force is measured and connection is not needed), and the steel strand is subjected to tensioning force after the tensioning force of the tool steel strand is removed, so that the connection tensioning of the steel strand is realized. This kind of butt joint tensioning equipment has avoided the stretch-draw anchor problem that both ends stretch-draw exists, for stretch-draw in the middle of the steel strand provides new thinking, has solved the middle technical problem who only connects can not stretch-draw in traditional steel strand. The method can be applied to the fields of solving the problem of wire breakage of steel strand tensioning, more accurate single steel strand testing equipment, external prestress reinforcement, auxiliary tensioning prestress, realization of ultra-long external cable connection tensioning, compensation prestress of failure external cables, disconnection of connection tensioning of steel strand cables and the like. The application field of the prestressed steel strand is greatly expanded.
Carry out the anchor through the ground tackle to the steel strand wires in the above-mentioned design to stretch-draw through stretch-draw jack, nevertheless because be not convenient for dismantle the ground tackle, the operation is comparatively complicated when leading to changing, is unfavorable for the use, therefore we have proposed the device of implementing steel strand wires intermediate junction stretch-draw and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing steel strand tensioning device is not convenient for detaching the anchorage device, is complicated in operation when leading to replacement, and is not beneficial to use, and the proposed device for tensioning the intermediate connection of the steel strand.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for implementing the intermediate connection tensioning of the steel strand comprises a tensioning jack and an anchorage device, wherein a sleeve is fixedly arranged on one side of the tensioning jack, the sleeve is movably sleeved on the outer side of the anchorage device, connecting plates are fixedly arranged on the top and the bottom of the anchorage device, transverse grooves are respectively formed in the top and the bottom of one side of the sleeve, the two connecting plates are respectively movably connected with the front inner wall and the rear inner wall of the corresponding transverse groove, one side of each connecting plate is respectively movably abutted against the inner wall of one side of each transverse groove, a vertical groove is respectively formed in the inner wall of one side, far away from each other, of the two transverse grooves, wedge-shaped baffles are respectively and slidably arranged in the two vertical grooves, one side of each wedge-shaped baffle is respectively movably abutted against the other side of the corresponding connecting plate, a connecting groove is respectively formed in one side, the clamping grooves are formed in the inner walls of two sides of the vertical grooves, the four clamping plates are movably clamped with the corresponding clamping grooves respectively, one side, close to each other, of each of the two clamping plates located on the same side of the anchor is connected with one end of a connecting rod in a rotating mode through a hinge, the other end, located on the same side of the anchor, of the two connecting rods is connected with the same sliding plate in a rotating mode through a hinge, threaded holes are formed in the tops of the two sliding plates, and threaded rods are.
Preferably, the equal fixed mounting in one end that two threaded rods kept away from each other has the pull ring, two pull rings respectively with sleeve top and bottom activity butt, be convenient for control two threaded rods and carry on spacingly to two threaded rods.
Preferably, the two connecting grooves are internally and fixedly provided with positioning plates, and the two positioning plates are respectively sleeved on the outer sides of the corresponding threaded rods in a rotating manner to position the two threaded rods.
Preferably, two threaded rod outside all fixed sleeves are equipped with spacing axle sleeve, and two spacing axle sleeves further carry on spacingly to two threaded rods with one side swing joint that two locating plates kept away from each other respectively.
Preferably, two wedge baffles keep away from the equal fixedly connected with reset spring's in one side one end each other, two reset spring's the other end respectively with the vertical inslot wall fixed connection who corresponds, reset two wedge baffles.
Preferably, the two wedge-shaped baffles are fixedly connected with one ends of the guide rods at one sides far away from each other, and the sleeve is sleeved outside the four guide rods in a sliding mode to guide the two wedge-shaped baffles.
In the utility model, the device for implementing the tension of the intermediate connection of the steel strand controls the rotation of the two threaded rods by holding the pull ring, the two threaded rods drive the two sliding plates to move towards one side away from each other through the thread matching with the two sliding plates, the two sliding plates respectively drive the two clamping plates positioned at the same side of the anchorage device to move towards one side close to each other through the two connecting rods, so that the four clamping plates are separated from the connection with the corresponding clamping grooves, thereby separating from the fixation of the two wedge-shaped baffles, then two pull rings are pulled to drive two threaded rods to move towards one side far away from each other, the two threaded rods respectively drive two wedge-shaped baffles to move towards one side close to each other through the connection of a limiting shaft sleeve and a positioning plate, so that the two wedge-shaped baffles are separated from the connection with the two connecting plates and compress a return spring, and then the anchorage device can be transversely moved to disassemble the anchorage device;
in the utility model, the device for implementing steel strand intermediate connection tensioning is characterized in that when the anchorage device is required to be installed, two connecting plates are aligned to two transverse grooves and the anchorage device is pushed to a tensioning jack, two wedge-shaped baffles reset to one side close to each other under the action of a reset spring, so that the two connecting plates are fixed by matching the two wedge-shaped baffles with a sleeve, the anchorage device is fixed, then two threaded rods are rotated to drive two sliding plates to move to one side close to each other, the two sliding plates drive two clamping plates positioned on the same side to move to one side far away from each other through two connecting rods and are clamped into corresponding clamping grooves to fix the wedge-shaped baffles, and thus the fixing stability of the anchorage device is improved;
the utility model has the advantages of reasonable design, be convenient for dismantle and install steel strand wires tensioning equipment's ground tackle to be convenient for go on spoiling or maintaining it, do benefit to the use, the reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of a device for implementing tension of the intermediate connection of the steel strand according to the present invention;
fig. 2 is a schematic structural diagram of a part a of the device for performing tension of the intermediate connection of the steel strand according to the present invention;
fig. 3 is a schematic structural diagram of a part B of the device for performing tension of the intermediate connection of the steel strand.
In the figure: 1. tensioning a jack; 2. an anchorage device; 3. a sleeve; 4. a connecting plate; 5. a transverse slot; 6. a vertical groove; 7. a wedge-shaped baffle; 8. a return spring; 9. a guide bar; 10. a threaded rod; 11. a pull ring; 12. connecting grooves; 13. clamping a plate; 14. a card slot; 15. a connecting rod; 16. a slide plate; 17. positioning a plate; 18. and a limiting shaft sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the device for implementing steel strand intermediate connection tensioning comprises a tensioning jack 1 and an anchorage device 2, wherein a sleeve 3 is fixedly arranged on one side of the tensioning jack 1, the sleeve 3 is movably sleeved on the outer side of the anchorage device 2, connecting plates 4 are fixedly arranged on the top and the bottom of the anchorage device 2, transverse grooves 5 are respectively arranged on the top and the bottom of one side of the sleeve 3, the two connecting plates 4 are respectively movably connected with the front and rear inner walls of the corresponding transverse grooves 5, one side of each of the two connecting plates 4 is respectively movably abutted against the inner wall of one side of each of the two transverse grooves 5, vertical grooves 6 are respectively arranged on the inner wall of the side, away from each other, of the two transverse grooves 5, wedge-shaped baffles 7 are respectively and slidably arranged in the two vertical grooves 6, one side of each of the two wedge-shaped baffles 7, horizontal holes have all been seted up on two 12 both sides inner walls of spread groove, four horizontal downthehole equal slidable mounting of hole have cardboard 13, draw-in groove 14 has all been seted up on 6 both sides inner walls of two vertical grooves, four cardboard 13 clamp with the draw-in groove 14 activity that corresponds respectively, it all is connected with the one end of connecting rod 15 through hinge rotation to be located 2 one sides that are close to each other of ground tackle 2 with two cardboard 13 of one side, it is connected with same slide 16 through hinge rotation to be located 2 other ends of two connecting rods 15 with one side of ground tackle, threaded hole has all been seted up at two slide 16 tops, equal slidable mounting has threaded.
The utility model discloses in, the equal fixed mounting of one end that two threaded rods 10 kept away from each other has pull ring 11, two pull rings 11 respectively with 3 tops of sleeve and bottom activity butt, be convenient for control two threaded rods 10 and carry on spacingly to two threaded rods 10.
The utility model discloses in, equal fixed mounting has locating plate 17 in two spread grooves 12, and two locating plates 17 rotate the cover respectively and establish in the threaded rod 10 outside that corresponds, fix a position two threaded rod 10.
The utility model discloses in, two threaded rod 10 outside all fixed covers are equipped with spacing axle sleeve 18, and two spacing axle sleeves 18 further carry on spacingly to two threaded rod 10 with one side swing joint that two locating plates 17 kept away from each other respectively.
The utility model discloses in, the equal fixedly connected with reset spring 8's in one side one end that two wedge baffles 7 kept away from each other one end, two reset spring 8's the other end respectively with the vertical 6 inner wall fixed connection in grooves that correspond, reset two wedge baffles 7.
The utility model discloses in, the one end of the equal fixedly connected with guide bar 9 in one side that two wedge baffles 7 kept away from each other, 3 slip covers of sleeve are established in the 9 outsides of four guide bars, lead to two wedge baffles 7.
In the utility model, when in use, the pull ring 11 is held by hand to control the rotation of the two threaded rods 10, the two threaded rods 10 drive the two sliding plates 16 to move towards one side away from each other through the screw-thread fit with the two sliding plates 16, the two sliding plates 16 respectively drive the two clamping plates 13 positioned at the same side of the anchorage device 2 to move towards one side close to each other through the two connecting rods 15, so that the four clamping plates 13 are separated from the connection with the corresponding clamping grooves 14, thereby separating from the fixation of the two wedge-shaped baffles 7, then the two pull rings 11 are pulled to drive the two threaded rods 10 to move towards one side away from each other, the two threaded rods 10 respectively drive the two wedge-shaped baffles 7 to move towards one side close to each other through the connection of the limiting shaft sleeves 18 and the positioning plate 17, so that the two wedge-shaped baffles 7 are separated from the connection with the two, when needs are installed ground tackle 2, through aligning two transverse groove 5 with two connecting plates 4 and push ground tackle 2 to tensioning jack 1, two wedge baffle 7 reset to the one side motion that is close to each other under reset spring 8's effect, thereby fix two connecting plates 4 through the cooperation of two wedge baffle 7 and sleeve 3, thereby fix ground tackle 2, then drive two slides 16 to the one side motion that is close to each other through rotatory two threaded rods 10, two slides 16 drive two cardboard 13 that lie in same one side through two connecting rods 15 and fix wedge baffle 7 in moving to the one side of keeping away from each other and the card income corresponding draw-in groove 14, thereby improve the stability fixed to ground tackle 2.
Claims (6)
1. A device for implementing steel strand intermediate connection tensioning comprises a tensioning jack (1) and an anchorage device (2) and is characterized in that a sleeve (3) is fixedly arranged on one side of the tensioning jack (1), the sleeve (3) is movably sleeved on the outer side of the anchorage device (2), connecting plates (4) are fixedly arranged on the top and the bottom of the anchorage device (2), transverse grooves (5) are respectively formed in the top and the bottom of one side of the sleeve (3), the two connecting plates (4) are respectively movably connected with the inner walls of the front side and the rear side of the corresponding transverse grooves (5), one sides of the two connecting plates (4) are respectively movably abutted against the inner walls of one sides of the two transverse grooves (5), vertical grooves (6) are respectively formed in the inner walls of one side, far away from each other, wedge-shaped baffles (7) are respectively slidably arranged in the two vertical grooves (6), one sides of the two wedge-shaped baffles (7) are respectively movably abutted against the other, spread groove (12) have all been seted up to one side that two wedge baffle (7) kept away from each other, horizontal hole has all been seted up on two spread groove (12) both sides inner wall, four horizontal downthehole equal slidable mounting have cardboard (13), draw-in groove (14) have all been seted up on two vertical groove (6) both sides inner walls, four cardboard (13) clamp with draw-in groove (14) activity that corresponds respectively, the one side that lies in ground tackle (2) and is close to each other with two cardboard (13) of one side all is connected with the one end of connecting rod (15) through the hinge rotation, the other end that lies in ground tackle (2) with two connecting rod (15) of one side is connected with same slide (16) through the hinge rotation, threaded hole has all been seted up at two slide (16) tops.
2. Device for performing tension on an intermediate connection of steel strands according to claim 1, characterized in that the ends of the two threaded rods (10) remote from each other are each fixedly provided with a pull ring (11), and the two pull rings (11) are movably abutted to the top and bottom of the sleeve (3), respectively.
3. The device for tensioning the middle connection of the steel strand according to claim 1, wherein the two connecting grooves (12) are fixedly provided with positioning plates (17), and the two positioning plates (17) are respectively rotatably sleeved outside the corresponding threaded rods (10).
4. Device for performing tension on an intermediate connection of a steel strand as in claim 1, characterized in that a limiting bushing (18) is fixedly sleeved on the outer side of each of the two threaded rods (10), and the two limiting bushings (18) are movably connected with the sides of the two positioning plates (17) away from each other.
5. Device for performing tension on an intermediate connection of a steel strand as in claim 1, characterized in that the sides of the two wedge-shaped baffles (7) facing away from each other are fixedly connected with one ends of return springs (8), and the other ends of the two return springs (8) are fixedly connected with the inner walls of the corresponding vertical grooves (6).
6. Device for performing tension on an intermediate connection of a steel strand according to claim 1, characterized in that one end of a guide rod (9) is fixedly connected to each of the sides of the two wedge-shaped baffles (7) which are away from each other, and the sleeve (3) is slidably arranged on the outer side of the four guide rods (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021340203.2U CN212714562U (en) | 2020-07-09 | 2020-07-09 | Device for implementing steel strand intermediate connection tensioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021340203.2U CN212714562U (en) | 2020-07-09 | 2020-07-09 | Device for implementing steel strand intermediate connection tensioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212714562U true CN212714562U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021340203.2U Active CN212714562U (en) | 2020-07-09 | 2020-07-09 | Device for implementing steel strand intermediate connection tensioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212714562U (en) |
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2020
- 2020-07-09 CN CN202021340203.2U patent/CN212714562U/en active Active
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