CN113152793B - Clamping device for clamping piece type anchorage device - Google Patents
Clamping device for clamping piece type anchorage device Download PDFInfo
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- CN113152793B CN113152793B CN202110433532.4A CN202110433532A CN113152793B CN 113152793 B CN113152793 B CN 113152793B CN 202110433532 A CN202110433532 A CN 202110433532A CN 113152793 B CN113152793 B CN 113152793B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 7
- 210000002421 cell wall Anatomy 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
- E04C5/122—Anchoring devices the tensile members are anchored by wedge-action
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The application relates to a clamping piece formula closing device for ground tackle, including base, offset piece, screw rod and drive spiral shell piece, the base runs through and is provided with the logical groove of stepping down, the offset piece slides along the direction of running through that the groove led to the groove of stepping down and sets up on the logical groove cell wall of stepping down, the offset piece runs through along the direction of running through that the groove led to the stepping down and is provided with the through-wire groove, the screw rod rotates and sets up on the base, drive spiral shell piece threaded connection is on the screw rod, the periphery wall and the offset piece of drive spiral shell piece are connected, set up fixed length drive assembly on the base, fixed length drive assembly is used for driving screw rod when drawing steel strand wires to specified length and rotates. This application can improve the convenience of ground tackle construction.
Description
Technical Field
The utility model relates to a field of ground tackle construction especially relates to a clamping piece formula closing device for ground tackle.
Background
The anchorage device is a permanent anchorage device used in prestressed concrete, and can maintain the tensile force of the prestressed tendon and transmit the tensile force to the interior of the concrete; the anchor construction process mainly utilizes the tension of the steel strand to insert the clamping piece into the anchor hole and then anchor the steel strand.
Chinese patent No. CN108625297B discloses a clamp working clamp pressing device for a clamp prestressed anchorage, which comprises an extension limiting sleeve, a clamp push post, a micro jack and a push working sleeve, and the use process only comprises the steps of device installation, tensioning, clamp pressing, releasing, detaching and the like, wherein in the step of clamp pressing, after a steel strand is tensioned in place, the steel strand is kept in a tensioned state, so that several micro jacks work together to push the fin and the clamp push post to press the clamp, thereby pressing the working clamp, i.e. pressing the clamp in a working anchorage hole, and positioning the working clamp.
In view of the above-mentioned related art, the inventor believes that it is troublesome to additionally operate a micro jack when positioning the working clip.
Disclosure of Invention
In order to improve the convenience of ground tackle construction, this application provides a clamping piece formula closing device for ground tackle.
The application provides a pair of clip formula closing device for ground tackle adopts following technical scheme:
the utility model provides a clamp piece formula closing device for ground tackle, includes the base, pushes away to piece, screw rod and drive spiral shell piece, the base runs through and is provided with the logical groove of stepping down, it slides along the direction of running through that leads to the groove of stepping down and sets up on the logical groove cell wall of stepping down to push away to the piece, it runs through along the direction of running through that leads to the groove of stepping down to push away to support the piece and is provided with the through-wire groove, the screw rod rotates and sets up on the base, drive spiral shell piece threaded connection is on the screw rod, the periphery wall and the push away of drive spiral shell piece are connected, set up fixed length drive assembly on the base, fixed length drive assembly is used for driving screw rod when drawing steel strand wires to regulation length and rotates.
Through taking above-mentioned technical scheme, logical groove and through-wire groove of stepping down provide the removal space for the steel strand wires, and fixed length drive assembly can be by automatic start after straightening the steel strand wires regulation length moreover, and the screw rod can take place to rotate this moment for carry out the screw thread between screw rod and the drive spiral shell piece and feed, drive spiral shell piece can drive and push away the piece and remove, makes and pushes away in the piece can push the work anchorage device with the work clamping piece, thereby this application can effectively improve the convenience of anchorage device construction.
Optionally, fixed length drive assembly includes the driving seat, links rope and buffer roll, the driving seat slides along the slip direction who pushes away the support piece and sets up on the base, be provided with the drive chamber in the driving seat, the buffer roll rotates and sets up between the relative chamber wall in drive chamber, the buffer roll axis is perpendicular with the screw rod axis, it is provided with the wire groove to run through on the chamber wall in drive chamber, linkage rope one end fixed connection is on the buffer roll, stretch out the wire groove after establishing the buffer roll at the other end of linkage rope, be provided with the switching-over piece between driving seat and the screw rod, be provided with the setting element on the base, the setting element is used for spacing driving seat, be provided with the rewinding piece on the base, the rewinding piece is used for winding the linkage rope on the buffer roll.
By adopting the technical scheme, the jack pulls the steel strand and simultaneously pulls the linkage rope, and in the initial stage, the driving seat is fixed under the positioning action of the positioning piece, so that the buffer roller rotates along with the pulling of the linkage rope out of the driving seat until the steel strand is pulled to a specified length, the linkage rope at the moment completely falls off from the buffer roller, the linkage rope starts to generate pulling force on the buffer roller, the pulling force can be transferred to the driving seat, the positioning action of the positioning piece is overcome, the driving seat slides, and the reversing piece can convert the sliding action of the driving seat into the rotating action of the screw rod to promote the screw rod to rotate; meanwhile, the rewinding piece can rewind the linkage rope to the buffer roller again, so that the buffer roller is convenient to use next time.
Optionally, the switching-over piece includes drive pinion rack, drive gear, switching-over bevel gear and drive bevel gear, drive pinion rack sets up on the drive seat, drive gear rotates and sets up on the base, drive pinion rack and drive gear meshing, switching-over bevel gear fixed connection is on drive gear axle center lateral wall, drive bevel gear sets up on the screw rod periphery wall, drive bevel gear and switching-over bevel gear meshing.
Through adopting above-mentioned technical scheme, drive the seat and drive the drive pinion rack and slide, drive pinion rack and drive gear engagement, drive gear drives the rotation of switching-over bevel gear, and switching-over bevel gear can with drive bevel gear meshing, and drive bevel gear can drive the screw rod and rotate.
Optionally, the setting element includes location fixture block, slips and removes piece, gyration ring gear and slewing gear, be provided with the groove of sliding on the base, it is the elastic block and sets up on driving the seat to slip to remove the piece, the location fixture block sets up relatively on the relative lateral wall of the slip groove perpendicular to slip piece glide direction, two form transition passageway between the location fixture block, transition passageway is less than the width that the natural state slipped the piece and removed the piece and follow self glide direction along the width of bevel gear with the slip piece glide direction, slewing gear sets up on the end wall of screw rod, gyration ring gear rotates and sets up on the base, gyration ring gear is located abdicating logical groove week side, gyration ring gear meshes with slewing gear.
By adopting the technical scheme, when the driving seat is not subjected to a large enough pulling force, namely the steel strand is not pulled to a specified length, the positioning clamping block limits the sliding block, and the driving seat cannot slide; when the linkage rope generates a large enough pulling force on the driving seat, the sliding block can elastically deform and pass through the positioning fixture block, so that the driving seat slides; meanwhile, the rotary gear ring is rotated, so that the rotary gear drives the screw to rotate reversely, the driving screw block drives the pushing block to return to the original position, and meanwhile, the reversing piece can drive the driving seat to return to the initial position.
Optionally, the rewinding piece comprises a rewinding coil spring and a straight block, the rewinding coil spring is arranged between the buffer roller and the wall of the driving cavity, the straight block is arranged on the outer side wall of the driving seat and located on the peripheral side of the wire outlet groove, the straight block is provided with a straight groove opposite to the wire outlet groove in a penetrating mode, and the linkage rope penetrates through the straight groove and abuts against the wall of the straight groove.
By adopting the technical scheme, the recoil coil spring is stretched while the buffer roller rotates, so that the recoil coil spring can drive the buffer roller to rotate after the linkage rope is not applied with force, and the linkage rope can be wound on the buffer roller again; the straight groove of straight piece leads the linkage rope simultaneously for the linkage rope is located the part between straight piece and the buffer roller and keeps straight, makes the linkage rope stably around establishing on the buffer roller.
Optionally, a feed screw groove is formed in the side wall, connected with the buffer roller, of the driving cavity, a feed screw block is arranged on the axial end wall of the buffer roller, and the feed screw block is in threaded rotation connection with the groove wall of the feed screw groove.
Through adopting above-mentioned technical scheme, when the buffer roll rotated, because feed the thread connection of thread groove and feed the spiral shell piece, the buffer roll can take place the displacement in the axial to the linkage rope can be around establishing on the buffer roll along the axial round of circle of buffer roll, has reduced piling up and knotting of linkage rope.
Optionally, the buffering roller periphery wall is gone up to slide along the axial and is provided with lets the position ring, the recoil spring is connected and is let between position ring periphery wall and the drive chamber wall.
By adopting the technical scheme, the abdicating ring does not rotate, so that the work of the recoil spring cannot be influenced, and meanwhile, the abdicating ring and the buffer roller can generate axial relative displacement, so that when the buffer roller moves along the axial direction, the abdicating ring can be kept in the original position to be still by means of relative sliding between the abdicating ring and the buffer roller, and the influence on the recoil spring is reduced.
Optionally, the driving screw block slides along the axial direction of the screw rod and is disposed on the base, a seating block is disposed at one end, close to the abutting block, of the driving screw block, a thread groove is formed in a side wall, far away from the driving screw block, of the seating block, one end, close to a clamping piece matched with the pressing device, of the thread groove penetrates through the seating block, and the abutting block is in threaded connection with a wall of the thread groove.
Through adopting above-mentioned technical scheme, realize pushing against the piece and drive the removable connection of spiral shell piece to can be according to the actual conditions of construction, select the piece that pushes against of suitable specification.
Optionally, the linkage rope includes fixed rope and replacement rope, fixed rope and buffer roller fixed connection, the one end of replacement rope is passed through the connecting piece and is connected with the one end that buffer roller was kept away from to fixed rope, the wire-out groove is stretched out to the one end that fixed rope was kept away from to the replacement rope.
By adopting the technical scheme, the replacement rope with a proper length can be selected according to the elongation length of the steel strand.
Optionally, the connecting piece includes first connecting block, second connecting block, joint bar, tapered end and locking piece, the one end of buffer roll is kept away from at fixed rope to first connecting block setting, the one end that the rope is close to fixed rope is being changed in the setting of second connecting block, perpendicular to self length direction's direction butt is followed to first connecting block and second connecting block, all run through on first connecting block and the second connecting block and be provided with relative connecting groove, connecting groove and joint bar one-to-one set up, the joint bar has two at least, the homonymy one end of joint bar is connected with the connecting plate, the joint bar is worn to establish at connecting inslot, the one end that the connecting plate was kept away from to the joint bar stretches out connecting groove and is connected with the tapered end, the locking piece is connected with the tapered end joint.
Through adopting above-mentioned technical scheme, the joint calliper pole passes and connects logical groove to make behind tapered end and the jam plate joint, can be so that joint calliper pole, connecting plate and jam plate by spacing together, thereby connect the cardboard and can be spacing together first connecting block and second connecting block, can realize changing the dismantlement of rope and fixed rope and connect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the steel strand is pulled to a specified length, the fixed-length driving assembly can automatically drive the screw to rotate, so that the pushing and abutting block pushes the working clamping piece, and construction is more convenient and rapid;
2. according to the fixed-length driving assembly, the linkage rope is used as a driving source, and the jack pulls the linkage rope while pulling the steel strand, so that the rotation of the screw rod is automatically driven, an extra power source is not needed, and the fixed-length driving assembly is convenient and quick;
3. this application can be according to actual conditions, changes the change rope of suitable length for the closing device of this application can use in the operating mode of difference.
Drawings
Fig. 1 is a schematic structural diagram of a pressing device in an embodiment of the present application.
Fig. 2 is a partial sectional view showing the internal structure of the pressing device in the embodiment of the present application.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is an exploded view of a positioning member structure according to an embodiment of the present invention.
Fig. 6 is an exploded view of a connector structure embodying the embodiments of the present application.
Description of reference numerals: 1. a base; 11. a yielding through groove; 12. a first seating groove; 13. fixing grooves; 14. an accommodating chamber; 15. a guide through groove; 16. a seating block; 161. a thread groove; 17. matching with the through groove; 18. a substrate; 181. a sliding groove; 2. a pushing block; 21. a through wire groove; 3. a screw; 4. driving the screw block; 5. a supplemental ring; 51. a second seating groove; 6. a working anchor; 61. steel strand wires; 62. a wiring groove; 63. a working clamping piece; 7. a fixed-length drive assembly; 71. a driving seat; 711. a drive chamber; 712. a feed screw groove; 713. an outlet groove; 714. a strut; 715. a connecting shaft; 716. sliding the moving block; 72. a linkage rope; 721. fixing a rope; 722. replacing the rope; 73. a buffer roller; 731. feeding a screw block; 732. a first chute; 733. a first slider; 734. a carry ring; 74. a positioning member; 741. positioning a fixture block; 7411. a transition passage; 742. sliding the moving block; 743. a rotating toothed ring; 744. a rotary gear; 75. a reversing member; 751. a driving toothed plate; 752. a drive gear; 753. a reversing bevel gear; 754. a drive bevel gear; 76. a wrapping member; 761. a recoil spring; 762. a straight block; 7621. a straight groove; 8. a connecting member; 81. a first connection block; 82. a second connecting block; 821. connecting the through grooves; 83. connecting the clamping rod; 831. a connecting plate; 84. a lock head; 85. a locking block; 851. and is connected with the clamping groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a clamping piece type pressing device for an anchorage device.
As shown in fig. 1 and fig. 2, a pressing device for a clip type anchor, which comprises a base 1, a pushing block 2, a screw rod 3 and a driving screw block 4, wherein the base 1 is cylindrical and is provided with a yielding through groove 11 in an axial penetrating manner, a first seating groove 12 is formed in one axial end of the base 1, a supplement ring 5 is abutted to the first seating groove 12, one end, far away from the base 1, of the supplement ring 5 is provided with a second seating groove 51, a working anchor 6 is abutted to the groove wall of the second seating groove 51, a steel strand 61 is also penetrated and arranged on the working anchor 6 through a wire trough 62, and a fixing groove 13 for clamping a jack is formed in one end, far away from the working anchor 6, of the base 1.
As shown in fig. 2 and fig. 3, in the present embodiment, two accommodating cavities 14 are provided in the base 1, the accommodating cavities 14 are located at two sides of the base 1 and are arranged in one-to-one correspondence with the screws 3, the screws 3 are rotatably arranged between opposite cavity walls corresponding to the accommodating cavities 14, and the axial directions of the two screws 3 are the same as the axial direction of the base 1; the driving screw block 4 is in threaded connection with the outer peripheral wall of the screw rod 3, and the driving screw block 4 is in sliding connection with the cavity wall of the accommodating cavity 14 along the axial direction of the screw rod 3; a guide through groove 15 is penetratingly arranged on the cavity wall of the accommodating cavity 14 close to the yielding through groove 11, one end, extending out of the guide through groove 15, of the driving screw block 4 is integrally connected with a seating block 16, one side, far away from the driving screw block 4, of the seating block 16 is provided with a threaded groove 161, one end, close to the working anchorage device 6, of the threaded groove 161 penetrates through the seating block 16, the pushing and abutting block 2 is in threaded connection between the walls of the threaded groove 161 of the seating block 16, one end, far away from the working anchorage device 6, of the pushing and abutting block 2 is abutted against the wall of the threaded groove 161, a through groove 21 is penetratingly arranged on the pushing and abutting block 2 along the axial direction of the base 1, and the working clamping piece 63 cannot pass through the through groove 21; in the embodiment, a fixed-length driving assembly 7 is arranged on the base 1.
The steel strand 61 penetrates through the wiring groove 62, then the working clamping piece 63 is installed on the steel strand 61, the steel strand 61 sequentially penetrates through the supplement ring 5 and the wire passing groove 21, the steel strand 61 is pulled out through the abdicating through groove 11, the working anchorage device 6 is tightly propped against the first seating groove 12, the supplement ring 5 is tightly propped against the second seating groove 51, then a jack is installed at one end of the base 1, which is far away from the working anchorage device 6, the steel strand 61 is pulled, after the steel strand is pulled to a specified length, the fixed-length driving component 7 is started, the steel strand is continuously pulled, the fixed-length driving component 7 can push the push block 2 to move towards the working anchorage device 6, the push block 2 can push the working clamping piece 63 to move and be inserted into the wiring groove 62 of the working anchorage device 6, and finally, the jack, the base 1 and the supplement ring 5 are sequentially disassembled.
As shown in fig. 2 and 4, the fixed-length driving assembly 7 in this embodiment includes a driving seat 71, a linkage rope 72 and a buffer roller 73, the driving seat 71 and the screw rod 3 are arranged in a one-to-one correspondence, the driving seat 71 is slidably arranged on one side of the accommodating cavity 14 away from the working anchor 6 along the axial direction of the base 1, and a positioning member 74 is arranged in the base 1, and the positioning member 74 can limit the position of the driving seat 71; a driving cavity 711 is arranged in the driving seat 71, the driving cavity 711 is provided with a feeding screw groove 712 along the opposite side wall vertical to the axial direction of the screw rod 3, the two axial ends of the buffer roller 73 are integrally connected with a feeding screw block 731, and the feeding screw block 731 is in rotary threaded connection with the wall of the feeding screw groove 712, so that the buffer roller 73 can move along the axial direction vertical to the screw rod 3 while being rotatably arranged between the opposite cavity walls of the driving cavity 711; an outlet groove 713 penetrates through the wall of the driving cavity 711 far away from the working anchorage 6, and a matching through groove 17 opposite to the outlet groove 713 penetrates through one end of the accommodating cavity 14 far away from the working anchorage 6.
As shown in fig. 4, one end of the linkage rope 72 is fixedly connected to the buffer roller 73, the other end of the linkage rope 72 extends out of the wire outlet groove 713 and the matching through groove 17 after passing through the buffer roller 73, meanwhile, a reversing member 75 is arranged between the driving seat 71 and the screw rod 3, and a rewinding member 76 is further arranged on the base 1. When the steel strand is pulled, the jack pulls the linkage rope 72 together, in the initial stage, the linkage rope 72 slides off the buffer roller 73, the buffer roller 73 rotates, the positioning piece 74 fixes the driving seat 71 continuously, after the steel strand is straightened to a specified length, the linkage rope 72 is completely released from the buffer roller 73 to start generating a linear pulling force on the buffer roller 73, the positioning piece 74 is triggered to enable the driving seat 71 to slide, the reversing piece 75 can convert the sliding action of the driving seat 71 into the rotating action of the screw rod 3, the screw rod 3 and the driving screw block 4 can be subjected to thread feeding, and the pushing block 2 can move; after the completion of the operation, the driving base 71 is moved back to the initial position by the positioning member 74, and the link rope 72 is wound back again onto the buffer roller 73 by the winding member 76.
As shown in fig. 4, the reversing member 75 includes a driving toothed plate 751, a driving gear 752, a reversing bevel gear 753 and a driving bevel gear 754, the driving toothed plate 751 is fixedly connected to one side of the outer side wall of the driving seat 71 close to the abdicating through groove 11, a supporting rod 714 is arranged in the accommodating cavity 14, a connecting shaft 715 is rotatably arranged on the end wall of the supporting rod 714, the driving gear 752 is fixedly connected to one end of the connecting shaft 715 close to the driving seat 71 and is meshed with the driving toothed plate 751, the reversing bevel gear 753 is fixedly connected to one end of the connecting shaft 715 far away from the driving gear 752, the driving bevel gear 754 is arranged on the outer peripheral wall of the screw rod 3, and the driving bevel gear 754 is meshed with the reversing bevel gear 753. After the driving seat 71 moves, the driving toothed plate 751 is meshed with the driving gear 752, so that the connecting shaft 715 drives the reversing bevel gear 753 to rotate, and the reversing bevel gear 753 can be meshed with the driving bevel gear 754 to drive the screw rod 3 to rotate.
As shown in fig. 4, the rewinding element 76 includes a rewinding coiling spring 761 and a flat block 762, a first sliding slot 732 is provided on an outer peripheral wall of the buffer roller 73, a first sliding block 733 is slidably connected to the first sliding slot 732 along an axial direction of the buffer roller 73, an end of the first sliding block 733 extending out of the first sliding slot 732 is integrally connected to a abdicating ring 734, the rewinding coiling spring 761 is provided between an outer ring wall of the abdicating ring 734 and a wall of the driving cavity 711, the flat block 762 is integrally connected to an outer side wall of the driving seat 71 away from the working anchor 6 and located on an outer peripheral side of the outlet groove 713, a flat groove 7621 opposite to the outlet groove 713 is provided on the flat block 762, and the linking rope 72 passes through the flat groove 7621 and abuts against a groove wall of the flat groove 7621. Therefore, when the linkage rope 72 is pulled out of the driving seat 71, the recoil coil spring 761 is stretched, and at the same time, after a pulling force is applied to the linkage, the straightening block 762 straightens and corrects the linkage rope 72, the recoil coil spring 761 drives the buffer roller 73 to rotate, and the linkage rope 72 is wound on the buffer roller 73 again.
As shown in fig. 4 and 5, the positioning member 74 includes a positioning latch 741, a sliding block 742, slewing gear ring 743 and slewing gear 744, be provided with base plate 18 in the accommodation chamber 14, be provided with the sliding groove 181 along the screw rod 3 axial on the base plate 18, the piece 742 of walking that slides is elastic block and an organic whole connects on drive seat 71, the one end that the piece 742 of walking far away from drive seat 71 that slides and is connected with the sliding groove 181 that slides, location fixture block 741 sets up on the relative lateral wall of sliding groove 181 perpendicular to the screw rod 3 axial relatively, form transition passageway 7411 between two location fixture blocks 741, the width that the transition passageway 7411 slided the direction with the piece 742 along the awl tooth is less than the width that the natural state slided the piece 742 along self sliding direction, slewing gear 744 fixed connection is on the end wall of the one end that the working mould was kept away from to screw rod 3, slewing gear ring 743 rotates and sets up in the one side cell wall that the logical groove 11 of stepping down kept away from the working mould, the ring outer wall of slewing gear ring 743 stretches into accommodation chamber 14 and meshes with two slewing gears 744. Therefore, in the process that the linkage rope 72 slides down from the buffer roller 73, the limiting function of the sliding block 742 and the positioning fixture 741 is received, the driving seat 71 cannot move, and only after the linkage rope 72 generates tension on the driving seat 71 through the buffer rope, the sliding block 742 is elastically deformed and passes through the positioning fixture 741, and the driving seat 71 moves; when the driving seat 71 needs to be restored, the rotary gear 743 is rotated to rotate the rotary gear 744, so that the screw 3 can be reversely rotated, and the driving seat 71 can return to the original position while the pushing block 2 returns to the original position.
As shown in fig. 5 and 6, in the present embodiment, the linkage rope 72 includes a fixed rope 721 and a replacement rope 722, the fixed rope 721 is fixedly connected to the buffer roller 73, one end of the replacement rope 722 is connected to one end of the fixed rope 721 away from the buffer roller 73 through the connecting member 8, and one end of the replacement rope 722 away from the fixed rope 721 extends out of the outlet groove 713. So that the replacement rope 722 of an appropriate length can be selected according to the pulling length of the steel strand 61.
As shown in fig. 6, the connecting member 8 includes a first connecting block 81, a second connecting block 82, a connecting rod 83, a lock head 84 and a locking block 85, the first connecting block 81 is integrally connected to one end of the fixing rope 721 away from the buffer roller 73, the second connecting block 82 is integrally connected to one end of the replacing rope 722 close to the fixing rope 721, the first connecting block 81 and the second connecting block 82 are abutted along the thickness direction thereof, opposite connecting through grooves 821 are respectively arranged on the first connecting block 81 and the second connecting block 82 in a penetrating manner, the connecting through grooves 821 and the connecting rod 83 are arranged in a one-to-one correspondence manner, at least two connecting rods 83 are provided, in this embodiment, two connecting rods 83 are provided, one end of each of the two connecting rods 83 is connected with a connecting plate 831, the connecting rod 83 is arranged in the connecting through groove 821, one end of the connecting rod 83 away from the connecting plate 831 extends out of the connecting through groove 821, the lock head 84 is a tapered head and is integrally connected with one end of the connecting rod 83 extending out of the connecting rod 821, the locking block 85 is provided with a connecting slot 851, the connecting slot 851 is a tapered slot, and the slot wall is clamped with the locking head 84. Therefore, the first connecting block 81 is opposite to the second connecting block 82, the connecting clamping rod 83 penetrates through the connecting through groove 821, the lock head 84 is clamped with the locking block 85, connection between the first connecting block 81 and the second connecting block 82 can be achieved, connection between the fixing rope 721 and the replacing rope 722 is achieved, and meanwhile, in the embodiment, after the replacing rope 722 is connected with the fixing rope 721, the connecting piece 8 does not protrude out of the outer peripheral wall of the linkage rope 72 on the whole.
The application principle of the pressing device for the clip type anchorage device in the embodiment of the application is as follows: installing the steel strand 61 and the working clamping piece 63, enabling the working anchorage device 6 to be tightly abutted to the supplement ring 5, then enabling the base 1 to be tightly abutted to the supplement ring 5, then installing a jack on the base 1, enabling the jack to simultaneously pull the steel strand 61 and the linkage rope 72, and enabling the buffer roller 73 to rotate. After the steel strand is pulled to a specified length, the linkage rope 72 completely falls off from the buffer roller 73, the linkage rope 72 pulls the buffer roller 73, the steel strand is pulled continuously, the sliding block 742 passes through the positioning fixture block 741, the driving seat 71 slides, the driving toothed plate 751 is meshed with the driving gear 752, so that the connecting shaft 715 drives the reversing bevel gear 753 to rotate, the reversing bevel gear 753 can be meshed with the driving bevel gear 754 to drive the screw rod 3 to rotate, the driving screw block 4 drives the abutting block 2 to move towards the working anchorage device 6, the abutting block 2 can drive the working clamping piece 63 to move and be inserted into the wiring groove 62 of the working anchorage device 6, finally, the jack, the base 1 and the supplement ring 5 are disassembled in sequence, at the moment, the linkage rope 72 is rotated onto the buffer roller 73 again by the winding coil spring 761, and the rotary toothed ring 743 is rotated, so that the driving seat 71 returns to the initial position.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a clamping piece formula closing device for ground tackle which characterized in that: the steel strand pushing device comprises a base (1), a pushing and supporting block (2), a screw rod (3) and a driving screw block (4), wherein a yielding through groove (11) is arranged in the base (1) in a penetrating mode, the pushing and supporting block (2) is arranged on the wall of the yielding through groove (11) in a sliding mode along the penetrating direction of the yielding through groove (11), a through groove (21) is arranged in the pushing and supporting block (2) in a penetrating mode along the penetrating direction of the yielding through groove (11), the screw rod (3) is arranged on the base (1) in a rotating mode, the driving screw block (4) is connected to the screw rod (3) in a threaded mode, the outer peripheral wall of the driving screw block (4) is connected with the pushing and supporting block (2), a fixed-length driving component (7) is arranged on the base (1), and the fixed-length driving component (7) is used for driving the screw rod (3) to rotate when a steel strand (61) is pulled to a specified length;
the fixed-length driving assembly (7) comprises a driving seat (71), a linkage rope (72) and a buffer roller (73), the driving seat (71) slides along the sliding direction of the pushing and supporting block (2) and is arranged on the base (1), a driving cavity (711) is arranged in the driving seat (71), the buffer roller (73) rotates and is arranged between the relative cavity walls of the driving cavity (711), the axis of the buffer roller (73) is vertical to the axis of the screw rod (3), a wire outlet groove (713) is arranged on the cavity wall of the driving cavity (711) in a penetrating manner, one end of the linkage rope (72) is fixedly connected onto the buffer roller (73), the other end of the linkage rope (72) stretches out the wire outlet groove (713) after passing through the buffer roller (73), a reversing piece (75) is arranged between the driving seat (71) and the screw rod (3), a positioning piece (74) is arranged on the base (1), and the positioning piece (74) is used for limiting the driving seat (71), a rewinding piece (76) is arranged on the base (1), and the rewinding piece (76) is used for winding the linkage rope (72) on the buffer roller (73);
the reversing piece (75) comprises a driving toothed plate (751), a driving gear (752), a reversing bevel gear (753) and a driving bevel gear (754), the driving toothed plate (751) is arranged on the driving seat (71), the driving gear (752) is rotationally arranged on the base (1), the driving toothed plate (751) is meshed with the driving gear (752), the reversing bevel gear (753) is fixedly connected to the axial side wall of the driving gear (752), the driving bevel gear (754) is arranged on the outer peripheral wall of the screw rod (3), and the driving bevel gear (754) is meshed with the reversing bevel gear (753);
the positioning piece (74) comprises positioning fixture blocks (741), a sliding block (742), a rotary toothed ring (743) and a rotary gear (744), a sliding groove (181) is formed in the base (1), the sliding block (742) is an elastic block and is arranged on the driving seat (71), the positioning fixture blocks (741) are oppositely arranged on opposite side walls of the sliding groove (181) perpendicular to the sliding direction of the sliding block (742), a transition channel (7411) is formed between the two positioning fixture blocks (741), the width of the transition channel (7411) along the sliding direction of the bevel gear and the sliding block (742) is smaller than the width of the natural sliding block (742) along the self sliding direction, the rotary gear (744) is arranged on an end wall of the screw rod (3), the rotary toothed ring (743) is rotatably arranged on the base (1), and the rotary toothed ring (743) is located in the abdicating through groove (11), the slewing gear ring (743) is meshed with a slewing gear (744);
the rewinding piece (76) comprises a rewinding coil spring (761) and a straight block (762), the rewinding coil spring (761) is arranged between the buffer roller (73) and the wall of the driving cavity (711), the straight block (762) is arranged on the outer side wall of the driving seat (71) and located on the peripheral side of the line outlet groove (713), a straight groove (7621) opposite to the line outlet groove (713) penetrates through the straight block (762), and the linkage rope (72) penetrates through the straight groove (7621) and abuts against the groove wall of the straight groove (7621).
2. The clamping device for a clip-type anchor according to claim 1, wherein: the side wall of the driving cavity (711) connected with the buffer roller (73) is provided with a feeding screw groove (712), the axial end wall of the buffer roller (73) is provided with a feeding screw block (731), and the feeding screw block (731) is in threaded rotary connection with the groove wall of the feeding screw groove (712).
3. The clamping device for a clip-type anchor according to claim 2, wherein: the outer peripheral wall of the buffer roller (73) is provided with a relief ring (734) in an axial sliding mode, and the recoil spring (761) is connected between the outer peripheral wall of the relief ring (734) and the wall of the driving cavity (711).
4. The clamping device for a clip-type anchor according to claim 1, wherein: the driving screw block (4) is arranged on the base (1) in a sliding mode along the axial direction of the screw rod (3), a seating block (16) is arranged at one end, close to the abutting block (2), of the driving screw block (4), a threaded groove (161) is formed in one side wall, away from the driving screw block (4), of the seating block (16), one end, close to a clamping piece matched with the pressing device, of the threaded groove (161) penetrates through the seating block (16), and the abutting block (2) is in threaded connection with the wall of the threaded groove (161).
5. The clamping device for a clip-type anchor according to claim 1, wherein: the linkage rope (72) comprises a fixed rope (721) and a replacing rope (722), the fixed rope (721) is fixedly connected with the buffer roller (73), one end of the replacing rope (722) is connected with one end, far away from the buffer roller (73), of the fixed rope (721) through a connecting piece (8), and one end, far away from the fixed rope (721), of the replacing rope (722) extends out of the wire outlet groove (713).
6. The clamping device for a clip-type anchor according to claim 5, wherein: the connecting piece (8) comprises a first connecting block (81), a second connecting block (82), connecting clamping rods (83), a lock head (84) and a locking block (85), the first connecting block (81) is arranged at one end, far away from the buffer roller (73), of the fixed rope (721), the second connecting block (82) is arranged at one end, close to the fixed rope (721), of the replacing rope (722), the first connecting block (81) and the second connecting block (82) are abutted in a direction perpendicular to the length direction of the first connecting block and the second connecting block, opposite connecting through grooves (821) are formed in the first connecting block (81) and the second connecting block (82) in a penetrating mode, the connecting through grooves (821) are arranged in one-to-one correspondence with the connecting clamping rods (83), the connecting clamping rods (83) are at least two, one end, at the same side of the connecting clamping rods (83) is connected with a connecting plate (831), and the connecting clamping rods (83) penetrate through the connecting through grooves (821), one end of the connecting clamping rod (83) far away from the connecting plate (831) extends out of the connecting through groove (821) and is connected with the lock head (84), and the lock block (85) is clamped with the lock head (84).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110433532.4A CN113152793B (en) | 2021-04-19 | 2021-04-19 | Clamping device for clamping piece type anchorage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110433532.4A CN113152793B (en) | 2021-04-19 | 2021-04-19 | Clamping device for clamping piece type anchorage device |
Publications (2)
| Publication Number | Publication Date |
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| CN113152793A CN113152793A (en) | 2021-07-23 |
| CN113152793B true CN113152793B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110433532.4A Expired - Fee Related CN113152793B (en) | 2021-04-19 | 2021-04-19 | Clamping device for clamping piece type anchorage device |
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| CN103376231A (en) * | 2012-04-13 | 2013-10-30 | 中国核工业第二二建设有限公司 | Friction test adjustable limiting device |
| CN203373906U (en) * | 2013-07-25 | 2014-01-01 | 长沙理工大学 | Prestressed tendon anchorage device capable of being freely regulated and controlled at high precision |
| CN103967008A (en) * | 2014-04-04 | 2014-08-06 | 山东正元建设工程有限责任公司 | Clip type pre-stress anchor cable active clip feeding and tension locking device and use method |
| CN106401196A (en) * | 2016-11-03 | 2017-02-15 | 安徽金星预应力工程技术有限公司 | Steel strand tensioning device for pre-stressed anchorage device |
| CN211947962U (en) * | 2020-04-22 | 2020-11-17 | 顿明 | Prestressed anchorage utensil is used in road bridge construction |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120116041A (en) * | 2011-04-12 | 2012-10-22 | 주식회사 일원테크 | Steel wire anchorage for prestredssed girder |
| CN105862608B (en) * | 2016-05-20 | 2017-09-19 | 东南大学 | The automation tensioning system and method for a kind of pre-stress fibre plate reinforcing slab plate |
| CN212742658U (en) * | 2020-06-05 | 2021-03-19 | 河北麒麟建筑科技发展有限公司 | Anchoring clamp for multiple steel bars |
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2021
- 2021-04-19 CN CN202110433532.4A patent/CN113152793B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376231A (en) * | 2012-04-13 | 2013-10-30 | 中国核工业第二二建设有限公司 | Friction test adjustable limiting device |
| CN203373906U (en) * | 2013-07-25 | 2014-01-01 | 长沙理工大学 | Prestressed tendon anchorage device capable of being freely regulated and controlled at high precision |
| CN103967008A (en) * | 2014-04-04 | 2014-08-06 | 山东正元建设工程有限责任公司 | Clip type pre-stress anchor cable active clip feeding and tension locking device and use method |
| CN106401196A (en) * | 2016-11-03 | 2017-02-15 | 安徽金星预应力工程技术有限公司 | Steel strand tensioning device for pre-stressed anchorage device |
| CN211947962U (en) * | 2020-04-22 | 2020-11-17 | 顿明 | Prestressed anchorage utensil is used in road bridge construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113152793A (en) | 2021-07-23 |
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