CN110725534A - Expansion joint inside and outside template clamping device - Google Patents
Expansion joint inside and outside template clamping device Download PDFInfo
- Publication number
- CN110725534A CN110725534A CN201911149260.4A CN201911149260A CN110725534A CN 110725534 A CN110725534 A CN 110725534A CN 201911149260 A CN201911149260 A CN 201911149260A CN 110725534 A CN110725534 A CN 110725534A
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- Prior art keywords
- hole
- sleeve
- rod
- interior
- clamping
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- 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/001—Corner fastening or connecting means for forming or stiffening elements
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- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/075—Tying means, the tensional elements of which are fastened or tensioned by other means
- E04G17/0755—Tying means, the tensional elements of which are fastened or tensioned by other means the element consisting of several parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an expansion joint inner and outer template clamping device which comprises a sleeve, wherein two strip-shaped holes are formed in the middle of the sleeve on a pipe body of the sleeve, inner tension rods are inserted into two ends of the sleeve respectively, the insertion ends of the inner tension rods are connected with two clamping rods and a containing groove used for containing the clamping rods in a hinged mode through hinged shafts in a hinged mode, a torsion spring capable of enabling the clamping rods to rotate outwards is sleeved on the hinged shafts, limiting parts are arranged on the clamping rods to enable the clamping rods to be in a vertical state, the two clamping rods penetrate through the strip-shaped holes respectively to enable the inner side faces of the two inner templates to be tensioned, inner tension screw sleeves are arranged on the inner tension rods in a threaded mode to limit the clamping rods, and outer tension screw sleeves are arranged on the sleeve in a threaded mode to clamp the outer side faces of. According to the invention, the inner and outer templates are respectively clamped by the clamping rod and the inner tightening screw sleeve, so that the construction difficulty is reduced, the templates are stably supported, and the concrete pouring quality is improved.
Description
Technical Field
The invention relates to a concrete supporting tool, in particular to a clamping device for an inner template and an outer template of an expansion joint.
Background
The traditional method for supporting the expansion joint between the residential unit buildings is to fill a polystyrene board at the expansion joint to separate a formwork or divide the formwork into two parts. The method for filling the polystyrene boards often causes the instability of a template system, and the expansion joints are filled with the polystyrene boards which are made of flexible materials, so that the template is easy to deviate in the concrete pouring process, and the problems of poor verticality and flatness are caused. Furthermore, the quality problem of the mold explosion can occur, concrete is wasted, a large amount of manual work is needed for processing, and materials and labor are wasted. Meanwhile, the template at the position of the expansion joint in the traditional method is very troublesome to dismantle, the damage to the template is very large, and a large amount of loss of the template is caused. The method of twice formwork erecting pouring can cause construction period waste, and meanwhile, the quality problems of poor wall perpendicularity and flatness occur during the second formwork erecting pouring.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a convenient, fixed firm expansion joint inside and outside template clamping device to the template simple to use.
In order to solve the technical problems, the invention adopts the following technical scheme:
a clamping device for an inner template and an outer template of an expansion joint comprises a sleeve, wherein two strip-shaped holes extending along the length direction are formed in the middle of the sleeve on a sleeve body, the two strip-shaped holes are symmetrically arranged by taking the central line of the sleeve as a symmetry axis, the length of each strip-shaped hole is larger than the distance between the two inner templates of the expansion joint to be supported, outer tightening threads are formed on the sleeve body and extend from two ends of the sleeve body towards the middle of the sleeve body along the length direction respectively, the outer tightening threads extend to the end parts of the strip-shaped holes on one side close to the outer tightening threads respectively, outer tightening screw sleeves used for abutting against the outer side surfaces of the outer templates of the expansion joint to be supported are in threaded fit with the outer tightening threads, inner tightening rods are respectively arranged at two ends of the sleeve, one end of each inner tightening rod is an insertion end and is inserted into the sleeve so as to be in sliding fit with the sleeve along the central line direction of the sleeve, two clamping rods are symmetrically, the diameter of the clamping rod is smaller than the width of the strip-shaped hole, a containing groove for containing the clamping rod is concavely arranged on the rod body of the inner tension rod and corresponds to the position of the clamping rod along the length direction of the inner tension rod, a hinged support is fixedly connected to the containing groove facing to the insertion end direction of the inner tension rod, the height of the hinged support is lower than the depth of the containing groove, one end of the clamping rod is hinged to the hinged support through a hinged shaft, the rotating plane of the clamping rod around the hinged support and the central line of the inner tension rod are positioned in the same plane, a limit stop block is convexly formed at one end of the clamping rod close to the hinged support, when the clamping rod rotates towards the insertion end direction of the inner tension rod and rotates until the central line of the clamping rod is vertical to the central line of the inner tension rod, the limit stop block can abut against the bottom of the containing groove to limit the rotation of the clamping rod, when the clamping rod rotates towards the bottom direction of, the cover is equipped with and to be able to rotate outwards so that limit stop provides the torsional spring of spring force at the holding tank bottom for the clamping bar, and the one end that the clamping bar kept away from the hinge can pass in the bar hole and stretch out outside the cover pipe, and the pole body of interior tension rod and keep away from its one end of inserting the end and extend along its length direction towards inserting the end and be formed with interior tension screw thread, and interior tension screw thread is gone up screw-thread fit has interior tension swivel nut in order to contradict and move towards the cover pipe at the inside tension rod of sleeve pipe tip and carry on spacingly.
When the expansion joint template is constructed, two inner templates positioned at the expansion joint and two outer templates positioned at the outer sides of the two inner templates are erected, and then clamping devices for the inner and outer templates of the expansion joint are installed on the outer sides of the outer templates at one side of the expansion joint in a longitudinally and transversely spaced arrangement mode;
when the clamping device for the inner and outer templates of the expansion joint is installed, the sleeve sequentially penetrates through the two outer templates and the two inner templates from the outer side of the outer template on one side along the direction vertical to the plane of the outer template, then extending out of the outer side of the outer template at the other side, adjusting the position of the sleeve pipe to ensure that two ends of the strip-shaped hole on the sleeve pipe along the length direction of the sleeve pipe respectively extend out of the outer sides of the two inner templates, then operating the inner tension rod at one end of the sleeve, rotating the two clamping rods at the inserting end of the inner tension rod into the accommodating groove, inserting the inserting end of the inner tension rod into the sleeve at one side of the inner tension rod, and when one end of the clamping rod at the inserting end of the inner tension rod, which is far away from the hinge shaft, is positioned at the position of the strip-shaped hole, the two clamping rods respectively rotate to penetrate through and extend out of the strip-shaped hole under the spring force of the torsion spring by rotating the inner tension rod, then screwing an inner tensioning threaded sleeve on the inner tensioning rod, and then installing another inner tensioning rod at the other end of the sleeve according to the method;
the outer tightening screw sleeves are screwed at the two ends of the sleeve respectively, the outer tightening screw sleeves are screwed to be abutted against the outer side surface of the outer template at one side, the relative positions of the outer tightening screw sleeves at the two ends are adjusted to limit the outward movement of the two outer templates, then the inner tightening screw sleeves are screwed to adjust the distance between the inner tightening screw sleeves and the corresponding clamping rods, the clamping rods are abutted against the side surfaces of the inner templates at one side, the inner tightening screw sleeves are abutted against the end portions of the sleeve at one side, and the inner templates are limited in the inward movement direction.
As the optimization, interior tension bar and the position that is located the holding tank bottom wear to be equipped with along the hole of dragging that interior tension bar radial direction extends, it is perforation to drag the hole, it can be followed its length direction rather than sliding fit's ring of dragging to overlap on pressing from both sides the tight pole, press from both sides the tight pole and keep away from the protruding spacing arch that is formed with in order can carry out spacingly to dragging the ring that is formed with of one end of hinge, spacing arch is kept away from press from both sides the one end of tight pole to press from both sides the farthest distance size of tight pole central line and be less than the external diameter size who drags the ring and be greater than the internal diameter size who drags the ring, when pressing from both sides tight pole and rotating to in the holding tank, drag the ring in order to hold in the holding tank, when dragging the ring hold in the holding tank and butt on spacing arch, drag the hole along its ascending projection of central line direction with drag the ring along dragging, the end, far away from the insertion end, of the inner tension rod is a dismounting end, an inner pull rope hole extends inwards along the central line direction of the inner tension rod on the dismounting end face of the inner tension rod, one end, far away from the dismounting end of the inner tension rod, of the inner pull rope hole is communicated with the pulling hole, a pull rope is fixedly connected to the pulling ring, and the other end of the pull rope penetrates through the inner pull rope hole through the pulling hole and extends out of the outer side of the dismounting end of the inner tension rod;
after the concrete on the side walls on two sides of the expansion joint is solidified, the inner tension rod is dismantled, the inner tension rod thread sleeve is twisted firstly to enable the inner tension rod thread sleeve to move towards the direction far away from the sleeve direction, then the inner tension rod is operated to extend towards the sleeve pipe, so that the clamping rod is separated from the inner template on one side where the clamping rod is located, the pull rope is pulled outwards, the pull rope drives the pull ring to slide towards the direction of the limiting protrusion on the clamping rod, in the process of pulling the ring to slide, the clamping rod can be driven to move towards the direction of the accommodating groove, until the clamping rod and the pull ring are accommodated in the accommodating groove, and then the inner tension rod is pulled outwards until the inner tension rod is pulled out from the sleeve pipe. After concrete pouring is completed, the templates need to be dismantled, and meanwhile, the clamping devices for the templates in and out of the expansion joint need to be dismantled. The sleeve pipe is buried in the concrete, can't take out, can only be through the mode of cutting, but interior tie rod can demolish alone and retrieve, has practiced thrift the cost, has improved recycle value.
Preferably, a circular ring is arranged on the outer side of the dismounting end of the inner tension rod, two connecting rings capable of moving along the length direction of the circular ring are sleeved on the ring of the circular ring, and two pull ropes on the same side are fixedly connected with the two connecting rings respectively. An operator can hook the circular ring by fingers, and the two pull ropes are conveniently pulled at the same time.
As optimizing, be located the outside of interior tension rod dismantlement end still is provided with the rubber buffer, and the rubber buffer wholly is round platform column structure, interior stay cord hole aperture is greater than rubber buffer minor diameter end diameter and is less than rubber buffer major diameter end diameter, and the rubber buffer has seted up tight hole of clamp along its central line direction, lie in with two stay cords of one side and stretch out in the rope body outside interior stay cord hole all wears from rubber buffer minor diameter end and excessively presss from both sides tight hole and stretches out outside rubber buffer major diameter end, when rubber buffer minor diameter end towards when interior stay cord downthehole stopper, the rubber buffer is in order to be to being located two in the tight hole of clamp the stay cord presss from both sides tightly. After pressing from both sides tight pole and being pulled in to the holding tank, keep the taut state of two stay cords, remove the rubber buffer, fill in the stay cord hole in with the rubber buffer minor diameter end, through the jam of rubber buffer, force the rubber buffer to take place to warp, press from both sides tightly to its inside two stay cords, just so can make press from both sides tight pole and keep holding in the holding tank, the installation of tight pole in the convenience.
As the optimization, be located the outside of interior tension bar dismantlement end still is provided with and presss from both sides tight end cover, press from both sides be provided with on the inside wall of tight end cover with interior tension screw thread screw-thread fit's presss from both sides tight screw thread, rubber buffer major diameter end diameter is less than and presss from both sides tight end cover hole diameter, presss from both sides tight end cover and has seted up the stay cord via hole along its central line direction at the end of the lid, and the diameter of stay cord via hole is less than rubber buffer major diameter end diameter is located two with one side the stay cord just is located the stay cord via hole is passed to the rope body in the rubber buffer outside, works as the rubber buffer is packed into in during interior stay cord hole, press from both sides tight end cover with can threaded connection in interior tension. In order to avoid the rubber plug from dropping off from the inner tensioning rod, the clamping end cover is moved after the rubber plug is plugged into the inner tensioning hole, the clamping thread on the side wall of the clamping end cover is in threaded connection with the inner tensioning rod, and the cover bottom of the clamping end cover is tightly abutted to the large-diameter end of the rubber plug through the rotary movement of the clamping thread on the side wall of the clamping end cover, so that the rubber plug can clamp a pull rope more tightly, and the dropping off of the rubber plug is avoided.
In conclusion, the beneficial effects of the invention are as follows: according to the invention, the inner and outer templates are respectively clamped by the clamping rod and the inner tightening screw sleeve, so that the construction difficulty is reduced, the templates are stably supported, and the concrete pouring quality is improved.
Drawings
For purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings, in which:
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a sectional view showing a clamping lever mounting structure according to the present invention.
Detailed Description
The present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the method for supporting a shaped formwork of an expansion joint between residential unit buildings in the present embodiment includes the following steps:
(1) the method comprises the steps of obtaining a plurality of expansion joint inner and outer template clamping devices, wherein each expansion joint inner and outer template clamping device comprises a sleeve 1, two strip-shaped holes extending along the length direction are formed in the position, located in the middle, of the sleeve 1, the two strip-shaped holes are symmetrically arranged by taking the central line of the sleeve 1 as a symmetry axis, the length of each strip-shaped hole is larger than the distance between two inner templates of an expansion joint to be supported, outer tightening threads are formed in the sleeve 1 and extend from two ends of the sleeve towards the middle along the length direction of the sleeve 1 respectively, the outer tightening threads extend to the end positions close to the strip-shaped holes on one side where the outer tightening threads are located respectively, outer tightening thread sleeves 2 used for abutting against the outer side faces of the outer templates to be supported by the expansion joint are in threaded fit on the outer tightening threads, inner tightening rods 3 are arranged at two ends of the sleeve 1 respectively, one end of each inner tightening rod 3 is an, the inner tension rod 3 is provided with two clamping rods 4 symmetrically taking the central line of the inner tension rod 3 as a symmetrical axis on the rod body close to the insertion end of the inner tension rod 3, the diameter of each clamping rod 4 is smaller than the width of a strip-shaped hole, the rod body of the inner tension rod 3 and the position corresponding to the clamping rod 4 are concavely provided with accommodating grooves for accommodating the clamping rods 4 along the length direction of the inner tension rod 3, the accommodating grooves are fixedly connected with hinged supports on the groove bottoms facing the insertion end direction of the inner tension rod 3, the height of the hinged supports is lower than the depth of the accommodating grooves, one ends of the clamping rods 4 are hinged with the hinged supports through hinged shafts, the rotating planes of the clamping rods 4 around the hinged supports and the central line of the inner tension rod 3 are positioned in the same plane, a limiting stop block 5 is formed on the clamping rod 4 and one end close to the hinged supports, when the clamping rods 4 rotate towards the insertion end direction of the inner tension rod 3 and rotate until the central line of the clamping rods 4, the limiting stopper 5 can abut against the bottom of the containing groove to limit the rotation of the clamping rod 4, when the clamping rod 4 rotates towards the bottom of the containing groove, the clamping rod 4 can be arranged in the containing groove, a torsional spring which can rotate outwards for the clamping rod 4 so that the limiting stopper 5 abuts against the bottom of the containing groove to provide spring force is sleeved on the hinge shaft, one end, far away from the hinge shaft, of the clamping rod 4 can penetrate through the strip-shaped hole and extend out of the sleeve 1, one end, far away from the insertion end, of the rod body of the inner tensioning rod 3 extends towards the insertion end along the length direction of the rod body to form an inner tensioning thread, and an inner tensioning screw sleeve 6 is in threaded fit with the inner tensioning screw sleeve to abut against the end of the sleeve 1 to limit the inner tensioning rod 3 moving towards the sleeve 1;
(2) two inner templates positioned at the expansion joint and two outer templates on the outer side of the inner templates are erected, and then clamping devices for the inner and outer templates of the expansion joint are installed on the outer side of the outer template on one side of the inner template in a longitudinally and transversely spaced mode;
(3) when the clamping device for the inner and outer templates of the expansion joint is installed, the sleeve 1 sequentially penetrates through the two outer templates and the two inner templates from the outer side of the outer template on one side along the plane direction perpendicular to the outer templates, then extends out of the outer side of the outer template on the other side, the position of the sleeve 1 is adjusted, the two ends of the strip-shaped hole in the sleeve 1 along the length direction respectively extend out of the two inner templates, then the inner tension rod 3 is operated at one end of the sleeve 1, the two clamping rods 4 at the inserting end of the inner tension rod 3 are rotated into the accommodating groove, the inserting end of the inner tension rod 3 is inserted into the sleeve 1 on one side, when one end of the clamping rod 4 at the inserting end of the inner tension rod 3, which is far away from the hinge shaft, is positioned at the strip-shaped hole, the two clamping rods 4 are rotated to penetrate through and extend out of the strip-shaped hole under the spring force of the torsion spring, then screwing an inner tensioning screw sleeve on the inner tensioning rod 3, and then installing another inner tensioning rod 3 at the other end of the sleeve 1 according to the method;
(4) the outer tightening screw sleeves 2 are screwed at the two ends of the sleeve 1 respectively, the outer tightening screw sleeves 2 are screwed, the outer tightening screw sleeves are abutted to the outer side face of the outer template at one side, the relative positions of the outer tightening screw sleeves 2 at the two ends are adjusted, then the two outer templates move towards the outer side direction for limiting, then the inner tightening screw sleeves are screwed, the distance between the inner tightening screw sleeves and the corresponding clamping rods 4 is adjusted, the clamping rods 4 are abutted to the side face of the inner template at one side, the inner tightening screw sleeves are abutted to the end portion of the sleeve 1 at one side, and then the inner template moves towards the inner side direction for limiting.
In this embodiment, the inner tension rod 3 and the position at the bottom of the accommodating groove are provided with a pulling hole extending along the radial direction of the inner tension rod 3, the pulling hole is a through hole, the clamping rod 4 is sleeved with a pulling ring 7 which can be matched with the clamping rod in a sliding manner along the length direction, the clamping rod 4 is far away from the hinge shaft, a limiting protrusion 8 which can limit the pulling ring 7 is formed at one end of the hinge shaft in a protruding manner, the limiting protrusion 8 is far away from one end of the clamping rod 4 to the farthest distance of the central line of the clamping rod 4, the farthest distance of the central line of the clamping rod is smaller than the outer diameter of the pulling ring 7 and larger than the inner diameter of the pulling ring 7, when the clamping rod 4 rotates into the accommodating groove, the pulling ring 7 can be accommodated in the accommodating groove, when the pulling ring 7 is accommodated in the accommodating groove and abutted against the limiting protrusion 8, the projection of the pulling hole along the central line direction overlaps with the projection of the pulling ring 7 along the central line direction of the pulling hole, the end, far away from the insertion end, of the inner tension rod 3 is a dismounting end, an inner pull rope hole extends inwards along the direction of the central line of the inner tension rod 3 on the dismounting end face of the inner tension rod 3, one end, far away from the dismounting end of the inner tension rod 3, of the inner pull rope hole is communicated with the pulling hole, a pull rope 9 is fixedly connected to the pulling ring, and the other end of the pull rope 9 penetrates through the inner pull rope hole through the pulling hole, extends out of the dismounting end of the inner tension rod 3 from the inner pull rope hole and extends out of the outer side of the dismounting end of the inner tension rod 3;
after the concrete on the side walls on two sides of the expansion joint is solidified, the inner tension rod 3 is detached, the inner tension rod thread sleeve 6 is twisted to enable the inner tension rod to face away from the sleeve 1 to move, then the inner tension rod 3 is operated to face towards the sleeve 1 to stretch into the sleeve, so that the clamping rod 4 is separated from the inner template on one side where the clamping rod is located, the pull rope 9 is pulled outwards, the pull rope 9 drives the pull ring 7 to slide towards the direction of the limiting protrusion 8 on the clamping rod 4, the pull ring 7 can be driven to slide in the process, the clamping rod 4 faces towards the accommodating groove to rotate in the direction of the accommodating groove until the clamping rod 4 and the pull ring 7 are accommodated in the accommodating groove, and then the inner tension rod 3 is pulled outwards until the inner tension rod is pulled out of the sleeve 1.
In this embodiment, a circular ring 10 is disposed at the outer side of the detaching end of the inner tension rod 3, two connecting rings capable of moving along the length direction of the ring 10 are sleeved on the ring of the circular ring 10, and two pull ropes 9 at the same side are respectively fixedly connected with the two connecting rings.
In this embodiment, be located the outside of 3 dismantlements of interior tension rod still is provided with rubber buffer 11, and rubber buffer 11 wholly is round platform column structure, interior stay cord hole aperture is greater than rubber buffer 11 minor diameter end diameter and is less than rubber buffer 11 major diameter end diameter, and rubber buffer 11 has been seted up along its central line direction and has been pressed from both sides tight hole, lie in with two stay cords 9 of one side and stretch out in the rope body outside the interior stay cord hole all passes from rubber buffer 11 minor diameter end and excessively presss from both sides tight hole and stretch out outside rubber buffer 11 major diameter end, when rubber buffer 11 minor diameter end orientation in when the downthehole stopper of interior stay cord, rubber buffer 11 is in order to be located two in the tight hole of clamp stay cord 9 presss from both sides tightly.
In this embodiment, be located the outside of 3 dismantlements of interior tension rod still is provided with and presss from both sides tight end cover 12, press from both sides tight end cover 12 on the inside wall be provided with interior tight screw thread fit's tight screw thread that presss from both sides, rubber buffer 11 major diameter end diameter is less than and presss from both sides tight end cover 12 hole diameter, has seted up the stay cord via hole along its central line direction at the bottom of the lid of pressing from both sides tight end cover 12, and the diameter of stay cord via hole is less than rubber buffer 11 major diameter end diameter is located two with one side stay cord 9 just is located the rope body in the rubber buffer 11 outside passes too the stay cord via hole, works as rubber buffer 11 fill in during interior stay cord hole, press from both sides tight end cover 12 with can threaded connection in order to make and press from both sides tight end cover 12 end.
In the specific implementation process, the section of the ring body of the pull ring is circular, so that the friction between the pull ring and the clamping rod can be reduced, and the pull ring can smoothly slide on the clamping rod.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides an expansion joint inside and outside template clamping device which characterized in that: comprises a sleeve, two strip-shaped holes extending along the length direction are arranged on the middle part of the sleeve body, the two strip-shaped holes are symmetrically arranged by taking the central line of the sleeve as a symmetry axis, the length of the strip-shaped hole is larger than the distance between two inner templates of an expansion joint to be supported, outer tightening threads are respectively formed on the sleeve body and extend from the two ends of the sleeve body towards the middle part along the length direction, the outer tightening threads respectively extend to the end part position close to the strip-shaped hole on one side where the outer tightening threads are arranged, outer tightening screw sleeves used for being abutted against the outer side surface of the outer template of the expansion joint to be supported are in threaded fit with the outer tightening threads, inner tightening rods are respectively arranged at the two ends of the sleeve, one end of each inner tightening rod is an insertion end and is inserted into the sleeve so as to be in sliding fit with the sleeve along the central line direction of the sleeve, and two clamping rods are symmetrically arranged on the rod body close to, the diameter of the clamping rod is smaller than the width of the strip-shaped hole, a containing groove for containing the clamping rod is concavely arranged on the rod body of the inner tension rod and corresponds to the position of the clamping rod along the length direction of the inner tension rod, a hinged support is fixedly connected to the containing groove facing to the insertion end direction of the inner tension rod, the height of the hinged support is lower than the depth of the containing groove, one end of the clamping rod is hinged to the hinged support through a hinged shaft, the rotating plane of the clamping rod around the hinged support and the central line of the inner tension rod are positioned in the same plane, a limit stop block is convexly formed at one end of the clamping rod close to the hinged support, when the clamping rod rotates towards the insertion end direction of the inner tension rod and rotates until the central line of the clamping rod is vertical to the central line of the inner tension rod, the limit stop block can abut against the bottom of the containing groove to limit the rotation of the clamping rod, when the clamping rod rotates towards the bottom direction of, the cover is equipped with and to be able to rotate outwards so that limit stop provides the torsional spring of spring force at the holding tank bottom for the clamping bar, and the one end that the clamping bar kept away from the hinge can pass in the bar hole and stretch out outside the cover pipe, and the pole body of interior tension rod and keep away from its one end of inserting the end and extend along its length direction towards inserting the end and be formed with interior tension screw thread, and interior tension screw thread is gone up screw-thread fit has interior tension swivel nut in order to contradict and move towards the cover pipe at the inside tension rod of sleeve pipe tip and carry on spacingly.
2. The expansion joint inner and outer template clamping device according to claim 1, characterized in that: the interior tension bar and the position that is located the holding tank bottom wear to be equipped with along the hole of dragging that interior tension bar radial direction extends, drag the hole for perforating, it can be followed its length direction rather than sliding fit's ring of dragging to overlap on pressing from both sides tight pole, press from both sides tight pole and keep away from the protruding spacing arch that is formed with in order can carry out spacing with dragging the ring of one end arch, spacing arch is kept away from press from both sides tight pole one end to press from both sides tight pole central line's farthest distance size be less than the external diameter size who drags the ring and be greater than the internal diameter size who drags the ring, when pressing from both sides tight pole rotates to in the holding tank, drag the ring in order to hold in the holding tank, when dragging the ring and holding in the holding tank and butt on spacing arch, drag the hole along its central line direction ascending projection with drag the ring along dragging the hole central line direction ascending projection of center line and overlap mutually, the one end that interior tension bar kept away from its insertion end is torn the, interior tension bar's dismantlement end is followed on the terminal surface interior tension bar central line direction is inwards extended and is provided with interior stay cord hole, and interior stay cord hole is kept away from the one end of interior tension bar dismantlement end with pull the hole intercommunication, pull fixedly connected with stay cord on the ring, the other end of stay cord through pull the hole pass in interior stay cord hole and stretch out in interior tension bar dismantles the end outside.
3. The expansion joint inner and outer template clamping device according to claim 2, characterized in that: the outer side of the dismounting end of the inner tension rod is provided with a circular ring, two connecting rings capable of moving along the length direction of the circular ring are sleeved on a ring of the circular ring, and two pull ropes on the same side are fixedly connected with the two connecting rings respectively.
4. The expansion joint inner and outer template clamping device according to claim 2, characterized in that: lie in the outside of interior tension rod dismantlement end still is provided with the rubber buffer, and the rubber buffer is whole to be round platform column structure, interior stay cord hole aperture is greater than rubber buffer minor diameter end diameter and is less than rubber buffer major diameter end diameter, and the rubber buffer has seted up along its central line direction and has pressed from both sides tight hole, lie in with two stay cords of one side and stretch out in the rope body outside interior stay cord hole all wears from rubber buffer minor diameter end and excessively presss from both sides tight hole and stretches out outside rubber buffer major diameter end, when rubber buffer minor diameter end orientation in when the downthehole stopper of interior stay cord, the rubber buffer is in order to be to being located two in the tight hole of clamp the stay cord presss from both.
5. The expansion joint inner and outer template clamping device according to claim 4, characterized in that: lie in the outside of interior tension bar dismantlement end still is provided with and presss from both sides tight end cover, be provided with on the inside wall of pressing from both sides tight end cover with interior tight screw thread screw-thread fit's tight screw thread that presss from both sides, rubber buffer major diameter end diameter is less than and presss from both sides tight end cover hole diameter, has seted up the stay cord via hole along its central line direction on pressing from both sides tight end cover's the end, and the diameter of stay cord via hole is less than rubber buffer major diameter end diameter is located two with one side the stay cord just is located the rope body in the rubber buffer outside passes too the stay cord via hole, works as the rubber buffer is filled in during interior stay cord hole, press from both sides tight end cover with can threaded connection in interior tension bar is in so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111571777A (en) * | 2020-06-22 | 2020-08-25 | 中冶建工集团有限公司 | Hollow beam slab inner mold supporting device |
| CN112886451A (en) * | 2021-03-16 | 2021-06-01 | 国家电网有限公司 | Electric power overhauls blocks device with cabinet |
| CN113550567A (en) * | 2021-07-06 | 2021-10-26 | 北京建工一建工程建设有限公司 | Plastic formwork reinforcing system |
| CN113931447A (en) * | 2021-11-17 | 2022-01-14 | 广东天凛高新科技有限公司 | Telescopic template pull rod mechanism |
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