CN213681773U

CN213681773U - Template fastener is used in road bridge construction

Info

Publication number: CN213681773U
Application number: CN202022613378.2U
Authority: CN
Inventors: 乔毅; 刘曾科
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-13
Anticipated expiration: 2030-11-12

Abstract

The utility model belongs to the technical field of the road and bridge construction, especially, template fastener is used in road and bridge construction, which comprises a fixing block, the both sides of fixed block all are equipped with the mounting plate, and one side of fixed block has seted up the mounting hole on along the horizontal direction, and the top of fixed block threaded hole, the movable groove that communicates with the mounting hole is seted up to the bottom of screw hole, and threaded hole internal thread installs the threaded rod, and the both ends of threaded rod all extend to the screw hole outside and the bottom rotates and install the rack, fixed mounting has two dead levers on the top inner wall of mounting hole, and one side of a dead lever has all seted up changes the hole, and two change the downthehole rotation and install same lead screw guide pin bushing, the equal screw in both ends. The utility model discloses simple structure, convenient to use, be convenient for fasten the installation and be convenient for dismantle building templates.

Description

Template fastener is used in road bridge construction

Technical Field

The utility model relates to a road bridge construction technical field especially relates to a template fastener is used in road bridge construction.

Background

The building formwork is a temporary supporting structure, which is manufactured according to the design requirements, so that the concrete structure and the members are formed according to the specified positions and geometric dimensions, the correct positions of the concrete structure and the members are kept, and the self weight of the building formwork and the external load acting on the building formwork are borne. The purpose of the template engineering is to ensure the quality and the construction safety of the concrete engineering, accelerate the construction progress and reduce the engineering cost. A building template structure for cast-in-place concrete structural engineering construction mainly comprises a panel, a supporting structure and a connecting piece. The panel is a bearing plate directly contacting with newly cast concrete; the supporting structure is a temporary structure for supporting the panel, the concrete and the construction load, so that the building template structure is firmly combined and is not deformed or damaged; the connecting piece is a fitting for integrally connecting the panel and the support structure. The building templates are formworks and supports formed by pouring concrete, and can be divided into building templates, building wood-glue boards, film-coated boards, multilayer boards, double-faced compound glue, double-faced film-coated building templates and the like according to the properties of materials. The building template can be divided into a cast-in-place concrete template, a pre-assembled template, a large template, a jump template and the like according to construction process conditions.

In the construction of current road bridge, the fixed iron nail that often wears of template fastener, is difficult to the separation with template and concrete fixation together, and this kind of template fastener has the template and dismantles very inconveniently, can not fasten effectively, and fixed effect is not good, to the great shortcoming of fastener's damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art and providing a template fastening device for road and bridge construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a template fastening device for road and bridge construction comprises a fixed block, wherein fastening plates are arranged on both sides of the fixed block, and one side of the fixed block is provided with a mounting hole along the horizontal direction, the top of the fixed block is provided with a threaded hole, the bottom of the threaded hole is provided with a movable groove communicated with the mounting hole, and the thread of the threaded hole is provided with a threaded rod, both ends of the threaded rod extend out of the threaded hole, and the bottom end of the threaded rod is rotatably provided with a rack, two fixing rods are fixedly arranged on the inner wall of the top of the mounting hole, rotating holes are formed in one side of each fixing rod, the same screw rod guide sleeve is rotatably arranged in the two rotating holes, the equal screw thread in both ends of lead screw guide pin bushing has cup jointed the lead screw, and the screw direction of two lead screws is opposite setting and the one end symmetry fixed mounting who keeps away from each other has the right angle stopper, and the mounting groove has all been seted up to one side that two mounting plates are close to each other.

Preferably, the inner wall of one side of two mounting grooves far away from each other is provided with a limiting groove matched with the corresponding right-angle limiting block.

Preferably, the top end of the threaded rod is fixedly sleeved with a rotating rod.

Preferably, two sliding grooves are formed in the inner wall of the bottom of the mounting hole in the horizontal direction, sliding blocks are arranged in the two sliding grooves in a sliding mode, and the two sliding blocks are fixed to the bottoms of the corresponding screw rods respectively.

Preferably, the screw rod guide sleeve is sleeved with two torsion springs, and two ends of the two torsion springs are respectively fixed on the inner walls of two sides of the corresponding rotating hole.

Preferably, the triangle draw-in groove has all been seted up at the top of two lead screws, the fixed slot has all been seted up on the top inner wall of two mounting grooves, equal movable mounting has the movable rod in two fixed slots, the equal fixed mounting in bottom of two movable rods has the triangle fixture block that is located the mounting groove, two triangle fixture blocks all with the triangle draw-in groove and the right angle stopper looks adaptation that correspond, all cup jointed the spring on two movable rods, the one end of two springs is fixed on the movable rod that corresponds, the other end is fixed on the inner wall of the fixed slot that corresponds.

In the utility model, when two fastening plates are fastened and connected with a fixed block, the rotating rod is rotated to drive the threaded rod to rotate downwards, so that the rack can be driven to move downwards, the rack drives the gear to rotate in the moving process, the gear drives the screw rod guide sleeve to rotate, the screw rod guide sleeve drives two screw rods to move left and right separately, so that two right-angle stoppers can be driven to move left and right separately, when the two right-angle stoppers are respectively clamped into the corresponding limiting grooves, the two fastening plates can be fixed in the vertical direction, the two right-angle stoppers respectively press the corresponding triangular clamping blocks in the moving process, so that the two triangular clamping blocks are driven to move upwards, when the two right-angle stoppers are completely clamped into the limiting grooves, the triangular clamping blocks are not pressed any more, the two triangular clamping blocks are reset and clamped into the corresponding triangular clamping grooves on the screw rods under the action of the spring, can fix two mounting plates on the horizontal direction, can be with two mounting plates and fixed block fastening connection.

When needs pull down two mounting plates from the fixed block, through the antiport bull stick, driven two right angle stoppers and moved in opposite directions, two right angle stoppers are at the triangle fixture block that the removal process extruded respectively and correspond, have driven triangle fixture block rebound, when the triangle fixture block is extruded from the triangle draw-in groove, can unpack two mounting plates apart from the fixed block. The utility model discloses simple structure, convenient to use, be convenient for fasten the installation and be convenient for dismantle building templates.

Drawings

Fig. 1 is a schematic structural view of a formwork fastening device for road and bridge construction provided by the utility model;

fig. 2 is a schematic structural view of a portion a of a formwork fastening device for road and bridge construction according to the present invention;

fig. 3 is the utility model provides a road bridge construction is with template fastener's B part schematic structure.

In the figure: the device comprises a fixing block 1, a mounting hole 2, a gear 3, a movable groove 4, a rack 5, a fastening plate 6, a threaded rod 7, a rotating rod 8, a threaded hole 9, a screw rod guide sleeve 10, a fixed rod 11, a torsion spring 12, a screw rod 13, a triangular clamping groove 14, a fixed groove 15, a right-angle limiting block 16, a triangular clamping block 17, a limiting groove 18, a spring 19, a movable rod 20 and a mounting groove 21.

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.

Example one

Referring to fig. 1-3, a formwork fastening device for road and bridge construction comprises a fixed block 1, fastening plates 6 are respectively arranged on two sides of the fixed block 1, a mounting hole 2 is horizontally arranged on one side of the fixed block 1, a threaded hole 9 is arranged on the top of the fixed block 1, a movable groove 4 communicated with the mounting hole 2 is arranged at the bottom of the threaded hole 9, a threaded rod 7 is internally threaded in the threaded hole 9, two ends of the threaded rod 7 extend out of the threaded hole 9, a rack 5 is rotatably arranged at the bottom end of the threaded rod, two fixing rods 11 are fixedly arranged on the inner wall of the top of the mounting hole 2, a rotary hole is arranged on one side of each fixing rod 11, the same screw rod guide sleeve 10 is rotatably arranged in the two rotary holes, screw rods 13 are respectively sleeved at two ends of the screw rod guide sleeve 10, right-angle limiting blocks 16 are symmetrically and fixedly, mounting grooves 21 are formed in one side, close to each other, of each of the two fastening plates 6.

Example two

The utility model discloses in, all set up the spacing groove 18 with the 16 looks adaptations of the right angle stopper that correspond on the one side inner wall of keeping away from each other of two mounting grooves 21, when two right angle stoppers 16 block into the spacing groove 18 that corresponds respectively, can be to two mounting plates 6 fixed in vertical direction.

The utility model discloses in, the fixed bull stick 8 that has cup jointed in the top of threaded rod 7 is convenient for rotate threaded rod 7 through bull stick 8.

The utility model discloses in, seted up two spouts on the bottom inner wall of mounting hole 2 along the horizontal direction, equal slidable mounting has the slider in two spouts, and two sliders are fixed respectively in the bottom of the lead screw 13 that corresponds, through the spout with the slider be convenient for the removal of lead screw 13.

The utility model discloses in, cup jointed two torsional springs 12 on the lead screw guide pin bushing 10, the both ends of two torsional springs 12 are fixed respectively on the both sides inner wall of the commentaries on classics hole that corresponds, through the restoration of the lead screw guide pin bushing 10 of being convenient for of torsional spring 12.

The utility model discloses in, triangle draw-in groove 14 has all been seted up at the top of two lead screws 13, fixed slot 15 has all been seted up on the top inner wall of two mounting grooves 21, equal movable mounting has movable rod 20 in two fixed slots 15, the equal fixed mounting in bottom of two movable rod 20 has the triangle fixture block 17 that is located mounting groove 21, two triangle fixture blocks 17 all with the triangle draw-in groove 14 and the 16 looks adaptations of right angle stopper that correspond, spring 19 has all been cup jointed on two movable rod 20, the one end of two spring 19 is fixed on the movable rod 20 that corresponds, the other end is fixed on the inner wall of corresponding fixed slot 15, through two right angle stoppers 16 at the in-process that removes, extrude the triangle fixture block 17 that corresponds respectively, two triangle fixture blocks 17 upwards remove have been driven, when two right angle stoppers 16 block go into the card completely to advance in limiting groove 18, no longer extrude triangle fixture block 17, two triangle fixture block 17 carry out the card through spring 19's effect and advance In, can fix two mounting plates 6 on the horizontal direction, can be with two mounting plates 6 and fixed block 1 fastening connection.

In the utility model, when two fastening plates 6 are fastened and connected with the fixed block 1, the rotating rod 8 is rotated to drive the threaded rod 7 to rotate downwards, so as to drive the rack 5 to move downwards, the rack 5 drives the gear 3 to rotate in the moving process, the gear 3 drives the screw guide sleeve 10 to rotate, the screw guide sleeve 10 drives the two screws 13 to move left and right, so as to drive the two right-angle stoppers 16 to move left and right, when the two right-angle stoppers 16 are respectively clamped into the corresponding limiting grooves 18, the two fastening plates 6 can be fixed in the vertical direction, the two right-angle stoppers 16 respectively press the corresponding triangular clamping blocks 17 in the moving process, so as to drive the two triangular clamping blocks 17 to move upwards, when the two right-angle stoppers 16 are completely clamped into the limiting grooves 18, the triangular clamping blocks 17 are not pressed, the two triangular clamping blocks 17 are reset under the action of the springs 19 and clamped into the triangular clamping grooves 14 on the corresponding screw rods 13, so that the two fastening plates 6 can be fixed in the horizontal direction, and the two fastening plates 6 can be tightly connected with the fixing block 1.

When needs pull down two mounting plates 6 from fixed block 1, through antiport bull stick 8, driven two right angle stoppers 16 and removed in opposite directions, two right angle stoppers 16 are at the triangle fixture block 17 that the removal process extruded respectively and correspond, have driven triangle fixture block 17 and have upwards moved, when triangle fixture block 17 was extruded from triangle draw-in groove 14, can unpack two mounting plates 6 from fixed block 1 apart. The utility model discloses simple structure, convenient to use, be convenient for fasten the installation and be convenient for dismantle building templates.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A template fastening device for road and bridge construction comprises a fixed block (1) and is characterized in that fastening plates (6) are arranged on two sides of the fixed block (1), a mounting hole (2) is formed in one side of the fixed block (1) in the horizontal direction, a threaded hole (9) is formed in the top of the fixed block (1), a movable groove (4) communicated with the mounting hole (2) is formed in the bottom of the threaded hole (9), a threaded rod (7) is installed in the threaded hole (9) in a threaded manner, two ends of the threaded rod (7) extend out of the threaded hole (9), a rack (5) is rotatably installed at the bottom of the threaded rod, two fixing rods (11) are fixedly installed on the inner wall of the top of the mounting hole (2), a rotating hole is formed in one side of each fixing rod (11), a same screw rod guide sleeve (10) is rotatably installed in the two rotating holes, and a screw rod (13) is in, the screw thread direction of two lead screws (13) sets up for opposite and the one end symmetry fixed mounting who keeps away from each other has right angle stopper (16), and mounting groove (21) have all been seted up to one side that two mounting plates (6) are close to each other.

2. The formwork fastening device for road and bridge construction as claimed in claim 1, wherein the inner walls of the two mounting grooves (21) at the sides far away from each other are provided with limiting grooves (18) adapted to the corresponding right-angle limiting blocks (16).

3. The form fastening device for road and bridge construction as claimed in claim 1, wherein the top end of the threaded rod (7) is fixedly sleeved with a rotating rod (8).

4. The formwork fastening device for road and bridge construction according to claim 1, wherein two sliding grooves are formed in the inner wall of the bottom of the mounting hole (2) along the horizontal direction, sliding blocks are slidably mounted in the two sliding grooves, and the two sliding blocks are respectively fixed at the bottom of the corresponding screw rod (13).

5. The formwork fastening device for road and bridge construction according to claim 1, wherein two torsion springs (12) are sleeved on the screw rod guide sleeve (10), and two ends of the two torsion springs (12) are respectively fixed on the inner walls of two sides of the corresponding rotation hole.

6. The formwork fastening device for road and bridge construction according to claim 1, wherein the top of each of the two lead screws (13) is provided with a triangular clamping groove (14), the inner wall of the top of each of the two mounting grooves (21) is provided with a fixing groove (15), each of the two fixing grooves (15) is movably provided with a movable rod (20), the bottom ends of the two movable rods (20) are fixedly provided with a triangular clamping block (17) positioned in the mounting groove (21), the two triangular clamping blocks (17) are respectively matched with the corresponding triangular clamping grooves (14) and the right-angle limiting blocks (16), each of the two movable rods (20) is sleeved with a spring (19), one end of each of the two springs (19) is fixed on the corresponding movable rod (20), and the other end of each of the two springs is fixed on the inner wall of the corresponding fixing groove (15).