CN210669397U

CN210669397U - Upper-angle vertical tee joint for bridge frame

Info

Publication number: CN210669397U
Application number: CN201922112834.2U
Authority: CN
Inventors: 何宏瑞
Original assignee: Jiangsu Ruishida Electrical Equipment Co Ltd
Current assignee: Jiangsu Ruishida Electrical Equipment Co Ltd
Priority date: 2019-12-01
Filing date: 2019-12-01
Publication date: 2020-06-02
Anticipated expiration: 2029-12-01

Abstract

The utility model discloses an upper corner vertical tee joint for a bridge frame, which comprises a tee joint part, a hack lever and a fastening positioning mechanism, wherein the hack lever is detachably connected at three end faces of the tee joint part, the fastening positioning mechanism is fixed at the right-angle side of the tee joint part and is detachably connected with the hack lever, the fastening positioning mechanism comprises a wrapping plate, a clamping component and a fixed shaft, the wrapping plate is in an L shape and is fixed at the right-angle side of the tee joint part, the hack lever is detachably and slidably installed on the inner surface of the wrapping plate, the right-angle side of the wrapping plate is a plane, two fixed lugs are relatively fixed on the wrapping plate, the fixed shaft is fixedly installed on opposite surfaces of the two fixed lugs, and the; the utility model is provided with a fastening and positioning mechanism, compared with the traditional method which only uses screws for connection, the utility model is additionally provided with a wrapping plate, and the combination of the two can not only relatively increase the fastening and the safety of connection; and meanwhile, the threaded holes in the rack rod and the three-way part are conveniently positioned, and subsequent installation is facilitated.

Description

Upper-angle vertical tee joint for bridge frame

Technical Field

The utility model belongs to the technical field of the perpendicular tee bend in upper angle for the crane span structure, concretely relates to perpendicular tee bend in upper angle for crane span structure.

Background

The upper corner vertical tee joint is used for connecting and fixing a plurality of frame rods to form a connecting piece of a framework. And convenient to use easy operation, some only use the screw connection when the perpendicular tee bend in upper corner is connected with the hack lever, use the junction for a long time and both appear insecure phenomenon easily, make the screw hole location comparatively troublesome when the installation again.

When the existing upper corner vertical tee joint is connected with a rack rod, the joint of the upper corner vertical tee joint is usually connected with the rack rod through a plurality of screws, the joint is easy to loosen and loose and is not fastened after long-time use, or the threaded hole is positioned in a troublesome mode when the connection is carried out, and more time is consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane span structure is with perpendicular tee bend in upper corner to the perpendicular tee bend in upper corner a bit that proposes in solving above-mentioned background art when being connected with the hack lever, its junction uses a plurality of screw connections usually, and it is troublesome that the screw hole location appears when not hard up not fastening of junction or connection to use for a long time to appear easily, consumes the problem of more time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a perpendicular tee bend of upper angle for crane span structure, includes tee bend piece, hack lever and fastening positioning mechanism, the detachable three terminal surface department of connecting at the tee bend piece of hack lever, fastening positioning mechanism fixes at tee bend piece right angle limit, and is connected with the hack lever is detachable, fastening positioning mechanism is including package board, chucking subassembly and fixed axle, the package board is "L" type, and fixes at tee bend piece right angle limit, the detachable slidable mounting of hack lever is at a package inboard surface, just package board right angle limit is the plane, two fixed lugs of relative fixation on it, fixed axle fixed mounting is at two fixed lug opposite faces, just chucking subassembly rotates and installs on the fixed axle.

Preferably, the clamping assembly comprises a rotating clamping plate, a rotating connecting plate and a torsion spring, the rotating clamping plate comprises a movable straight plate and a movable arc-shaped plate, the movable straight plate is horizontally arranged on the outer surface of the wrapping plate, a plurality of clamping blocks distributed along the length direction of the movable straight plate are fixed on the lower surface of the end part of the movable straight plate, through holes and clamping grooves for the clamping blocks to penetrate through are formed in the surfaces of the wrapping plate and the frame rod, one end of the movable arc-shaped plate is fixed on the surface of the movable straight plate, and the other end of the movable.

Preferably, two the activity arc symmetry is located the fixed axle both sides, and the two opposite face all is fixed with two and rotates the connecting plate, rotate the rotatable cover of connecting plate and establish at the fixed axle surface, torsional spring movable sleeve establishes at the fixed axle surface, and is located between the rotation connecting plate.

Preferably, two extending ends of the torsion spring are respectively fixed on opposite surfaces of the two movable arc-shaped plates, the movable arc-shaped plates can rotate relatively, and the rotating connecting plate can rotate on the fixed shaft along with the movable arc-shaped plates.

Preferably, the lower surface of the wrapping plate is fixed with a sliding block, the surface of the frame rod and the corresponding position of the frame rod are provided with sliding grooves with open end faces, the sliding block is slidably mounted in the sliding grooves, and the sliding block and the sliding blocks are both T-shaped.

Preferably, the fastening and positioning mechanism is positioned on the right-angle sides of the outer surfaces of the three-way part and the frame rod, and a plurality of screws are arranged on the inner surfaces of the three-way part and the frame rod.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model is provided with a fastening and positioning mechanism, compared with the traditional method which only uses screws for connection, the utility model is additionally provided with a wrapping plate, and the combination of the two can not only relatively increase the fastening and the safety of connection; and meanwhile, the threaded holes in the rack rod and the three-way part are conveniently positioned, and subsequent installation is facilitated.

(2) The utility model discloses a combine slider and spout, can play the positioning action when three-way component and hack lever are connected, make things convenient for the location of follow-up screw hole, and simple structure convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic structural diagram of the fastening and positioning mechanism of the present invention as seen from the left of the longitudinal section;

FIG. 4 is a schematic view of the internal structure of the clamping assembly of the present invention;

FIG. 5 is a schematic view of the structure of the sliding block and the sliding groove of the present invention;

in the figure: 1. a tee fitting; 2. a frame bar; 3. fastening the positioning mechanism; 31. wrapping a plate; 32. a clamping assembly; 321. rotating the connecting plate; 322. a torsion spring; 33. a fixed shaft; 4. fixing the bump; 5. a movable straight plate; 6. a movable arc plate; 7. a clamping block; 8. a slider; 9. a chute.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a perpendicular tee bend of upper angle for crane span structure, including tee bend 1, hack lever 2 and fastening positioning mechanism 3, hack lever 2 detachable connection is in the three terminal surface department of tee bend 1, fastening positioning mechanism 3 fixes at 1 right-angle side of tee bend, and be connected with hack lever 2 detachable, fastening positioning mechanism 3 includes package board 31, chucking subassembly 32 and fixed axle 33, package board 31 is "L" type, and fix at 1 right-angle side of tee bend, hack lever 2 detachable slidable mounting is at package board 31 internal surface, and package board 31 right-angle side is the plane, two fixed lug 4 of relative fixation on it, fixed axle 33 fixed mounting is at two fixed lug 4 opposite faces, and chucking subassembly 32 rotates and installs on fixed axle 33, through being connected hack lever 2 and tee bend 1 with package board 31, can increase the fastening nature and the security of the two connections relatively, and simple structure convenient to use.

In this embodiment, it is preferred, the chucking subassembly 32 is including rotating the cardboard, rotate connecting plate 321 and torsional spring 322, it includes activity straight board 5 and activity arc 6 to rotate the cardboard, activity straight board 5 level is located wrapper sheet 31 surface, and the tip lower surface mounting has a plurality of fixture blocks 7 that distribute along its length direction, wrapper sheet 31 and hack lever 2 surface are provided with perforation and the draw-in groove that can supply fixture block 7 to pass, when hack lever 2 and three-way component 1 contact, the perforation aligns with the draw-in groove, 6 one end of activity arc is fixed on activity straight board 5 surface, the other end extends to fixed axle 33 both sides, through being provided with chucking subassembly 32, can carry out primary connection with hack lever 2 and wrapper sheet 31, conveniently fix a position the screw hole on hack lever 2 and three-way component 1 simultaneously, convenient follow-up installation.

In this embodiment, preferably, the two movable arc plates 6 are symmetrically located at two sides of the fixed shaft 33, and two opposite surfaces of the two movable arc plates are both fixed with two rotating connecting plates 321, the rotating connecting plates 321 are rotatably sleeved on the outer surface of the fixed shaft 33, the torsion spring 322 is movably sleeved on the outer surface of the fixed shaft 33 and located between the rotating connecting plates 321, two extending ends of the torsion spring 322 are respectively fixed on the opposite surfaces of the two movable arc plates 6, and the movable arc plates 6 can rotate relatively, and the rotating distance between the two movable arc plates is greater than the distance between the fixture block 7 and the rack bar 2 as well as the wrapping plate 31, and the rotating connecting plates 321 can rotate on the fixed shaft 33 along with the movable arc plates 6, so that the free ends of the movable straight plates 5 can be tilted.

In this embodiment, preferably, the sliding block 8 is fixed on the lower surface of the wrapping plate 31, the sliding groove 9 with an open end face is formed in the surface of the frame rod 2 corresponding to the frame rod, the sliding block 8 is slidably mounted in the sliding groove 9, and both the sliding block and the frame rod are in a "T" shape, when the sliding block and the frame rod are connected, the threaded holes are in the same horizontal plane, when the clamping block 7 is connected with the frame rod 2 and the wrapping plate 31, the threaded holes in the two are aligned, and by combining the sliding block 8 with the sliding groove 9, the positioning function can be achieved when the three-way member 1 is connected with the.

In this embodiment, preferably, the fastening and positioning mechanism 3 is located at the right-angle side of the outer surfaces of the three-way member 1 and the frame rod 2, and the inner surfaces of the two are provided with a plurality of screws.

The utility model discloses a theory of operation and use flow: the utility model discloses when using, hold two symmetrical movable arc 6 earlier, press it relatively, torsional spring 322 that is located between the two takes place elastic deformation gradually, simultaneously along with the relative rotation of movable arc 6, rotation connecting plate 321 rotates round fixed axle 33 thereupon, fix and rotate relatively at the 5 free ends of the straight board of activity of 6 tip of movable arc, the internal surface is fixed and is moved back to back at fixture block 7, until breaking away from wrapper sheet 31 and being located the outside, make things convenient for the installation of hack lever 2, another hand holds hack lever 2, let the spout 9 of its tip align with the slider 8 of fixing on wrapper sheet 31 internal surface, and impel it inwards, until hack lever 2 tip and tee fitting 1 tip contact can, at this moment the draw-in groove that is located on hack lever 2 and wrapper sheet 31 aligns with the perforation, simultaneously hack lever 2 aligns with the screw hole on tee fitting 1; then can loosen two movable arc 6 that press, torsional spring 322 resumes elasticity, it does not rotate to drive movable arc 6 mutually, 5 tip downwardly moving of two activity straight boards simultaneously, until fixture block 7 passes the perforation card on wrapper sheet 31 again and advances in the draw-in groove on hack lever 2 surface, thereby be connected hack lever 2 and tee bend 1 fixedly, reuse screw at last with the two fasten at last can, the trouble of screw hole location has not only been saved in this kind of setting, and increased wrapper sheet 31 and the spacing of slider 8 and spout 9 on original basis and be connected, thereby increase the fastening nature and the security that hack lever 2 and tee bend 1 are connected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a perpendicular tee bend of upper angle for crane span structure, includes tee bend spare (1), hack lever (2) and fastening positioning mechanism (3), the detachable three terminal surface department of connecting in tee bend spare (1) of hack lever (2), its characterized in that: tight fixed position mechanism (3) are fixed at tee bend spare (1) right angle limit, and are connected with hack lever (2) are detachable, tight fixed position mechanism (3) are including package board (31), chucking subassembly (32) and fixed axle (33), package board (31) are "L" type, and fix at tee bend spare (1) right angle limit, the detachable slidable mounting of hack lever (2) is at package board (31) internal surface, just package board (31) right angle limit is the plane, two fixed lug (4) of relative fixation on it, fixed axle (33) fixed mounting is at two fixed lug (4) opposite faces, just chucking subassembly (32) rotate to be installed on fixed axle (33).

2. The upper corner vertical tee for a bridge frame of claim 1, wherein: the clamping assembly (32) comprises a rotating clamping plate, a rotating connecting plate (321) and a torsion spring (322), the rotating clamping plate comprises a movable straight plate (5) and a movable arc-shaped plate (6), the movable straight plate (5) is horizontally arranged on the outer surface of a wrapping plate (31), a plurality of clamping blocks (7) distributed along the length direction of the movable straight plate are fixed on the lower surface of the end part of the movable straight plate, the wrapping plate (31) and the rack rod (2) are provided with through holes and clamping grooves for the clamping blocks (7) to penetrate through, one end of the movable arc-shaped plate (6) is fixed on the surface of the movable straight plate (5), and the other end of the movable arc-shaped plate extends to.

3. The upper corner vertical tee for a bridge frame of claim 2, wherein: two activity arc (6) symmetry is located fixed axle (33) both sides, and the two opposite face all is fixed with two and rotates connecting plate (321), rotate the rotatable cover of connecting plate (321) and establish fixed axle (33) surface, torsional spring (322) activity cover is established at fixed axle (33) surface, and is located between the rotation connecting plate (321).

4. The upper corner vertical tee of claim 3, wherein: two ends that stretch out of torsional spring (322) are fixed respectively in two activity arcs (6) opposite faces, just activity arcs (6) can rotate relatively, just rotation connecting plate (321) can rotate on fixed axle (33) along with activity arcs (6).

5. The upper corner vertical tee for a bridge frame of claim 1, wherein: the lower surface of the wrapping plate (31) is fixed with a sliding block (8), the surface of the frame rod (2) and the corresponding position of the frame rod are provided with a sliding groove (9) with an open end face, the sliding block (8) is slidably mounted in the sliding groove (9), and the sliding block and the sliding groove are both T-shaped.

6. The upper corner vertical tee for a bridge frame of claim 1, wherein: the fastening and positioning mechanism (3) is positioned on the right-angle sides of the outer surfaces of the three-way part (1) and the frame rod (2), and a plurality of screws are arranged on the inner surfaces of the three-way part and the frame rod.