CN201944193U

CN201944193U - Clamping head of steel strand

Info

Publication number: CN201944193U
Application number: CN2011200194403U
Authority: CN
Inventors: 于兴利
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-18
Filing date: 2011-01-18
Publication date: 2011-08-24
Anticipated expiration: 2021-01-18

Abstract

The utility model discloses a clamping head of a steel strand, solving the problem that in the prior art, a connecting component is tightly clamped by a U-shaped bolt and a base with a U-shaped claw, the stress point of the connecting component pressed by the two U-shaped parts is sole, so the connection is dropped because of insufficient pressure. The clamping head of the steel strand comprises a base with a row of claws for placing the connecting component, and a bolt and a nut penetrating through the base to clamp the connecting component tightly; the row of the claws for placing the connecting component are V-shaped claws. Because the clamping head uses the base with V-shaped claws, the connecting component is arranged on the V-shaped space of the V-shaped claw, and fixed by the bolt and the nut, the condition between the connecting component and the V-shaped claw is multi-point contact and stressed, the clamping force of the V-shaped claw clamping head is greater than that of the U-shaped claw clamping head by multiple; the clamping head of the steel strand solves the problem that in the prior art, when the connecting component is tightly clamped, the stress point is sole, so the connection is dropped because of insufficient pressure.

Description

A kind of steel strand dop

Technical field

The utility model belongs to instrument, specifically a kind ofly connects the dop that steel strand are used.

Background technique

Steel strand are lines that the Steel Wire Strand strand is made together, be widely used in backguy and line of electric force etc., the connection multiple-use card head of steel strand is fixedly connected, described dop be mainly used in reinforcing the connection as: electric power steel strand, steel strand are connected with reinforcing bar, wire rope self, also can be used for aluminum stranded conductor, copper stranded conductor (hereinafter to be referred as link) is done the fixedly connected of clasp.

Traditional dop structure is as shown in Figure 4: the U type pawl 4.2 that forms " U " word 4.21 shapes and form a line in the middle of being fixed with on lower bottom base 4, U bolt 7 phase make-ups are on " U " of described U type pawl 4.2 word 4.21 shapes, the screw rod at its two ends passes the hole of " U " word 4.21 both sides that are positioned at U type pawl 4.2 on the lower bottom base 4, and nut 5 is screwed in respectively on the described screw rod that exposes lower bottom base 4.

During use, be clipped in the lump after the link 2 that needs are connected stacks between U word 4.21 shapes of U type pawl 4.2 on the lower bottom base 4 of dop and U bolt 7, fastening nut 5 can be fixed together link 2 then.

Above-mentioned dop is small and exquisite to be easy to carry flexibly, and easy accessibility is used widely on engineering.But its deficiency is: with the link 2 of dop connection, when fastening nut 5 presses being connected and fixed of link 2 to locate, the point of its actual loading is only at the two U-shaped positions up and down of U bolt 7 and U type pawl 4.2, because link 2 force bearing points are single, be subjected under the big situation of external pull at link 2 two ends, can occur the phenomenon that tie point comes off taking place because of the impacting force deficiency.

The model utility content

Technical problem to be solved in the utility model is, overcome the base pinch clamping joint of prior art with U bolt and band U type pawl, two U-shaped positions press the link force bearing point single about only depending on, cause easily because of insufficient clamping force makes to connect the shortcoming that comes off, a kind of steel strand dop that can overcome above-mentioned shortcoming is provided.

In order to solve the problems referred to above that prior art exists, the utility model is to adopt following technical proposals to realize: dop comprises the base that can lay link, have the pawl that forms a line, and the screw bolt and nut that passes the base pinch clamping joint, the pawl that forms a line on the described base is the V-type pawl.

The utility model also has following technical characteristics:

Described base is made up of upper bed-plate and lower bottom base, have the V-type pawl that forms a line on the upper and lower base respectively, the plug hole crack is relative up and down installs for V-type pawl on upper bed-plate and the lower bottom base, and two bolts pass the bolt hole of crossing of V-type pawl both sides correspondence on the upper and lower base, and its termination is screwed with turnbuckle;

V-type pawl on the described lower bottom base is Duoed 1 than the V-type pawl on the upper bed-plate;

V-type pawl on the described lower bottom base is 2-8 that forms a line;

" V " word angle of described V-type pawl is the 30-90 degree;

" V " word angle of described V-type pawl is 50 degree.

Advantage of the present utility model and good effect are, because what the utility model dop adopted is the base of band V-type pawl, link is placed in the middle of V-type pawl " V " word, be fixed with screw bolt and nut, form and to be multiple spot between link and the V-type pawl and to contact, increase the point of contact between link and the dop, do not damaged link.Along with the effect angle that reduces the V-type pawl, the power that the V-type pawl acts on the steel strand is just increasing, therefore, the V-type pawl can be regarded augmentor as, use V-type pawl dop and can increase exponentially than the clamping force of using U type pawl dop, force bearing point is single when having solved the prior art link and clamping in dop, causes because of insufficient clamping force makes to connect the problem that comes off.

Description of drawings

Fig. 1 is a plan view of the present utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the sectional arrangement drawing of lower bottom base among Fig. 1;

The plan view of Fig. 4 prior art dop.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Among Fig. 1, Fig. 2, the steel strand dop comprises: can lay link 2, have the base of the pawl that forms a line, and the screw bolt and nut 5 that passes base pinch clamping joint 2, the described pawl of laying link 2, forming a line is the V-type pawl, link 2 can be placed in the middle of " V " word in the V-type pawl.

Described base is made up of upper bed-plate 1 and lower bottom base 4, the pawl that forms a line on the upper and

lower base

1 and 4 is V-type pawl 1.1 and 4.1, the plug hole crack is relative installs for V-type pawl 1.1 on upper bed-plate 1 and the lower bottom base 4 and V-type pawl 4.1, the bolt 3 of two straight shapes, that passes V-type pawl 1.1 on the upper bed-plate 1 upper and lower base 4 and V-type pawl 4.1 both sides correspondences crosses bolt hole 6 (referring to Fig. 3), and its termination is screwed with turnbuckle 5 respectively.

For preventing when the clamp connection 2, the stress of V-type pawl 1.1 and 4.1 bottom, " V " word angle is concentrated, and bottom, " V " word angle is equipped with circular arc R.

For when using the link 2 of dop connection, can bear a certain size external pull, can alleviate the weight of dop again as far as possible, V-type pawl 4.1 quantity that form a line on the described lower bottom base 4, can change according to the concrete condition of link 2, be generally 2-8, all lack 1 than nearly 7 on the upper bed-plate with V-type pawl on the upper bed-plate of lower bottom base pairing, each V-type pawl 1.1 all is inserted between the two V-type pawls 4.1, and the relative line ball with upper bed-plate of lower bottom base is installed.V-type pawl 4.1 with lower bottom base is 4, V-type pawl 1.1 on the upper bed-plate 1 is 3 and is example (referring to Fig. 2), like this, when link 2 is placed on up and down in the middle of two " V " word 4.11, V-type pawl 1.1 and 4.1 and link 2 between have 14 place's force bearing points (referring to Fig. 2, above totally 6 of 3 V-type pawls 1.1, below totally 8 of 4 V-type pawls 4.1), the power that acts on link 2 joints is distributed very evenly.In the reality test, it is existing more than 3 times of dop that the link 2 that above-mentioned dop clamps bears outside pulling force;

Certainly, the V-type pawl 4.1 that forms a line on the lower bottom base 4 also can be 2, and it is 1 that the V-type pawl 1.1 on the upper bed-plate 1 lacks 1 than the V-type pawl 4.1 on the lower bottom base 4; Can also be that V-type pawl 1.1 on the upper bed-plate 1 is 3, the V-type pawl 4.1 on the lower bottom base 4 be 2 ...

Change the angle a number of degrees size of " V " word 4.11 of V-type pawl 1.1 and V-type pawl 4.1, can change the stressed size of link 2, can hold under the prerequisite of link 2 in a of V-arrangement angle, along with the effect angle that reduces the V-type pawl, the power that the V-type pawl acts on the link 2 is just increasing.Through test, for can clamp connection 2, make it injury-free again, the V-arrangement angle a of described V-type pawl 1.1,4.1 is advisable with the 30-90 degree, but in the ordinary course of things, optimum angle is 50 degree.

Claims

1. a steel strand dop comprises the base that can lay link, have the pawl that forms a line, and the screw bolt and nut that passes the base pinch clamping joint, it is characterized in that: the described pawl of laying link, forming a line is the V-type pawl.

2. a kind of steel strand dop as claimed in claim 1, it is characterized in that: described base is made up of upper bed-plate and lower bottom base, have the V-type pawl that forms a line on the upper and lower base respectively, the plug hole crack is relative up and down installs for V-type pawl on upper bed-plate and the lower bottom base, two bolts pass the bolt hole excessively of V-type pawl both sides correspondence on the upper and lower base, and its termination is screwed with turnbuckle.

3. a kind of steel strand dop as claimed in claim 2 is characterized in that: the V-type pawl on the described lower bottom base is Duoed 1 than the V-type pawl on the upper bed-plate.

4. a kind of steel strand dop as claimed in claim 3 is characterized in that: the V-type pawl on the described lower bottom base is 2-8.

5. as any described a kind of steel strand dop in the claim 1,2,3 or 4, it is characterized in that: " V " word angle of described V-type pawl is the 30-90 degree.

6. a kind of steel strand dop as claimed in claim 5 is characterized in that: " V " word angle of described V-type pawl is 50 degree.