CN208884999U - A kind of step fastener clamp anti-dropping device - Google Patents

Abstract

The utility model discloses a kind of step fastener clamp anti-dropping devices; including kelly; one end of the kelly is fixedly connected with elbow; the lower end of the kelly is fixedly connected with the first rack gear; clamp is arranged on the kelly; the clamp is equipped with clamping mechanism close to one end side wall of elbow, and the clamping mechanism and the first rack gear are cooperatively connected, and the clamping mechanism is fixedly connected with the protection block for protecting clamping mechanism close to one end of elbow.The utility model can improve reliability when fastening so that clamp has good clamping effect with kelly always in clamping from main regulation by using personnel, be convenient for prolonged clamping and reinforce.

Description

A kind of step fastener clamp anti-dropping device

Technical field

The utility model relates to step fastener clamp technical field more particularly to a kind of step fastener clamp anti-dropping devices.

Background technique

Step fastener is a kind of novel building apparatus, and application method is quick, can not only save the working time, improves work effect Rate can more save a large amount of timber, bundle method, sieve bar lead screw method instead of traditional iron wire, and Gu Quan jumps a queue method, and its dismounting side Just, it is convenient for large-scale use.

But traditional step fastener clamp generates vibration in clamping, due to will receive the influence of external force shaking, leads to card The phenomenon that head is easily slowly relaxed in clamping, so that the object reinforced originally no longer fastens or even collapses, reliability is obtained It is ensured less than effective, is not suitable for using for a long time.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of step fastener clamp proposed Anti-dropping device.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of step fastener clamp anti-dropping device, including kelly, one end of the kelly are fixedly connected with elbow, the kelly Lower end is fixedly connected with the first rack gear, and clamp is arranged on the kelly, and the clamp is equipped with close to one end side wall of elbow Clamping mechanism, the clamping mechanism and the first rack gear are cooperatively connected, and the clamping mechanism is fixedly connected with close to one end of elbow For protecting the protection block of clamping mechanism.

Preferably, the elbow on one end side wall of clamp vertically be equipped with more first pawls, more described first Pawl is arranged towards kelly direction.

Preferably, the clamp is equipped with more second pawls, second pawl vertically on one end side wall of elbow Positioned at the top of kelly, second pawl is arranged towards kelly direction.

Preferably, the clamping mechanism includes the sliding slot being vertically arranged on clamp side wall, is equipped with therewith in the sliding slot The sliding block to match, the sliding block are fixedly connected with fixture block far from one end of sliding slot inner wall, and the upper end of the fixture block is fixedly connected There is the second rack gear, second rack gear and the first rack gear are cooperatively connected, and the clamp is fixed on one end side wall of elbow to be connected It is connected to link block, the one end of the link block far from clamp is fixedly connected with the side wall of protection block, and the link block is equipped with upper The threaded hole of lower connection, the threaded hole is interior through bolt is threaded with, and the upper end of the bolt and the lower end of fixture block rotate Connection.

Preferably, the curvature of the elbow and the curvature of clamp are identical.

Preferably, the protection block is carbon steel material.

Compared with prior art, the utility model has the following beneficial effects:

1, by the cooperation of the clamping mechanism of setting and the first rack gear and protection block, to reach when carrying out clamping fixed, User of service can be stuck with kelly by clamp by rotating bolt after tapping clamp to suitable position, so that even if clamp The phenomenon that loosening will not occur being affected by vibrations for a long time, reliability when fastening be improved, when being convenient for long Between clamping reinforce, while protection block can also loosen when protection fixture block will not be tapped, to prevent it, deformation occurs.

2, by the cooperation of the first pawl of setting and the second pawl, clamping fixed is being carried out to required clamping object to reach When, elbow and clamp are also not easy to be detached from the object of institute clamping being pullled power by horizontal direction, improve jail when clamping Solidity and reliability.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of step fastener clamp anti-dropping device structural schematic diagram；

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

Fig. 3 is the partial enlarged view that A goes out in Fig. 2.

In figure: 1 kelly, 2 elbows, 3 first rack gears, 4 clamps, 5 clamping mechanisms, 6 protection blocks, 7 first pawls, 8 second are fallen Tooth, 9 sliding slots, 10 sliding blocks, 11 fixture blocks, 12 second rack gears, 13 link blocks, 14 bolts.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of step fastener clamp anti-dropping device, including kelly 1, one end of kelly 1 are fixedly connected with elbow 2, Elbow 2 is used to resist the side wall of template, and elbow 2 is equipped with more first pawls 7 vertically on one end side wall of clamp 4, and first Pawl 7 can also be not easy to be detached from the object of institute clamping being pullled power by horizontal direction, improve fastness when clamping and The curvature of reliability, elbow 2 is identical as the curvature of clamp 4, and more first pawls 7 are arranged towards 1 direction of kelly.

The lower end of kelly 1 is fixedly connected with the first rack gear 3, clamp 4 is arranged on kelly 1, clamp 4 is for cooperating elbow 2 Template is pushed against, clamp 4 is equipped with more second pawls 8 vertically on one end side wall of elbow 2, and the second pawl 8 is located at kelly 1 Top, the second pawl 8 towards 1 direction of kelly be arranged, the second pawl 8 is identical as the effect of the first pawl 7, and clamp 4 is close to curved First 2 one end side wall is equipped with clamping mechanism 5, and clamping mechanism 5 and the first rack gear 3 are cooperatively connected.

Clamping mechanism 5 includes the sliding slot 9 being vertically arranged on 4 side wall of clamp, is equipped with matched sliding block in sliding slot 9 10, sliding block 10 is fixedly connected with fixture block 11 far from one end of 9 inner wall of sliding slot, and the upper end of fixture block 11 is fixedly connected with the second rack gear 12, the second rack gear 12 be used for and 3 clamping of the first rack gear in order to being not easily susceptible to the shaking of outside when clamp 4 and template push against and It loosens, improves reliability when fastening, be convenient for prolonged clamping and reinforce, the second rack gear 12 and the first rack gear 3 cooperate Connection, clamp 4 are fixedly connected with link block 13, link block 13 one end and guarantor far from clamp 4 on one end side wall of elbow 2 The side wall of protecting block 6 is fixedly connected, and link block 13 is equipped with the threaded hole being connected to up and down, is run through in threaded hole and is threaded with bolt 14, the upper end of bolt 14 and the lower end of fixture block 11 are rotatablely connected, and clamping mechanism 5 is fixedly connected with close to one end of elbow 2 and is used for The protection block 6 of clamping mechanism 5 is protected, protection block 6 is carbon steel material, and protection block 6 can protect link block 13 and fixture block 11 carrying out Extracting tool is not easy directly to tap it, and preventing it, deformation occurs.

Elbow 2 is first resisted required fastening with one end of the first pawl 7 by the utility model, when in use, construction personnel The side wall of template then slides the other end side wall that its one end with the second pawl 8 is resisted template by clamp 4, to position again User of service, which reuses tool percussion clamp 4, after sliding pushes against the side wall of itself and template, and subsequent construction personnel reuses Tool rotating bolt 14 is moved to top in fixture block 11 so that fixture block 11 gradually moves under the cooperation of sliding slot 9 and sliding block 10 Afterwards, the first rack gear 3 engages the fixed movement to limit clamp 4 with the second rack gear 12, prevents it from shifting, i.e. completion fixing card Tight operation, when disassembly is desired, construction personnel can make the first rack gear 3 separate with the second rack gear 12 by rotating bolt 14 again, with Tool knock protection block 6 or clamp 4 can be used afterwards, so that clamp 4 loosens, then slided and removed, complete disassembly to next time It uses.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of step fastener clamp anti-dropping device, including kelly (1), which is characterized in that one end of the kelly (1) is fixedly connected with The lower end of elbow (2), the kelly (1) is fixedly connected with the first rack gear (3), is arranged with clamp (4), institute on the kelly (1) It states one end side wall of clamp (4) close to elbow (2) and is equipped with clamping mechanism (5), the clamping mechanism (5) and the first rack gear (3) It is cooperatively connected, the clamping mechanism (5) is fixedly connected with the protection for protecting clamping mechanism (5) close to the one end of elbow (2) Block (6).

2. a kind of step fastener clamp anti-dropping device according to claim 1, which is characterized in that the elbow (2) is close to clamp (4) more first pawls (7) are equipped on one end side wall vertically, more first pawls (7) set towards kelly (1) direction It sets.

3. a kind of step fastener clamp anti-dropping device according to claim 1, which is characterized in that the clamp (4) is close to elbow (2) more second pawls (8) are equipped on one end side wall vertically, second pawl (8) is located at the top of kelly (1), described Second pawl (8) is arranged towards kelly (1) direction.

4. a kind of step fastener clamp anti-dropping device according to claim 1, which is characterized in that the clamping mechanism (5) includes The sliding slot (9) being vertically arranged on clamp (4) side wall, the sliding slot (9) is interior to be equipped with matched sliding block (10), the cunning Block (10) is fixedly connected with fixture block (11) far from one end of sliding slot (9) inner wall, and the upper end of the fixture block (11) is fixedly connected with the Two rack gears (12), second rack gear (12) and the first rack gear (3) are cooperatively connected, the one end of the clamp (4) close to elbow (2) It is fixedly connected on side wall link block (13), the side wall of the link block (13) one end and protection block (6) far from clamp (4) is solid Fixed connection, the link block (13) are equipped with the threaded hole being connected to up and down, run through in the threaded hole and be threaded with bolt (14), the lower end rotation connection of the upper end Yu fixture block (11) of the bolt (14).

5. a kind of step fastener clamp anti-dropping device according to claim 1, which is characterized in that the curvature of the elbow (2) It is identical as the curvature of clamp (4).

6. a kind of step fastener clamp anti-dropping device according to claim 1, which is characterized in that the protection block (6) is carbon steel Material.