CN218403321U

CN218403321U - Steel rail hoisting clamp

Info

Publication number: CN218403321U
Application number: CN202222933732.9U
Authority: CN
Inventors: 雷本健; 曲兆雷; 骆小芳; 孙国安; 贾思旭
Original assignee: Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-01-31
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a rail hoist and mount fixture, including left clamping jaw, right clamping jaw, be used for connecting into fixture's connecting piece with this left clamping jaw relatively, and be used for opening this fixture's locking subassembly, the locking subassembly is the cam of arc landslide form including being fixed in the relative outside of this left clamping jaw, driven handle, and be used for locking driven handle and connect in the locking lever in the left clamping jaw outside, set up the slip passage that supplies left clamping jaw and cam to wear to establish on the driven handle, on the slip passage and corresponding to this cam outside position through connection have with cam sliding fit's activity axostylus axostyle, driven handle's first end articulates in right clamping jaw, driven handle's second end extends the link that forms to supply the locking lever to connect to the outside of cam. The utility model discloses a locking subassembly is hoisted the operation with left clamping jaw and right clamping jaw locking, has solved among the prior art and has tied up the big technical problem of the wearing and tearing loss that the rail lifted by crane through the suspender.

Description

Steel rail hoisting clamp

Technical Field

The utility model relates to a construction field especially relates to a rail hoist and mount fixture.

Background

The construction of urban subway tunnels generally adopts shield method operation, and shield method construction needs supporting tunnel construction transport vehicle, and the tunnel transport vehicle adopts the formula transport vechicle of rail-mounted most at present. The rail-mounted transport vehicle is required to be paved with two 43# or 38# temporary walking steel rails (with the weight per meter) along the direction of the tunnel line. Because the weight of the steel rail is larger, an electric winch matched with a shield machine is needed to be adopted to tie up the steel rail through a hanging strip during the installation of the steel rail, so that the hoisting and subsequent installation and removal of the steel rail are realized. The steel rail is bound by the sling, the efficiency is low, the sling is worn, lost and damaged in the using process, needs to be frequently replaced, and the cost is high.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned prior art, the utility model provides a rail hoist and mount fixture has solved among the prior art and has tied up the big technical problem of wearing and tearing loss that the rail hoisted through the suspender.

The utility model discloses a rail hoist and mount fixture, including left clamping jaw, right clamping jaw, be used for connecting into fixture's connecting piece with this left clamping jaw relatively, and be used for opening this fixture's locking subassembly, this locking subassembly is the cam of arc landslide form including being fixed in the relative outside of this left clamping jaw, driven handle, and be used for locking this driven handle and connect in the locking lever in this left clamping jaw outside, set up the sliding channel who supplies this left clamping jaw and this cam to wear to establish on this driven handle, on this sliding channel and corresponding to this cam outside position through connection have with this cam sliding fit's activity axostylus axostyle, this driven handle's first end articulates in this right clamping jaw, this driven handle's second end extends the link that forms to supply this locking lever to connect to the outside of this cam.

The utility model discloses rail hoist and mount fixture further improves and lies in, and the lower extreme of the upper end of this left clamping jaw and this right clamping jaw of this left clamping jaw and the upper end of this right clamping jaw rotate the exposed core that the both ends of connecting this connecting piece, this left clamping jaw and this right clamping jaw relatively formed and are used for this rail of centre gripping, and this locking lever is located the below of this cam.

The utility model discloses rail hoist and mount fixture further improves and lies in, and the surface of this cam forms to the gentle, steep and gentle syllogic arc landslide in lower part in upper portion.

The utility model discloses rail hoist and mount fixture further improves and lies in, and the lower extreme of this cam is fixed with and is used for blocking the gliding baffle of this activity axostylus axostyle.

The utility model discloses rail hoist and mount fixture further improves and lies in, is equipped with the couple on this locking lever, is equipped with on this link to supply this couple to hang hanging hole or peg of establishing.

The utility model discloses rail hoist and mount fixture further improves and lies in, is connected with the first spring that is compression state between this left clamping jaw and this right clamping jaw.

The utility model discloses rail hoist and mount fixture further improves and lies in, and this locking lever passes through the second spring to be connected with this left clamping jaw, and when this locking lever was connected in this link, this second spring was the extension state.

The utility model discloses rail hoist and mount fixture further improves and lies in, and the top of this left clamping jaw and this right clamping jaw is the hub connection jointly in this connecting piece, offers the hole for hoist and mount on this connecting piece.

Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a locking subassembly is hoisted the operation with left clamping jaw and right clamping jaw locking, has solved among the prior art and has tied up the big technical problem of the wearing and tearing loss that the rail lifted by crane through the suspender. This device need not to use the suspender to tie up the rail and hoist again, has avoided the suspender wearing and tearing and has carried out the operation of change many times, has reduced operation personnel working strength, and work efficiency is higher, and this device can repeat repetitious usage to can be applied to other members that need hoist.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is the structural schematic diagram of the steel rail hoisting fixture of the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

As shown in fig. 1, the utility model provides a rail hoist and mount fixture, including left clamping jaw 2, right clamping jaw 3, be used for connecting into fixture's connecting piece 11 with this left clamping jaw 2 and this right clamping jaw 3 relatively, and be used for opening this fixture's locking subassembly, this locking subassembly is including being fixed in this left clamping jaw 2 relative outside and being the cam 6 of arc slope form, driven handle 4, and be used for locking this driven handle 4 and connect in the locking lever 8 in this left clamping jaw 2 outside, set up the sliding channel who supplies this left clamping jaw 2 and this cam 6 to wear to establish on this driven handle 4, on this sliding channel and correspond to this cam 6 outside position through connection have with this cam 6 sliding fit's activity axostylus axostyle, the first end of this driven handle 4 articulates in this right clamping jaw 3, the second end of this driven handle 4 extends to the outside of this cam 6 and forms the link 7 that supplies this locking lever 8 to connect. In this embodiment, this driven handle 4's first end is with right clamping jaw 3 coupling, and this driven handle 4 includes that two clamps locate the clamping piece of left clamping jaw 2 and right clamping jaw 3, and the pivot is worn to be equipped with by the first end of two clamping pieces, has seted up on the right clamping jaw 3 and has supplied the pivot to wear to be equipped with the trompil, and this activity axostylus axostyle is worn to be equipped with by the second end of two clamping pieces. Compared with the existing hoisting mode of binding the finger-bound steel rail by the binding belt, the device is more convenient to use and can be repeatedly utilized.

Preferably, the upper end of the left clamping jaw 2 and the upper end of the right clamping jaw 3 are respectively and rotatably connected with two ends of the connecting piece 11, the lower end of the left clamping jaw 2 and the lower end of the right clamping jaw 3 are oppositely formed into a clamping end for clamping the steel rail, and the locking rod 8 is positioned below the cam 6. In this embodiment, the left clamping jaw 2 and the right clamping jaw 3 are both in an L shape arranged oppositely, and the shape of the clamping end position is matched with the shape of the head of the steel rail 1, so as to facilitate clamping and loosening.

Preferably, the surface of the cam 6 is formed into a three-stage arc-shaped landslide of gentle upper portion, steep middle portion, and gentle lower portion, so as to be smoother when sliding on the steep upper portion and steep middle portion, and can be slower when sliding on the steep lower portion, and further, the movable shaft can be prevented from being retreated to the steep middle portion, and thus the driven handle 4 can be prevented from being more easily released, and in addition, the locking lever 8 can be made to perform the locking operation more easily. The distance between the rotating shaft and the movable shaft lever is the distance between the rotating shaft and the lower gentle section of the cam 6. The cam 6 in the device is in an arc-shaped slip slope shape so as to conveniently lock the driven handle 4 in a sliding way, and in the process, the left clamping jaw 2 and the right clamping jaw 3 are also clamped on the steel rail 1 by the sliding of the driven handle 4.

Preferably, a baffle 10 for blocking the sliding of the movable shaft is fixed at the lower end of the cam 6. When this baffle 10's position should be located driven handle 4 and draw to the baffle 10 position, left clamping jaw 2 and right clamping jaw 3 just press from both sides tight rail 1 to the realization is when locking left clamping jaw 2 and right clamping jaw 3, and left clamping jaw 2 and right clamping jaw 3 also just can press from both sides tight rail 1.

Preferably, the locking rod 8 is provided with a hook, and the connecting end 7 is provided with a hanging hole or a hanging rod for hanging the hook. Furthermore, the connecting end 7 can be set as two oppositely arranged extension rods, and a hanging rod for hanging the hook is connected between the extension rods. When the hook is hung on the hanging rod, the position of the driven handle 4 is locked, and the left clamping jaw 2 and the right clamping jaw 3 are prevented from loosening.

Preferably, a first spring 5 is connected between the left clamping jaw 2 and the right clamping jaw 3 in a compressed state, so that the first spring 5 always has the elasticity of opening the left clamping jaw 2 and the right clamping jaw 3. This first spring 5 can assist the operation of opening of left clamping jaw 2 and right clamping jaw 3, makes left clamping jaw 2 and right clamping jaw 3 can easily open to it is more laborsaving.

Preferably, the locking lever 8 is connected to the left jaw 2 through a second spring 9, and when the locking lever 8 is connected to the connecting end 7, the second spring 9 is in an extended state, so that the second spring 9 generates a pulling force for tensioning the connecting end 7 when the hook hooks the connecting end 7. The second spring 9 can assist the locking rod 8 in tensioning the driven handle 4, and the hook can be hung conveniently.

Preferably, the tops of the left clamping jaw 2 and the right clamping jaw 3 are jointly pivoted to the connecting piece 11, and the connecting piece 11 is provided with a hoisting hole for hoisting. The connecting piece 11 can be conveniently connected with a lifting rope of an electric winch or other hoisting equipment. The left clamping jaw 2 and the right clamping jaw 3 are in shaft connection with the connecting piece 11, so that the opening and closing operation is realized when the rotating is carried out.

The device operates as follows:

1) Connecting the connecting piece 11 with a hoisting steel wire rope and a lifting hook of an electric winch integrated on the shield machine;

2) The driven handle 4 is lifted, and the left clamping jaw 2 and the right clamping jaw 3 are opened under the auxiliary action of the tension of the first spring 5;

3) Clamping a left clamping jaw 2 and a right clamping jaw 3 at the head of a steel rail 1 to be hoisted;

4) The driven handle 4 is pressed downwards to the bottom, the left clamping jaw 2 and the right clamping jaw 3 are driven to firmly lock the head of the steel rail 1 to be hoisted, the hook of the locking rod 8 is connected and tensioned with the connecting end 7, and the driven handle 4 is prevented from loosening in the hoisting process under the action of the gravity of the driven handle 4 and the tensioning force of the second spring 9;

5) Starting an electric winch, slowly hoisting the steel rail 1, and transporting the steel rail to the position above the position where the steel rail 1 to be extended and lengthened is positioned for the traveling of a construction transportation vehicle in the tunnel;

6) The electric winch is operated to slowly unload the steel rail 1 to the ground of the in-position, the driven handle 4 and the hook of the locking pull rod are loosened, the driven handle 4 is lifted, and the left clamping jaw 2 and the right clamping jaw 3 are opened under the auxiliary action of the tension of the first spring 5;

7) And starting the electric winch again, repeating the actions, and hoisting the next steel rail 1.

The utility model discloses a locking subassembly is hoisted the operation with left clamping jaw and right clamping jaw locking, has solved among the prior art and has tied up the big technical problem of the wearing and tearing loss that the rail lifted by crane through the suspender. This device need not to use the suspender to tie up the rail and hoist again, has avoided the suspender wearing and tearing and has carried out the operation of change many times, has reduced operation personnel working strength, and work efficiency is higher, and this device can repeat repetitious usage to can be applied to other members that need hoist.

The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above embodiments, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. The utility model provides a rail hoist and mount fixture, its characterized in that, include left clamping jaw, right clamping jaw, be used for with left side clamping jaw with right clamping jaw relatively connects into fixture's connecting piece and is used for opening and shutting fixture's locking subassembly, the locking subassembly is including being fixed in the relative outside of left side clamping jaw is the cam of arc landslide form, driven handle and be used for the locking driven handle and connect in the locking lever in the left side clamping jaw outside, seted up the confession on the driven handle left side clamping jaw with the slip passage that the cam wore to establish, on the slip passage and corresponding to cam outside position through connection have with cam sliding fit's movable shaft pole, driven handle's first end articulate in right clamping jaw, driven handle's second end to the outside of cam extends the formation confession the link that the locking lever is connected.

2. The steel rail hoisting fixture according to claim 1, wherein the upper end of the left clamping jaw and the upper end of the right clamping jaw are rotatably connected with two ends of the connecting piece, the lower end of the left clamping jaw and the lower end of the right clamping jaw respectively to form a clamping end for clamping the steel rail, and the locking rod is located below the cam.

3. The rail lifting fixture of claim 1, wherein the surface of the cam is formed as a three-stage arcuate ramp with a gentle upper portion, a steep middle portion, and a gentle lower portion.

4. The rail lifting clamp according to claim 1, wherein a baffle plate for blocking the sliding of the movable shaft is fixed to a lower end of the cam.

5. The steel rail hoisting fixture according to claim 1, wherein the locking rod is provided with a hook, and the connecting end is provided with a hanging hole or a hanging rod for hanging the hook.

6. The rail lifting clamp according to claim 1, wherein a first spring is connected between the left jaw and the right jaw in a compressed state.

7. The rail lifting clamp of claim 1, wherein the locking bar is connected to the left jaw by a second spring, the second spring being in an extended state when the locking bar is connected to the connection end.

8. The steel rail hoisting clamp according to claim 1, wherein the tops of the left clamping jaw and the right clamping jaw are jointly axially connected to the connecting piece, and the connecting piece is provided with a hoisting hole for hoisting.