CN219429529U - Unloading force device for tower crane cable - Google Patents

Abstract

The utility model discloses an unloading force device for a tower crane cable, which comprises a supporting seat assembly arranged on a standard web member of the tower crane, wherein one side of the supporting seat assembly is connected to the standard web member of the tower crane, an integrated clamp for clamping the cable is arranged on the other side of the supporting seat assembly, the supporting seat assembly comprises an inserting supporting cylinder and a bending supporting frame, the outer wall of the inserting supporting cylinder is fixed on the standard web member of the tower crane, the fixed end of the supporting frame is inserted in the inserting supporting cylinder, the supporting end of the supporting frame is bent towards the outer side of the standard web member of the tower crane, and the integrated clamp is arranged on the outer wall of the bending part of the supporting frame. The unloading force device can effectively clamp and fix the cable, realize the effect of unloading the load of the cable, does not influence the jacking operation of the tower crane, and can effectively prevent the cable from drifting in a large range along with wind.

Description

Unloading force device for tower crane cable

Technical Field

The utility model belongs to the technical field of building hoisting mechanical equipment, and particularly relates to an unloading force device for a tower crane cable.

Background

When the tower crane height reaches a certain height, the cable needs to be fixed in a segmented mode, the situation that the cable is directly downward to generate excessive self-gravity is avoided, and the possibility that the cable is strained is reduced. At present, most tower crane cables are only provided with a fixed pulley below the rotation, when the height of the tower crane is increased, the cables are also lengthened continuously, when the height reaches hundreds of meters, the cables generate larger self-gravity, and although the cables have tensile capacity, more projects still require a device for reinforcing the unloading force of the cables, and the existing factory equipment does not have the device, so that the safety use requirement of the tower crane cannot be met.

Disclosure of Invention

The utility model aims to provide an unloading force device for a tower crane cable, which can effectively clamp and fix the cable, realize the effect of unloading load force of the cable, does not influence the jacking operation of the tower crane and can effectively prevent the cable from drifting in a large range along with wind. In order to achieve the above purpose, the present utility model adopts the following technical effects:

according to one aspect of the utility model, there is provided an unloading force device for a tower crane cable, the unloading force device comprises a supporting seat assembly arranged on a standard web member of the tower crane, one side of the supporting seat assembly is connected to the standard web member of the tower crane, an integrated clamp for clamping the cable is arranged on the other side of the supporting seat assembly, the supporting seat assembly comprises a splicing supporting cylinder and a bending supporting frame, the outer wall of the splicing supporting cylinder is fixed on the standard web member of the tower crane, the fixed end of the supporting frame is spliced in the splicing supporting cylinder, the supporting end of the supporting frame is bent towards the outer side of the standard web member of the tower crane, and the integrated clamp is arranged on the outer wall of a bending part of the supporting frame.

The above scheme is further preferable, the fixed end length of the support frame is greater than the length of the support end of the support frame, and the fixed end of the support frame is vertically inserted in the insertion support cylinder.

In the above scheme, it is further preferable that the supporting frame is bent in a U shape, a V shape or an L shape.

The above scheme is further preferable that supporting key grooves which are in cross symmetry are distributed on the inner wall of the opening part at the upper end of the plugging supporting cylinder, and a clamping key head matched with the supporting key grooves is arranged on the outer wall of the fixed end of the supporting frame.

The above scheme is further preferable that a limit lifting nut is connected with the fixed end of the supporting frame below the lower end of the plugging supporting cylinder in a threaded manner.

The scheme is further preferable that the outer walls of the upper end and the lower end of the plugging support cylinder are provided with connecting lugs, clamping plates are arranged on standard web members of the tower crane corresponding to one side of the connecting lugs, and locking screws connected with the clamping plates are respectively arranged on the upper end and the lower end of the clamping plates.

The integrated clamp comprises a connecting plate, a right clamp and a left clamp, wherein the connecting plate is welded on the outer side wall of the bending part of the supporting frame, the right clamp is fixedly connected to the connecting plate through bolts, and a clamping cavity which penetrates through in a circular shape and is used for vertically clamping a cable is formed in the center of the right clamp and the left clamp when the right clamp and the left clamp are clamped and folded.

Above-mentioned scheme is further preferred, is provided with the threaded connection hole of connection on the connecting plate on the bottom outer wall of right anchor clamps, the grip orifice clamp of left side anchor clamps is followed grip orifice outer wall edge centre gripping of right side anchor clamps is provided with a plurality of fixed stay lugs along vertical direction in the grip orifice both sides of right side anchor clamps, right side anchor clamps pass through connecting bolt connection at the kink lateral wall of fixed stay lug and support frame.

In summary, the utility model adopts the technical scheme, and has the following technical effects:

the utility model discloses an unloading force device can effectually centre gripping fixed cable, realizes that the cable unloads the effect of load, does not influence tower machine jacking operation moreover, can prevent effectively that the cable from drifting on a large scale along with the wind to satisfy cable safety operation requirement, the cable after fixing has the unloading force of different degree on every fixed point, and easy to assemble and dismantlement.

Drawings

FIG. 1 is a schematic illustration of the construction of an unloading force device for a tower crane cable according to the present utility model;

FIG. 2 is a schematic view of the structure of the plug support cartridge of the present utility model;

FIG. 3 is a schematic cross-sectional view of a plug support cartridge of the present utility model;

FIG. 4 is a schematic diagram of the integrated fixture of the present utility model;

in the drawing, a tower crane standard web member 1, a supporting seat assembly 2, an integrated clamp 3, a cable 4, a plug-in supporting cylinder 20, a supporting frame 21, a supporting key groove 22, a clamping key head 23, a limiting lifting nut 24, a connecting plate 30, a right clamp 31, a left clamp 32, a clamping cavity 33, a threaded connecting hole 34, a fixed supporting lug 35, a connecting lug 200, a clamping plate 201 and a locking screw 202.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the utility model, and that these aspects of the utility model may be practiced without these specific details.

As shown in fig. 1 and 2, according to the present utility model, an unloading force device for a cable of a tower crane includes a supporting seat assembly 2 disposed on a standard web member 1 of the tower crane, one side of the supporting seat assembly 2 is connected to the standard web member 1 of the tower crane, an integrated clamp 3 for clamping the cable 4 is disposed on the other side of the supporting seat assembly 2, the supporting seat assembly 2 includes a plugging support cylinder 20 and a bending support frame 21, an outer wall of the plugging support cylinder 20 is fixed on the standard web member 1 of the tower crane, a fixed end of the support frame 21 is plugged in the plugging support cylinder 20, a supporting end of the support frame 21 is bent towards an outer side of the standard web member 1 of the tower crane, and the integrated clamp 3 is disposed on an outer wall of a bending part of the support frame 21.

The utility model discloses in the nature is novel, support frame 21 is U-shaped, V-arrangement or L shape and buckles, the stiff end length of support frame 21 is greater than the length of its supporting end, the vertical grafting of stiff end of support frame 21 is in grafting support section of thick bamboo 20, buckle one end short of grafting is fixed one end promptly, wherein support frame 21 is the bracing piece that a U-shaped, V-arrangement or L shape buckled, the distribution is provided with the support keyway 22 that is the cross symmetry on the upper end opening inner wall of grafting support section of thick bamboo 20, be provided with the screens key head 23 that matches with support keyway 22 on the stiff end outer wall of support frame 21, when the cable is promoted, the screens key head 23 of support frame 21 slide from top to bottom along support keyway 22, when the cable is promoted, support frame 21 has been prevented that the swing is too big, thereby do not influence the operation of tower machine jacking (can carry by oneself when jacking, do not need extra loose bolt).

In the utility model, threaded connection has spacing lifting nut 24 on the fixed end of support frame 21 of grafting support section of thick bamboo 20 lower extreme below, and when the cable was promoted, the screens key head 23 of support frame 21 was slided from top to bottom along supporting keyway 22 in, and when the cable was promoted, spacing lifting nut 24 on the support frame 21 lower extreme received the blocking of grafting support section of thick bamboo 20 lower extreme, and prevented that support frame 21 from further rising along with the cable.

In the utility model, the outer walls of the upper end and the lower end of the splicing supporting cylinder 20 are provided with connecting lugs 200, a clamping plate 201 is arranged on the tower crane standard section web member 1 corresponding to one side of the connecting lugs 200, and locking screws 202 connected with the clamping plate 201 are respectively arranged on the upper end and the lower end of the clamping plate 201; the plug-in support cylinder 20 is clamped and fixed on the standard web member 1 through the locking screw 202 and the clamping plate 201, the locking screw 202 is respectively positioned on the upper side and the lower side of the standard web member 1 of the tower crane, one end of the locking screw 202 is connected through the clamping plate 201, and the other end of the locking screw 202 is connected to the connecting lug 200 of the plug-in support cylinder 20, so that the plug-in support cylinder 20 is clamped and fixed on the standard web member 1 of the tower crane.

In the utility model, integrated anchor clamps 3 include connecting plate 30, right anchor clamps 31 and left anchor clamps 32, connecting plate 30 welding is in on the lateral wall of the kink of support frame 21, right anchor clamps 31 pass through bolted connection and fix on connecting plate 30, right anchor clamps 31 and left anchor clamps 32 centre gripping are formed with a centre gripping cavity 33 that is circular throughout that is used for vertical centre gripping cable 4 when folding. The bottom outer wall of the right clamp 31 is provided with a threaded connection hole 34 connected to the connecting plate 30, the clamping opening of the left clamp 32 is clamped along the edge of the outer wall of the clamping opening of the right clamp 31, a plurality of fixing support lugs 35 along the vertical direction are arranged on two sides of the clamping opening of the right clamp 31, the right clamp 31 is connected to the outer side wall of the bending part of the support frame 21 through a connection bolt 36, the right clamp 31 is fixed to the connecting plate 30 through the connection bolt 36, then the left clamp 32 is closed to the right clamp 31 to form a clamping cavity 33, a cable 4 is clamped in the clamping cavity 33, one end of the connection bolt 36 is connected to the fixing support lug 35 of the right clamp 31, and the other end of the connection bolt 36 is fixedly connected to the bending part of the support frame 21, so that the cable is clamped on the integrated clamp 3, at the moment, the U-shaped, V-shaped or L support frame 21 (support rod) can be inserted into the support barrel 20, the clamping key head 23 is clamped in the support key groove 22 to prevent the support frame 21 from swinging excessively, and meanwhile, the cable 21 is screwed into the support frame 21 below the lower end 21 of the support barrel 20 through the lifting nut, the lifting nut 24 is screwed up along with the cable carrier 21, and the effect of the cable carrier is not influenced by a certain sliding tower, and the cable carrier is not influenced in the lifting operation range.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (8)

1. An unloading force device for a tower crane cable, which is characterized in that: the unloading force device comprises a supporting seat assembly arranged on a standard web member of the tower crane, one side of the supporting seat assembly is connected to the standard web member of the tower crane, an integrated clamp for clamping a cable is arranged on the other side of the supporting seat assembly, the supporting seat assembly comprises a splicing supporting cylinder and a supporting frame which is in a bending shape, the outer wall of the splicing supporting cylinder is fixed on the standard web member of the tower crane, the fixed end of the supporting frame is spliced in the splicing supporting cylinder, the supporting end of the supporting frame bends towards the outer side of the standard web member of the tower crane, and the integrated clamp is arranged on the outer wall of the bending part of the supporting frame.

2. An unloading force device for a tower crane cable according to claim 1, wherein: the fixed end length of the support frame is greater than the length of the support end of the support frame, and the fixed end of the support frame is vertically inserted into the insertion support cylinder.

3. An unloading force device for a tower crane cable according to claim 1 or 2, characterized in that: the support frame is U-shaped, V-shaped or L-shaped bent.

4. An unloading force device for a tower crane cable according to claim 1 or 2, characterized in that: support keyways which are in cross symmetry are distributed on the inner wall of the opening part at the upper end of the plug-in support cylinder, and clamping key heads matched with the support keyways are arranged on the outer wall of the fixed end of the support frame.

5. An unloading force device for a tower crane cable according to claim 1 or 2, characterized in that: and a limiting lifting nut is connected with the fixed end of the support frame below the lower end of the plug-in support cylinder in a threaded manner.

6. An unloading force device for a tower crane cable according to claim 4, wherein: the connecting lugs are arranged on the outer walls of the upper end and the lower end of the plugging support cylinder, clamping plates are arranged on standard web members of the tower crane on one side of the connecting lugs, and locking screws connected with the clamping plates are respectively arranged on the upper end and the lower end of the clamping plates.

7. An unloading force device for a tower crane cable according to claim 1, wherein: the integrated clamp comprises a connecting plate, a right clamp and a left clamp, wherein the connecting plate is welded on the outer side wall of the bending part of the support frame, the right clamp is fixedly connected to the connecting plate through bolts, and a clamping cavity which penetrates in a circular shape and is used for vertically clamping a cable is formed in the center of the right clamp and the left clamp when the right clamp and the left clamp are clamped and folded.

8. An unloading force device for a tower crane cable according to claim 7, wherein: the clamping opening clamp of the left clamp is clamped along the edge of the outer wall of the clamping opening of the right clamp, a plurality of fixing support lugs in the vertical direction are arranged on two sides of the clamping opening of the right clamp, and the right clamp is connected with the outer side wall of the bending part of the supporting frame through connecting bolts.