CN214243536U

CN214243536U - Movable arm tower crane pulley block device

Info

Publication number: CN214243536U
Application number: CN202022680203.3U
Authority: CN
Inventors: 孟庆生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-09-21
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a pulley technical field specifically is a swing arm tower machine assembly pulley device, including support body and motor, the support body includes the support frame, the surperficial swing joint of support frame has the support arm, the fixed surface of support frame is connected with the mount, the surface of mount is provided with protection machanism, protection machanism includes the motor, the fixed surface of mount is connected with the motor, the last fixed surface of mount is connected with the backup pad, the fixed surface of support arm is connected with the connecting wheel, the sliding surface of backup pad is connected with the clamp plate, the fixed surface of backup pad is connected with the connecting plate. The utility model discloses assembly pulley surface is connected with the guard plate, is convenient for fix the rope on the pulley, prevents to cause droing of rope, and is convenient for adjust and use the connection distance of pulley on equipment, and the convenience is fastened the connection between the rope, improves the availability factor of assembly pulley on equipment.

Description

Movable arm tower crane pulley block device

Technical Field

The utility model relates to a pulley technical field specifically is a swing arm tower machine assembly pulley device.

Background

The tower crane is the most common hoisting equipment in construction sites, also known as a tower crane, and is lengthened section by section for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like, and the tower crane is an essential equipment in construction sites.

The function of swing arm tower machine is that the upper portion load that bears cantilever crane stay cord and balance arm stay cord and transmit to the body of the tower structure through the revolving tower, the direct transmission of the structural component formula such as revolving stage and bearing is passed through the revolving stage, power connection between the swing arm tower machine is provided through the mutually supporting between the assembly pulley, when using, through the rotation of pulley, make it remove to the heavy object, but when using, do not have the mechanism of protecting the rope on the assembly pulley, easily cause the rope to drop or the partial rail on the pulley, and the pulley is fixed on equipment, the connection size between pulley and the rope is fixed, can not adjust, consequently need to design a swing arm tower machine assembly pulley device to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a movable arm tower machine assembly pulley device to do not have the mechanism of protecting the rope on solving the assembly pulley that proposes among the above-mentioned background art, easily cause the rope to drop or the partial rail on the pulley, the connection size between pulley and the rope is fixed, can not carry out the problem of adjusting.

In order to achieve the above object, the utility model provides a movable arm tower crane pulley block device, which comprises a frame body and a motor, wherein the frame body comprises a support frame, the surface of the support frame is movably connected with a support arm, the surface of the support frame is fixedly connected with a fixing frame, the surface of the fixing frame is provided with a protection mechanism, the protection mechanism comprises a motor, the surface of the fixing frame is fixedly connected with a motor, the upper surface of the fixing frame is fixedly connected with a support plate, the surface of the support arm is fixedly connected with a connecting wheel, the surface of the support plate is slidably connected with a pressing plate, the surface of the support plate is fixedly connected with a connecting plate, the surface of the connecting plate is movably connected with a rotating handle, the bottom end of the rotating handle is fixedly connected with a telescopic rod, the surface of the telescopic rod is sleeved with a rotating groove, and the surface of the telescopic rod is sleeved with a pressure spring, the surface of the supporting plate is movably connected with a rotating tooth.

Preferably, the supporting plate is connected to the surface of the fixing frame in a plate shape, the pressing plate is fixedly connected with the telescopic rod, the pressing plate is in a long plate shape and is connected with the supporting plate in a sliding mode, and the telescopic rod is connected with the rotary groove in a rotating mode.

Preferably, the surface of the telescopic rod is fixedly connected with a partition plate, two ends of the pressure spring are connected to the partition plate on the surface of the telescopic rod, the rotating teeth are rotatably connected with the supporting plate, and the rotating teeth are rotatably connected with the connecting wheel through a rope.

Preferably, the surface of support arm is provided with adjustment mechanism, adjustment mechanism includes the link, the fixed surface of support arm is connected with the link, the fixed surface swing joint of link has the runner, the fixed surface of link is connected with the spout, the inboard sliding connection of spout has the regulation pole, the support spring has been cup jointed on the surface of regulation pole, the fixed surface of regulation pole is connected with the depression bar, the fixed surface swing joint of depression bar has the movable rod, the movable rod's movable connection has the silk cover, the lead screw has been cup jointed to the inboard of silk cover.

Preferably, the connecting frame is connected on the surface of the supporting arm in a plurality of groups, the sliding groove penetrates through the surface of the connecting frame, the adjusting rod is connected on the inner side of the sliding groove in an L shape, and two ends of the supporting spring are fixedly connected on the surfaces of the adjusting rod and the sliding groove.

Preferably, the two ends of the movable rod are rotatably connected to the surfaces of the pressing rod and the screw sleeve through rotating rods, the screw rod is connected with the screw sleeve in a sliding mode, and the screw rod is fixedly connected with the connecting frame through a rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the pulley block surface is connected with the guard plate, is convenient for fix the rope on the pulley, prevents to cause droing of rope, and is convenient for adjust and use the connection distance of pulley on equipment, and the convenience is fastened the connection between the rope, improves the availability factor of pulley block on equipment.

(1) Through the rotation of motor, under the effect of motor, make the commentaries on classics tooth at the backup pad internal rotation, through the connection of commentaries on classics tooth and fifth wheel, make the commentaries on classics tooth pass through the fifth wheel and drive the connection angle of support arm on the support frame, under the rotation of turning handle, make the telescopic link flexible at the turn trough, through the connection of telescopic link and clamp plate, make the clamp plate slide in the backup pad, be convenient for fix the rope in the commentaries on classics tooth, under the linkage effect of pressure spring, make the connection of clamp plate in the backup pad fixed.

(2) Through the connection of link and support arm, under the rotation of lead screw, make the silk cover drive the movable rod and slide on the lead screw, under the effect of movable rod, make the depression bar promote the slip of adjusting the pole in the spout, under the effect of supporting the spring, make the regulation pole stretch out and draw back in the spout, and then make things convenient for the position control of runner on the support arm, the runner of being convenient for adjusts the connection fastening nature between the rope, be convenient for carry out timely adjustment to the connection between the rope.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is a schematic top cross-sectional view of the connection structure between the support plate and the stem of FIG. 2 according to the present invention;

fig. 4 is a schematic side cross-sectional view of the connection structure of the connection frame and the support arm of fig. 1 according to the present invention.

In the figure: 1. a frame body; 11. a support frame; 12. a support arm; 13. a fixed mount; 2. a protection mechanism; 21. a motor; 22. a support plate; 23. a connecting wheel; 24. pressing a plate; 25. a telescopic rod; 26. a handle is rotated; 27. rotating the groove; 28. a pressure spring; 29. a connecting plate; 210. rotating the teeth; 3. an adjustment mechanism; 31. a connecting frame; 32. a rotating wheel; 33. adjusting a rod; 34. a support spring; 35. a pressure lever; 36. a chute; 37. a movable rod; 38. a screw rod; 39. and (4) sheathing the silk.

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. 1-4, the present invention provides an embodiment: a pulley block device of a movable arm tower crane comprises a frame body 1 and a motor 21, the frame body 1 comprises a support frame 11, the surface of the support frame 11 is movably connected with a support arm 12, the surface of the support frame 11 is fixedly connected with a fixing frame 13, the surface of the fixing frame 13 is provided with a protection mechanism 2, the protection mechanism 2 comprises the motor 21, the surface of the fixing frame 13 is fixedly connected with the motor 21, the upper surface of the fixing frame 13 is fixedly connected with a support plate 22, the surface of the support arm 12 is fixedly connected with a connecting wheel 23, the surface of the support plate 22 is slidably connected with a pressing plate 24, the surface of the support plate 22 is fixedly connected with a connecting plate 29, the surface of the connecting plate 29 is movably connected with a rotating handle 26, the bottom end of the rotating handle 26 is fixedly connected with a telescopic rod 25, the surface of the telescopic rod 25 is sleeved with a rotating groove 27, the surface of the telescopic rod 25 is sleeved with a pressure spring 28, the surface of the support plate 22 is movably connected with a rotating tooth 210, the input end of the motor 21 is electrically connected with the output end of an external power supply through a wire, the motor 21 is rotated on the fixing frame 13, and the connection angle of the supporting arm 12 on the supporting frame 11 is changed under the connection action of the connecting wheel 23 and the supporting plate 22 through the connection between the supporting frame 11 and the supporting arm 12.

Further, the supporting plate 22 is connected to the surface of the fixing frame 13 in a plate shape, the pressing plate 24 is fixedly connected with the telescopic rod 25, the pressing plate 24 is connected with the supporting plate 22 in a sliding mode in a long plate shape, the telescopic rod 25 is rotatably connected with the rotary groove 27, the supporting plate 22 is fixed on the fixing frame 13 through connection of the supporting plate 22 and the fixing frame 13, and under the sliding effect of the pressing plate 24, a rope connected in the supporting plate 22 is fixedly connected to prevent the rope from falling off and separating.

Further, the fixed surface of telescopic link 25 is connected with the baffle, pressure spring 28 both ends are connected on the baffle on telescopic link 25 surface, rotating tooth 210 rotates with backup pad 22 and is connected, rotating tooth 210 rotates through the rope with fifth wheel 23 and is connected, through the connection of turning handle 26 and telescopic link 25, under the effect of turn trough 27, make telescopic link 25 flexible in connecting plate 29, under the connection of telescopic link 25 and clamp plate 24, be convenient for the slip of clamp plate 24 on backup pad 22, and then make the rope on the rotating tooth 210 fixed, under the connection of connecting plate 29, support clamp plate 24 in backup pad 22.

Further, the surface of the supporting arm 12 is provided with the adjusting mechanism 3, the adjusting mechanism 3 includes a connecting frame 31, the fixed surface of the supporting arm 12 is connected with the connecting frame 31, the movable surface of the connecting frame 31 is connected with a rotating wheel 32, the fixed surface of the connecting frame 31 is connected with a sliding chute 36, the inner side of the sliding chute 36 is connected with an adjusting rod 33 in a sliding manner, the surface of the adjusting rod 33 is sleeved with a supporting spring 34, the fixed surface of the adjusting rod 33 is connected with a pressing rod 35, the movable surface of the pressing rod 35 is connected with a movable rod 37, the movable surface of the movable rod 37 is connected with a wire sleeve 39, the inner side of the wire sleeve 39 is sleeved with a screw rod 38, the connecting frame 31 is connected with the supporting arm 12, the connecting frame 31 is connected with the rotating wheel 32, and the rotating wheel 32 is fixedly connected with a rope connected to the supporting frame 11.

Furthermore, the connecting frame 31 is connected on the surface of the support arm 12 in a plurality of groups, the sliding groove 36 penetrates through the surface of the connecting frame 31, the adjusting rod 33 is connected on the inner side of the sliding groove 36 in an L shape, two ends of the support spring 34 are fixedly connected on the surfaces of the adjusting rod 33 and the sliding groove 36, the adjusting rod 33 is made to stretch in the sliding groove 36 under the action of the pressing rod 35 through the connection of the pressing rod 35 and the sliding groove 36, and the adjusting rod 33 is made to stretch in the sliding groove 36 through the sleeve connection of the support spring 34 and the adjusting rod 33, so that the position of the rotating wheel 32 on the connecting frame 31 is convenient to fix.

Furthermore, two ends of the movable rod 37 are rotatably connected to the surfaces of the pressure rod 35 and the thread sleeve 39 through rotating rods, the thread rod 38 is slidably connected with the thread sleeve 39, the thread rod 38 is fixedly connected with the connecting frame 31 through a rotating shaft, the thread sleeve 39 extends and retracts on the thread rod 38 through the rotation of the thread rod 38, under the connection of the movable rod 37 and the thread sleeve 39, the movable rod 37 drives the pressure rod 35 to extend and retract in the sliding groove 36, and further, the connection distance between the rotating wheel 32 and the connecting frame 31 is changed, so that the rope can be conveniently contracted in use.

The working principle is as follows: during the use, through the connection of support frame 11 and support arm 12, under the effect of mount 13, support the connection of support arm 12 on support frame 11, under the effect of motor 21, make the commentaries on classics tooth 210 in the backup pad 22 rotate, under the connection of commentaries on classics tooth 210, make fifth wheel 23 drive the connection angle change of support arm 12 on support frame 11, under the connection of connecting plate 29 and backup pad 22, through the rotation of turning handle 26, make telescopic link 25 flexible in commentaries on classics groove 27, commentaries on classics groove 27 is fixed in the inboard of connecting plate 29, under the effect of telescopic link 25, be convenient for slide the position of clamp plate 24 on backup pad 22, under the effect of pressure spring 28, make the connection of clamp plate 24 on commentaries on classics tooth 210 fixed, be convenient for carry out surperficial protection to commentaries on classics tooth 210.

Through the connection of link 31 and runner 32, under the rotation of lead screw 38, make the silk cover 39 drive movable rod 37 flexible on lead screw 38, under the connection of spout 36 and depression bar 35, movable rod 37 and depression bar 35's connection make adjust the pole 33 flexible in spout 36, and then change the hookup location of runner 32 on link 31, through the connection of support spring 34, be convenient for change the position of adjusting the pole 33 in spout 36, and then the convenient position control to runner 32, it is comparatively practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a swing arm tower machine assembly pulley device, includes support body (1) and motor (21), its characterized in that: the frame body (1) comprises a support frame (11), the surface of the support frame (11) is movably connected with a support arm (12), the surface of the support frame (11) is fixedly connected with a fixing frame (13), the surface of the fixing frame (13) is provided with a protection mechanism (2), the protection mechanism (2) comprises a motor (21), the surface of the fixing frame (13) is fixedly connected with the motor (21), the upper surface of the fixing frame (13) is fixedly connected with a support plate (22), the surface of the support arm (12) is fixedly connected with a connecting wheel (23), the surface of the support plate (22) is slidably connected with a pressing plate (24), the surface of the support plate (22) is fixedly connected with a connecting plate (29), the surface of the connecting plate (29) is movably connected with a rotating handle (26), and the bottom of the rotating handle (26) is fixedly connected with a telescopic rod (25), the surface of the telescopic rod (25) is sleeved with a rotating groove (27), the surface of the telescopic rod (25) is sleeved with a pressure spring (28), and the surface of the supporting plate (22) is movably connected with a rotating tooth (210).

2. The boom tower crane pulley block device according to claim 1, wherein: the supporting plate (22) is connected to the surface of the fixing frame (13) in a plate shape, the pressing plate (24) is fixedly connected with the telescopic rod (25), the pressing plate (24) is in a long plate shape and is connected with the supporting plate (22) in a sliding mode, and the telescopic rod (25) is connected with the rotating groove (27) in a rotating mode.

3. The boom tower crane pulley block device according to claim 1, wherein: the fixed surface of telescopic link (25) is connected with the baffle, pressure spring (28) both ends are connected on the baffle on telescopic link (25) surface, commentaries on classics tooth (210) and backup pad (22) rotate to be connected, commentaries on classics tooth (210) and fifth wheel (23) are connected through the rope rotation.

4. The boom tower crane pulley block device according to claim 1, wherein: the surface of support arm (12) is provided with adjustment mechanism (3), adjustment mechanism (3) are including link (31), the fixed surface of support arm (12) is connected with link (31), the fixed surface of link (31) is connected with runner (32), the fixed surface of link (31) is connected with spout (36), the inboard sliding connection of spout (36) has regulation pole (33), the surface of adjusting pole (33) has cup jointed support spring (34), the fixed surface of adjusting pole (33) is connected with depression bar (35), the movable surface of depression bar (35) is connected with movable rod (37), the movable surface of movable rod (37) is connected with silk braid (39), lead screw (38) have been cup jointed to the inboard of silk braid (39).

5. The boom tower crane pulley block device of claim 4, wherein: the connecting frame (31) is connected on the surface of the supporting arm (12) in a plurality of groups, the sliding groove (36) penetrates through the surface of the connecting frame (31), the adjusting rod (33) is connected on the inner side of the sliding groove (36) in an L shape, and two ends of the supporting spring (34) are fixedly connected on the surfaces of the adjusting rod (33) and the sliding groove (36).

6. The boom tower crane pulley block device of claim 4, wherein: the surface at depression bar (35) and silk cover (39) is connected through the bull stick rotation at the both ends of movable rod (37), lead screw (38) and silk cover (39) sliding connection, lead screw (38) are through pivot and link (31) fixed connection.