Anti-falling pulley

Abstract

The utility model discloses an anti-falling tackle, which belongs to the technical field of tackles and comprises a tackle body, a hanging seat is mounted at the top of the tackle body in a hinged manner, a fixing pipe is mounted in the middle of the hanging seat in a penetrating manner, a limiting pipe is fixed at the bottom of the fixing pipe, a hanging ring is fixed at the top of the fixing pipe, and an inlet is formed in one side of the hanging ring. A pull rod penetrates through the bottom of the hanging ring, the bottom end of the pull rod penetrates through and extends into the fixing pipe, a positioning rod is fixed to the bottom of the pull rod and slidably connected with the limiting pipe and the fixing pipe, and a positioning hole is formed in one side of the positioning rod. After the slip rope is hung in the hanging ring, the two sides of the rope can be limited by the limiting block and the stop lever at the same time, so that the falling of the pulley caused by the falling of the rope can be prevented, the movement range of the rope is reduced by the left and right limiting ropes, the friction force between the rope and the hanging ring is reduced, and the friction loss between the rope and the hanging ring is reduced; therefore, the safety of the anti-falling tackle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a trolley technical field, in particular to a trolley of anti -falling. BACKGROUND

[0002] The lifting trolley is an important hoisting tool, which is simple in structure, convenient to use, can change the direction of the trolley and the trolley group traction cable multiple times, and hoist or move the running object, especially the trolley group composed of the trolley, cooperates with the winch, the mast or other hoisting machinery, and is widely used in building installation operation. The product specification is from 0.03 to 320T, the wheel train is from single wheel to twelve wheels, and the lifting has four kinds of lifting hooks, chain rings, lifting rings and lifting beams, which can be selected by users.

[0003] The simple dismounting trolley disclosed in the application No. 202210889655.3 can conveniently dismount, replace and reorganize the hooks, so that the trolley meets more diverse use requirements, the dismounting of the sleeve rod can be completed by simply pushing, the operation is convenient, the learning cost is lower, the structure is suitable for most trolleys, and the trolley has a large application range.

[0004] At present, the above-mentioned application still has some deficiencies:

[0005] The simple dismounting trolley is convenient to dismount and operate, but the hook part is open, and in the use process, the sliding rope is easy to separate from the hook and cause the trolley or heavy object to fall, which not only affects normal operation but also can cause dangerous accidents, and has great safety hazards, and although some fully enclosed rings replace the hooks and prevent the sliding rope from falling, the dismounting is inconvenient, and the use has strong limitations.

[0006] Therefore, a trolley of anti -falling is designed to optimize the above-mentioned problems. CONTENT OF THE UTILITY MODEL

[0007] The utility model discloses a trolley of anti -falling can use the limiting block and the baffle rod to limit the two sides of the rope simultaneously after the sliding rope hangs to the inside of the hanging ring, not only can prevent the falling of the rope and cause the trolley to fall, but also the left and right limiting ropes reduce the activity range of the rope, reduce the friction between the hanging ring, reduce the friction loss of both, thereby improve the safety of the trolley of anti -falling.

[0008] The purpose of the utility model can be achieved by adopting the following technical scheme:

[0009] The utility model provides a kind of anti-falling pulley, including pulley main body, the top of pulley main body is connected and installed with the seat of hanging, the middle position of seat of hanging is penetrated and installed with fixed pipe, the bottom of fixed pipe is fixed with limit pipe, the top of fixed pipe is fixed with the ring of hanging, the side of ring of hanging is equipped with entrance, the bottom of ring of hanging is penetrated and installed with pull rod, and the bottom end of pull rod is penetrated and extends to the inside of fixed pipe, the bottom of pull rod is fixed with the locating rod, and locating rod is slidably connected with limit pipe and fixed pipe, the side of locating rod is equipped with locating hole, and locating hole is movably connected with limit rod, and the both ends of limit rod are fixedly installed with screw rod, and screw rod is penetrated and extends to the outside of fixed pipe, and the connecting place of fixed pipe and screw rod is equipped with screw hole, the top of pull rod is fixed with limit block, the top of both ends of limit block is symmetrically provided with stop rod, and limit assembly is arranged on stop rod, and support assembly is arranged between ring of hanging and seat of hanging.

[0010] Preferably: support assembly includes reinforcing pipe and rotating pipe, reinforcing pipe is sleeved on the outside of the bottom of ring of hanging, the bottom of reinforcing pipe is fixed with rotating pipe, and the diameter of rotating pipe is greater than the diameter of fixed pipe, the inside of rotating pipe is rotatably connected with support pipe, and support pipe is located at the top of seat of hanging, and one side of rotating pipe is equipped with through hole.

[0011] Preferably: limit assembly includes clamping groove and limit plate, and clamping groove is respectively equipped on the top of stop rod, and limit plate is rotatably installed in the inside of clamping groove.

[0012] Preferably: one end of screw rod is fixedly installed with handle, and anti-skid line is arranged on the outside of handle.

[0013] Preferably: buffer ring is arranged in the inside of ring of hanging and located on the outside of pull rod, and buffer ring is rubber ring.

[0014] Preferably: protective pad is arranged on the outside of limit plate, and protective particle is arranged on protective pad.

[0015] Preferably: anti-skid strip is arranged on both sides of limit block, and arc-shaped groove is equipped on the top of limit block.

[0016] The utility model discloses the beneficial effects are:

[0017] The utility model provides a kind of anti-falling pulley, through the cooperation of pulley main body, seat of hanging, limit pipe, fixed pipe, ring of hanging, entrance, limit rod, screw rod, locating rod, locating hole, pull rod, limit block and stop rod, can be used after the limit block and stop rod to the two sides of rope simultaneously after being hanged to the inside of slide cable ring, not only can prevent the falling of pulley caused by the drop of rope, and left and right limit rope reduces the activity range of rope, reduces the friction between ring of hanging, reduces the friction loss of both, to improve the security of the anti-falling pulley;

[0018] By cooperation of the clamping groove and the limiting plate, the limiting plate is clamped at front and back sides of the hanging ring when not in use, preventing the pull rod and the limiting block from rotating, and playing a limiting role, and when in use, the limiting plate also plays a limiting role during upward movement along the hanging ring, facilitating quick clamping of the blocking rod outside the hanging ring and the rope, and improving operation convenience.

[0019] By cooperation of the reinforcing pipe, the rotating pipe, the through opening and the supporting pipe, the reinforcing pipe plays a role of fixing and increasing strength on the outside of the hanging ring, the rotating pipe and the supporting pipe share the pulling force of the fixed pipe part through the rotating connection, avoiding breakage of the fixed pipe to cause direct separation of the hanging ring and the hanging seat, further reducing the probability of falling, and improving the strength of the anti-falling pulley. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view of the utility model;

[0021] Figure 2 It is a front view of the utility model; Figure 1 It is a structure enlarged view of A in the figure;

[0022] Figure 3 It is a connecting schematic view of the limiting block and the blocking rod of the utility model;

[0023] Figure 4 It is a front view of the utility model; Figure 1 It is a structure enlarged view of B in the figure;

[0024] Figure 5 It is a rotating pipe schematic view of the utility model.

[0025] In the figure: 1, pulley main body; 2, hanging seat; 3, limiting pipe; 4, fixed pipe; 5, hanging ring; 6, inlet; 7, limiting rod; 8, screw rod; 9, positioning rod; 10, positioning hole; 11, pull rod; 12, limiting block; 13, blocking rod; 14, clamping groove; 15, limiting plate; 16, reinforcing pipe; 17, rotating pipe; 18, supporting pipe; 19, supporting assembly; 20, limiting assembly; 21, through opening. DETAILED DESCRIPTION

[0026] In order to make the person skilled in the art more clearly and explicitly understand the technical scheme of the utility model, the utility model is further described in detail below in combination with embodiments and drawings, but the implementation mode of the utility model is not limited thereto.

[0027] For example, Figures 1-5As shown, the embodiment provides a kind of anti-falling pulley, including pulley main body 1, the top of pulley main body 1 is connected and installed with hanging seat 2, fixed tube 4 is installed in the middle position of hanging seat 2, limit tube 3 is fixed in the bottom of fixed tube 4, hanging ring 5 is fixed in the top of fixed tube 4, buffer ring is arranged in the inside of hanging ring 5 and located the outside of pull rod 11, and buffer ring is rubber ring, when not using limit block 12, the bottom of limit block 12 can be buffered and protected, reduce the impact and friction between limit block 12 and hanging ring 5, entrance 6 is opened in the side of hanging ring 5, pull rod 11 is installed in the bottom of hanging ring 5, and the bottom end of pull rod 11 is penetrated and extends to the inside of fixed tube 4, limit rod 9 is fixed in the bottom of pull rod 11, and limit rod 9 is slidably connected with limit tube 3 and fixed tube 4, limit hole 10 is opened in the side of limit rod 9, limit rod 7 is movably connected in the inside of limit hole 10, screw 8 is fixedly installed at both ends of limit rod 7, and screw 8 is penetrated and extends to the outside of fixed tube 4, one end of screw 8 is fixedly installed with handle, and anti-skid line is arranged on the outside of handle, the setting of handle and anti-skid line facilitates the rotation operation of screw 8, saves labor and is convenient, screw hole is opened in the connecting place of fixed tube 4 and screw 8, limit block 12 is fixed in the top of pull rod 11, anti-skid strip is arranged on the both sides of limit block 12, and arc-shaped slot is opened in the top of limit block 12, anti-skid fixed strip facilitates staff to lift limit block 12 up and down, limit rod 13 is symmetrically arranged on the top of both ends of limit block 12, limit assembly 20 is arranged on limit rod 13, and support assembly 19 is arranged between hanging ring 5 and hanging seat 2.

[0028] Specifically, after sliding through entrance 6, the rope is slid to the top end inside hanging ring 5, pull rod 11 is lifted upwards, limit block 12 and limit rod 13 are lifted upwards by pull rod 11, until the top of limit block 12 is in contact with the rope, and limit rod 13 is clamped in front and back of hanging ring 5, the rope is limited left and right, then limit rod 7 and screw 8 are inserted to the left side, limit rod 7 is inserted into limit hole 10, and screw 8 is screwed to the left side to make screw 8 be screwed with fixed tube 4, and limit rod 7 limits the height of limit rod 9 and pull rod 11.

[0029] As shown in Figure 1 , Figure 3 and Figure 4 , support assembly 19 includes reinforcing tube 16 and rotating tube 17, reinforcing tube 16 is sleeved on the outside of the bottom of hanging ring 5, rotating tube 17 is fixed in the bottom of reinforcing tube 16, and the diameter of rotating tube 17 is greater than the diameter of fixed tube 4, support tube 18 is clamped and rotatably connected in the inside of rotating tube 17, and support tube 18 is located in the top of hanging seat 2, through hole 21 is opened in the side of rotating tube 17.

[0030] Specifically, the outer side of the reinforcing pipe 16 plays a role of fixing the increased strength of the hanging ring 5, and the rotating connection of the bottom rotating pipe 17 and the supporting pipe 18 shares the tension of the fixed pipe 4 part, avoids the fixed pipe 4 from bearing too much weight and being broken to cause the hanging ring 5 and the hanging seat 2 to directly separate and cause a safety problem.

[0031] As shown in Figure 1 , Figure 2 and Figure 5 , the limiting assembly 20 includes the clamping grooves 14 and the limiting plates 15, the clamping grooves 14 are respectively arranged at the top of the blocking rods 13, the limiting plates 15 are rotatably installed in the clamping grooves 14, the outer side of the limiting plates 15 is provided with the protective pads, and the protective pads are provided with the protective particles, so that the friction between the limiting plates 15 and the hanging ring 5 is increased, and the protective buffering effect is achieved.

[0032] Specifically, when the limiting block 12 and the blocking rod 13 are not used for limiting the rope, the screw rod 8 is screwed to the left side to make the limiting rod 7 disengage from the inside of the positioning hole 10, the pull rod 11 and the limiting block 12 are pushed downward, then the limiting plate 15 is rotated to the left side until the limiting plate 15 is clamped on the front and rear sides of the hanging ring 5, the pull rod 11 and the limiting block 12 are prevented from rotating, the limiting effect is achieved, the limiting plate 15 is also used for limiting when being moved upward along the hanging ring 5, the blocking rod 13 is conveniently moved upward and clamped on the outer side of the hanging ring 5 and the rope.

[0033] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A fall arrest trolley characterised by: The utility model relates to a trolley, including trolley body (1), the top of trolley body (1) is installed with the seat (2) of hanging, the middle position of seat (2) of hanging is installed with fixed pipe (4) through, the bottom of fixed pipe (4) is fixed with limit pipe (3), the top of fixed pipe (4) is fixed with the ring (5) of hanging, the one side of ring (5) of hanging is equipped with the entry (6), the bottom of ring (5) of hanging is installed with pull rod (11) through, and the bottom of pull rod (11) is through and extends to the inside of fixed pipe (4), the bottom of pull rod (11) is fixed with the locating rod (9), and locating rod (9) is connected with limit pipe (3) and fixed pipe (4) slidingly, the one side of locating rod (9) is equipped with the locating hole (10), the inside of locating hole (10) is movably connected with the limit rod (7), both ends of limit rod (7) are fixedly installed with screw rod (8), and screw rod (8) is all through and extends to the outside of fixed pipe (4), and the connecting place of fixed pipe (4) and screw rod (8) is equipped with the screw hole of, the top of pull rod (11) is fixed with the limit block (12), and the top of both ends of limit block (12) is symmetrically provided with the stop lever (13), and the stop lever (13) is provided with the limit assembly (20), and the seat (2) of hanging between ring (5) is provided with support assembly (19).

2. A fall arrest trolley according to claim 1, wherein: Support assembly (19) includes reinforcing pipe (16) and rotating pipe (17), reinforcing pipe (16) is sleeved on the outside of the bottom of ring (5), the bottom of reinforcing pipe (16) is fixed with rotating pipe (17), and the diameter of rotating pipe (17) is greater than the diameter of fixed pipe (4), rotating pipe (17) is rotatably connected with support pipe (18) in the inside, and support pipe (18) is located at the top of seat (2), and one side of rotating pipe (17) is equipped with the mouth (21).

3. A fall arrest trolley according to claim 1, wherein: Limit assembly (20) includes groove (14) and limit plate (15), groove (14) is respectively equipped in the top of stop lever (13), and limit plate (15) is rotatably installed in the inside of groove (14).

4. A fall arrest pulley according to claim 1, wherein: One end of screw rod (8) is fixedly installed with the handle, and the outside of handle is provided with anti -skid line.

5. A fall arrest trolley according to claim 1, characterised in that: The inside of ring (5) and the outside of pull rod (11) are provided with buffer ring, and the buffer ring is rubber ring.

6. A fall arrest trolley according to claim 3, wherein: The outside of limit plate (15) is provided with protective pad, and protective pad is provided with protective particle.

7. A fall arrest trolley according to claim 1, wherein: The both sides of limit block (12) are provided with anti -skid strip, and the top of limit block (12) is equipped with arc slot.

Images