Anti-swing type beam lifter

Abstract

The utility model relates to the technical field of beam lifting machines, and provides an anti-swing type beam lifting machine which comprises a support and a cross beam, a sliding hole is transversely formed in the middle of the cross beam, a supporting plate is arranged at the top end of the cross beam, stabilizing frames are arranged on the two sides of the bottom end of the supporting plate, and a traction machine is arranged at the bottom end of the supporting plate. The bottom end of a traction rope of the traction machine is provided with a lifting appliance, the two sides of the lifting appliance are respectively provided with a connecting sleeve, and the two sides of the top end of each connecting sleeve are respectively provided with a fixing assembly for preventing the lifting appliance from being separated from the lifting appliance. According to the beam lifting machine, the lifting appliance can be kept stable during moving, fixation between the anti-swing assembly and the lifting appliance can be relieved through the fixing assembly, the damaged anti-swing assembly can be conveniently replaced, and the problem that the damaged anti-swing assembly of an existing beam lifting machine is inconvenient to replace is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of beam lifting machines, and in particular to an anti-swaying beam lifting machine. Background Art

[0002] The beam lifting machine is a gantry crane specially designed for bridge construction. The beam lifting machine is mainly composed of assembled main beams, outriggers, overhead cranes, etc. The components are connected by pins and high-strength bolts, which are easy to disassemble and transport. Compared with ordinary gantry cranes, it is convenient and fast to install, economical and practical. It is suitable for road and bridge construction units that often move.

[0003] After searching, a kind of anti-sway beam lifting machine disclosed by publication number CN220317149U includes a main beam, legs are arranged at the bottom of both ends of the main beam, a crane is arranged on the top of the main beam, a hoist is arranged below the crane, the hoist and the crane are connected by wire ropes, and anti-sway guide mechanisms are arranged between the top of both ends of the hoist and the crane; in the utility model, when the crane is lifting and lowering the hoist by retracting and releasing the wire rope, the anti-sway guide mechanism slides in the vertical direction through the lower tube body inside the upper tube body and the upper tube body inside the casing, so as to limit the swing of the hoist when the crane moves up and down relative to the crane, thereby improving the stability of the beam body during lifting, ensuring the position accuracy of the beam body during lifting, and reducing safety hazards.

[0004] However, the above-mentioned anti-sway beam lifting machine still has the following problems: the beam lifting machine is used to reduce the swing amplitude of the hoist by setting an anti-sway guide mechanism, but when the hoist is hoisting a large amount of materials, the anti-sway guide mechanism is subjected to a large swing force, which is easy to bend the anti-sway guide mechanism. The beam lifting machine is inconvenient to replace the damaged anti-sway guide mechanism, which affects the lifting and lowering of the hoist, and the overhead crane in the beam lifting machine is prone to position deviation when moving on the main beam. Utility Model Content

[0005] The utility model provides an anti-sway beam lifting machine, which solves the problems in the prior art that it is inconvenient to replace a damaged anti-sway guide mechanism and the overhead crane is prone to deviation when moving.

[0006] The technical solution of the utility model is as follows: an anti-sway beam lifting machine, comprising a bracket and a crossbeam, a sliding hole is horizontally arranged in the middle of the crossbeam, a support plate is arranged at the top of the crossbeam, stabilizing frames are arranged on both sides of the bottom end of the support plate, a traction machine is arranged at the bottom end of the support plate, a sling is arranged at the bottom end of the traction rope of the traction machine, connecting sleeves are arranged on both sides of the sling, fixing components for preventing separation from the sling are arranged on both sides of the top end of the connecting sleeve, anti-sway components capable of maintaining stability of the sling when it moves are arranged at the top of the connecting sleeve, and connecting components connected to the support plate are arranged at the top of the anti-sway components.

[0007] Preferably, the anti-sway assembly includes a connecting rod fixedly connected to one side of the top end of the connecting sleeve, the top of the connecting rod is slidably connected to a movable tube, and the top of the movable tube is slidably connected to an adjusting tube.

[0008] Preferably, both inner walls of the adjusting tube and the movable tube are vertically provided with limiting grooves, the tops of both sides of the movable tube and the connecting rod are fixedly connected with limiting blocks, and the limiting blocks are slidably connected inside the limiting grooves respectively.

[0009] Preferably, the connecting assembly includes a fixing seat fixedly connected to both sides of the bottom end of the support plate, the internal thread of the fixing seat is connected to a threaded ring, the bottom end of the threaded ring is fixedly connected to an adjustment plate, and the top of the adjustment tube is rotatably connected to the adjustment plate.

[0010] Preferably, the fixing assembly includes a fixing frame fixedly connected to both sides of the top end of the connecting sleeve, an adjusting rod is vertically slidably connected to the middle part of the fixing frame, a movable baffle is fixedly connected to the bottom end of the adjusting rod, a fixing rod is fixedly connected to the bottom end of the movable baffle, fixing grooves corresponding to the fixing rod are provided on both sides of the sling, the bottom ends of the fixing rods are respectively slidably connected to the inside of the fixing grooves, a supporting spring is fixedly connected to the inner top wall of the fixing frame, and the bottom end of the supporting spring is fixedly connected to the movable baffle.

[0011] Preferably, the top ends of the adjusting rods are fixedly connected with an adjusting pull plate.

[0012] Preferably, roller grooves are transversely opened on both sides of the top end of the crossbeam, and support wheels are fixedly connected to both sides of the bottom end of the stabilizing frame, and the bottoms of the support wheels are respectively rollingly connected to the inside of the roller grooves.

[0013] Preferably, the interior of the stabilizing frame is fixedly connected with a reinforcing block.

[0014] The beneficial effects of the utility model are:

[0015] 1. In the utility model, the traction machine retracts and releases the steel wire rope to control the up and down movement of the sling, and the anti-sway component is extended and retracted as the sling moves up and down, so that the sling can be kept stable during movement, and the fixing component can release the fixation between the anti-sway component and the sling, so that the damaged anti-sway component can be easily replaced, thus solving the problem that it is inconvenient to replace the damaged anti-sway component of the existing beam lifting machine;

[0016] 2. In the utility model, the anti-sway component can be conveniently connected between the support plate and the sling through the connecting component, so that the sling remains stable when moving, and the support wheel rolls inside the roller groove, so that it can move with the position of the sling, and the support wheel rolls along the roller groove to prevent the sling from position shifting when moving, thereby solving the problem of position shifting of the overhead crane in the existing beam lifting machine when moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the structure of an anti-swaying beam lifting machine proposed by the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure proposed by the utility model;

[0020] Figure 3 The utility model proposed Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 4 The utility model proposed Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0022] Figure 5 This is a schematic diagram of the anti-sway component structure proposed by the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the connection assembly proposed by the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the fixing assembly proposed by the utility model;

[0025] In the figure: 1. bracket; 2. crossbeam; 3. sliding hole; 4. roller groove; 5. support plate; 6. traction machine; 7. anti-sway assembly; 71. adjusting tube; 72. movable tube; 73. connecting rod; 74. limiting groove; 75. limiting block; 8. connecting assembly; 81. fixing seat; 82. threaded ring; 83. adjusting plate; 9. fixing assembly; 91. fixing frame; 92. supporting spring; 93. adjusting rod; 94. movable baffle; 95. fixing rod; 96. fixing groove; 10. sling; 11. connecting sleeve; 12. adjusting pull plate; 13. stabilizing frame; 14. supporting wheel; 15. reinforcing block. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 The utility model provides a technical solution for an anti-swaying beam lifting machine: an anti-swaying beam lifting machine, comprising a bracket 1 and a crossbeam 2, a sliding hole 3 is transversely arranged in the middle of the crossbeam 2, a support plate 5 is arranged at the top of the crossbeam 2, and both sides of the bottom end of the support plate 5 are provided with a stabilizing frame 13, a traction machine 6 is arranged at the bottom end of the support plate 5, and a sling 10 is arranged at the bottom end of the traction rope of the traction machine 6, and a connecting sleeve 11 is arranged on both sides of the sling 10, and both sides of the top end of the connecting sleeve 11 are provided with a fixing component 9 to prevent separation from the sling 10, and the top of the connecting sleeve 11 is provided with an anti-sway component 7 that can keep the sling 10 stable when moving, and the top of the anti-sway component 7 is provided with a connecting component 8 connected to the support plate 5, roller grooves 4 are transversely opened on both sides of the top end of the crossbeam 2, and both sides of the bottom end of the stabilizing frame 13 are fixedly connected with support wheels 14, and the bottoms of the support wheels 14 are respectively rollingly connected to the inside of the roller grooves 4, and the inside of the stabilizing frame 13 is fixedly connected with a reinforcing block 15.

[0028] See also Figure 5 The anti-sway component 7 includes a connecting rod 73 fixedly connected to one side of the top end of the connecting sleeve 11, a movable tube 72 is slidably connected to the top of the connecting rod 73, and an adjusting tube 71 is slidably connected to the top of the movable tube 72. Limiting grooves 74 are vertically provided on both inner walls of the adjusting tube 71 and the movable tube 72. Limiting blocks 75 are fixedly connected to the tops of both sides of the movable tube 72 and the connecting rod 73, and the limiting blocks 75 are slidably connected to the inside of the limiting grooves 74 respectively. Through the cooperation of the connecting rod 73, the movable tube 72 and the adjusting tube 71, the sling 10 can be extended and retracted as it is raised and lowered, so that the sling 10 can remain stable during movement and prevent the sling 10 from swinging.

[0029] See also Figure 6 The connecting assembly 8 includes a fixing seat 81 fixedly connected to both sides of the bottom end of the supporting plate 5, the internal thread of the fixing seat 81 is connected with a threaded ring 82, the bottom end of the threaded ring 82 is fixedly connected with an adjusting plate 83, the top of the adjusting tube 71 is rotatably connected to the adjusting plate 83, and the adjusting plate 83 is rotated in the reverse direction to drive the threaded transmission between the threaded ring 82 and the fixing seat 81, and the threaded ring 82 is removed from the inside of the fixing seat 81, so that the anti-sway assembly 7 can be removed from between the supporting plate 5 and the sling 10 for replacement.

[0030] See also Figure 7The fixing assembly 9 includes a fixing frame 91 fixedly connected to both sides of the top of the connecting sleeve 11, an adjusting rod 93 is vertically slidably connected to the middle part of the fixing frame 91, and a movable baffle 94 is fixedly connected to the bottom end of the adjusting rod 93, and a fixing rod 95 is fixedly connected to the bottom end of the movable baffle 94. A fixing groove 96 corresponding to the fixing rod 95 is opened on both sides of the sling 10, and the bottom ends of the fixing rod 95 are respectively slidably connected to the inside of the fixing groove 96, and a supporting spring 92 is fixedly connected to the inner top wall of the fixing frame 91, and the bottom end of the supporting spring 92 is fixedly connected to the movable baffle 94, and the top end of the adjusting rod 93 is jointly fixedly connected with an adjusting pull plate 12. By pulling the adjusting pull plate 12 upward, the adjusting rod 93 drives the movable baffle 94 to move, so that the fixing rod 95 is moved out from the inside of the fixing groove 96, which can release the fixed state between the connecting sleeve 11 and the sling 10, and it is convenient to replace the damaged anti-sway assembly 7.

[0031] The working principle and use process of the utility model are as follows: control the traction machine 6 to drive the lifting device 10 to rise and fall, so that the connecting rod 73 slides inside the movable tube 72 to prevent the lifting device 10 from swinging when moving, control the support plate 5 to move on the crossbeam 2, and make the support wheel 14 roll inside the roller groove 4, so that the lifting device 10 remains stable when moving, and when the anti-sway component 7 is damaged, pull the adjustment pull plate 12 upward to make the adjustment rod 93 drive the movable baffle 94 to move, so that the fixing rod 95 is moved out from the inside of the fixing groove 96, which can release the fixed state between the connecting sleeve 11 and the lifting device 10, and then rotate the adjustment plate 83 in the opposite direction to drive the threaded transmission between the threaded ring 82 and the fixed seat 81, remove the threaded ring 82 from the inside of the fixed seat 81, and remove the anti-sway component 7 from between the support plate 5 and the lifting device 10 for replacement, so that the lifting device 10 can be used continuously to prevent swinging.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-sway beam lifting machine, comprising a support (1) and a crossbeam (2), characterized in that: A sliding hole (3) is transversely arranged in the middle of the crossbeam (2), a support plate (5) is arranged at the top end of the crossbeam (2), and stabilizing frames (13) are arranged on both sides of the bottom end of the support plate (5), a traction machine (6) is arranged at the bottom end of the support plate (5), and a sling (10) is arranged at the bottom end of the traction rope of the traction machine (6), and a connecting sleeve (11) is arranged on both sides of the sling (10), and fixing components (9) are arranged on both sides of the top end of the connecting sleeve (11) to prevent separation from the sling (10), and an anti-sway component (7) capable of maintaining stability when the sling (10) is arranged at the top end of the connecting sleeve (11), and a connecting component (8) connected to the support plate (5) is arranged at the top end of the anti-sway component (7).

2. The anti-sway beam lifting machine according to claim 1, characterized in that: The anti-sway component (7) comprises a connecting rod (73) fixedly connected to one side of the top end of the connecting sleeve (11), the top of the connecting rod (73) being slidably connected to a movable tube (72), and the top of the movable tube (72) being slidably connected to an adjustment tube (71).

3. The anti-sway beam lifting machine according to claim 2, characterized in that: Both inner walls of the regulating tube (71) and the movable tube (72) are provided with limit grooves (74) in a vertical direction. The tops of both sides of the movable tube (72) and the connecting rod (73) are fixedly connected to limit blocks (75), and the limit blocks (75) are slidably connected to the inside of the limit grooves (74).

4. The anti-sway beam lifting machine according to claim 2, characterized in that: The connecting assembly (8) comprises a fixing seat (81) fixedly connected to both sides of the bottom end of the support plate (5); a threaded ring (82) is connected to the inner thread of the fixing seat (81); an adjusting plate (83) is fixedly connected to the bottom end of the threaded ring (82); and the top of the adjusting tube (71) is rotatably connected to the adjusting plate (83).

5. The anti-sway beam lifting machine according to claim 1, characterized in that: The fixing assembly (9) comprises a fixing frame (91) fixedly connected to both sides of the top end of the connecting sleeve (11); an adjusting rod (93) is vertically slidably connected to the middle part of the fixing frame (91); a movable baffle (94) is fixedly connected to the bottom end of the adjusting rod (93); a fixing rod (95) is fixedly connected to the bottom end of the movable baffle (94); fixing grooves (96) corresponding to the fixing rod (95) are provided on both sides of the sling (10); the bottom ends of the fixing rods (95) are respectively slidably connected to the inside of the fixing grooves (96); a supporting spring (92) is fixedly connected to the inner top wall of the fixing frame (91); and the bottom end of the supporting spring (92) is fixedly connected to the movable baffle (94).

6. The anti-sway beam lifting machine according to claim 5, characterized in that: The top end of the adjustment rod (93) is fixedly connected to an adjustment pull plate (12).

7. The anti-sway beam lifting machine according to claim 1, characterized in that: Roller grooves (4) are transversely formed on both sides of the top end of the crossbeam (2), and support wheels (14) are fixedly connected to both sides of the bottom end of the stabilizing frame (13), with the bottoms of the support wheels (14) respectively rollingly connected to the inside of the roller grooves (4).

8. The anti-sway beam lifting machine according to claim 1, characterized in that: The interior of the stabilizing frame (13) is fixedly connected with a reinforcing block (15).

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