CN213505664U

CN213505664U - Suspension crane based on multiple supporting points

Info

Publication number: CN213505664U
Application number: CN202022579445.3U
Authority: CN
Inventors: 施红斌
Original assignee: Qingdao Saishixing Lifting Equipment Co ltd
Current assignee: Qingdao Saishixing Lifting Equipment Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-22
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a multi-pivot-point-based suspension crane, which comprises a suspension beam, wherein a fixed plate is welded at the bottom end of a first driving seat, a positioning seat is installed at the bottom end of the fixed plate, a double-end screw rod movably penetrates through one end of the positioning seat, a sliding hole is arranged at the bottom end of the side surface of the positioning seat, movable blocks are respectively connected with two sides of the inner wall of the sliding hole in a sliding way, stoppers are welded at two ends of each movable block, fixed grooves corresponding to the positioning seats are arranged at two sides of the top end of the suspension beam, the positioning seats at the bottom ends of the first driving seats at two sides are respectively inserted into the fixed grooves at two ends of the suspension beam, then the double-end screw rod is rotated to enable the movable blocks at two sides to move oppositely in the sliding hole until the stoppers at two sides are completely clamped into the, thereby wholly accomplish the installation of mounted beam, easy operation, the dismantlement of the later stage mounted beam of being convenient for.

Description

Suspension crane based on multiple supporting points

Technical Field

The utility model relates to a suspension crane technical field specifically is a suspension crane based on many fulcrums.

Background

The crane is a machine used for carrying heavy objects in the horizontal direction and the vertical direction, is widely applied in the industrial times, generally, the crane is divided into a beam crane, a bridge crane and a portal crane suspension crane, and is a flexible light combined suspension crane, and simultaneously, the suspension crane belongs to light and small hoisting equipment, and is divided into two types, namely a single beam type suspension crane and a double beam type suspension crane, and the crane has the advantages that the hoisting capacity can reach 2000 kilograms, the installation is light, the safety is high, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suspension crane based on many fulcrums to the proposed is comparatively complicated with the direct connection structure of walking beam owing to general suspension crane's suspension beam among the above-mentioned background art of solution, and most of adoption welding or bolt are fixed between suspension beam and the drive arrangement, are not convenient for suspension beam's installation and the problem of dismantling.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-pivot-point-based suspension crane comprises a suspension beam, wherein two sides of the top end of the suspension beam are respectively provided with a walking beam, the bottom end of the walking beam is connected with a first driving seat in a sliding manner, the bottom end of the first driving seat is provided with a connecting assembly, and the connecting assembly comprises a fixed plate, a positioning seat, a double-end screw rod, a sliding hole, a movable block, a limiting block, a fixed groove, a limiting groove, a positioning column and a positioning groove;

first drive the welding of seat bottom and have the fixed plate, the positioning seat is installed to the fixed plate bottom, positioning seat one end activity runs through there is double-end screw, the sliding hole has been seted up to positioning seat side bottom, the equal sliding connection in sliding hole inner wall both sides has the movable block, the stopper has all been welded at the movable block both ends, hang the fixed slot that roof beam top both sides all seted up and correspond the position with the positioning seat, the spacing groove that corresponds with the stopper is all seted up to fixed slot inner wall both sides, positioning seat bottom middle part fixed mounting has the reference column, the constant head tank that corresponds the position with the reference column is seted up at fixed.

Preferably, the threads formed at the two ends of the outer side of the double-head screw are opposite, and the two movable blocks are movably sleeved at the two ends of the outer side of the double-head screw through the threads respectively.

Preferably, one end of the double-end screw is fixedly provided with a limiting disc, and the other end of the double-end screw is fixedly provided with a rotating handle.

Preferably, a T-shaped groove is formed in the top end of the positioning seat, a T-shaped block is welded at the bottom end of the fixing plate, the T-shaped block is slidably clamped inside the T-shaped groove, guide rods are fixedly mounted on two sides of the bottom end of the inner wall of the T-shaped groove, a buffer spring is sleeved on the outer side of each guide rod, and guide holes corresponding to the guide rods are formed in two sides of the bottom end of the T-shaped block.

Preferably, the bottom end of the suspension beam is connected with a second driving seat in a sliding mode, and a hoisting block is mounted at the bottom end of the second driving seat.

Preferably, a plurality of fixing rods are fixedly penetrated through the side faces of the walking beams, connecting plates are fixedly mounted at two ends of the fixing rods, and supporting rods are fixedly mounted at the bottom ends of the connecting plates.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the positioning seats at the bottom ends of the first driving seats on the two sides are respectively inserted into the fixing grooves at the two ends of the suspension beam, then the double-head screw is rotated to enable the movable blocks on the two sides to move oppositely in the sliding hole until the limiting blocks on the two sides are completely clamped into the limiting grooves, so that the vertical movement of the suspension beam is limited, the horizontal movement of the suspension beam is limited through the action of the positioning columns and the positioning grooves, the installation of the suspension beam is integrally completed, the operation is simple, and the later-stage disassembly of the suspension beam is facilitated.

2. Through setting up T type piece and T type groove between positioning seat and the fixed plate, T type piece has certain activity space in T type inslot to be provided with buffer spring, thereby can carry out the effort buffering through compression buffer spring when the mounted beam atress, thereby can prevent that the mounted beam junction from taking place the rigidity rupture.

3. Two walking beams are integrated through a plurality of fixing rods, and a plurality of points are supported on the walking beams under the action of the connecting plates and the supporting rods, so that the stress of the walking beams is uniformly distributed on the supporting rods when a heavy object is lifted, and the walking beams and the suspension beams are prevented from deforming due to stress concentration.

Drawings

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

FIG. 2 is a schematic view of the mounting structure of the middle walking beam of the present invention;

fig. 3 is a schematic structural view of the connection assembly of the present invention;

FIG. 4 is a schematic view of the mounting structure of the middle double-threaded screw of the present invention;

fig. 5 is a schematic view of the installation structure of the middle positioning column of the present invention.

In the figure: 1. a suspension beam; 2. a walking beam; 3. a first driving seat;

4. a connecting assembly; 401. a fixing plate; 402. positioning seats; 403. a double-ended screw; 404. a slide hole; 405. a movable block; 406. a limiting block; 407. fixing grooves; 408. a limiting groove; 409. a positioning column; 410. positioning a groove;

5. a limiting disc; 6. rotating the handle; 7. a T-shaped groove; 8. a T-shaped block; 9. a guide bar; 10. a buffer spring; 11. a guide hole; 12. a second driving seat; 13. hoisting a hoist; 14. fixing the rod; 15. a connecting plate; 16. a support rod.

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. 1-5, the present invention provides a technical solution: a multi-pivot-point-based suspension crane comprises a suspension beam 1, wherein two sides of the top end of the suspension beam 1 are respectively provided with a walking beam 2, the bottom end of the walking beam 2 is connected with a first driving seat 3 in a sliding manner, the bottom end of the first driving seat 3 is provided with a connecting assembly 4, and the connecting assembly 4 comprises a fixing plate 401, a positioning seat 402, a double-headed screw 403, a sliding hole 404, a movable block 405, a limiting block 406, a fixing groove 407, a limiting groove 408, a positioning column 409 and a positioning groove 410;

the bottom end of the first driving seat 3 is welded with a fixing plate 401, the bottom end of the fixing plate 401 is provided with a positioning seat 402, one end of the positioning seat 402 is movably penetrated by a double-threaded screw 403, the bottom end of the side surface of the positioning seat 402 is provided with a sliding hole 404, two sides of the inner wall of the sliding hole 404 are respectively connected with a movable block 405 in a sliding way, two ends of the movable block 405 are respectively welded with a limiting block 406, two sides of the top end of the suspension beam 1 are respectively provided with a fixing groove 407 corresponding to the positioning seat 402, two sides of the inner wall of the fixing groove 407 are respectively provided with a limiting groove 408 corresponding to the limiting block 406, the middle part of the bottom end of the positioning seat 402 is fixedly provided with a positioning column 409, the middle part of the bottom end of the inner wall of the fixing groove 407 is provided with a positioning groove 410 corresponding to the positioning column 409, spacing dish 5 is fixed to double-end screw 403 one end, and double-end screw 403 other end fixed mounting has the rotation handle 6, can restrict double-end screw 403's mounted position, the rotation of the double-end screw 403 of being convenient for simultaneously.

The top end of the positioning seat 402 is provided with a T-shaped groove 7, the bottom end of the fixing plate 401 is welded with a T-shaped block 8, the T-shaped block 8 is slidably clamped at the inner side of the T-shaped groove 7, two sides of the bottom end of the inner wall of the T-shaped groove 7 are fixedly provided with guide rods 9, the outer side of each guide rod 9 is sleeved with a buffer spring 10, two sides of the bottom end of the T-shaped block 8 are provided with guide holes 11 corresponding to the guide rods 9, so that the stress condition of a connecting point of the suspension beam 1 and the walking beam 2 is buffered when heavy objects are lifted, rigid fracture caused by sudden overlarge stress is prevented, the bottom end of the suspension beam 1 is slidably connected with a second driving seat 12, the bottom end of the second driving seat 12 is provided with a hoisting block 13, so that the heavy objects are lifted, the side surface of the walking beam 2 is fixedly penetrated with a, meanwhile, the support rods 16 are used for supporting a plurality of support points, so that when heavy objects are lifted, the stress of the walking beam 2 is uniformly distributed on each support rod 16, and the walking beam 2 and the suspension beam 1 are prevented from deforming due to concentrated stress.

The working principle is as follows: when the suspension beam 1 and the first driving seat 3 are connected and fixed, the positioning seat 402 at the bottom end of the first driving seat 3 is inserted into the fixing groove 407 corresponding to the end of the suspension beam 1, and the positioning column 409 at the bottom end of the positioning seat 402 is inserted into the positioning groove 410 at the bottom end inside the fixing groove 407, so that the positioning of the mounting position of the positioning seat 402 is completed, the horizontal movement of the suspension beam 1 can be limited by the action of the positioning column 409 and the positioning groove 410, then the double-threaded screw 403 is rotated by rotating the handle 6, so that the double-threaded screw 403 drives the movable blocks 405 at two sides to move in the sliding hole 404 in the opposite direction, and until the movable blocks 405 drive the limiting blocks 406 to be completely clamped into the corresponding limiting grooves 408 on the suspension beam 1, so that the mounting and fixing of the suspension beam 1 are;

through setting up T type piece 8 and T type groove 7 between positioning seat 402 and fixed plate 401, and T type piece 8 has certain space in

T type groove

7, 8 both sides of T type piece both sides activity run through there is guide bar 9 simultaneously, the cover has buffer spring 10 outside guide bar 9, thereby when lifting by crane the heavy object on mounted beam 1, can cushion the atress at mounted beam 1 both ends through buffer spring 10, thereby avoid the too big rigidity rupture that causes mounted beam 1 both ends junction of taking place of sudden force bearing, form the walking beam 2 of both sides integratively through a plurality of dead levers 14, and carry out many fulcrum supports through the effect of connecting plate 15 and bracing piece 16 to walking beam 2, thereby make walking beam 2 atress evenly distributed to each bracing piece 16 when lifting by crane the heavy object, thereby prevent that the atress from concentrating and causing walking beam 2 to warp.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-pivot-point-based suspension crane comprising a suspension beam (1), characterized in that: the suspension device is characterized in that the two sides of the top end of the suspension beam (1) are respectively provided with a walking beam (2), the bottom end of the walking beam (2) is connected with a first driving seat (3) in a sliding manner, the bottom end of the first driving seat (3) is provided with a connecting assembly (4), and the connecting assembly (4) comprises a fixing plate (401), a positioning seat (402), a double-end screw (403), a sliding hole (404), a movable block (405), a limiting block (406), a fixing groove (407), a limiting groove (408), a positioning column (409) and a positioning groove (410);

a fixing plate (401) is welded at the bottom end of the first driving seat (3), a positioning seat (402) is installed at the bottom end of the fixing plate (401), a double-threaded screw rod (403) is movably penetrated at one end of the positioning seat (402), a sliding hole (404) is arranged at the bottom end of the side surface of the positioning seat (402), both sides of the inner wall of the sliding hole (404) are slidably connected with movable blocks (405), both ends of each movable block (405) are welded with limit blocks (406), both sides of the top end of the suspension beam (1) are provided with fixing grooves (407) corresponding to the positioning seats (402), both sides of the inner wall of the fixed groove (407) are provided with limit grooves (408) corresponding to the limit blocks (406), the middle part of the bottom end of the positioning seat (402) is fixedly provided with a positioning column (409), and the middle part of the bottom end of the inner wall of the fixing groove (407) is provided with a positioning groove (410) corresponding to the positioning column (409).

2. A multi-pivot based suspension crane according to claim 1, characterized in that: the threads formed at the two ends of the outer side of the double-head screw (403) are opposite, and the two movable blocks (405) are movably sleeved at the two ends of the outer side of the double-head screw (403) through the threads respectively.

3. A multi-pivot based suspension crane according to claim 1, characterized in that: double-end screw (403) one end fixed mounting has spacing dish (5), double-end screw (403) other end fixed mounting has rotatory (6).

4. A multi-pivot based suspension crane according to claim 1, characterized in that: t type groove (7) have been seted up on positioning seat (402) top, fixed plate (401) bottom welding has T type piece (8), and T type piece (8) slip card locate T type groove (7) inboard, the equal fixed mounting in T type groove (7) inner wall bottom both sides has guide bar (9), guide bar (9) outside cover has buffer spring (10), guiding hole (11) that correspond the position with guide bar (9) are all seted up to T type piece (8) bottom both sides.

5. A multi-pivot based suspension crane according to claim 1, characterized in that: the bottom end of the suspension beam (1) is connected with a second driving seat (12) in a sliding mode, and a hoisting block (13) is installed at the bottom end of the second driving seat (12).

6. A multi-pivot based suspension crane according to claim 1, characterized in that: a plurality of fixing rods (14) are fixedly penetrated through the side faces of the walking beams (2), connecting plates (15) are fixedly mounted at two ends of the fixing rods (14), and supporting rods (16) are fixedly mounted at the bottom ends of the connecting plates (15).