CN217756814U

CN217756814U - Novel anti-falling device of double-chain type lifting structure of positioner

Info

Publication number: CN217756814U
Application number: CN202221514678.8U
Authority: CN
Inventors: 马远国; 张勇
Original assignee: Hunan Blue Sky Intelligent Equipment Technology Co ltd
Current assignee: Hunan Blue Sky Intelligent Equipment Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-11-08
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a novel machine double-chain elevation structure's of shifting anti-falling device, including connecting sprocket and main jacking equipment accessory plate, connecting sprocket is last to be connected with the chain, and the one end of chain is installed and is provided with the connection piece, the chain is kept away from connection piece one end and is connected with the butt joint spare, and has the installed part to butt joint on the butt joint spare, hydraulic oil pole is installed to the lower extreme of installed part, and the bottom department of hydraulic oil pole is connected with the fixing base, install the fixed station on the connection piece, and the fixed station upside is provided with the screw bolt, be connected with L type connecting rod on the screw bolt plug pin, and the side of L type connecting rod installs fixed triangle platform to be connected with U type connecting rod on the fixed triangle platform. The utility model discloses a connection sprocket and the meshing of chain realize the spacing processing to the chain when can driving the chain to can increase the cooperation and drive the installed part and remove to the cooperation hydraulic ram slows down the decline impulsive force of chain, increases the buffering effect of chain.

Description

Novel anti-falling device of double-chain type lifting structure of positioner

Technical Field

The utility model relates to an elevation structure prevents weighing down technical field, specifically is a novel positioner double-chain elevation structure's anti-falling device.

Background

Lifting type position changing machine of large tonnage generally adopts oil cylinder drive single chain to take movable elevating system up-and-down motion, and the goods weight that general elevating system bore can reach several tons or tens of tons of weight, so in case the chain fracture will produce very big impact and lead to the goods tenesmus in the lift in-process, and then damage relevant goods and influence the personnel's of lower extreme operation jacking equipment safety even, can't carry out effectual high accurate auto-lock when using, lead to the production of potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel machine of shifting double-chain elevation structure's anti-falling device to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel anti-falling device of two chain elevation structure of machine that shifts, is including connecting sprocket and main jacking equipment accessory plate, connecting sprocket is last to be connected with the chain, and the one end of chain is installed and be provided with the connection piece, the chain is kept away from connection piece one end and is connected with the butt joint spare, and has the installed part to butt joint on the butt joint spare, hydraulic rod is installed to the lower extreme of installed part, and the bottom department of hydraulic rod is connected with the fixing base, install the fixed station on the connection piece, and the fixed station upside is provided with the screw bolt, be connected with L type connecting rod on the screw bolt plug pin, and the side of L type connecting rod installs fixed triangle platform to be connected with U type connecting rod on the fixed triangle platform, the short link chain is installed to the both sides of U type connecting rod, and the lower extreme of short link chain is connected with the connecting axle, install triangle-shaped piece and tensioning spring on the connecting axle, and the both sides of triangle-shaped piece are connected with the connecting block to it is provided with the pivot to run through between connecting block and the triangle-shaped piece, main jacking equipment accessory plate prevents weighing down has seted up the constant head tank with the binding face of triangle-shaped piece.

Preferably, the connecting chain wheel and the chains are in a meshing transmission structure, the number of the chains is two, the two chains are fixedly connected with the connecting piece and the butt joint piece respectively at two ends, and the two chains form a nested connection structure with the mounting piece through the butt joint piece.

Preferably, the hydraulic oil rod forms a fixed structure with the mounting surface through a fixed seat, and the hydraulic oil rod is fixedly connected with the mounting part in a welding manner.

Preferably, the fixed station and the connecting sheet are in a shaft connecting structure, and the connecting sheet and the screw bolt pin are in a penetrating structure.

Preferably, the screw bolt and the end of the L-shaped connecting rod are in a threaded connection structure, and the fixed triangular table is fixedly connected with the L-shaped connecting rod.

Preferably, the U-shaped connecting rod is fixedly connected with the fixed triangular table in a screwing mode, the U-shaped connecting rod is fixedly connected with one end of the short-link chain, and the other end of the short-link chain is connected with the tensioning spring and the triangular block through the connecting shaft in a penetrating and inserting mode.

Preferably, the triangle blocks form a rotating structure through the rotating shaft and the connecting block, one ends, far away from the connecting shaft, of the triangle blocks are of arc structures, and the triangle blocks are connected with the anti-falling positioning grooves in a nested mode.

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

1. the utility model realizes the limit treatment of the chain while driving the chain by the engagement of the connecting chain wheel and the chain, thereby increasing the matching of the butt joint piece to drive the installation piece to move, matching the hydraulic oil rod to slow down the falling impulsive force of the chain, and preventing the casualty phenomenon caused by the continuous falling of the heavy object when the chain is accidentally broken;

2. the utility model discloses a shaft connection structure between fixed station and the connection piece, the screw rod bolt nail that can run through on the connection piece provides the support nature, and provide the support nature when the steady operation, the fixed triangle platform of cooperation and L type connecting rod realization stability, the stability of maintaining when two chains steady operation, short-link chain pulling triangle piece on driving U type connecting rod when one of them chain fracture unbalance rotation on the connecting block, and through rotatory triangle piece with prevent weighing down the constant head tank and dock spacing block, avoid the direct weight down of material of heavy weight, increase the single operating stability of equipment, guarantee the security of lower extreme personnel and equipment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the U-shaped connecting rod structure of the present invention.

Fig. 3 is a schematic view of the screw bolt structure of the present invention.

Fig. 4 is a schematic view of the fixing table structure of the present invention.

Fig. 5 is a schematic view of the operation structure of the triangular block of the present invention.

In the figure: 1. connecting a chain wheel; 2. connecting sheets; 3. a chain; 4. a docking member; 5. a mounting member; 6. a hydraulic ram; 7. a fixed seat; 8. a fixed table; 9. a bolt of a screw rod; 10. an L-shaped connecting rod; 11. fixing a triangular table; 12. a U-shaped connecting rod; 13. a short loop chain; 14. a connecting shaft; 15. a tension spring; 16. a triangular block; 17. connecting blocks; 18. a rotating shaft; 19. a main lifting device auxiliary plate; 20. an anti-falling positioning groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 an embodiment:

the chain limiting device comprises a connecting chain wheel 1 and a main lifting equipment auxiliary plate 19, wherein a chain 3 is connected onto the connecting chain wheel 1, a connecting piece 2 is arranged at one end of the chain 3, a butt joint piece 4 is connected to one end, far away from the connecting piece 2, of the chain 3, an installation piece 5 is in butt joint with the butt joint piece 4, the connecting chain wheel 1 and the chain 3 are in a meshing transmission structure, the number of the chains 3 is two, two ends of each chain 3 are fixedly connected with the connecting piece 2 and the butt joint piece 4 respectively, the two chains 3 form a nested connection structure through the butt joint piece 4 and the installation piece 5, the chain wheel 1 and the chains 3 are meshed, the chains 3 can be driven and limited, the installation piece 5 can be driven to move by matching with the butt joint piece 4, the descending impact force of the chains 3 is reduced by matching with a hydraulic oil rod 6, and the buffering effect of the chains 3 is improved;

in one embodiment, a hydraulic oil rod 6 is installed at the lower end of the installation part 5, a fixed seat 7 is connected to the bottom end of the hydraulic oil rod 6, the hydraulic oil rod 6 and the installation surface form a fixed structure through the fixed seat 7, the hydraulic oil rod 6 and the installation part 5 are fixedly connected in a welding mode, the falling impact force of the chain 3 is relieved through the hydraulic oil rod 6, the buffering effect of the chain 3 is improved, a fixed table 8 is installed on the connecting piece 2, a screw bolt 9 is arranged on the upper side of the fixed table 8, the fixed table 8 and the connecting piece 2 are in a shaft connecting structure, the connecting piece 2 and the screw bolt 9 are in a penetrating structure, and the screw bolt 9 penetrating through the connecting piece 2 can be supported through the shaft connecting structure between the fixed table 8 and the connecting piece 2 and can be stably operated;

in one embodiment, an L-shaped connecting rod 10 is connected to a screw bolt 9, a fixed triangular table 11 is installed on the side edge of the L-shaped connecting rod 10, a U-shaped connecting rod 12 is connected to the fixed triangular table 11, the screw bolt 9 and the end of the L-shaped connecting rod 10 are in a threaded connection structure, the fixed triangular table 11 and the L-shaped connecting rod 10 are fixedly connected, short link chains 13 are installed on two sides of the U-shaped connecting rod 12, a connecting shaft 14 is connected to the lower end of the short link chain 13, the U-shaped connecting rod 12 and the fixed triangular table 11 are fixedly screwed, one end of the U-shaped connecting rod 12 and one end of the short link chain 13 are fixedly connected, the other end of the short link chain 13 is respectively connected with a tension spring 15 and a triangular block 16 through a through bolt 14, the fixed triangular table 11 and the L-shaped connecting rod 10 achieve stability, stability is maintained when two chains 3 stably run, when one of the two chains 3 loses balance, the short link chain 13 on the U-shaped connecting rod 12 is driven to pull the triangular block 16 to rotate on a connecting shaft 17 when the one of the chain 3 breaks;

in one embodiment, the connecting shaft 14 is provided with the triangular block 16 and the tension spring 15, two sides of the triangular block 16 are connected with the connecting blocks 17, a rotating shaft 18 is arranged between the connecting blocks 17 and the triangular block 16 in a penetrating mode, the attachment surface of the main lifting equipment auxiliary plate 19 and the triangular block 16 is provided with the anti-falling positioning groove 20, the triangular block 16 forms a rotating structure through the rotating shaft 18 and the connecting blocks 17, one end, far away from the connecting shaft 14, of the triangular block 16 is arranged to be of an arc-shaped structure, the triangular block 16 and the anti-falling positioning groove 20 are connected in a nested mode, the rotating triangular block 16 and the anti-falling positioning groove 20 are in butt joint limiting clamping, the situation that heavy materials directly fall down is avoided, the operation stability of the equipment is improved, and the safety of lower-end personnel and equipment is guaranteed.

The utility model discloses a theory of operation does: firstly, after a material is installed on a fixed platform 8 at the position where a chain 3 is connected with a connecting piece 2 through a shaft, one end of the chain 3 is pressed by gravity, meanwhile, a hydraulic oil rod 6 is in a completely extended state, at the moment, the two chains 3 connected on an abutting piece 4 are driven to be recycled through contraction of the hydraulic oil rod 6, at the same time, the chain 3 drives the fixed platform 8 at the position where the connecting piece 2 is connected through the shaft to move upwards under the meshing positioning of a connecting chain wheel 1, meanwhile, a main lifting equipment auxiliary plate 19 provides a positioning effect for the whole equipment, at the same time, a triangular block 16 is in an inclined state under the pulling of a tensioning spring 15, at the same time, one end of an arc-shaped surface passes over an anti-falling positioning groove 20 and is not nested and mutually influenced, when one of the two chains 3 is broken in the operation process or the process of moving the lifting equipment, the connecting piece 2 simultaneously loses a time balance and causes the fixed platform 8 to rotate in a balanced mode, at the moment, the L-shaped connecting rod 10 drives a short-ring chain 13 on a U-shaped connecting rod 12 to pull the triangular block 16 to pull the connecting block 17 to rotate, and causes the anti-falling of the short-ring chain 16, the anti-falling block 16 to be pulled by the transverse position of the spring 15, and the anti-falling block 16, the anti-falling safety positioning groove, at the inclined position of the anti-falling block 16, at the anti-falling safety positioning groove, at the anti-falling device, and the anti-falling safety positioning groove 20, the anti-falling safety positioning groove is prevented-falling device, the anti-falling safety positioning groove is prevented from the anti-falling device, the anti-falling device is prevented from the anti-falling device.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 novel machine of shifting double-chain elevation structure prevents weighing down device which characterized in that includes: the chain wheel (1) and the main lifting equipment auxiliary plate (19) are connected, a chain (3) is connected onto the chain wheel (1), a connecting piece (2) is installed at one end of the chain (3), one end, far away from the connecting piece (2), of the chain (3) is connected with a butt joint piece (4), a mounting piece (5) is in butt joint with the butt joint piece (4), a hydraulic oil rod (6) is installed at the lower end of the mounting piece (5), a fixing seat (7) is connected to the bottom end of the hydraulic oil rod (6), a fixing table (8) is installed on the connecting piece (2), a screw bolt (9) is arranged on the upper side of the fixing table (8), an L-shaped connecting rod (10) is connected onto the screw bolt (9), a fixing triangular table (11) is installed on the side edge of the L-shaped connecting rod (10), a U-shaped connecting rod (12) is connected onto the fixing triangular table (11), short-ring chains (13) are installed on two sides of the U-shaped connecting rod (12), a connecting block (13) is connected with the lower end of the short-ring chain (14), a connecting block (16) and a connecting block (17) is arranged between the connecting shaft (16) and a connecting block (17) is arranged on two sides of the triangular block (17), and an anti-falling positioning groove (20) is formed in the binding surface of the main lifting equipment auxiliary plate (19) and the triangular block (16).

2. The novel anti-falling device with the double-chain type lifting structure of the positioner according to claim 1, is characterized in that: connect sprocket (1) and chain (3) and be meshing transmission structure, and the quantity of chain (3) is established to two, two chain (3) divide both ends to be fixed connection with connection piece (2) and butt joint piece (4) respectively, two chain (3) constitute nested connection structure through butt joint piece (4) and installed part (5).

3. The novel anti-falling device with the double-chain type lifting structure of the positioner according to claim 1, is characterized in that: the hydraulic oil rod (6) forms a fixing structure with the mounting surface through the fixing seat (7), and the hydraulic oil rod (6) is fixedly connected with the mounting part (5) in a welding mode.

4. The novel anti-falling device of the double-chain type lifting structure of the positioner is characterized in that: the fixing table (8) and the connecting piece (2) are in a shaft connecting structure, and the connecting piece (2) and the screw bolt (9) are in a penetrating structure.

5. The novel anti-falling device of the double-chain type lifting structure of the positioner is characterized in that: the screw bolt (9) is in a threaded connection structure with the end of the L-shaped connecting rod (10), and the fixed triangular table (11) is fixedly connected with the L-shaped connecting rod (10).

6. The novel anti-falling device with the double-chain type lifting structure of the positioner according to claim 1, is characterized in that: u type connecting rod (12) are connected with fixed triangular platform (11) fixed the dress of twisting, and U type connecting rod (12) are fixed connection with the one end of short link chain (13) to the other end of short link chain (13) passes through connecting axle (14) respectively with tensioning spring (15) and triangular block (16) for running through the bolt connection.

7. The novel anti-falling device of the double-chain type lifting structure of the positioner is characterized in that: the triangular block (16) forms a rotating structure with the connecting block (17) through the rotating shaft (18), one end, far away from the connecting shaft (14), of the triangular block (16) is of an arc structure, and the triangular block (16) is connected with the anti-falling positioning groove (20) in a nested mode.