CN214653447U

CN214653447U - Steel construction chassis underframe for lift

Info

Publication number: CN214653447U
Application number: CN202120862322.2U
Authority: CN
Inventors: 刘国章; 刘琼丹
Original assignee: Huizhou Daixin Engineering Construction Co ltd
Current assignee: Huizhou Daixin Engineering Construction Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-09
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a steel construction chassis underframe for lift belongs to steel products technical field, comprising a main body, the bottom fixed mounting of main part has a plurality of return pulley, the one end fixed mounting of main part has the promotion subassembly, the other end fixed mounting of main part has the counter weight subassembly, install two connecting rods between promotion subassembly and the counter weight subassembly, the equal fixed mounting in both sides of main part has supporting component. Through setting up promotion subassembly and counter weight subassembly, when the lift inclines to the one end that promotes the subassembly, the reaction force on ground upwards promotes movable post, make movable post rebound, make the slider remove to the direction of keeping away from movable post, the connecting rod uses the rotation post to rotate clockwise as the axle center, thereby make the connecting rod keep away from the one end downswing of rotation post, thereby make the connection rope in the twinkling of an eye taut, thereby make the connection rope produce the pressure that descends the direction to the runner, thereby avoid the lift to empty to the one end of installing the promotion subassembly.

Description

Steel construction chassis underframe for lift

Technical Field

The utility model relates to a steel goods technical field, more specifically say, it relates to a steel construction chassis underframe for elevator.

Background

The lift is a multifunctional lifting mechanical device, which can be divided into a fixed type and a movable type, a guide rail type, a crank type, a scissor type, a chain type, a loading and unloading platform and the like, the guide rail type hydraulic lifting goods lift has the characteristics that the guide rail type hydraulic lifting goods lift adopts heavy chain transmission, an oil wire rope is used for safety, the guide rail type hydraulic lifting goods lift adopts a hydraulic anti-explosion oil pipe, a safety device for preventing overload is arranged, multiple limit switches are arranged for protection, a door opening power-off protection device is arranged, an electric leakage protection device is arranged, and a multi-storey building is arranged for interactive linkage, so the safety coefficient of the guide rail type hydraulic lifting goods lift is much higher than that of a common goods lift.

Although the existing elevator base is provided with the supporting mechanism, when an operator works on the elevator, and the pressure applied to one end of the elevator is too large, the situation that the elevator topples over still easily occurs, the position of the supporting point is fixed due to the fixed position of the existing supporting mechanism, and the supporting point cannot be adjusted according to the terrain.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a steel construction chassis underframe for lift, the characteristics that it had can prevent that the lift from empting, adjustable supporting position.

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

the utility model provides a steel construction chassis frame for lift, includes the main part, the bottom fixed mounting of main part has a plurality of return pulley, the one end fixed mounting of main part has the promotion subassembly, the other end fixed mounting of main part has the counter weight subassembly, install two connecting rods between promotion subassembly and the counter weight subassembly, the equal fixed mounting in both sides of main part has supporting component.

Further, promote the subassembly and include two horizontal poles, horizontal pole fixed mounting is in the one end of main part, the one end fixed mounting that the main part was kept away from to the horizontal pole has the lug, the through hole has been seted up at the top of lug, the activity post has been cup jointed in the inboard activity of through hole, the cylinder has been cup jointed in the inboard of activity post and the below activity of lug, the spout has been seted up to the bottom of horizontal pole, the inside activity joint of spout has the slider, the rotation post has been cup jointed in the bottom activity of slider, the equal fixed mounting in cylindrical both ends has the transfer line, two the cylindrical one end activity of keeping away from of transfer line is cup jointed in the outside of rotating the post, two the connecting rod is fixed cup joint respectively in the both ends outside of rotating the post.

Through adopting above-mentioned technical scheme, the in-process of activity post rebound, the cylinder also follows the activity post rebound, and the position of cylinder and horizontal pole is close to, and the slider removes to the direction of keeping away from the activity post, rotates the post clockwise simultaneously, and the connecting rod uses the rotation post to rotate clockwise as the axle center.

Further, the counter weight component includes two installation pieces, two the equal fixed mounting of installation piece has a runner, two in the one end that the horizontal pole was kept away from to the main part fixed mounting has the connecting block between the one end side that the rotation post was kept away from to the connecting rod, the top fixed mounting of connecting block has the connection rope, the one end fixed connection balancing weight of connecting block is kept away from to the connection rope.

Through adopting above-mentioned technical scheme, the one end downswing of rotation post is kept away from to the connecting rod to make the connecting rope taut in the twinkling of an eye, thereby make the connecting rope produce the pressure that descends the direction to the runner.

Further, supporting component includes the side ear, side ear fixed mounting is in the both sides of main part, the top demountable installation of side ear has the dwang, the bottom fixed mounting support column of the one end of main part is kept away from to the dwang.

Through adopting above-mentioned technical scheme, the support column can support the chassis underframe, avoids the chassis underframe to appear rocking.

Furthermore, the bottom of the movable column is fixedly provided with a disc, and the outer side of the movable column is fixedly connected with a spring between the two convex blocks.

Through adopting above-mentioned technical scheme, the bottom of spring is in the outside fixed connection of activity post, and when the ascending power that activity post and disc received disappeared, the help activity post resets fast.

Furthermore, a round hole is formed in the top of the side ear, and the round hole penetrates from the top of the side ear to the bottom of the side ear.

Through adopting above-mentioned technical scheme, the round hole is used for installing the dwang, with the rigidity of dwang.

Further, the bottom of dwang and in the corresponding fixed position of round hole have the double-screw bolt, the double-screw bolt passes through the round hole from last to running through the side ear down, the bottom demountable installation of double-screw bolt has the nut.

Through adopting above-mentioned technical scheme, loosen the nut and can make the dwang use the double-screw bolt to rotate as the axle center in the top of side ear to change the strong point of support column.

To sum up, the utility model discloses following beneficial effect has:

1. through setting up promotion subassembly and counter weight subassembly, when the lift inclines to the one end that promotes the subassembly, the reaction force on ground upwards promotes movable post, make movable post rebound, the cylinder also follows movable post rebound, make the slider remove to the direction of keeping away from movable post, rotate the post while clockwise rotation, the connecting rod uses the rotation post to rotate clockwise as the axle center, thereby make the connecting rod keep away from the one end downswing of rotating the post, thereby make the connection rope taut in the twinkling of an eye, thereby make the connection rope produce the pressure of following direction to the runner, thereby avoid the lift to empty to the one end of installing the promotion subassembly.

2. Through setting up supporting component, loosen the nut simultaneously, the dwang uses the double-screw bolt as the axle center rotation in the top of side ear to change the strong point of support column, when rotatory to suitable strong point, lock nut is with the rigidity of dwang, thereby makes the base frame can adjust the strong point according to the topography.

Drawings

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

FIG. 2 is a schematic structural view of the middle support assembly of the present invention;

FIG. 3 is an exploded view of the structure of the pushing assembly and the counterweight assembly of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure:

1. a main body; 2. a cross bar; 3. a spring; 4. a movable post; 5. a rotating wheel; 6. mounting blocks; 7. connecting ropes; 8. connecting blocks; 9. a balancing weight; 10. a lateral ear; 11. a stud; 12. a support pillar; 13. a disc; 14. a nut; 15. a circular hole; 16. rotating the rod; 17. a connecting rod; 18. rotating the column; 19. a transmission rod; 20. a slider; 22. a through hole; 23. a bump; 24. and (4) a cylinder.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-4.

Referring to fig. 1-4, the present invention provides a technical solution: a steel structure chassis frame for an elevator, as shown in figure 1, figure 3 and figure 4, comprises a main body 1, a plurality of bottom wheels are fixedly installed at the bottom of the main body 1, a pushing assembly is fixedly installed at one end of the main body 1, when the pressure applied to the end where the pushing assembly is installed is too large, the elevator can slowly incline towards the end where the pushing assembly is installed, so that the distance between a disc 13 and the ground is close, the reaction force of the ground pushes a movable column 4 upwards, a counterweight assembly is fixedly installed at the other end of the main body 1, two connecting rods 17 are installed between the pushing assembly and the counterweight assembly, supporting assemblies are fixedly installed at both sides of the main body 1, each pushing assembly comprises two cross rods 2, the cross rods 2 are fixedly installed at one end of the main body 1, a lug 23 is fixedly installed at one end of the cross rod 2, which is far away from the main body 1, a through hole 22 is formed in the top of the lug 23, the movable column 4 is movably sleeved on the inner side of the through hole 22, the inner side of the movable column 4 is movably sleeved with a cylinder 24 below the bump 23, the bottom of the cross rod 2 is provided with a sliding groove, the inner part of the sliding groove is movably clamped with a sliding block 20, the cylinder 24 moves upwards along with the movable column 4 to enable the positions of the cylinder 24 and the cross rod 2 to be close to each other, the sliding block 20 moves towards the direction far away from the movable column 4, the bottom end of the sliding block 20 is movably sleeved with a rotating column 18, two ends of the cylinder 24 are both fixedly provided with transmission rods 19, one ends of the two transmission rods 19 far away from the cylinder 24 are movably sleeved on the outer side of the rotating column 18, two connecting rods 17 are respectively fixedly sleeved on the outer sides of two ends of the rotating column 18, in the moving process, the rotating column 18 simultaneously rotates clockwise, when the rotating column 18 rotates clockwise, the connecting rods 17 rotate clockwise by taking the rotating column 18 as an axis, the counterweight assembly comprises two mounting blocks 6, the two mounting blocks 6 are both fixedly mounted at one end of the main body 1 far away from the cross rod 2, fixed mounting has runner 5 between two installation pieces 6, fixed mounting has connecting block 8 between the one end side that rotation post 18 was kept away from to two connecting rods 17, the top fixed mounting of connecting block 8 has connection rope 7, the one end fixed connection balancing weight 9 of connecting block 8 is kept away from to connection rope 7, the one end downswing that rotation post 18 was kept away from to connecting rod 17, thereby make connection rope 7 taut in the twinkling of an eye, thereby make connection rope 7 produce the pressure that faces downwards to runner 5, the bottom fixed mounting of activity post 4 has disc 13, the outside of activity post 4 and fixedly connected with spring 3 between two lugs 23.

In this embodiment, when the one end of installing pushing assembly receives great pressure, when the lift inclines to the one end of pushing assembly, the reaction force on ground upwards promotes movable post 4, make movable post 4 upwards remove, in the in-process that movable post 4 upwards removed, cylinder 24 also upwards removes along with movable post 4, make the position of cylinder 24 and horizontal pole 2 be close to, make slider 20 remove to the direction of keeping away from movable post 4, in the in-process of removing, rotate post 18 clockwise simultaneously, when rotating post 18 clockwise, connecting rod 17 uses rotation post 18 to rotate clockwise as the axle center, thereby make the one end that connecting rod 17 kept away from rotation post 18 swing downwards, thereby make connecting rope 7 taut in the twinkling of an eye, thereby make connecting rope 7 produce the pressure of following direction to runner 5.

As shown in fig. 2, the supporting component includes the side ear 10, side ear 10 fixed mounting is in the both sides of main part 1, be used for fixed mounting dwang 16, the top demountable installation of side ear 10 has dwang 16, the bottom fixed mounting support column 12 of the one end of main part 1 is kept away from to the dwang 16, the bottom and the ground contact of support column 12 make the effective support that forms of supporting component, round hole 15 has been seted up at the top of side ear 10, round hole 15 runs through to the bottom of side ear 10 from the top of side ear 10, the bottom of dwang 16 and in the corresponding position fixed mounting of round hole 15 have a double-screw bolt 11, double-screw bolt 11 runs through side ear 10 from last to bottom through round hole 15, the bottom demountable installation of double-screw bolt 11 has nut 14, can lock or unblock dwang 16 through nut 14.

In this embodiment, the nut 14 is loosened to enable the rotating rod 16 to rotate above the side lug 10 by taking the stud 11 as an axis, so as to change the supporting point of the supporting column 12, and when the rotating rod is rotated to a proper supporting point, the locking nut 14 fixes the position of the rotating rod 16, so that the supporting point of the base frame can be adjusted according to the terrain.

The working principle is as follows: when the utility model is used, when one end provided with the pushing component is pressed by a larger pressure and the lifter inclines to one end of the pushing component, the reaction force of the ground pushes the movable post 4 upwards to cause the movable post 4 to move upwards, during the upward movement of the movable column 4, the cylinder 24 also moves upward along with the movable column 4, so that the positions of the cylinder 24 and the cross bar 2 are close, the slide block 20 moves away from the movable column 4, during the moving process, the rotating column 18 rotates clockwise at the same time, when the rotating column 18 rotates clockwise, the connecting rod 17 rotates clockwise by taking the rotating column 18 as the axis, so that the end of the connecting rod 17 remote from the rotary column 18 is swung downwards, so that the connecting rope 7 is momentarily tensioned, so that the connecting rope 7 exerts a downward pressure on the pulley 5 to prevent the elevator from tipping over towards the end where the pushing assembly is mounted.

When placing the base frame, can look for the strong point according to the topography, loosen nut 14 after, can make dwang 16 use double-screw bolt 11 to rotate as the axle center in the top of side ear 10 to change the strong point of support column 12, when rotatory to suitable strong point, lock nut 14 is with the rigidity of dwang 16, thereby makes the base frame can adjust the strong point according to the topography.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a steel construction chassis underframe for lift, includes main part (1), the bottom fixed mounting of main part (1) has a plurality of return pulley, its characterized in that: the one end fixed mounting of main part (1) has the promotion subassembly, the other end fixed mounting of main part (1) has the counter weight subassembly, install two connecting rods (17) between promotion subassembly and the counter weight subassembly, the equal fixed mounting in both sides of main part (1) has supporting component.

2. The steel structure chassis frame for the elevator as claimed in claim 1, wherein: the pushing assembly comprises two cross rods (2), the cross rods (2) are fixedly arranged at one end of the main body (1), a convex block (23) is fixedly arranged at one end of the cross bar (2) far away from the main body (1), the top of the lug (23) is provided with a through hole (22), the inner side of the through hole (22) is movably sleeved with a movable column (4), a cylinder (24) is movably sleeved at the inner side of the movable column (4) and below the convex block (23), the bottom of the cross bar (2) is provided with a sliding groove, the inside of the sliding groove is movably clamped with a sliding block (20), the bottom activity of slider (20) has cup jointed rotation post (18), the equal fixed mounting in both ends of cylinder (24) has transfer line (19), two the one end activity of keeping away from cylinder (24) of transfer line (19) is cup jointed in the outside of rotating post (18), two connecting rod (17) is fixed cup joint respectively in the both ends outside of rotating post (18).

3. The steel structure chassis frame for the elevator as claimed in claim 2, wherein: the counter weight subassembly includes two installation pieces (6), two the one end of horizontal pole (2) is kept away from in main part (1) to the equal fixed mounting of installation piece (6), two fixed mounting has runner (5) between installation piece (6), two fixed mounting has connecting block (8) between the one end side of rotation post (18) is kept away from in connecting rod (17), the top fixed mounting of connecting block (8) has connection rope (7), connect one end fixed connection balancing weight (9) that connecting block (8) were kept away from in rope (7).

4. The steel structure chassis frame for the elevator as claimed in claim 1, wherein: the supporting component comprises side ears (10), the side ears (10) are fixedly installed on two sides of the main body (1), the top of each side ear (10) is detachably installed with a rotating rod (16), and the rotating rod (16) is far away from a bottom fixed installation supporting column (12) at one end of the main body (1).

5. The steel structure chassis frame for the elevator as claimed in claim 2, wherein: the bottom fixed mounting of activity post (4) has disc (13), the outside of activity post (4) and fixedly connected with spring (3) between two lugs (23).

6. The steel structure chassis frame for the elevator as claimed in claim 4, wherein: round holes (15) are formed in the tops of the side ears (10), and the round holes (15) penetrate through the tops of the side ears (10) to the bottoms of the side ears (10).

7. The steel structure chassis frame for the elevator as claimed in claim 6, wherein: the bottom of dwang (16) and in the corresponding position fixed mounting of round hole (15) have double-screw bolt (11), double-screw bolt (11) are from last to running through side ear (10) down through round hole (15), the bottom demountable installation of double-screw bolt (11) has nut (14).