Large-tonnage cargo elevator damping mechanism

Abstract

The utility model discloses a large-tonnage cargo elevator damping mechanism which comprises a cushion pad and a top plate installed on the outer wall of the lower end of the cushion pad, a base is arranged on the lower side of the top plate, damping springs are fixedly connected between the four corners of the outer wall of the lower end of the top plate and the four corners of the outer wall of the upper end of the base, and an installation plate a is arranged on the right side of the base. By installing a push rod, a push ring, the auxiliary spring and the mounting plate a, when the goods elevator moves downwards to push a top plate to enable a plurality of damping springs to be compressed downwards to store energy, the push rod can be driven by the top plate to move downwards to enable the push ring to drive the auxiliary spring to contract, and the pressure of the damping springs is reduced; the damping effect is further improved, long-term use of the large-tonnage cargo elevator is facilitated, energy storage pressure can be effectively dispersed when the cargo elevator moves downwards, the load of the damping spring is relieved, the impact force is reduced, and therefore the stability and riding experience of the cargo elevator are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to shock absorption of freight elevators, and specifically relates to a shock absorption mechanism for a large-tonnage freight elevator. Background Art

[0002] Large-tonnage freight elevators usually need to be equipped with shock-absorbing mechanisms to ensure the stability and safety of the freight elevator during operation. The shock-absorbing mechanism is a device used to reduce or suppress vibration and impact. It can effectively reduce the vibration and noise generated when the freight elevator stops at the bottom of the elevator shaft, thereby improving the comfort and safety of the freight elevator. However, when the weight of the goods inside the freight elevator is heavy, the bottom of the freight elevator contacts the shock-absorbing mechanism, causing the shock-absorbing spring to contract. The energy storage of the shock-absorbing spring is large, resulting in a large impact force when the freight elevator is lifted or lowered, which will affect the stability and riding experience of the freight elevator, and increase the burden on the brake belt of the freight elevator. Utility Model Content

[0003] The purpose of the utility model is to provide a shock-absorbing mechanism for a large-tonnage freight elevator so as to solve the problem raised in the above-mentioned background technology that when the weight of the goods inside the freight elevator is heavy, the bottom of the freight elevator contacts the shock-absorbing mechanism, causing the shock-absorbing spring to contract, and the energy storage of the shock-absorbing spring is large, resulting in a large impact force when the freight elevator is lifted or lowered.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock absorbing mechanism for a large-tonnage freight elevator, comprising a buffer pad and a top plate installed on the outer wall of the lower end of the buffer pad;

[0005] A base is provided on the lower side of the top plate;

[0006] Shock-absorbing springs are fixedly connected between the four corners of the lower outer wall of the top plate and the four corners of the upper outer wall of the base;

[0007] A mounting plate a is provided on the right side of the base, an auxiliary spring is fixedly connected to the left outer wall of the mounting plate a, a push ring is fixedly connected to the left outer wall of the auxiliary spring, and a push rod is provided between the push ring and the top plate to control the push rod to push the auxiliary spring to contract when the top plate moves downward.

[0008] Preferably, a mounting plate b is fixedly connected at the center of the outer wall of the right end of the base, and a fixing rod is fixedly connected between the mounting plate a and the mounting plate b to limit the retraction and extension direction of the auxiliary spring.

[0009] Preferably, the outer walls at both left and right ends of the push rod are fixedly connected with fixed sleeves, and the outer wall at the left end of the push ring is fixedly connected with a limiting sleeve.

[0010] Preferably, a positioning rod b is fixedly connected between the inner walls at the upper and lower ends of the limiting sleeve and passes through the limiting sleeve to limit the position of one side of the push rod, and a fixing plate is fixedly connected to the outer wall at the right end of the top plate.

[0011] Preferably, a positioning rod a is fixedly connected between the inner walls at the upper and lower ends of the fixing plate and passes through a limiting sleeve to limit the position of one side of the push rod, and the limiting sleeve can be angularly rotated on the positioning rod a and the positioning rod b.

[0012] Preferably, the lowermost side of the right end outer wall of the mounting plate a is fixedly connected to a base plate, and the upper end outer wall of the base plate is respectively provided with fixing bolts near the front and rear sides to limit the position of the mounting plate a and the base to be on the same horizontal plane.

[0013] Preferably, a piston sleeve is fixedly connected to the center of the upper outer wall of the base, and a piston rod is internally transmission-connected to the center of the upper outer wall of the piston sleeve.

[0014] Preferably, a plurality of positioning screws are equidistantly arranged on the outer wall of the upper end of the base, and nuts are threadedly connected to the other sides of the plurality of positioning screws to limit the position of the base.

[0015] Compared with the prior art, the utility model provides a large-tonnage freight elevator shock absorbing mechanism, which has the following beneficial effects:

[0016] By installing the push rod, push ring, auxiliary spring and mounting plate a, when the freight elevator moves downward to push the top plate so that multiple shock-absorbing springs are compressed downward to store energy, the push rod can be driven downward by the top plate so that the push ring drives the auxiliary spring to contract, thereby reducing the pressure of the shock-absorbing spring and further enhancing the shock-absorbing effect. This is beneficial to the long-term use of large-tonnage freight elevators and can effectively disperse the pressure of stored energy when the freight elevator moves down to one floor, reducing the load on the shock-absorbing spring and the size of the impact force, thereby improving the stability of the freight elevator and the riding experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the structure of a shock absorbing mechanism of a large-tonnage freight elevator.

[0018] Figure 2 It is a schematic diagram of the local structure of the fixed plate area viewed from above of the utility model.

[0019] Figure 3 This is a schematic diagram of the top view structure of the limiting sleeve area of ​​the utility model.

[0020] In the figure: 1. buffer pad; 2. top plate; 3. fixing plate; 4. push rod; 5. mounting plate a; 6. fixing bolt; 7. bottom plate; 8. auxiliary spring; 9. push ring; 10. fixing rod; 11. mounting plate b; 12. piston rod; 13. shock-absorbing spring; 14. piston sleeve; 15. positioning screw; 16. base; 17. nut; 18. positioning rod a; 19. fixing sleeve; 20. limiting sleeve; 21. positioning rod b. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in 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 in 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.

[0022] The utility model provides Figure 1-3 A shock absorbing mechanism for a large-tonnage freight elevator is shown, comprising a buffer pad 1 and a top plate 2 mounted on the outer wall of the lower end of the buffer pad 1;

[0023] A base 16 is provided on the lower side of the top plate 2;

[0024] Shock-absorbing springs 13 are fixedly connected between the four corners of the lower outer wall of the top plate 2 and the four corners of the upper outer wall of the base 16. When the freight elevator moves down to one floor, the bottom of the freight elevator will contact the buffer pad 1 and push the top plate 2 down, so that multiple shock-absorbing springs 13 shrink downward, reducing the speed of the freight elevator moving down to one floor, and alleviating the vibration amplitude when the freight elevator stops at one floor;

[0025] A mounting plate a5 is provided on the right side of the base 16, and an auxiliary spring 8 is fixedly connected to the outer wall of the left end of the mounting plate a5, and a push ring 9 is fixedly connected to the outer wall of the left end of the auxiliary spring 8. A push rod 4 is provided between the push ring 9 and the top plate 2 to control the push rod 4 to push the auxiliary spring 8 to contract when the top plate 2 moves downward. When the top plate 2 moves downward, the auxiliary spring 8 will contract and store energy by pushing the push rod 4, thereby alleviating the pressure of the shock-absorbing spring 13 when it contracts downward.

[0026] like Figure 1 and Figure 3 As shown, a mounting plate b11 is fixedly connected to the center of the outer wall of the right end of the base 16, and a fixing rod 10 is fixedly connected between the mounting plate a5 and the mounting plate b11 to limit the retraction and extension direction of the auxiliary spring 8.

[0027] When the auxiliary spring 8 is retracted or extended, the fixing rod 10 can be used to limit the position of the auxiliary spring 8 when it is retracted and reset, so as to prevent the auxiliary spring 8 from being retracted or extended in the upper and lower positions.

[0028] like Figure 1 and Figure 2 As shown, the outer walls of the left and right ends of the push rod 4 are fixedly connected with a fixing sleeve 19, the outer wall of the left end of the push ring 9 is fixedly connected with a limiting sleeve 20, a positioning rod b21 is fixedly connected between the inner walls of the upper and lower ends of the limiting sleeve 20 and passes through the limiting sleeve 20 to limit the position of one side of the push rod 4, and the outer wall of the right end of the top plate 2 is fixedly connected with a fixing plate 3.

[0029] When the top plate 2 moves downward, it will push the push rod 4 to move rightward, and during the movement, the limit sleeve 20 on the right side of the push rod 4 will rotate slightly at an angle limited by the positioning rod b21 to adapt to the angle of the top plate 2 when it moves downward.

[0030] like Figure 1 and Figure 2 As shown, a positioning rod a18 is fixedly connected between the inner walls of the upper and lower ends of the fixing plate 3 and passes through a limiting sleeve 20 to limit the position of one side of the push rod 4. The limiting sleeve 20 can be rotated on the positioning rod a18 and the positioning rod b21.

[0031] When the top plate 2 moves downward, it will drive the limiting sleeve 20 on the left side of the push rod 4 to adjust the angle under the restriction of the positioning rod a18 to adapt to the tilt angle of the top plate 2 when pushing the push rod 4 to move.

[0032] like Figure 1 As shown, the bottom side of the right end outer wall of the mounting plate a5 is fixedly connected to the bottom plate 7, and the upper end outer wall of the bottom plate 7 is respectively provided with fixing bolts 6 near the front and rear sides to limit the position of the mounting plate a5 and the base 16 to be on the same horizontal plane.

[0033] The mounting plate a5 is fixed to the lower end of the elevator shaft by fixing bolts 6 and is on the same horizontal plane as the base 16 to prevent the auxiliary spring 8 from having unstable displacement when being retracted or released.

[0034] like Figure 1 As shown, a piston sleeve 14 is fixedly connected to the center of the upper outer wall of the base 16, and a piston rod 12 is internally connected to the center of the upper outer wall of the piston sleeve 14. A plurality of positioning screws 15 are equidistantly arranged on the upper outer wall of the base 16, and nuts 17 are threadedly connected to the other sides of the plurality of positioning screws 15 to limit the position of the base 16.

[0035] When the top plate 2 moves downward, it will push the piston rod 12 to move inside the piston sleeve 14, reducing the moving speed of the top plate 2 and increasing the resistance of the freight elevator when it moves downward, thereby reducing the vibration when the freight elevator moves downward. When installing the base 16, first fix a plurality of positioning screws 15 at the bottom of the elevator shaft and insert the base 16 onto the positioning screws 15, and then thread the nut 17 at the other end of the positioning screw 15 to limit the position of the base 16.

[0036] The implementation principle of this embodiment is as follows: when the freight elevator moves down to one floor, the bottom of the freight elevator will contact the buffer pad 1 and push the top plate 2 to move down, so that multiple shock-absorbing springs 13 will shrink downward, reducing the speed of the freight elevator moving down to one floor, and alleviating the vibration amplitude when the freight elevator stops at one floor. When the top plate 2 moves down, the auxiliary spring 8 will shrink and store energy by pushing the push rod 4, thereby alleviating the pressure of the shock-absorbing spring 13 when it shrinks downward.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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. A shock absorbing mechanism for a large-tonnage freight elevator, comprising a buffer pad (1) and a top plate (2) mounted on the outer wall of the lower end of the buffer pad (1); A base (16) is provided on the lower side of the top plate (2); Shock-absorbing springs (13) are fixedly connected between the four corners of the lower outer wall of the top plate (2) and the four corners of the upper outer wall of the base (16); Features: A mounting plate a (5) is provided on the right side of the base (16); an auxiliary spring (8) is fixedly connected to the outer wall at the left end of the mounting plate a (5); a push ring (9) is fixedly connected to the outer wall at the left end of the auxiliary spring (8); a push rod (4) is provided between the push ring (9) and the top plate (2) so as to control the push rod (4) to push the auxiliary spring (8) to retract when the top plate (2) moves downward.

2. A shock absorbing mechanism for a large-tonnage freight elevator according to claim 1, characterized in that: A mounting plate b (11) is fixedly connected to the center of the outer wall of the right end of the base (16), and a fixing rod (10) is fixedly connected between the mounting plate a (5) and the mounting plate b (11) to limit the retraction and extension direction of the auxiliary spring (8).

3. A shock absorbing mechanism for a large-tonnage freight elevator according to claim 1, characterized in that: The outer walls at both left and right ends of the push rod (4) are fixedly connected to a fixing sleeve (19), and the outer wall at the left end of the push ring (9) is fixedly connected to a limiting sleeve (20).

4. A shock absorbing mechanism for a large-tonnage freight elevator according to claim 3, characterized in that: A positioning rod b (21) is fixedly connected between the inner walls at the upper and lower ends of the limiting sleeve (20) and passes through the limiting sleeve (20) to limit the position of one side of the push rod (4). A fixing plate (3) is fixedly connected to the outer wall at the right end of the top plate (2).

5. A shock absorbing mechanism for a large-tonnage freight elevator according to claim 4, characterized in that: A positioning rod a (18) is fixedly connected between the inner walls at the upper and lower ends of the fixing plate (3) and passes through a limiting sleeve (20) to limit the position of one side of the push rod (4); the limiting sleeve (20) can be angularly rotated on the positioning rod a (18) and the positioning rod b (21).

6. A shock absorbing mechanism for a large-tonnage freight elevator according to claim 1, characterized in that: The bottom side of the right end outer wall of the mounting plate a (5) is fixedly connected to a bottom plate (7), and the top end outer wall of the bottom plate (7) is provided with fixing bolts (6) near the front and rear sides respectively to limit the position of the mounting plate a (5) and the base (16) to be on the same horizontal plane.

7. The shock absorbing mechanism for a large-tonnage freight elevator according to claim 1 is characterized in that: A piston sleeve (14) is fixedly connected to the center of the upper outer wall of the base (16), and a piston rod (12) is internally transmission-connected to the center of the upper outer wall of the piston sleeve (14).

8. The shock absorbing mechanism for a large-tonnage freight elevator according to claim 1 is characterized in that: A plurality of positioning screws (15) are equidistantly arranged on the outer wall of the upper end of the base (16), and nuts (17) are threadedly connected to the other sides of the plurality of positioning screws (15) to limit the position of the base (16).

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