Rail load anti-falling lock

Abstract

The utility model discloses a rail load anti-falling lock, which relates to the technical field of anti-falling locks and comprises a carrying block and a driving clamp, a strip-shaped opening is arranged in the middle of the upper surface of the carrying block, the driving clamp is arranged on the inner side of the strip-shaped opening, round holes are arranged on two sides of the strip-shaped opening, and the round holes are communicated with the carrying block. A main gear shaft and an auxiliary gear shaft are arranged in the two round holes correspondingly, the lower end of the main gear shaft is rotationally sleeved with a first wheel shaft, the two ends of the first wheel shaft are both sleeved with first rolling wheels, a first shaft sleeve is arranged on one side of the carrier block, and the first shaft sleeve is connected with one end of the first wheel shaft in a sleeving mode; the lower end of the auxiliary gear shaft is rotationally sleeved with a second wheel shaft, one side of the carrier block is provided with a second shaft sleeve, the second shaft sleeve is connected with one end of the second wheel shaft in a sleeved mode, and the two ends of the second wheel shaft are each sleeved with a second rolling wheel. The utility model has the advantages of simple installation, strong bearing capacity, and safer and firmer linkage and interlocking.

Description

Technical Field

[0001] The utility model relates to the technical field of anti - falling locks, and particularly relates to an anti - falling lock for track loads. Background Art

[0002] In high - altitude operations, especially in industries such as wind power and electricity, the safety of operators is of utmost importance. Traditional high - altitude anti - falling devices have problems such as complex structures, inconvenient installation, and poor braking effects, making it difficult to meet the safety requirements of modern high - altitude operations. Therefore, it is particularly important to develop an anti - falling lock for track loads with a simple structure, convenient operation, and reliable braking. Summary of the Utility Model

[0003] In view of the problems existing in the existing anti - falling locks for track loads, the present utility model is proposed.

[0004] Therefore, the purpose of the present utility model is to provide an anti - falling lock for track loads, which solves the problems of complex structure, inconvenient installation, and poor braking effect of the anti - falling lock for track loads in the prior art.

[0005] In order to achieve the above purpose, the present utility model provides the following technical solutions:

[0006] An anti - falling lock for track loads includes a load block and an active clamp. A strip - shaped opening is formed in the middle of the upper surface of the load block. The active clamp is arranged inside the strip - shaped opening. Round holes are formed on both sides of the strip - shaped opening. A main gear shaft and a secondary gear shaft are respectively arranged inside the two round holes. A first wheel shaft is rotatably sleeved at the lower end of the main gear shaft. First rollers are sleeved at both ends of the first wheel shaft. A first shaft sleeve is arranged on one side of the load block and is sleeved with one end of the first wheel shaft. A second wheel shaft is rotatably sleeved at the lower end of the secondary gear shaft. A second shaft sleeve is arranged on one side of the load block and is sleeved with one end of the second wheel shaft. Second rollers are sleeved at both ends of the second wheel shaft. Grooves are formed at both ends of the lower part of both sides of the load block. A third wheel shaft is rotatably arranged between the two grooves on one side. A third shaft sleeve is arranged on one side of the load block and is sleeved with one end of the third wheel shaft. The middle end of the active clamp is sleeved with the third wheel shaft. Third rollers are sleeved at both ends of the third wheel shaft. A fourth wheel shaft is rotatably arranged between the two grooves on the other side. A fourth shaft sleeve is arranged on one side of the load block and is sleeved with one end of the fourth wheel shaft. Fourth rollers are sleeved at both ends of the fourth wheel shaft;

[0007] A limiting groove is formed on the side wall of the load block and on the side of the fourth roller. A locking structure pin is inserted into the limiting groove. An arc - shaped groove is formed at the lower end of the secondary gear shaft at a position corresponding to the locking structure pin. One end of the locking structure pin matches the arc - shaped groove;

[0008] A horizontal transverse hole is provided inside the carrier block, a connecting rod shaft is installed inside the transverse hole, threads are provided at both ends of the connecting rod shaft, and the threads at both ends of the connecting rod shaft are respectively engaged with the teeth of the corresponding main gear shaft and the sub-gear shaft.

[0009] Preferably, a retaining pin is provided inside the strip-shaped opening and on one side of the active clamp, and a first spring is provided between the retaining pin and the brake clamp. Both ends of the first spring are fixedly connected to the corresponding retaining pin and the brake clamp respectively.

[0010] Preferably, a threaded plug is sleeved on the inner thread at one end of the transverse hole.

[0011] Preferably, a plug is provided on the upper side of the sub-gear shaft.

[0012] Preferably, first gaskets, second gaskets, third gaskets and fourth gaskets are respectively provided inside the first shaft sleeve, the second shaft sleeve, the third shaft sleeve and the fourth shaft sleeve.

[0013] Preferably, a T-shaped plug is sleeved on the outer end of the locking structure pin, and the T-shaped plug is matched with the limiting groove.

[0014] Preferably, a second spring is fixedly provided at one end of the locking structure pin away from the T-shaped plug, and the other end of the second spring is fixedly connected to the inner wall of the limiting groove.

[0015] Preferably, a third spring is fixedly connected between the connecting rod shaft and the threaded plug.

[0016] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0017] In the present utility model, since there is an active clamp on the carrier block, when the locking structure pin is pressed and the main gear shaft is manually rotated clockwise by 90 degrees, the sub-gear shaft is driven to rotate through the connecting rod shaft at the same time. When the first roller and the second roller at the bottom are in a vertical state, they are installed on the track card slot. Then the main gear shaft is rotated counterclockwise by 90 degrees, the sub-gear shaft is driven to rotate through the connecting rod shaft, and the locking structure pin is automatically reset and locked through the second spring at the bottom. After installation, it slides up and down on the track to work. When falling rapidly, the active clamp immediately locks onto the track card hole to prevent falling from a height. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0019] Figure 1Schematic structural diagram of an anti-falling lock for track load proposed by the present utility model;

[0020] Figure 2 is Figure 1 explosion structural diagram of;

[0021] Figure 3 is Figure 1 internal structural diagram of.

[0022] Explanation of reference numerals:

[0023] 1. Auxiliary gear shaft; 2. Main gear shaft; 3. Plug; 4. First gasket; 5. First roller; 6. First bushing; 7. Second gasket; 8. Second bushing; 9. Second roller; 10. Third bushing; 11. Third roller; 12. Carrier block; 13. First wheel shaft; 14. Fourth roller; 15. Threaded plug; 16. Fourth bushing; 17. Second wheel shaft; 18. Third gasket; 19. Active clamp; 20. Fourth gasket; 21. Third wheel shaft; 22. Connecting rod shaft; 23. Fourth wheel shaft; 24. Cotter pin; 25. First spring; 26. Locking structure pin; 27. Second spring; 28. Third spring; 29. T-shaped plug. Specific embodiments

[0024] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0025] An embodiment of the present utility model discloses an anti-falling lock for track load.

[0026] Refer to Figures 1-3, An anti-falling lock for an orbital load, including a load block 12 and an active clamp 19. A strip-shaped opening is provided in the middle of the upper surface of the load block 12. The active clamp 19 is arranged inside the strip-shaped opening. Round holes are provided on both sides of the strip-shaped opening. A main gear shaft 2 and a secondary gear shaft 1 are respectively arranged inside the two round holes. A plug 3 is arranged on the upper side of the secondary gear shaft 1. The lower end of the main gear shaft 2 is rotatably sleeved with a first round shaft 13. First rollers 5 are sleeved at both ends of the first round shaft 13. A first shaft sleeve 6 is arranged on one side of the load block 12. One end of the first round shaft 13 is sleeved with the first shaft sleeve 6. The lower end of the secondary gear shaft 1 is rotatably sleeved with a second round shaft 17. A second shaft sleeve 8 is arranged on one side of the load block 12. One end of the second round shaft 17 is sleeved with the second shaft sleeve 8. Second rollers 9 are sleeved at both ends of the second round shaft 17. Grooves are provided at both ends of the lower part of both sides of the load block 12. A third round shaft 21 is rotatably arranged between two grooves on one side. A third shaft sleeve 10 is arranged on one side of the load block 12. One end of the third round shaft 21 is sleeved with the third shaft sleeve 10. The middle end of the active clamp 19 is sleeved with the third round shaft 21. Third rollers 11 are sleeved at both ends of the third round shaft 21. A fourth round shaft 23 is rotatably arranged between two grooves on the other side. A fourth shaft sleeve 16 is arranged on one side of the load block 12. One end of the fourth round shaft 23 is sleeved with the fourth shaft sleeve 16. Fourth rollers 14 are sleeved at both ends of the fourth round shaft 23. First gaskets 4, second gaskets 7, third gaskets 18 and fourth gaskets 20 are respectively arranged inside the first shaft sleeve 6, the second shaft sleeve 8, the third shaft sleeve 10 and the fourth shaft sleeve 16;

[0027] Refer to Figures 1-3 , A limiting groove is provided on the side wall of the load block 12 and on the side of the fourth roller 14. A locking structure pin 26 is inserted inside the limiting groove. An arc-shaped groove is provided at the lower end of the secondary gear shaft 1 and at the position corresponding to the locking structure pin 26. One end of the locking structure pin 26 is matched with the arc-shaped groove. A T-shaped plug 29 is sleeved on the outer end of the locking structure pin 26. The T-shaped plug 29 is matched with the limiting groove. A second spring 27 is fixedly arranged at the end of the locking structure pin 26 away from the T-shaped plug 29. The other end of the second spring 27 is fixedly connected with the inner wall of the limiting groove;

[0028] Refer to Figures 1-3 , A horizontal hole is provided inside the load block 12. A connecting rod shaft 22 is installed inside the horizontal hole. Threads are provided at both ends of the connecting rod shaft 22. The threads at both ends of the connecting rod shaft 22 are respectively meshed with the teeth of the corresponding main gear shaft 2 and secondary gear shaft 1. A threaded plug 15 is threadedly sleeved inside one end of the horizontal hole. A third spring 28 is fixedly connected between the connecting rod shaft 22 and the threaded plug 15.

[0029] Refer to Figures 1-3 , A pin 24 is arranged inside the strip-shaped opening and on the side of the active clamp 19. A first spring 25 is arranged between the pin 24 and the brake clamp. Both ends of the first spring 25 are respectively fixedly connected with the corresponding pin 24 and the brake clamp.

[0030] In the present utility model, during use, there is an active clamp 19 on the carrier block 12. Press the locking structure pin 26 and manually rotate the main gear shaft 2 clockwise by 90 degrees. At the same time, drive the secondary gear shaft 1 to rotate through the connecting rod shaft 22. When the first roller 5 and the second roller 9 at the bottom are in a vertical state, install them onto the track card slot. Then rotate the main gear shaft 2 counterclockwise by 90 degrees, drive the secondary gear shaft 1 to rotate through the connecting rod shaft 22, and the locking structure pin 26 automatically resets and locks through the second spring 27 at the bottom. After installation, it slides up and down on the track. When falling rapidly, the active clamp 19 immediately locks onto the track card hole to prevent falling from a height.

[0031] Only some exemplary embodiments of the present utility model have been described by way of illustration. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present utility model, the described embodiments can be modified in various different ways. Therefore, the above-mentioned drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. An anti-falling lock for an orbital load, comprising a load block (12) and an active clamp (19), characterized in that, A strip-shaped opening is formed in the middle of the upper surface of the carrier block (12). The active clamp (19) is arranged inside the strip-shaped opening. Circular holes are formed on both sides of the strip-shaped opening. A main gear shaft (2) and a sub-gear shaft (1) are respectively arranged inside the two circular holes. A first wheel shaft (13) is rotatably sleeved at the lower end of the main gear shaft (2). First rollers (5) are sleeved at both ends of the first wheel shaft (13). A first shaft sleeve (6) is arranged on one side of the carrier block (12). The first shaft sleeve (6) is sleeved with one end of the first wheel shaft (13). A second wheel shaft (17) is rotatably sleeved at the lower end of the sub-gear shaft (1). A second shaft sleeve (8) is arranged on one side of the carrier block (12). The second shaft sleeve (8) is sleeved with one end of the second wheel shaft (17). Second rollers (9) are sleeved at both ends of the second wheel shaft (17). Grooves are formed at both ends of the lower part of both sides of the carrier block (12). A third wheel shaft (21) is rotatably arranged between two grooves on one side. A third shaft sleeve (10) is arranged on one side of the carrier block (12). The third shaft sleeve (10) is sleeved with one end of the third wheel shaft (21). The middle end of the active clamp (19) is sleeved with the third wheel shaft (21). Third rollers (11) are sleeved at both ends of the third wheel shaft (21). A fourth wheel shaft (23) is rotatably arranged between two grooves on the other side. A fourth shaft sleeve (16) is arranged on one side of the carrier block (12). The fourth shaft sleeve (16) is sleeved with one end of the fourth wheel shaft (23). Fourth rollers (14) are sleeved at both ends of the fourth wheel shaft (23); A limit groove is formed in the side wall of the carrier block (12) and on the side of the fourth roller (14). A locking structure pin (26) is inserted into the limit groove. An arc-shaped groove is formed at the lower end of the sub-gear shaft (1) at a position corresponding to the locking structure pin (26). One end of the locking structure pin (26) is matched with the arc-shaped groove; A horizontal hole is formed inside the carrier block (12). A connecting rod shaft (22) is installed inside the horizontal hole. Threads are formed at both ends of the connecting rod shaft (22). The threads at both ends of the connecting rod shaft (22) are respectively meshed with the teeth of the corresponding main gear shaft (2) and sub-gear shaft (1).

2. The anti-falling lock for track load according to claim 1, characterized in that, A retaining pin (24) is arranged inside the strip-shaped opening and on the side of the active clamp (19). A first spring (25) is arranged between the retaining pin (24) and the brake clamp. Both ends of the first spring (25) are fixedly connected to the corresponding retaining pin (24) and brake clamp respectively.

3. The anti-falling lock for track load according to claim 1, characterized in that, A threaded plug (15) is threadedly sleeved inside one end of the horizontal hole.

4. The anti-falling lock for track load according to claim 1, wherein A plug (3) is arranged on the upper side of the sub-gear shaft (1).

5. The anti-falling lock for track load according to claim 1, characterized in that, First gaskets (4), second gaskets (7), third gaskets (18) and fourth gaskets (20) are respectively arranged inside the first shaft sleeve (6), second shaft sleeve (8), third shaft sleeve (10) and fourth shaft sleeve (16).

6. The anti-falling lock for track load according to claim 1, characterized in that, A T-shaped plug (29) is sleeved on the outer side end of the locking structure pin (26). The T-shaped plug (29) is matched with the limit groove.

7. The anti-falling lock for track load according to claim 1, characterized in that, One end of the locking structure pin (26) away from the T-shaped plug (29) is fixedly provided with a second spring (27), and the other end of the second spring (27) is fixedly connected to the inner wall of the limiting groove.

8. The anti-falling lock for track load according to claim 1, characterized in that A third spring (28) is fixedly connected between the connecting rod shaft (22) and the threaded plug (15).

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