Direction-changeable box body lock hook structure for pull arm hook

Abstract

The utility model relates to a direction-changeable box body lock hook structure for a pull arm hook, and belongs to the technical field of pull arm hooks, the direction-changeable box body lock hook structure comprises lock hook sliding seats and lock hook bodies, hook grooves are formed in the lock hook bodies, two sets of lock hook sliding seats and two sets of lock hook bodies are arranged at intervals, and locking oil cylinders are arranged between the two sets of lock hook sliding seats and the lock hook bodies; a connecting assembly is arranged between the locking oil cylinder and the two lock hook bodies, and the connecting assembly is used for adjusting the direction of the hook grooves, connected to the locking oil cylinder, of the two lock hook bodies. According to the lock hook structure, the hook grooves in the lock hook body can tightly hook different vehicle types, and the universality of the lock hook structure is greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of hooklifts, and in particular to a box-shaped locking hook structure with a changeable direction for hooklifts. Background Art

[0002] Hooklift equipment is widely used in special vehicles with detachable carriages. It has the advantages of convenient replacement of carriages and easy dumping. It also greatly reduces labor intensity during loading and unloading, significantly improving working conditions. With the development of science and technology and the progress of society, the demand for hooklifts has increased year by year, and its application scope has also become larger and larger. The hooklift chassis refers to the part where the bottom of the hooklift is connected to the vehicle body. It mainly serves to fix the hooklift and make it work stably.

[0003] The existing Chinese patent with publication number CN201520241U discloses a hook arm lock box mechanism, including a locking ear guide seat, a locking box cylinder is arranged in the middle of the locking ear guide seat, the locking box cylinder is connected to two locking ears on the left and right sides through two cylinder pins, and the two locking ears slide in the locking ear guide seat.

[0004] When the lock box mechanism is used to lock the carriage, the lock box oil cylinder pulls the two locking ears toward one side close to each other, so that the locking ears lock the carriage.

[0005] With respect to the above-mentioned related technologies, the inventor believes that different car models require different locking directions, which reduces the versatility of the lock hook structure. Utility Model Content

[0006] The technical problem to be solved by the utility model is to provide a box lock hook structure with replaceable direction for a hooklift, which solves the technical problem that different models of carriages require inconsistent locking directions, thereby reducing the versatility of the lock hook structure.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A box-shaped lock hook structure with replaceable direction for a hook arm, comprising a lock hook slide and a lock hook body, a hook groove being formed on the lock hook body, two groups of lock hook slides and the lock hook body being spaced apart, a locking cylinder being arranged between the two groups of lock hook slides and the lock hook bodies, a connecting component being arranged between the locking cylinder and the two lock hook bodies, and the connecting component being used to adjust the direction of the hook groove when the two lock hook bodies are connected to the locking cylinder.

[0009] Through the above technical solution, the lock hook slide is installed on the vehicle body, and the locking cylinder drives the lock hook body to slide on the lock hook slide. When the vehicle models are different, the hook groove on the lock hook body changes direction through the connecting component, so that the hook groove on the lock hook body can hook different vehicle models, which greatly improves the versatility of the lock hook structure.

[0010] Furthermore, the connecting assembly includes a lock hook connecting rod, one end of which is rotatably connected to the locking cylinder, and the other end extends to a side close to the lock hook body; a fixing groove is provided on the lock hook body, and a fixing plate is provided at one end of the lock hook connecting rod close to the lock hook body, and the fixing plate is embedded in the fixing groove.

[0011] Through the above technical solution, one end of the lock hook connecting rod is connected to the locking cylinder, and the other end is pulled on the fixed groove of the lock hook body through the fixing plate, so that the locking cylinder can drive the lock hook body to slide on the lock hook sliding groove through the lock hook connecting rod.

[0012] Furthermore, a slide groove is provided on the lock hook slide seat, and a slider is provided on the lock hook body, and the slider is slidably matched with the slide groove.

[0013] Through the above technical solution, the lock hook body slides and cooperates with the slide groove on the lock hook slide seat through the slider, thereby improving the sliding stability of the lock hook body on the lock hook slide seat.

[0014] Furthermore, a limit stopper is provided on the lock hook body, a first mounting portion and a second mounting portion are formed on the lock hook body, and the limit stopper is mounted on the first mounting portion or the second mounting portion on the lock hook body.

[0015] Through the above technical solution, the limit block is installed on the lock hook body according to the different directions of the hook groove on the lock hook body, so that when the lock hook body locks the car, the limit block can be pressed against the lock hook slide seat.

[0016] Furthermore, a support plate is provided on the locking hook slide seat, and a first support surface is formed on a side of the support plate facing toward the locking cylinder.

[0017] Through the above technical solution, when the lock hook body locks the car body, the first supporting surface of the supporting plate on the lock hook slide seat is pressed against the car body, reducing the force of the locking cylinder.

[0018] Furthermore, a hook plate is provided on one side of the locking hook slide seat close to the locking cylinder, and the hook plate is spaced apart from the support plate.

[0019] Through the above technical solution, the hook plate on the lock hook slide is hooked on the vehicle body, thereby improving the stability of the lock hook slide on the vehicle body.

[0020] Furthermore, a second supporting surface is formed on one side of the locking hook connecting rod close to the locking hook body, and the second supporting surface is arranged in parallel and at intervals with a side surface of the locking hook sliding seat close to the locking cylinder.

[0021] Through the above technical solution, the second supporting surface on the locking hook body is pressed against the locking hook slide seat, so that the reaction force of the locking carriage can act on the vehicle body, thereby reducing the force acting on the locking cylinder.

[0022] In summary, the present application includes at least one of the following beneficial technical effects of a box-type lock hook structure with a reversible direction for a hooklift:

[0023] 1. The lock hook slide is installed on the vehicle body, and the locking cylinder drives the lock hook body to slide on the lock hook slide. When the car model is different, the hook groove on the lock hook body changes direction through the connecting component, so that the hook groove on the lock hook body can hook different car models, which greatly improves the versatility of the lock hook structure;

[0024] 2. The fixing plate on the lock hook connecting rod is embedded in the fixing groove on the lock hook body, and the slider on the lock hook body is slidably matched with the slide groove on the lock hook slide seat, thereby improving the sliding stability of the lock hook slide seat during the process of hooking the carriage;

[0025] 3. By setting the first supporting surface and the second supporting surface, when the locking hook body locks the carriage in different directions, the reaction force on the carriage can act on the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is an overall schematic diagram of a box lock hook structure with a changeable direction for a hooklift provided by this embodiment;

[0027] Figure 2 It is an exploded schematic diagram of the lock hook slide structure mainly provided by this embodiment;

[0028] Figure 3 This is a schematic diagram of the structure of the lock hook body provided by this embodiment;

[0029] Figure 4 This is a schematic diagram of the state in which the locking hook body of the vehicle longitudinal beam opening outward is opened, which is mainly provided by this embodiment;

[0030] Figure 5 This is a schematic diagram of the locking state of the outward locking hook body of the vehicle longitudinal beam opening provided by this embodiment;

[0031] Figure 6 This is a schematic diagram of the state in which the locking hook body of the vehicle longitudinal beam opening inwards is opened, which is mainly provided by this embodiment;

[0032] Figure 7It is a schematic diagram of the locked state of the inward locking hook body of the car longitudinal beam opening provided by this embodiment.

[0033] Reference numerals:

[0034] 1. Lock hook slide; 11. Slide groove; 12. Support plate; 13. First support surface; 14. Hook plate; 2. Lock hook body; 21. Flat plate; 22. Lock hook; 23. Hook groove; 24. Slider; 25. Locking cylinder; 26. Fixed groove; 27. First mounting part; 28. Second mounting part; 29. ​​Limit block; 3. Connecting assembly; 31. Lock hook connecting rod; 32. Fixed plate; 33. Second support surface; 4. Turning frame; 41. Crossbeam; 42. Longitudinal beam; 43. Beam groove. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments.

[0036] The following is combined with Figure 1-7 This application is described in further detail.

[0037] The embodiment of the present application discloses a box lock hook structure with changeable direction for a hooklift.

[0038] Reference Figure 1-Figure 2 A box-type lock hook structure with a changeable direction for a hook arm includes a lock hook slide 1 and a lock hook body 2, wherein the lock hook body 2 is slidably mounted on the lock hook slide 1. A hook groove 23 is formed on the lock hook body 2. The hook groove 23 on the lock hook body 2 hooks the carriage tightly, so that the carriage can be connected to the vehicle body.

[0039] A turning frame 4 is installed on the vehicle body. Two turning frames 4 are arranged on the vehicle body at intervals. A crossbeam 41 is arranged between the two turning frames 4. Both ends of the crossbeam 41 are respectively connected to the turning frames 4 on both sides.

[0040] The lock hook slide 1 corresponds to the flip frame 4, and the lock hook slides 1 on the two flip frames 4 are arranged at intervals. The lock hook slide 1 is provided with a slide groove 11, which passes through both sides of the lock hook slide 1 along the length direction of the crossbeam 41. The lock hook body 2 includes a flat plate portion 21 and a lock hook portion 22. The flat plate portion 21 is in a rectangular plate shape as a whole. The lock hook portion 22 and the flat plate portion 21 are integrally formed, and a hook groove 23 is formed between the lock hook portion 22 and the flat plate portion 21.

[0041] Slide blocks 24 are provided on both sides of the flat plate portion 21 of the lock hook body 2 in the width direction. The slide blocks 24 are integrally formed with the flat plate portion 21 of the lock hook body 2, and the other ends thereof are slidably matched with the slide groove 11 on the lock hook slide seat 1. A longitudinal beam 42 is provided on the carriage, and two longitudinal beams 42 are provided on the carriage at intervals, and beam grooves 43 are formed on both longitudinal beams 42.

[0042] When the beam grooves 43 on the two longitudinal beams 42 face the side close to each other, the hook grooves 23 on the two hook body 2 face the opposite side. By moving the two hook bodies 2 away from each other, the two hook bodies 2 are hooked to the beam grooves 43 on the longitudinal beam 42.

[0043] When the beam grooves 43 on the two longitudinal beams 42 face the opposite side, the hook grooves 23 on the two hook body 2 face the side close to each other. By moving the two hook bodies 2 close to each other, the two hook bodies 2 are hooked to the beam grooves 43 on the longitudinal beam 42.

[0044] In order to improve the convenience of the two hook bodies 2 sliding on the hook slide seat 1, therefore, a locking oil cylinder 25 is arranged between the two hook bodies 2, and a connecting component 3 is arranged between the locking oil cylinder 25 and the hook body 2. The connecting component 3 includes a hook connecting rod 31. The hook connecting rod 31 corresponds to the hook body 2. One end of the hook connecting rod 31 is rotatably connected to the locking oil cylinder 25, and the other end extends toward the side close to the hook body 2.

[0045] Refer to Figure 3 , a fixing groove 26 is formed on the side of the hook body 2 close to the hook slide seat 1. The fixing groove 26 is in the shape of a Chinese character 'zhong' as a whole, and both ends of the fixing groove 26 penetrate through both ends of the hook body 2 in the length direction. A fixing plate 32 is arranged at one end of the hook connecting rod 31 close to the hook slide seat 1. The fixing plate 32 on the hook connecting rod 31 is embedded in the middle of the fixing groove 26. By the telescopic movement of the piston rod of the locking oil cylinder 25, the hook body 2 is driven to slide on the hook slide seat 1. When it is necessary to change the direction of the hook groove 23 on the hook body 2, the hook connecting rod 31 is inserted into the hook body 2 from the other end of the fixing groove 26, and the fixing plate 32 is still embedded in the fixing groove 26 of the hook body 2, only that the hook connecting rod 31 is inserted into the hook body 2 from the other end.

[0046] When the hook body 2 hooks the longitudinal beam 42 on the carriage, the reaction force given by the carriage to the hook body 2 all acts on the locking oil cylinder 25, which will then shorten the service life of the locking oil cylinder 25.

[0047] First installation parts 27 and second installation parts 28 are respectively formed at both ends of the hook body 2 in the length direction. The first installation part 27 is located on the side of the hook body 2背离 the hook groove 23, and the second installation part 28 is located on the side of the hook body 2 close to the hook groove 23.

[0048] A limit stop block 29 is arranged on the hook body 2. When the hook grooves 23 on the two hook bodies 2 face the side close to each other, the limit stop block 29 is installed on the first installation part 27 of the hook body 2. When the hook grooves 23 on the two hook bodies 2 face the opposite side, the limit stop block 29 is installed on the second installation part 28 of the hook body 2.

[0049] The lock hook slide 1 is provided with a support plate 12, which is integrally formed on the lock hook slide 1 and is parallel to one side surface of the width direction of the flip frame 4. When the lock hook slide 1 is installed on the flip frame 4, the two support plates 12 are formed with a first support surface 13 on the side close to each other, and the first support surface 13 is pressed against the side of the two flip frames 4 that are away from each other. In addition, the lock hook slide 1 is provided with a hook plate 14, one end of which is integrally formed with the lock hook slide 1, and the other end is hooked on the side of the two flip frames 4 that are close to each other.

[0050] Furthermore, a second supporting surface 33 is formed on the locking hook connecting rod 31 , and the second supporting surface 33 is arranged parallel to and spaced from a side of the locking hook sliding seat 1 close to the locking cylinder 25 .

[0051] Reference Figure 4-Figure 5 When the beam grooves 43 on the two longitudinal beams 42 face away from each other, the hook grooves 23 on the lock hook body 2 are adjusted to face toward each other. At this time, the two lock hook bodies 2 are pulled toward each other by the locking cylinder 25, and the limit stopper 29 on the first mounting portion 27 is pressed against the lock hook slide 1. At the same time, the first support surface 13 of the support plate 12 on the lock hook slide 1 is pressed against the flip frame 4.

[0052] Reference Figure 6-Figure 7 When the beam grooves 43 on the two longitudinal beams 42 face toward the side close to each other, the hook grooves 23 on the lock hook body 2 are adjusted to face away from each other. At this time, the two lock hook bodies 2 are moved away from each other by the locking cylinder 25, and at this time, the second support surface 33 on the lock hook connecting rod 31 is pressed against the lock hook slide 1.

[0053] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A box-shaped lock hook structure with a changeable direction for a hooklift, comprising a lock hook slide seat (1) and a lock hook body (2), characterized in that: A hook groove (23) is formed on the locking hook body (2), and two groups of the locking hook slide seat (1) and the locking hook body (2) are arranged at intervals. A locking cylinder (25) is arranged between the two groups of the locking hook slide seats (1) and the locking hook body (2), and a connecting component (3) is arranged between the locking cylinder (25) and the two locking hook bodies (2). The connecting component (3) is used to adjust the direction of the hook groove (23) on which the two locking hook bodies (2) are connected to the locking cylinder (25).

2. The box lock hook structure with changeable direction for hooklift according to claim 1, characterized in that: The connecting assembly (3) comprises a locking hook connecting rod (31), one end of which is rotatably connected to the locking oil cylinder (25), and the other end of which extends toward a side close to the locking hook body (2); a fixing groove (26) is provided on the locking hook body (2), and a fixing plate (32) is provided at one end of the locking hook connecting rod (31) close to the locking hook body (2), and the fixing plate (32) is embedded in the fixing groove (26).

3. The box lock hook structure with changeable direction for hooklift according to claim 1, characterized in that: The lock hook sliding seat (1) is provided with a sliding groove (11), and the lock hook body (2) is provided with a sliding block (24), and the sliding block (24) is slidably matched with the sliding groove (11).

4. The box-type lock hook structure with changeable direction for a hooklift according to claim 1, characterized in that: A limit stopper (29) is provided on the lock hook body (2), a first mounting portion (27) and a second mounting portion (28) are formed on the lock hook body (2), and the limit stopper (29) is mounted on the first mounting portion (27) or the second mounting portion (28) on the lock hook body (2).

5. The box-type lock hook structure with changeable direction for a hooklift according to claim 1, characterized in that: A support plate (12) is provided on the locking hook slide seat (1), and a first support surface (13) is formed on the side of the support plate (12) facing toward the locking oil cylinder (25).

6. The box-shaped locking hook structure with changeable direction for a hooklift according to claim 5, characterized in that: A hook plate (14) is provided on one side of the locking hook slide seat (1) close to the locking oil cylinder (25), and the hook plate (14) is spaced apart from the support plate (12).

7. The box-type lock hook structure with changeable direction for a hooklift according to claim 2, characterized in that: A second supporting surface (33) is formed on one side of the locking hook connecting rod (31) close to the locking hook body (2), and the second supporting surface (33) is arranged parallel and spaced from a side surface of the locking hook sliding seat (1) close to the locking cylinder (25).

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