Heightened cab structure

Abstract

The utility model relates to the technical field of cab structures, and discloses a heightened cab structure which comprises a bearing frame, a lifting frame is arranged on the upper side of the bearing frame, and a plurality of sets of transverse supporting assemblies and longitudinal supporting assemblies are arranged between the bearing frame and the lifting frame. Each transverse supporting assembly and each longitudinal supporting assembly comprise a plurality of shear type supporting assemblies, and each shear type supporting assembly comprises two supporting circular rails. According to the heightened cab structure, through the lifting assembly, an operator determines the height of a cab according to the height or habit of a driver, after the height of the cab is determined, the lifting push cylinder drives the lifting support to move relative to the lifting support, and the lifting support drives the lifting frame to move relative to the bearing frame; and the lifting frame drives the cab to move to a set position, so that the convenience of adjusting the height of the cab is enhanced, the comfort of a driver in the operation process is improved, and the practicability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of cab structures, in particular to a heightened cab structure. Background Art

[0002] The cab is an important part of the body of a truck and a special-purpose vehicle. It mainly provides a driving operating space for professional drivers. The structure of the cab is directly related to the driver's safety, work efficiency and health. The existing cab generally adopts a metal thin shell structure and is flexibly connected to the frame. It does not bear load and is a non-load-bearing body. However, due to the different heights and driving habits of drivers, the height of the existing cab is difficult to meet the requirements of different drivers, which reduces the comfort of the driver during operation, thereby affecting the practicality of the device.

[0003] Based on this, the utility model designs a heightened cab structure to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a heightened cab structure, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raised cab structure, comprising a load-bearing frame, a lifting frame is arranged on the upper side of the load-bearing frame, a plurality of groups of lateral support assemblies and longitudinal support assemblies are arranged between the load-bearing frame and the lifting frame, each group of the lateral support assemblies and the longitudinal support assemblies comprises a plurality of groups of scissor-type support assemblies, each group of the scissor-type support assemblies comprises two groups of supporting circular rails, both ends of the outer surface of each group of the supporting circular rails are provided with limit supports, the top of each group of the upper limit supports is fixedly connected to the bottom of the lifting frame, the bottom of each group of the lower limit supports is fixedly connected to the top of the load-bearing frame, the outer surface of each group of the supporting circular rails can be slidably provided with an offset seat, two groups of shear plates are arranged between the two groups of relatively supporting circular rails, and each group of shear plates is connected to the relative ones through shear pins. The offset seat is hinged, and the two adjacent groups of shear plates are hinged by a center pin. Lifting components are provided on the left and right sides of the front and back of the load-bearing frame, and each group of the lifting components includes a lifting support. The inner wall of each group of the lifting supports is screwed with a lifting push cylinder, and the lifting end of each group of the lifting push cylinder is screwed with a lifting support. The inner side surface of each group of the lifting supports is fixedly connected to the surface of the lifting frame. Multiple groups of lifting components are provided on the front and back of the lifting frame, and each group of the lifting components includes multiple groups of fixed lifting supports. The inner wall of each group of the fixed lifting supports is provided with a lifting screw, and the outer surface of each group of the lifting screws can be slidably mounted with an offset lifting support, and the outer surface of each group of the lifting screws is screwed with two groups of lifting nuts, and the inner end of each group of the lifting nuts is pressed against the outer surface of the corresponding offset lifting support.

[0006] Preferably, two groups of anti-loosening nuts are screwed onto the outer surface of each group of the lifting screws, and the inner end of each group of the anti-loosening nuts is tightly pressed against the outer end of the relative lifting nut.

[0007] Preferably, the inner wall of each group of the offset seats is installed with a self-lubricating guide sleeve in an interference fit, and the inner wall of each group of the self-lubricating guide sleeve is slidably mounted on the outer surface of the corresponding supporting circular rail.

[0008] Preferably, a folding shield is provided on the top of the supporting frame, and the top of the folding shield is fixedly connected to the bottom of the lifting frame.

[0009] Preferably, the outer surface of each group of shear plates is provided with a reinforcement ring, and the inner wall of each group of reinforcement rings is slidably fitted to the outer surface of the corresponding center pin.

[0010] Preferably, a first reinforcing link is provided between two adjacent groups of offset lifting supports, and each group of lifting supports is fixedly connected to the corresponding offset lifting supports through a first auxiliary link. A second reinforcing link is provided between two adjacent groups of fixed lifting supports, and each group of lifting supports is fixedly connected to the corresponding fixed lifting supports through a second auxiliary link.

[0011] Compared with the prior art, the utility model provides a heightened cab structure, which has the following beneficial effects:

[0012] 1. The heightened cab structure enables the operator to determine the cab height according to the driver's height or habit through the lifting assembly. After the cab height is determined, the lifting support is driven by the lifting push cylinder to move relative to the lifting support, the lifting support drives the lifting frame to move relative to the bearing frame, and the lifting frame drives the cab to move to the set position, which enhances the convenience of adjusting the cab height and improves the comfort of the driver during operation, thereby enhancing the practicality of the device.

[0013] 2. The raised cab structure uses a transverse support assembly and a longitudinal support assembly to enable the lifting frame to drive the upper support circular rail to move through the upper limit support. The two sets of support circular rails drive the offset seat to move along its surface during the relative movement. The offset seat drives the shear plate to expand or fold with the center pin through the shear pin. At this time, the scissor-type support assemblies in the transverse support assembly and the longitudinal support assembly constitute a transverse shear structure and a longitudinal shear structure. After the cab is subjected to transverse or longitudinal impact stress, the stress is transmitted and reduced by the transverse shear structure or the longitudinal shear structure, which effectively improves the impact resistance of the device, thereby enhancing the applicability of the device.

[0014] 3. The raised cab structure uses a lifting assembly to enable the lifting frame to drive the lifting screw to move along the inner wall of the offset lifting support through the fixed lifting support. The lifting frame drives the cab to move to a set height and then rotates the lifting nut. The lifting nut is fixed to the lifting screw by pressing against the top and bottom of the offset lifting support. The vertical stress transmitted from the cab to the device is transmitted and reduced by the lifting assembly, thereby reducing the pressure on the lifting cylinder during the standby process of the device, greatly enhancing the stability of the device, thereby enhancing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a front view of the structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the structural scissor-type support assembly of the utility model.

[0018] In the figure: 1. load-bearing frame; 2. lifting frame; 3. lateral support assembly; 4. longitudinal support assembly; 5. scissor-type support assembly; 6. supporting circular rail; 7. limit support; 8. offset seat; 9. shear plate; 10. shear pin; 11. center pin; 12. lifting support; 13. lifting cylinder; 14. lifting support; 15. lifting assembly; 16. fixed lifting support; 17. lifting screw; 18. offset lifting support; 19. lifting nut; 20. lifting assembly; 21. anti-loosening nut; 22. self-lubricating guide sleeve; 23. folding shield; 24. reinforcement ring; 25. first reinforcement connecting rod; 26. second reinforcement connecting rod; 27. first auxiliary connecting rod; 28. second auxiliary connecting rod. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3The utility model provides a technical solution: a heightened cab structure, comprising a load-bearing frame 1, a lifting frame 2 is arranged on the upper side of the load-bearing frame 1, and multiple groups of transverse support assemblies 3 and longitudinal support assemblies 4 are arranged between the load-bearing frame 1 and the lifting frame 2. Through the transverse support assemblies 3 and the longitudinal support assemblies 4, the lifting frame 2 drives the upper support circular rail 6 to move through the upper limit bearing 7, and the two groups of support circular rails 6 drive the offset seat 8 to move along its surface during the relative movement. The offset seat 8 drives the shear plate 9 to expand or fold with the center pin 11 through the shear pin 10. At this time, the scissor support assemblies 5 in the transverse support assembly 3 and the longitudinal support assembly 4 constitute a transverse shear structure and a longitudinal shear structure. After the cab is subjected to transverse or longitudinal impact stress, the transverse shear structure The transmission of the structure or longitudinal shear force structure is reduced, which effectively improves the impact resistance of the device, thereby enhancing the applicability of the device. Each group of lateral support components 3 and longitudinal support components 4 includes multiple groups of scissor-type support components 5, and each group of scissor-type support components 5 includes two groups of support circular rails 6. Both ends of the outer surface of each group of support circular rails 6 are provided with limit supports 7, the top of each group of upper limit supports 7 is fixedly connected to the bottom of the lifting frame 2, and the bottom of each group of lower limit supports 7 is fixedly connected to the top of the load-bearing frame 1. The outer surface of each group of support circular rails 6 can be slidably covered with an offset seat 8, and two groups of shear plates 9 are arranged between the two relative support circular rails 6. Each group of shear plates 9 is hinged to the relative offset seat 8 through a shear pin 10, and the two adjacent groups of shear plates 9 are connected by a center pin 11 The support frame 1 is hinged, and lifting components 20 are provided on the left and right sides of the front and back of the support frame 1. Through the lifting components 20, the operator can determine the height of the cab according to the height or habit of the driver. After the height of the cab is determined, the lifting support 14 is driven by the lifting cylinder 13 to move relative to the lifting support 12, and the lifting support 14 drives the lifting frame 2 to move relative to the support frame 1, and the lifting frame 2 drives the cab to move to the set position, which enhances the convenience of adjusting the height of the cab and improves the comfort of the driver during the operation, thereby enhancing the practicality of the device. Each group of lifting components 20 includes a lifting support 12, and the inner wall of each group of lifting supports 12 is screwed with a lifting cylinder 13, and the lifting end of each group of lifting cylinders 13 is screwed with a lifting support 14. The inner side surfaces of the supports 14 are fixedly connected to the surface of the lifting frame 2. The front and back of the lifting frame 2 are provided with multiple groups of lifting components 15. Through the lifting components 15, the lifting frame 2 drives the lifting screw 17 to move along the inner wall of the offset lifting support 18 through the fixed lifting support 16. The lifting frame 2 drives the cab to move to the set height and then rotates the lifting nut 19. The lifting nut 19 is fixed to the lifting screw 17 by pressing against the top and bottom of the offset lifting support 18. The vertical stress transmitted from the cab to the device is transmitted and reduced by the lifting components 15, which reduces the pressure on the lifting cylinder 13 during the standby process of the device, greatly enhances the stability of the device, and thus enhances the practicality of the device. Each group of lifting components 15 includes multiple groups of fixed lifting supports 16.The inner wall of each fixed lifting support 16 is provided with a lifting screw 17, and the outer surface of each lifting screw 17 is slidably mounted with an offset lifting support 18. The outer surface of each lifting screw 17 is threaded with two lifting nuts 19, and the inner end of each lifting nut 19 is tightly pressed against the outer surface of the corresponding offset lifting support 18.

[0021] In the utility model, in order to improve the stability of the device during operation, two groups of anti-loosening nuts 21 for transmitting pre-tightening force to the lifting nut 19 are screwed on the outer surface of each group of lifting screws 17, thereby reducing the probability of uncontrollable loosening of the lifting nut 19. The inner end of each group of anti-loosening nuts 21 is tightly pressed against the outer end of the relative lifting nut 19, thereby improving the stability of the device during operation.

[0022] In the utility model, in order to extend the effective service life of the supporting circular rail 6, a self-lubricating guide sleeve 22 for reducing the friction between it and the supporting circular rail 6 is installed on the inner wall of each group of offset seats 8 with interference fit, and the inner wall of each group of self-lubricating guide sleeves 22 is slidably mounted on the outer surface of the corresponding supporting circular rail 6, thereby extending the effective service life of the supporting circular rail 6.

[0023] In the utility model, in order to improve the safety during the lifting process of the device, a folding shield 23 is provided on the top of the supporting frame 1 for separating the outside from the scissor-type support assembly 5 during the lifting process of the device. The top of the folding shield 23 is fixedly connected to the bottom of the lifting frame 2, thereby improving the safety during the lifting process of the device.

[0024] In the utility model, in order to reduce the probability of deformation failure of the shear plate 9, a reinforcement ring 24 for strengthening the contact surface strength with the center pin 11 is provided on the outer surface of each group of shear plates 9, and the inner wall of each group of reinforcement rings 24 is slidably mounted on the outer surface of the corresponding center pin 11, thereby reducing the probability of deformation failure of the shear plate 9.

[0025] In the utility model, in order to improve the structural strength of the device, a first reinforcing link 25 for increasing the upper force limit is provided between two adjacent groups of offset lifting supports 18, each group of lifting supports 12 is fixedly connected to the corresponding offset lifting supports 18 by a first auxiliary link 27 for increasing the upper force limit, a second reinforcing link 26 for increasing the upper force limit is provided between two adjacent groups of fixed lifting supports 16, and each group of lifting supports 14 is fixedly connected to the corresponding fixed lifting supports 16 by a second auxiliary link 28 for increasing the upper force limit, thereby improving the structural strength of the device.

[0026] When in use, first fix the device to the set position. During this process, the cab is located on the top of the lifting frame 2. After the installation of the device is completed, it will be in standby operation. When the cab needs to be raised, first determine the height of the cab according to the height or habit of the driver. After the height of the cab is determined, the lifting support 14 is driven by the lifting cylinder 13 to move relative to the lifting support 12. The lifting support 14 drives the lifting frame 2 to move relative to the load-bearing frame 1. The lifting frame 2 drives the cab to move to the set position. During this process, the lifting frame 2 drives the upper side support circular rail 6 to move through the upper side limit support 7. The two sets of support circular rails 6 drive the offset seat 8 to move along its surface during the relative movement. The offset seat 8 moves along the upper side limit support 7. The shear pin 10 drives the shear plate 9 to expand or fold with the center pin 11. At this time, the scissor support assembly 5 in the transverse support assembly 3 and the longitudinal support assembly 4 constitutes a transverse shear structure and a longitudinal shear structure. After the cab is subjected to transverse or longitudinal impact stress, the stress is transmitted and reduced by the transverse shear structure or the longitudinal shear structure. At the same time, the lifting frame 2 drives the lifting screw 17 to move along the inner wall of the offset lifting support 18 through the fixed lifting support 16. After the lifting frame 2 drives the cab to move to the set height, the lifting nut 19 is rotated. The lifting nut 19 is fixed to the lifting screw 17 by pressing against the top and bottom of the offset lifting support 18. The vertical stress transmitted from the cab to the device is transmitted and reduced by the lifting assembly 15.

[0027] To sum up, the raised cab structure, through the lifting assembly 20, allows the operator to determine the cab height according to the driver's height or habits. After the cab height is determined, the lifting push cylinder 13 drives the lifting support 14 to move relative to the lifting support 12, and the lifting support 14 drives the lifting frame 2 to move relative to the load-bearing frame 1. The lifting frame 2 drives the cab to move to the set position, thereby enhancing the convenience of adjusting the cab height and improving the comfort of the driver during operation, thereby enhancing the practicality of the device.

[0028] The raised cab structure uses a transverse support assembly 3 and a longitudinal support assembly 4 so that the lifting frame 2 drives the upper support circular rail 6 to move through the upper limit support 7. The two sets of support circular rails 6 drive the offset seat 8 to move along its surface during the relative movement. The offset seat 8 drives the shear plate 9 to expand or fold with the center pin 11 through the shear pin 10. At this time, the scissor-type support assembly 5 in the transverse support assembly 3 and the longitudinal support assembly 4 constitute a transverse shear structure and a longitudinal shear structure. After the cab is subjected to transverse or longitudinal impact stress, the transverse shear structure or the longitudinal shear structure transmits and reduces the stress, which effectively improves the impact resistance of the device and enhances the applicability of the device.

[0029] The raised cab structure uses a lifting assembly 15 to enable the lifting frame 2 to move the lifting screw 17 along the inner wall of the offset lifting support 18 through the fixed lifting support 16. The lifting frame 2 drives the cab to move to a set height and then rotates the lifting nut 19. The lifting nut 19 is fixed to the lifting screw 17 by pressing against the top and bottom of the offset lifting support 18. The vertical stress transmitted from the cab to the device is transmitted and reduced by the lifting assembly 15, thereby reducing the pressure on the lifting cylinder 13 during the standby process of the device, greatly enhancing the stability of the device, thereby enhancing the practicality of the device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heightened cab structure, comprising a load-bearing frame (1), characterized in that: A lifting frame (2) is arranged on the upper side of the load-bearing frame (1), and a plurality of groups of lateral support assemblies (3) and longitudinal support assemblies (4) are arranged between the load-bearing frame (1) and the lifting frame (2), each group of the lateral support assemblies (3) and longitudinal support assemblies (4) comprises a plurality of groups of scissor-type support assemblies (5), each group of the scissor-type support assemblies (5) comprises two groups of support circular rails (6), and both ends of the outer surface of each group of the support circular rails (6) are provided with limit supports (7), and each group of the upper limit supports (7) is provided with a plurality of groups of scissor-type support assemblies (5) and ... The top of the seat (7) is fixedly connected to the bottom of the lifting frame (2), the bottom of each group of lower limit supports (7) is fixedly connected to the top of the load-bearing frame (1), the outer surface of each group of support circular rails (6) is slidably mounted with an offset seat (8), two groups of shear plates (9) are arranged between two groups of relatively support circular rails (6), each group of shear plates (9) is hinged to the relative offset seat (8) through a shear pin (10), and the two adjacent groups of shear plates (9) are connected by a center pin (11). The support frame (1) is hinged, and the left and right sides of the front and back sides of the support frame (1) are provided with lifting components (20), and each group of the lifting components (20) includes a lifting support (12), and the inner wall of each group of the lifting support (12) is screwed with a lifting cylinder (13), and the lifting end of each group of the lifting cylinder (13) is screwed with a lifting support (14), and the inner side surface of each group of the lifting support (14) is fixedly connected to the surface of the lifting frame (2), and the front and back sides of the lifting frame (2) are provided with a plurality of groups of support components (20). A lifting assembly (15), each group of the lifting assemblies (15) comprises a plurality of groups of fixed lifting supports (16), the inner wall of each group of the fixed lifting supports (16) is provided with a lifting screw (17), the outer surface of each group of the lifting screws (17) is slidably mounted with an offset lifting support (18), the outer surface of each group of the lifting screws (17) is threaded with two groups of lifting nuts (19), and the inner end of each group of the lifting nuts (19) is tightly pressed against the outer surface of the corresponding offset lifting support (18).

2. The elevated cab structure according to claim 1, characterized in that: Two sets of anti-loosening nuts (21) are screwed onto the outer surface of each set of the lifting screw rods (17), and the inner end of each set of the anti-loosening nuts (21) is tightly pressed against the outer end of the corresponding lifting nut (19).

3. The elevated cab structure according to claim 1, characterized in that: The inner wall of each group of the offset seats (8) is fitted with a self-lubricating guide sleeve (22) in an interference fit, and the inner wall of each group of the self-lubricating guide sleeve (22) is slidably mounted on the outer surface of the corresponding supporting circular rail (6).

4. The elevated cab structure according to claim 1, characterized in that: A folding shield (23) is provided on the top of the supporting frame (1), and the top of the folding shield (23) is fixedly connected to the bottom of the lifting frame (2).

5. The elevated cab structure according to claim 1, characterized in that: The outer surface of each group of shear plates (9) is provided with a reinforcement ring (24), and the inner wall of each group of reinforcement rings (24) is slidably mounted on the outer surface of the corresponding center pin (11).

6. The elevated cab structure according to claim 1, characterized in that: A first reinforcing link (25) is provided between two adjacent groups of the offset lifting supports (18), and each group of the lifting supports (12) is fixedly connected to the corresponding offset lifting supports (18) via a first auxiliary link (27). A second reinforcing link (26) is provided between two adjacent groups of the fixed lifting supports (16), and each group of the lifting supports (14) is fixedly connected to the corresponding fixed lifting supports (16) via a second auxiliary link (28).

Images