Manual hydraulic cart

Abstract

An adjusting device and a base supporting device are arranged on a forklift, a two-way threaded rod is rotated to achieve relative movement of sliding blocks, meanwhile, a telescopic rod drives a sliding frame to slide synchronously, the sliding frame further drives a connecting shell to move, and after the length of the connecting shell is exceeded, a limiting block abuts against a guide block; after goods are placed, a bidirectional threaded rod is rotated to drive a sliding block to continue to move, a fixing frame begins to clamp the goods, a base supporting device connecting shell slides, then a limiting block abuts against a guide block of the other splicing plate, the adjacent splicing plate is driven to move and retract gradually, and the goods can be conveniently and rapidly placed. The bottom end of the goods is effectively supported, the transportation process is stabilized, the connecting frame of the adjusting device adjusts the overall height through the lifting hydraulic cylinder so as to adapt to the goods of different heights, and when the forklift reaches the designated position, the two pushing hydraulic cylinders cooperate to push the goods to an unloading area, and it is ensured that the goods are smoothly unloaded.

Description

Technical Field

[0001] This utility model relates to the field of trolley equipment technology, specifically a manual hydraulic trolley. Background Technology

[0002] Due to limited workshop space and the large variety and quantity of equipment to be moved, including items like switches and motors with significant differences in shape and size, transportation operations are quite challenging. Currently, forklifts used in the workshop mainly rely on bottom lifting for cargo handling. However, because forklifts lack lateral adjustment capabilities, they cannot be properly adjusted according to the different sizes and weights of the goods during transportation, causing the goods to easily sway during transport. This not only affects transportation efficiency but also increases the risk of damage to the goods. Especially for some more delicate or fragile equipment, swaying can cause it to fall and suffer functional damage or deformation. In order to improve work efficiency and reduce safety hazards, it is urgent to improve the existing forklifts or transportation equipment to achieve stability and adaptability during cargo handling. Utility Model Content

[0003] The purpose of this utility model is to provide a manual hydraulic trolley to solve the problem that forklifts used in workshops mainly rely on bottom lifting for cargo handling. However, due to the lack of lateral adjustment function, forklifts cannot be properly adjusted according to the different sizes and weights of the goods during transportation, which makes the goods prone to shaking during transportation. This not only affects transportation efficiency but also increases the risk of damage to the goods. Especially for some more delicate or fragile equipment, shaking can cause it to fall and damage its function or deform.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A manual hydraulic trolley, comprising a frame, an adjustment device, and a base support device. The frame is a transversely arranged beam. Vertical support rods are connected to the left and right sides of the top of the frame. Slide grooves are formed on the support rods, and connecting frames are connected to the slide grooves. An adjustment device is provided on the connecting frames. Mounting rods are connected to the left and right ends of the frame, respectively. The mounting rods are perpendicular to the frame and have movable wheels connected to their tops. A caster wheel is connected to the side of the frame away from the movable wheels. A guide plate is provided between the two mounting rods and is connected to the frame. The guide plate has guide grooves, and two sliding frames are provided on the guide grooves, each slidably engaged with the guide plate. A base support device is provided between the two sliding frames. Telescopic rods are connected to the tops of the sliding frames, and the top of the telescopic rods has a cavity that connects to the adjustment device.

[0005] The base support device includes a connecting shell, a splicing plate, a guide block, and a limiting block. The base support device is composed of multiple connecting shells spliced ​​together in pairs. The connecting shells are respectively connected to corresponding end faces of the sliding frame, and are arranged alternately. Each connecting shell is a rectangular hollow shell with a splicing plate inside, which slides within the connecting shell. Connecting grooves are provided on the front and rear ends of each connecting shell. A limiting block is provided on one side of the opening end of each connecting groove. Guide blocks are connected to the front and rear ends of each splicing plate, and abut against the opening end of the connecting shell. The end of each guide block away from the splicing plate extends into the connecting groove of another connecting shell and slides within the connecting groove. The extended end abuts against the splicing plate inside the other connecting shell.

[0006] The adjusting device includes a slider, a bidirectional threaded rod, and a fixed frame. The connecting frame has a sliding groove, on which two sliders are mounted and slidably fitted onto the connecting frame. The bottom end of the slider is connected to the top end of the telescopic rod. Bearing seats are connected to the two ends of the sliding groove. The slider has internal threaded holes with opposite directions of rotation. A bidirectional threaded rod is engaged in the internal threaded holes. The bidirectional threaded rod is composed of two threaded rods with opposite directions of rotation connected together. The bidirectional threaded rod passes through the slider, and the left and right threaded ends are located on the bearing seats. One end of the bidirectional threaded rod is connected to an adjusting handwheel.

[0007] Preferably, an extension plate is provided at the end of the connecting frame away from the fixed frame, and a lifting hydraulic cylinder is provided between the extension plate and the vehicle frame. The bottom end of the lifting hydraulic cylinder is connected to the vehicle frame, and the top end of the piston rod is connected to the extension plate.

[0008] Preferably, auxiliary frames are provided on the left and right sides of the lifting hydraulic cylinder, and mounting holes are provided on the auxiliary frames. Pushing hydraulic cylinders are connected to the mounting holes respectively. The bottom end of the pushing hydraulic cylinder is connected to the auxiliary frame, and the top end of its piston rod faces the base support device.

[0009] Preferably, the lifting hydraulic cylinder and the pushing hydraulic cylinder are respectively connected to a manual hydraulic pump through pipelines, the manual hydraulic pump is connected to the vehicle frame, and a two-way valve is provided on the pipeline.

[0010] Preferably, the end of the support rod furthest from the adjustment device is connected to a pusher.

[0011] Preferably, the left and right ends of the slider away from the support rod are respectively connected to a fixing frame, the fixing frame being perpendicular to the slider and parallel to the sliding frame.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] By installing an adjustment device and a base support device on the forklift, the system achieves relative movement of the slider through a rotating bidirectional threaded rod. Connected by a telescopic rod, this causes the sliding frame to slide synchronously. The sliding frame further moves the connecting shell. Once the length of the connecting shell is exceeded, the limit block and guide block abut, thus pulling the splicing plate out. This design effectively increases the support area of ​​the base, providing more stable support for the goods.

[0014] After the goods are placed, the slider continues to move by rotating the bidirectional threaded rod, and the fixing frame begins to clamp the goods. At this time, the base support device connecting shell slides, and then the limiting block abuts against the guide block of another splicing plate, driving the adjacent splicing plate to move and gradually retract, thereby effectively supporting the bottom of the goods and ensuring the stability of the goods during transportation.

[0015] Furthermore, the connecting frame of the adjustment device achieves overall height adjustment via a lifting hydraulic cylinder to accommodate goods of different heights. During transportation, the system can make corresponding adjustments according to the height of the goods, ensuring that the forklift can efficiently and flexibly handle items of various sizes.

[0016] When the forklift reaches the designated location, two push hydraulic cylinders work together to assist in pushing the goods to the designated area or unloading area, ensuring that the goods can be smoothly unloaded from the forklift. The entire operation is smooth and efficient, which can effectively improve the working efficiency and transportation safety of the forklift. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the overall front structure of this utility model.

[0019] Figure 3 This is a schematic diagram showing the installation position of the lifting hydraulic cylinder of this utility model.

[0020] Figure 4 This is a schematic diagram of the interlocking structure of the connecting shell, splicing block, and guide block of this utility model.

[0021] Figure 5 This is a schematic diagram of the interlocking structure of the connecting shell and the limiting block of this utility model.

[0022] In the diagram: 1. Frame; 2. Mounting rod; 3. Guide plate; 4. Sliding frame; 5. Base support device; 501. Connecting shell; 502. Splicing plate; 503. Guide block; 504. Limiting block; 6. Telescopic rod; 7. Connecting frame; 8. Slider; 9. Two-way threaded rod; 10. Fixing frame; 11. Pushing hydraulic cylinder; 12. Lifting hydraulic cylinder. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1: Please refer to Figure 1-3This utility model provides an embodiment of a manual hydraulic trolley, including a frame 1, an adjustment device, and a base support device 5. The frame 1 is a horizontally arranged crossbeam, which is the main frame of the entire structure, supporting and fixing all other components, and providing a stable structural foundation for the entire device. Vertical support rods are connected to the left and right sides of the top of the frame 1, respectively. The support rods connect the left and right sides of the frame 1 and provide vertical support. The support rods have grooves, and the connecting frame 7 is moved by the lifting hydraulic cylinder 12, allowing the connecting frame 7 to slide on them. The height of the connecting frame 7 can be adjusted according to the actual use, and then the overall height of the adjustment device is adjusted, as well as the clamping height of the fixing frame 10. The support rods have grooves, and the connecting frame 7 is connected to the grooves. The connecting frame 7 is equipped with an adjustment device. Mounting rods 2 are connected to the left and right ends of the frame 1, respectively. The mounting rods 2 are perpendicular to the frame 1, and their tops are connected to movable wheels. The mounting rods 2 are used to support the frame. The frame 1 has two mounting rods 2 on its left and right sides, connected to the casters for stability and support, while also providing mobility. A caster wheel is connected to the side of the frame 1 away from the casters, allowing for adjustment of the overall angle of the vehicle for easy transport. A guide plate 3 is located between the two mounting rods 2, connected to the frame 1. The guide plate 3 has guide grooves, on which two sliding frames 4 are mounted. The guide plate 3, connected to the frame 1, provides guide rails for the sliding frames 4, allowing them to slide precisely along the guide plate 3. The guide plate 3 provides stable rails, making the movement of the sliding frames 4 more precise and stable, driving the adjustable base support device 5 to increase or decrease the base support area. These devices slide and engage with the guide plate 3. A base support device 5 is located between the two sliding frames 4. Telescopic rods 6 are connected to the top of each sliding frame 4. The telescopic rods 6 mainly connect the adjusting device and the base support device 5, allowing them to drive synchronously. The top of the telescopic rod 6 has a cavity connected to the adjusting device.

[0028] The adjustment device includes a slider 8, a bidirectional threaded rod 9, and a fixed frame 10. A sliding groove is provided on the connecting frame 7, and two sliders 8 are mounted on the sliding groove. The sliders 8 are driven by the bidirectional threaded rod 9 to move away from or opposite each other, causing the fixed frame 10 to change its clamping range. Simultaneously, the sliding frame 4 is moved, causing the base support device 5 to increase or decrease its area. The sliders 8 are slidably fitted onto the connecting frame 7. The bottom end of the slider 8 is connected to the top end of the telescopic rod 6. Bearing seats are connected to the two ends of the sliding groove, and the bearing seats are used to support the threaded ends of the bidirectional threaded rod 9. To provide support and reduce friction, the slider 8 has two internally threaded holes with opposite directions of rotation. These holes engage with the external threads of the bidirectional threaded rod 9, forming a cooperative mechanism. The bidirectional threaded rod 9, composed of two threaded rods with opposite directions of rotation, penetrates the slider 8. Its left and right threaded ends are located on bearing seats. One end of the bidirectional threaded rod 9 is connected to an adjusting handwheel, which drives the bidirectional threaded rod 9 to rotate, thereby moving the two sliders 8.

[0029] An extension plate is provided at the end of the connecting frame 7 away from the fixed frame 10. A lifting hydraulic cylinder 12 is provided between the extension plate and the vehicle frame 1. The bottom end of the lifting hydraulic cylinder 12 is connected to the vehicle frame 1, and the top end of the piston rod is connected to the extension plate. The connecting frame 7 is driven by the lifting hydraulic cylinder 12 to raise or lower, thereby adjusting the clamping height.

[0030] Auxiliary frames are respectively provided on the left and right ends of the lifting hydraulic cylinder 12. The auxiliary frames are concave in shape, with mounting holes at the concave ends. Pushing hydraulic cylinders 11 are connected to the mounting holes, with their bottom ends connected to the auxiliary frames and their piston rods pointing towards the base support device 5. The pushing hydraulic cylinders 11 are used to extend their piston rods after the goods are transported to the unloading position, assisting in pushing the goods to perform the unloading operation.

[0031] The lifting hydraulic cylinder 12 and the pushing hydraulic cylinder 11 are respectively connected to a manual hydraulic pump via pipelines. The manual hydraulic pump is connected to the vehicle frame 1. A two-way valve is installed on the pipeline to control the lifting hydraulic cylinder 12 and the pushing hydraulic cylinder 11.

[0032] The end of the support rod furthest from the adjustment device is connected to a push-button mechanism, which provides the operator with a control point to move the vehicle.

[0033] The slider 8 has fixed frames 10 connected to its left and right ends on the side furthest from the support rod. The fixed frames 10 are perpendicular to the slider 8 and parallel to the sliding frame 4. The fixed frames 10 mainly clamp the goods on both sides. After the bidirectional threaded rod 9 rotates, the position of the slider 8 is adjusted, which synchronously drives the fixed frames 10 to move, thereby clamping the goods.

[0034] In use, the height of the connecting frame 7 is adjusted by controlling the bidirectional valve to clamp goods of different heights. Then, the bidirectional threaded rod 9 is rotated to move the slider 8, which in turn moves the fixed frame 10. At the same time, as the slider 8 moves, the telescopic rod 6 moves, which in turn moves the sliding frame 4 at the bottom, changing the area of ​​the base. After the goods are placed, the bidirectional threaded rod 9 is rotated to move the slider 8 in opposite directions, which in turn moves the fixed frame 10 to clamp the two sides of the goods. Simultaneously, the base area is reduced to support the base of the goods. Then, the goods are transported. When the goods are moved to the unloading position, the pushing hydraulic cylinder 11 is activated, and the piston rod extends to assist in unloading.

[0035] Example 2: Please refer to Figure 4-5 Based on Example 1, it also has the following structure:

[0036] The base support device 5 includes a connecting shell 501, a splicing plate 502, a guide block 503, and a limiting block 504. The base support device 5 is composed of multiple connecting shells 501 spliced ​​together in pairs. The connecting shell 501 is the main structural part of the base support device; it is connected to the corresponding end face of the sliding frame 4. The support device is formed by the splicing of multiple connecting shells 501 and splicing plates 502 in pairs. The connecting shell 501 has a rectangular hollow structure, providing space to accommodate the splicing plate 502 and the limiting block 504, and maintaining coordinated operation between the components. The rectangular hollow shell design effectively distributes the load and ensures the stability of the device. The connecting shells 501 are respectively connected to the corresponding end faces of the sliding frame 4, and the connection... The shells 501 are arranged in an alternating pattern. The connecting shell 501 is a rectangular hollow shell with a splicing plate 502 inside. The splicing plate 502 is slidably fitted inside the connecting shell 501, providing support and serving as a connector between devices. The sliding nature of the splicing plate 502 ensures that the supporting device can be adjusted within a certain range. The sliding fit of the splicing plate 502 allows the device to be adjusted in position according to actual needs to meet different usage requirements. The splicing plate 502 is slidably fitted into the connecting shell 501. Connecting grooves are opened on the front and rear ends of the connecting shell 501. A limit block 504 is set on one side of the opening end of the connecting groove. The limit block 504 is installed at the opening end of the connecting shell 501 and is responsible for limiting the splicing plate 502. The sliding range of 02 is limited to prevent the splicing plate 502 from sliding out excessively or displacing too far, ensuring the safe operation of the device. Guide blocks 503 are connected to the front and rear ends of the splicing plate 502, respectively. The guide blocks 503 are located at both ends of the splicing plate 502, ensuring that the splicing plate 502 can slide smoothly along the direction of the connecting shell 501. The main function of the guide blocks 503 is to guide the sliding path of the splicing plate 502 and simultaneously connect the splicing plate 502 to the adjacent connecting shell 501. When the slider 8 drives the sliding frame 4 to slide, and the connecting shells 501 move further apart, the connecting shell 501 moves first. When it exceeds the predetermined length of the connecting shell 501, the limiting block 504 at the opening end of the connecting groove of the connecting shell 501 abuts against the guide block 503. Simultaneously, the splicing plate 502 is pulled out to increase the support area. When the two ends of the connecting shell 501 move close together, the connecting shell 501 slides first, and then the limiting block 504 abuts against the guide block 503 of another splicing plate 502, causing the adjacent splicing plate 502 to move, reducing the support area, and abutting against the open end of the connecting shell 501. The guide block 503 is installed on the splicing plate 502 that extends beyond the open end of the connecting shell 501. The end of the guide block 503 away from the splicing plate 502 extends into the connecting groove of another connecting shell 501, so that the splicing plate 502 is connected to the adjacent connecting shell 501 and slides in the connecting groove. The extended end abuts against the splicing plate 502 inside the other connecting shell 501.

[0037] The above description is merely an embodiment of this utility model, and common knowledge regarding specific structures and characteristics is not described in detail here. It will be apparent to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A manually operated hydraulic trolley, characterized in that: The system includes a frame (1), an adjustment device, and a base support device (5). The frame (1) is a horizontally arranged crossbeam. Vertical support rods are connected to the top left and right sides of the frame (1). Slide grooves are provided on the support rods, and connecting frames (7) are connected to the slide grooves. An adjustment device is provided on the connecting frames (7). Mounting rods (2) are connected to the left and right ends of the frame (1). The mounting rods (2) are perpendicular to the frame (1) and have movable wheels connected to their tops. Universal wheels are connected to the side of the frame (1) away from the movable wheels. A guide plate (3) is provided between the two mounting rods (2). The guide plate (3) is connected to the frame (1). A guide groove is provided on the guide plate (3). Two sliding frames (4) are provided on the guide groove and are slidably fitted to the guide plate (3). A base support device (5) is provided between the two sliding frames (4). Telescopic rods (6) are connected to the tops of the sliding frames (4). The top of the telescopic rods (6) is connected to the adjustment device. The base support device (5) includes a connecting shell (501), a splicing plate (502), a guide block (503), and a limiting block (504). The base support device (5) is composed of multiple connecting shells (501) spliced ​​together in pairs. The connecting shells (501) are respectively connected to the corresponding end faces of the sliding frame (4), and the connecting shells (501) are staggered. The connecting shell (501) is a rectangular hollow shell with a splicing plate (502) inside, and the splicing plate (502) slides and fits on the connecting shell (501). The connecting shell (501) has connecting grooves on its front and rear ends respectively. A limit block (504) is provided on one side of the opening end of the connecting groove. The splicing plate (502) has guide blocks (503) connected to its front and rear ends respectively, and they abut against the opening end of the connecting shell (501). The end of the guide block (503) away from the splicing plate (502) extends into the connecting groove of the other connecting shell (501) and slides into the connecting groove. The extended end abuts against the splicing plate (502) inside the other connecting shell (501). The adjustment device includes a slider (8), a bidirectional threaded rod (9), and a fixing frame (10). The connecting frame (7) has a sliding groove, and two sliders (8) are provided on the sliding groove. The sliders (8) are slidably fitted to the connecting frame (7). The bottom end of the slider (8) is connected to the top end of the telescopic rod (6). The two ends of the sliding groove are respectively connected to bearing seats. The slider (8) has an internal thread hole, and the two internal thread holes have opposite directions of rotation. The bidirectional threaded rod (9) is engaged in the internal thread hole. The bidirectional threaded rod (9) is composed of two threaded rods with opposite directions of rotation. The bidirectional threaded rod (9) passes through the slider (8). The left and right threaded ends are respectively located on the bearing seats. One end of the bidirectional threaded rod (9) is connected to an adjustment handwheel.

2. The manual hydraulic trolley according to claim 1, characterized in that: An extension plate is provided at one end of the connecting frame (7) away from the fixed frame (10). A lifting hydraulic cylinder (12) is provided between the extension plate and the frame (1). The bottom end of the lifting hydraulic cylinder (12) is connected to the frame (1), and the top end of the piston rod is connected to the extension plate.

3. The manual hydraulic trolley according to claim 2, characterized in that: The lifting hydraulic cylinder (12) has auxiliary frames on its left and right sides respectively. The auxiliary frames have mounting holes, and push hydraulic cylinders (11) are connected in the mounting holes respectively. The bottom end of the push hydraulic cylinder (11) is connected to the auxiliary frame, and the top end of its piston rod faces the base support device (5).

4. The manual hydraulic trolley according to claim 3, characterized in that: The lifting hydraulic cylinder (12) and the pushing hydraulic cylinder (11) are respectively connected to the manual hydraulic pump through pipelines. The manual hydraulic pump is connected to the frame (1), and a two-way valve is installed on the pipeline.

5. The manual hydraulic trolley according to claim 1, characterized in that: The end of the support rod furthest from the adjustment device is connected to a pusher.

6. The manual hydraulic trolley according to claim 1, characterized in that: The slider (8) is connected to a fixed frame (10) on the left and right sides away from the support rod. The fixed frame (10) is perpendicular to the slider (8) and parallel to the sliding frame (4).

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