Cross-country forklift portal frame buffering device

Abstract

The utility model relates to the technical field of cross-country forklift portal frame buffering, in particular to a cross-country forklift portal frame buffering device which is provided with a through-flow mechanism and a non-return mechanism, so that impurities in hydraulic oil can be automatically filtered in the cross-country forklift portal frame buffering process, and the service life of equipment is prolonged. Comprising a buffer mechanism; the device further comprises a through-flow mechanism, a filtering mechanism, eight non-return mechanisms and a sealing mechanism, the through-flow mechanism is installed on the buffering mechanism, the filtering mechanism is installed in the buffering mechanism, the eight non-return mechanisms are installed in the buffering mechanism, and the sealing mechanism is installed on the buffering mechanism. The buffering mechanism is used for buffering, the through-flow mechanism is used for through-flow, the filtering mechanism is used for filtering, the non-return mechanism is used for non-return, and the sealing mechanism is used for sealing.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of off -road fork truck portal buffer, in particular to a kind of off -road fork truck portal buffer device. BACKGROUND

[0002] Impurities in hydraulic oil can include debris, solid particles, solid impurities formed by deterioration of hydraulic oil and the like, which can be derived from residues in the process of component processing and assembly, wear particles generated in the working process of hydraulic components, and invasion of external impurities.

[0003] In the existing off -road fork truck portal buffer device, for example, the utility model patent of a kind of forklift portal buffer device in application No.201821814888.2 is disclosed, the utility model has simple structure, is easy to install and maintain, simplifies the processing of oil cylinder, can reduce hydraulic oil temperature, reduce the reaction time of portal, improve work efficiency.

[0004] But in the off -road fork truck portal buffering process, particle impurities can pull and wear piston and cylinder, piston rod and cylinder cover hole and sealing element, reduce volumetric efficiency and effective thrust, can cause slide valve to be deadlocked or throttle valve to be blocked, cause valve action to fail or performance to deteriorate, pollutants can breed bacteria, aggravate the aging of hydraulic oil, shorten its service life. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of off -road fork truck portal buffer device by setting through-flow mechanism and check mechanism, so that in the off -road fork truck portal buffering process, impurities in hydraulic oil can be automatically filtered, improve the service life of equipment.

[0006] The utility model discloses a kind of off -road fork truck portal buffer device, including buffer mechanism;It further includes through-flow mechanism, filter mechanism, eight groups of check mechanism and sealing mechanism, through-flow mechanism is installed on buffer mechanism, filter mechanism is installed in buffer mechanism, eight groups of check mechanism are installed in buffer mechanism, sealing mechanism is installed on buffer mechanism;

[0007] The buffer mechanism buffers, the through-flow mechanism flows, the filter mechanism filters, the check mechanism checks, and the sealing mechanism seals;By buffering through buffer mechanism, make hydraulic oil backflow by the resilience of buffer mechanism and open through-flow mechanism to flow, make hydraulic oil flow down by through-flow mechanism closing while hydraulic oil pressing check mechanism and opening by buffer mechanism pressing, filter hydraulic oil by filter mechanism, seal by sealing mechanism, facilitate the maintenance of equipment by opening sealing mechanism, so that in the off -road fork truck portal buffering process, impurities in hydraulic oil can be automatically filtered, improve the service life of equipment.

[0008] Preferably, the buffer mechanism comprises an oil pipe, a piston and a spring, the piston is slidingly installed in the oil pipe by the spring; the piston is buffered by the support of the spring.

[0009] Preferably, the through-flow mechanism comprises a conical frame and eight sets of baffle plates I, the conical frame is installed in the oil pipe, and the eight sets of baffle plates I are rotationally installed on the conical frame; the baffle plates I are closed and guided by being pressed by the water flow to cover the conical frame when the water flows downward, and the baffle plates I are separated from the conical frame to flow through by being pressed by the water flow when the water flows upward.

[0010] Preferably, the filter mechanism comprises a net frame and eight sets of filter screens, the net frame is installed in the oil pipe, and the eight sets of filter screens are installed on the net frame; the returned hydraulic oil is filtered by the filter screens.

[0011] Preferably, the check mechanism comprises baffle plates II and leaf springs, the baffle plates II are rotationally installed in the oil pipe by the leaf springs; the baffle plates II are closed by the support of the leaf springs.

[0012] Preferably, the sealing mechanism comprises four sets of sealing rings, four sets of screws I and two sets of screws II, the four sets of sealing rings are sealed on the oil pipe by being threadedly matched with the four sets of screws I and the two sets of screws II; the oil pipe is sealed by the sealing rings matched with the screws I and the screws II.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the buffer mechanism is used for buffering, the through-flow mechanism is opened by the returned hydraulic oil to flow through by the resilience of the buffer mechanism, the through-flow mechanism is closed and the check mechanism is opened by the hydraulic oil to flow downward by the buffer mechanism, the hydraulic oil is filtered by the filter mechanism, the oil pipe is sealed by the sealing mechanism, the equipment is maintained by opening the sealing mechanism, so that the impurities in the hydraulic oil can be automatically filtered in the buffer process of the off-road forklift portal, and the service life of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the first axonometric structural schematic view of the utility model;

[0015] Figure 2 is the second axonometric structural schematic view of the utility model;

[0016] Figure 3 is the front view sectional axonometric structural schematic view of the utility model;

[0017] Figure 4 is the right view sectional axonometric structural schematic view of the utility model;

[0018] Figure 5 is the lower view sectional axonometric structural schematic view of the utility model;

[0019] The following are labels in the attached diagram: 1. Buffer mechanism; 11. Oil pipe; 12. Piston; 13. Spring; 2. Flow mechanism; 21. Conical frame; 22. Baffle one; 3. Filtering mechanism; 31. Mesh frame; 32. Filter screen; 4. Check mechanism; 41. Baffle two; 42. Leaf spring; 5. Sealing mechanism; 51. Sealing ring; 52. Screw one; 53. Screw two. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0021] like Figures 1 to 5 As shown, an off-road forklift mast buffer device includes a buffer mechanism 1, a flow passage mechanism 2, a filter mechanism 3, eight sets of check mechanisms 4, and a sealing mechanism 5. The flow passage mechanism 2 is installed on the buffer mechanism 1, the filter mechanism 3 is installed inside the buffer mechanism 1, the eight sets of check mechanisms 4 are installed inside the buffer mechanism 1, and the sealing mechanism 5 is installed on the buffer mechanism 1.

[0022] The buffer mechanism 1 performs buffering, the flow mechanism 2 performs flow, the filter mechanism 3 performs filtration, the check mechanism 4 performs check flow, and the sealing mechanism 5 performs sealing.

[0023] The buffer mechanism 1 includes an oil pipe 11, a piston 12 and a spring 13, with the piston 12 slidably mounted inside the oil pipe 11 via the spring 13;

[0024] The flow mechanism 2 includes a conical frame 21 and eight sets of baffles 22. The conical frame 21 is installed inside the oil pipe 11, and the eight sets of baffles 22 are rotatably installed on the conical frame 21.

[0025] The filtration mechanism 3 includes a mesh frame 31 and eight sets of filter screens 32. The mesh frame 31 is installed inside the oil pipe 11, and the eight sets of filter screens 32 are installed on the mesh frame 31.

[0026] Check mechanism 4 includes baffle 2 41 and leaf spring 42. Baffle 2 41 is rotatably installed in oil pipe 11 via leaf spring 42.

[0027] The sealing mechanism 5 includes four sets of sealing rings 51, four sets of screws 52, and two sets of screws 53. The four sets of sealing rings 51 seal the oil pipe 11 by engaging with the threads of the four sets of screws 52 and the two sets of screws 53.

[0028] The piston 12 is buffered by the spring 13 supporting the piston 12, the hydraulic oil is circulated by the piston 12 rebounding to support the baffle one 22, the hydraulic oil flows downward by the piston 12 pressing the baffle one 22 to close and the baffle two 41 to support open, the hydraulic oil is filtered by the filter screen 32, the sealing is realized by the sealing ring 51, the equipment is maintained by opening the sealing ring 51, so that the impurities in the hydraulic oil can be automatically filtered in the off-road forklift mast buffering process, and the service life of the equipment is improved.

[0029] As shown in Figures 1 to 5 The utility model discloses a kind of off-road forklift mast buffering devices, when working, the piston 12 is buffered by the spring 13 supporting the piston 12, the hydraulic oil is circulated by the piston 12 rebounding to support the baffle one 22, the hydraulic oil flows downward by the piston 12 pressing the baffle one 22 to close and the baffle two 41 to support open, the hydraulic oil is filtered by the filter screen 32, the sealing is realized by the sealing ring 51, the equipment is maintained by opening the sealing ring 51.

[0030] The utility model realizes the main function as follows: in the off-road forklift mast buffering work process, by being provided with through-flow mechanism and check mechanism, so that the impurities in the hydraulic oil can be automatically filtered in the off-road forklift mast buffering process, and the service life of the equipment is improved.

[0031] The above-mentioned is only preferred implementation mode of the utility model, it should be pointed out, for ordinary technical personnel in this technical field, on the premise of not departing from the technical principle of the utility model, can also make several improvements and variations, these improvements and variations also should be regarded as the protection scope of the utility model.

Claims

1. An off-road forklift carriage buffer device, comprising a buffer mechanism (1); characterized in that, It also includes through-flow mechanism (2), filtering mechanism (3), eight groups of check mechanism (4) and sealing mechanism (5), through-flow mechanism (2) is installed on buffer mechanism (1), filtering mechanism (3) is installed in buffer mechanism (1), eight groups of check mechanism (4) are installed in buffer mechanism (1), sealing mechanism (5) is installed on buffer mechanism (1); The buffer mechanism (1) buffers, the through-flow mechanism (2) flows, the filtering mechanism (3) filters, the check mechanism (4) checks, and the sealing mechanism (5) seals.

2. An off-road forklift carriage cushioning device as claimed in claim 1, characterized in that, The buffer mechanism (1) includes an oil pipe (11), a piston (12) and a spring (13), the piston (12) is slidably installed in the oil pipe (11) by the spring (13).

3. An off-road forklift carriage cushioning device as claimed in claim 2, wherein, The through-flow mechanism (2) includes a conical frame (21) and eight groups of baffle one (22), the conical frame (21) is installed in the oil pipe (11), and the eight groups of baffle one (22) are rotatably installed on the conical frame (21).

4. An off-road forklift carriage cushioning device as claimed in claim 2, wherein, The filtering mechanism (3) includes a net frame (31) and eight groups of filter screens (32), the net frame (31) is installed in the oil pipe (11), and the eight groups of filter screens (32) are installed on the net frame (31).

5. An off-road forklift carriage cushioning device as claimed in claim 2, wherein, The check mechanism (4) includes a baffle two (41) and a leaf spring (42), the baffle two (41) is rotatably installed in the oil pipe (11) by the leaf spring (42).

6. An off-road forklift carriage cushioning device as claimed in claim 2, wherein, The sealing mechanism (5) includes four groups of sealing rings (51), four groups of screws one (52) and two groups of screws two (53), the four groups of sealing rings (51) are sealed on the oil pipe (11) by thread cooperation with the four groups of screws one (52) and the two groups of screws two (53).

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