Pedal mechanism and operation machine

Abstract

The utility model relates to the technical field of operation machinery, and discloses a pedal mechanism and operation machinery. The pedal assembly comprises a pedal body and mounting plates connected to the two sides of the pedal body in the width direction, and each mounting plate is provided with a positioning plate. The limiting assembly is installed on the side end face of the track frame and comprises two limiting pieces arranged in the length direction of the track frame in a spaced mode, and the two limiting pieces and the two positioning plates are arranged in a one-to-one correspondence mode. The adjusting assembly is mounted on the pedal body, located between the positioning plate and the mounting plate and used for adjusting the distance between the positioning plate and the mounting plate, so that the positioning plate and the limiting piece are clamped in a limiting mode or separated from each other. When the pedal assembly needs to be installed on the limiting assembly, the positioning plate and the limiting piece can be driven to conduct limiting and locking. When the pedal assembly is damaged, the positioning plate and the limiting piece can be separated from each other, the pedal assembly can be conveniently disassembled, and the technical problem that in the prior art, after a pedal mechanism is damaged, replacement is difficult is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of operation machinery, and particularly relates to a footrest mechanism and operation machinery. BACKGROUND

[0002] The function of the footrest mechanism is to provide personnel to get on and off the cab of the excavator, and the footrest mechanism is usually used as an auxiliary ladder of the upper platform of the excavator. The footrest mechanism usually adopts a fixed ladder structure, but the fixed bolts are exposed to the outdoor environment and are prone to rust. Meanwhile, the footrest is prone to be affected by external forces during operation, such as bumping, which can easily cause the footrest bolts to be blocked and difficult to remove when damaged, and the footrest mechanism is often difficult to replace. SUMMARY

[0003] The utility model aims to provide a footrest mechanism and operation machinery, and solves the technical problem of difficulty in replacing the footrest mechanism in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a footrest mechanism of operation machinery, and the operation machinery comprises a track frame, and the footrest mechanism comprises:

[0005] A footrest assembly comprises a pedal body and mounting plates connected to both sides of the pedal body in the width direction, and each mounting plate is provided with a positioning plate;

[0006] A limiting assembly is installed on the side end face of the track frame, and the limiting assembly comprises two limiting pieces arranged at intervals along the length direction of the track frame, and the two limiting pieces correspond to the two positioning plates one by one;

[0007] An adjusting assembly is arranged between the positioning plate and the mounting plate, and the adjusting assembly is used for adjusting the distance between the positioning plate and the mounting plate, so that the positioning plate is connected or separated from the limiting piece.

[0008] In the embodiment of the utility model, the limiting piece is provided with a limiting hole matched with the positioning plate.

[0009] In the embodiment of the utility model, the adjusting assembly comprises an adjusting screw arranged on the positioning plate, the free end of the adjusting screw penetrates through the positioning plate and is threadedly connected in the mounting plate, and the adjusting screw is used for adjusting the distance between the positioning plate and the mounting plate, so that the positioning plate moves towards or away from the limiting hole.

[0010] In the embodiment of the utility model, the adjusting assembly further comprises an elastic piece, the mounting plate is further provided with a first mounting groove, the positioning plate is provided with a second mounting groove corresponding to the first mounting groove, and the elastic piece is elastically connected between the groove bottoms of the first mounting groove and the second mounting groove. When the positioning plate is located in the limiting hole, the elastic piece is used for applying a pressing force to the positioning plate, so that the positioning plate and the hole wall of the limiting hole are tightly attached.

[0011] In the embodiment of the utility model, the first installation groove, the second installation groove and the elastic piece are all multiple in number and are arranged one by one.

[0012] In the embodiment of the utility model, the positioning plate comprises a body part and clamping parts integrally connected to both sides of the body part in the length direction, when the body part is inserted into the limiting hole, the clamping part abuts against the inner wall of the limiting hole, and the thickness of the clamping part towards the side away from the body part is tapered.

[0013] In the embodiment of the utility model, the pedal body and the mounting plate are connected in an arc shape.

[0014] In the embodiment of the utility model, the bottom of the limiting piece is further provided with a water leakage hole.

[0015] In the embodiment of the utility model, the pedal body is further provided with a footrest opening, which is located in the middle of the pedal body, and a corrugated surface for the driver to step on is formed on the bottom wall of the footrest opening, and a footrest groove is further formed on the top end of the pedal body, and a corrugated surface is formed on the bottom wall of the footrest groove.

[0016] In the embodiment of the utility model, a working machine is further provided, which comprises the footrest mechanism as described above.

[0017] Through the above technical scheme, the footrest mechanism and the working machine provided by the embodiment of the utility model have the following beneficial effects:

[0018] The working machine comprises a track frame, the footrest mechanism in the application comprises a footrest assembly, a limiting assembly and an adjusting assembly, the footrest assembly comprises a pedal body and mounting plates connected to both sides of the pedal body in the width direction, and each mounting plate is provided with a positioning plate. The limiting assembly is installed on the side end face of the track frame, and the limiting assembly comprises two limiting pieces arranged at intervals along the length direction of the track frame, and the two limiting pieces and the two positioning plates are arranged one by one. The adjusting assembly is installed on the pedal body and located between the positioning plate and the mounting plate, and the adjusting assembly is used for adjusting the distance between the positioning plate and the mounting plate, so that the positioning plate and the limiting piece are limitedly connected or separated from each other. In the embodiment, a footrest mechanism is provided, when it is needed to limit and connect the footrest assembly on the limiting assembly, the positioning plate can be driven to move away from the mounting plate, so that the footrest assembly and the limiting assembly can be conveniently limited and locked. When the footrest assembly is damaged, the positioning plate can be driven to move towards the mounting plate, so that the positioning plate and the limiting piece can be separated from each other, so that the footrest assembly can be conveniently disassembled, and then a new footrest assembly can be replaced, thereby solving the technical problem that the footrest mechanism is difficult to replace after being damaged in the prior art.

[0019] Other features and advantages of the utility model embodiment will be described in detail in the following specific embodiment part. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the embodiments of the present invention and form part of the specification. They are used together with the following detailed description to explain the embodiments of the present invention, but do not constitute a limitation thereof. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without any inventive effort. In the drawings:

[0021] Figure 1 This is a schematic diagram of the foot pedal mechanism installed on the track frame according to this utility model;

[0022] Figure 2 This is a top view of the foot pedal assembly and the limiting assembly in accordance with this utility model;

[0023] Figure 3 This is a partially enlarged view of the foot pedal assembly mounted on the track frame according to this utility model;

[0024] Figure 4 This is a schematic diagram of the foot pedal assembly according to the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of the limiting component installed on the track frame according to the present invention;

[0026] Figure 6 This is a structural diagram of the foot pedal assembly, positioning plate, and adjustment assembly according to the present invention.

[0027] Explanation of reference numerals in the attached figures

[0028] 1. Foot pedal assembly 132. Main body.

[0029] 11 Pedal body 133 Snap-fit ​​part

[0030] 111 Foot pedal opening 21 Limiting component

[0031] 112 Foot pedal groove 211 Limiting hole

[0032] 12 Mounting plate 212 Drain hole

[0033] 121 First mounting slot 31 Adjusting screw

[0034] 13 Positioning plate 32 Elastic element

[0035] 131 Second mounting slot 100 Track frame Detailed Implementation

[0036] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0037] The foot pedal mechanism and working machinery according to this utility model are described below with reference to the accompanying drawings.

[0038] like Figure 1 As shown, the cab of the working machine has been omitted. In this embodiment, the working machine includes a track frame 100, and the foot pedal mechanism includes a foot pedal assembly 1, a limiting assembly, and an adjusting assembly. The foot pedal assembly 1 includes a pedal body 11 and mounting plates 12 connected to both sides of the pedal body 11 in the width direction. Each mounting plate 12 is provided with a positioning plate 13. The limiting assembly is installed on the side end face of the track frame 100 and includes two limiting members 21 spaced apart along the length direction of the track frame 100. The two limiting members 21 and the two positioning plates 13 are arranged in a one-to-one correspondence. The adjusting assembly is installed on the pedal body 11 and located between the positioning plate 13 and the mounting plate 12. The adjusting assembly is used to adjust the distance between the positioning plate 13 and the mounting plate 12 so that the positioning plate 13 and the limiting member 21 are engaged or separated from each other.

[0039] This embodiment proposes a foot pedal mechanism. An adjustment component is provided between the positioning plate 13 and the mounting plate 12. When the foot pedal assembly 1 needs to be locked onto the limiting component, the positioning plate 13 can be driven to move away from the mounting plate 12, conveniently locking the foot pedal assembly 1 to the limiting component. When the foot pedal assembly 1 is damaged, the positioning plate 13 can be driven to move towards the mounting plate 12, allowing the positioning plate 13 and the limiting component 21 to separate, facilitating easy removal of the foot pedal assembly 1 for replacement. This solves the technical problem of difficulty in replacing damaged foot pedal mechanisms in the prior art.

[0040] like Figure 3 , Figure 4 and Figure 5 As shown, in this embodiment, the limiting member 21 is provided with a limiting hole 211 that matches the positioning plate 13. The limiting hole 211 extends along the height direction of the track frame 100, and the limiting hole 211 is used for the positioning plate 13 to be limited and engaged. The length direction of the track frame 100 is... Figure 1 The left and right directions, and the height direction of the track frame 100 are respectively. Figure 1 The upper and lower directions are shown. The limiting member 21 has a storage groove for the mounting plate 12 to be inserted, so as to limit the foot pedal assembly 1. The openings of the storage grooves on the two limiting members 21 are arranged opposite each other to facilitate the insertion of the mounting plate 12. The limiting hole 211 is opened at the bottom of the storage groove and communicates with the storage groove.

[0041] likeFigure 6 As shown in the embodiment, the adjusting assembly comprises adjusting screws 31 arranged on the positioning plates 13, free ends of the adjusting screws 31 penetrate through the positioning plates 13 and are screwed into the mounting plates 12, the adjusting screws 31 are used to adjust the distance between the positioning plates 13 and the mounting plates 12, so that the positioning plates 13 move towards or away from the limiting holes 211.

[0042] Specifically, the positioning plates 13 can move towards the limiting holes 211 so that the positioning plates 13 and the limiting holes 211 are clamped, thereby achieving the limiting locking of the positioning plates 13 and the limiting members 21, so as to reduce the risk of the pedal assembly 1 falling off the limiting members 21 and alleviate the shaking of the pedal assembly 1. Similarly, the positioning plates 13 can also move away from the limiting holes 211 to contact the limiting locking between the positioning plates 13 and the limiting members 21, so as to facilitate the disassembly of the damaged pedal assembly 1 from the limiting assembly and replacement of the new pedal assembly 1. In the embodiment, two adjusting screws 31 are arranged on each positioning plate 13, so as to ensure that the positioning plates 13 and the mounting plates 12 can be stably locked or the locking between the positioning plates 13 and the mounting plates 12 can be released. The number of the adjusting screws 31 can be adjusted according to actual needs.

[0043] As Figure 6 shown in the embodiment, the adjusting assembly further comprises elastic members 32, the mounting plates 12 are further provided with first mounting grooves 121, the positioning plates 13 are further provided with second mounting grooves 131 corresponding to the first mounting grooves 121, and the elastic members 32 are elastically connected between the groove bottoms of the first mounting grooves 121 and the second mounting grooves 131. When the positioning plates 13 are located in the limiting holes 211, the elastic members 32 are used to apply a pressing force to the positioning plates 13, so that the positioning plates 13 and the hole walls of the limiting holes 211 are tightly attached, thereby avoiding the shaking of the pedal assembly 1.

[0044] In the initial state, the elastic members 32 are in the compressed state and have elastic restoring force. Specifically, when the limiting locking between the mounting plates 12 and the limiting members 21 is needed, the two adjusting screws 31 on the positioning plates 13 can be loosened first. At this time, under the action of the elastic restoring force of the elastic members 32, the positioning plates 13 will move away from the mounting plates 12 and abut against the inner walls of the limiting holes 211 of the limiting members 21, thereby completing the limiting locking between the mounting plates 12 and the limiting members 21 and avoiding the shaking of the pedal assembly 1. If the pedal assembly 1 needs to be removed from the limiting members 21, the two adjusting screws 31 on the positioning plates 13 can be tightened, so that the positioning plates 13 move close to the mounting plates 12 and finally abut against the mounting plates 12. At this time, the pedal assembly 1 can be removed from the limiting members 21, and a new pedal assembly 1 can be replaced. Compared with the prior art, the operation is simple and the replacement is more convenient. The elastic members 32 are springs in the prior art.

[0045] AsFigure 6 As shown in the drawings, in the present embodiment, the first mounting slots 121, the second mounting slots 131 and the elastic members 32 are all provided in multiple and one-to-one correspondence. In the present embodiment, three first mounting slots 121 are provided on each mounting plate 12, and three second mounting slots 131 are provided on each positioning plate 13. The provision of multiple first mounting slots 121 and second mounting slots 131 ensures that the positioning plate 13 can be stably limited at the inner wall of the limiting hole 211 under the elastic restoring force of the multiple elastic members 32, so as to realize stable locking of the foot pedal assembly 1 and the limiting member 21. The number of the elastic members 32 can be adjusted according to actual needs.

[0046] As shown in the drawings, Figure 4 In the present embodiment, the positioning plate 13 comprises a body portion 132 and a clamping portion 133 integrally connected to both sides of the body portion 132 in the length direction. When the body portion 132 is inserted into the limiting hole 211, the clamping portion 133 abuts against the inner wall of the limiting hole 211. The thickness of the clamping portion 133 gradually decreases away from the body portion 132, which can effectively improve the limiting clamping effect of the positioning plate 13 and the limiting member 21, and further ensure that the foot pedal assembly 1 can be stably limited and locked with the limiting member 21.

[0047] As shown in the drawings, Figure 2 In the present embodiment, the pedal body 11 and the mounting plate 12 are connected in an arc shape, so as to improve the structural strength of the foot pedal assembly 1 and ensure that the foot pedal assembly 1 is not easily deformed during the driver's pedaling.

[0048] As shown in the drawings, Figure 3 and Figure 5 In the present embodiment, the bottom of the limiting member 21 is further provided with a water leakage hole 212, which can prevent mud and water from accumulating on the limiting member 21 and causing the limiting member 21 and the foot pedal assembly 1 to be easily rusted, thereby affecting the service life of the entire foot pedal mechanism.

[0049] As shown in the drawings, Figure 4 In the present embodiment, the pedal body 11 is further provided with a foot pedal opening 111, which is located at the middle portion of the pedal body 11. A corrugated surface for the driver to step on is formed on the bottom wall of the foot pedal opening 111. The pedal body 11 is further provided with a foot pedal groove 112 which is open upward. A corrugated surface is formed on the bottom wall of the foot pedal groove 112, which can improve the friction and reduce the risk of the driver stepping off the pedal body 11. The foot pedal opening 111 and the foot pedal groove 112 are both used for the driver to step on, which facilitates the driver to get on the cab.

[0050] In the present embodiment, a working machine is also provided, which comprises the foot pedal mechanism as described above. Since the working machine adopts all the embodiments of the foot pedal mechanism, it also has all the beneficial effects brought by the foot pedal mechanism, which will not be described in detail here.

[0051] In the description of the present application, it is to be understood that the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0052] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0053] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of different embodiments or examples without contradiction.

[0054] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A foot pedal mechanism for a work machine, the work machine including a track frame (100), characterized in that, The foot pedal mechanism includes: The foot pedal assembly (1) includes a pedal body (11) and mounting plates (12) connected to both sides of the pedal body (11) in the width direction, and each mounting plate (12) is provided with a positioning plate (13); A limiting assembly is installed on the side end face of the track frame (100). The limiting assembly includes two limiting members (21) arranged at intervals along the length direction of the track frame (100). The two limiting members (21) correspond one-to-one with the two positioning plates (13). An adjustment component is disposed between the positioning plate (13) and the mounting plate (12). The adjustment component is used to adjust the distance between the positioning plate (13) and the mounting plate (12) so that the positioning plate (13) can be engaged or disengaged from the limiting member (21).

2. The foot pedal mechanism according to claim 1, characterized in that, The limiting member (21) is provided with a limiting hole (211) that is adapted to the positioning plate (13).

3. The foot pedal mechanism according to claim 2, characterized in that, The adjustment assembly includes an adjustment screw (31) disposed on the positioning plate (13). The free end of the adjustment screw (31) passes through the positioning plate (13) and is threaded into the mounting plate (12). The adjustment screw (31) is used to adjust the distance between the positioning plate (13) and the mounting plate (12) so that the positioning plate (13) moves toward or away from the limiting hole (211).

4. The foot pedal mechanism according to claim 2, characterized in that, The adjustment assembly also includes an elastic element (32). The mounting plate (12) is provided with a first mounting groove (121), and the positioning plate (13) is provided with a second mounting groove (131) corresponding to the first mounting groove (121). The elastic element (32) is elastically connected between the bottom of the first mounting groove (121) and the second mounting groove (131). When the positioning plate (13) is located in the limiting hole (211), the elastic element (32) is used to apply a clamping force to the positioning plate (13) so that the positioning plate (13) and the hole wall of the limiting hole (211) are tightly attached.

5. The foot pedal mechanism according to claim 4, characterized in that, The first mounting groove (121), the second mounting groove (131), and the elastic element (32) are all multiple and are arranged in a one-to-one correspondence. The multiple elastic elements (32) are arranged at intervals along the length direction of the positioning plate (13).

6. The foot pedal mechanism according to claim 2, characterized in that, The positioning plate (13) includes a main body (132) and a snap-fit ​​portion (133) integrally connected to both sides of the main body (132) in the length direction. When the main body (132) is inserted into the limiting hole (211), the snap-fit ​​portion (133) abuts against the inner wall of the limiting hole (211), and the thickness of the snap-fit ​​portion (133) gradually decreases on the side away from the main body (132).

7. The foot pedal mechanism according to any one of claims 1 to 6, characterized in that, The pedal body (11) and the mounting plate (12) are connected by an arc transition.

8. The foot pedal mechanism according to any one of claims 1 to 6, characterized in that, The bottom of the limiting member (21) is also provided with a water leakage hole (212).

9. The foot pedal mechanism according to any one of claims 1 to 6, characterized in that, The pedal body (11) is also provided with a foot pedal opening (111), which is located in the middle of the pedal body (11). The bottom wall of the foot pedal opening (111) is formed with a corrugated surface for the driver to step on. The top of the pedal body (11) is also provided with an upward-opening foot pedal groove (112), and the bottom wall of the foot pedal groove (112) is formed with a corrugated surface.

10. A type of operating machinery, characterized in that, Includes the foot pedal mechanism according to any one of claims 1 to 9.

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