Pedal telescopic limiting device

Abstract

The utility model discloses a pedal telescopic limiting device which is characterized by comprising a base plate, a blocking seat, a blocking pedal, a blocking block and a pedal unlocking assembly, the blocking seat is arranged on the base plate, a cavity is formed in the middle of the blocking seat, the blocking pedal is arranged in the cavity of the blocking seat, the middle of the blocking pedal is hinged to the blocking seat, and the blocking block is arranged in the cavity of the blocking seat. The front end of the blocking pedal is hinged to the lower portion of the blocking block, the upper end of the blocking block extends out of the top end face of the blocking base, the rear end of the blocking pedal extends out of the rear end face of the blocking base and is connected with a pedal, and a clamping groove is formed in the portion, corresponding to the hinged point, of the blocking pedal. The blocking pin is vertically and movably arranged on the unlocking pedal assembly, and a reset spring is arranged between the front portion of the blocking pedal and the blocking base. The loading platform has the beneficial effects that the loading platform is simple in structure, is used for being mounted on the bottom surface, can realize the limiting of the hydraulic forklift and the tray in a pedal manner, and is suitable for an automatic machine and a production line.

Description

Technical Field

[0001] The utility model relates to the field of limiting mechanisms, in particular to a pedal telescopic limiting device. Background Art

[0002] With the development of science and technology, more and more factories have introduced automated production lines, which has reduced labor input and improved production efficiency. Among them, the automated production lines in the machining industry mainly include CNC machine tools, automatic fixtures, loading and unloading manipulators, material preparation platforms and conveyor belts. The material preparation platform requires workers to transport multiple parts placed on the pallet to the material preparation platform through a hydraulic forklift, and then retract the fork arm of the hydraulic forklift when the lifting mechanism on the material preparation platform lifts the pallet. However, when the pallet is delivered to the location, it is necessary to keep the hydraulic forklift and the pallet from being displaced, so a limit device is required to limit the movement of the hydraulic forklift. The existing limit device is mainly operated by manual actuation of the quick-clamp structure. When the worker pushes the hydraulic forklift, it is difficult to free up his hands to actuate the limit device. Therefore, it is necessary to design a more convenient foot-operated limit device. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a pedal telescopic limiting device, which has a simple structure and is easy to operate, and can realize automatic limiting of a hydraulic forklift pallet.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The pedal telescopic limit device is characterized in that it comprises a ground plate, a blocking seat, a blocking foot pedal, a blocking block, and an unlocking foot pedal assembly, the blocking seat is arranged on the ground plate, the middle portion of the blocking seat has a cavity, the blocking foot pedal is arranged in the cavity of the blocking seat, the middle portion of the blocking foot pedal is hinged on the blocking seat, the front end of the blocking foot pedal is hinged with the lower portion of the blocking block, the upper end of the blocking block extends out of the top end surface of the blocking seat, the rear end of the blocking foot pedal extends out of the rear end surface of the blocking seat and is connected to the pedal, the unlocking foot pedal assembly is arranged in the cavity of the blocking seat, the blocking foot pedal has a slot below the corresponding hinge point, the unlocking foot pedal assembly has a blocking pin limited in the slot, the blocking pin is vertically movably arranged on the unlocking foot pedal assembly, and a return spring is arranged between the front portion of the blocking foot pedal and the blocking seat.

[0006] Furthermore, the blocking seat includes two vertical plates arranged in parallel, a cavity is formed between the two vertical plates, a plurality of support columns are arranged between the two vertical plates, and the upper portion of the blocking block is limited to be located between the two support columns.

[0007] Furthermore, the blocking seat is provided with a protective sheet metal covering the upper part and the rear part.

[0008] Furthermore, the unlocking foot pedal assembly includes a piston rod mounting seat, a piston column, a foot pedal slider, and a compression spring, wherein the piston rod mounting seat is installed on the anchor plate, the piston column is vertically arranged on the piston rod mounting seat, the foot pedal slider is sleeved on the upper end of the piston column, the compression spring is arranged on the upper end of the piston column, and the blocking pin is arranged on the foot pedal slider.

[0009] Furthermore, the upper end of the pedal slider extends out of the upper end surface of the blocking seat and is connected to a pedal, the upper portion of the pedal slider is provided with a guide groove, and the blocking seat is provided with a guide bolt limitedly located in the guide groove.

[0010] The beneficial effects of the utility model include: it has a simple structure, is used to be installed on the bottom surface, can achieve the limit of the hydraulic forklift and the pallet by pedaling, and is suitable for the loading platform of the automatic machining production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the internal structure of the unlocking pedal assembly in the utility model. DETAILED DESCRIPTION

[0014] The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

[0015] A kind of Figure 1-3 The pedal telescopic limit device shown comprises a ground plate 1, a blocking seat 2, a blocking pedal 3, a blocking block 4, and an unlocking pedal assembly 5, wherein the blocking seat 2 is arranged on the ground plate 1, and the ground plate 1 has a plurality of mounting holes for mounting on the ground or the bottom plate. The blocking seat 2 comprises two parallel vertical plates, a cavity is formed between the two vertical plates, and a plurality of support columns 8 are arranged between the two vertical plates. The blocking pedal 3 is arranged in the cavity of the blocking seat 2, and the middle part of the blocking pedal 3 is hinged on the blocking seat 2. The front end of the blocking pedal 3 is hinged to the lower end of the blocking block 4, so that the blocking pedal 3 can lift the blocking block 4 upward by the principle of a lever. The upper end of the blocking block 4 extends out of the top end face of the blocking seat 2, and is used to block a hydraulic forklift or a pallet. The rear end of the blocking pedal 3 extends out of the rear end face of the blocking seat 2 and is connected with a pedal. The unlocking pedal assembly 5 is arranged in the cavity of the blocking seat 2, and is used to lock and unlock the blocking pedal 3.

[0016] There is a slot 31 below the corresponding hinge point on the blocking pedal 3, and both sides of the corresponding slot are arc portions. The unlocking pedal assembly 5 is provided with a blocking pin 6 limited in the slot 31. The blocking pin 6 is vertically movable on the unlocking pedal assembly 5, and is unlocked when the blocking pin 6 moves downward out of the slot 31. A reset spring 7 is arranged between the front of the blocking pedal 3 and the blocking seat 2. The reset spring 7 is a tension spring, the upper end of which is used to connect to the bolt at the front of the blocking pedal 3, and the lower end is connected to the bolt at the bottom of the blocking seat 2, so that when the blocking pedal 3 is unlocked, the front is automatically pressed down, thereby driving the blocking block 4 to retract into the blocking seat 2. In order to keep the blocking block 4 in a vertical motion state, the upper part of the blocking block 4 is limited between two support columns 8, so that the support column 8 provides a lateral blocking support force.

[0017] In order to prevent dust or foreign matter from getting stuck in the movable parts, the blocking seat 2 of this embodiment is provided with a protective sheet metal 9 covering the upper part and the rear part.

[0018] like Figure 3 As shown, the unlocking foot pedal assembly 5 of this embodiment includes a piston rod mounting seat 51, a piston column 52, a foot pedal slider 53, and a compression spring 54, wherein the piston rod mounting seat 51 is mounted on the anchor plate 1, the piston column 52 is vertically arranged on the piston rod mounting seat 51, the foot pedal slider 53 is sleeved on the upper end of the piston column 52, the compression spring 54 is arranged on the upper end of the piston column 52, the blocking pin 6 is arranged on the foot pedal slider 53, the upper end of the foot pedal slider 53 extends out of the upper end surface of the blocking seat 2 and is connected with a pedal, the upper part of the foot pedal slider 53 has a guide groove 55, and the blocking seat 2 is provided with a guide bolt 10 limitedly located in the guide groove 55. In the natural state, the foot pedal slider 53 is pushed up due to the action of the spring force. When the pedal at the top of the foot pedal slider 53 is stepped on, the compression spring of the foot pedal slider 53 moves downward, thereby driving the blocking pin 6 to disengage from the slot 31 to complete the unlocking.

[0019] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A pedal telescopic limit device, characterized in that: The invention comprises a foot plate (1), a blocking seat (2), a blocking pedal (3), a blocking block (4), and an unlocking pedal assembly (5); the blocking seat (2) is arranged on the foot plate (1); the blocking seat (2) has a cavity in the middle; the blocking pedal (3) is arranged in the cavity of the blocking seat (2); the middle part of the blocking pedal (3) is hinged on the blocking seat (2); the front end of the blocking pedal (3) is hinged to the lower part of the blocking block (4); the upper end of the blocking block (4) protrudes from the top end surface of the blocking seat (2); The rear end of the blocking pedal (3) extends out of the rear end surface of the blocking seat (2) and is connected to a pedal; the unlocking pedal assembly (5) is arranged in the cavity of the blocking seat (2); a slot (31) is provided below the corresponding hinge point on the blocking pedal (3); the unlocking pedal assembly (5) has a blocking pin (6) limited in the slot (31); the blocking pin (6) is vertically movably arranged on the unlocking pedal assembly (5); and a return spring (7) is provided between the front part of the blocking pedal (3) and the blocking seat (2).

2. A pedal telescopic limit device according to claim 1, characterized in that: The blocking seat (2) comprises two vertical plates arranged in parallel, a cavity is formed between the two vertical plates, a plurality of support columns (8) are arranged between the two vertical plates, and the upper part of the blocking block (4) is limited to be located between the two support columns (8).

3. A pedal telescopic limit device according to claim 2, characterized in that: The blocking seat (2) is provided with a protective sheet metal (9) covering the upper part and the rear part.

4. A pedal telescopic limit device according to claim 1, characterized in that: The unlocking foot pedal assembly (5) comprises a piston rod mounting seat (51), a piston column (52), a foot pedal slider (53), and a compression spring (54), wherein the piston rod mounting seat (51) is mounted on the anchor plate (1), the piston column (52) is vertically arranged on the piston rod mounting seat (51), the foot pedal slider (53) is sleeved on the upper end of the piston column (52), the compression spring (54) is arranged on the upper end of the piston column (52), and the blocking pin (6) is arranged on the foot pedal slider (53).

5. A pedal telescopic limit device according to claim 4, characterized in that: The upper end of the pedal slider (53) extends out of the upper end surface of the blocking seat (2) and is connected to a pedal. The upper part of the pedal slider (53) has a guide groove (55). The blocking seat (2) is provided with a guide bolt (10) which is limitedly located in the guide groove (55).

Images