Production line transfer trolley locking device

Abstract

The utility model relates to a locking device for a production line transfer trolley. The device structurally comprises a bottom plate, a front shaft, a rear shaft, a first locking claw, a second locking claw, a telescopic driving element, a connecting frame, a shaft rod and a swing plate, wherein the front shaft and the rear shaft are arranged on the bottom plate; the first locking claw and the second locking claw are arranged on the front shaft; the telescopic driving element is connected with the first locking claw; the swing plate is connected with the rear shaft, and the connecting frame is connected with the shaft rod. According to the utility model, the clamping action of the transfer trolley is realized through one telescopic driving element, so that the problem that the transfer trolley cannot be locked due to asynchronous or inconsistent actions when two driving elements are used is avoided, and the locking reliability of the transfer trolley is improved.

Description

Technical Field

[0001] The utility model relates to an automated production line device, in particular to a locking device for a transfer vehicle of a production line. Background Art

[0002] With the rapid development of modern industrial production, automated production lines have become the core equipment of the manufacturing industry. In automated production, transfer vehicles, as an indispensable part of the production line, carry the transportation tasks of materials, semi-finished products and finished products. Their safety and stability are directly related to the efficiency and smoothness of the entire production process. However, the existing locking devices for rail-specific transfer vehicles have exposed problems such as poor locking reliability and complex structure in actual applications. The transfer vehicle cannot be reliably locked and fixed, which not only affects the stability of the transfer vehicle, but also poses a hidden danger to the continuous operation of the production line and the safety of operators. The complex structure leads to increased maintenance difficulty and frequent downtime, which not only increases maintenance costs, but also reduces the operating efficiency of the production line, becoming a problem that needs to be urgently solved in the modern manufacturing industry. Utility Model Content

[0003] The purpose of the utility model is to provide a locking device for a transfer vehicle of a production line, so as to solve the problems of unreliable locking and complex structure of the existing transfer vehicle locking devices.

[0004] The utility model is implemented as follows: a locking device for a production line transfer vehicle, whose structure includes a base plate, a front axle and a rear axle arranged on the base plate, a first locking claw and a second locking claw arranged on the front axle, a telescopic driving element connected to the first locking claw, a connecting frame connected to the second locking claw, a shaft rod connected to the telescopic driving element and a swing plate connected to the shaft rod, the swing plate is connected to the rear axle, and the connecting frame is connected to the shaft rod.

[0005] Furthermore, the connecting frame includes a cross bar and two longitudinal bars connected to the front end of the cross bar, the two longitudinal bars are respectively connected to one of the second locking claws, and the cross bar is connected to the shaft rod.

[0006] Furthermore, the rear axle includes two short axles that are spaced apart, the axes of the two short axles coincide with each other, and the gap between them provides space for the telescopic action of the telescopic driving element.

[0007] Furthermore, the first locking claw is connected to the telescopic driving element through a connecting piece, the connecting piece is U-shaped, an open end of the connecting piece is rotatably connected to the first locking claw, and the other end is fixedly connected to the piston rod of the telescopic driving element.

[0008] Furthermore, the first locking claw and the second locking claw face in opposite directions.

[0009] Furthermore, there is one first locking claw, and there are two second locking claws, and the first locking claw is located between the two second locking claws.

[0010] Furthermore, the front axle is parallel to the rear axle, and two rows of front and rear ear plates are vertically arranged on the bottom plate, and through holes are opened on the ear plates. The ear plates in the front row are used to install the front axle, and the ear plates in the rear row are used to install the rear axle.

[0011] Furthermore, one ear plate is respectively provided at adjacent positions on the left and right sides of the first locking claw and the second locking claw.

[0012] Furthermore, a plurality of limit pins are arranged on the bottom plate, and the limit pins are arranged in front of and behind the front axle to define two movement ranges of the first locking claw and the second locking claw.

[0013] The utility model realizes the clamping action of the transfer vehicle through a telescopic drive element, avoiding the problem of using two drive elements to lock the transfer vehicle due to asynchronous or inconsistent actions, and improving the reliability of locking the transfer vehicle. The utility model has a simple structure and uses only one telescopic drive element, which reduces the number of components, not only reduces the failure rate, but also makes maintenance and inspection work easier and faster, effectively reducing maintenance costs and time. The rear axle of the utility model is two short axles set at intervals, which provide sufficient telescopic space for the telescopic drive element, make the overall structure more compact, and reduce the overall volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural diagram of the base plate.

[0016] Figure 3 It is a structural diagram of the connecting frame.

[0017] Figure 4 It is a side view of the utility model in an opened state.

[0018] Figure 5 yes Figure 4 Top view of the .

[0019] Figure 6 It is a side view of the utility model in a locked state.

[0020] Figure 7 yes Figure 6 Top view of the .

[0021] In the figure: 1, bottom plate, 2, front axle, 3, rear axle, 4, first locking claw, 5, second locking claw, 6, telescopic driving element, 7, connecting frame, 8, shaft rod, 9, swing plate, 10, ear plate, 11, limit nail, 12, limit pin, 13, connecting piece. DETAILED DESCRIPTION

[0022] like Figure 1 As shown, the utility model comprises a horizontally arranged bottom plate 1, a front axle 2 and a rear axle 3 arranged on the bottom plate 1, a first locking claw 4 and a second locking claw 5 connected to the front axle 2, a telescopic driving element 6 connected to the first locking claw 4, a connecting frame 7 connected to the second locking claw 5, a shaft 8 connected to the telescopic driving element 6, and a swing plate 9 connected to the shaft 8, the other end of the swing plate 9 is connected to the rear axle 3, and the connecting frame 7 is connected to the shaft 8. The front end of the connecting frame 7 is connected to the second locking claw 5, and the rear end of the connecting frame 7 is rotatably connected to the shaft 8.

[0023] like Figure 2 As shown, the base plate 1 is provided with elongated holes, which are used to fix the base plate 1 and allow for fine-tuning to accommodate different installation requirements or to compensate for tolerances during manufacturing and assembly.

[0024] The front axle 2 and the rear axle 3 are arranged in parallel, and two rows of ear plates 10 are arranged vertically on the bottom plate 1. Through holes are opened on the ear plates 10. The ear plates in the front row are used to install the front axle 2, and the ear plates in the rear row are used to install the rear axle 3. An ear plate 10 is arranged on the left and right sides of the first locking claw 4, the second locking claw 5 and the swing plate 9 to prevent them from sliding left and right on the axle and ensure that they do not interfere with each other when they move.

[0025] A limit pin 11 is provided on the bottom plate 1, and the limit pin 11 is provided on the movement path of the first locking claw 4 and the second locking claw 5 to prevent the locking claw from moving too far and getting stuck. The limit pins 11 are provided in front and rear of the front axle 2 to limit the front and rear extreme positions of the first locking claw 4 and the second locking claw 5.

[0026] Limiting components are provided near both left and right ends of the front axle 2 and the rear axle 3. In this embodiment, the limiting components are limiting pins 12. The limiting components may also be limiting screws or limiting nuts.

[0027] The first locking claw 4 has one and the second locking claw 5 has two. The first locking claw 4 is located in the middle of the second locking claw 5 to evenly apply the clamping force and ensure the stability of the clamping process. The first locking claw 4 and the second locking claw 5 are in opposite directions. The first locking claw 4 and the second locking claw 5 move in the same direction to clamp the transfer vehicle, or move in opposite directions to release the transfer vehicle.

[0028] A connecting piece 13 is connected to each of the first locking claw 4 and the second locking claw 5. The connecting piece 13 is U-shaped. The open end of the connecting piece 13 is rotatably connected to the first locking claw 4 and the second locking claw 5. The rotatable connection method is: corresponding through holes are opened in the connecting piece 13, the first locking claw 4 and the second locking claw 5, and a rotating shaft is passed through the through holes. The other end of the connecting piece 13 is fixedly connected to the piston rod of the telescopic driving element 6. The other end of the connecting piece 13 connected to the second locking claw 5 is fixedly connected to the connecting frame 7.

[0029] like Figure 3 As shown, the connecting frame 7 is horizontally arranged, and the connecting frame 7 is in the shape of a gate. The connecting frame 7 includes a crossbar and two longitudinal bars connected to the front end of the crossbar. The crossbar is parallel to the rear axle 3. The front end of the crossbar is connected to the shaft rod 8 through a horizontal ear plate. The shaft rod 8 is located between the two longitudinal bars. The two longitudinal bars are respectively connected to a second locking claw 5. A horizontal ear plate is arranged at the front end of the crossbar, and the horizontal ear plate is used to connect with the shaft rod 8. The horizontal ear plate allows the rear end of the connecting frame to rotate around the shaft rod 8.

[0030] The telescopic drive element 6 can be a hydraulic cylinder, a pneumatic cylinder or an electric push rod, etc. In this embodiment, the telescopic drive element 6 is a pneumatic cylinder. A horizontal ear plate is provided at the rear end of the telescopic drive element 6, and the shaft rod 8 is inserted into the horizontal ear plate of the telescopic drive element 6. The telescopic drive element 6 is located between the two longitudinal rods of the connecting frame 7. The rear axle 3 includes two short shafts arranged at intervals, and the axes of the two short shafts coincide. The gap between them provides necessary space for the telescopic action of the telescopic drive element 6, preventing the telescopic drive element 6 from interfering with the rear axle 3 when it is fully extended, making the overall structure more compact.

[0031] like Figure 4 and Figure 5 As shown, the utility model is in an open state, the first locking claw 4 contacts the limit pin 11 in front of the front axle 2, and the second locking claw 5 contacts the limit pin 11 behind the front axle 2. At this time, the swing plate 9 is in a vertical state, and the piston rod of the telescopic drive element 6 is in an extended state.

[0032] like Figure 6 and Figure 7 As shown, the utility model is in a locked state, the first locking claw 4 contacts the limiting nail 11 behind the front axle 2, and the second locking claw 5 contacts the limiting nail 11 in front of the front axle 2. At this time, the swing plate 9 tilts forward, and the piston rod of the telescopic drive element 6 is in a retracted state.

[0033] When the utility model locks the transfer vehicle, the piston rod of the telescopic drive element 6 retracts and the first locking claw 4 is pulled backward. After the first locking claw 4 contacts the limiting nail 11 behind the front axle 2, the first locking claw 4 cannot continue to rotate. After that, the piston rod of the telescopic drive element 6 continues to retract, and the telescopic drive element 6 pulls the connecting frame 7 forward. The rear end of the connecting frame 7 drives the swing plate 9 to rotate around the rear axle 3. The front end of the connecting frame 7 pushes the second locking claw 5 forward. The second locking claw 5 is pushed forward by the connecting frame 7 and rotates forward around the front axle 2. It stops after the second locking claw 5 contacts the limiting nail in front of the front axle 2. The first locking claw 4 and the second locking claw 5 lock and fix the transfer vehicle.

Claims

1. A locking device for a production line transfer vehicle, characterized in that: The invention comprises a base plate, a front axle and a rear axle arranged on the base plate, a first locking claw and a second locking claw arranged on the front axle, a telescopic driving element connected to the first locking claw, a connecting frame connected to the second locking claw, a shaft connected to the telescopic driving element, and a swinging plate connected to the shaft, wherein the swinging plate is connected to the rear axle, and the connecting frame is connected to the shaft.

2. The locking device for the production line transfer vehicle according to claim 1, characterized in that: The connecting frame comprises a cross bar and two longitudinal bars connected to the front end of the cross bar, the two longitudinal bars are respectively connected to one of the second locking claws, and the cross bar is connected to the shaft rod.

3. The locking device for the production line transfer vehicle according to claim 1, characterized in that: The rear axle includes two short axles arranged at an interval, the axes of the two short axles coincide with each other, and the gap between them provides space for the telescopic action of the telescopic driving element.

4. The locking device for the production line transfer vehicle according to claim 1, characterized in that: The first locking claw is connected to the telescopic driving element through a connecting piece, the connecting piece is U-shaped, the open end of the connecting piece is rotatably connected to the first locking claw, and the other end is fixedly connected to the piston rod of the telescopic driving element.

5. The locking device for the production line transfer vehicle according to claim 1, characterized in that: The first locking claw and the second locking claw face opposite to each other.

6. The locking device for the production line transfer vehicle according to claim 5, characterized in that: The first locking claw has one, the second locking claw has two, and the first locking claw is located between the two second locking claws.

7. The locking device for the production line transfer vehicle according to claim 1, characterized in that: The front axle is parallel to the rear axle, and two rows of front and rear ear plates are vertically arranged on the bottom plate, and through holes are opened on the ear plates. The ear plates in the front row are used to install the front axle, and the ear plates in the rear row are used to install the rear axle.

8. The locking device for the production line transfer vehicle according to claim 7, characterized in that: One ear plate is respectively arranged at adjacent positions on the left and right sides of the first locking claw and the second locking claw.

9. The locking device for the production line transfer vehicle according to claim 1, characterized in that: A plurality of limit pins are arranged on the bottom plate, and the limit pins are arranged in front of and behind the front axle to define two action ranges of the first locking claw and the second locking claw.

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