Pallet Truck Link Vibration Tooling

Abstract

The utility model relates to the technical field of forklifts, and discloses a pallet truck connecting rod vibration tooling, including a tooling base plate, a plurality of connecting rod mounting bases are aligned and fixed at one end of the upper surface of the tooling base plate, a first fixing pin is fixed between the plurality of connecting rod mounting bases, a guide rail is fixed on the upper surface of the tooling base plate and at one end away from the connecting rod mounting base, a plurality of sliders are sleeved on the surface of the guide rail, a second fixing pin is sleeved between the plurality of sliders, and a plurality of connecting rod bodies are arranged between the first fixing pin and the second fixing pin. The utility model tooling is convenient for assembling connecting rods, easy and flexible to adjust, has strong applicability, is equipped with a pressurizing mechanism to apply axial force, and has high assembly structure strength.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a connecting rod vibration tooling for a pallet truck. Background Art

[0002] Pallet trucks use a connecting rod structure to raise and lower the fork. During the driving process of the vehicle, the connecting rod structure is subjected to a large force. At the same time, the driving of the vehicle causes the connecting rod and even the entire vehicle to vibrate, which can easily cause the connecting rod screw to loosen, causing the connecting rod to bend and damage, affecting the quality of the vehicle. Therefore, when testing new products, it is necessary to verify the reliability of the connecting rod structure by vibrating it on a vibration table under the stress state of the connecting rod. For this purpose, a pallet truck connecting rod vibration tooling is designed. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems in the related art to a certain extent. To this end, one purpose of the utility model is to provide a pallet truck connecting rod vibration tooling, which is convenient for assembling the connecting rod, easy and flexible to adjust, has strong applicability, is equipped with a pressurizing mechanism to apply axial force, and has high assembly structure strength.

[0004] According to the utility model, the pallet truck connecting rod vibration tooling includes a tooling bottom plate, a plurality of connecting rod mounting bases are aligned and fixed at one end of the upper surface of the tooling bottom plate, a first fixing pin is fixed between the plurality of connecting rod mounting bases, a guide rail is fixed to the upper surface of the tooling bottom plate and at one end away from the connecting rod mounting base, a plurality of sliders are sleeved on the surface of the guide rail, a second fixing pin is sleeved between the plurality of sliders, and a plurality of connecting rod bodies are arranged between the first fixing pin and the second fixing pin;

[0005] The tooling bottom plate includes a horizontal plate and a vertical plate, wherein the vertical plate is fixed to the side wall of the horizontal plate and close to the guide rail, and a plurality of force adding mechanisms are threadedly installed on the side wall of the vertical plate, and the force adding mechanisms and the guide rail are respectively located on both sides of the vertical plate;

[0006] The force-applying mechanism includes a rotating handle, a threaded rod is fixed on the surface of the rotating handle, an end of the threaded rod away from the rotating handle is set as a pressure end, a plurality of threaded adjustment holes are opened at equal height positions on the side wall of the vertical plate, the threaded rod passes through the vertical plate, and the pressure end contacts the side wall of the slider.

[0007] Preferably, the connecting rod mounting base includes a base bottom plate fixed to the upper surface of the tooling bottom plate, the surface of the base bottom plate is symmetrically fixed with base side plates, the side walls of the base side plates are provided with first through holes at equal heights for fitting the first fixing pin, and the surface of the tooling bottom plate is provided with multiple first mounting holes at the four corners.

[0008] Preferably, a plurality of sliding grooves for assembling the sliding block are aligned on the surface of the guide rail, and a plurality of second mounting holes are formed at the four corners of the guide rail.

[0009] Preferably, a second through hole for fitting the second fixing pin is formed at the same height position on the side walls of the plurality of sliding blocks.

[0010] Preferably, a plurality of threaded holes for fixing the connecting rod mounting base are formed on the surface of the transverse plate.

[0011] Preferably, a plurality of assembly holes are provided in the middle of the surface of the tooling base plate.

[0012] The beneficial effects of the utility model are:

[0013] 1. Connecting rods of different lengths and types can be installed and fixed on this utility model without multiple sets of tooling. One set of tooling can realize multiple sets of connecting rod tests at the same time. It has strong applicability, flexible use and easy adjustment.

[0014] 2. By installing a force-adding mechanism to pressurize the side wall of the slider, it is ensured that the connecting rod is subjected to a sufficiently large axial force and a preload is applied, thereby reducing the impact of assembly errors on the equipment during the vibration test and improving the assembly strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the assembly structure of the connecting rod body of the connecting rod vibration tooling of the pallet truck.

[0016] Figure 2 The utility model is a schematic diagram of the installation structure of the tooling bottom plate of the pallet truck connecting rod vibration tooling.

[0017] Figure 3 The utility model is a schematic diagram of the tooling bottom plate structure of the pallet truck connecting rod vibration tooling.

[0018] Figure 4 The utility model is a schematic diagram of the connecting rod installation base structure of the pallet truck connecting rod vibration tooling.

[0019] Figure 5 The utility model is a schematic diagram of the guide rail structure of the connecting rod vibration tooling of the pallet truck.

[0020] Figure 6 The utility model is a schematic diagram of the structure of the slider of the connecting rod vibration tooling of the pallet truck.

[0021] Figure 7 The utility model is a schematic diagram of the structure of the force-adding mechanism of the connecting rod vibration tooling of the pallet truck.

[0022] In the figure: 100, connecting rod mounting base; 110, base bottom plate; 111, first mounting hole; 120, base side plate; 121, first through hole; 200, tooling bottom plate; 210, horizontal plate; 211, assembly hole; 212, threaded hole; 220, vertical plate; 221, threaded adjustment hole; 300, guide rail; 301, slide groove; 302, second mounting hole; 400, slider; 401, second through hole; 500, force mechanism; 501, rotating handle; 502, threaded rod; 503, pressurizing end; 600, first fixing pin; 700, second fixing pin; 800, connecting rod body. DETAILED DESCRIPTION

[0023] Reference Figure 1-7 The pallet truck connecting rod vibration tooling includes a tooling base plate 200, a plurality of connecting rod mounting bases 100 are aligned and fixed at one end of the upper surface of the tooling base plate 200, a first fixing pin 600 is fixed between the plurality of connecting rod mounting bases 100, a guide rail 300 is fixed on the upper surface of the tooling base plate 200 and at one end away from the connecting rod mounting base 100, a plurality of sliders 400 are sleeved on the surface of the guide rail 300, a second fixing pin 700 is sleeved between the plurality of sliders 400, a plurality of connecting rod bodies 800 are arranged between the first fixing pin 600 and the second fixing pin 700, and a long pin can be used when conducting the same connecting rod test according to the condition of the tested connecting rod. The axis is fixed, but if connecting rods of different lengths are tested, multiple short pins can be used to meet the needs of testing different connecting rods at the same time. That is, the first fixing pin 600 and the second fixing pin 700 can be replaced by shorter fixing pins. The first fixing pin 600 and the second fixing pin 700 used in this embodiment simultaneously pass through both ends of multiple connecting rod bodies 800. When the shorter connecting rod bodies 800 are assembled for testing at the same time, it is necessary to adjust the position of the slider 400 and use other fixing pins to fix the two ends. At the same time, the force applying mechanism 500 is rotated to adapt to the position of the slider 400, so that the tooling can test connecting rod bodies 800 of different lengths at the same time.

[0024] The tooling base plate 200 includes a horizontal plate 210 and a vertical plate 220 . The vertical plate 220 is fixed to the side wall of the horizontal plate 210 and close to the guide rail 300 . A plurality of force adding mechanisms 500 are threadedly mounted on the side wall of the vertical plate 220 . The force adding mechanisms 500 and the guide rail 300 are respectively located on both sides of the vertical plate 220 .

[0025] The force-applying mechanism 500 includes a rotating handle 501, a threaded rod 502 is fixed on the surface of the rotating handle 501, and one end of the threaded rod 502 away from the rotating handle 501 is set as a pressurizing end 503. A plurality of threaded adjustment holes 221 are provided at equal height positions on the side wall of the vertical plate 220. The threaded rod 502 is threadedly installed in the threaded adjustment hole 221 and extends from the other side of the vertical plate 220. The threaded rod 502 penetrates the vertical plate 220, and the pressurizing end 503 contacts the side wall of the slider 400. The force-applying mechanism 500 is used to pressurize the contact slider 400 to ensure that the connecting rod is subjected to a sufficiently large axial force. The rotating handle 501 is rotated to drive the threaded rod 502 to move in the threaded through hole, so as to drive the pressurizing end 503 to contact the slider 400, thereby applying pressure to the slider 400.

[0026] The connecting rod mounting base 100 includes a base bottom plate 110 fixed on the upper surface of the tooling bottom plate 200, and a base side plate 120 is symmetrically fixed on the surface of the base bottom plate 110. The side walls of the base side plates 120 are provided with first through holes 121 for fitting the first fixing pin 600 at equal height positions, and a plurality of first mounting holes 111 are provided at the four corners of the surface of the tooling bottom plate 200.

[0027] A plurality of sliding grooves 301 for assembling the slider 400 are aligned and opened on the surface of the guide rail 300 , and a plurality of second mounting holes 302 are opened at the four corners of the guide rail 300 .

[0028] Second through holes 401 for fitting the second fixing pins 700 are formed at equal height positions on the side walls of the plurality of sliding blocks 400 .

[0029] A plurality of threaded holes 212 for fixing the connecting rod mounting base 100 are formed on the surface of the transverse plate 210 . The connecting rod mounting base 100 is fixed to the surface of the transverse plate 210 by using the threaded holes 212 .

[0030] A plurality of assembly holes 211 are provided in the middle of the surface of the tooling base plate 200 , and the tooling base plate 200 is fixed to the vibration table by the assembly holes 211 . The surface of the tooling base plate 200 is also provided with pin holes for assembling the guide rail 300 and the connecting rod mounting base 100 .

[0031] When the device is used, before use, the required connecting rod type, length, preload and other detailed information are determined, and the vibration spectrum of the whole vehicle is collected and converted into the spectrum of the vibration test bench; a plurality of identical or different connecting rods are fixed on the overall tooling, and according to the conditions of the tested connecting rods, when the same connecting rod test is carried out, a long pin shaft can be used for fixing, but if connecting rods of different lengths are tested, a plurality of short pin shafts can be used to meet the needs of simultaneous testing of different connecting rods; through the pressure sensor and the force adding mechanism 500, it is ensured that the connecting rod is subjected to a sufficiently large axial force; then the test is carried out and the connecting rod condition is monitored.

Claims

1. Pallet truck connecting rod vibration tooling, characterized by: It comprises a tooling base plate, a plurality of connecting rod mounting bases are aligned and fixed at one end of the upper surface of the tooling base plate, a first fixing pin is fixed between the plurality of connecting rod mounting bases, a guide rail is fixed at one end of the upper surface of the tooling base plate away from the connecting rod mounting base, a plurality of sliders are sleeved on the surface of the guide rail, a second fixing pin is sleeved between the plurality of sliders, and a plurality of connecting rod bodies are arranged between the first fixing pin and the second fixing pin; The tooling bottom plate includes a horizontal plate and a vertical plate, wherein the vertical plate is fixed to the side wall of the horizontal plate and close to the guide rail, and a plurality of force adding mechanisms are threadedly installed on the side wall of the vertical plate, and the force adding mechanisms and the guide rail are respectively located on both sides of the vertical plate; The force-applying mechanism includes a rotating handle, a threaded rod is fixed on the surface of the rotating handle, an end of the threaded rod away from the rotating handle is set as a pressure end, a plurality of threaded adjustment holes are opened at equal height positions on the side wall of the vertical plate, the threaded rod passes through the vertical plate, and the pressure end contacts the side wall of the slider.

2. The pallet truck connecting rod vibration tooling according to claim 1, characterized in that: The connecting rod mounting base includes a base bottom plate fixed on the upper surface of the tooling bottom plate, and the surface of the base bottom plate is symmetrically fixed with base side plates. The side walls of the base side plates are provided with first through holes at equal heights for fitting the first fixing pins, and the surface of the tooling bottom plate is provided with multiple first mounting holes at the four corners.

3. The pallet truck connecting rod vibration tooling according to claim 1, characterized in that: A plurality of sliding grooves for assembling the sliding blocks are aligned on the surface of the guide rail, and a plurality of second mounting holes are formed at the four corners of the guide rail.

4. The pallet truck connecting rod vibration tooling according to claim 1, characterized in that: Second through holes for fitting the second fixing pin are provided at equal height positions on the side walls of the plurality of sliding blocks.

5. The pallet truck connecting rod vibration tooling according to claim 1, characterized in that: A plurality of threaded holes for fixing the connecting rod mounting base are provided on the surface of the transverse plate.

6. The pallet truck connecting rod vibration tooling according to claim 1, characterized in that: A plurality of assembly holes are provided in the middle of the surface of the tooling bottom plate.

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