CN209700297U - A kind of elastic load-bearing damping device of manganese steel castor - Google Patents

Abstract

The utility model discloses a kind of elastic load-bearing damping devices of manganese steel castor, including castor, castor includes wheel body, bradyseism pad, wheel shaft and damping device, damping device includes cylinder, cylinder one end and wheel shaft design for integral type, cylinder offers hole slot, piston rod is provided in hole slot, piston rod one end is fixedly connected with bradyseism pad, piston rod is fixedly connected with piston far from one end of bradyseism pad, piston is fixedly connected with the first spring far from one end of piston rod, and the first spring is fixedly connected on wheel shaft far from one end of piston；Wheel shaft is rotatably connected to support plate, and bottom plate is fixedly connected in support plate, and bottom plate is connect by bolt device with top plate, and second spring is provided between bottom plate and top plate.When manganese steel castor encounters the road surface of out-of-flatness, cushioning effect is played by second spring elastic reaction, the first spring is compressed by the piston rod band piston in rubber pad and damping device and plays cushioning effect, reduces castor since the damage of itself bring is given in vibration.

Description

An elastic load-bearing and shock-absorbing device for manganese steel casters

technical field

The utility model relates to the technical field of damping devices, in particular to an elastic load-bearing damping device for manganese steel casters.

Background technique

With the rise of the industrial revolution in modern times, more and more equipment needs to be moved, and casters are used more and more widely all over the world. Casters are almost inseparable from all walks of life. In modern times, with the continuous development of science and technology, equipment is becoming more and more With more and more functions and high utilization, casters have become an indispensable part. The wide use of casters makes the casters have to adapt to various environmental conditions. The vibration generated by the casters running on uneven ground will cause vibration damage to the casters and the devices carried by the casters, especially the casters made of manganese steel. It is relatively hard. If the manganese steel casters are not subjected to shock-absorbing treatment, the vibration damage caused to the casters and the devices carried by the casters will be greater. Therefore, it is urgent to develop an elastic load-bearing shock-absorbing device for manganese steel casters.

Utility model content

The purpose of this utility model is to solve the problem that the vibration generated by the caster running on the uneven ground will cause vibration damage to the caster and the device carried by the caster, and proposes an elastic load-bearing shock-absorbing device for manganese steel casters.

In order to achieve the above object, the utility model adopts the following technical solutions:

An elastic load-bearing damping device for a manganese steel caster, comprising a caster, the caster includes a wheel body, a cushioning pad, a wheel shaft and a shock absorbing device, the shock absorbing device includes a column, and one end of the column is connected to the wheel shaft One-piece design, the cylinder is provided with a hole, the hole is provided with a piston rod, one end of the piston rod is fixedly connected with the cushioning pad, and the end of the piston rod is far away from the cushioning pad A piston is fixedly connected, and the end of the piston away from the piston rod is fixedly connected to a first spring, and the end of the first spring away from the piston is fixedly connected to the axle; the axle is rotatably connected to a support plate, A bottom plate is fixedly connected to the support plate, and the bottom plate is connected to the top plate through a bolt device, and a second spring is arranged between the bottom plate and the top plate.

Preferably, the wheel body is glued to the cushioning pad, the cushioning pad is movably connected to the shock absorbing device through the piston rod, and the cushioning pad is connected to the wheel shaft through the shock absorbing device connection, when the caster is running on an uneven road surface, the shock absorbing effect can be achieved through the cooperation of the shock absorbing device and the rubber pad.

Preferably, the wheel body is made of manganese steel, and the cushioning pad is made of composite rubber.

Preferably, the support plate is rotatably connected to the wheel shaft through bearings, and the support plate is provided in two pieces, which are respectively arranged at two ends of the wheel shaft.

Preferably, the top plate and the bottom plate are integrally provided with connection holes, and the bolt device realizes the connection of the top plate and the bottom plate through the connection holes.

Preferably, the bolt device is provided with a pressure block, the pressure block is arranged at one end outside the connecting hole, the pressure block is threadedly connected with the screw in the bolt device, and the diameter of the pressure block is larger than the The diameter of the above connecting hole, the function of the pressure block is to block the bottom plate and the top plate, when the casters vibrate when driving on the uneven surface, due to the elastic action of the second spring, the top plate and the top plate The base plate is compressible between the screws.

Compared with the prior art, the utility model has the following advantages:

1. There is a second spring between the top plate and the bottom plate, and the bottom plate and the top plate are connected by connecting holes and bolt devices. When the manganese steel casters encounter uneven road surfaces, the second spring acts as a shock absorber. The device carried by the casters is protected.

2. The wheel body is glued with a rubber pad, and the rubber pad is connected to the wheel shaft through the shock absorber. When the caster passes the uneven road surface, the rubber pad and the piston rod in the shock absorber drive the piston to compress the first spring to play a shock absorbing role. , reducing the damage caused by the caster to itself due to vibration.

Description of drawings

Fig. 1 is the structural representation of the elastic load-bearing damping device of a kind of manganese steel caster that the utility model proposes;

Figure 2 is an enlarged schematic view of the structure of part a in the present invention.

In the figure: 1 caster, 2 wheel body, 3 cushioning pad, 4 wheel axle, 5 shock absorbing device, 6 support plate, 7 bottom plate, 8 bolt device, 9 top plate, 10 second spring, 11 connecting hole, 12 pressure block, 13 screw rods, 51 cylinders, 52 hole grooves, 53 piston rods, 54 pistons, 55 first springs.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Fig. 1 to Fig. 2, a kind of elastic load-bearing shock-absorbing device of manganese steel caster, comprises caster 1, is characterized in that, described caster 1 comprises wheel body 2, cushioning pad 3, axle 4 and shock-absorbing device 5, so The shock absorbing device 5 includes a cylinder 51, one end of the cylinder 51 is integrally designed with the axle 4, the cylinder 51 is provided with a hole 52, and a piston rod 53 is arranged in the hole 52, so that One end of the piston rod 53 is fixedly connected to the cushioning pad 3, a piston 54 is fixedly connected to one end of the piston rod 53 away from the cushioning pad 3, and a piston 54 is fixedly connected to one end of the piston rod 53 away from the piston rod 53. The first spring 55, the end of the first spring 55 away from the piston is fixedly connected to the axle 4; the axle 4 is rotatably connected to a support plate 6, and the support plate 6 is fixedly connected to a bottom plate 7, so The bottom plate 7 is connected to the top plate 9 through a bolt device 8 , and a second spring 10 is arranged between the bottom plate 7 and the top plate 9 .

Referring to Fig. 1, the wheel body 2 is made of manganese steel, and the cushioning pad 3 is made of composite rubber; blocks, respectively arranged at both ends of the axle 4; the top plate 9 and the bottom plate 7 are integrally provided with connecting holes 11, and the bolt device 8 realizes the connection of the top plate 9 and the bottom plate 7 through the connecting holes 11 ; The bolt device 8 is provided with a pressure block 12, and the pressure block 12 is arranged at one end outside the connecting hole 11, and the pressure block 12 is threadedly connected with the screw rod 13 in the bolt device 8, and the pressure The diameter of the block 12 is larger than the diameter of the connection hole 11 .

Referring to Fig. 2, the wheel body 2 is glued to the cushioning pad 3, and the cushioning pad 3 is movably connected to the shock absorbing device 5 through the piston rod 53, and the cushioning pad 3 passes through the The shock absorbing device 5 is connected with the axle 4 .

Now the operating principle of the utility model is described as follows:

When the utility model is in use, when the caster 1 travels to an uneven road surface, the vibration first drives the wheel body 2 to vibrate, the wheel body 2 is glued and connected with a cushioning pad 3, the cushioning pad 3 is fixedly connected with a piston rod 53, and the piston rod 53 drives the piston 54 compresses the first spring 55, and the damage caused by the vibration of the casters is reduced by the cooperation of the cushioning pad 3 and the shock absorbing device 5; secondly, a second spring 10 is arranged between the top plate 9 and the bottom plate 7, and the bottom plate 7 It is connected with the top plate 9 through the connection hole 11 and the bolt device 8. When the caster 1 encounters an uneven road surface, the elastic action of the second spring 10 acts as a shock absorber, which protects the device carried by the caster 1 and completes the shock absorption. shock process.

In this utility model, unless otherwise clearly specified and limited, terms such as "sliding", "rotating", "fixed", and "equipped" should be understood in a broad sense, for example, it can be a welded connection or a bolt Connected, or integrated; may be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediary, and may be an internal communication between two elements or an interactive relationship between two elements, unless otherwise stated Clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. a kind of elastic load-bearing damping device of manganese steel castor, including castor (1), which is characterized in that the castor (1) includes wheel Body (2), bradyseism pad (3), wheel shaft (4) and damping device (5), the damping device (5) include cylinder (51), the cylinder (51) One end and the wheel shaft (4) are designed for integral type, and the cylinder (51) offers hole slot (52), are provided in the hole slot (52) Piston rod (53), described piston rod (53) one end are fixedly connected with the bradyseism pad (3), and the piston rod (53) is far from described slow One end of shake pad (3) is fixedly connected with piston (54), and the piston (54) is fixedly connected far from the one end of the piston rod (53) Have the first spring (55), first spring (55) is fixedly connected on the wheel shaft (4) far from one end of the piston；It is described Wheel shaft (4) is rotatably connected to support plate (6), is fixedly connected with bottom plate (7) on the support plate (6), and the bottom plate (7) passes through spiral shell Pin device (8) is connect with top plate (9), and second spring (10) are provided between the bottom plate (7) and the top plate (9).

2. a kind of elastic load-bearing damping device of manganese steel castor according to claim 1, which is characterized in that the wheel body (2) it is connect with bradyseism pad (3) gluing, the bradyseism pad (3) is living by the piston rod (53) and the damping device (5) Dynamic connection, the bradyseism pad (3) are connect by the damping device (5) with the wheel shaft (4).

3. a kind of elastic load-bearing damping device of manganese steel castor according to claim 2, which is characterized in that the wheel body (2) it is made of manganese steel material, the bradyseism pad (3) uses compounded rubber material.

4. a kind of elastic load-bearing damping device of manganese steel castor according to claim 1, which is characterized in that the support plate (6) it is rotatablely connected with the wheel shaft (4) by bearing, the support plate (6) is set as two pieces, is separately positioned on the wheel shaft (4) both ends.

5. a kind of elastic load-bearing damping device of manganese steel castor according to claim 1, which is characterized in that the top plate (9) and on bottom plate (7) integral type is provided with connecting hole (11), and the bolt device (8) realizes institute by the connecting hole (11) State the connection of top plate (9) and bottom plate (7).

6. a kind of elastic load-bearing damping device of manganese steel castor according to claim 5, which is characterized in that the bolt dress It sets and is provided on (8) pressure block (12), the pressure block (12) is arranged in the connecting hole (11) lateral ends, the pressure block (12) it is connected through a screw thread with the screw rod (13) in the bolt device (8), the diameter of the pressure block (12) is greater than the company Connect the diameter of hole (11).