CN214728836U

CN214728836U - Wheel rises and tightly installs

Info

Publication number: CN214728836U
Application number: CN202120918348.4U
Authority: CN
Inventors: 林卫东; 赵兵; 由海宏; 李占成; 张云燕; 胡建国; 王国军; 李长青
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-16
Anticipated expiration: 2031-04-29

Abstract

The utility model provides a wheel rises and tightly installs, swing arm on telescopic machanism, articulated seat and the articulated thereof, swing arm one end articulates there is the tight board that rises that is used for rising and tightly the wheel. When the wheel is tensioned, the telescopic mechanism retracts and drives the swinging arm to swing around the fixed and fixed hinged seat, and the tensioning plate synchronously moves along with the swinging arm and gradually contacts with the wheel to tension the wheel. When the tensioning state needs to be relieved, the telescopic mechanism stretches out, the tensioning plate synchronously acts along with the swinging arm and gradually moves away from the wheel, a certain distance is kept, the wheel tensioning device is in an open state, and the wheel recovers the running capability again. The utility model has shallow depth of the foundation pit, convenient installation, simple maintenance and low foundation construction cost; the structure is simple, the processing is easy, and the equipment cost is low. When the wheel is tensioned, the tensioning device is in a self-locking state, the driving unit does not need to keep pressure all the time, and the service life of the driving unit is prolonged.

Description

Wheel rises and tightly installs

[ technical field ] A method for producing a semiconductor device

The utility model relates to a railway vehicle bulk cargo transportation equipment field, especially a wheel rises and tightly installs.

[ background of the invention ]

The wheel tension device is a stop safety device for preventing railway vehicles from generating longitudinal movement, is mainly applied to working conditions of parking and waiting operation of railway open wagons such as ports, steel, electric power and the like, is often used in a tippler unloading system and is arranged on a ground track or a transfer platform. The vertical arrangement of the many adoption of current wheel tight device that rises is tight both sides of wheel simultaneously, though this structure clamp force is great, but it has following shortcoming: 1. the equipment is huge, the foundation pit is deep, the maintenance difficulty is large, and the foundation cost is high; 2. the parts are numerous, the structure is complex, and the equipment cost is high; 3. in the wheel tensioning process, a driving unit (such as a hydraulic cylinder) needs to maintain pressure all the time, key elements are stressed all the time, and the service life of vulnerable parts of the driving unit is short. Therefore, for some occasions with low requirements on the clamping force, the conventional wheel tensioning device has low cost performance and cannot meet the requirements of people.

[ summary of the invention ]

In order to solve the problem, the utility model provides a shallow base formula wheel that level was arranged rises and tightly installs.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a wheel rises and tightly installs, includes the articulated seat 1 of immobilized, articulated on the articulated seat 1 have

swing arm

2, 2 one end hinges have the tight board 3 that rises that is used for rising and tightly the wheel of swing arm, and the other end is equipped with bar spout 21, its characterized in that: the wheel tensioning device further comprises a telescopic mechanism 4, and the telescopic mechanism 4 comprises a connecting frame 41, a guide device 42 and a driving device 43; hinge lugs 411 are respectively arranged on two sides of the connecting frame 41, and sliding shafts 412 matched with the strip-shaped sliding grooves 21 penetrate through hinge holes of the hinge lugs 411; the guide device 42 comprises a fixed guide seat 421 and a guide rod 422 slidably arranged in the guide seat 421, and the guide rod 422 is fixedly connected with the connecting frame 41; the driving device 43 comprises a driving unit 431 and a fixed support seat 432, wherein one end of the driving unit 431 is hinged with the support seat 432, and the other end is hinged with the guide rod 422.

As a preferred embodiment, further defined is: the guide seat 421 includes a first guide seat 4211 and a second guide seat 4212 respectively located at two ends of the connecting frame 41; the guide rod 422 includes a first guide rod 4221 and a second guide rod 4222; the first guide rod 4221 is fixedly connected with the connecting frame 41 and slidably inserted into the first guide seat 4211, one end of the second guide rod 4222 is fixedly connected with the connecting frame 41 and slidably inserted into the second guide seat 4212, and the second guide rod 4222 is hinged to the driving unit 431.

As a preferred embodiment, further defined is: a sliding sleeve 4210 is fixedly arranged in the guide seat 421, and the guide rod 422 is slidably arranged in the sliding sleeve 4210.

As a preferred embodiment, further defined is: the sliding sleeve 4210 is a carbon-based copper sleeve.

As a preferred embodiment, further defined is: the number of the hinge bases 1 is four.

As a preferred embodiment, further defined is: the two swing arms 2 on the same side of the two sides of the connecting frame 41 are arranged in parallel, so that the swing arms 2 are always in a parallel state in the working process of opening or tensioning the tensioning device.

As a preferred embodiment, further defined is: and the two ends of the tensioning plate 3 are respectively provided with a limiting device 5 for limiting the opening or tensioning limit position of the wheel tensioning device.

As a preferred embodiment, further defined is: the driving unit 431 is any one of an electric push rod, an electro-hydraulic push rod, a hydraulic cylinder, a pneumatic cylinder, an electro-hydraulic pusher or an electric lead screw.

As a preferred embodiment, further defined is: and one side of the tensioning plate 3, which is in contact with the wheel, is provided with a wear-resisting plate.

The utility model has the advantages that:

1. the utility model relates to a shallow base type wheel tensioning device, which adopts a horizontal arrangement mode, has shallow foundation pit depth, convenient installation, simple maintenance and low construction cost of equipment foundation;

2. the utility model has simple structure, easy processing and low equipment cost;

3. the utility model skillfully utilizes the parallel four-bar linkage mechanism and the mechanical self-locking principle, thereby not only ensuring the stability of the action of the wheel tensioning device, but also ensuring that the swinging arms on the two sides of the connecting frame are collinear two by two and are vertical to the wheel contact surface of the tensioning plate when the device is used for tensioning the wheel; at the moment, the tensioning device is in a self-locking state, the driving unit does not need to keep pressure all the time, and the service life of the driving unit is prolonged.

[ description of the drawings ]

Fig. 1 is a top view of the utility model in a tensioned state;

fig. 2 is a plan view of the open state of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 1;

fig. 4 is a sectional view taken along line B-B of fig. 1.

[ detailed description ] embodiments

The present embodiments are described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1 to 4, the wheel tensioning device comprises a fixed hinged base 1, a swing arm 2 is hinged on the hinged base 1, one end of the swing arm 2 is hinged with a tensioning plate 3 for tensioning a wheel, the other end of the swing arm is provided with a strip-shaped chute 21, the wheel tensioning device further comprises a telescopic mechanism 4, and the telescopic mechanism 4 comprises a connecting frame 41, a guide device 42 and a driving device 43; two sides of the connecting frame 41 are respectively provided with a hinge lug 411, and the two sides refer to two side surfaces in the directions of two sides of the central line of the vehicle track; a sliding shaft 412 matched with the strip-shaped sliding groove 21 penetrates through a hinge hole of the hinge lug 411; the guide device 42 comprises a fixed guide seat 421 and a guide rod 422 slidably arranged in the guide seat 421, and the guide rod 422 is fixedly connected with the connecting frame 41; the driving device 43 comprises a driving unit 431 and a fixed support seat 432, wherein one end of the driving unit 431 is hinged with the support seat 432, and the other end is hinged with the guide rod 422. The wheel tensioning device adopts a horizontal arrangement mode, and can be arranged on the surface of a foundation or the surface of equipment, a foundation pit is almost not needed, the installation is simple, the maintenance is convenient, and the foundation construction cost is saved. And the wheel tensioning device utilizes the principle of a parallel four-bar linkage mechanism to enable the swing arm 2 to stably drive the tensioning plate 3 to reliably move, so that the tensioning plate 3 is contacted and separated from the wheel. When the wheels are tensioned, the swing arms 2 on two sides of the connecting frame 41 are collinear in pairs and are vertical to the wheel contact surface of the tensioning plate 3; at the moment, the wheel tensioning device is in a self-locking state, the driving unit does not need to keep pressure all the time, and the service life of the driving unit is prolonged.

In this embodiment, in order to improve the stress characteristic and the motion stability of the device, the two ends of the connecting frame 41 are both provided with the guide seat and the guide rod, so that the telescopic mechanism 4 is supported more stably. As shown in fig. 1 and 2, the guide seat 421 includes a first guide seat 4211 and a second guide seat 4212 respectively located at two ends of the connecting frame 41; the guide rod 422 includes a first guide rod 4221 and a second guide rod 4222; the first guide rod 4221 is fixedly connected with the connecting frame 41 and slidably inserted into the first guide seat 4211, one end of the second guide rod 4222 is fixedly connected with the connecting frame 41 and slidably inserted into the second guide seat 4212, and the second guide rod 4222 is hinged to the driving unit 431.

In this embodiment, a sliding sleeve 4210 is fixedly arranged in the guide seat 421, the guide rod 422 is slidably arranged in the sliding sleeve 4210, the sliding sleeve 4210 is a carbon-based copper sleeve, so that the problem of lubrication between the guide rod and the guide seat is solved, and the cost is low.

In this embodiment, the number of the hinged seats 1 is four, and the two swing arms 2 on the same side of the two sides of the connecting frame 41 are arranged in parallel to form a stable parallel four-bar linkage mechanism, so that the swing arms 2 are always in a parallel state in the opening or tensioning working process of the tensioning device.

In this embodiment, two ends of the tensioning plate 3 are respectively provided with a limiting device 5 for limiting the limit position of the opening or tensioning of the wheel tensioning device, so as to protect the equipment.

In this embodiment, the driving unit 431 is a hydraulic cylinder.

In this embodiment, the wear-resisting plate is arranged on the side of the tension plate 3 contacting with the wheel, so that the wear-resisting performance of the tension plate 3 is improved, the surface is rough, the friction force between the tension plate 3 and the wheel is increased, and the wheel can be more reliably fixed.

The working principle is as follows: as shown in fig. 1 and fig. 2, when the wheel expansion device expands the wheel, the telescopic mechanism 4 retracts and drives the swing arms 2 at two sides of the connecting frame 41 to swing around the fixed hinged base 1, and the expansion plate 3 moves synchronously with the swing arms 2 and gradually contacts with the wheel. When the tension plate 3 is used for tensioning the wheel, the swing arms 2 on two sides of the connecting frame 41 are collinear pairwise and are perpendicular to the wheel contact surface of the tension plate, at the moment, the tension device is in a self-locking state, and the driving unit does not need to keep pressure all the time. When the tensioning state needs to be relieved, the telescopic mechanism 4 extends out and drives the swing arms 2 on the two sides of the connecting frame 41 to swing around the fixed and fixed hinged seat 1, the tensioning plate 3 synchronously moves along with the swing arms 2 and gradually moves away from the wheel to keep a certain distance, at the moment, the wheel tensioning device is in an open state, and the wheel recovers the running capability again.

The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a wheel rises and tightly installs, includes fixed articulated seat (1), articulated on articulated seat (1) have swing arm (2), swing arm (2) one end articulates there is tight board (3) that rises that is used for rising tight wheel, and the other end is equipped with bar spout (21), its characterized in that: the wheel tensioning device further comprises a telescopic mechanism (4), and the telescopic mechanism (4) comprises a connecting frame (41), a guide device (42) and a driving device (43); hinge lugs (411) are respectively arranged on two sides of the connecting frame (41), and sliding shafts (412) matched with the strip-shaped sliding grooves (21) penetrate through hinge holes of the hinge lugs (411); the guide device (42) comprises a fixed guide seat (421) and a guide rod (422) which is slidably arranged in the guide seat (421), and the guide rod (422) is fixedly connected with the connecting frame (41); the driving device (43) comprises a driving unit (431) and a fixed supporting seat (432), wherein one end of the driving unit (431) is hinged with the supporting seat (432), and the other end of the driving unit (431) is hinged with the guide rod (422).

2. The wheel tensioning device according to claim 1, wherein: the guide seat (421) comprises a first guide seat (4211) and a second guide seat (4212) which are respectively positioned at two ends of the connecting frame (41); the guide rod (422) comprises a first guide rod (4221) and a second guide rod (4222); the first guide rod (4221) is fixedly connected with the connecting frame (41) and slidably penetrates through the first guide seat (4211), one end of the second guide rod (4222) is fixedly connected with the connecting frame (41) and slidably penetrates through the second guide seat (4212), and the second guide rod (4222) is hinged to the driving unit (431).

3. The wheel tensioning device according to claim 1, wherein: a sliding sleeve (4210) is fixedly arranged in the guide seat (421), and the guide rod (422) penetrates through the sliding sleeve (4210) in a sliding manner.

4. The wheel tensioning device according to claim 3, wherein: the sliding sleeve (4210) is a carbon-based copper sleeve.

5. The wheel tensioning device according to claim 1, wherein: the number of the hinged seats (1) is four.

6. The wheel tensioning device according to claim 5, wherein: the two swing arms (2) on the same side of the two sides of the connecting frame (41) are arranged in parallel, so that the swing arms (2) are always in a parallel state in the opening or tensioning working process of the tensioning device.

7. The wheel tensioner as claimed in any one of claims 1 to 6, wherein: and two ends of the tensioning plate (3) are respectively provided with a limiting device (5) for limiting the opening or tensioning limit position of the wheel tensioning device.

8. The wheel tensioner as claimed in any one of claims 1 to 6, wherein: the driving unit (431) is any one of an electric push rod, an electro-hydraulic push rod, a hydraulic cylinder, a pneumatic cylinder, an electro-hydraulic pusher or an electric lead screw.

9. The wheel tensioner as claimed in any one of claims 1 to 6, wherein: and one side of the tensioning plate (3) contacting with the wheel is provided with a wear-resisting plate.