CN215705513U - Wheel type highway-railway dual-purpose excavator - Google Patents
Wheel type highway-railway dual-purpose excavator Download PDFInfo
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- CN215705513U CN215705513U CN202120759912.2U CN202120759912U CN215705513U CN 215705513 U CN215705513 U CN 215705513U CN 202120759912 U CN202120759912 U CN 202120759912U CN 215705513 U CN215705513 U CN 215705513U
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Abstract
The utility model relates to a wheel type highway-railway dual-purpose excavator, and belongs to engineering machinery. The technical scheme adopted by the utility model is as follows: the excavator comprises an excavator body and a wheel type chassis, wherein the front part and the rear part of the wheel type chassis are respectively provided with a track guide structure, the track guide structure comprises paired guide wheels, a lifting hydraulic cylinder and a downward-extending swing arm, the lifting hydraulic cylinder drives the guide wheels to lift, a wheel shaft is arranged between the paired guide wheels, hydraulic drive motors driving the guide wheels are arranged at the two ends of the wheel shaft, the wheel shaft is arranged at the tail ends of the downward-extending swing arms, the downward-extending swing arms are fixed on the wheel type chassis, the end parts of extension rods of the lifting hydraulic cylinder are hinged to the middle parts of the downward-extending swing arms, and cylinder bodies of the lifting hydraulic cylinder are hinged to the wheel type chassis. The utility model has the advantages that: the device can be operated on the road surface of a highway and can also be operated on the road surface of a railway; the vehicle can run on a road and a railway. The wheel type excavator can be transformed on the existing wheel type excavator to achieve the use of the railway environment of the existing equipment, and the transformation cost is low.
Description
Technical Field
The utility model relates to a wheel type highway-railway dual-purpose excavator, and belongs to rail transit construction equipment.
Background
On the implementation site of the track traffic facility, construction needs to be carried out by an excavator for a plurality of engineering contents, for example, ballast below a track in a small range needs to be leveled or replaced, and a part of sleepers needs to be replaced, so that large engineering machinery is needed for operation.
Because the land base of the track site is narrow, the excavator with the conventional track structure can not carry out site operation, and can only operate on two sides of the railway ballast even if the excavator works on the site, thereby avoiding the track bending caused by the extrusion of the railway ballast stones. The existing dual-purpose equipment for various rails and roads needs to be improved on the existing excavator equipment so as to adapt to two working modes of rail and common ground running operation.
Disclosure of Invention
The utility model provides a wheel type highway-railway dual-purpose excavator, which reduces the influence caused by track traffic site excavation operation and realizes efficient track site excavation operation.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the wheel type highway-railway dual-purpose excavator comprises an excavator body and a wheel type chassis, wherein the front part and the rear part of the wheel type chassis are respectively provided with a track guide structure, the track guide structure comprises paired guide wheels, a lifting hydraulic cylinder for driving the guide wheels to lift and a downward-extending swing arm, a wheel shaft is arranged between the paired guide wheels, hydraulic driving motors for driving the guide wheels are arranged at the two ends of the wheel shaft, the wheel shaft is arranged at the tail ends of the downward-extending swing arms, the downward-extending swing arms are fixed on the wheel type chassis, the end parts of extension rods of the lifting hydraulic cylinder are hinged to the middle parts of the downward-extending swing arms, and the cylinder bodies of the lifting hydraulic cylinder are hinged to the wheel type chassis.
Preferably, the front track guide structure is positioned in front of the wheel chassis and in the middle of the two front rubber wheels, and the rear track guide structure is positioned behind the wheel chassis and in the middle of the two rear rubber wheels.
Preferably, the lifting device further comprises a guide frame, the fixed end of the downward-extending swing arm is hinged to the guide frame, the cylinder body of the lifting hydraulic cylinder is hinged to the guide frame, and the guide frame is fixed on the wheel type chassis.
Preferably, the end part of an extension rod of the lifting hydraulic cylinder penetrates through a hinge shaft on the lower extension swing arm to be provided with an anti-falling limit, a spring limit is arranged behind the end part of the extension rod of the lifting hydraulic cylinder, and a buffer spring is sleeved on the extension rod of the lifting hydraulic cylinder and is positioned between the spring limit and the hinge shaft.
Preferably, protruding hinged fixing plates are arranged on two sides of the front side face of the guide frame, a horizontal hydraulic cylinder fixing body is arranged on the upper portion of each hinged fixing plate, the bottom of a cylinder body of the lifting hydraulic cylinder is hinged to the hydraulic cylinder fixing body, and the rear end of the downward extending swing arm is hinged to the hinged fixing plates.
Preferably, the hinged fixing plates are arranged in pairs, the hydraulic cylinder fixing bodies are arranged between the hinged fixing plates in pairs, and the rear ends of the downward extending swing arms are hinged between the hinged fixing plates in pairs.
The utility model has the advantages that: the device can be operated on the road surface of a highway and can also be operated on the road surface of a railway; the vehicle can run on a road and a railway. The wheel type excavator can be transformed on the existing wheel type excavator to achieve the use of the railway environment of the existing equipment, and the transformation cost is low.
Drawings
Figure 1 is a perspective view of the present invention,
figure 2 is a side view of the present invention,
figure 3 is a perspective view of the track guide structure of the present invention,
figure 4 is a side view of the track guide structure of the present invention,
figure 5 is another side view of the track guide structure of the present invention,
reference numerals: 1. the excavator comprises an excavator body, 2, a wheel type chassis, 3, rubber wheels, 4, guide wheels, 5, a lifting hydraulic cylinder, 6, a downward extending swing arm, 7, a wheel shaft, 8, a hydraulic drive motor, 9, a buffer spring, 10, an anti-falling limit, 11, a spring limit, 12, a hinged fixing plate, 13, a hydraulic cylinder fixing body, 14, a front rail guide structure, 15, a rear front rail guide structure and 16 guide frames.
Detailed Description
The following further describes the specific structure of the present invention
As shown in fig. 1 and 2, the wheel type highway-railway dual-purpose excavator comprises: a wheel type highway-railway dual-purpose excavator comprises an excavator body 1 and a wheel type chassis 2.
The front part and the rear part of the wheel type chassis 2 are respectively provided with a track guide structure, the front track guide structure is positioned in front of the wheel chassis and in the middle of the two rubber wheels 3 at the front part, and the track guide structure at the rear part is positioned behind the wheel chassis and in the middle of the two rubber wheels 3 at the rear part.
The rail guide structure is shown in fig. 3 and comprises paired guide wheels 4, a lifting hydraulic cylinder 5 and a downward-extending swing arm 6, wherein the lifting hydraulic cylinder 5 drives the guide wheels 4 to ascend and descend, a wheel shaft 7 is arranged between the paired guide wheels 4, hydraulic drive motors 8 for driving the guide wheels 4 are arranged at two ends of the wheel shaft 7, the wheel shaft 7 is arranged at the tail end of the downward-extending swing arm 6, the end part of an extension rod of the lifting hydraulic cylinder 5 penetrates through a hinged shaft on the downward-extending swing arm 6 to be provided with an anti-disengaging limit 10, a spring limit 11 is arranged behind the end part of the extension rod of the lifting hydraulic cylinder 5, and a buffer spring 9 is sleeved on the extension rod of the lifting hydraulic cylinder 5 and is positioned between the spring limit 11 and the hinged shaft.
The downward-extending swing arm 6 is fixed on the wheel-type chassis 2, the end part of an extending rod of the lifting hydraulic cylinder 5 is hinged to the middle part of the downward-extending swing arm 6, and the cylinder body of the lifting hydraulic cylinder 5 is hinged to the wheel-type chassis 2.
In a further design, a guide frame is arranged on the wheel type chassis 2, the fixed end of the downward extending swing arm 6 is hinged on the guide frame, the cylinder body of the lifting hydraulic cylinder 5 is hinged on the guide frame, and the guide frame is fixed on the wheel type chassis 2. The two sides of the front side surface of the guide frame are provided with protruding hinged fixing plates 12, the upper parts of the hinged fixing plates 12 are provided with horizontal hydraulic cylinder fixing bodies, the bottoms of the cylinder bodies of the lifting hydraulic cylinders 5 are hinged to the hydraulic cylinder fixing bodies, and the rear ends of the downward extending swing arms 6 are hinged to the hinged fixing plates 12. The hinged fixing plates 12 are arranged in pairs, the hydraulic cylinder fixing bodies are arranged between the hinged fixing plates 12 in pairs, and the rear ends of the downward extending swing arms 6 are hinged between the hinged fixing plates 12 in pairs.
Two kinds of mode of this practicality:
1. in the highway mode, rubber wheels are used for driving, guide wheels are lifted, and the rubber wheels are used for walking on the highway;
2. and (3) conversion of male and female parts: the wheel type highway and railway dual-purpose excavator walks to a railway and highway level crossing, and when a rubber wheel of a vehicle is aligned with the direction of a track, a guide wheel falls down to be converted into a railway mode;
3. and in the railway steel wheel guiding mode, the guide wheel falls on the surface of the steel rail, and the guide wheel is used for guiding and the rubber wheel is used for driving to walk.
The utility model can be operated on the road surface of a highway and can also be operated on the road surface of a railway; the vehicle can run on a road and a railway. The wheel type excavator can be transformed on the existing wheel type excavator to achieve the use of the railway environment of the existing equipment, and the transformation cost is low.
Claims (6)
1. The utility model provides a wheeled highway dual-purpose excavator, includes excavator organism (1) and wheeled chassis (2), characterized by, the front portion and the rear portion of wheeled chassis (2) are equipped with track guide structure respectively, and this track guide structure includes mated leading wheel (4), hydraulic cylinder (5) and the swing arm (6) that stretches down that drive leading wheel (4) go up and down, establish shaft (7) between leading wheel (4) in pairs, hydraulic drive motor (8) of drive leading wheel (4) are established at both ends in shaft (7), and shaft (7) set up the end of swing arm (6) that stretches down, and on swing arm (6) are fixed in wheeled chassis (2) to stretching down, the extension bar tip of hydraulic cylinder (5) is articulated to be connected in the middle part of swing arm (6) that stretches down, and the cylinder body of hydraulic cylinder (5) articulates in wheeled chassis (2).
2. A wheeled road-railway excavator according to claim 1 wherein the front track guide structure is located in front of the wheel chassis and in the middle of the front two rubber wheels (3) and the rear track guide structure is located behind the wheel chassis and in the middle of the rear two rubber wheels (3).
3. A wheel type highway and railway dual-purpose excavator according to claim 1, characterized by further comprising a guide frame, wherein the fixed end of the downward extending swing arm (6) is hinged on the guide frame, the cylinder body of the lifting hydraulic cylinder (5) is hinged on the guide frame, and the guide frame is fixed on the wheel type chassis (2).
4. The wheel type highway and railway dual-purpose excavator of claim 1, wherein the end part of the extending rod of the lifting hydraulic cylinder (5) penetrates through a hinge shaft on the downward extending swing arm (6) to form an anti-falling limit (10), a spring limit (11) is arranged behind the end part of the extending rod of the lifting hydraulic cylinder (5), and the buffer spring (9) is sleeved on the extending rod of the lifting hydraulic cylinder (5) and is positioned between the spring limit (11) and the hinge shaft.
5. A wheel type highway and railway dual-purpose excavator according to claim 3, wherein two sides of the front side surface of the guide frame are provided with protruded hinge fixing plates (12), the upper parts of the hinge fixing plates (12) are provided with horizontal hydraulic cylinder fixing bodies, the bottoms of the cylinder bodies of the lifting hydraulic cylinders (5) are hinged with the hydraulic cylinder fixing bodies, and the rear ends of the downward extending swing arms (6) are hinged with the hinge fixing plates (12).
6. A wheel type road and railway excavator according to claim 5, wherein the hinged fixing plates (12) are arranged in pairs, the hydraulic cylinder fixing bodies are arranged between the hinged fixing plates (12) in pairs, and the rear ends of the downward extending swing arms (6) are hinged between the hinged fixing plates (12) in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120759912.2U CN215705513U (en) | 2021-04-14 | 2021-04-14 | Wheel type highway-railway dual-purpose excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120759912.2U CN215705513U (en) | 2021-04-14 | 2021-04-14 | Wheel type highway-railway dual-purpose excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215705513U true CN215705513U (en) | 2022-02-01 |
Family
ID=80028993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120759912.2U Active CN215705513U (en) | 2021-04-14 | 2021-04-14 | Wheel type highway-railway dual-purpose excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215705513U (en) |
-
2021
- 2021-04-14 CN CN202120759912.2U patent/CN215705513U/en active Active
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