阅读说明：本技术 一种建筑施工用挖掘机及其挖掘方法 (excavator for building construction and excavating method thereof ) 是由 旷和明 于 2019-09-16 设计创作，主要内容包括：本发明涉及一种建筑施工用挖掘机及其挖掘方法。所述建筑施工用挖掘机包括挖掘组件与压持组件,所述挖掘组件包括动力臂、连接架、铲斗与油缸,所述铲斗转动地连接于所述动力臂的端部,所述油缸安装于所述动力臂上,并通过所述连接架与所述铲斗连接,以驱动所述铲斗实施挖掘作业,所述铲斗的端部设置有两个压持条,所述压持组件包括压持气缸与两个压持刀,所述压持气缸安装于所述动力臂上。所述建筑施工用挖掘机能够较好地压持物料。(The invention relates to an excavator for building construction and an excavating method thereof. Excavator for construction holds the subassembly including excavating the subassembly and pressing, it includes power arm, link, scraper bowl and hydro-cylinder to excavate the subassembly, the scraper bowl rotationally connect in the tip of power arm, the hydro-cylinder install in on the power arm, and pass through the link with the scraper bowl is connected, in order to drive the excavation operation is implemented to the scraper bowl, the tip of scraper bowl is provided with two presses and holds the strip, press to hold the subassembly including pressing and hold cylinder and two presses and hold the sword, press to hold the cylinder install in on the power arm. The excavator for building construction can better press and hold materials.)

1. The utility model provides an excavator for construction, its characterized in that holds the subassembly with pressing including excavating the subassembly, it includes power arm, link, scraper bowl and hydro-cylinder to excavate the subassembly, the scraper bowl rotationally connect in the tip of power arm, the hydro-cylinder install in on the power arm, and pass through the link with the scraper bowl is connected, in order to drive the excavation operation is implemented to the scraper bowl, the tip of scraper bowl is provided with two and presses and hold the strip, press and hold the subassembly including pressing and hold cylinder and two and press and hold the sword, press and hold the cylinder install in on the power arm, two press and hold the sword rotationally connect in on the power arm, and all with press and hold the cylinder and connect, two press and hold the strip be used for the overlap joint in on two press and hold the sword to the operation is held in the cooperation implementation.

2. The excavator for construction according to claim 1 wherein the link includes two first arched strips and two second arched strips, the two first arched strips are connected to the power arm, and the two second arched strips are connected to the bucket.

3. The excavator for construction according to claim 2, wherein the link frame further includes a pivot shaft, opposite ends of the pivot shaft are respectively connected to end portions of the two second arched strips, and the output shaft of the cylinder is vertically connected to a middle portion of the pivot shaft.

4. The excavator for construction according to claim 3, wherein the ends of the two first arched strips remote from the power arm are rotatably connected to opposite ends of the pivot shaft, respectively, and a plurality of recesses are recessed in edges of the first arched strips.

5. The excavator for construction according to claim 4, wherein the bucket includes two side wings and an arched bottom plate, the two side wings are respectively installed at opposite sides of the arched bottom plate, and bottoms of the two side wings protrude from a bottom of the arched bottom plate.

6. The excavator for building construction according to claim 5, wherein the bucket further comprises a plurality of shoveling teeth, the shoveling teeth are convexly arranged on one side edge of the arched bottom plate far away from the power arm, the shoveling teeth are arranged at intervals, and a mounting gap is formed between every two adjacent shoveling teeth.

7. The excavator for construction according to claim 6, wherein the pressing and holding assembly further includes a rotating motor and a rotating shaft, the rotating motor is mounted on one of the side wings, and the rotating shaft is connected to an output shaft of the rotating motor and is inserted into the plurality of teeth.

8. The excavator for construction according to claim 7, wherein the two holding-down bars are fixed to the rotating shaft and are respectively disposed in two of the mounting gaps.

9. An excavating method of an excavator for construction work according to claim 8, comprising the steps of:

Driving the power arm to move so as to drive the bucket to a material position;

The oil cylinder drives the bucket to rotate through the connecting frame so as to implement excavation operation; and

When the stone got into in the scraper bowl, the pressure is held the cylinder drive two are pressed and are held the sword rotation with the butt on the stone, two are pressed and are held the strip overlap joint in two are pressed and are held the sword on to the cooperation is implemented and is pressed and hold the operation.

10. The excavating method of an excavator for construction use according to claim 9, wherein an escape space is formed between the two side wings, and the escape space is located at a bottom of the arched bottom plate.

Technical Field

The invention relates to an excavator for building construction and an excavating method thereof.

Background

During construction, an excavator is often used, and the excavator generally uses a bucket to dig earth or a blade to doze earth. For example, when a large stone block needs to be moved, the stone block can be pressed and held in the bucket by the bucket and the two pressing and holding knives fitted thereto, and then the moving operation can be performed. However, the length of the pressing knife is limited, so that materials such as stone blocks cannot be pressed well.

Disclosure of Invention

Accordingly, there is a need for an excavator for construction and an excavating method thereof that can hold a material in a relatively stable manner.

The utility model provides an excavator for construction, holds the subassembly including excavating the subassembly and pressing, it includes power arm, link, scraper bowl and hydro-cylinder to excavate the subassembly, the scraper bowl rotationally connect in the tip of power arm, the hydro-cylinder install in on the power arm, and pass through the link with the scraper bowl is connected, in order to drive the excavation operation is implemented to the scraper bowl, the tip of scraper bowl is provided with two and presses and hold the strip, press to hold the subassembly including pressing and hold cylinder and two and press and hold the sword, press to hold the cylinder install in on the power arm, two press to hold the sword rotationally connect in on the power arm, and all with press to hold the cylinder and connect, two press to hold the strip be used for the overlap joint in on two press and hold the sword to the operation is held in the cooperation implementation.

In one embodiment, the link frame includes two first arched bars each connected to the power arm and two second arched bars each connected to the bucket.

in one embodiment, the connecting frame further comprises a pivot, two opposite ends of the pivot are respectively connected to the ends of the two second arched strips, and the output shaft of the oil cylinder is vertically connected to the middle of the pivot.

In one embodiment, the ends of the two first arched strips, which are far away from the power arm, are respectively and rotatably connected to two opposite ends of the pivot, and the edges of the first arched strips are concavely provided with a plurality of concave parts.

In one embodiment, the bucket includes two side wings and an arched bottom plate, the two side wings are respectively installed on two opposite sides of the arched bottom plate, and the bottoms of the two side wings protrude out of the bottom of the arched bottom plate.

In one embodiment, the bucket further comprises a plurality of relieving teeth, the relieving teeth are convexly arranged on the edge of one side of the arched bottom plate, which is far away from the power arm, the relieving teeth are arranged at intervals, and an installation gap is formed between every two adjacent relieving teeth.

In one embodiment, the pressing and holding assembly further includes a rotating motor and a rotating shaft, the rotating motor is mounted on one of the side wings, and the rotating shaft is connected to an output shaft of the rotating motor and penetrates through the plurality of teeth.

In one embodiment, the two holding bars are fixed on the rotating shaft and are respectively arranged in two of the mounting gaps.

An excavating method of the excavator for building construction as described above includes the steps of:

Driving the power arm to move so as to drive the bucket to a material position;

The oil cylinder drives the bucket to rotate through the connecting frame so as to implement excavation operation; and

When the stone got into in the scraper bowl, the pressure is held the cylinder drive two are pressed and are held the sword rotation with the butt on the stone, two are pressed and are held the strip overlap joint in two are pressed and are held the sword on to the cooperation is implemented and is pressed and hold the operation.

In one embodiment, an avoidance space is formed between the two side wings, and the avoidance space is positioned at the bottom of the arched bottom plate.

When the excavator for building construction is used, the power arm drives the bucket to align with materials, and the oil cylinder drives the bucket to rotate so as to implement excavation operation. When there is massive stone, the pressure is held the cylinder drive two pressure and is held the sword and press on the stone to utilize the scraper bowl with the scraper bowl centre gripping stone, even a pressure is held the strip and is used for supplementary centre gripping, and be used for lapping in two pressure are held the sword, in order to cooperate implementation pressure to hold the operation. Through setting up two holding strip, can support tight stone better, thereby make the excavator can better hold materials such as stone.

drawings

Fig. 1 is a perspective view schematically illustrating an excavator for construction according to an embodiment.

Fig. 2 is a perspective view of the excavator for construction shown in fig. 1 from another perspective.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Fig. 4 is a partially enlarged view of fig. 1 at B.

Fig. 5 is a flowchart illustrating a procedure of an excavating method of the excavator for construction according to the embodiment.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

the invention relates to an excavator for building construction. For example, the excavator for building construction comprises an excavating component and a pressing component, wherein the excavating component comprises a power arm, a connecting frame, a bucket and an oil cylinder. For example, the bucket is pivotally connected to an end of the power arm, and the cylinder is attached to the power arm and connected to the bucket via the link to drive the bucket to perform an excavating operation. For example, two pressing strips are arranged at the end part of the bucket, the pressing assembly comprises a pressing air cylinder and two pressing knives, and the pressing air cylinder is installed on the power arm. For example, the two pressing blades are rotatably connected to the power arm and are both connected to the pressing cylinder, and the two pressing strips are used for being lapped on the two pressing blades to cooperatively implement pressing operation.

Referring to fig. 1 and 2, an excavator for construction includes an excavating component 10 and a pressing component 20, the excavating component 10 comprises a power arm 11, a connecting frame 12, a bucket 13 and an oil cylinder 14, the bucket 13 is rotatably connected to an end of the power arm 11, the cylinder 14 is mounted on the power arm 11 and connected to the bucket 13 through the connecting bracket 12, to drive the bucket 13 to perform a digging operation, two holding bars 15 are provided at the end of the bucket 13, the pressing and holding assembly 20 comprises a pressing and holding cylinder 21 and two pressing and holding knives 23, the pressing and holding cylinder 21 is installed on the power arm 11, the two pressing and holding knives 23 are rotationally connected to the power arm 11, and are both connected with the pressing cylinder 21, and the two pressing strips 15 are used for being lapped on the two pressing knives 23 to cooperate to implement the pressing operation.

For example, when the excavator for construction is used, the power arm 11 drives the bucket 13 to align with a material, and the cylinder 14 drives the bucket 13 to rotate to perform an excavating operation. When a large stone exists, the pressing cylinder 21 drives the two pressing blades 23 to press and hold the stone, so that the bucket 13 and the bucket 13 are used for clamping the stone, and the pressing strip 15 is used for assisting in clamping and is used for lapping the two pressing blades 23 to cooperate with each other to implement pressing and holding operation. Through setting up two holding strip 15, can support tight stone better to make the excavator can better hold materials such as stone.

for example, in order to facilitate the rotation of the bucket 13, the connecting bracket 12 comprises two first arched strips 121 and two second arched strips 122, the two first arched strips 121 being connected to the power arm 11, and the two second arched strips 122 being connected to the bucket 13. The connecting frame 12 further includes a pivot shaft 123, opposite ends of the pivot shaft 123 are respectively connected to the ends of the two second arched strips 122, and the output shaft of the cylinder 14 is vertically connected to the middle of the pivot shaft 123. The ends of the two first arched strips 121 far away from the power arm 11 are respectively and rotatably connected to the opposite ends of the pivot shaft 123, and a plurality of recesses 1215 are concavely formed on the edges of the first arched strips 121. By arranging the two first arched strips 121 and the two second arched strips 122, a link mechanism can be formed, and the bucket 13 can be driven to rotate by driving the connecting frame 12 with the oil cylinder 14.

for example, in order to facilitate the installation of the two holding bars 15, the bucket 13 includes two side wings 131 and an arched bottom plate 132, the two side wings 131 are respectively installed on two opposite sides of the arched bottom plate 132, and the bottoms of the two side wings 131 protrude from the bottom of the arched bottom plate 132. The bucket 13 further comprises a plurality of relieving teeth 133, the relieving teeth 133 are convexly arranged on the edge of one side, away from the power arm 11, of the arched bottom plate 132, the relieving teeth 133 are arranged at intervals, and an installation gap 134 is formed between every two adjacent relieving teeth 133. The pressing and holding assembly 20 further includes a rotating motor 24 and a rotating shaft 25, the rotating motor 24 is installed on one of the side wings 131, and the rotating shaft 25 is connected to an output shaft of the rotating motor 24 and is disposed on the plurality of teeth 133 in a penetrating manner. The two holding-down strips 15 are both fixed on the rotating shaft 25 and are respectively arranged in two of the mounting gaps 134. An avoidance space 138 is formed between the two side wings 131, and the avoidance space 138 is located at the bottom of the arched bottom plate 132. For example, by providing the two mounting gaps 134, the two holding down strips 15 are easily mounted. And the rotating motor 24 is arranged, so that the holding strip 15 is conveniently driven to rotate.

for example, it is particularly important to refer to fig. 3 and fig. 4, a guide frame 30 and a blocking frame 38 are arranged on the power arm 11, the guide frame 30 extends along the length direction of the power arm 11, the guide frame 30 includes a bottom plate 31 and guide side plates 32 protruding from two opposite sides of the bottom plate 31, strip-shaped guide grooves 325 are respectively formed on the two guide side plates 32, the blocking frame 38 is fixed to the end of the guide frame 30, the blocking frame 38 includes two arc-shaped pieces 381, and a passing gap 383 is formed between the two arc-shaped pieces 381. The pressing and holding assembly 20 further includes a sliding body 26, a rolling shaft 27 and a driving frame 28, wherein the sliding body 26 is connected to the output shaft of the pressing and holding cylinder 21 and is slidably disposed in the guiding frame 30. Two opposite sides of the sliding body 26 are respectively provided with two sliding wings 261 in a protruding manner, the two sliding wings 261 are respectively and slidably attached to the two guiding side plates 32, and two opposite ends of the rolling shaft 27 are respectively inserted into the two sliding wings 261 and respectively inserted into the strip-shaped guiding grooves 325 of the two guiding side plates 32. The driving rack 28 includes a first rotating shaft 281, a second rotating shaft 282 and a driving post 283, the first rotating shaft 281 rotatably abuts against the rolling shaft 27, opposite ends of the first rotating shaft 281 are respectively inserted into the strip-shaped guiding slots 325 of the two guiding side plates 32, one end of the first driving post 283 is vertically connected to the middle of the first rotating shaft 281, the other end of the first driving post is vertically connected to the middle of the second rotating shaft 282, and opposite ends of the second rotating shaft 282 are respectively and vertically and fixedly connected to the two pressing blades 23. The pressing cylinder 21 pushes the rolling shaft 27 and the first rotating shaft 281 to move along the guide frame 30, so that the driving frame 28 drives the two pressing knives 23 to rotate and press on the stone. Through the arrangement of the guide frame 30, the transverse pushing of the pressing cylinder 21 is changed into the rotation motion of the driving frame 28 driving the two pressing knives 23, so that the pressing operation is more convenient.

For example, in order to facilitate the two pressing strips 15 and the two pressing blades 23 to be matched with each other, an arc-shaped splitting groove 231 is formed in the pressing blade 23, the arc-shaped splitting groove 231 extends along an arc line, so that an arc-shaped clamping strip 235 is formed at the upper portion of the pressing blade 23, the pressing assembly 20 further includes a linkage rod 29, and two opposite ends of the linkage rod 29 are respectively inserted into the two arc-shaped splitting grooves 231 and are respectively and vertically fixed with the two arc-shaped clamping strips 235. A rotating support frame 40 is further arranged between the two pressing knives 23, the rotating support frame 40 is rotatably arranged on the side walls of the two pressing knives 23, and the rotating support frame 40 comprises two support plate bodies 41 which are fixedly connected with each other at an obtuse angle. The linkage rod 29 is connected to the edge of one of the abutting plate bodies 41 far away from the guide frame 30. The pressing assembly 20 further includes a pushing body 22, the pushing body 22 includes a rectangular block body 221, a connecting shaft 222 and a pushing rod 223, the rectangular block body 221 is slidably disposed in the guide frame 30, one side edge of the rectangular block body 221 abuts against one side of the first rotating shaft 281 far away from the rolling shaft 27, an arc-shaped body is convexly disposed on the other side of the rectangular block body 221, the shape of the arc-shaped body matches with the inner peripheral surface of the blocking frame 38, the connecting shaft 222 is coaxially fixed in the middle of the arc-shaped body, opposite ends of the connecting shaft 222 are respectively inserted into the bar-shaped guide grooves 325 of the two guide side plates 32, one end of the pushing rod 223 is vertically fixed in the middle of the arc-shaped body and inserted into the passing gap 383 of the blocking frame 38. The middle part of the pushing and supporting rod 223 is supported at the bottom of the passing gap 383, and the other end of the pushing and supporting rod 223 is supported on the supporting plate body 41 on the side of the rotating and supporting frame 40 far away from the linkage rod 29.

For example, for a smaller stone block, the pressing cylinder 21 pushes the rolling shaft 27 and the first rotating shaft 281 to move along the guiding frame 30, so that the driving frame 28 drives the two pressing blades 23 to rotate and press on the stone block, at the same time, the first rotating shaft 281 pushes the rectangular block body 221 to move, so that the arc-shaped body of the rectangular block body 221 moves toward the blocking frame 38, meanwhile, the pushing and supporting rod 223 is driven to push and support the corresponding supporting plate 41, so that the rotating and supporting frame 40 rotates to drive the linkage rod 29 to be far away from the power arm 11, the two arc-shaped clamping strips 235 are forced to generate flexible warping to open the arc-shaped splitting groove 231, so that the two pressing strips 15 can respectively rotate into the two arc-shaped splitting grooves 231, and then the two pressing knives 23 and the two pressing strips 15 can be used for pressing and holding the stone block together. Through setting up rotate support 40, keep off and establish frame 38 and two arc centre gripping strips 235, and then can comparatively conveniently centre gripping less stone. For larger stones, the curved clamping strip 235 and the holding strip 15 can only be clamped from two sides and cannot be closed to each other.

For example, referring to fig. 5, an excavating method of the excavator for building construction includes the following steps:

in step S101, the power arm 11 is driven to move to drive the bucket 13 to a material place;

In step S102, the oil cylinder 14 drives the bucket 13 to rotate via the connecting frame 12 to perform an excavating operation; and

In step S103, when the stone enters the bucket 13, the pressing cylinder 21 drives the two pressing blades 23 to rotate to abut against the stone, and the two pressing strips 15 are connected to the two pressing blades 23 to cooperate with each other to perform the pressing operation.

For example, thereafter, the excavation method further includes the steps of:

In step S104, the first rotating shaft 281 pushes the rectangular block body 221 to move, so that the arc-shaped body of the rectangular block body 221 moves toward the blocking frame 38, and simultaneously drives the pushing rod 223 to push the corresponding abutting plate 41, so that the rotating abutting frame 40 rotates to drive the linkage rod 29 to move away from the power arm 11, so as to force the two arc-shaped clamping strips 235 to generate flexible warpage to open the arc-shaped splitting grooves 231, the rotating motor 24 drives the two pressing strips 15 to respectively rotate into the two arc-shaped splitting grooves 231, and the two pressing blades 23 and the two pressing strips 15 are used to press and hold the stone together.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.