CN214245900U - A counterweight plate for engineering machine tool excavator - Google Patents
A counterweight plate for engineering machine tool excavator Download PDFInfo
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- CN214245900U CN214245900U CN202022701028.1U CN202022701028U CN214245900U CN 214245900 U CN214245900 U CN 214245900U CN 202022701028 U CN202022701028 U CN 202022701028U CN 214245900 U CN214245900 U CN 214245900U
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- shaped groove
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Abstract
The utility model relates to a counterweight plate for engineering machine tool excavator. The excavator comprises a cab, a swing mechanism, a crawler walking frame, a bucket and an oil tank, wherein a horizontal waist-shaped groove is formed in a counterweight plate, the waist-shaped groove facing the front side of the cab is arranged in an opening shape, the swing mechanism vertically penetrates through the waist-shaped groove, a penetrating groove is further formed in the counterweight plate, a plurality of locking bolts arranged at intervals are further included, each locking bolt penetrates through the corresponding penetrating groove to be connected with the lower surface of a support plate, the counterweight plate and the oil tank which are positioned below the oil tank are fixedly connected through a connecting piece, an air cylinder is arranged between the support plate and the oil tank, the counterweight plate and the support plate are arranged in a relative sliding connection mode, the position of the oil tank is adjusted through adjusting an air cylinder piston rod, the center of the whole device is changed, the penetrating groove is arranged to ensure that the counterweight plate and the oil tank can move in the horizontal direction, the stability is, has good practicability.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, especially, relate to a counterweight plate for engineering machine tool excavator.
Background
The patent with the name of a high-balance small excavator is disclosed in the existing Chinese patent database, the application number is CN201720136839.7, the application date is 20170215, the publication number is CN206800492U, the publication number is 20171226, the patent comprises a walking device, a base, a cab, a balancing weight and an excavating manipulator, the lower surface of the base is fixed on the walking device through a rotary disk structure, the cab, the balancing weight and the excavating manipulator are all arranged above the base, the lower surface of the base is positioned at two sides of the rotary disk structure and is provided with a screw rod structure and a sliding rail structure, the sliding rail structures at two sides are provided with movable balancing weights, the sides of the movable balancing weights are matched with the screw rod structure through a threaded sleeve structure and are driven to slide in the front and the back, the front end and the rear end of the walking device are provided with pressure sensors, and the pressure sensors are connected with the screw rod structure, The operation of the device is controlled, and the defects are that: the device is at the course of the work, and the regulation of balancing weight is less to the influence effect with the focus, can't carry out the change of focus position fast, has certain limitation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that there is the phenomenon of subversion in the current excavator for the engineering machine tool, and the reason is that the heavy object in the scraper bowl has influenced the focus of whole excavator, in order to improve its weak point, the utility model provides a counterweight plate for engineering machine tool excavator.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
a counterweight plate for an engineering machinery excavator, the excavator comprises a cab, a swing mechanism is connected to the lower surface of a supporting plate below the cab, the lower end of the swing mechanism is connected with a track walking frame, a bucket is arranged on the front side of the cab, an oil tank is arranged on the rear side of the cab, the counterweight plate is arranged between the supporting plate and the track walking frame, a horizontal waist-shaped groove is formed in the counterweight plate, the waist-shaped groove facing the front side of the cab is in an opening shape, the length direction of the waist-shaped groove is arranged along the front and rear direction of the excavator, the swing mechanism is vertically arranged in a through waist-shaped groove, a long strip-shaped through groove is further formed in the counterweight plate, the length direction of the through groove is consistent with the length direction of the waist-shaped groove, the counterweight plate further comprises a plurality of locking bolts arranged at intervals, and each locking bolt penetrates through the corresponding through groove to be connected with the lower surface of the supporting plate, the counterweight plate and the oil tank which are positioned right below the oil tank are fixedly connected through a connecting piece, an air cylinder is arranged between the supporting plate and the oil tank, the bottom of a cylinder barrel of the air cylinder is connected with the side face of the supporting plate, and the free end of a piston rod of the air cylinder is connected with the oil tank, so that the counterweight plate and the supporting plate are connected in a sliding mode.
The utility model discloses the during operation, when the focus of whole excavator needs to be changed, through the flexible volume of adjusting cylinder piston rod for cylinder piston rod drives oil tank and weight plate and removes on the horizontal direction, changes the position of oil tank, utilizes the weight of oil tank self as the counter weight, carries out centrobaric regulation, and waist type groove sets up simultaneously and dodges rotation mechanism effectively, and the setting that runs through the groove has guaranteed that weight plate and oil tank can move on the horizontal direction.
Compared with the prior art, the beneficial effects of the utility model are that: because the cooperation setting of weight plate, oil tank and driver's cabin, through the position of adjusting air cylinder piston rod adjustment oil tank to change the center of whole device, run through the setting in groove and guaranteed that weight plate and oil tank can move on the horizontal direction, improved stability, the device is applicable to in the industrial production, has good practicality.
And a thin plate is arranged below the counterweight plate positioned at each through groove, the length direction of the thin plate is consistent with that of the through groove, and each locking bolt sequentially penetrates through the corresponding thin plate and the corresponding through groove and is connected with the supporting plate. The arrangement of the thin plate improves the stability of the counterweight plate during movement.
Be provided with vertical rectangular frame on the weight plate that is located under the oil tank, the oil tank bottom is located the rectangular frame and sets up, the cylinder piston rod free end passes rectangular frame and is connected with the oil tank. The setting of rectangular frame makes to be connected more stably between oil tank and the weight plate.
An elastic rubber pad is attached to the inner surface of the waist-shaped groove.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the weight plate of fig. 1.
In the figure: the device comprises a cab 1, a supporting plate 2, a swing mechanism 3, a 4-crawler walking frame, a bucket 5, an oil tank 6, a weight plate 7, a waist-shaped groove 8, a through groove 9, a locking bolt 10, an air cylinder 11, a thin plate 12, a rectangular frame 13 and an elastic rubber pad 14.
Detailed Description
The technical solution of the present application will be further described and explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1-2, the weight plate for the construction machinery excavator comprises a cab 1, a rotation mechanism 3 is connected on the lower surface of a support plate 2 below the cab 1, a crawler walking frame 4 is connected at the lower end of the rotation mechanism 3, a bucket 5 is arranged at the front side of the cab 1, an oil tank 6 is arranged at the rear side of the cab 1, a weight plate 7 is arranged between the support plate 2 and the crawler walking frame 4, a horizontal waist-shaped groove 8 is formed in the weight plate 7, the waist-shaped groove 8 facing the front side of the cab 1 is arranged in an open shape, the length direction of the waist-shaped groove 8 is arranged along the front-rear direction of the excavator, the rotation mechanism 3 is vertically arranged to penetrate through the waist-shaped groove 8, an elongated penetrating groove 9 is further formed in the weight plate 7, the length direction of the penetrating groove 9 is consistent with the length direction of the waist-shaped groove 8, and a plurality of locking bolts 10 are arranged at intervals, each locking bolt 10 passes through the corresponding through groove 9 and is connected with the lower surface of the support plate 2, the counterweight plate 7 positioned under the oil tank 6 is fixedly connected with the oil tank 6 through a connecting piece, the air cylinder 11 is arranged between the support plate 2 and the oil tank 6, the bottom of the cylinder barrel of the horizontal air cylinder 11 is connected with the side surface of the support plate 2, and the free end of the piston rod of the air cylinder 11 is connected with the oil tank 6, so that the counterweight plate 7 and the support plate 2 are in relative sliding connection. A thin plate 12 is disposed below the weight plate 7 at each through slot 9, the longitudinal direction of the thin plate 12 is identical to the longitudinal direction of the through slot 9, and each locking bolt 10 passes through the corresponding thin plate 12 and the corresponding through slot 9 in sequence and is connected to the support plate 2. The arrangement of the thin plate 12 improves the smoothness of the movement of the weight plate 7. A vertical rectangular frame 13 is arranged on the counterweight plate 7 which is positioned right below the oil tank 6, the bottom of the oil tank 6 is positioned in the rectangular frame 13, and the free end of a piston rod of the air cylinder 11 penetrates through the rectangular frame 13 to be connected with the oil tank 6. The rectangular frame 13 is arranged to enable the connection between the oil tank 6 and the weight plate 7 to be more stable. An elastic rubber pad 14 is attached to the inner surface of the waist-shaped groove.
During operation, when the center of gravity of the whole excavator needs to be changed, the telescopic amount of the piston rod of the adjusting cylinder 11 is adjusted, the piston rod of the adjusting cylinder 11 drives the oil tank 6 and the counterweight plate 7 to move left and right in the horizontal direction, the position of the oil tank 6 is changed, the weight of the oil tank 6 is used as a counterweight, the center of gravity is adjusted, meanwhile, the rotation mechanism 3 is effectively avoided by the arrangement of the waist-shaped groove 8, and the counterweight plate 7 and the oil tank 6 are guaranteed to move in the horizontal direction by the arrangement of the penetrating groove 9.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (4)
1. The utility model provides a weight plate for engineering machine tool excavator, the excavator is connected with rotation mechanism including the driver's cabin on the backup pad lower surface of driver's cabin below, the rotation mechanism lower extreme is connected with track walking frame, the driver's cabin front side is provided with the scraper bowl, and the driver's cabin rear side is provided with oil tank, its characterized in that: a counterweight plate is arranged between the supporting plate and the crawler belt walking frame, a horizontal waist-shaped groove is arranged on the counterweight plate, the waist-shaped groove facing the front side of the cab is arranged in an opening shape, the length direction of the waist-shaped groove is arranged along the front and back direction of the excavator, the swing mechanism is vertically arranged to penetrate through the waist-shaped groove, the counterweight plate is also provided with a strip-shaped penetrating groove, the length direction of the through groove is consistent with that of the waist-shaped groove, and the waist-shaped groove comprises a plurality of locking bolts arranged at intervals, each locking bolt penetrates through the corresponding through groove to be connected with the lower surface of the supporting plate, the balance weight plate positioned right below the oil tank is fixedly connected with the oil tank through a connecting piece, an air cylinder is arranged between the supporting plate and the oil tank, the bottom of a cylinder barrel of the air cylinder is connected with the side face of the supporting plate horizontally, and the free end of a piston rod of the air cylinder is connected with the oil tank, so that the counterweight plate and the supporting plate are connected in a sliding mode.
2. The weight plate for a construction machine excavator according to claim 1, wherein: and a thin plate is arranged below the counterweight plate positioned at each through groove, the length direction of the thin plate is consistent with that of the through groove, and each locking bolt sequentially penetrates through the corresponding thin plate and the corresponding through groove and is connected with the supporting plate.
3. The weight plate for a construction machine excavator according to claim 2, wherein: be provided with vertical rectangular frame on the weight plate that is located under the oil tank, the oil tank bottom is located the rectangular frame and sets up, the cylinder piston rod free end passes rectangular frame and is connected with the oil tank.
4. A weight plate for a construction machine excavator according to any one of claims 1 to 3 wherein: an elastic rubber pad is attached to the inner surface of the waist-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022701028.1U CN214245900U (en) | 2020-11-20 | 2020-11-20 | A counterweight plate for engineering machine tool excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022701028.1U CN214245900U (en) | 2020-11-20 | 2020-11-20 | A counterweight plate for engineering machine tool excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214245900U true CN214245900U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022701028.1U Active CN214245900U (en) | 2020-11-20 | 2020-11-20 | A counterweight plate for engineering machine tool excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214245900U (en) |
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2020
- 2020-11-20 CN CN202022701028.1U patent/CN214245900U/en active Active
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