CN211167149U - Chassis capable of adjusting gravity center of whole machine - Google Patents
Chassis capable of adjusting gravity center of whole machine Download PDFInfo
- Publication number
- CN211167149U CN211167149U CN201922446742.8U CN201922446742U CN211167149U CN 211167149 U CN211167149 U CN 211167149U CN 201922446742 U CN201922446742 U CN 201922446742U CN 211167149 U CN211167149 U CN 211167149U
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- cantilever
- swing
- chassis
- middle frame
- sliding block
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- 230000005484 gravity Effects 0.000 title claims abstract description 12
- 230000009471 action Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 19
- 230000008901 benefit Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a chassis capable of adjusting the gravity center of the whole machine, which comprises an intermediate frame, two track beams, a pushing oil cylinder and a slide block, wherein two sides of one end of the intermediate frame are respectively provided with a swinging cantilever A, two sides of the other end of the intermediate frame are respectively provided with a swinging cantilever B, and two ends of the two swinging cantilevers A and the two swinging cantilevers B are respectively hinged with the track beams and the intermediate frame; the end of the cylinder body of the pushing oil cylinder is connected with one end of the middle frame, which is used for being connected with the swing cantilever A, and the end of the piston rod of the pushing oil cylinder is connected with the sliding block; and a connecting rod is arranged between the two swing cantilevers A and the sliding block respectively. The utility model discloses a flexible of promotion hydro-cylinder makes the slider slide to through the angle change of connecting the connecting rod on slider and swing cantilever A, realize track beam withdrawal transportation width, and realize the center retrusion of track in step, ingenious solution the work focus and transported centrobaric contradiction. The utility model discloses a chassis simple structure, simple to operate, it is with low costs.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a can adjust centrobaric chassis of complete machine.
Background
Rotary drilling rigs, long spiral drilling rigs, rock drilling rigs, various types of pile frames and the like are the most common pile foundation construction equipment. The method is widely applied to pile foundation construction of projects such as railways, expressways, bridges, ports, high-rise buildings and the like. The width of such equipment, for example, an excavator undercarriage, is related to the stability of the excavator, and in order to ensure the stability during the operation of the excavator, the width of the excavator undercarriage (the distance between the outermost sides of the two crawler belts) is generally larger than the width of the upper vehicle body. The wide chassis width also affects the trafficability of the excavator when ensuring its stability. When an excavator needs to pass through a passage with a limited width, the excavator often cannot pass through the passage because the width of the chassis is larger than the width of the passage.
In order to solve the problems, most chassis configured on the equipment in the market at present are inserted telescopic chassis, and the width of the chassis is controlled by using the telescopic of the oil cylinder so as to meet the conversion between the working width and the transportation width of the equipment. For example, utility model patent application No. 201811557518.X discloses an excavator chassis, which comprises an underframe and crawler beams positioned on the left and right sides of the underframe, wherein guide holes moving towards the left and right sides are arranged on the two sides of the underframe, and each side of the guide holes is arranged on the inner side of the crawler beam and is inserted into telescopic arms in the guide holes on the same side on the underframe, and the crawler beam is connected with a push hydraulic oil cylinder moving left and right. Although in the patent application, the telescopic arms on the crawler beams can be driven by the hydraulic oil cylinder to be telescopic in the guide holes, so that the width between the outer sides of the two crawler beams can be adjusted; however, after the chassis is connected to the equipment, because the connection between the turning point and the crawler beam is relatively fixed, that is, the width direction of the two crawlers can be adjusted, and the length direction of the two crawlers is fixed and unadjustable, the working gravity point of the equipment hanging working device, the gravity point of the equipment not hanging working device and the transportation gravity point are unadjustable, and when the width of the chassis is adjusted and reduced, the problem that the stability of the equipment is poor, such as one end is tilted, still exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can adjust centrobaric chassis of complete machine to solve the problem that proposes in the background art.
In order to achieve the above purpose, the utility model provides a chassis capable of adjusting the gravity center of the whole machine, which comprises an intermediate frame, two track beams arranged at two sides of the intermediate frame, a pushing oil cylinder for driving the two track beams to move inwards to narrow the distance between the two track beams to the transport width or move outwards to widen the distance between the two track beams to the working width, and a sliding block capable of moving along a sliding rail on the intermediate frame, wherein two swing cantilevers A are respectively arranged at two sides of one end of the intermediate frame, two swing cantilevers B are respectively arranged at two sides of the other end of the intermediate frame, and two ends of the two swing cantilevers A and two swing cantilevers B are respectively hinged with the track beams and the intermediate frame; the end of the cylinder body of the pushing oil cylinder is connected with one end, used for being connected with the swing cantilever A, of the middle frame, and the end of the piston rod of the pushing oil cylinder is connected with the sliding block, so that the sliding block can move in a direction close to the swing cantilever B and in a direction far away from the swing cantilever B, the chassis tends to be in a transportation width when the sliding block is close to the swing cantilever B, and the chassis tends to be in a working width when the sliding block is far away from the swing cantilever B; a connecting rod is arranged between each of the two swing cantilevers A and the sliding block; when the piston rod of the pushing oil cylinder extends out, the sliding block moves towards the middle frame along the sliding rail under the action of the pushing oil cylinder, the end, connected with the swing cantilever B, of the middle frame moves inwards in opposite directions, the connecting rod and the connecting part of the swing cantilever A are not located at the same position as the hinged part of the swing cantilever A and the middle frame, and the two connecting rods drive the two crawler beams to move inwards through the two swing cantilevers A and the two swing cantilevers B, so that the chassis is switched from the working width to the transportation width.
Preferably, the middle positions of the two swing cantilevers A facing to one side of the swing cantilever B are respectively provided with a first hinge seat; one end of the connecting rod is hinged with the first hinged seat corresponding to the swing cantilever, and the other end of the connecting rod is hinged with the sliding block.
Preferably, one end of the slide rail is located below the middle frame, and the other end of the slide rail extends out of the middle frame.
Preferably, the chassis further comprises a long fixed stay bar and a short fixed stay bar which can be selectively arranged; when the chassis is in a working position, a long fixed stay bar is arranged between the middle frame and the swinging cantilever B; when the chassis is in a transportation position, a short fixed stay bar is arranged between the middle frame and the swinging cantilever B.
Preferably, one end of the long fixed stay bar or the short fixed stay bar is connected with one end of the slide rail extending out of the middle frame, and the other end of the long fixed stay bar or the short fixed stay bar is hinged with the swing cantilever B.
Preferably, a second hinge seat is arranged at one side of the swing cantilever B, which is far away from the swing cantilever A, and at one end of the swing cantilever B, which is close to the crawler beam; the long fixed support rod or the short fixed support rod is connected with the swing cantilever B through the second hinged seat.
Preferably, the pushing oil cylinder is arranged below the middle frame; the slider sets up the below of slide rail.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a can adjust chassis of complete machine focus, including intermediate frame, two track roof beams, promotion hydro-cylinder and slider, the one end both sides of intermediate frame respectively are equipped with a swing cantilever A, the other end both sides of intermediate frame respectively are equipped with a swing cantilever B, the both ends of two swing cantilevers A and two swing cantilevers B are equallyd divide and are articulated with track roof beam and intermediate frame respectively and are connected; the end of the cylinder body of the pushing oil cylinder is connected with one end of the middle frame, which is used for being connected with the swing cantilever A, and the end of the piston rod of the pushing oil cylinder is connected with the sliding block; and a connecting rod is arranged between the two swing cantilevers A and the sliding block respectively. The utility model discloses a flexible of promotion hydro-cylinder makes the slider slide to through the angle change of connecting the connecting rod on slider and swing cantilever A, realize track beam withdrawal transportation width, and realize the center of track backward shift in step, ingenious solution pile frame chassis work focus and transportation centrobaric contradiction, adopt the utility model discloses an engineering machine tool transport state stability can be higher on chassis.
(2) The chassis of the utility model also comprises a long fixed stay bar and a short fixed stay bar which can be selectively arranged; when the chassis is in a working position, a long fixed stay bar is arranged between the middle frame and the swinging cantilever B; when the chassis is in the transportation position, a short fixed stay bar is arranged between the middle frame and the swinging cantilever B. The long fixed stay bar and the short fixed stay bar are reinforced fixed stay bars in working states and transportation states, the safety performance of the chassis is further guaranteed through the structure, and the reliability of products is improved.
(3) The utility model discloses a chassis has simple structure, simple to operate, and advantage that cost is low effectively improves the technical content of product, reduces product cost and cost of maintenance, improves work efficiency, product safe and reliable.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic structural view of the chassis capable of adjusting the gravity center of the whole machine of the present invention at a working position;
FIG. 2 is a schematic structural view of the chassis capable of adjusting the gravity center of the whole machine in a transportation position;
the device comprises a middle frame 1, a middle frame 1.1, a sliding rail 2, a track beam 3, a pushing oil cylinder 4, a sliding block 5, swing cantilevers A and 5.1, a first hinging seat 6, swing cantilevers B and 6.1, a second hinging seat 7, a connecting rod 8, a long fixed stay bar 9 and a short fixed stay bar.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1, the utility model discloses a can adjust centrobaric chassis of complete machine, including intermediate frame 1, set up in two track roof beams 2 of intermediate frame both sides, be used for driving two track roof beams and inwards remove and narrow the two between the two apart from to the transportation width or outwards remove and widen the two between the two apart from to the work width's push cylinder 3 and can follow the slider 4 that slide rail 1.1 on the intermediate frame removed.
Specifically, two sides of one end of the middle frame are respectively provided with a swinging cantilever A5, two sides of the other end of the middle frame are respectively provided with a swinging cantilever B6, two ends of the two swinging cantilevers A are respectively hinged with the track beam and the middle frame, and two ends of the two swinging cantilevers B are also respectively hinged with the track beam and the middle frame. The cylinder body end of the pushing oil cylinder 3 is connected with one end, used for being connected with the swing cantilever A, of the middle frame, the piston rod end of the pushing oil cylinder is connected with the sliding block, the sliding block can move in the direction close to the swing cantilever B and in the direction far away from the swing cantilever B, the chassis tends to the transportation width when the sliding block is close to the swing cantilever B, and the chassis tends to the working width when the sliding block is far away from the swing cantilever B. A connecting rod 7 is respectively arranged between the two swing cantilevers A and the sliding block; preferably, the middle positions of one sides of the two swing cantilevers A facing the swing cantilever B are respectively provided with a first hinge seat 5.1; one end of the connecting rod is hinged with the first hinge seat on the corresponding swing cantilever, and the other end of the connecting rod is hinged with the sliding block. When a piston rod of the pushing oil cylinder extends out, the sliding block moves towards the middle frame along the sliding rail to be used for moving towards one end connected with the swing cantilever B under the action of the pushing oil cylinder, the two connecting rods are used for moving inwards towards the opposite direction at one end connected with the swing cantilever A, the connecting position of the connecting rods and the swing cantilever A is not at the same position as the hinged position of the swing cantilever A and the middle frame, and the two swing cantilevers A and the two swing cantilevers B drive the two crawler beams to move inwards, so that the chassis is switched from the working width to the transportation width.
In a specific embodiment, one end of the slide rail 1.1 is positioned below the middle frame, and the other end of the slide rail extends out of the middle frame, and the structure is convenient for the oil cylinder to be pushed to have enough space to act.
In a specific embodiment, the chassis further comprises a long fixing support rod 8 and a short fixing support rod 9 which can be selectively arranged; when the chassis is in a working position, a long fixed stay bar is arranged between the middle frame and the swinging cantilever B; when the chassis is in the transportation position, a short fixed stay bar is arranged between the middle frame and the swinging cantilever B. Specifically, one end of the long fixed stay bar or the short fixed stay bar is connected with one end of the slide rail extending out of the middle frame, and the other end of the long fixed stay bar or the short fixed stay bar is hinged with the swinging cantilever B. A second hinge seat 6.1 is arranged at one side of the swing cantilever B, which is far away from the swing cantilever A, and at one end of the swing cantilever B, which is close to the crawler beam; the long fixed stay bar or the short fixed stay bar is connected with the swinging cantilever B through the second hinged seat. The long fixed stay bar and the short fixed stay bar are reinforced fixed stay bars in working states and transportation states, the safety performance of the chassis is further guaranteed through the structure, and the reliability of products is improved.
In a specific embodiment, the pushing oil cylinder is arranged below the middle frame; the sliding block is arranged below the sliding block; the structure is reasonable, and the interference to the work of other parts arranged on the middle frame can be avoided.
The chassis of the embodiment enables the sliding block to slide by pushing the oil cylinder to stretch and retract, achieves the retraction transportation width of the crawler beam by changing the angle of the connecting rod connected to the sliding block and the swing cantilever A, synchronously achieves the backward movement of the center of the crawler, and ingeniously solves the contradiction between the working gravity center and the transportation gravity center of the pile frame chassis. Specifically, when a piston rod of the pushing oil cylinder retracts, the crawler beam is unfolded and is in a working state; when the piston rod of the pushing oil cylinder retracts, the crawler beam retracts and is in a transportation state.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The chassis capable of adjusting the gravity center of the whole machine is characterized by comprising a middle frame (1), two crawler beams (2) arranged on two sides of the middle frame, a pushing oil cylinder (3) used for driving the two crawler beams to move inwards to narrow the distance between the two crawler beams to the transportation width or move outwards to widen the distance between the two crawler beams to the working width, and a sliding block (4) capable of moving along a sliding rail (1.1) on the middle frame, wherein two sides of one end of the middle frame are respectively provided with a swinging cantilever A (5), two sides of the other end of the middle frame are respectively provided with a swinging cantilever B (6), and two ends of the two swinging cantilevers A and two ends of the two swinging cantilevers B are respectively hinged with the crawler beams and the middle frame; the end of the cylinder body of the pushing oil cylinder is connected with one end, used for being connected with the swing cantilever A, of the middle frame, and the end of the piston rod of the pushing oil cylinder is connected with the sliding block, so that the sliding block can move in a direction close to the swing cantilever B and in a direction far away from the swing cantilever B, the chassis tends to be in a transportation width when the sliding block is close to the swing cantilever B, and the chassis tends to be in a working width when the sliding block is far away from the swing cantilever B; a connecting rod (7) is arranged between the two swing cantilevers A and the sliding block respectively; when the piston rod of the pushing oil cylinder extends out, the sliding block moves towards the middle frame along the sliding rail under the action of the pushing oil cylinder, the end, connected with the swing cantilever B, of the middle frame moves inwards in opposite directions, the connecting rod and the connecting part of the swing cantilever A are not located at the same position as the hinged part of the swing cantilever A and the middle frame, and the two connecting rods drive the two crawler beams to move inwards through the two swing cantilevers A and the two swing cantilevers B, so that the chassis is switched from the working width to the transportation width.
2. The chassis of claim 1, wherein a first hinge seat (5.1) is arranged at the middle position of one side of each of the two swing cantilevers A facing the swing cantilever B; one end of the connecting rod is hinged with the first hinged seat corresponding to the swing cantilever, and the other end of the connecting rod is hinged with the sliding block.
3. Chassis according to claim 1, characterized in that one end of the slide rail (1.1) is located below the intermediate shelf, the other end of the slide rail extending outside the intermediate shelf.
4. The chassis according to claim 3, characterized in that it further comprises selectively arranged long (8) and short (9) fixed stays; when the chassis is in a working position, a long fixed stay bar is arranged between the middle frame and the swinging cantilever B; when the chassis is in a transportation position, a short fixed stay bar is arranged between the middle frame and the swinging cantilever B.
5. The chassis of claim 4, wherein one end of the long fixed stay bar or the short fixed stay bar is connected with one end of the slide rail extending out of the middle frame, and the other end of the long fixed stay bar or the short fixed stay bar is hinged with the swinging cantilever B.
6. The chassis according to claim 5, characterized in that the side of the swing cantilever B remote from the swing cantilever A and at its end close to the track beam is provided with a second articulated seat (6.1); the long fixed support rod or the short fixed support rod is connected with the swing cantilever B through the second hinged seat.
7. The chassis according to any of claims 1-6, wherein the push cylinder is disposed below the intermediate frame; the slider sets up the below of slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922446742.8U CN211167149U (en) | 2019-12-30 | 2019-12-30 | Chassis capable of adjusting gravity center of whole machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922446742.8U CN211167149U (en) | 2019-12-30 | 2019-12-30 | Chassis capable of adjusting gravity center of whole machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211167149U true CN211167149U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922446742.8U Withdrawn - After Issue CN211167149U (en) | 2019-12-30 | 2019-12-30 | Chassis capable of adjusting gravity center of whole machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211167149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979487A (en) * | 2019-12-30 | 2020-04-10 | 恒天九五重工有限公司 | Chassis capable of adjusting gravity center of whole machine |
| CN110979487B (en) * | 2019-12-30 | 2024-04-26 | 恒天九五重工有限公司 | Chassis capable of adjusting gravity center of whole machine |
-
2019
- 2019-12-30 CN CN201922446742.8U patent/CN211167149U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979487A (en) * | 2019-12-30 | 2020-04-10 | 恒天九五重工有限公司 | Chassis capable of adjusting gravity center of whole machine |
| CN110979487B (en) * | 2019-12-30 | 2024-04-26 | 恒天九五重工有限公司 | Chassis capable of adjusting gravity center of whole machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200804 Effective date of abandoning: 20240426 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200804 Effective date of abandoning: 20240426 |