CN210126573U - Pin dismounting device for crawler belt - Google Patents
Pin dismounting device for crawler belt Download PDFInfo
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- CN210126573U CN210126573U CN201920986160.6U CN201920986160U CN210126573U CN 210126573 U CN210126573 U CN 210126573U CN 201920986160 U CN201920986160 U CN 201920986160U CN 210126573 U CN210126573 U CN 210126573U
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Abstract
The utility model discloses a track pin dismounting device, which comprises a fixed bracket, wherein one end of the fixed bracket is provided with a positioning block for positioning a track, the other end of the fixed bracket is provided with an ejection mechanism, the ejection mechanism is detachably provided with an ejector pin, and the ejector pin is superposed with the axle center of a pin shaft on the track; and a supporting mechanism for adjusting the height of the crawler belt is arranged below the fixed support. The utility model discloses a pin removal device for crawler belt, simple structure, the adjustment is convenient, and the dismouting is efficient, and is applicable to the round pin axle dismantlement of various model crawlers.
Description
Technical Field
The utility model belongs to the technical field of the track maintenance technique and specifically relates to a pin device is torn open to track.
Background
At present, a plurality of engineering machines such as a bulldozer, an excavator and the like all use a crawler-type chassis, main parts of a crawler comprise a pin shaft, a pin bush and a caterpillar track joint, and the pin shaft and the pin bush are respectively pressed into pin holes and sleeve holes of the left caterpillar track joint and the right caterpillar track joint in an interference manner by using a press machine. The working conditions of a common bulldozer and an excavator are severe, the chain is fatigued and damaged when the bulldozer and the excavator work for a long time, the caterpillar sections and the pin bushes are seriously abraded, and the pin shafts are broken, so that the failed parts need to be frequently checked and replaced.
In the prior art, the disassembling of the track chain is generally realized by knocking a chain pin shaft by using tools such as a hammer, a clamp and the like on site due to higher factory return and maintenance cost, but the original method has longer time and higher requirement on the operation level of a maintainer, and easily causes deformation of a pin hole and a trepanning of a track link, thereby influencing the assembling quality of a newly replaced part.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, the crawler pin dismounting device is simple in structure, convenient to adjust, high in dismounting efficiency and suitable for dismounting pin shafts of various types of crawlers.
The utility model adopts the technical proposal that: the track pin removing device comprises a fixed support, wherein one end of the fixed support is provided with a positioning block for positioning a track, the other end of the fixed support is provided with an ejection mechanism, the ejection mechanism is detachably provided with an ejector pin, and the ejector pin is superposed with the axis of a pin shaft on the track; and a supporting mechanism for adjusting the height of the crawler belt is arranged below the fixed support.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses a track pin removal device, the mode of beating the hammer through the manual work in the prior art is changed and is torn open the round pin, through a dedicated frock, will tear open the track chain link of round pin and fix on a fixed bolster, utilizes ejection mechanism to carry out ejecting and tear open the round pin, saves labourer's physical power, improves efficiency; and the device is also provided with a supporting mechanism below the fixed support, so that the height of the crawler can be adjusted while the crawler is supported, the pin shaft and the ejector pin are coaxial, and the pin is convenient to detach. In addition, the knock pin detachable connection in this isolated plant can change the knock pin at any time according to the model of the track of dismouting, can be applicable to the dismantlement of the round pin axle of the track of multiple model, and the commonality is strong.
As an improvement, one end of the fixed support, which is close to the crawler belt, is provided with a pressing sleeve through which the pin shaft can pass, one end of the pressing sleeve is connected to the fixed support, the other end of the pressing sleeve abuts against the end face of the crawler belt, and the pressing sleeve is coaxial with the pin shaft. The track is fixed at the fixed bolster mountain back, and the last pressure cover of fixed bolster pushes up and leans on the terminal surface of track one end of keeping away from the knock pin, when the knock pin promoted the round pin axle motion towards the track direction, under the effect of pressing the cover, tears the more steady of round pin process open, and the round pin axle in the track can be more smooth by ejecting separation.
In a further improvement, one end of the positioning block is provided with two connecting bolts, and the two connecting bolts are assembled in through holes preset on the track; the other end of the positioning block is sleeved on the pressing sleeve in a sliding mode. The positioning block is connected with the crawler belt through the connecting bolt, and the existing through hole structure on the crawler belt is fully utilized, so that the crawler belt is very convenient to use; in addition, the positioning plate is directly sleeved on the pressing sleeve, so that the replacement is convenient, and when the positioning plate is connected with crawler mechanisms of different models, the corresponding positioning block can be conveniently replaced.
Furthermore, the fixed support comprises a first fixed plate and a second fixed plate, and two lower connecting shafts and an upper connecting shaft which are distributed in a triangular shape are arranged between the first fixed plate and the second fixed plate; the positioning block is arranged on the first fixing plate, and the ejection mechanism is arranged on the second fixing plate. Simple structure and convenient installation.
Preferably, the two lower connecting shafts are both stepped shafts with a large middle and small ends, and the upper connecting shaft is an optical shaft; the two ends of the step shaft and the optical shaft are respectively arranged on the first fixing plate and the second fixing plate in a penetrating mode, the step end faces of the two step shafts are respectively abutted against the corresponding fixing plates, and fastening nuts are arranged at the end portions, penetrating out of the corresponding fixing plates, of the two ends of the step shaft and the optical shaft.
And the ejection mechanism comprises a jack, the jack is arranged on the second fixing plate, an oil cylinder joint is arranged at one end of the jack, an adapter is arranged on the oil cylinder joint, an ejector pin joint is connected onto the adapter, and the ejector pin is detachably assembled on the ejector pin joint. In this structure, the knock pin passes through the knock pin joint to be connected with the adapter, easy dismounting, when the track round pin axle of different models is dismantled to needs, directly change corresponding knock pin can.
And the supporting mechanism comprises two fixed bases and a supporting plate, the supporting plate is arranged at the tops of the fixed bases, the lower ends of the two fixed bases are respectively provided with an adjusting bolt, and the end parts of the adjusting bolts are connected to the rack. The supporting mechanism plays a role in supporting the crawler belt after being arranged, and the height of the crawler belt can be adjusted, so that the pin shaft on the crawler belt is coaxial with the pressing sleeve and the ejector pin.
Drawings
Fig. 1 is a schematic structural view of a track pin detaching device of the present invention. (working State)
Fig. 2 is another angle schematic diagram of a track pin detaching device according to the present invention. (uninstalled product)
Fig. 3 is a sectional view of a track pin detaching device according to the present invention.
Fig. 4 is a side view of a track pin removal device of the present invention.
Wherein, 100-pin shaft, 101-through hole, 110-frame;
1-fixed support, 1.1-first fixed plate, 1.2-second fixed plate, 1.3-lower connecting shaft, 1.4-upper connecting shaft, 1.5-fastening nut, 2-fixed block, 3-knock pin, 4-lifting mechanism, 4.1-fixed base, 4.2-supporting plate, 4.3-adjusting bolt, 5-pressing sleeve, 6-connecting bolt, 7-jack, 8-oil cylinder joint, 9-adapter, 10-knock pin joint
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
In the description of the present invention, it should be noted that the terms "below", "upper", "lower", "middle", "both ends", "lower end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, for the sake of distinguishing one from another.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "attached" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the utility model provides a track pin detaching device, including fixed bolster 1, the one end of fixed bolster 1 is equipped with locating piece 2 that is used for fixing a position the track, and the other end of fixed bolster 1 is equipped with ejection mechanism. In this embodiment, specifically, the fixing bracket 1 includes a first fixing plate 1.1 and a second fixing plate 1.2, two lower connecting shafts 1.3 and an upper connecting shaft 1.4 which are distributed in a triangular shape are disposed between the first fixing plate 1.1 and the second fixing plate 1.2, the positioning block 2 is disposed on the first fixing plate 1.1, and the ejection mechanism is disposed on the second fixing plate 1.2. Of course, in other embodiments, the connecting shafts between the first fixing plate 1.1 and the second fixing plate 1.2 are not limited to three, and may be four connecting shafts distributed in a rectangular structure; and a plurality of connecting shafts distributed in other shapes can be adopted, and the description is omitted.
The ejector pin 3 is detachably arranged on the ejector mechanism, and the ejector pin 3 is superposed with the axis of the pin shaft 100 on the crawler belt; a supporting mechanism 4 for adjusting the height of the crawler belt is arranged below the fixed support 1.
One end of the fixed support 1 close to the crawler is provided with a pressing sleeve 5 for the pin 100 to pass through, one end of the pressing sleeve 5 is connected to the fixed support 1, the other end of the pressing sleeve 5 abuts against the end face of the crawler, and the pressing sleeve 5 is coaxial with the pin 100.
One end of the positioning block 2 is provided with two connecting bolts 6, and the two connecting bolts 6 are assembled in through holes 101 preset on the track; the other end of the positioning block 2 is sleeved on the pressing sleeve 5 in a sliding manner.
The two lower connecting shafts 1.3 are step shafts with large middle parts and small two ends, and the upper connecting shaft 1.4 is an optical axis; the both ends of step axle, optical axis wear to establish respectively on first fixed plate 1.1 and second fixed plate 1.2, and the step terminal surface of two step axles leans on respectively on corresponding fixed plate, and the tip of the both ends of step axle, optical axis are worn out corresponding fixed plate all is equipped with fastening nut 1.5. In this structure, the upper connecting shaft 1.4 is the optical axis, makes it can wholly run through from the mounting hole on first fixed plate 1.1 or the second fixed plate 1.2, can realize like this that after first fixed plate 1.1, second fixed plate 1.2 and two lower connecting shafts 1.3 installation are fixed, also can install connecting shaft 1.4.
The ejection mechanism comprises a jack 7, the jack 7 is installed on the second fixing plate 1.2, an oil cylinder connector 8 is arranged at one end of the jack 7, an adapter 9 is arranged on the oil cylinder connector 8, an ejector pin connector 10 is connected onto the adapter 9, and the ejector pin 3 is detachably assembled on the ejector pin connector 10. In order to facilitate the installation, the ejector pin 3, the adapter 9 and the oil cylinder connector 8 are all sleeved in sequence by small gaps, and the installation is very convenient. And the ejector pin 3 with different models can be replaced quickly according to the model of the actual crawler belt.
The supporting mechanism 4 comprises two fixing bases 4.1 and a supporting plate 4.2, the supporting plate 4.2 is installed at the top of the fixing base 4.1, the lower ends of the two fixing bases 4.1 are respectively provided with an adjusting bolt 4.3, and the end part of the adjusting bolt 4.3 is connected to the rack. The principle of the height adjustment of the crawler belt by the supporting mechanism 4 is as follows: the lower end of the fixed base 4.1 is provided with a plurality of threaded holes, the adjusting bolts 4.3 are assembled in the corresponding threaded holes, in the actual use process, a rack 100 is further arranged, the bottoms of the first fixed plate 1.1 and the second fixed plate 1.2 abut against the top of the additional rack 110, the top surface of the rack 110 is provided with screw holes for the adjusting bolts 4.3 to be screwed, the upper surface of the supporting plate 4.2 abuts against the lower bottom surface of the crawler, the lifting of the fixed base 4.1 can be controlled by adjusting the positions of the adjusting bolts 4.3, the height adjustment of the axis of the pin shaft 100 of the crawler is realized, and the axis of the pin shaft 100 is ensured to be coaxial with the axis of the top pin 3 and the axis of the pressing sleeve 5.
The working principle of the pin disassembling device is as follows:
in an initial state of the device, the upper parts of the connecting shaft 1.4, the positioning block 2 and the ejector pin 3 are in a state of waiting to be installed, and other parts are installed in place; firstly, disassembling the track shoe of the section of the track which needs to be maintained (generally, the track shoe of the front section and the rear section of the section is also disassembled for convenient operation), and then hoisting the whole track (the track shoe is arranged above), so that the chain link which needs to be disassembled is right on the supporting plate 4.2 of the supporting mechanism 4; next, installing an upper connecting shaft 1.4, then sleeving a corresponding positioning block 2 into a pressing sleeve 5, adjusting a supporting mechanism 4 to enable the axis of a track pin shaft 100 to be coaxial with the axis of the pressing sleeve 5, moving a current section track by using tools such as a crowbar and the like to enable a connecting bolt 6 and a nut to smoothly fix the positioning block 2 and the current section track, and enabling the end part of a track link to be tightly attached to the pressing sleeve 5; finally, the knock pin 3 is fitted into the knock pin joint 10.
When the device works, the jack 9 is connected with an oil pipe, one end of the oil pipe is connected with a manual hydraulic pump or an electric hydraulic pump, the ejector pin 3 is manually supported, then the hydraulic pump is started, the hydraulic pump is stopped after the ejector pin 3 is contacted with the track pin shaft, whether the ejector pin 3, the pin shaft 100 and the pressing sleeve 5 are concentric or not is observed, if interference exists, adjustment is immediately carried out, if a protective cover is concentrically arranged, the hydraulic pump is started again until the pin shaft 100 is ejected out. When the crawler belts of different models are disassembled, only the pressing sleeve 5, the positioning block 12, the ejector pin 3 and the ejector pin joint 10 are required to be replaced, so that the crawler belts are very convenient to disassemble and have strong replaceability.
While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a track unpick pin device, includes fixed bolster (1), its characterized in that: one end of the fixed support (1) is provided with a positioning block (2) for positioning the crawler belt, the other end of the fixed support (1) is provided with an ejection mechanism, an ejector pin (3) is detachably arranged on the ejection mechanism, and the ejector pin (3) is superposed with the axis of a pin shaft (100) on the crawler belt; and a supporting mechanism (4) for adjusting the height of the crawler belt is also arranged below the fixed support (1).
2. The track pin removal device of claim 1, wherein: one end of the fixed support (1) close to the crawler is provided with a pressing sleeve (5) through which the pin shaft (100) can penetrate, one end of the pressing sleeve (5) is connected to the fixed support (1), the other end of the pressing sleeve (5) abuts against the end face of the crawler, and the pressing sleeve (5) is coaxial with the pin shaft (100).
3. The track pin removal assembly of claim 2, wherein: one end of the positioning block (2) is provided with two connecting bolts (6), and the two connecting bolts (6) are assembled in through holes (101) preset on the track; the other end of the positioning block (2) is slidably sleeved on the pressing sleeve (5).
4. The track pin removal device of claim 1, wherein: the fixing support (1) comprises a first fixing plate (1.1) and a second fixing plate (1.2), wherein two lower connecting shafts (1.3) and an upper connecting shaft (1.4) which are distributed in a triangular shape are arranged between the first fixing plate (1.1) and the second fixing plate (1.2); the positioning block (2) is arranged on the first fixing plate (1.1), and the ejection mechanism is arranged on the second fixing plate (1.2).
5. The track pin removal device of claim 4, wherein: the two lower connecting shafts (1.3) are step shafts with large middle parts and small two ends, and the upper connecting shaft (1.4) is an optical axis; the two ends of the step shaft and the optical shaft are respectively arranged on the first fixing plate (1.1) and the second fixing plate (1.2) in a penetrating mode, the step end faces of the two step shafts are respectively abutted to the corresponding fixing plates, and fastening nuts (1.5) are arranged at the end portions, penetrating out of the corresponding fixing plates, of the two ends of the step shaft and the optical shaft.
6. The track pin removal device of claim 1, wherein: the ejection mechanism comprises a jack (7), the jack (7) is installed on the second fixing plate (1.2), an oil cylinder connector (8) is arranged at one end of the jack (7), an adapter (9) is arranged on the oil cylinder connector (8), a jacking pin connector (10) is connected onto the adapter (9), and the jacking pin (3) is detachably assembled on the jacking pin connector (10).
7. The track pin removal device of claim 1, wherein: the lifting mechanism (4) comprises two fixing bases (4.1) and a supporting plate (4.2), the supporting plate (4.2) is installed at the top of the fixing bases (4.1), the lower ends of the two fixing bases (4.1) are provided with adjusting bolts (4.3), and the end portions of the adjusting bolts (4.3) are connected onto the rack (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986160.6U CN210126573U (en) | 2019-06-27 | 2019-06-27 | Pin dismounting device for crawler belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986160.6U CN210126573U (en) | 2019-06-27 | 2019-06-27 | Pin dismounting device for crawler belt |
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| Publication Number | Publication Date |
|---|---|
| CN210126573U true CN210126573U (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920986160.6U Active CN210126573U (en) | 2019-06-27 | 2019-06-27 | Pin dismounting device for crawler belt |
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| CN (1) | CN210126573U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674481A (en) * | 2020-05-26 | 2020-09-18 | 上海三泰机电设备科技有限公司 | Tank track dismounting device |
| CN112009586A (en) * | 2020-09-15 | 2020-12-01 | 贺超 | Motor vehicle track extracting tool |
| CN112429104A (en) * | 2020-12-23 | 2021-03-02 | 安徽傲宇数控科技有限公司 | Manual armoured mechanism handheld execution structure |
| CN114871993A (en) * | 2022-06-16 | 2022-08-09 | 徐州徐工履带底盘有限公司 | Crawler maintenance device and crawler maintenance method |
-
2019
- 2019-06-27 CN CN201920986160.6U patent/CN210126573U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674481A (en) * | 2020-05-26 | 2020-09-18 | 上海三泰机电设备科技有限公司 | Tank track dismounting device |
| CN111674481B (en) * | 2020-05-26 | 2022-06-28 | 上海三泰机电设备科技有限公司 | Tank track dismounting device |
| CN112009586A (en) * | 2020-09-15 | 2020-12-01 | 贺超 | Motor vehicle track extracting tool |
| CN112429104A (en) * | 2020-12-23 | 2021-03-02 | 安徽傲宇数控科技有限公司 | Manual armoured mechanism handheld execution structure |
| CN114871993A (en) * | 2022-06-16 | 2022-08-09 | 徐州徐工履带底盘有限公司 | Crawler maintenance device and crawler maintenance method |
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Effective date of registration: 20210712 Address after: 223900 No.8, jingsan Road, machinery industrial park, Sihong Economic Development Zone, Sihong County, Suqian City, Jiangsu Province Patentee after: Gangke crawler (Jiangsu) Co.,Ltd. Address before: 315141 Xianxiang Zhen Xian San Cun, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Steel Passenger Chassis Manufacturing (Ningbo) Co.,Ltd. |