CN205523470U - Steel track - Google Patents
Steel track Download PDFInfo
- Publication number
- CN205523470U CN205523470U CN201620231235.6U CN201620231235U CN205523470U CN 205523470 U CN205523470 U CN 205523470U CN 201620231235 U CN201620231235 U CN 201620231235U CN 205523470 U CN205523470 U CN 205523470U
- Authority
- CN
- China
- Prior art keywords
- pin
- connecting rod
- creeper tread
- base plate
- buckle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a steel track, its technical scheme main points are, including a plurality of grip -pads, be used for locking the trip spare of track, be equipped with between the grip -pad and be used for the connecting rod connected, the connecting rod both ends are all articulated with the grip -pad, the grip -pad is including integrative bottom plate, the grip block that forms of casting of steel, both sides that the grip block is located the bottom plate just are used for the centre gripping tire, trip spare include a pair of can and the buckle of grip -pad joint, adjusting buckle between the lead screw of interval.
Description
Technical field
This utility model relates to engineering machinery, particularly to a kind of steel tracks.
Background technology
At present, the agricultural four-wheel tractor of engineering truck etc. all utilizes tire directly to contact with ground, its shortcoming is, bulldozing at complex condition engineering truck, loading, the operations such as farm tractor is raked the soil level, sowed, intertillage there will be unavoidably the phenomenon of skidding at mire, or it is difficult to situation about advancing, and there will be increase oil consumption, the situation of worn tire, affect operation quality simultaneously.
The Chinese patent of existing Publication No. CN101376323A discloses a kind of tire automobile-use steel crawler track element, it utilizes the structure of crawler belt band plate to increase frictional force, but utilize tensioning screw to connect between crawler belt, guarantee being stably connected with each other, but this attachment structure operates complex, it is impossible to enough realize Fast Installation.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of convenient steel tracks quick for installation.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of steel tracks, including multiple creeper treads, for locking the clamp hook piece of crawler belt, the connecting rod for connecting it is provided with between described creeper tread, described connecting rod two ends are all hinged with described creeper tread, described creeper tread includes base plate, the grip block that steel is integrally cast, described grip block is positioned at the both sides of base plate and for clamping tire, described clamp hook piece include a pair can and the buckle of creeper tread clamping, regulation buckle between the screw mandrel of spacing.
Pass through technique scheme, overall coherence is made by hinged connecting rod between multiple creeper treads, and can possess the free folding feature of crawler belt, installing when, have only to be layered on bottom long chain, then after crawler belt left by vehicle, grip block can be stuck in the both sides of tire, whole crawler belt is just wound up along tyre ring, by the time after complete one week, a pair buckle is being clasped crawler belt two ends, then regulation screw mandrel guarantees that tire is packed tightly by crawler belt, the most whole installation process is the quickest, and install without skill left-hand seat easy, can disposably install.The when of needing dismounting, as long as unscrewing screw mandrel, the spacing between buckle being expanded so that whole clamp hook piece departs from from crawler belt, being fixed one end of crawler belt, vehicle goes, and crawler belt the most just separates from tire, the most quick and convenient.
This utility model is further arranged to: described grip block is in toward both sides enlarging shape.
Pass through technique scheme, the structure of enlarging shape can allow the edge local deformation outside tire snap onto between grip block, during front process, tire is as gravity blocks in tire clamping plate, so can be greatly increased the stiction between tire and creeper tread, guaranteeing vehicle take-offs when, tire is difficult to the situation occurring skidding between creeper tread, it is ensured that the fixing-stable of crawler belt.
This utility model is further arranged to: be provided with hollow-out parts bottom described base plate, and described plate outer side is provided with the stud for increasing earth-grasping force.
Pass through technique scheme, the contact area being designed to reduce ground with ground of hollow-out parts, increasing base plate and the pressure on ground guarantees enough earth-grasping forces, the structure of stud can increase the earth-grasping force of base plate further simultaneously, it is ensured that crawler belt skidding will not occur with ground.
This utility model is further arranged to: be equipped with the pin running through connecting rod on described creeper tread, and described connecting rod realizes hinged by pin, is provided with wear-resistant pad between described pin and connecting rod, and described pin is arranged with the anti-return nut for safetied pin.
By technique scheme, the structure of pin ensure that the stability that connecting rod connects, and coordinates the structure of upper wear-resistant pad, it is possible to playing effect and the effect of connecting rod of protection pin, prevent in use, pin and connecting rod produce abrasion each other.Anti-return nut can play and ensure that pin does not haves the situations such as loosening during caterpillar drive simultaneously.
This utility model is further arranged to: described pin is provided with square Access Division, and described creeper tread is provided with the blocked hole coordinated with described Access Division.
Pass through technique scheme, with coordinating of blocked hole, Access Division ensure that pin can be stuck, do not have the situation of rotation, so crawler belt is during advancing, pin ensure that stationary state, like this would not there is the situation of abrasion between pin and creeper tread, it is ensured that the service life of pin and structural strength.
This utility model is further arranged to: described screw mandrel two ends are the reverse thread being and being clasped.
By technique scheme, the structure people of reverse thread have only to hold screw mandrel one-directional rotation, and the buckle volume at two ends can occur closing up or separating because of screw mandrel, and its simple in construction is easy to operate, quick, it is possible to realize Fast Installation dismounting.
In sum, this utility model in contrast to prior art have the beneficial effect that whole crawler belt use during, install and dismounting convenience more, simultaneously relatively stable once install with regard to clamping, all it is difficult between tire and crawler belt, crawler belt and ground to occur skidding.During the use of crawler belt, the structural strength of its integrally casting is high, and junction is wear-resisting, whole the most durable in use, is hardly damaged.
Accompanying drawing explanation
Fig. 1 is the structure chart being wrapped on tire of embodiment；
Fig. 2 is the structure chart that embodiment tiling is opened；
Fig. 3 is the enlarged drawing in Fig. 1 at I；
Fig. 4 is the explosive view of one piece of creeper tread of embodiment.
Reference: 1, creeper tread；11, base plate；111, stud；112, hollow-out parts；12, grip block；121, blocked hole；2, connecting rod；21, wear-resistant pad；3, pin；31, Access Division；32, anti-return nut；41, buckle；42, screw mandrel.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
A kind of steel tracks, including multiple creeper treads 1, for locking the clamp hook piece of crawler belt, the connecting rod 2 for connecting it is provided with between creeper tread 1, each creeper tread 1 shape is consistent, it is connected between creeper tread 1 with creeper tread 1 and has two connecting rods 2, creeper tread 1 both sides are what connecting rod 2 connected, connecting rod 2 is formed by steel casting, it is hinged on creeper tread 1, whole piece crawler belt is laid in the when of ground overall in strip, the length of crawler belt can be realized by the quantity of plus-minus creeper tread 1 such that it is able to just coincide with tire circumference, it is ensured that stablizing of installation.
Each creeper tread 1 is integrally cast by steel, and it includes base plate 11 and is positioned at the grip block 12 of base plate 11 both sides, grip block 12, and grip block 12 is in toward both sides enlarging shape, and the angle of enlarging is 8 ~ 13 degree, and the scope expanded is not the highest.Grip block 12 is the both sides being clamped in tire installing when, and the structure of enlarging shape can allow the edge local deformation outside tire, so can be greatly increased the stiction between tire and creeper tread 1.During front process, tire is as gravity blocks in tire clamping plate 12, it is ensured that vehicle take-offs when, and tire is difficult to the situation occurring skidding between creeper tread 1, it is ensured that the fixing-stable of crawler belt.Whole creeper tread 1 is integrally cast by steel, so overall structural strength is the highest, and two grip blocks 12 can bear tire and be positioned at the extruding force of inner side, do not have the situations such as fracture, and it long-time stable can be advanced on the ground such as mud ground, service life is more long.
Wherein, hollow-out parts 112 it is provided with bottom base plate 11, the stud 111 for increasing earth-grasping force it is provided with outside base plate 11, the shape of hollow-out parts 112 is a rectangular structure, the structure of the most whole base plate 11 is left with two, left and right, this structure is designed to the contact area reducing ground with ground, increases base plate 11 and the pressure on ground is guaranteed enough earth-grasping forces so that tire does not haves slipping etc..And stud 111 is distributed across on the base plate 11 after hollow out, on the basis of original, it is better able to increase the earth-grasping force of base plate 11, stud 111 is the quadrangular shape assumed diamond in shape, can steadily penetrate mud ground, the quadrangular shape Stability Analysis of Structures of rhombus, encounter the Stability Analysis of Structures such as stone, be difficult to deformation, it is possible to use for a long time.
Connecting rod 2 two ends are the most in the form of a ring, the pin 3 running through connecting rod 2 it is equipped with on creeper tread 1, pin 3 is in, through the position of connecting rod 2, the centre that connecting rod 2 two ends are ring-type, ring-type centre, connecting rod 2 two ends just forms a cavity, being available for pin 3 to pass, be provided with wear-resistant pad 21 between pin 3 and connecting rod 2, wear-resistant pad 21 is ringwise, it is enclosed within outside pin 3, is clipped between pin 3 and connecting rod 2.The structure of pin 3 ensure that the stability that connecting rod 2 connects, and coordinates the structure of upper wear-resistant pad 21, it is possible to playing effect and the effect of connecting rod 2 of protection pin 3, prevent in use, pin 3 and connecting rod 2 produce abrasion each other.One end of pin 3 is nut, and the other end rotates anti-return nut 32 of screwing on.The outside of anti-return nut 32 is provided with little cushion rubber, does not receive impact being screwed into when, the most painstaking back-outing when.Pin 3 can be allowed after plus anti-return nut 32 to be fixed on and can effectively prevent crawler belt in use, there is situation about loosening in pin 3.Anti-return nut 32 can play and ensure that pin 3 does not haves the situations such as loosening during caterpillar drive simultaneously.
As shown in Figure 4, wherein, pin 3 is provided with square Access Division 31, and creeper tread 1 is provided with the blocked hole 121 coordinated with Access Division 31.With coordinating of blocked hole 121, Access Division 31 ensure that pin 3 can be stuck, do not have the situation of rotation, so crawler belt is during advancing, pin 3 ensure that stationary state, like this would not there is the situation of abrasion between pin 3 and creeper tread 1, it is ensured that the service life of pin 3 and structural strength.
Connecting rod 2 are installed when, first wear-resistant pad 21 is put into the end of connecting rod 2 annular, connecting rod 2 is inserted into the position of blocked hole 121 correspondence on creeper tread 1 the most again, then pin 3 is penetrated from inner side, after wear-resistant pad 21, the one end away from nut wears out, more fixing upper anti-return nut 32, the most whole installation process is just mounted with, the most efficient and convenient.
Wear-resistant pad 21 is made up of ferrum, carbon, copper, and wherein, carbon content is 0.3% ~ 1%, copper content is 2% ~ 4%, and remaining is ferrum, wherein, carbon is to utilize free graphite, and three kinds are forged into wear-resistant pad 21 jointly by the material of pulverulence, and its density of wear-resistant pad 21 machined is at 6.4 ~ 6.8g/cm3The wear-resistant pad 21 being made up of alloy is softer than Steel material, will not hurt pin 3 and connecting rod 2 in relative motion, and it can replace the abrasion of connecting rod 2 and pin 3, by the time can also be replaced after abrasion, the very convenient service life that simultaneously ensure that junction.Through experiment test, its tensile strength is more than 350MPa, and elongation percentage is more than 0.5%, and hardness is in 28 ~ 30HRC, and it is after the rolling friction of 10,000 times, it is possible to ensure that wear extent, within 5%, enough ensures that this junction uses the time of more than 7 years.
As it is shown on figure 3, clamp hook piece include a pair can and the buckle 41 of creeper tread 1 clamping, regulation buckle 41 between the screw mandrel 42 of spacing.Buckle 41 is buckled in above base plate 11, and installing when, two buckles 41 are symmetrical set.The centre of screw mandrel 42 is shiny surface, and two ends screw thread, and the screw thread at its two ends is reverse thread, buckle 41 and screw mandrel 42 threaded engagement above, so rotary screw rod 42 when, buckle 41 just can be along the axially-movable of screw mandrel 42.Owing to the screw thread at screw mandrel 42 two ends is reverse; the structure people of reverse thread have only to hold screw mandrel 42 one-directional rotation, and buckle 41 volume at two ends can occur closing up or separating, its simple in construction because of screw mandrel 42; easy to operate, quick, it is possible to realize Fast Installation dismounting.
Crawler belt is installed when, its process is as follows: regulate and control the quantity of crawler belt upper track plate 1 according to the girth of tire, the length making crawler belt is substantially equal to tire circumference, long chain is layered on bottom, as shown in Figure 2, then after crawler belt left by vehicle, grip block 12 can be stuck in the tire both sides needing to install crawler belt, so creeper tread 1 is secured to above tire, vehicle continues to go and is all clipped on tire by all creeper treads 1, then the buckle 41 on clamp hook piece is utilized, block on two creeper treads 1 that incision position is adjacent, then rotary screw rod 42, spacing between buckle 41 is reduced, guarantee that crawler belt is tied tight tire, ensure that the installation of crawler belt is stable, so install the most complete, as shown in Figure 1.
Dismantling crawler belt when, its process is as follows: first reversely turn screw mandrel 42, then allows the spacing between buckle 41 become big so that buckle 41 can be separated above chain.The most again crawler belt one end of incision position is fixed up, it is possible to use weight is pushed down and can also be connected on fixing object, and vehicle starts the most forward, then just can complete to separate, dismantle.
The above is only exemplary embodiment of the present utility model, and not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (6)
1. a steel tracks, it is characterized in that: include multiple creeper tread (1), for locking the clamp hook piece of crawler belt, the connecting rod (2) for connecting it is provided with between described creeper tread (1), described connecting rod (2) two ends are all hinged with described creeper tread (1), described creeper tread (1) includes the base plate (11) that steel is integrally cast, grip block (12), described grip block (12) is positioned at the both sides of base plate (11) and is used for clamping tire, described clamp hook piece includes a pair can be with the buckle (41) of creeper tread (1) clamping, the screw mandrel (42) of spacing between regulation buckle (41).
Steel tracks the most according to claim 1, is characterized in that: described grip block (12) is in toward both sides enlarging shape.
Steel tracks the most according to claim 1, is characterized in that: described base plate (11) bottom is provided with hollow-out parts (112), and described base plate (11) outside is provided with the stud (111) for increasing earth-grasping force.
Steel tracks the most according to claim 1, it is characterized in that: on described creeper tread (1), be equipped with the pin (3) running through connecting rod (2), described connecting rod (2) realizes hinged by pin (3), it is provided with wear-resistant pad (21) between described pin (3) and connecting rod (2), described pin (3) is arranged with the anti-return nut (32) for safetied pin (3).
Steel tracks the most according to claim 4, is characterized in that: described pin (3) is provided with square Access Division (31), and described creeper tread (1) is provided with the blocked hole (121) coordinated with described Access Division (31).
Steel tracks the most according to claim 1, is characterized in that: described screw mandrel (42) two ends are to be the reverse thread coordinated with buckle (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231235.6U CN205523470U (en) | 2016-03-24 | 2016-03-24 | Steel track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231235.6U CN205523470U (en) | 2016-03-24 | 2016-03-24 | Steel track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205523470U true CN205523470U (en) | 2016-08-31 |
Family
ID=56783641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620231235.6U Expired - Fee Related CN205523470U (en) | 2016-03-24 | 2016-03-24 | Steel track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205523470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835638A (en) * | 2016-03-24 | 2016-08-10 | 浙江永鼎机械科技股份有限公司 | Steel crawler belt |
-
2016
- 2016-03-24 CN CN201620231235.6U patent/CN205523470U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835638A (en) * | 2016-03-24 | 2016-08-10 | 浙江永鼎机械科技股份有限公司 | Steel crawler belt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |