CN211765940U - Intermediate connecting device for guide wheel and tensioning device and engineering vehicle - Google Patents
Intermediate connecting device for guide wheel and tensioning device and engineering vehicle Download PDFInfo
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- CN211765940U CN211765940U CN202020198293.XU CN202020198293U CN211765940U CN 211765940 U CN211765940 U CN 211765940U CN 202020198293 U CN202020198293 U CN 202020198293U CN 211765940 U CN211765940 U CN 211765940U
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- guide wheel
- middle cylinder
- bent plate
- layer connecting
- tensioner
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Abstract
The utility model discloses an intermediate connecting device of a guide wheel and a tensioning device and an engineering vehicle, wherein the intermediate connecting device is of a horseshoe shape and has a bilateral symmetry structure as a whole, and comprises an intermediate cylinder, an inner-layer connecting bent plate, an outer-layer connecting bent plate, a transverse supporting plate and a mounting plate; the inner layer connecting bent plate is connected with the bottom of the middle cylinder; the outer layer connecting bent plate is connected with the top of the middle cylinder; the transverse supporting plate is connected between the inner layer connecting bent plate and the outer layer connecting bent plate which are positioned at two sides of the middle cylinder; the tail ends of the transverse supporting plates on the two sides are vertically connected with a mounting plate, and the mounting plate is also connected with the inner-layer connecting bent plate; the middle cylinder is connected with the tensioning device through a connecting mechanism, and the mounting plates on two sides are connected with shaft seats on two sides of the guide wheel, so that the middle cylinder is connected with the guide wheel and the tensioning device through the middle connecting device. The utility model discloses can effectually realize that the leading wheel is connected with overspeed device tensioner accuracy fast, the structure bearing capacity is high, convenient assembly and dismantlement.
Description
Technical Field
The utility model relates to a middle connecting device of leading wheel and overspeed device tensioner specifically is a middle connecting device of shape of a hoof, belongs to engineering machine tool field.
Background
The traveling system of the engineering machinery traveling device mainly comprises a guide wheel, a driving wheel, a thrust wheel, a drag chain wheel, a track and a tensioning device, wherein the tensioning device positioned on the inner side of the guide wheel is an important component of the traveling system.
The tensioning device mainly comprises two parts, wherein one part is a tensioning stroke device provided with a grease cavity, the other part is a hydraulic oil buffer stroke device, the tensioning stroke device mainly has the main function that before grease is filled, the oil cylinder is in a fully contracted state, the tensioning device and the guide wheel are installed into the frame together, the assembly of the crawler belt can be realized, and the crawler belt is fully tensioned after the grease is filled. The main function of the buffer stroke is that when the machine normally runs, the front of the crawler belt meets an obstacle, and the buffer function is utilized to absorb external impact to protect the whole running gear system.
The tensioning device pushes the guide wheel to advance by utilizing the tensioning function of the tensioning device so as to ensure that the whole crawler belt is in a tensioning state, and the impact of the buffer device is utilized to be transmitted to the guide wheel through the crawler belt and then transmitted to the tensioning device in the actual walking process, so that the tensioning is absorbed by the buffer device. The guide wheel is a wheel-shaped structure, the tensioning device is a horizontal structure, the guide wheel and the tensioning device are connected through an intermediate device to transmit horizontal force, the traditional intermediate connecting device is of a large-scale flat plate structure, the actual acting force of the tensioning oil cylinder is large, the intermediate connecting device is easy to extrude and deform under the action of repeated pushing and pressing in work, the whole intermediate device is required to be replaced completely after failure, and loss is large.
Disclosure of Invention
To the above situation, the utility model provides a leading wheel and overspeed device tensioner's intermediate junction device can effectually realize that the leading wheel is connected with overspeed device tensioner accuracy fast, and the structure bearing capacity is high, convenient assembly and dismantlement.
The utility model discloses realize according to following technical scheme:
the utility model provides a guiding wheel and overspeed device tensioner's intermediate junction device, this intermediate junction device wholly is horseshoe-shaped and bilateral symmetry structure, includes:
a middle cylinder;
the inner layer connecting bent plate is connected with the bottom of the middle cylinder;
the outer layer connecting bent plate is connected with the top of the middle cylinder;
the transverse supporting plate is connected between the inner layer connecting bent plate and the outer layer connecting bent plate which are positioned at two sides of the middle cylinder;
the tail ends of the transverse supporting plates on the two sides are vertically connected with one mounting plate, and the mounting plate is also connected with the inner-layer connecting bent plate;
the middle cylinder is connected with the tensioning device through a connecting mechanism, and the mounting plates on two sides are connected with shaft seats on two sides of the guide wheel, so that the middle cylinder is connected with the guide wheel and the tensioning device through the middle connecting device.
Furthermore, the middle connecting device takes the symmetrical center plane of the middle cylinder as a reference and is in a left-right completely symmetrical structure.
Further, the inner layer connecting bent plate is tangentially connected with the middle cylinder, and the tangential connection is fillet tangential connection; the inner layer connecting bent plate is integrally rectangular.
Furthermore, the outer layer connecting bent plate is tangentially connected with the middle cylinder and smoothly transits to the transverse supporting plate, and the tangential connection is fillet tangential connection.
Furthermore, the connection height of the inner-layer connecting bent plate and the outer-layer connecting bent plate is equal to that of the middle cylinder.
Furthermore, longitudinal sectioning surfaces on two sides of the middle connecting device close to the middle cylinder are symmetrical I-shaped sections;
the transverse section of the middle connecting device adjacent to the mounting plates at the two sides is in a symmetrical T shape.
Further, the connecting mechanism is a transition pin shaft; the axial surface of the top of the middle cylinder is provided with a connecting round hole extending inwards and used for being matched and connected with a transition pin shaft; and the outer side of the connecting circular hole is subjected to chamfering treatment, the inner side of the connecting circular hole is subjected to fillet treatment, and the surface and the rear end face of the connecting circular hole are subjected to heat treatment.
Furthermore, the axial surface of the bottom of the middle cylinder is provided with a conical round hole, so that the stress release is facilitated.
Further, it has a plurality of mounting holes to open on the ream plane of mounting panel, will realize that mounting panel and guide wheel both sides axle bed are connected through bolt assembly.
Furthermore, the middle cylinder, the inner-layer connecting bent plate, the outer-layer connecting bent plate, the transverse supporting plate and the mounting plate are integrally cast, and the casting fillet is changed from R50 to R20.
An engineering vehicle comprises a chassis walking device, wherein the chassis walking device comprises a crawler belt, a drag chain wheel, a guide wheel, a thrust wheel and a tensioning device; the intermediate connecting device is connected between the guide wheel and the tensioning device.
The utility model discloses beneficial effect:
adopt the utility model discloses an intermediate junction device, structural strength is reliable, and the casting shaping of being convenient for has seted up the connection round hole, can realize being connected with overspeed device tensioner through the transition round pin axle, and the transition round pin axle can fine play assembly positioning pin effect simultaneously, and guide wheel and intermediate junction device bolted connection back, can be quick realize being connected with overspeed device tensioner's effective through the transition round pin axle.
In the actual work, under impact and tensile force effect relapse, the preferential damage be transition pin structure, and the replacement cost is low, and is simple and easy convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. The present invention will be described in detail with reference to the accompanying drawings and examples.
FIG. 1 is a schematic view of an intermediate linkage connecting a guide wheel to a tensioner;
FIG. 2 is a schematic view of an intermediate linkage connecting the guide wheel to the tensioner;
FIG. 3 is a schematic view of a connecting structure of a guide wheel, an intermediate device, a transition pin shaft and a tensioning cylinder;
FIG. 4 is a schematic view of the intermediate linkage and guide wheel connecting bolts and washers;
fig. 5 is a schematic view of the actual installation of the intermediate connection device.
Description of the reference numerals: 1. the mounting plate I, 2, the mounting plate II, 3, the inner layer connecting bent plate, 4, the outer layer connecting bent plate, 5, the middle cylinder, 6, the transverse supporting plate, 7, the transition pin shaft, 101, the mounting hole I, 201, the mounting hole II, 51, the connecting round hole, 52 and the conical round hole; 100. the device comprises an intermediate connecting device, 200, a tensioning device, 300, a guide wheel, 400, a crawler belt, 500, a drag chain wheel, 600 and a thrust wheel; 1a, a washer, 1b, a bolt.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, an intermediate connecting device of a guide wheel and a tensioning device 100 is of a horseshoe shape and a bilateral symmetry structure, and comprises an intermediate cylinder 5, an inner connecting bent plate 3, an outer connecting bent plate 4, a transverse support plate 6 and a mounting plate; the inner layer connecting bent plate 3 is connected with the bottom of the middle cylinder 5; the outer layer connecting bent plate 4 is connected with the top of the middle cylinder 5; the transverse supporting plate 6 is connected between the inner layer connecting bent plate and the outer layer connecting bent plate which are positioned at two sides of the middle cylinder 5; the tail ends of the transverse supporting plates 6 on the two sides are vertically connected with a mounting plate, and the mounting plate is also connected with the inner-layer connecting bent plate 3; the middle cylinder 5 is connected to the tensioner 200 through a connecting mechanism, and the mounting plates at both sides are connected to the axle seats at both sides of the guide wheel 300, so as to connect to the guide wheel 300 and the tensioner 200 through the middle connecting device 100.
The intermediate connection device 100 has a completely symmetrical structure with respect to the center plane of symmetry of the intermediate cylindrical body 5.
Further scheme: the inner layer connecting bent plate 3 is tangentially connected with the middle cylinder 5, and the tangential connection is fillet tangential connection; the inner layer connecting bent plate 3 is integrally rectangular bent plate-shaped.
The outer layer connecting bent plate 4 is tangentially connected with the middle cylinder 5 and smoothly transits to the transverse supporting plate 6, and the tangential connection is fillet tangential connection.
The connection heights of the inner layer connecting bent plate 3, the outer layer connecting bent plate 4 and the middle cylinder 5 are equal.
Further scheme: the longitudinal sectioning surfaces at two sides of the middle connecting device 100 close to the middle cylinder 5 are symmetrical I-shaped sections; the transverse section of the middle connecting device 100 adjacent to the mounting plates at the two sides is in a symmetrical T shape.
The following gives a preferred embodiment of the above embodiment with respect to the connection mechanism:
as shown in fig. 2 and 3, the connecting mechanism is a transition pin 7; the top axial face of middle cylinder 5 is opened has the connection round hole 51 of inside extension, connects round hole 51 outside chamfer and handles, and inboard fillet is handled, and surface and rear end face are through thermal treatment, realize being connected with transition round pin 7 cooperation, cooperation precision H7/f8, and transition round pin 7 surface is through surface heat treatment. The rear end of the middle cylinder 5 is provided with a conical round hole 52, which is convenient for realizing stress release. The other end of the transition pin shaft 7 is connected with the tensioning device 200, and the matching precision is H7/f 8.
As shown in FIG. 4, two mounting holes I101 are formed in the spot facing plane of the mounting plate I1, two mounting holes II 201 are formed in the spot facing plane of the mounting plate II 2, two threaded holes are respectively formed in shaft seats at two ends of the guide wheel 300, and the intermediate connecting device 100 is connected with the threaded holes of the guide wheel shaft seat through bolts 1b penetrating through gaskets 1a and the mounting holes 101 or the mounting holes 201.
The middle cylinder 5, the inner connecting bent plate 3, the outer connecting bent plate 4, the transverse support plate 6 and the mounting plate are integrally cast, and cast round corners are changed from R50 to R20.
To summer up, adopt the utility model discloses an intermediate junction device, structural strength is reliable, and the casting shaping of being convenient for has seted up the connection round hole, can realize being connected with overspeed device tensioner through the transition round pin axle, and the transition round pin axle can fine play assembly positioning pin effect simultaneously, and guide wheel and intermediate junction device bolted connection back, can be quick realize effectively being connected with overspeed device tensioner through the transition round pin axle. In the actual work, under impact and tensile force effect relapse, the preferential damage be transition pin structure, and the replacement cost is low, and is simple and easy convenient.
An engineering vehicle comprises a chassis running gear, wherein the chassis running gear comprises a crawler belt 400, a drag chain wheel 500, a guide wheel 300, a thrust wheel 600 and a tensioning device 200; the intermediate link device 100 described above is connected between the guide wheel 300 and the tensioner device 200.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (11)
1. The utility model provides an intermediate junction device of leading wheel and overspeed device tensioner which characterized in that: this intermediate junction device wholly is horseshoe-shaped and bilateral symmetry structure, includes:
a middle cylinder;
the inner layer connecting bent plate is connected with the bottom of the middle cylinder;
the outer layer connecting bent plate is connected with the top of the middle cylinder;
the transverse supporting plate is connected between the inner layer connecting bent plate and the outer layer connecting bent plate which are positioned at two sides of the middle cylinder;
the tail ends of the transverse supporting plates on the two sides are vertically connected with one mounting plate, and the mounting plate is also connected with the inner-layer connecting bent plate;
the middle cylinder is connected with the tensioning device through a connecting mechanism, and the mounting plates on two sides are connected with shaft seats on two sides of the guide wheel, so that the middle cylinder is connected with the guide wheel and the tensioning device through the middle connecting device.
2. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 1, wherein:
the middle connecting device takes the symmetrical central plane of the middle cylinder as a reference and is in a left-right completely symmetrical structure.
3. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 1, wherein:
the inner layer connecting bent plate is tangentially connected with the middle cylinder, and the tangential connection is a fillet tangential connection;
the inner layer connecting bent plate is integrally rectangular.
4. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 1, wherein:
the outer layer connecting bent plate is tangentially connected with the middle cylinder and smoothly transits to the transverse supporting plate, and the tangential connection is fillet tangential connection.
5. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 1, wherein:
the connection height of the inner layer connecting bent plate and the connection height of the outer layer connecting bent plate and the middle cylinder are equal.
6. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 1, wherein:
the longitudinal sectioning surfaces at two sides of the middle connecting device adjacent to the middle cylinder are symmetrical I-shaped sections;
the transverse section of the middle connecting device adjacent to the mounting plates at the two sides is in a symmetrical T shape.
7. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 1, wherein:
the connecting mechanism is a transition pin shaft;
the axial surface of the top of the middle cylinder is provided with a connecting round hole extending inwards and used for being matched and connected with a transition pin shaft;
and the outer side of the connecting circular hole is subjected to chamfering treatment, the inner side of the connecting circular hole is subjected to fillet treatment, and the surface and the rear end face of the connecting circular hole are subjected to heat treatment.
8. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 7, wherein:
the axial surface of the bottom of the middle cylinder is provided with a conical round hole, so that the stress release is facilitated.
9. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 1, wherein:
a plurality of mounting holes are formed in the spot-facing plane of the mounting plate, and the mounting plate is connected with shaft seats on two sides of the guide wheel through bolt assemblies.
10. An intermediate coupling device of a guide wheel and a tensioner as set forth in claim 1, wherein:
the middle cylinder, the inner layer connecting bent plate, the outer layer connecting bent plate, the transverse supporting plate and the mounting plate are integrally cast, and the casting round angle is changed from R50 to R20.
11. An engineering vehicle comprises a chassis walking device, wherein the chassis walking device comprises a crawler belt, a drag chain wheel, a guide wheel, a thrust wheel and a tensioning device; the method is characterized in that:
an intermediate connection as claimed in any one of claims 1 to 10 connected between the guide wheel and the tensioning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198293.XU CN211765940U (en) | 2020-02-24 | 2020-02-24 | Intermediate connecting device for guide wheel and tensioning device and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198293.XU CN211765940U (en) | 2020-02-24 | 2020-02-24 | Intermediate connecting device for guide wheel and tensioning device and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211765940U true CN211765940U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020198293.XU Active CN211765940U (en) | 2020-02-24 | 2020-02-24 | Intermediate connecting device for guide wheel and tensioning device and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211765940U (en) |
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2020
- 2020-02-24 CN CN202020198293.XU patent/CN211765940U/en active Active
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