CN220640067U - Tensioning guide wheel device - Google Patents
Tensioning guide wheel device Download PDFInfo
- Publication number
- CN220640067U CN220640067U CN202321881270.9U CN202321881270U CN220640067U CN 220640067 U CN220640067 U CN 220640067U CN 202321881270 U CN202321881270 U CN 202321881270U CN 220640067 U CN220640067 U CN 220640067U
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- guide wheel
- fixedly connected
- adjusting
- plate
- tensionable
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- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 27
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model provides a tensionable guide wheel device, and relates to the field of guide wheel transmission. The tensioning guide wheel device comprises a guide wheel, wherein two ends of the guide wheel are fixedly connected with wheel shafts, mounting seats are sleeved on the outer sides of the wheel shafts in a rotating mode, one end of each mounting seat is fixedly connected with an adjusting rod, and an adjusting box is arranged between the two adjusting rods. According to the tensioning guide wheel device, hydraulic oil is infused into the hydraulic cylinder through the installation pipe and the guide pipe, so that the hydraulic cylinder extends to push the adjusting rod to move. The movable adjusting rod pushes the wheel shaft and the guide wheel to move through the mounting seat, the working double-shaft motor controls the two hydraulic cylinders to extend simultaneously to push the adjusting rod through the two output shafts, the two extruding plates, the two mounting pipes and the two guide pipes, so that the two ends of the guide wheel are subjected to pushing force simultaneously, the stability of the guide wheel when the track is tightly tensioned through the guide wheel is ensured, the situation that the guide wheel is inclined in the adjusting process is avoided, and the working stability of the guide wheel is ensured.
Description
Technical Field
The utility model relates to a guiding wheel device, in particular to a tensionable guiding wheel device, and belongs to the technical field of guiding wheel transmission.
Background
In the long-term use process of the traveling crawler belt of the heading machine, the total length of the crawler belt is prolonged due to plastic deformation and abrasion of pin shaft holes of connecting pin shafts among the crawler plates, so that the phenomena of chain clamping and chain releasing of the heading machine are caused in the traveling process.
Current patent application number: 201020544208.7 the utility model discloses a track tensioning guide wheel device, which comprises a guide wheel arranged on a bracket, and a butter cylinder with a base connected to a machine base, wherein a piston rod of the butter cylinder extends into a spring cavity at the rear end of the bracket, a compression spring is sleeved on the piston rod, the front end of the compression spring is propped against a partition wall of the bracket, and the rear end of the compression spring is propped against a shaft shoulder of the piston rod. The piston rod of the yellow oil cylinder pushes the bracket and the guide wheel to move through the compression spring so as to achieve the purpose of tensioning the crawler belt, and the crawler belt has the advantages of simple structure, low cost, high operation reliability and the like.
When the technology is applied, the tensioning mechanism which occupies a large amount of space is arranged, but when the guiding wheel is adjusted, only one end of the guiding wheel is applied with force, so that the balance of the guiding wheel is easily damaged, and the working quality of the guiding wheel is reduced. Affecting the normal use of the guiding wheel.
Disclosure of Invention
The utility model aims to solve the problems, and provides a tensioning guide wheel device which can be tensioned, so as to solve the problems that in the prior art, a tensioning mechanism which occupies a large space is arranged, but when the guide wheel is adjusted, only one end of the guide wheel is applied with force, so that the balance of the guide wheel is easily damaged, and the working quality of the guide wheel is reduced. And affects the normal use of the guide wheel.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a can tensioning guide wheel device, includes the guide wheel, the equal fixedly connected with shaft in guide wheel both ends make guide wheel both ends receive the power of pushing simultaneously, guarantee the stability of guide wheel when rising tightly through guide wheel adjustment track, avoid the guide wheel to appear the condition of slope in the adjustment process, guarantee the stability of guide wheel work, the wheel axle outside rotates the cover and is equipped with the mount pad, mount pad one end fixedly connected with adjusts the pole, two be provided with the regulating box between the regulation pole, the inside fixedly connected with biax motor of regulating box, biax motor both ends all are provided with reciprocating screw, the reciprocating screw outside is equipped with the stripper plate through the vice cover of nut, two stripper plate one side all is provided with the pneumatic cylinder, stripper plate both sides all are provided with the closing plate.
Preferably, two adjust pole one end and all extend to the regulating box inside, the pneumatic cylinder sets up in the regulating box inside, pneumatic cylinder fixed connection is between regulating box and adjusting the pole, and hydraulic oil is through mounting tube and honeycomb duct infusion to inside the pneumatic cylinder, makes the pneumatic cylinder extend to push away and adjusts the pole and remove. The movable adjusting rod pushes the wheel shaft and the guide wheel to move through the mounting seat, and the adjustment work of the guide wheel is completed, so that the aim of tensioning the crawler belt is fulfilled.
Preferably, one end of the reciprocating screw rod is fixedly connected with an output shaft, the working double-shaft motor drives the two output shafts to rotate, the two output shafts drive the two reciprocating screw rods to rotate, the rotating reciprocating screw rods drive the extrusion plates in threaded connection on the outer sides to move, and the two output shafts are fixedly connected with the output ends on the two sides of the double-shaft motor respectively.
Preferably, the output shaft outside and the reciprocating screw outside are all rotated the cover and are equipped with the backup pad, and output shaft and reciprocating screw outside are rotated the cover and are equipped with the backup pad, support output shaft and reciprocating screw's work through the backup pad, avoid output shaft and reciprocating screw rotatory in-process to rock, guarantee output shaft and reciprocating screw driven stability, backup pad and regulating box fixed connection.
Preferably, the sealing plate is rotationally sleeved on the outer side of the reciprocating screw rod, sealing plates are arranged on two sides of the extruding plate, hydraulic oil on one side of the extruding plate is sealed, leakage hydraulic oil is prevented from contacting the double-shaft motor and the adjusting rod, the double-shaft motor and the adjusting rod are protected, and the sealing plates are fixedly connected with the adjusting box.
Preferably, the telescopic pipe is fixedly connected between the extruding plate and the sealing plate close to the adjusting rod, the installing pipe is fixedly connected between the sealing plate and the supporting plate, the moving extruding plate extrudes hydraulic oil between the extruding plate and the sealing plate, the hydraulic oil is infused into the hydraulic cylinder through the installing pipe and the guide pipe, the hydraulic cylinder extends to push the adjusting rod to move, and the guide pipe is fixedly connected between the installing pipe and the hydraulic cylinder.
Preferably, the fixed cover in the regulation pole outside is equipped with the limiting plate, fixedly connected with reset spring between limiting plate and the regulating box, install reset spring between limiting plate and the regulating box, after the reverse work of biax motor, hydraulic oil is at the reset spring who rebounds and the negative pressure that the stripper plate removed and is produced, quick back to inside the flexible pipe.
The utility model provides a tensionable guide wheel device, which has the following beneficial effects:
the tensioning guide wheel device comprises a movable extrusion plate, a sealing plate and a hydraulic oil pipe, wherein the movable extrusion plate extrudes hydraulic oil between the extrusion plate and the sealing plate, and the hydraulic oil is infused into a hydraulic cylinder through an installation pipe and the guide pipe, so that the hydraulic cylinder extends to push the adjusting rod to move. The movable adjusting rod pushes the wheel shaft and the guide wheel to move through the mounting seat, the working double-shaft motor controls the two hydraulic cylinders to extend simultaneously to push the adjusting rod through the two output shafts, the two extruding plates, the two mounting pipes and the two guide pipes, so that the two ends of the guide wheel are subjected to pushing force simultaneously, the stability of the guide wheel when the track is tightly tensioned through the guide wheel is ensured, the situation that the guide wheel is inclined in the adjusting process is avoided, and the working stability of the guide wheel is ensured.
The tensioning guide wheel device is characterized in that a reset spring is arranged between a limiting plate and an adjusting box, and after the double-shaft motor works reversely, hydraulic oil rapidly returns to the inside of the telescopic tube under the action of negative pressure generated by rebound reset spring and movement of the extruding plate. The hydraulic cylinder drives the adjusting rod to reset, and the guiding wheel is pulled to reset. And the telescopic pipe is arranged to seal and store hydraulic oil, reduce leakage waste of the hydraulic oil, seal the hydraulic oil on one side of the extrusion plate, prevent the leaked hydraulic oil from contacting with the double-shaft motor and the adjusting rod, and protect the double-shaft motor and the adjusting rod.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the regulating box of the present utility model;
FIG. 3 is a schematic view showing the structure of the squeeze plate of the present utility model;
FIG. 4 is a schematic view of a limiting plate according to the present utility model;
fig. 5 is a schematic structural diagram of the dual-shaft motor and the output shaft of the present utility model.
In the figure: 1. a guide wheel; 2. a wheel axle; 3. an adjusting box; 4. an adjusting rod; 5. a mounting base; 6. a biaxial motor; 7. a hydraulic cylinder; 8. a limiting plate; 9. a return spring; 10. a flow guiding pipe; 11. an output shaft; 12. a reciprocating screw rod; 13. a support plate; 14. a sealing plate; 15. installing a pipe; 16. a telescopic tube; 17. and extruding the plate.
Detailed Description
Embodiments of the present utility model provide tensionable guide wheel arrangements.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, including guide wheel 1, guide wheel 1 both ends equal fixedly connected with shaft 2, shaft 2 outside rotation cover is equipped with mount pad 5, mount pad 5 one end fixedly connected with adjusts pole 4, be provided with adjusting box 3 between two adjust poles 4, adjust pole 4 outside fixed cover and be equipped with limiting plate 8, fixedly connected with reset spring 9 between limiting plate 8 and the adjusting box 3, two adjust pole 4 one end all extends to adjusting box 3 inside, the pneumatic cylinder 7 sets up in adjusting box 3 inside, the pneumatic cylinder 7 fixedly connected with between adjusting box 3 and adjusting pole 4, adjusting box 3 inside fixedly connected with biax motor 6, biax motor 6 both ends all are provided with reciprocating screw 12, reciprocating screw 12 one end fixedly connected with output shaft 11, two output shafts 11 respectively with biax motor 6 both sides output end fixed connection, the equal rotation cover in output shaft 11 outside and reciprocating screw 12 outside is equipped with backup pad 13, backup pad 13 and adjusting box 3 fixed connection, the reciprocating screw 12 outside is equipped with stripper plate 17 through nut pair cover, two stripper plate 17 one side all is provided with pneumatic cylinder 7, stripper plate 17 both sides are provided with 14, be provided with seal plate 14 and sealing plate 14 are connected with seal plate 14 between sealing plate 14 and the fixed connection sealing plate 14, be close to sealing plate 14 between the fixed connection sealing plate 14 and the sealing plate 14, be connected with sealing plate 14 between the sealing plate 14 and the fixed connection 14, and the sealing plate 15 is fixed connection between the sealing plate and the sealing plate 14 is provided with sealing plate 15.
Specifically, after the wheel shaft 2 fixed by the guide wheel 1 and the mounting seat 5 are mounted, the adjusting box 3 is mounted on the machine base, and the guide wheel 1 is mounted. When the crawler belt is required to be tensioned through the guide wheel 1, the double-shaft motor 6 is controlled to work, the output ends at two sides of the working double-shaft motor 6 drive the two output shafts 11 to rotate, as shown in fig. 5, the two output shafts 11 drive the two reciprocating screw rods 12 to rotate, and the rotating reciprocating screw rods 12 drive the extrusion plate 17 sleeved outside through the nut pair to move. The moving squeeze plate 17 squeezes hydraulic oil between the squeeze plate 17 and the seal plate 14, and the hydraulic oil is infused into the hydraulic cylinder 7 through the installation tube 15 and the guide tube 10, so that the hydraulic cylinder 7 extends to push the adjustment rod 4 to move. The movable adjusting rod 4 pushes the wheel shaft 2 and the guide wheel 1 to move through the mounting seat 5, and the adjustment work of the guide wheel 1 is completed, so that the purpose of tensioning the crawler belt is achieved, and the crawler belt tensioning device has the advantages of being simple in structure and low in cost. The double-shaft motor 6 which works controls the two hydraulic cylinders 7 to simultaneously extend and push the adjusting rod 4 through the two output shafts 11, the two extruding plates 17, the two mounting pipes 15 and the two guide pipes 10, so that the two ends of the guide wheel 1 are simultaneously pushed, the stability of the guide wheel 1 when the track tensioning is adjusted through the guide wheel 1 is ensured, the situation that the guide wheel 1 inclines in the adjusting process is avoided, and the working stability of the guide wheel 1 is ensured.
The limiting plate 8 is fixedly sleeved on the outer side of the adjusting rod 4, the reset spring 9 is arranged between the limiting plate 8 and the adjusting box 3, and after the double-shaft motor 6 works reversely, hydraulic oil quickly returns to the inside of the telescopic tube 16 under the action of negative pressure generated by the rebound reset spring 9 and the movement of the extrusion plate 17. The hydraulic cylinder 7 drives the adjusting rod 4 to reset, and the guiding wheel 1 is pulled to reset. And the telescopic pipe 16 is arranged to seal and store the hydraulic oil, so that leakage and waste of the hydraulic oil are reduced.
The support plate 13 is rotatably sleeved outside the output shaft 11 and the reciprocating screw rod 12, the work of the output shaft 11 and the reciprocating screw rod 12 is supported through the support plate 13, shaking of the output shaft 11 and the reciprocating screw rod 12 in the rotating process is avoided, and the stability of transmission of the output shaft 11 and the reciprocating screw rod 12 is ensured. And sealing plates 14 are arranged on two sides of the extrusion plate 17, hydraulic oil on one side of the extrusion plate 17 is sealed, and the leaked hydraulic oil is prevented from contacting the double-shaft motor 6 and the adjusting rod 4, so that the double-shaft motor 6 and the adjusting rod 4 are protected.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Tensionable guiding wheel device, including guiding wheel (1), its characterized in that: the novel guide wheel is characterized in that the two ends of the guide wheel (1) are fixedly connected with the wheel shaft (2), the installation seat (5) is sleeved outside the wheel shaft (2), one end of the installation seat (5) is fixedly connected with the adjusting rod (4), two adjusting rods (4) are arranged between the adjusting rods (3), the two shafts (6) are fixedly connected inside the adjusting rods (3), the two ends of the two shafts (6) are respectively provided with the reciprocating screw rod (12), the outer side of the reciprocating screw rod (12) is provided with the extruding plate (17) through the nut auxiliary sleeve, two sides of the extruding plate (17) are respectively provided with the hydraulic cylinder (7), and two sides of the extruding plate (17) are respectively provided with the sealing plate (14).
2. The tensionable guide wheel apparatus of claim 1, wherein: two adjust pole (4) one end all extends to adjusting box (3) inside, pneumatic cylinder (7) set up in adjusting box (3) inside, pneumatic cylinder (7) fixed connection is between adjusting box (3) and adjusting pole (4).
3. The tensionable guide wheel apparatus of claim 1, wherein: one end of the reciprocating screw rod (12) is fixedly connected with an output shaft (11), and the two output shafts (11) are respectively fixedly connected with the output ends of the two sides of the double-shaft motor (6).
4. A tensionable guide wheel apparatus according to claim 3, wherein: the outer side of the output shaft (11) and the outer side of the reciprocating screw rod (12) are rotatably sleeved with a supporting plate (13), and the supporting plate (13) is fixedly connected with the adjusting box (3).
5. The tensionable guide wheel apparatus of claim 1, wherein: the sealing plate (14) is rotationally sleeved on the outer side of the reciprocating screw rod (12), and the sealing plate (14) is fixedly connected with the adjusting box (3).
6. The tensionable guide wheel apparatus of claim 1, wherein: the telescopic pipe type hydraulic device is characterized in that a telescopic pipe (16) is fixedly connected between the extrusion plate (17) and a sealing plate (14) close to the adjusting rod (4), an installation pipe (15) is fixedly connected between the sealing plate (14) and the supporting plate (13), and a honeycomb duct (10) is fixedly connected between the installation pipe (15) and the hydraulic cylinder (7).
7. The tensionable guide wheel apparatus of claim 1, wherein: the outside fixed cover of adjusting pole (4) is equipped with limiting plate (8), fixedly connected with reset spring (9) between limiting plate (8) and adjusting box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321881270.9U CN220640067U (en) | 2023-07-18 | 2023-07-18 | Tensioning guide wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321881270.9U CN220640067U (en) | 2023-07-18 | 2023-07-18 | Tensioning guide wheel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220640067U true CN220640067U (en) | 2024-03-22 |
Family
ID=90292287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321881270.9U Active CN220640067U (en) | 2023-07-18 | 2023-07-18 | Tensioning guide wheel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220640067U (en) |
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2023
- 2023-07-18 CN CN202321881270.9U patent/CN220640067U/en active Active
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