CN212153508U - Quick-change cutting disc - Google Patents
Quick-change cutting disc Download PDFInfo
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- CN212153508U CN212153508U CN202020047438.6U CN202020047438U CN212153508U CN 212153508 U CN212153508 U CN 212153508U CN 202020047438 U CN202020047438 U CN 202020047438U CN 212153508 U CN212153508 U CN 212153508U
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Abstract
The utility model belongs to the ditching machine field specifically discloses quick change cutting dish, including the mounting bracket, be equipped with the ditching dish on the mounting bracket and be used for driving the rotatory hydraulic motor of ditching dish, the outer border of ditching dish is equipped with the ditching cutter, and hydraulic motor is located ditching dish center department top, and hydraulic motor even has hydraulic rubber tube, and hydraulic rubber tube passes through quick change coupler and links on hydraulic motor. The utility model discloses the power transmission of hydraulic motor output to the ditching dish, thereby the drive ditching dish is rotatory, thereby the ditching cutter of ditching dish outer border setting is rotatory thereupon realizes the ditching, because the power structure of ditching dish is hydraulic motor promptly and is located ditching dish center department top, the power unit with among the prior art cutting dish is located cutting dish center department and compares, the power unit eccentric settings of this scheme, consequently, the ditching degree of depth of cutting dish can increase, can reduce the size of current cutting dish when opening the ditch of the same degree of depth promptly, reduce the cost.
Description
Technical Field
The utility model relates to a ditching machine field, concretely relates to quick change formula cutting dish.
Background
Natural gas line's installation needs earlier to ditch subaerial, the central point at the cutting disc is all installed to the actuating mechanism of present most ditching machines puts, the during operation only the lower half of carousel can carry out the ditching operation, and because actuating mechanism also can occupy certain space, therefore during actual ditching, still less than half cutting disc diameter on the part that the cutting disc carries out the ditching operation, reach required ditching degree of depth, must design the cutting disc size of ditching machine than great, cause the cost than higher. Therefore, increasing the working area of the cutting disc during ditching to increase the ditching depth and reduce the size of the existing cutting disc is a technical problem which is urgently needed to be solved by the current industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick change cutting disk can increase the ditching degree of depth of cutting disk to can reduce the size of current cutting disk when opening the ditch of same degree of depth, reduce cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
quick change cutting dish, the mounting bracket comprises a mounting bracket, the mounting bracket includes the roof and connects the curb plate of two parallels on the roof, be equipped with the ditching dish between two curb plates, the curb plate all includes by last to lower upper junction plate that connects gradually, cross cab apron and lower connecting plate, lower connecting plate is located ditching dish limit inboard, the upper junction plate is located the ditching dish limit outside, the upper junction plate is fixed with and is used for driving the rotatory hydraulic motor of ditching dish, and hydraulic motor even has the hydraulic hose, the hydraulic hose passes through quick change coupler and links on hydraulic motor.
The principle and the beneficial effect of the scheme are that:
the mounting bracket is used for installing ditching dish and hydraulic motor, the power transmission of hydraulic motor output to ditching dish, thereby the drive ditching dish is rotatory, realize the ditching operation, because the power unit of ditching dish is hydraulic motor promptly and is located ditching dish center department top, power unit with among the prior art cutting dish is located cutting dish center department and compares, the power unit eccentric settings of this scheme, again because the lower connecting plate on the curb plate of mounting bracket is located ditching dish limit inboard, consequently, the lower connecting plate of curb plate can get into the ditch along with the ditching dish in, the operation area increase of ditching dish, consequently, the ditching degree of depth of cutting dish can increase, can reduce the size of current cutting dish when opening the ditch of same degree of depth promptly, reduce the cost.
In addition, aiming at the existing hydraulic motor, when a maintainer cleans or replaces a material conveying valve of the hydraulic motor, the hydraulic rubber pipe needs to be disassembled and assembled, and the process needs to consume longer time. According to the scheme, the hydraulic rubber hose of the hydraulic motor is installed on the hydraulic motor through the quick-change connector, and the hydraulic rubber hose can be quickly disassembled and assembled.
Further, quick-change couplings include hydraulic and mechanical types. The hydraulic quick-change connector and the mechanical quick-change connector are of two common quick-change connector structures.
Furthermore, all link between upper junction plate and the cab apron has the strengthening rib. The reinforcing ribs are used for increasing the strength of the side plates and reducing the deformation of the side plates.
Further, the transition plate is an inclined plate. The upper connecting plate is connected with the lower connecting plate through the inclined plate, and the structure is more stable.
Furthermore, a supporting shaft is fixed between the lower connecting plates of the two side plates, the two ends of the supporting shaft are also located on the inner sides of the edges of the ditching plate, a round hole is ditched in the center of the ditching plate, and the supporting shaft and the lower connecting plates of the two side plates are located on the inner sides of the round hole.
Furthermore, a gear speed increasing box is fixed on the outer side of one side plate, a gear reduction box is fixed on the inner side of the side edge of the ditching plate, the gear reduction box is located on the inner side of the side edge of the ditching plate and below the gear speed increasing box, a hydraulic motor is fixed on the outer wall of the gear reduction box, the input end of the gear speed increasing box is connected with the output shaft of the hydraulic motor, the output end of the gear speed increasing box is connected with the input end of the gear reduction box, and the output end of the gear reduction box is connected with the ditching plate. Hydraulic motor carries out the speed reduction through gear speed increasing mechanism acceleration rate rethread gear reduction mechanism earlier in this scheme, aim at: set up gear reduction mechanism, the moment of torsion can increase behind the gear reduction transmission, therefore gear reduction transmission's effect is the moment of torsion in order to increase ditching dish to make ditching dish can cut harder ground, like cement ground etc. thereby make the ditching dish of this scheme be applicable to soft soil ground and hard ground simultaneously, application scope is wider. But the rotational speed that will cause the ditching dish after gear reduction drive descends, and the linear velocity at ditching dish border reduces promptly, and the efficiency height of ditching directly relates to with the linear velocity at ditching dish border, if ditching dish linear velocity is slower, then ditching efficiency also can be slower, through setting up gear acceleration mechanism, has solved the problem that the ditching dish rotational speed that causes because of gear reduction reduces and leads to cutting efficiency to reduce. In addition, the gear speed increasing box and the gear reduction box are adopted for power transmission, when the ditching disc rotates to ditch, the gear speed increasing box and the gear reduction box play a role in transmission and buffering, impact force from the ditching disc acts on the hydraulic motor after being buffered by the gear speed increasing box and the gear reduction box, impact on the hydraulic motor during ditching can be reduced, and therefore the service life of the hydraulic motor is prolonged.
Furthermore, the roof is the slot-like, and the roof both ends all are fixed with the mounting bar, and one of them curb plate is fixed on one of them mounting bar, gear speed-increasing box and another mounting bar fixed connection on another curb plate. The two side plates and the gear reduction box are conveniently fixed on the top plate of the mounting frame by the aid of the two mounting strips.
Furthermore, a driving gear and a primary transmission gear are arranged in the gear speed increasing box, the driving gear is located above the primary transmission gear, a secondary transmission gear and a driven gear are arranged in the gear speed reducing box, the secondary transmission gear is located below the driven gear, the driven gear is fixedly connected with the ditching disc, and the primary transmission gear is coaxially and fixedly connected with the secondary transmission gear. The power output by the hydraulic motor is transmitted to the ditching disc through the driving gear, the first-stage transmission gear, the second-stage transmission gear and the driven gear in sequence, and the ditching disc is driven to rotate.
Furthermore, the gear speed increasing box is a cuboid. Because the driving gear and the first-stage transmission gear in the gear speed increasing box are arranged up and down, the gear speed increasing box is of a cuboid structure.
Drawings
Fig. 1 is a front view of a first embodiment of the present invention;
FIG. 2 is a view of the construction of FIG. 1 after installation of the trenching disk;
FIG. 3 is a rear view of FIG. 2;
fig. 4 is an internal structural view of the gear box 5 in fig. 2;
FIG. 5 is an internal structural view of the gear reducer 6 of FIG. 2;
fig. 6 is an internal structural view of the gear box 5 and the gear box 6 of fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a top plate 1, a left side plate 2, a reinforcing rib 200, an upper connecting plate 201, a transition plate 202, a lower connecting plate 203, a right side plate 3, a hydraulic motor 4, a quick-change connector 40, a hydraulic rubber hose 41, a gear speed increasing box 5, a gear speed reducing box 6, a ditching disc 7, a ditching cutter 70, a driving gear 8, a primary transmission gear 9, a secondary transmission gear 10, a driven gear 11, a rotating shaft 12 and a supporting shaft 13.
Example one
As shown in figure 1, the cutting disc for ditching of the embodiment comprises a mounting frame, wherein the mounting frame comprises a transverse top plate 1 and a vertical left side plate 2 and a vertical right side plate 3 which are fixed on the top plate 1. The left side plate 2 and the right side plate 3 have the same structure and respectively comprise an upper connecting plate 201, a transition plate 202 and a lower connecting plate 203 which are fixedly connected from top to bottom in sequence, the transition plate 202 is an inclined plate, and a reinforcing rib 200 is fixed between the upper connecting plate 201 and the transition plate 202.
Referring to fig. 1 and 2, a ditching disc 7 is arranged between the left side plate 2 and the right side plate 3, a ditching cutter 70 is fixed on the outer edge of the ditching disc 7, and cutter teeth are arranged on the surface of the ditching cutter 70. A gear speed increasing box 5 is fixed on the outer side surface of the right side plate 3, a gear reduction box 6 is fixed on the inner side surface of the right side plate 3, the gear speed increasing box 5 is located above the gear reduction box 6, and a rotating gap is formed between the gear reduction box 6 and the right side surface of the ditching disc 7.
As shown in fig. 1, a hydraulic motor 4 is fixedly mounted on the outer side surface of the gear speed increasing box 5, the hydraulic motor 4 is positioned above the center of the ditching disc 7, the hydraulic motor 4 is connected with a hydraulic rubber hose 41, and the hydraulic rubber hose 41 is connected to the hydraulic motor 4 through a quick-change connector 40. The quick-change coupling 40 comprises a hydraulic type and a mechanical type, and can be selected from the following types: a Parker quick connector, a Haiwo hydraulic quick-change connector, an Eaton steel quick-change connector or a Datong JS-S2 series quick-change connector.
Referring to fig. 4, 5 and 6, a driving gear 8 and a primary transmission gear 9 which are meshed with each other are installed in the gear speed increasing box 5, the driving gear 8 is located right above the primary transmission gear 9, a secondary transmission gear 10 and a driven gear 11 which are meshed with each other are installed in the gear speed reducing box 6, and the secondary transmission gear 10 is located right above the driven gear 11. The specific installation mode of the driving gear 8, the primary transmission gear 9, the secondary transmission gear 10 and the driven gear 11 is as follows: referring to fig. 3 and 6, the output shaft of the hydraulic motor 4 extends into the gear box 5, and the driving gear 8 is fixedly sleeved on the output shaft of the hydraulic motor 4 through a flat key; a rotating shaft 12 penetrates through the gear speed increasing box 5, the rotating shaft 12 penetrates through the right side plate 3 and then extends into the gear speed reducing box 6, ball bearings are mounted at positions of the rotating shaft 12, which penetrate through the gear speed increasing box 5 and the right side plate 3, and are used for supporting the rotating shaft 12 and facilitating rotation of the rotating shaft 12, and the primary transmission gear 9 and the secondary transmission gear 10 are sleeved on the rotating shaft 12 through flat keys; a round hole is formed in the middle of the ditching disc 7, a supporting shaft 13 penetrates through the round hole, two ends of the supporting shaft 13 are located on the inner sides of the edges of the ditching cutters 70, the lower connecting plates 203 of the left side plate 2 and the right side plate 3 are also located on the inner sides of the round holes, two ends of the supporting shaft 13 are fixed on the left side plate 2 and the right side plate 3 respectively, the driven gear 11 is mounted on the supporting shaft 13 through ball bearings, and the driven gear 11 is fixedly connected with the ditching disc 7 (the specific mode of the fixed connection is that at least two fixing holes are formed in the driven gear 11 and the ditching disc 7 correspondingly, and the driven gear 11 and the ditching disc 7 are fixed through fixing pins penetrating.
The power of the hydraulic motor 4 is transmitted to the ditching disc 7 through the gear speed increasing box 5 and the gear speed reducing box 6, so that the ditching disc 7 is driven to rotate, and the ditching cutter 70 on the ditching disc 7 rotates to realize ditching.
Because the gear reduction box 6 is positioned at the inner side of the edge of the ditching cutter 70, the gear reduction box 6 can enter a ditch along with the ditching disc 7, the ditching depth of the cutting disc is greatly increased, the size of the cutting disc is reduced, and the cost is reduced.
The utility model discloses hydraulic motor 4 reduces speed through gear speed increasing mechanism acceleration rate rethread gear reduction mechanism earlier, aim at: set up gear reduction mechanism, the moment of torsion can increase behind the gear reduction transmission, therefore gear reduction transmission's effect is the moment of torsion in order to increase ditching dish 7 to make ditching dish 7 can cut harder ground, like cement ground etc. thereby make the ditching dish 7 of this scheme be applicable to soft soil ground and hard ground simultaneously, application scope is wider. But the rotational speed of the ditching disc 7 will be reduced after the gear reduction transmission, namely the linear velocity of the ditching cutter 70 fixed at the edge of the ditching disc 7 is reduced, the ditching efficiency is directly related to the linear velocity of the ditching cutter 70 fixed at the edge of the ditching disc 7, if the linear velocity of the ditching cutter 70 is slow, the ditching efficiency is also slow, and the problem of cutting efficiency reduction caused by the reduction of the rotational speed of the ditching disc 7 due to the gear reduction is solved by arranging the gear speed increasing mechanism.
In addition, the gear speed increasing box 5 and the gear reduction box 6 are adopted for power transmission, when the ditching disc 7 rotates to ditch, the gear speed increasing box 5 and the gear reduction box 6 play a role in transmission and buffering, impact force from the ditching disc 7 is buffered by the gear speed increasing box 5 and the gear reduction box 6 and then acts on the hydraulic motor 4, impact on the hydraulic motor 4 during ditching can be reduced, and therefore the service life of the hydraulic motor 4 is prolonged.
Example two
The difference between this embodiment and the first embodiment is: in the embodiment, the transmission ratios of the gear speed increasing box 5 and the gear speed reducing box 6 are reciprocal. In this embodiment, the power output by the hydraulic motor 4 is firstly transmitted to the ditching disc 7 through the gear speed increasing box 5 and then the gear reduction box 6, and the transmission ratios of the gear speed increasing box 5 and the gear reduction box 6 are reciprocal, so that the rotating speed output by the hydraulic motor 4 is kept unchanged, the rotating speed of the power output by the hydraulic motor 4 is not reduced, and the ditching efficiency of the ditching disc 7 is ensured.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. Quick-change cutting disk, its characterized in that: the automatic ditching machine comprises a mounting rack, the mounting bracket includes roof and two parallel curb plates of connection on the roof, is equipped with the ditching dish between two curb plates, the curb plate all includes by last to lower upper junction plate, transition plate and the lower connecting plate that connects gradually, the connecting plate is located ditching dish limit inboard down, the upper junction plate is located the ditching dish limit outside, the upper junction plate is fixed with and is used for driving the rotatory hydraulic motor of ditching dish, and hydraulic motor even has hydraulic rubber pipe, and hydraulic rubber pipe passes through quick change coupler and links on hydraulic motor.
2. The quick-change cutting disk of claim 1, wherein: the quick-change connector comprises a hydraulic type and a mechanical type.
3. The quick-change cutting disk of claim 2, wherein: and reinforcing ribs are connected between the upper connecting plate and the transition plate.
4. The quick-change cutting disk of claim 3, wherein: the transition plate is an inclined plate.
5. The quick-change cutting disk of claim 4, wherein: a supporting shaft is fixed between the lower connecting plates of the two side plates, the two ends of the supporting shaft are also positioned on the inner sides of the edges of the ditching plate, a round hole is ditched in the center of the ditching plate, and the supporting shaft and the lower connecting plates of the two side plates are both positioned on the inner sides of the round hole.
6. The quick-change cutting disk according to any one of claims 1 to 5, wherein: the outer side of one side plate is fixed with a gear speed increasing box, the inner side of the other side plate is fixed with a gear speed reducing box, the gear speed reducing box is positioned on the inner side of the edge of the ditching plate, the gear speed reducing box is positioned below the gear speed increasing box, the hydraulic motor is fixed on the outer wall of the gear speed reducing box, the input end of the gear speed increasing box is connected with the output shaft of the hydraulic motor, the output end of the gear speed increasing box is connected with the input end of the gear speed reducing box, and the output end of the gear speed reducing box is.
7. The quick-change cutting disk of claim 6, wherein: the roof is the slot-like, and the roof both ends all are fixed with the mounting bar, and one of them curb plate is fixed on one of them mounting bar, gear speed-increasing box and another mounting bar fixed connection on another curb plate.
8. The quick-change cutting disk of claim 6, wherein: the ditching device is characterized in that a driving gear and a primary transmission gear are arranged in the gear speed increasing box, the driving gear is located above the primary transmission gear, a secondary transmission gear and a driven gear are arranged in the gear speed increasing box, the secondary transmission gear is located below the driven gear, the driven gear is fixedly connected with the ditching disc, and the primary transmission gear is coaxially and fixedly connected with the secondary transmission gear.
9. The quick-change cutting disk according to claim 7 or 8, characterized in that: the gear speed increasing box is a cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020047438.6U CN212153508U (en) | 2020-01-09 | 2020-01-09 | Quick-change cutting disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020047438.6U CN212153508U (en) | 2020-01-09 | 2020-01-09 | Quick-change cutting disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212153508U true CN212153508U (en) | 2020-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020047438.6U Active CN212153508U (en) | 2020-01-09 | 2020-01-09 | Quick-change cutting disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212153508U (en) |
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2020
- 2020-01-09 CN CN202020047438.6U patent/CN212153508U/en active Active
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