Saw chain with densely arranged teeth

Abstract

The utility model discloses a saw chain with densely arranged teeth. Comprising a saw chain body, the saw chain body is formed by riveting blades, connecting pieces and transmission pieces through pivot pins, the corresponding blades are arranged between every two adjacent transmission pieces, and every two adjacent blades are arranged on the two sides of the corresponding transmission piece in a left-right alternating mode; the saw line width W is determined by the two blades distributed left and right; and the product of the saw line width W, the maximum height H and the average pitch C ranges from 549.9 mm to 752.7 mm. According to the saw chain, the blades are installed between every two adjacent transmission pieces, the saw line width, the maximum height and the average pitch of the saw chain are optimized so as to adapt to the blade layout mode, the whole saw chain is more reasonable, the cutting strength is higher, and the cutting effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of saw chains, in particular to a close-packed tooth saw chain. Background Art

[0002] Most of the existing chain saws are used for logging and lumbering, and the shearing action is performed by the rotational movement of the staggered L-shaped blades on the saw chain around the guide bar.

[0003] The blades of the conventional saw chain are usually arranged at intervals on the transmission plate, such as the attached Figure 6 The figure shows a common saw chain, in which the first transmission plate 91 and the second transmission plate 92 are connected via a blade 93, and the second transmission plate 92 and the third transmission plate 94 are connected via a connecting plate 95, and the cycle continues.

[0004] As shown in the patent document CN114274269A, the first transmission plate is connected to the second transmission plate via two connecting plates, and the second transmission plate is connected to the third transmission plate via a blade, and the cycle continues.

[0005] The saw chain of the above type is difficult to cut materials with relatively high hardness, and therefore, the applicant has made further improvements. Utility Model Content

[0006] The utility model aims at the deficiencies in the prior art and provides a close-packed tooth saw chain.

[0007] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0008] A close-packed tooth saw chain, comprising a saw chain body, wherein the saw chain body is formed by riveting a blade, a connecting plate, and a transmission plate through a pivot pin, wherein a corresponding blade is disposed between each two adjacent transmission plates, and the two adjacent blades are alternately arranged on both sides of the transmission plate;

[0009] The two blades distributed on the left and right determine the sawing path width W;

[0010] The maximum height H is determined from the lowest end of the transmission plate to the highest end of the blade;

[0011] The distance between the centers of the two mounting holes on the transmission plate is C1, the distance between the centers of the two mounting holes on the connecting plate is C2, and the average pitch of the saw chain body is C=(C1+C2) / 2;

[0012] The product of the saw path width W, the maximum height H and the average pitch C ranges from 549.9 to 752.7 mm³.

[0013] In the above solution, preferably, the connecting piece is arranged between two adjacent transmission pieces, and the blade is arranged on the opposite side of each connecting piece.

[0014] In the above scheme, preferably, the product of the saw path width W, the maximum height H and the average pitch C is 653.3 mm³.

[0015] In the above scheme, preferably, the value range of the saw path width W is 4.7-5.7 mm, the value range of the maximum height H is 13-13.9 mm, and the value range of the average pitch C is 9-9.5 mm.

[0016] In the above scheme, preferably, the saw path width W is 5.2 mm, the maximum height H is 13.48 mm, and the average pitch C is 9.32 mm.

[0017] In the above solution, preferably, the connecting piece includes a notch, and the notch is arranged downward.

[0018] In the above solution, preferably, the upper edge of the connecting piece is a flat wall, and the lower edge of the connecting piece includes a concave wall.

[0019] In the above solution, preferably, the blade includes a notch, and the notch is arranged downward.

[0020] In the above solution, preferably, the blade is an alloy blade.

[0021] In the above solution, preferably, the hardness range of the blade is 54-57HRC.

[0022] The beneficial effects of the utility model are:

[0023] The utility model installs a blade at the position between each adjacent transmission sheet, and optimizes the saw path width, maximum height and average pitch of the saw chain to adapt to the blade layout mode, which is more reasonable as a whole, has higher cutting strength and better cutting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the utility model.

[0025] Figure 2 It is a schematic diagram of the transmission plate of the utility model.

[0026] Figure 3 It is a schematic diagram of the connecting piece of the utility model.

[0027] Figure 4 It is a schematic diagram of the blade of the utility model.

[0028] Figure 5It is a schematic diagram of the saw path width W of the utility model.

[0029] Figure 6 Schematic diagram of a common saw chain. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementations:

[0031] Embodiment 1:

[0032] See also Figure 1-Figure 5 A close-packed tooth saw chain comprises a saw chain body, wherein the saw chain body is formed by riveting a blade 1, a connecting piece 2, and a transmission piece 3 through a pivot pin, the transmission pieces 3 are arranged in pairs, and a corresponding blade 1 is arranged between each two adjacent transmission pieces 3, and a connecting piece 2 is correspondingly arranged on the opposite side of each blade 1, and the connecting piece 2 and the blade 1 can be identified as a group, and a group of connecting pieces 2 and blades 1 is arranged between each two adjacent transmission pieces 3, and the connecting piece 2 and the blade 1 are respectively arranged on the left and right sides of the transmission piece 3, and the blades 1 are respectively arranged on the left and right sides of the transmission piece 3, and the blades 1 are respectively arranged alternately on the left and right sides of the transmission piece 3, such as a blade is installed on the left side between the first transmission piece and the second transmission piece, and a connecting piece is installed on the right side; a connecting piece is installed on the left side between the second transmission piece and the third transmission piece, and a blade is installed on the right side, and so on.

[0033] In this embodiment, the upper edge of the connecting piece 2 is a flat wall 21, and the lower edge includes an inner concave wall 22, forming a notch design to improve its strength and the smoothness of the saw chain when cutting. As one option, the notch is arranged downward, such as Figure 1 , Figure 3 shown.

[0034] In this embodiment, the blade 1 includes a notch 11, and the notch 11 is arranged downward to improve its strength and the smoothness of the saw chain when cutting. Figure 1 , Figure 4 shown.

[0035] In this embodiment, the blade 1 is an alloy blade, and the hardness range of the blade 1 is 54-57HRC.

[0036] After improving the blade layout of the saw chain, the corresponding dimensions need to be designed accordingly to make its overall layout more reasonable and achieve higher strength and higher cutting effect.

[0037] The two blades 1 distributed on the left and right determine the saw path width W, and the lowest end of the transmission plate 3 to the highest end of the blade 1 determines the maximum height H; the distance between the centers of the two mounting holes on the transmission plate is C1, and the distance between the centers of the two mounting holes of the connecting plate is C2, and the average pitch of the saw chain body C=(C1+C2) / 2.

[0038] Among them, the value range of the saw path width W is 4.7-5.7 mm, the value range of the maximum height H is 13-13.9 mm, and the value range of the average pitch C is 9-9.5 mm. The product range of the saw path width W, the maximum height H and the average pitch C is 549.9-752.7 mm³.

[0039] Specifically, in this embodiment, the value of the saw path width W is 5.2 mm, the value of the maximum height H is 13.48 mm, the value of the average pitch C is 9.32 mm, and the product of the saw path width W, the maximum height H and the average pitch C is 653.3 mm³.

[0040] Embodiment 2:

[0041] In this embodiment, compared with the first embodiment, the difference lies in that the specific values ​​of the saw road width W, the maximum height H and the average pitch C are different, which are the same as .

[0042] See also Figure 1-Figure 5 A close-packed tooth saw chain comprises a saw chain body, wherein the saw chain body is formed by riveting a blade 1, a connecting piece 2, and a transmission piece 3 through a pivot pin, the transmission pieces 3 are arranged in pairs, and a corresponding blade 1 is arranged between each two adjacent transmission pieces 3, and a connecting piece 2 is correspondingly arranged on the opposite side of each blade 1, and the connecting piece 2 and the blade 1 can be identified as a group, and a group of connecting pieces 2 and blades 1 is arranged between each two adjacent transmission pieces 3, and the connecting piece 2 and the blade 1 are respectively arranged on the left and right sides of the transmission piece 3, and the blades 1 are respectively arranged on the left and right sides of the transmission piece 3, and the blades 1 are respectively arranged alternately on the left and right sides of the transmission piece 3, such as a blade is installed on the left side between the first transmission piece and the second transmission piece, and a connecting piece is installed on the right side; a connecting piece is installed on the left side between the second transmission piece and the third transmission piece, and a blade is installed on the right side, and so on.

[0043] In this embodiment, the upper edge of the connecting piece 2 is a flat wall 21, and the lower edge includes an inner concave wall 22, forming a notch design to improve its strength and the smoothness of the saw chain when cutting. As one option, the notch is arranged downward, such as Figure 1 , Figure 3 shown.

[0044] In this embodiment, the blade 1 includes a notch 11, and the notch 11 is arranged downward to improve its strength and the smoothness of the saw chain when cutting. Figure 1 , Figure 4 shown.

[0045] In this embodiment, the blade 1 is an alloy blade, and the hardness range of the blade 1 is 54-57HRC.

[0046] After improving the blade layout of the saw chain, the corresponding dimensions need to be designed accordingly to make its overall layout more reasonable and achieve higher strength and higher cutting effect.

[0047] The two blades 1 distributed on the left and right determine the saw path width W, and the lowest end of the transmission plate 3 to the highest end of the blade 1 determines the maximum height H; the distance between the centers of the two mounting holes on the transmission plate is C1, and the distance between the centers of the two mounting holes of the connecting plate is C2, and the average pitch of the saw chain body C=(C1+C2) / 2.

[0048] Among them, the value range of the saw path width W is 4.7-5.7 mm, the value range of the maximum height H is 13-13.9 mm, and the value range of the average pitch C is 9-9.5 mm. The product range of the saw path width W, the maximum height H and the average pitch C is 549.9-752.7 mm³.

[0049] Specifically, in this embodiment, the value of the saw path width W is 4.7 mm, the value of the maximum height H is 13 mm, the value of the average pitch C is 9 mm, and the product of the saw path width W, the maximum height H and the average pitch C is 549.9 mm³.

[0050] Embodiment three:

[0051] In this embodiment, compared with the first embodiment, the difference lies in that the specific values ​​of the saw road width W, the maximum height H and the average pitch C are different, which are the same as .

[0052] See also Figure 1-Figure 5 A close-packed tooth saw chain comprises a saw chain body, wherein the saw chain body is formed by riveting a blade 1, a connecting piece 2, and a transmission piece 3 through a pivot pin, the transmission pieces 3 are arranged in pairs, and a corresponding blade 1 is arranged between each two adjacent transmission pieces 3, and a connecting piece 2 is correspondingly arranged on the opposite side of each blade 1, and the connecting piece 2 and the blade 1 can be identified as a group, and a group of connecting pieces 2 and blades 1 is arranged between each two adjacent transmission pieces 3, and the connecting piece 2 and the blade 1 are respectively arranged on the left and right sides of the transmission piece 3, and the blades 1 are respectively arranged on the left and right sides of the transmission piece 3, and the blades 1 are respectively arranged alternately on the left and right sides of the transmission piece 3, such as a blade is installed on the left side between the first transmission piece and the second transmission piece, and a connecting piece is installed on the right side; a connecting piece is installed on the left side between the second transmission piece and the third transmission piece, and a blade is installed on the right side, and so on.

[0053] In this embodiment, the upper edge of the connecting piece 2 is a flat wall 21, and the lower edge includes an inner concave wall 22, forming a notch design to improve its strength and the smoothness of the saw chain when cutting. As one option, the notch is arranged downward, such as Figure 1 , Figure 3 shown.

[0054] In this embodiment, the blade 1 includes a notch 11, and the notch 11 is arranged downward to improve its strength and the smoothness of the saw chain when cutting. Figure 1 , Figure 4shown.

[0055] In this embodiment, the blade 1 is an alloy blade, and the hardness range of the blade 1 is 54-57HRC.

[0056] After improving the blade layout of the saw chain, the corresponding dimensions need to be designed accordingly to make its overall layout more reasonable and achieve higher strength and higher cutting effect.

[0057] The two blades 1 distributed on the left and right determine the saw path width W, and the lowest end of the transmission plate 3 to the highest end of the blade 1 determines the maximum height H; the distance between the centers of the two mounting holes on the transmission plate is C1, and the distance between the centers of the two mounting holes of the connecting plate is C2, and the average pitch of the saw chain body C=(C1+C2) / 2.

[0058] Among them, the value range of the saw path width W is 4.7-5.7 mm, the value range of the maximum height H is 13-13.9 mm, and the value range of the average pitch C is 9-9.5 mm. The product range of the saw path width W, the maximum height H and the average pitch C is 549.9-752.7 mm³.

[0059] Specifically, in this embodiment, the value of the saw path width W is 5.7 mm, the value of the maximum height H is 13.9 mm, the value of the average pitch C is 9.5 mm, and the product of the saw path width W, the maximum height H and the average pitch C is 752.7 mm³.

[0060] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A close-packed tooth saw chain, comprising a saw chain body, wherein the saw chain body is formed by riveting a blade, a connecting piece, and a transmission piece through a pivot pin, and characterized in that: A corresponding blade is disposed between each two adjacent transmission plates, and the two adjacent blades are alternately arranged on both sides of the transmission plate. The two blades distributed on the left and right determine the sawing path width W; The maximum height H is determined from the lowest end of the transmission plate to the highest end of the blade; The distance between the centers of the two mounting holes on the transmission plate is C1, the distance between the centers of the two mounting holes on the connecting plate is C2, and the average pitch of the saw chain body is C=(C1+C2) / 2; The product of the saw path width W, the maximum height H and the average pitch C ranges from 549.9 to 752.7 mm³.

2. A close-packed tooth saw chain according to claim 1, characterized in that: The connecting piece is arranged between two adjacent transmission pieces, and the blade is arranged on the opposite side of each connecting piece.

3. A close-packed tooth saw chain according to claim 1 or 2, characterized in that: The product of the saw road width W, the maximum height H and the average pitch C is 653.3 mm³.

4. A close-packed tooth saw chain according to claim 1, characterized in that: The value range of the saw path width W is 4.7-5.7 mm, the value range of the maximum height H is 13-13.9 mm, and the value range of the average pitch C is 9-9.5 mm.

5. A close-packed tooth saw chain according to claim 4, characterized in that: The value of the saw path width W is 5.2 mm, the value of the maximum height H is 13.48 mm, and the value of the average pitch C is 9.32 mm.

6. The close-packed tooth saw chain according to claim 1, characterized in that: The connecting piece includes a notch, and the notch is arranged downward.

7. The close-packed tooth saw chain according to claim 1, characterized in that: The upper edge of the connecting piece is a flat wall, and the lower edge of the connecting piece includes a concave wall.

8. The close-packed tooth saw chain according to claim 1, characterized in that: The blade includes a notch, and the notch is arranged downward.

9. A close-packed tooth saw chain according to claim 1 or 8, characterized in that: The blade is an alloy blade.

10. The close-packed tooth saw chain according to claim 1, characterized in that: The hardness of the blade ranges from 54-57 HRC.

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