CN218882963U - Lorry-mounted crane rack lubricating structure - Google Patents
Lorry-mounted crane rack lubricating structure Download PDFInfo
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- CN218882963U CN218882963U CN202223186725.3U CN202223186725U CN218882963U CN 218882963 U CN218882963 U CN 218882963U CN 202223186725 U CN202223186725 U CN 202223186725U CN 218882963 U CN218882963 U CN 218882963U
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- rack
- support
- lorry
- guide block
- lubricating
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Abstract
The utility model discloses a rack lubricating structure of a lorry-mounted crane, relating to the technical field of crane lubricating systems; comprises a support, a rack and a column gear shaft meshed with the rack; a closed cavity is formed between the support and the upright post gear shaft; a guide block is arranged between the support and the rack; the outer side surface of the guide block is clamped in a groove body arranged on the inner wall of the support; the tail end of the inner side surface of the guide block is provided with a convex guide seat, and one side of the rack, which is far away from the upright post gear shaft, is positioned in the guide seat; a through hole for guiding lubricating grease is arranged between the outer side surface and the inner side surface of the guide block; the support is connected with the through hole through a connecting pipe; an oil guide lubricating groove is arranged on the inner side surface; a gap is arranged between the outer side surface and the inner wall of the support; the utility model discloses the structure can be simply swift for lorry crane rack filling lubricating grease, can satisfy the lubrication between rack and guide block, rack and the stand gear shaft simultaneously.
Description
Technical Field
The utility model relates to a hoist lubricating system technical field specifically is a lorry crane rack lubricating structure.
Background
The gear rack type lorry-mounted crane rotary system comprises a support, an upright post gear shaft, a rack, a guide block and the like, and converts linear motion of the rack into rotary motion of the upright post gear shaft, so that the crane can rotate.
The good lubricating structure of the lorry-mounted crane rack has very important significance for reducing the friction resistance moment, reducing the surface abrasion, ensuring the lorry-mounted crane to have good lubricating condition and working performance, ensuring the high-efficiency operation of the lorry-mounted crane, saving energy and prolonging the service life.
The lubrication mode of the common lorry-mounted crane rack mainly adopts the lubrication mode of gear oil. According to the mode, the support and the upright post gear shaft form a closed cavity, gear oil is filled under the condition that sealing is guaranteed, and a rack of the lorry-mounted crane is always soaked in the gear oil.
The lubricating mode needs a closed cavity formed by the support and the upright post gear shaft, and has good sealing performance in both static state and dynamic state; however, the oil drain hole is arranged at the bottom of the support, so that oil is inconvenient to drain when the rotary system is maintained or the oil storage container is not easy to place, so that oil is inconvenient to fill; under the condition that a sealing element of the rotary oil cylinder fails, the closed cavity is communicated with a hydraulic system of the lorry-mounted crane, so that the hydraulic system is polluted, and the cleaning workload of the hydraulic system is large.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a lubricating structure of a rack of a lorry-mounted crane; the problem of the gear rack filling of lorry-mounted crane lubricating grease inconvenient is solved.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A lubricating structure for a rack of a lorry-mounted crane comprises a support, a rack and a stand column gear shaft meshed with the rack; a closed cavity is formed between the support and the upright post gear shaft; a guide block is arranged between the support and the rack; the outer side surface of the guide block is clamped in a groove body arranged on the inner wall of the support; the tail end of the inner side surface of the guide block is provided with a convex guide seat, and one side of the rack, which is far away from the upright post gear shaft, is positioned in the guide seat; a through hole for guiding lubricating grease is arranged between the outer side face and the inner side face of the guide block; the support is connected with the through hole through a connecting pipe; an oil guide lubricating groove is arranged on the inner side surface; a gap is arranged between the outer side surface and the inner wall of the support.
Furthermore, the outer side face of the guide block is an arc side of a cambered surface structure, and the inner side face of the guide block is a straight side of a plane structure.
Further, an arc oil guide groove is arranged on the arc side; one end of the through hole is positioned in the arc-shaped oil guide groove.
Furthermore, two annular grooves are formed in the inner wall of the support, and arc-shaped side parts on two sides of the arc-shaped oil guide groove are positioned through the two annular grooves.
Furthermore, the other end of the through hole is positioned in the oil guide lubricating groove.
Further, the guide seat is perpendicular to the straight line side.
Furthermore, the guide block is made of nylon.
Furthermore, the connecting pipe is welded on the support, and a threaded hole is formed in the exposed end of the connecting pipe and used for being connected with the oil cup.
The utility model discloses produced beneficial effect for prior art does:
the utility model discloses the structure can be simple swift for lorry crane rack filling lubricating grease, can satisfy the lubrication between rack and guide block, rack and the stand gear shaft simultaneously.
The guide block plays roles of positioning, guiding and lubricating grease filling. The guide block is designed in a D shape, and an oil guide lubricating groove is designed at the through hole at the side of the straight line, so that the lubrication between the guide block and the rack is met; a gap is designed between the arc side and the inner wall of the support to serve as an oil guide lubricating groove, and lubrication between the rack and the stand column gear shaft is met. The maintenance cost of the lorry-mounted crane is saved, and the working efficiency of the lorry-mounted crane is greatly improved.
Drawings
Fig. 1 is the utility model discloses a lorry crane rack lubricating structure's cross-sectional view.
Fig. 2 isbase:Sub>A view frombase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is a partial enlarged view of the point i in fig. 1.
Fig. 4 is an isometric view of the guide block of the present invention; wherein (a) and (b) are axonometric views of the guide block at different angles.
In the figure, 1-support, 2-guide block, 3-rack, 4-column gear shaft, 5-connecting pipe, 6-oil cup;
21-outer side surface, 22-inner side surface, 23-guide seat, 24-through hole, 25-oil guide lubricating groove and 26-arc-shaped oil guide groove.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the accompanying drawings, but the scope of protection is not limited thereto.
Referring to fig. 1-4, the embodiment provides a rack lubricating structure of a lorry-mounted crane, which comprises a support 1, a rack 3 and a stand column gear shaft 4 meshed with the rack 3; a closed cavity is formed between the support 1 and the upright post gear shaft 4; the structure is a rack lubricating structure of the conventional lorry-mounted crane; the innovation point of the lubricating structure of the embodiment is that a guide block 2 is additionally arranged between the support 1 and the rack 3; the guide block 2 is used for positioning and guiding the rack 3 and filling lubricating grease into the rack 3 and the column gear shaft 4. The material of guide block 2 is nylon.
As shown in fig. 4, is an external structure of the guide block 2; the appearance adopts a D-shaped design; namely, the outer side surface 21 of the guide block 2 clamped in the groove body arranged on the inner wall of the support 1 is an arc side with a cambered surface structure, and the opposite inner side surface 22 is a straight side with a plane structure.
The inner side 22 of the guide block 2, namely the tail end of the straight line side, is provided with a convex guide seat 23, and the guide seat 23 is perpendicular to the straight line side. One side of the rack 3, which is far away from the upright post gear shaft 4, is positioned in the guide seat 23; two mutually perpendicular faces are used for guiding the reciprocating motion of the rack 3.
A through hole 24 for guiding lubricating grease is arranged between the outer side surface 21 and the inner side surface 22 of the guide block 2; the through hole 24 is located obliquely above the guide block 2, and serves as an introduction oil passage for grease.
The arc side is provided with an arc oil guide groove 26, so that the lubrication between the rack 3 and the stand column gear shaft 4 is satisfied. An oil guide lubricating groove 25 is arranged on the straight line side, so that the lubricating between the guide block 2 and the rack 3 is met; one end of the through hole 24 is located in the arc oil guide groove 26, and the other end of the through hole 24 is located in the oil guide lubrication groove 25. Two annular grooves are arranged on the inner wall of the support 1, and arc-shaped side parts on two sides of the arc-shaped oil guide groove 26 are positioned through the two annular grooves.
The support 1 is connected with the through hole 24 through a connecting pipe 5; the connecting pipe 5 is welded on the support 1, and a threaded hole is formed in the exposed end of the connecting pipe 5 and used for being connected with the oil cup 6.
When the gear rack lubricating device is used, a lubricating grease gun is used for filling lubricating grease at the oil cup 6, the lubricating grease enters the arc-shaped oil guide groove 26 and the oil guide lubricating groove 25 through the through hole 24, and the lubricating grease enters the oil guide lubricating groove 25 on the linear side to lubricate the gear rack 3 and the guide block 2; the lubricating grease finally enters the closed cavity along the inner wall of the support 1 along the arc-shaped oil guide groove 26 on the arc side and finally falls between the rack 3 and the stand column gear shaft 4, so that the lubrication of the rack 3 and the stand column gear shaft 4 is realized.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (8)
1. A rack lubricating structure of a lorry-mounted crane comprises a support (1), a rack (3) and a stand column gear shaft (4) meshed with the rack (3); a closed cavity is formed between the support (1) and the upright post gear shaft (4), and the vertical post gear shaft is characterized in that a guide block (2) is arranged between the support (1) and the rack (3); the outer side surface (21) of the guide block (2) is clamped in a groove body arranged on the inner wall of the support (1); the tail end of the inner side surface (22) of the guide block (2) is provided with a convex guide seat (23), and one side of the rack (3) far away from the upright post gear shaft (4) is positioned in the guide seat (23); a through hole (24) for guiding lubricating grease is arranged between the outer side surface (21) and the inner side surface (22) of the guide block (2); the support (1) is connected with the through hole (24) through a connecting pipe (5); an oil guide lubricating groove (25) is arranged on the inner side surface (22); a gap is arranged between the outer side surface (21) and the inner wall of the support (1).
2. A lorry crane rack lubrication structure according to claim 1, characterised in that the outer side (21) of the guide block (2) is the arc side of an arc structure and the inner side (22) is the straight side of a planar structure.
3. The lorry crane rack lubricating structure as claimed in claim 2, characterized in that the arc side is provided with an arc oil guide groove (26); one end of the through hole (24) is positioned in the arc-shaped oil guide groove (26).
4. The lorry crane rack lubricating structure as claimed in claim 3, characterized in that the inner wall of the support (1) is provided with two annular grooves, and the arc-shaped side parts of both sides of the arc-shaped oil guide groove (26) are positioned by the two annular grooves.
5. A lorry crane rack lubrication structure according to claim 3, characterised in that the other end of said through hole (24) is located in an oil guiding lubrication groove (25).
6. Lorry crane rack lubrication structure according to claim 2, characterized in that the guide shoe (23) is perpendicular to the straight side.
7. A lorry crane rack lubricating structure according to claim 1, characterized in that the guide block (2) is of nylon material.
8. The lorry-mounted crane rack lubricating structure according to claim 1, characterized in that the connecting pipe (5) is welded on the support (1), and an exposed end of the connecting pipe (5) is provided with a threaded hole for connecting with the oil cup (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223186725.3U CN218882963U (en) | 2022-11-30 | 2022-11-30 | Lorry-mounted crane rack lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223186725.3U CN218882963U (en) | 2022-11-30 | 2022-11-30 | Lorry-mounted crane rack lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218882963U true CN218882963U (en) | 2023-04-18 |
Family
ID=85948547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223186725.3U Active CN218882963U (en) | 2022-11-30 | 2022-11-30 | Lorry-mounted crane rack lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218882963U (en) |
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2022
- 2022-11-30 CN CN202223186725.3U patent/CN218882963U/en active Active
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