CN202672205U - Chain-driven tensioning mechanism - Google Patents
Chain-driven tensioning mechanism Download PDFInfo
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- CN202672205U CN202672205U CN 201220201933 CN201220201933U CN202672205U CN 202672205 U CN202672205 U CN 202672205U CN 201220201933 CN201220201933 CN 201220201933 CN 201220201933 U CN201220201933 U CN 201220201933U CN 202672205 U CN202672205 U CN 202672205U
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- headstock
- piston rod
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Abstract
Provided is a chain-driven tensioning mechanism, comprising a milling rack, a power case, a guide rail, a guide plate, a chain, a tensioning oil cylinder, a pressure sensor, a displacement sensor and a driven sprocket. The chain-driven tensioning mechanism is characterized in that the guide rail is symmetrically disposed at left and right sides of the upper part of the milling rack; the power case is disposed at the upper part of the milling rack, and two sides of the power case are respectively provided with the guide plate, and the power case is disposed in the guide rail through the guide plate in a manner of moving up and down; the chain is disposed on the drive sprocket and the driven sprocket, forming a chain-driven mechanism; a piston rod of the tensioning oil cylinder is hinged to the lower end of the power case, and a cylinder body of the tensioning oil cylinder is connected to a connection member; the pressure sensor and the displacement sensor are respectively disposed at an oil inlet of the cylinder body of the tensioning oil cylinder and in the cylinder body, with respect to the piston rod. The chain-driven tensioning mechanism is advantageous in that the chain of a groove milling mixer for constructing an equal-thickness underground diaphragm wall can run under an appropriate tension force and relaxing degree; service lifetime of the groove milling mixer can be prolonged, and safety performance and construction efficiency can be improved.
Description
Technical field
The utility model relates to a kind of chain transmission strainer, more particularly, relates to a kind of chain transmission strainer that the uniform thickness diaphragm wall is used the groove milling mixer of building.
Background technology
At present, in the underground water-stop curtain wall of highrise building, Metro station excavation excavating and the antiseepage of water conservancy dam reinforcement and soft foundation improvement construction, external advanced groove milling is stirred construction technology and is promoted the use gradually.
Adopt the groove milling mixer to build diaphragm wall, namely stir chain by the milling of drive installation between drive sprocket and driven sprocket, carry out vertical and continuous digging and stirring horizontal direction with some groups of stirring bodies to soil layer apart from being fixedly mounted with some groups of end mill bodies at regular intervals on this chain, inject simultaneously soil solidification liquid and soil, sand mix and blend, form the ground lower block soil mine dam that cement mixes with soil.Because the groove milling mixer is to carry out digging and stirring by end mill body and stirring body that milling is stirred on the chain, the tightness of chain directly affects operating efficiency and the application life of groove milling mixer, if chain is too tight, then strengthen the force-bearing situation of chain, directly cause chain breakage and damage, and chain is too lax, and then the digging of groove milling mixer and stirring capacity descend, and affects the operating efficiency of equipment.Therefore, solve tension force and relax level that the milling of groove milling mixer is stirred the tightness of chain and in time control chain in work progress, just become this equipment to need problem demanding prompt solution.
Summary of the invention
The purpose of this utility model is according to the deficiencies in the prior art, a kind of chain transmission strainer that the uniform thickness diaphragm wall is used the groove milling mixer of building is provided, can guarantee that chain turns round under suitable tension force and relax level, improve application life, security performance and the efficiency of construction of groove milling mixer.
The utility model is achieved through the following technical solutions:
A kind of chain transmission strainer comprises milling frame, headstock, guide rail, guide strip, chain, tensioning hydro-cylinder, pressure sensor, displacement transducer and driven sprocket; Wherein: the milling frame adopts box-structure, comprise the more piece connecting elements and install driven sprocket, be positioned at the bottom joint under the connecting elements; Headstock comprises driving head, gearbox, drive sprocket; Tensioning hydro-cylinder comprises piston rod and cylinder body; It is characterized in that: described guide rail is arranged symmetrically in the right and left on milling frame top; Described headstock is positioned at the top of milling frame, and its both sides are installed guide strip and can be placed up or down in the guide rail by guide strip; Driving head is installed in above the gearbox in described headstock; On the output shaft of described gearbox drive sprocket is installed; After being installed on drive sprocket and the driven sprocket, described chain forms chain-drive mechanism; The piston rod of described tensioning hydro-cylinder and the lower end of headstock are articulated and connected, and the cylinder body of tensioning hydro-cylinder is connected with connecting elements; Described pressure sensor and displacement transducer are installed on respectively in the oil-in place of cylinder body of tensioning hydro-cylinder and the cylinder body relative position with piston rod.
The utility model can be, described tensioning hydro-cylinder has two groups, along about the milling frame or front and back be arranged symmetrically in its installation site.
The utility model can also be, described pressure sensor is measured the inner chamber operating pressure of tensioning hydro-cylinder, handle the large oil pocket oil-feed of an oil-feed cylinder, make piston rod stretch out upwards the jacking headstock and make chain be in tight state, and when an oil-feed cylinder pressure reaches setting value, pressure sensor sends signal feedback to the control room, handle the small oil cavity oil-feed of an oil-feed cylinder, make the piston rod contraction and spur headstock downwards, described displacement transducer then feeds back the signal of piston rod displacement to the control room, when displacement reaches 15-25mm, tension force and slackness when meeting the chain operation of designing requirement
Chain transmission strainer of the present utility model has following good effect and advantage:
The employing headstock places the mode on the milling frame guide rail, jacking, contraction by tensioning hydro-cylinder realize the up and down fine setting of locality of headstock, after feeding back to the control room, pressure sensor and displacement transducer process, the groove milling stirring chain of guaranteeing to be installed between drive sprocket and the driven sprocket turns round Effective Raise service life of equipment, security performance and efficiency of construction under suitable tension force and slackness state.
Description of drawings
Below in conjunction with drawings and Examples the utility model chain transmission strainer is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
The specific embodiment
As depicted in figs. 1 and 2, a kind of chain transmission strainer comprises milling frame 1, headstock 2, guide rail 3, guide strip 4, chain 5, tensioning hydro-cylinder 6, pressure sensor 7, displacement transducer 8 and; Driven sprocket 9; Wherein: milling frame 1 adopts box-structure, comprise more piece connecting elements 11 and install driven sprocket 9, be positioned at the bottom joint under the connecting elements; Headstock 2 comprises driving head 21, gearbox 22, drive sprocket 23; Tensioning hydro-cylinder 6 comprises piston rod 61 and cylinder body 62; It is characterized in that: described guide rail 3 is arranged symmetrically in the right and left on milling frame 1 top; Described headstock 2 is positioned at the top of milling frame 1, and guide strip 4 is installed in its both sides, and can place up or down in the guide rail 3 by guide strip 4; Driving head 21 is installed in above the gearbox 22 in described headstock 2; Drive sprocket 23 is installed on the output shaft of described gearbox 22; After being installed on drive sprocket 23 and the driven sprocket 9, described chain 5 forms chain-drive mechanism; The piston rod 61 of described tensioning hydro-cylinder 6 is articulated and connected with the lower end of headstock 2, and the cylinder body 62 of tensioning hydro-cylinder 6 is connected with connecting elements 11; Described tensioning hydro-cylinder 6 has two groups, is arranged symmetrically in its installation site along milling frame about 1 or front and back; Described pressure sensor 7 and displacement transducer 8 are installed on respectively the relative position of the oil-in place of cylinder body 62 of tensioning hydro-cylinder 6 and cylinder body 62 and piston rod 61; The inner chamber operating pressure of 7 pairs of tensioning hydro-cylinders 6 of described pressure sensor is measured, handle the large oil pocket oil-feed of an oil-feed cylinder 6, make piston rod 61 stretch out upwards jacking headstock 2 and make chain 5 be in tight state, and when oil-feed cylinder 6 pressure reaches setting value, pressure sensor 7 sends signal feedback to the control room, handle the small oil cavity oil-feed of an oil-feed cylinder 6, make piston rod 61 contractions and spur headstock 2 downwards, the signal of 8 feedbacks of described displacement transducer piston rod, 61 displacements is to the control room, when displacement reaches 15-25mm, tension force and slackness when meeting the running of chain 5 designing requirements.The utility model chain transmission strainer can guarantee that construction uniform thickness diaphragm wall turns round application life, security performance and the efficiency of construction of Effective Raise groove milling mixer with the chain of groove milling mixer under suitable tension force and slackness state.
Claims (3)
1. a chain transmission strainer comprises milling frame (1), headstock (2), guide rail (3), guide strip (4), chain (5), tensioning hydro-cylinder (6), pressure sensor (7), displacement transducer (8) and driven sprocket (9); Wherein: milling frame (1) adopts box-structure, comprises more piece connecting elements (11) and bottom driven sprocket (9), that be positioned under the connecting elements is installed saves; Headstock (2) comprises driving head (21), gearbox (22), drive sprocket (23); Tensioning hydro-cylinder (6) comprises piston rod (61) and cylinder body (62); It is characterized in that: described guide rail (3) is arranged symmetrically in the right and left on milling frame (1) top; Described headstock (2) is positioned at the top of milling frame (1), and its both sides are installed guide strip (4) and can be placed up or down in the guide rail (3) by guide strip (4); Driving head (21) is installed in gearbox (22) top in described headstock (2); Drive sprocket (23) is installed on the output shaft of described gearbox (22); Described chain (5) is installed on drive sprocket (23) and the upper rear chain-drive mechanism that forms of driven sprocket (9); The piston rod (61) of described tensioning hydro-cylinder (6) is articulated and connected with the lower end of headstock (2), and the cylinder body (62) of tensioning hydro-cylinder (6) is connected with connecting elements (11); Described pressure sensor (7) and displacement transducer (8) are installed on respectively in the oil-in place of cylinder body (62) of tensioning hydro-cylinder (6) and the cylinder body (62) relative position with piston rod (61).
2. chain transmission strainer according to claim 1 is characterized in that described tensioning hydro-cylinder (6) has two groups, along about the milling frame (1) or front and back be arranged symmetrically in its installation site.
3. chain transmission strainer according to claim 1, it is characterized in that described pressure sensor (7) measures the inner chamber operating pressure of tensioning hydro-cylinder (6), handle the large oil pocket oil-feed of an oil-feed cylinder (6), make piston rod (61) stretch out upwards jacking headstock (2) and make chain (5) be in tight state, and when oil-feed cylinder (a 6) pressure reaches setting value, pressure sensor (7) sends signal feedback to the control room, handle the small oil cavity oil-feed of an oil-feed cylinder (6), make piston rod (61) contraction and spur headstock (2) downwards, described displacement transducer (8) then feeds back the signal of piston rod (61) displacement to the control room, when displacement reaches 15-25mm, tension force and slackness when turning round for the chain (5) that meets designing requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220201933 CN202672205U (en) | 2012-05-08 | 2012-05-08 | Chain-driven tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220201933 CN202672205U (en) | 2012-05-08 | 2012-05-08 | Chain-driven tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202672205U true CN202672205U (en) | 2013-01-16 |
Family
ID=47493114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220201933 Expired - Fee Related CN202672205U (en) | 2012-05-08 | 2012-05-08 | Chain-driven tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202672205U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931110A (en) * | 2017-04-28 | 2017-07-07 | 桂林电子科技大学 | A kind of chain tension governor motion |
| CN108086381A (en) * | 2018-01-25 | 2018-05-29 | 中铁工程机械研究设计院有限公司 | Two-wheel flute milling machine and grooving mode based on sprocket transmission and milling |
| CN109252557A (en) * | 2017-07-13 | 2019-01-22 | 上海广大基础工程有限公司 | A kind of saw chain formula slotter driving chain and milling cutter combination |
| CN109252508A (en) * | 2017-07-13 | 2019-01-22 | 上海广大基础工程有限公司 | A kind of saw chain formula slotter driving chain |
-
2012
- 2012-05-08 CN CN 201220201933 patent/CN202672205U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931110A (en) * | 2017-04-28 | 2017-07-07 | 桂林电子科技大学 | A kind of chain tension governor motion |
| CN109252557A (en) * | 2017-07-13 | 2019-01-22 | 上海广大基础工程有限公司 | A kind of saw chain formula slotter driving chain and milling cutter combination |
| CN109252508A (en) * | 2017-07-13 | 2019-01-22 | 上海广大基础工程有限公司 | A kind of saw chain formula slotter driving chain |
| CN108086381A (en) * | 2018-01-25 | 2018-05-29 | 中铁工程机械研究设计院有限公司 | Two-wheel flute milling machine and grooving mode based on sprocket transmission and milling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20140508 |