CN204173808U - A kind of telescopic boom slide block mounting structure - Google Patents
A kind of telescopic boom slide block mounting structure Download PDFInfo
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- CN204173808U CN204173808U CN201420643879.7U CN201420643879U CN204173808U CN 204173808 U CN204173808 U CN 204173808U CN 201420643879 U CN201420643879 U CN 201420643879U CN 204173808 U CN204173808 U CN 204173808U
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- slide block
- telescopic boom
- mounting structure
- forearm
- adapter plate
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Abstract
The utility model relates to a kind of telescopic boom slide block mounting structure.Belong to oil-well drilling equipment technical field.Telescopic boom slide block mounting structure of the present utility model, comprises the forearm of telescopic boom and middle arm, and forearm is arranged in the inner chamber of arm and can stretches along the inwall of arm, and telescopic boom slide block mounting structure also comprises slide block adapter plate and slide block, and slide block is fixed on slide block adapter plate; Or/and arm is provided with install the through hole of slide block in forearm, slide block to be arranged in through hole and to stretch out through hole, stretches out the slide block position of through hole between middle arm and forearm; Slide block adapter plate is arranged on the inner side of forearm respectively or/and the outside of middle arm.Telescopic boom slide block mounting structure of the present utility model, slide block is through described forearm and described middle arm, and the stability that the mounting structure of slide block on telescopic boom is firm, the handling efficiency of slide block is high and loop wheel machine telescopic boom runs is high, safety good.
Description
Technical field
The utility model relates to a kind of mounting structure of telescopic boom slide block, particularly relates to a kind of floating drilling platform Marine riser crane telescopic boom slide block mounting structure, belongs to oil-well drilling equipment technical field.
Background technology
Telescopic boom is the vitals of floating marine drilling platform Marine riser crane, and drive steel cable to realize vertically stretching out and retracting of telescopic boom by hydraulic wireline winch, telescopic boom is made up of two to three square tubes, is pipe set of tubes structure.The rated load that single telescopic boom bears can reach 30 tons, and its moment of flexure of rocking generation due to platform in telescopic process can produce certain positive pressure by internal outer arm, thus causes the wear-out failure to the telescopic boom slide block that play the guiding role.This just requires to keep good free-running fit between the inside and outside arm of telescopic boom, to obtain the stability of less moment of flexure and interior outer arm relative motion.
At present, what Marine riser crane telescopic boom slide block often adopted is built-in flat slide block structure.Its installation method is fixed by bolts to outside inner arm or inside outer arm (arm is opened bolt hole) by machining screw by slide block, thus make slide block be placed between interior outer arm, no touch relative sliding in ensureing between outer arm, and come adjusting play by increasing pad between slide block and fixed arm.Its shortcoming is that interior outer arm Box Section size is larger, distortion can be produced in making, galvanizing and handling process, be difficult to ensure design size precision, in use need often to change wearing and tearing slide block and increase and decrease adjustment pad, because marine operation operating mode is complicated, bring very big inconvenience to the handling of slide block and adjustment pad.In addition because slide block screw thread is short, intensity is low, during use, easy running causes slide block to come off, and affects telescopic boom working stability, causes occurring pause and transition in rhythm or melody jitter phenomenon in telescopic process.
Utility model content
Goal of the invention of the present utility model is: the problems referred to above existed for prior art, provide a kind of Novel telescopic arm slide block mounting structure, and this telescopic boom slide block mounting structure can improve stability, the safety of slide block handling efficiency and the operation of loop wheel machine telescopic boom.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of telescopic boom slide block mounting structure, comprise the forearm of telescopic boom and middle arm, described forearm is arranged in the inner chamber of described arm and can stretches along the inwall of described arm, and described telescopic boom slide block mounting structure also comprises slide block adapter plate and slide block, and described slide block is fixed on described slide block adapter plate; Described forearm is or/and described middle arm is provided with the through hole installing described slide block, and described slide block to be arranged in described through hole and to stretch out described through hole, stretches out the slide block position of described through hole between described middle arm and described forearm; Described slide block adapter plate is arranged on the inner side of described forearm or/and the outside of described middle arm.The telescopic boom slide block mounting structure of said structure, slide block is fixed on described slide block adapter plate: be arranged on the outside of the slide block on described middle arm from described middle arm through the through hole described middle arm and stretch out the position of a part described middle arm and described forearm, and slide block adapter plate to stay described middle arm outside and be arranged on the lateral wall of described middle arm.Being arranged on the inside of the slide block on described forearm from described forearm through the through hole described forearm stretches out the position of a part described middle arm and described forearm, and slide block adapter plate to stay described forearm inner and be arranged on the madial wall of described forearm.The slide block mounting structure of said structure, the stability that the mounting structure of slide block on telescopic boom is firm, the handling efficiency of slide block is high and loop wheel machine telescopic boom runs is high, safety good.
As preferred version of the present utility model, described slide block and described slide block adapter plate comprise two groups, and slide block described in two groups and described slide block adapter plate are arranged on the lower end of described forearm upper end and described middle arm respectively.The described slide block of said structure and described slide block adapter plate mounting structure, ensureing that under the stability that telescopic boom runs and safety conditions, the installing component of slide block is few, installation effectiveness is high.
As preferred version of the present utility model, described slide block adapter plate is provided with boss, and described slide block adapter plate and described boss are integral type structure, and described slide block is fixed on described boss, and described boss is arranged in described through hole.Arrange described boss and be arranged in described through hole by described boss, can improve the installation stability of described slide block further, the stability that loop wheel machine telescopic boom runs and safety factor improve further.
As preferred version of the present utility model, described slide block is provided with counterbore, is provided with bolt one in described counterbore; Described slide block is arranged on described boss by described bolt one.Be arranged on by bolt one in described counterbore, can avoid bolt one and described middle arm or described little arm contact, can improve the installation stability of described slide block further, the stability that loop wheel machine telescopic boom runs and safety factor improve further.
As preferred version of the present utility model, described bolt one is socket bolt.It is little that the counterbore step that socket bolt can make described slide block is processed is set, ensures working strength.
As preferred version of the present utility model, between described slide block and described boss, be provided with adjusting shims one.Arrange adjusting shims between slide block and boss and can facilitate gap between adjusting slider and described middle arm or described forearm, the Installation and Debugging of equipment are convenient and swift.
As preferred version of the present utility model, described boss, described adjusting shims one and described slide block entirety coordinates with described via clearance.Employing free-running fit is installed, and can facilitate the assembling of slide block.
As preferred version of the present utility model, described boss, described adjusting shims one, described slide block and described through hole be equal chamfering in edges and corners.Described boss, described adjusting shims one, described slide block and described through hole in edges and corners equal chamfering can facilitate slide block assembling,
As preferred version of the present utility model, between described slide block adapter plate and described forearm, between described slide block adapter plate and described middle arm, be equipped with adjusting shims two.Arranging described adjusting shims two coordinates described adjusting shims one can facilitate gap between adjusting slider and described middle arm or described forearm, and the Installation and Debugging of equipment are convenient and swift.
As preferred version of the present utility model, described slide block adapter plate is arranged on described forearm and described middle arm by bolt two.Adopt bolt that described slide block adapter plate is installed, slide block adapter plate Assembly &Disassembly convenience,
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, telescopic boom slide block mounting structure of the present utility model, slide block is through described forearm and described middle arm, and the stability that the mounting structure of slide block on telescopic boom is firm, the handling efficiency of slide block is high and loop wheel machine telescopic boom runs is high, safety good.
2, the connecting portion of slide block and slide block adapter plate is arranged in the through hole of telescopic boom, the installation stability of slide block can be improved further.
3, telescopic boom slide block mounting structure of the present utility model, each parts are installed by bolt, convenience quick for installation.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of the utility model telescopic boom;
Fig. 2 is that the middle arm of the utility model telescopic boom and forearm assemble schematic diagram;
Fig. 3 is the A-A cutaway view in Fig. 2;
Fig. 4 is the B-B cutaway view in Fig. 2;
Fig. 5 is the front view of slide block adapter plate of the present utility model;
Fig. 6 is the left view of slide block adapter plate of the present utility model.
Mark in figure: arm in 1-, 2-forearm, 3-slide block adapter plate, 4-adjusting shims one, 5-socket bolt, 6-slide block, 7-adjusting shims two, 8-bolt, 9-packing ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
embodiment 1
Be telescopic boom mounting structure axonometric drawing of the present utility model as shown in Figure 1 and Figure 2.Telescopic boom in the present embodiment is made up of three square tubes, and be pipe set of tubes structure, wherein 1 is middle arm, and 2 is forearm.In working process, drive steel cable to shrink by hydraulic wireline winch and can realize the fore and aft motion of forearm 2 at middle arm 1 inner chamber.
Fig. 3 is be A-A cutaway view in Fig. 2, and in Fig. 2, A-A analyses and observe the installation site of upper port in middle arm 1 inner chamber that position is forearm 2.As shown in Figure 3, forearm 2 upper port sidewall has the through hole installing slide block 6, and opening through hole installation slide block adapter plate 3.As shown in Figure 5 and Figure 6, slide block adapter plate 3 is provided with two boss 31 to the structure of slide block adapter plate 3, and boss 31 is for installing slide block 6.As shown in Figure 3, Figure 4, slide block 6 is processed with ladder counterbore, socket bolt 5 is located in described ladder counterbore.Slide block 6 is fixed on the boss 31 of slide block adapter plate 3 by socket bolt 5.Slide block adapter plate 3 is arranged on the inwall of forearm 2 by bolt 8 and packing ring 9; Packing ring 9, in order to adjust the installation site of bolt 8, improves the installation strength of bolt 8.After slide block adapter plate 3 is in place, slide block 6 and boss 31 are arranged in the through hole of forearm 2 upper end, and slide block 6 stretches out described through hole one segment distance, in order to keep there is certain gap between forearm 2 and middle arm 1.Arrange the slide block adapter plate 3 of said structure and the mounting structure of slide block 6, boss 31 can play the guiding role to slide block 6, and boss 31 pairs of slide blocks 6 and forearm 2 also have certain shear strength.The quantity of slide block 6 is installed according to actual needs, slide block adapter plate 3 also can increases or reduce the setting of boss 31.As the slide block adapter plate 3 of upper end in Fig. 3, a boss 31 is only set.And slide block 6 is arranged on slide block adapter plate 3 by socket bolt 5, slide block 6 is easy for installation on slide block adapter plate 3, and adopts socket bolt 5 to install slide block 6 the counterbore step of processing can be made on slide block 6 little, ensures working strength.Be provided with adjusting shims 27 between slide block adapter plate 3 and forearm 2, the thickness of increase adjusting shims 27 can increase the gap between slide block 6 and middle arm 1.Be provided with adjusting shims 1 between the boss 31 of slide block adapter plate 3 and slide block 6, the thickness of increase adjusting shims 1 can reduce the gap between slide block 6 and arm.By adjusting shims 1, gap between adjusting shims 27 adjusting slider 6 and middle arm 1, the Installation and Debugging of equipment are convenient and swift.
Fig. 4 is the B-B cutaway view in Fig. 1; In Fig. 1, B-B analyses and observe position is middle arm 1 lower port place.Middle arm 1 lower port place is provided with the through hole installing slide block 6.Slide block adapter plate 3 is arranged on the lower end outside of middle arm 1 by bolt 8 and packing ring 9.The installation site relation of slide block 6 on middle arm 1 on slide block adapter plate 3 is identical with the installation site relation of the slide block 6 on forearm 2 on slide block adapter plate 3, and its difference is: the slide block 6 on middle arm 1 and slide block adapter plate 3 are installed by the lateral of middle arm 1; Slide block 6 on forearm 2 and slide block adapter plate 3 have the inner side of forearm 2 outwards to install.
The telescopic boom slide block mounting structure of said structure, the boss 31 of slide block adapter plate 3, adjusting shims 1 and slide block 6 adopts free-running fit size to install with the through hole of arm (middle arm 1 and forearm 2), and the through hole of boss 31, adjusting shims 1, slide block 6 and arm (middle arm 1 and forearm 2) is in edges and corners chamfering, can facilitate the assembling of slide block 6.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a telescopic boom slide block mounting structure, comprises the forearm of telescopic boom and middle arm, and described forearm is arranged in the inner chamber of described arm and can stretches along the inwall of described arm, it is characterized in that:
Described telescopic boom slide block mounting structure also comprises slide block adapter plate and slide block, and described slide block is fixed on described slide block adapter plate; Described forearm is or/and described middle arm is provided with the through hole installing described slide block, and described slide block to be arranged in described through hole and to stretch out described through hole, stretches out the slide block position of described through hole between described middle arm and described forearm; Described slide block adapter plate is arranged on the inner side of described forearm or/and the outside of described middle arm.
2. telescopic boom slide block mounting structure according to claim 1, is characterized in that: described slide block and described slide block adapter plate comprise two groups, and slide block described in two groups and described slide block adapter plate are arranged on the lower end of described forearm upper end and described middle arm respectively.
3. telescopic boom slide block mounting structure according to claim 1 and 2, it is characterized in that: described slide block adapter plate is provided with boss, described slide block adapter plate and described boss are integral type structure; Described slide block is fixed on described boss, and described boss is arranged in described through hole.
4. telescopic boom slide block mounting structure according to claim 3, is characterized in that: described slide block is provided with counterbore, is provided with bolt one in described counterbore; Described slide block is arranged on described boss by described bolt one.
5. telescopic boom slide block mounting structure according to claim 4, is characterized in that: described bolt one is socket bolt.
6. telescopic boom slide block mounting structure according to claim 4, is characterized in that: be provided with adjusting shims one between described slide block and described boss.
7. telescopic boom slide block mounting structure according to claim 6, is characterized in that: described boss, described adjusting shims one and described slide block, coordinate with described via clearance.
8. telescopic boom slide block mounting structure according to claim 7, is characterized in that: described boss, described adjusting shims one, described slide block and described through hole be equal chamfering in edges and corners.
9. telescopic boom slide block mounting structure according to claim 4, is characterized in that: be equipped with adjusting shims two between described slide block adapter plate and described forearm, between described slide block adapter plate and described middle arm.
10. telescopic boom slide block mounting structure according to claim 1, is characterized in that: described slide block adapter plate is arranged on described forearm and described middle arm by bolt two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643879.7U CN204173808U (en) | 2014-10-30 | 2014-10-30 | A kind of telescopic boom slide block mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643879.7U CN204173808U (en) | 2014-10-30 | 2014-10-30 | A kind of telescopic boom slide block mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204173808U true CN204173808U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420643879.7U Active CN204173808U (en) | 2014-10-30 | 2014-10-30 | A kind of telescopic boom slide block mounting structure |
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| CN (1) | CN204173808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115249A (en) * | 2016-08-18 | 2016-11-16 | 合肥禾盛新型材料有限公司 | A kind of full-automatic clad steel plate haulage equipment |
| CN110424993A (en) * | 2019-01-26 | 2019-11-08 | 江西蓝翔重工有限公司 | A kind of magnetic starter and follow-up control console are mounted on the structure on scaling platform |
-
2014
- 2014-10-30 CN CN201420643879.7U patent/CN204173808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115249A (en) * | 2016-08-18 | 2016-11-16 | 合肥禾盛新型材料有限公司 | A kind of full-automatic clad steel plate haulage equipment |
| CN110424993A (en) * | 2019-01-26 | 2019-11-08 | 江西蓝翔重工有限公司 | A kind of magnetic starter and follow-up control console are mounted on the structure on scaling platform |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |