CN202289272U - Sliding block fixing mechanism of telescopic boom and telescopic boom type fire truck - Google Patents
Sliding block fixing mechanism of telescopic boom and telescopic boom type fire truck Download PDFInfo
- Publication number
- CN202289272U CN202289272U CN201120345887XU CN201120345887U CN202289272U CN 202289272 U CN202289272 U CN 202289272U CN 201120345887X U CN201120345887X U CN 201120345887XU CN 201120345887 U CN201120345887 U CN 201120345887U CN 202289272 U CN202289272 U CN 202289272U
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- slide block
- frid
- telescopic arm
- hole
- fixed mechanism
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Abstract
The utility model discloses a sliding block fixing mechanism of a telescopic boom, which comprises a trough plate, a sliding block and a fixing plate used for being connected with an external knuckle arm, wherein the fixing plate and the sliding block are respectively inserted into a front hole and a rear hole formed in the trough plate. The sliding block is integrally in a step shape with a small top and a large bottom, the upper end of the sliding block is inserted in the rear hole of the trough plate, and an arc-shaped matching pair is arranged between the step surface of the sliding block and the bottom surface of the trough plate. The lower end of the fixing plate is provided with a threaded hole, and a screw is abutted to the sliding block through the threaded hole. One side of the lower end of the trough plate and the sliding block, which is far away from the fixing plate, is provided with the through hole, an oil conduit is arranged in the through hole, and an oil cup is arranged on the upper end of the oil conduit and extends out of the external knuckle arm. The sliding block fixing mechanism can be adopted to conveniently complete the matching of a sliding seat and the telescopic boom and improve the efficiency. On the basis, the utility model also provides a telescopic boom type fire truck provided with the sliding block mechanism.
Description
Technical field
The utility model relates to the fire fighting truck field, is specifically related to a kind of slide block fixed mechanism and telescopic boom fire fighting truck of telescopic arm.
Background technology
Telescopic arm is widely used in engineering machinery field, constitutes by the inside and outside joint arm of more piece different cross section size is nested, through placing the slide block between the inside and outside joint arm, realizes flexible relatively between the arm joint.
In the prior art, slide block is fixed in the telescopic arm between the acromere arm through take-up housing, and take-up housing comprises fixed head 1; Cover plate 101 and connecting plate 102 are connected to form a groove through welding manner between the three, and be extremely shown in Figure 3 like Fig. 1; Wherein Fig. 1 is the front view of take-up housing; Fig. 2 is the vertical view of take-up housing, and Fig. 3 is the A-A cutaway view of Fig. 2, and the slide block (not shown) is arranged in the groove of take-up housing.Adopt the take-up housing of this version to realize the fixing of slide block, not enough below main the existence: the one, take-up housing welding bead in welding process melts, and forms residual overlap in inside grooves easily, makes slide block to assemble; The 2nd, Welding Structure is difficult to guarantee the perpendicularity requirement of fixed head 1 and cover plate 101, causes take-up housing and telescopic arm arm joint assembling difficulty.Simultaneously, when telescopic arm arm joint was longer, the flatness on arm joint surface also was difficult to control, thereby had further improved the assembly difficulty of take-up housing and arm joint.
In addition, the take-up housing structure after the welding does not have controllability, is not easy to adjust the gap between slide block and the take-up housing mating surface, and the phenomenon that slide block comes off possibly occur from take-up housing.
In view of this, need a kind of slide block fixed mechanism badly and solve slide block mechanism and the difficult problem of telescopic arm arm joint assembling in the prior art.
The utility model content
To above-mentioned defective; The technical problem that the utility model solves is; A kind of slide block fixed mechanism of telescopic arm is provided; Utilize this mechanism to avoid occurring in welded take-up housing and the slide block assembling process problem that the assembling difficulty maybe can't be assembled easily with slide block mechanism and the assembling of telescopic arm arm joint.On this basis, the utility model also provides a kind of telescopic boom fire fighting truck with this slide block fixed mechanism.
The slide block fixed mechanism of the telescopic arm that the utility model provides; Comprise and be used for the fixed head that is connected with the acromere arm; Also comprise frid and slide block, said frid is provided with preceding hole and the metapore that connects along its thickness direction, and said fixed head is inserted in the said preceding hole; Said slide block is inserted in the said metapore, and said slide block lower end stretches out in said frid.
Preferably, it is up-small and down-big stepped that said slide block integral body is, and its upper end is inserted in the metapore of said frid.
Preferably; Has the cambered surface matching pair between the step surface of said slide block and the bottom surface of said frid; The center line of said cambered surface matching pair is parallel with said frid; And have the gap between the metapore hole wall of the upper end of said slide block and said frid, so that said slide block rotates with respect to said frid around the center line of said cambered surface matching pair.
Preferably; Said cambered surface matching pair comprises two strip circular arc projections that are arranged on the said slide block step surface and is arranged on the circular groove that matches with said circular arc projection in said frid bottom surface that said circular arc projection is symmetricly set on the both sides of the upper end of said slide block.
Preferably, the lower end of said fixed head stretches out in said preceding hole, and its extension is provided with screwed hole, and screw offsets through said screwed hole and said slide block.
Preferably, the lower end of said frid and said slide block is provided with the through hole of coaxial setting, is provided with oil guide pipe in the said through hole, and lubricating cup is arranged on said oil guide pipe upper end, and said lubricating cup stretches out in the outer arm joint outside.
Preferably, said through hole is arranged on the side of the lower end of said frid and said slide block away from said fixed head.
Preferably, adopt bolt to be connected on the said fixed head with between the said acromere arm.
Preferably, said fixed head lower end is provided with the groove that connects along its thickness direction.
The fire fighting truck that the utility model provides, its telescopic arm adopt the slide block fixed mechanism of foregoing telescopic arm.
The utility model through fixed head and slide block are inserted into respectively offer on the frid along in the preceding hole and metapore that its thickness direction connects, can accomplish the assembling of take-up housing.Compared with prior art, the utility model has effectively been avoided the problem that exists overlap to cause slide block to assemble in the welded take-up housing; Simultaneously, fixed head is inserted in the preceding hole of frid, has the gap between the two, and there is certain regulatory function in this gap, can reduce the perpendicularity requirement of fixed head and frid, is convenient to carry out the assembling of take-up housing and telescopic arm arm joint.
In the preferred version of the utility model; The upper end of slide block is inserted in the metapore of frid; Step surface contacts with the frid bottom surface, and in the relative telescopic process of interior acromere arm, the load that frid applies the acromere arm passes to the lower end of slide block; The supporting role of internal acromere arm is played in both combinations jointly, guarantees the steadily flexible of telescopic arm.
In another preferred version of the utility model; Be provided with the gap between the back hole wall of the upper end of slide block and frid, also be provided with the circular arc projection on the lower end of slide block, this circular arc projection matches with the circular groove that is arranged on the frid lower end; This structure has automatic regulatory function; Slide block is rotated in certain radian scope, thereby the bottom surface of slide block is fully contacted with internal segment arm surface, and solve the flatness problem on internal segment arm surface to a certain extent; Flatness to internal segment arm surface requires to reduce, and manufacturing cost also decreases.
In the another preferred version of the utility model; The lower end of fixed head is provided with screwed hole; Screw offsets through this screwed hole and slide block; This is provided with the gap between the metapore that can adjust slide block and frid, avoids rocking in the frid metapore because of upper end of slide block and causes slider wear, thereby prolong service life of slide block.Simultaneously, this is provided with can also prevent that limited slip block comes off from the metapore of frid, is beneficial to the telescopic arm operation of steadily stretching.
Description of drawings
Fig. 1 is the front view of welded take-up housing in the prior art;
Fig. 2 is the vertical view of take-up housing shown in Figure 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the front view of the said telescopic arm head construction of embodiment;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 4;
Fig. 7 is the front view of the said slide block fixed mechanism of embodiment;
Fig. 8 is the vertical view of slide block fixed mechanism shown in Figure 7;
Fig. 9 is the left view of slide block fixed mechanism shown in Figure 7;
Figure 10 is the A-A cutaway view of Fig. 7;
Figure 11 is the axonometric drawing of slide block fixed mechanism shown in Figure 7;
Figure 12 is the overall structure sketch map of fire fighting truck described in the specific embodiment.
Among the figure:
Fixed head 1, frid 2, slide block 3, through hole 4, oil guide pipe 5, lubricating cup 6, screw 7, acromere arm 8, internal segment arm 9, screwed hole 11, preceding hole 21, metapore 22, lower end 31, upper end 32, circular arc projection 33, cover plate 101, connecting plate 102.
The specific embodiment
The core design of the utility model is to provide the slide block fixed mechanism of a burst of telescopic arm, utilizes this mechanism to have avoided the problem that exists overlap to cause slide block to assemble in the welded take-up housing easily with slide block mechanism and the assembling of telescopic arm arm joint; Simultaneously, fixed head is inserted in the preceding hole of frid, and there is the gap in both, and there is certain regulatory function in this gap, can reduce the perpendicularity requirement of fixed head and frid, avoids take-up housing and telescopic arm arm joint assembling difficulty.
In order to make those skilled in the art better understand the technical scheme of the utility model, do further to specify below in conjunction with Figure of description.
See also Fig. 4 to Fig. 6, wherein, Fig. 4 is the front view of the head construction of the said telescopic arm of this embodiment, and Fig. 5 is the A-A cutaway view of Fig. 4, and Fig. 6 is the B-B cutaway view of Fig. 4.Can be known that by figure the main body of the said telescopic arm of this embodiment constitutes identical with prior art, promptly the arm joint by the inside and outside nested setting of more piece constitutes, so this paper repeats no more.
Different with prior art is that the slide block fixed mechanism of the said telescopic arm of this programme adopts the plug-in mounting form to form, and can find out the slide block fixed mechanism of the said telescopic arm of this programme and the assembly relation between the telescopic arm arm head by Fig. 5 and Fig. 6.For specifying the inventive point place of the utility model, the concrete setting of slide block fixed mechanism has been shown among Fig. 7 to Figure 11, wherein, Fig. 7 to Fig. 9 is respectively front view, vertical view and the left view of the said slide block fixed mechanism of this embodiment; Figure 10 is the A-A cutaway view of Fig. 7; Figure 11 is the axonometric drawing of slide block fixed mechanism shown in Figure 7.
Can know by figure; The slide block fixed mechanism comprises frid 2, slide block 3, and is used for the fixed head 1 that is connected with acromere arm 8, and frid 2 is provided with along preceding hole 21 and metapore 22 that its thickness direction connects; Fixed head 1 lower end is inserted in the preceding hole 21; Slide block 3 is inserted in the metapore 22, and plug-in mounting is connected fixed head 1 upper end after accomplishing with the acromere arm 8 of telescopic arm, promptly accomplished the installation of take-up housing and slide block.Adopt this structure to avoid the problem that exists overlap to cause slide block to assemble in the welded take-up housing; Simultaneously; Fixed head 1 is inserted in the preceding hole 21 of frid 2; Have the gap between the hole wall in fixed head 1 and preceding hole 21, this gap has certain regulatory function, makes fixed head 1 can in preceding hole 21, realize small activity; This has just reduced in the connection procedure of slide block fixed mechanism and telescopic arm arm joint the perpendicularity requirement of fixed head 1 and frid 2, and it is difficult with the assembling of telescopic arm arm joint to reduce take-up housing.In addition, the slide block fixed mechanism that adopts the plug-in mounting mode to form has structure facility, advantage that efficiency of assembling is high.
Particularly, it is up-small and down-big stepped that the structure of slide block 3 is, and its upper end 32 is inserted in the metapore 22 of said frid 2, and lower end 31 contacts with 9 on the internal segment arm of telescopic arm.In the relative telescopic process of interior acromere arm, the load from acromere arm 8 that frid 2 will bear passes to the lower end 31 of slide block 3, and frid 2 combines with the lower end 31 of slide block 3 and forms the support of a rigidity, realizes the supporting role of internal acromere arm jointly.In addition, this setting has also increased the contact area of slide block 3 and telescopic arm internal segment arm 9, helps telescopic arm and carries out steadily flexible.
Because each parts all exists processing, foozle, and accumulated error directly influences the contact area between slide block and the internal segment arm.For improving applying degree between the two; Increase contact area between the two; Further, this programme can be provided with the cambered surface matching pair between the bottom surface of the step surface of slide block 3 and frid 2, and the center line of this cambered surface matching pair is parallel with frid 2; And have the gap between metapore 22 hole walls of the upper end 32 of slide block 3 and frid 2, so that said slide block 3 rotates with respect to said frid 2 around the center line of said cambered surface matching pair.Particularly; This cambered surface matching pair comprises two strip circular arc projections 33 that are arranged on slide block 3 step surfaces and the circular groove that is arranged on frid 2 bottom surfaces; This circular groove is used for matching with circular arc projection 33, and circular arc projection 33 is symmetricly set on the both sides of the upper end 32 of slide block 3.In the assembling process of slide block 3 and frid 2; Owing to be provided with the gap between the upper end 32 of slide block 3 and metapore 22 hole walls of frid 2; Slide block 3 is rotated with respect to frid 2 in certain radian scope, help making the bottom surface of slide block 3 fully to contact, and solve the flatness problem on internal segment arm 9 surfaces to a certain extent with internal segment arm 9 surfaces; Thereby the flatness to internal segment arm 9 surfaces requires and can suitably loosen, and helps reducing manufacturing cost.Need to prove that the form of this cambered surface matching pair and quantity are not limited to shown in the figure, such as, the quantity of circular arc projection can also be four or more, therefore, as long as satisfy the use needs all in the scope that the application asks for protection.
For the contact between metapore 22 hole walls that make slide block 3 and frid 2 reaches optimum state; Be provided with screwed hole 11 in the lower end of fixed head 1; Screw 7 offsets with slide block 3 through this screwed hole 11; Screw out the gap between metapore 22 hole walls that can adjust slide block 3 and frid 2 through the screw-in of screw 7 in screwed hole 11, anti-limited slip block 3 comes off from the metapore 22 of frid 2; Simultaneously, slide block 3 is best with frid 2 metapores 22 hole wall contact conditions, can also reduce slide block 3 wearing and tearing, prolongs the service life of slide block 3.
For ease of to injecting lubricant grease in the telescopic arm; Guarantee good the lubricating of realization between the face that be slidingly matched of slide block 3 and internal segment arm 9, this programme offers the through hole 4 of coaxial setting in the lower end 31 of frid 2 and slide block 3, be provided with internal thread in this through hole 4; Oil guide pipe 3 is connected with slide block 3 with frid 2 through thread forms; Lubricating cup 6 is arranged on oil guide pipe 3 upper ends and stretches out in the outside of acromere arm 8, and slide block 3 bottom surface mid portions are provided with groove, and this groove can be used for storing lubricant grease.When needs inject lubricating oil to slide block device; Directly operate and get final product in the telescopic arm outside; Lubricant grease gets into the groove of slide blocks 3 bottom surfaces through lubricating cup 6 and oil guide pipe 5, thereby realizes the storage of lubricant grease, for the start performance of slide block 3 provides reliable guarantee.
Particularly, the through hole 4 of frid 2 and slide block 3 lower ends is arranged on the side away from fixed head 1, and placed in the middle at frid 3 widths, and so layout can make slide block 3 and frid 2 structures rationally utilized, and is beneficial to lubricant grease and evenly distributes in slide block 3 bottom surfaces.
For making things convenient for being connected of fixed head 1 and acromere arm 8, be provided with screwed hole in fixed head 1 upper end, connect through bolt between fixed head 1 and the acromere arm 8, this connected mode has characteristics easily and fast, and is convenient to dismounting.
The telescopic arm deadweight is the key factor that influences its operation height and amplitude.For reducing the telescopic arm deadweight, improve the telescopicing performance of telescopic arm, can be provided with the groove that connects along its thickness direction in fixed head 1 lower end, this is provided with also has the saving material, the effect that reduces cost simultaneously.
Except that the slide block fixed mechanism of above-mentioned telescopic arm, the utility model also provides a kind of telescopic boom fire fighting truck, and its telescopic arm has the slide block fixed mechanism of telescopic arm as previously mentioned, specifically sees also Figure 12, and this figure is the overall structure sketch map of said fire fighting truck.
Need to prove that the main function components and the prior art of this fire fighting truck are identical, owing to those of ordinary skills can realize based on prior art, so this paper repeats no more.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (10)
1. the slide block fixed mechanism of a telescopic arm; Comprise being used for the fixed head (1) that is connected with acromere arm (8), it is characterized in that, also comprise: frid (2) and slide block (3); Said frid (2) is provided with preceding hole (21) and the metapore (22) that connects along its thickness direction; Said fixed head (1) is inserted in the said preceding hole (21), and said slide block (3) is inserted in the said metapore (22), and said slide block (3) lower end stretches out in said frid (2).
2. the slide block fixed mechanism of telescopic arm according to claim 1 is characterized in that, it is up-small and down-big stepped that said slide block (3) integral body is, and its upper end (32) is inserted in the metapore (22) of said frid (2).
3. the slide block fixed mechanism of telescopic arm according to claim 2; It is characterized in that; Has the cambered surface matching pair between the bottom surface of the step surface of said slide block (3) and said frid (2); The center line of said cambered surface matching pair is parallel with said frid (2), and has the gap between metapore (22) hole wall of the upper end (32) of said slide block (3) and said frid (2), so that said slide block (3) rotates with respect to said frid (2) around the center line of said cambered surface matching pair.
4. the slide block fixed mechanism of telescopic arm according to claim 3; It is characterized in that; Said cambered surface matching pair comprises and is arranged on two the strip circular arc projections (33) on said slide block (3) step surface and is arranged on the circular groove that matches with said circular arc projection (33) in said frid (2) bottom surface that said circular arc projection (33) is symmetricly set on the both sides of the upper end (32) of said slide block (3).
5. the slide block fixed mechanism of telescopic arm according to claim 1 and 2; It is characterized in that; The lower end of said fixed head (1) stretches out in said preceding hole (21), and its extension is provided with screwed hole (11), and screw (7) offsets through said screwed hole (11) and said slide block (3).
6. the slide block fixed mechanism of telescopic arm according to claim 2; It is characterized in that; The lower end (31) of said frid (2) and said slide block (3) offers the through hole (4) of coaxial setting; Be provided with oil guide pipe (5) in the said through hole (4), lubricating cup (6) is arranged on said oil guide pipe (5) upper end, and said lubricating cup (6) stretches out in outer arm joint (8) outside.
7. the slide block fixed mechanism of telescopic arm according to claim 6 is characterized in that, said through hole (4) is arranged on the side of the lower end (31) of said frid (2) and said slide block (3) away from said fixed head (1).
8. the slide block fixed mechanism of telescopic arm according to claim 5 is characterized in that, adopts bolt to be connected on the said fixed head (1) with between the said acromere arm (8).
9. the slide block fixed mechanism of telescopic arm according to claim 5 is characterized in that, said fixed head (1) lower end is provided with the groove that connects along its thickness direction.
10. a telescopic boom fire fighting truck is characterized in that, its telescopic arm adopts the slide block fixed mechanism of each described telescopic arm in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120345887XU CN202289272U (en) | 2011-09-15 | 2011-09-15 | Sliding block fixing mechanism of telescopic boom and telescopic boom type fire truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120345887XU CN202289272U (en) | 2011-09-15 | 2011-09-15 | Sliding block fixing mechanism of telescopic boom and telescopic boom type fire truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202289272U true CN202289272U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120345887XU Expired - Lifetime CN202289272U (en) | 2011-09-15 | 2011-09-15 | Sliding block fixing mechanism of telescopic boom and telescopic boom type fire truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202289272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421784A (en) * | 2015-11-30 | 2016-03-23 | 河南省耿力工程设备有限公司 | Heptagon telescopic arm and concrete support guniting trolley |
-
2011
- 2011-09-15 CN CN201120345887XU patent/CN202289272U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421784A (en) * | 2015-11-30 | 2016-03-23 | 河南省耿力工程设备有限公司 | Heptagon telescopic arm and concrete support guniting trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170213 Address after: 221004 Jiangsu Province, Xuzhou City Yunlong District No. 165 Patentee after: Xugong fire safety equipment Co. Ltd. Address before: 221004 Xuzhou, Zhejiang Province, Jiangsu Road No. 165 Patentee before: Xuzhou Heavy Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |