CN204111176U - For the elastic sling of forklift gear-box lifting - Google Patents
For the elastic sling of forklift gear-box lifting Download PDFInfo
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- CN204111176U CN204111176U CN201420535530.1U CN201420535530U CN204111176U CN 204111176 U CN204111176 U CN 204111176U CN 201420535530 U CN201420535530 U CN 201420535530U CN 204111176 U CN204111176 U CN 204111176U
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Abstract
The utility model relates to the elastic sling for forklift gear-box lifting.Comprise cylindrical shell and suspension hook, the upper end of cylindrical shell is provided with suspension ring hole, the lower end of cylindrical shell is inwardly provided with blind hole, the lower end of cylindrical shell is provided with the end cap be threaded with it, suspension hook comprises body of rod section and the coupler body section with body of rod section global formation, body of rod section stretches in blind hole through end cap, the body of rod section being positioned at cylindrical shell is arranged with spring, body of rod section is arranged with spring perch, one end of spring is resisted against on spring perch, the other end of spring is resisted against on end cap, top and the middle part of body of rod section are respectively equipped with first, second thread segment, first thread segment is provided with fluted nut, second thread segment is provided with fastening screw nut, fastening screw nut is positioned at the below of end cap.As shown from the above technical solution, the utility model can adjust the predetermincd tension of spring according to different workpiece, use with the work that attaches together adapting to different cultivars change speed gear box, compensate for specialized equipment and be difficult to adapt to the defect that multi items change speed gear box and test cell or driving engine attach together.
Description
Technical field
The utility model relates to a kind of forklift gear-box, is specifically related to a kind of elastic sling for forklift gear-box lifting.
Background technology
Diesel fork lift truck change speed gear box can be divided into mechanical gear box and hydraulic transmission box.The torque converter casing end of body of hydraulic transmission box leaves locating dowel pin usually, can accurately locate after being convenient to attach together with driving engine, ensures that tor-con location spindle nose is concentric with engine flywheel; Locating flange is left in the end of mechanical gear box clutch case, when attaching together with engine assembly, need ensure that an axle spline can insert clutch driven disc splined hole smoothly and enter the endoporus of engine flywheel location bearing, flange need accurately enter flywheel shell of engine and coordinate with clutch bell simultaneously.Because there are above-mentioned many places to coordinate and need complete at an assembling work step simultaneously, assembly precision is higher, needs the position side of trace adjustment change speed gear box can complete the cooperation at this few place in fitting process simultaneously.At present, domestic for this type of assembling following two kinds of modes of employing usually: one is stationary engine, utilize driving by change speed gear box lifting to driving engine edge, slowly adjustment driving aligns the sling height of change speed gear box, 4mm is about owing to utilizing train operation adjustment precision, through repeatedly adjusting, rear promotion change speed gear box need be aligned, completes and attach together operation.In the process, as driving sling height error is greater than 0.5mm, must again repeatedly adjust, whole fitting process is wasted time and energy, inefficiency.In like manner, change speed gear box, when predelivery test, because T/S is fixed, utilizes driving lifting, runs into problems equally; Two is when product design, change speed gear box processes locating surface, utilizes specialized equipment, attach together after accurately locating change speed gear box and driving engine, adopt this type of mode, production efficiency is higher, labor strength is low, but equipment construction input cost is high, and it is bad that multi-assortment production attaches together comformability.
Utility model content
The purpose of this utility model is to provide a kind of elastic sling for forklift gear-box lifting, and this suspender cost is low, efficiency is high.
For achieving the above object, the utility model have employed following technical scheme: comprise cylindrical shell and suspension hook, the upper end of cylindrical shell is provided with suspension ring hole, the lower end of cylindrical shell is inwardly provided with blind hole, the lower end of cylindrical shell is provided with the end cap be threaded with it, described suspension hook comprises body of rod section and the coupler body section with body of rod section global formation, described body of rod section stretches in blind hole through end cap, the body of rod section being positioned at cylindrical shell is arranged with spring, described body of rod section is arranged with spring perch, one end of described spring is resisted against on spring perch, the other end of described spring is resisted against on end cap, top and the middle part of described body of rod section are respectively equipped with first, second thread segment, first thread segment is provided with fluted nut, the spring cotter preventing fluted nut from coming off is provided with above described fluted nut, described body of rod section is provided with the cotter-pin hold inserted for spring cotter, the second described thread segment is provided with fastening screw nut, described fastening screw nut is positioned at the below of end cap.
Described end cap comprises flange and the upper surface upwards vertically extending cylinder along flange, the external diameter of described cylinder is less than the external diameter of flange, and the external diameter of the external diameter of flange and cylindrical shell matches, the outer peripheral face of described cylinder is provided with the outside thread matched with cylindrical shell bottom negative thread, described cover internal is provided with the stepped hole that upper diameter is large, lower diameter is little, and described spring is resisted against on step surface.
Described flange is furnished with breach along its circumferential uniform intervals.
The lower end of described flange is provided with boss.
The second cylinder that described spring perch comprises the first cylinder and arranges downward vertically along the first cylindrical lower surface, first, second cylindrical inside is provided with the endoporus passed for body of rod section, described first cylindrical external diameter 1mm less of the external diameter of spring, described endoporus and body of rod section form free-running fit.
The end of described coupler body section is provided with the tapering being convenient to suspender mounting.
The symmetrical kidney slots offering two layouts in vertical on described cylindrical shell, the notch edges place of kidney slot is provided with scale.
The stiffness coefficient of described spring is 30-70N/mm.
As shown from the above technical solution, the utility model can adjust the predetermincd tension of spring according to different workpiece, use with the work that attaches together adapting to different cultivars change speed gear box, compensate for specialized equipment and be difficult to adapt to the defect that multi items change speed gear box and test cell or driving engine attach together.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is perspective view of the present utility model;
Fig. 5 is the structural representation of the utility model cylindrical shell;
Fig. 6 is the structural representation of the utility model suspension hook;
Fig. 7 is the structural representation of the utility model end cap;
Fig. 8 be the utility model spring perch structural representation '
Fig. 9 is using state figure of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
As Fig. 1, Fig. 2, Fig. 3, a kind of elastic sling for forklift gear-box lifting shown in Fig. 4, comprise cylindrical shell 1 and suspension hook 2, the upper end of cylindrical shell 1 is provided with suspension ring hole 3, the lower end of cylindrical shell 1 is inwardly provided with blind hole 11, the lower end of cylindrical shell 1 is provided with the end cap 4 be threaded with it, as shown in Figure 6, suspension hook 2 comprises body of rod section 21 and the coupler body section 22 with body of rod section 21 global formation, body of rod section 21 stretches in blind hole 11 through end cap 4, the body of rod section 21 being positioned at cylindrical shell 1 is arranged with spring 5, the external diameter that the internal orifice dimension of blind hole is greater than spring is convenient to hold spring, body of rod section 21 is arranged with spring perch 6, one end of spring 5 is resisted against on spring perch 6, the other end of spring 5 is resisted against on end cap 4, top and the middle part of body of rod section 21 are respectively equipped with first, second thread segment 211, 212, first thread segment is convenient to the installation of spring perch, second thread segment is convenient to the pretension of spring.First thread segment 211 is provided with fluted nut 7, is provided with the spring cotter 8 preventing fluted nut 7 from coming off above fluted nut 7, and fluted nut coordinates spring cotter to use, and can effectively prevent fluted nut from coming off, avoid workpiece to fall and cause safety misadventure; Body of rod section 21 is provided with cotter-pin hold 23, second thread segment 212 inserted for spring cotter 8 and is provided with fastening screw nut 9, and fastening screw nut 9 is positioned at the below of end cap 4.Specifically, fastening screw nut adopts gauge member thin nut two, is convenient to the predetermincd tension adjusting spring, reduces the overall axial length of suspender simultaneously, and initial tension of spring is also tightly locking by two thin nuts after adjusting.
Further, as shown in Figure 7, end cap 4 comprises flange 41 and the upper surface upwards vertically extending cylinder 42 along flange 41, the external diameter of cylinder 42 is less than the external diameter of flange 41, and the external diameter of the external diameter of flange 41 and cylindrical shell 1 matches, the outer peripheral face of cylinder 42 is provided with the outside thread matched with cylindrical shell 1 bottom negative thread, and namely the inside, lower end of cylindrical shell 1 is provided with negative thread, for matching with the cylinder outside thread of end cap; End cap 4 inside is provided with the stepped hole that upper diameter is large, lower diameter is little, spring 5 is resisted against on step surface, specifically, namely the body of rod section of suspension hook is through stepped hole, and the second thread segment of body of rod section is positioned at the reduced diameter section of stepped hole, spring is positioned at the enlarged diameter section of stepped hole, and the end of spring is resisted against on the step surface of stepped hole, namely stepped hole can simultaneously as embedded spring perch, for the location of spring.
Further, flange 41 is furnished with breach 411 along its circumferential uniform intervals.Breach 411 is convenient to adopt hook-headed wrench that end cap is screwed into cylindrical shell 1.
Further, the lower end of flange 41 is provided with boss 412.Boss 412 is convenient to fastening screw nut 9 and pretension that is tight and spring 5 regulates.
Further, as shown in Figure 8, the second cylinder 62 that spring perch 6 comprises the first cylinder 61 and arranges downward vertically along the lower surface of the first cylinder 61, the inside of first, second cylinder 61,62 is provided with the endoporus passed for body of rod section, the external diameter 1mm less of the external diameter of spring 5 of the first cylinder 61, endoporus and body of rod section 21 form free-running fit, and namely the diameter of endoporus is slightly larger than the diameter of body of rod section.
Further, the end of coupler body section 22 is provided with the tapering being convenient to suspender mounting.Namely the gib head position of coupler body section 22 forms the conical surface 221, convenient and Special lifting device for gearbox mounting.
Further, as shown in Figure 5, the symmetrical kidney slots 14 offering two layouts in vertical on cylindrical shell 1, the notch edges place of kidney slot 14 is provided with scale 12, according to the difference of workpiece weight, can adjust required spring pre-tightening amount intuitively like this.
Further, the stiffness coefficient of spring 5 is 30-70N/mm.
Concrete use procedure of the present utility model is as follows:
As shown in Figure 9, first adjust fastening screw nut, the predetermincd tension of spring is adjusted to and is less than by lifting workpiece weight 50-150N, during lifting workpiece, by this elastic sling string in being lifted by crane between the special hanger 103 of workpiece and driving 101 gib heads, driving 101 is connected by shackle 102 with between elastic sling, makes special hanger become the elasticity lifting gear of 50N/mm rigidity.Now spring is compressed, and suspension hook stretches out 1-3mm; Spring keeps balance to suspension hook application force upwards and workpiece weight to the pulling force that suspension hook is downward, and spring is in state of equilibrium; Now, if apply downward pressure 150N to workpiece, then workpiece can sink about about 3mm; Otherwise what apply 150N for workpiece has dragged power, and workpiece can rise about 3mm, and when required rising adjustment amount exceeds 3mm, spring no longer continues to work, and needs the sling height readjusting driving.From the above, adopt elastic sling 100 of the present utility model, lifting precision for driving can be relaxed to 6mm, even if can not accurate alignment pieces, operating personal utilizes the manpower being less than 150N to assist, the position of change speed gear box 104 can be adjusted easily, realize change speed gear box 104 easily and attach together with driving engine or test cell 105.During lifting workpiece, the bang path of power is: suspension hook → fluted nut → spring perch → spring → end cap → cylindrical shell → shackle → driving.
The beneficial effects of the utility model are: 1) use, easy to adjust, drastically increase the efficiency of assembling of change speed gear box; 2) effectively compensate for driving and wait the defect that lifting gear Adjustment precision is low, reduce the labour intensity of workman; 3) volume is little, is easy to deposit and take; 4) structure is simple, sturdy and durable, low cost of manufacture; 5) construction eliminating special together equipment drops into, and reduces equipment construction cost; 6) predetermincd tension of spring can be adjusted according to different workpiece, use with the work that attaches together adapting to different cultivars change speed gear box, compensate for specialized equipment and be difficult to adapt to the defect that multi items change speed gear box attaches together.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (8)
1. the elastic sling for forklift gear-box lifting, it is characterized in that: comprise cylindrical shell (1) and suspension hook (2), the upper end of cylindrical shell (1) is provided with suspension ring hole (3), the lower end of cylindrical shell (1) is inwardly provided with blind hole (11), the lower end of cylindrical shell (1) is provided with the end cap (4) be threaded with it, described suspension hook (2) comprises body of rod section (21) and the coupler body section (22) with body of rod section (21) global formation, described body of rod section (21) stretches in blind hole (11) through end cap (4), the body of rod section (21) being positioned at cylindrical shell (1) is arranged with spring (5), described body of rod section (21) is arranged with spring perch (6), one end of described spring (5) is resisted against on spring perch (6), the other end of described spring (5) is resisted against on end cap (4), top and the middle part of described body of rod section (21) are respectively equipped with first, second thread segment (211, 212), first thread segment (211) is provided with fluted nut (7), described fluted nut (7) top is provided with the spring cotter (8) preventing fluted nut (7) from coming off, described body of rod section (21) is provided with the cotter-pin hold (23) inserted for spring cotter (8), described the second thread segment (212) is provided with fastening screw nut (9), described fastening screw nut (9) is positioned at the below of end cap (4).
2. the elastic sling for forklift gear-box lifting according to claim 1, it is characterized in that: described end cap (4) comprises flange (41) and the upper surface upwards vertically extending cylinder (42) along flange (41), the external diameter of described cylinder (42) is less than the external diameter of flange (41), and the external diameter of the external diameter of flange (41) and cylindrical shell (1) matches, the outer peripheral face of described cylinder (42) is provided with the outside thread matched with cylindrical shell (1) bottom negative thread, it is large that described end cap (4) inside is provided with upper diameter, the stepped hole that lower diameter is little, described spring (5) is resisted against on step surface.
3. the elastic sling for forklift gear-box lifting according to claim 2, is characterized in that: described flange (41) is furnished with breach (411) along its circumferential uniform intervals.
4. the elastic sling for forklift gear-box lifting according to claim 3, is characterized in that: the lower end of described flange (41) is provided with boss (412).
5. the elastic sling for forklift gear-box lifting according to claim 2, it is characterized in that: the second cylinder (62) that described spring perch (6) comprises the first cylinder (61) and arranges downward vertically along the lower surface of the first cylinder (61), the inside of first, second cylinder (61,62) is provided with the endoporus passed for body of rod section, the external diameter 1mm less of the external diameter of spring (5) of described first cylinder (61), described endoporus and body of rod section (21) form free-running fit.
6. the elastic sling for forklift gear-box lifting according to claim 1, is characterized in that: the end of described coupler body section (22) is provided with the tapering being convenient to suspender mounting.
7. the elastic sling for forklift gear-box lifting according to claim 1, it is characterized in that: the upper symmetry of described cylindrical shell (1) offers two kidney slots (14) arranged in vertical, and the notch edges place of kidney slot (14) is provided with scale (12).
8. the elastic sling for forklift gear-box lifting according to claim 1, is characterized in that: the stiffness coefficient of described spring (5) is 30-70N/mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535530.1U CN204111176U (en) | 2014-09-18 | 2014-09-18 | For the elastic sling of forklift gear-box lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535530.1U CN204111176U (en) | 2014-09-18 | 2014-09-18 | For the elastic sling of forklift gear-box lifting |
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| Publication Number | Publication Date |
|---|---|
| CN204111176U true CN204111176U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420535530.1U Active CN204111176U (en) | 2014-09-18 | 2014-09-18 | For the elastic sling of forklift gear-box lifting |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276582A (en) * | 2016-09-19 | 2017-01-04 | 池州学院 | A kind of industrial suspension hook |
| CN107941453A (en) * | 2018-01-02 | 2018-04-20 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of free spin test model bridle catcher of wind-tunnel |
| CN112374355A (en) * | 2020-12-01 | 2021-02-19 | 广西玉柴机器股份有限公司 | Casting V type side core installation hoist |
| CN113086874A (en) * | 2021-03-19 | 2021-07-09 | 北京明光力达送变电工程有限公司 | Transformer installation process and equipment |
-
2014
- 2014-09-18 CN CN201420535530.1U patent/CN204111176U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276582A (en) * | 2016-09-19 | 2017-01-04 | 池州学院 | A kind of industrial suspension hook |
| CN107941453A (en) * | 2018-01-02 | 2018-04-20 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of free spin test model bridle catcher of wind-tunnel |
| CN107941453B (en) * | 2018-01-02 | 2024-04-05 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind tunnel free tail-spin test model recovery rod |
| CN112374355A (en) * | 2020-12-01 | 2021-02-19 | 广西玉柴机器股份有限公司 | Casting V type side core installation hoist |
| CN113086874A (en) * | 2021-03-19 | 2021-07-09 | 北京明光力达送变电工程有限公司 | Transformer installation process and equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |