CN203439935U - Horizontal guiding device used on crane - Google Patents
Horizontal guiding device used on crane Download PDFInfo
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- CN203439935U CN203439935U CN201320557812.7U CN201320557812U CN203439935U CN 203439935 U CN203439935 U CN 203439935U CN 201320557812 U CN201320557812 U CN 201320557812U CN 203439935 U CN203439935 U CN 203439935U
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- turning set
- horizontal guide
- extension
- eccentric shaft
- erecting frame
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- Withdrawn - After Issue
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Abstract
The utility model relates to the technical field of cranes, in particular to a horizontal guiding device used on a crane. The horizontal guiding device comprises a mounting rack, wherein the mounting rack is fixedly mounted on an end beam; two rotary sleeves are rotationally mounted on the mounting rack; a locking structure is arranged between each rotary sleeve and the mounting rack, and used for fixing the rotary sleeve on the mounting rack; an eccentric shaft is inserted into each rotary sleeve and comprises a mounting part and an extending part; the mounting parts are mounted in the rotary sleeves, and the extending parts extend out of the rotary sleeves; the mounting parts are uncoaxial with the extending parts, and are in transmission connection with the rotary sleeves through keys; locking nuts are arranged at the two ends of each rotary sleeve, and are in threaded connection with the corresponding eccentric shaft; horizontal guiding wheels are rotationally mounted on the extending parts; the two horizontal guiding wheels are respectively arranged on two sides of a track. According to the horizontal guiding device, the horizontal guiding wheels can be adjusted in the horizontal and vertical directions, are convenient and easy to adjust, and the operating safety of the whole machine is guaranteed.
Description
Technical field
The utility model relates to hoisting crane technical field, relates in particular to the horizontal guide piece of a kind of hoisting crane.
Background technology
Large span, the hoisting crane that running velocity is high, in actual production, cause wheel and interorbital to produce serious wearing and tearing because a variety of causes hoisting crane there will be deflection operation, i.e. the so-called rail phenomenon of gnawing.Due to serious wear, some crane wheel workpiece life-spans are some months only, and some steel rail for crane have to change in advance.On the other hand, deflection when operation transmission device need overcome larger resistance, and in design, the load-carrying capacity of transmission device and motor capacity all need corresponding increase, and for this reason, people seek various ways and attempt to overcome and improve above-mentioned phenomenon.
At present, horizontal guide sheave is often installed on crane end carriage, but due to after existing horizontal guide sheave assembles, inconvenience is adjusted in gap between horizontal guide sheave and track, and dismounting is loaded down with trivial details, and adjustment is wasted time and energy, difficulty is larger, along with the wearing and tearing of horizontal guide sheave, distance between the two increases, and causes guiding unfavorable, when after certain degree, just must with new horizontal guide sheave, replace the horizontal guide sheave of wearing and tearing, increase maintenance cost, waste time.
Utility model content
The purpose of this utility model is to provide a kind of hoisting crane horizontal guide piece, be intended to solve horizontal guide sheave and the adjustment inconvenience of the gap between track of prior art, wearing and tearing along with horizontal guide sheave, must replace with new horizontal guide sheave the horizontal guide sheave of wearing and tearing, the technical matters that cost is high.
The utility model is to realize like this, the horizontal guide piece of hoisting crane, comprise the erecting frame being fixedly mounted on end carriage, on described erecting frame, be rotatablely equipped with two turning sets, described in each, between turning set and erecting frame, be equipped with for described turning set is fixed on to the locking mechanism on described erecting frame, described in each, in turning set, be all fitted with an eccentric shaft, described eccentric shaft comprises the installation portion being installed in described turning set and stretches out the extension of described turning set, described installation portion and extension disalignment, described installation portion and turning set are in transmission connection by key, the two ends of described turning set are equipped with jam nut, described jam nut is threaded with described eccentric shaft, described extension is rotatablely equipped with horizontal guide sheave, described in two, horizontal guide sheave lays respectively at the both sides of track.
As a kind of improvement, described locking mechanism comprises for limiting the axial limit structure of described turning set longitudinal travel and the circumferential positioning structure rotating for limiting described turning set.
As improving further, described axial limit structure comprises and is fixedly mounted on described turning set away from the flange of one end of described extension, on described turning set, near described extension one end, spacing ring is installed, described spacing ring is set on described turning set, and described spacing ring offsets with the jam nut near described extension one end.
As improving further, described flange and turning set are set to one.
As improving further, described circumferential positioning structure comprises by fastener and is fixedly mounted on the location tooth bar on described erecting frame, and described location tooth bar and flange are connected by meshing transmission.
As improving further, described installation portion is provided with and coordinates the force section in order to eccentric shaft described in auxiliary rotary with spanner away from one end of described extension.
Owing to adopting technique scheme, the beneficial effects of the utility model are: owing to being rotatablely equipped with turning set on erecting frame, by locking mechanism, turning set is fixed on erecting frame, in turning set, be fitted with eccentric shaft, eccentric shaft and turning set are in transmission connection by key, eccentric shaft is rotated together with turning set, jam nut is established at turning set two ends, jam nut is threaded with eccentric shaft, by adjusting jam nut to eccentric shaft axial location, eccentric shaft is limited to suitable level height, simple in structure, easy to adjust, on extension, be rotatablely equipped with horizontal guide sheave, two horizontal guide sheaves lay respectively at the both sides of track, pass through eccentric rotation axis, just can adjust the gap between horizontal guide sheave and track, screw jam nut and adjust the level height of horizontal guide sheave, with realistic technical requirements, then regulate locking mechanism that eccentric shaft is locked, adjust simple and convenient, wearing and tearing with horizontal guide sheave, can further adjust the gap between horizontal guide sheave and track, adjust effective, reduced the replacing of horizontal guide sheave.
Because locking mechanism comprises axial limit structure and circumferential positioning structure, in order to limit longitudinal travel and the slewing area of turning set, and then eccentric shaft is fixed in suitable level height, keep the appropriate clearance between horizontal guide sheave and track, realistic technical requirements.
Because axial limit structure comprises flange and spacing ring, flange is away from extension, spacing ring is near extension, and spacing ring is set on turning set and with the jam nut near extension and offsets, and turning set is fixed on erecting frame, the turning set that prevents from being in course of adjustment is subjected to displacement in the axial direction, flange and spacing ring are set, and simple in structure, axial location is effective, preferred flange and turning set are set to one, easier for installation.
Because circumferential positioning structure comprises location tooth bar, location tooth bar is fixedly mounted on erecting frame by fastener, when eccentric shaft turns to correct position, regulate location tooth bar that itself and flange are meshed, make eccentric shaft upwards fixing, simple in structure in week, easy to operate, good positioning effect.
Because installation portion is provided with force section, the convenient instruments such as spanner that use, with eccentric rotation axis, regulate the gap between horizontal guide sheave and track, make to regulate convenient.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram;
Wherein: 1-end carriage, 2-erecting frame, 3-turning set, 4-eccentric shaft, 41-installation portion, 42-extension, 43-force section, 5-jam nut, 6-horizontal guide sheave, 7-track, 8-axial limit structure, 81-flange, 82-spacing ring, the circumferential position limiting structure of 9-, 91-locates tooth bar.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the horizontal guide piece of a kind of hoisting crane, comprise the erecting frame 2 being fixedly mounted on end carriage 1, on erecting frame 2, be rotatablely equipped with two turning sets 3, between each turning set 3 and erecting frame 2, be equipped with for turning set 3 is fixed on to the locking mechanism on erecting frame 2, by locking mechanism, turning set 3 is fixed on erecting frame 2, the interior eccentric shaft 4 that is all fitted with of each turning set 3, eccentric shaft 4 comprises the installation portion 41 being installed in turning set 3 and the extension 42 that stretches out turning set 3, installation portion 41 and extension 42 disalignments, installation portion 41 is in transmission connection by key with turning set 3, make eccentric shaft 4 synchronize rotation with turning set 3, the two ends of turning set 3 are equipped with jam nut 5, jam nut 5 is threaded with eccentric shaft 4, eccentric shaft 4 is fixed on turning set 3, extension 42 is rotatablely equipped with horizontal guide sheave 6, two horizontal guide sheaves 6 lay respectively at the both sides of track 7, due to installation portion 41 and extension 42 disalignments, by eccentric rotation axis 4, can regulate the gap between horizontal guide sheave 6 and track 7, screw jam nut 5 level height of eccentric adjustment axle 4 again, and then the height of adjusting horizontal guide sheave 6, regulate afterwards locking mechanism that eccentric shaft 4 is fixing, with realistic technical requirements, flexible adjustment, simple to operation, saved the time, along with the wearing and tearing of horizontal guide sheave 6 can regulate again, reduced the replacing of horizontal guide sheave 6, reduced cost.
In the present embodiment, locking mechanism comprises for limiting the axial limit structure 8 of turning set 3 longitudinal travels and the circumferential positioning structure 9 rotating for limiting turning set 3, eccentric shaft 4 is fixed in suitable level height, keep the appropriate clearance between horizontal guide sheave 6 and track 7, with realistic technical requirements.
Concrete, axial limit structure 8 comprises and is fixedly mounted on turning set 3 away from the flange 81 of one end of extension 42, on turning set 3, near extension 42 one end, spacing ring 82 is installed, spacing ring 82 is set on turning set 3, spacing ring 82 offsets with the jam nut 5 near extension 42 one end, turning set 3 is fixed on erecting frame 2, on the turning set 3 that prevents from being in course of adjustment is axial, be subjected to displacement, easy to adjust, axial location is effective, and preferably, flange 81 is set to one with turning set 3, simple in structure, easy for installation; Circumferential positioning structure 9 comprises by fastener and is fixedly mounted on the location tooth bar 91 on erecting frame 2, location tooth bar 91 is connected by meshing transmission with flange 81, when eccentric shaft 4 turns to correct position, regulate location tooth bar 91 that itself and flange 81 are meshed, make eccentric shaft 4 upwards fixing in week, simple in structure, easy to operate, good positioning effect.
In the present embodiment, installation portion 41 is provided with away from one end of extension 42 force section 43 coordinating with spanner in order to auxiliary rotary eccentric shaft 4, and convenient and practical instrument eccentric rotation axis 4, to regulate the gap between horizontal guide sheave 6 and track 7, makes to regulate convenient.
The control process of the present embodiment is as follows: unscrew two jam nuts 5, the height of eccentric adjustment axle 4 up or down, realize the height that regulates horizontal guide sheave 6, with realistic technical requirements, tighten afterwards two jam nuts 5, eccentric shaft 4 is fixed on turning set 3, to eccentric shaft 4 axial location, completes the adjusting of horizontal guide sheave 6 vertical directions; Unclamp location tooth bar 91, use the force section 43 of the instrument eccentric rotation axis 4 such as spanner, regulate the gap between horizontal guide sheave 6 and track 7, with realistic technical requirements, will locate afterwards tooth bar 91 and flange 81 engagements, by fastener, location tooth bar 91 is fixed on erecting frame 2, to eccentric shaft 4 axial location, complete the adjusting to horizontal guide sheave 6 horizontal directions, simple to operate, regulate accurately.
The horizontal guide piece of the hoisting crane that the utility model provides, adjusting lock nut 5 is fixed on suitable height by eccentric shaft 4, the gap that eccentric rotation axis 4 regulates between horizontal guide sheave 6 and track 7, complete the adjustment of horizontal guide sheave 6 in vertical direction and horizontal direction, simple to operate, regulate accurately, guarantee the safety of complete machine operation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. the horizontal guide piece of hoisting crane, comprise the erecting frame being fixedly mounted on end carriage, it is characterized in that, on described erecting frame, be rotatablely equipped with two turning sets, described in each, between turning set and erecting frame, be equipped with for described turning set is fixed on to the locking mechanism on described erecting frame, described in each, in turning set, be all fitted with an eccentric shaft, described eccentric shaft comprises the installation portion being installed in described turning set and stretches out the extension of described turning set, described installation portion and extension disalignment, described installation portion and turning set are in transmission connection by key, the two ends of described turning set are equipped with jam nut, described jam nut is threaded with described eccentric shaft, described extension is rotatablely equipped with horizontal guide sheave, described in two, horizontal guide sheave lays respectively at the both sides of track.
2. the horizontal guide piece of hoisting crane according to claim 1, is characterized in that, described locking mechanism comprises for limiting the axial limit structure of described turning set longitudinal travel and the circumferential positioning structure rotating for limiting described turning set.
3. the horizontal guide piece of hoisting crane according to claim 2, it is characterized in that, described axial limit structure comprises and is fixedly mounted on described turning set away from the flange of one end of described extension, on described turning set, near described extension one end, spacing ring is installed, described spacing ring is set on described turning set, and described spacing ring offsets with the jam nut near described extension one end.
4. the horizontal guide piece of hoisting crane according to claim 3, is characterized in that, described flange and turning set are set to one.
5. according to the horizontal guide piece of the hoisting crane described in claim 3 or 4, it is characterized in that, described circumferential positioning structure comprises by fastener and is fixedly mounted on the location tooth bar on described erecting frame, and described location tooth bar and flange are connected by meshing transmission.
6. the horizontal guide piece of hoisting crane according to claim 5, is characterized in that, described installation portion is provided with and coordinates the force section in order to eccentric shaft described in auxiliary rotary with spanner away from one end of described extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557812.7U CN203439935U (en) | 2013-09-09 | 2013-09-09 | Horizontal guiding device used on crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557812.7U CN203439935U (en) | 2013-09-09 | 2013-09-09 | Horizontal guiding device used on crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203439935U true CN203439935U (en) | 2014-02-19 |
Family
ID=50091003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320557812.7U Withdrawn - After Issue CN203439935U (en) | 2013-09-09 | 2013-09-09 | Horizontal guiding device used on crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203439935U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434931A (en) * | 2013-09-09 | 2013-12-11 | 山起重型机械股份公司 | Horizontal guide device for crane |
| CN104309628A (en) * | 2014-10-11 | 2015-01-28 | 太原重工股份有限公司 | Guide wheel device of movement mechanism of mechanical equipment |
-
2013
- 2013-09-09 CN CN201320557812.7U patent/CN203439935U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434931A (en) * | 2013-09-09 | 2013-12-11 | 山起重型机械股份公司 | Horizontal guide device for crane |
| CN103434931B (en) * | 2013-09-09 | 2015-09-09 | 山起重型机械股份公司 | Hoisting crane horizontally-guided device |
| CN104309628A (en) * | 2014-10-11 | 2015-01-28 | 太原重工股份有限公司 | Guide wheel device of movement mechanism of mechanical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |