CN108178094B - Overhead and gantry cranes maintenance tool - Google Patents
Overhead and gantry cranes maintenance tool Download PDFInfo
- Publication number
- CN108178094B CN108178094B CN201711390614.5A CN201711390614A CN108178094B CN 108178094 B CN108178094 B CN 108178094B CN 201711390614 A CN201711390614 A CN 201711390614A CN 108178094 B CN108178094 B CN 108178094B
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- CN
- China
- Prior art keywords
- gear
- gantry
- screw rod
- fender bracket
- overhead
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
- B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The invention belongs to flight-line maintenance technical fields, and in particular to a kind of overhead and gantry cranes maintenance tool；Including fender bracket, transmission mechanism, Yin Sheng mechanism and fixed mechanism；Transmission mechanism includes motor, central gear, first gear and second gear；Yin Sheng mechanism includes the first screw rod, the second screw rod and draws lift slab；Fixed mechanism includes center convolution bar, spiral plate, support plate and clamping part.The speed that gantry falls into ground in uphill process because unbalance can be effectively reduced in this programme, improve the safety of gantry maintenance process.
Description
Technical field
The invention belongs to flight-line maintenance technical fields, and in particular to a kind of overhead and gantry cranes maintenance tool.
Background technique
Bridge crane is crossbearer in the lifting equipment of workshop, warehouse and stock ground overhead progress material handling.Due to it
Both ends are located on tall and big concrete column or metallic support, and shape is like bridge.The gantry edge of bridge crane is laid on two sides height
Track on frame is longitudinally running, the space handling material below gantry can be made full use of, not by the obstruction of ground installation.It is
A kind of hoisting machinery that use scope is most wide, quantity is most.For the safe operation for ensureing bridge crane, it is often necessary to lifting
The gantry of machine is repaired, is maintained.And during repairing gantry, it is often necessary to which gantry is sent to eminence by lower.
The method of current some transfers is when carrying, to be hooked gantry middle portion using driving with the hook of driving, then made
Gantry rises.This bridge crane structure haves the defects that certain: during gantry rises, it is unbalance and tilt to be easy to appear gantry
The case where, and in case of if unbalance, gantry is easy to slide and then quickly pounded to ground from hook, gently then damage goods,
It is heavy then cause casualties, increase the security risk in gantry maintenance process.
Summary of the invention
The purpose of the present invention is to provide a kind of overhead and gantry cranes maintenance tools, and gantry can be effectively reduced in uphill process
The middle speed that ground is fallen into because unbalance improves the safety of gantry maintenance process.
To achieve the above object, the invention provides the following technical scheme: overhead and gantry cranes maintenance tool, including protection
Frame, transmission mechanism, Yin Sheng mechanism and fixed mechanism；Transmission mechanism includes motor, central gear, first gear and second gear,
The output shaft of motor is connect with central gear, and first gear and second gear are engaged on the two sides of central gear respectively；Draw a liter machine
Structure includes the first screw rod, the second screw rod and drawing lift slab, and the first screw rod is fixedly connected with first gear, the second screw rod and
Second gear is fixedly connected, the first screw rod, the second screw rod with draw lift slab and be threadedly coupled, and draw lift slab and fender bracket slides
Connection, fender bracket are equipped with the limiting section of sustainable gantry；Fixed mechanism includes center convolution bar, spiral plate, support plate and folder
Portion is held, center convolution bar is fixedly connected with central gear, and center convolution bar is threadedly coupled with spiral plate, spiral plate and fender bracket
It is slidably connected, and spiral plate is used to control the opening or closure of clamping part.
The beneficial effect of above-mentioned technical proposal is:
1, this programme is drawn lift slab and is moved up by the first screw rod, the drive of the second screw rod, and existing thus mobile gantry
Have in technology using hook by the way of compare, do not need not only find gantry medium position, but also uphill process central bridge with
The contact area for drawing lift slab is big, it is not easy to the problems such as unbalance occur, gantry can be effectively prevented and fall, improve maintenance process safety
Property.
2, this programme may be implemented to fall even if gantry, can also be delayed by the supporting role of limiting section by limiting section
The dropping process of gantry is rushed, to reduce the speed that gantry falls to ground, gantry is avoided to drop to ground speed because unexpected
It spends fastly, and bring safety accident, it can further improve maintenance process safety.
3, this programme may be implemented to be transported to one when gantry by center convolution bar, spiral plate, support plate and clamping part
Before determining height, clamping part is automatically opened, and facilitates gantry in uphill process automatically into clamping part, and when gantry enters folder
After holding in portion, it is only necessary to rotate backward motor, clamping part can be allowed to fix gantry, gantry can be further prevented upper
It is raised to certain altitude and falls equal fortuitous events later, maintenance process safety is good.
4, this programme can not only reduce the use of power device by central gear, first gear and second gear, and
And first gear is identical with the rotation direction of second gear, may be implemented to allow and draws lift slab and rise under the action of two screw rods,
It is more stable to draw lift slab uphill process, and central gear is allowed to connect with center convolution bar, and realizes the opening and closing process of clamping part simultaneously,
It is compact-sized, ingenious.
Preferred embodiment one, as the preferred embodiment of basic scheme, clamping part includes two and half clamping parts, and half clamping part includes
Oscillating rod and clamping limb, oscillating rod one end and spiral plate are hinged, and the oscillating rod other end and clamping limb are hinged, clamping limb and support plate
Hingedly.It can be realized by simple link mechanism and clamping part allowed to automatically turn on or close with sliding up and down for spiral plate
It closes.
Preferred embodiment two draws that lift slab includes central plate and two are symmetrically connected to as the preferred embodiment of basic scheme
The side board of the two sides of core, is equipped with sliding slot one and sliding slot two on two opposite side walls of fender bracket, side board
Both ends are slidably connected with the sliding slot one on two opposite side walls of fender bracket respectively, the both ends of another side board respectively with guarantor
Sliding slot two on two opposite side walls of retaining frame is slidably connected.In this way, central plate upward sliding process is more stable.
Preferred embodiment three, preferably two preferred embodiment, formed between central plate and two side boards two it is right
Claiming the limiting slot for being centrally located plate two sides, limiting section is pawl, and is equipped with pawl on two opposite side walls of fender bracket,
Pawl can run through limiting slot.For pawl during gantry is upward, will not influence gantry moves up process；And when gantry exists
During being transported up because accident from draw be detached from lift slab when, pawl at this time can play a supporting role to gantry, thus slow
Rush the speed that gantry falls into ground.
Preferred embodiment four, preferably three preferred embodiment, the first screw rod are threadedly coupled with a side board, the
Two screw rods are threadedly coupled with another side board.Two screw rods can also play position-limiting action to the two sides of gantry, effectively
Prevent gantry from sliding from side board, gantry operational process is more stable.
Detailed description of the invention
Fig. 1 is the cross-sectional view of overhead and gantry cranes maintenance tool embodiment of the present invention；
Fig. 2 is the structural schematic diagram of clamping part in Fig. 1；
Fig. 3 is the top view for drawing lift slab in Fig. 1；
Fig. 4 is the side view of fender bracket in Fig. 1.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description include: fender bracket 1, sliding slot 1, sliding slot 2 11, pawl 12, motor 2, in
Heart gear 20, the first screw rod 30, second gear 4, the second screw rod 40, draws lift slab 5, central plate 50, side at first gear 3
Plate 51, limiting slot 52, center convolution bar 6, spiral plate 60, support plate 61, oscillating rod 7, clamping limb 70, gantry 8.
Embodiment is substantially as shown in Fig. 1: overhead and gantry cranes maintenance tool, including fender bracket 1, transmission mechanism, draws liter
Mechanism and fixed mechanism.Fender bracket 1 is square.
As shown in Fig. 2, transmission mechanism includes motor 2, central gear 20, first gear 3 and second gear 4, motor 2 it is defeated
Shaft is connect with central gear 20, and first gear 3 and second gear 4 are engaged on the two sides of central gear 20 respectively.
Yin Sheng mechanism includes the first screw rod 30, the second screw rod 40 and draws lift slab 5, the first screw rod 30 and first gear
3 are fixedly connected, and the second screw rod 40 is fixedly connected with second gear 4, the first screw rod 30, the second screw rod 40 bottom end with
Draw the threaded connection of lift slab 5.Specific thread connecting mode are as follows: as shown in figure 3, drawing lift slab 5 includes that central plate 50 and two symmetrically connect
The side board 51 in the two sides of central plate 50 is connect, central plate 50 and two side boards 51 are integrally formed, and are in I-shaped, central plate
Two limiting slots 52 for being symmetrically distributed in 50 two sides of central plate, the first screw rod 30 and one are formed between 50 and two side boards 51
A side board 51 is threadedly coupled, and the second screw rod 40 is threadedly coupled with another side board 51.As shown in figure 4, the two of fender bracket 1
It is equipped with sliding slot 1 and sliding slot 2 11 on a opposite side wall, the both ends of a side board 51 two with fender bracket 1 respectively
Sliding slot 1 on opposite side wall is slidably connected, and the both ends of another side board 51 are opposite with two of fender bracket 1 respectively
Sliding slot 2 11 on side wall is slidably connected.And fender bracket 1 is equipped with the limiting section of sustainable gantry 8；Limit in the present embodiment
Portion is pawl 12, and pawl 12 is equipped on two opposite side walls of fender bracket 1, and pawl 12 can run through limiting slot 52.
Fixed mechanism includes center convolution bar 6, spiral plate 60, support plate 61 and clamping part, center convolution bar 6 and centre tooth
Wheel 20 is fixedly connected, and center convolution bar 6 is threadedly coupled with spiral plate 60, and spiral plate 60 is slidably connected with fender bracket 1, support plate
61 are located at 60 lower section of spiral plate, and support plate 61 and fender bracket 1 weld.Clamping part includes two and half clamping parts, half clamping part packet
Oscillating rod 7 and clamping limb 70 are included, 7 upper end of oscillating rod and spiral plate 60 are hinged, and 7 lower end of oscillating rod and clamping limb 70 are hinged, clamping
Arm 70 and support plate 61 are hinged.In this way, two oscillating rods 7 are swung out when 60 slide downward of spiral plate, two clamping limbs 70
It opens；When 60 upward sliding of spiral plate, two oscillating rods 7 are inwardly swung, and two clamping limbs 70 are closed.
The gantry 8 for needing to rise to eminence is placed across on the central plate 50 for drawing lift slab 5, motor 2 is then started.Electricity
Machine 2 drives central gear 20 to rotate, and first gear 3 and second gear 4 and then rotate.Central gear 20 rotates, and drives center spiral shell
Spinner handle 6 rotates, and slide downward, clamping limb 70 swing out and open at once spiral plate 60 immediately.First gear 3 and second gear
4 rotations drive the first screw rod 30 and the rotation of the second screw rod 40, draw the slow upward sliding of lift slab 5, gantry 8 is upward at this time
In the process, it only can allow pawl 12 that upward swing occurs, and eventually pass through limiting slot 52, i.e., pawl 12 will not influence gantry 8
Move up process.After gantry 8 enters between the clamping limb 70 opened, motor 2 is rotated backward, center convolution bar 6 is reversed
Rotation, the upward sliding immediately of spiral plate 60, clamping limb 70 inwardly swings immediately and is closed, to clamp gantry 8.As it can be seen that i.e.
It is detached from gantry 8 on lift slab 5 because of accident from drawing during being transported up, also has pawl 12 that can play to gantry 8 below
Supporting role, to buffer the speed that gantry 8 falls into ground.Still more, the gantry 8 in this programme, which is located in, draws on lift slab 5
, compared with the rising manner for using hook in the prior art, this programme central bridge 8 is not susceptible to unbalance etc. in uphill process
Situation.And gantry 8 is finally after rising to certain altitude, can also the portion of being clamped fix, gantry 8 can be further prevented to exist
It rises to certain altitude and falls equal fortuitous events later, maintenance process safety is good.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (5)
1. overhead and gantry cranes maintenance tool, it is characterised in that: including fender bracket, transmission mechanism, Yin Sheng mechanism and fixed mechanism；
The transmission mechanism includes motor, central gear, first gear and second gear, the output shaft of the motor and the centre tooth
Wheel connection, the first gear and second gear are engaged on the two sides of central gear respectively；The Yin Sheng mechanism includes the first spiral shell
Spinner handle, the second screw rod and draw lift slab, first screw rod is fixedly connected with the first gear, second screw rod with
The second gear is fixedly connected, and first screw rod, the second screw rod are threadedly coupled with the lift slab that draws, and draw lift slab
It is slidably connected with the fender bracket, the fender bracket is equipped with the limiting section of sustainable gantry；The fixed mechanism includes center
Screw rod, spiral plate, support plate and clamping part, the center convolution bar is fixedly connected with the central gear, and center convolution
Bar is threadedly coupled with spiral plate, and the spiral plate is slidably connected with fender bracket, and spiral plate be used for control clamping part opening or
Person's closure.
2. overhead and gantry cranes maintenance tool according to claim 1, it is characterised in that: the clamping part includes two and half
Clamping part, half clamping part include oscillating rod and clamping limb, and described oscillating rod one end and the spiral plate are hinged, and oscillating rod is another
One end is hinged with clamping limb, and the clamping limb and support plate are hinged.
3. overhead and gantry cranes maintenance tool according to claim 1, it is characterised in that: the lift slab that draws includes central plate
It is symmetrically connected to the side board of the two sides of central plate with two, is equipped with sliding slot one on two opposite side walls of the fender bracket
With sliding slot two, the both ends of a side board are slidably connected with the sliding slot one on two opposite side walls of fender bracket respectively, another
The both ends of a side board are slidably connected with the sliding slot two on two opposite side walls of fender bracket respectively.
4. overhead and gantry cranes maintenance tool according to claim 3, it is characterised in that: central plate and two side boards it
Between form two limiting slots for being symmetrically distributed in central plate two sides, the limiting section is pawl, and two of fender bracket opposite
The pawl is equipped on side wall, the pawl can run through the limiting slot.
5. overhead and gantry cranes maintenance tool according to claim 4, it is characterised in that: first screw rod and one
The side board is threadedly coupled, and second screw rod is threadedly coupled with side board described in another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711390614.5A CN108178094B (en) | 2017-12-21 | 2017-12-21 | Overhead and gantry cranes maintenance tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711390614.5A CN108178094B (en) | 2017-12-21 | 2017-12-21 | Overhead and gantry cranes maintenance tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108178094A CN108178094A (en) | 2018-06-19 |
| CN108178094B true CN108178094B (en) | 2019-04-09 |
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ID=62546671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711390614.5A Active CN108178094B (en) | 2017-12-21 | 2017-12-21 | Overhead and gantry cranes maintenance tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108178094B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113086885B (en) * | 2021-03-30 | 2023-08-08 | 安徽一丸生物科技有限公司 | Anti-falling self-locking car lifting jack |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052360A (en) * | 1989-11-29 | 1991-06-19 | 格尔杜恩·特·布朗 | Gantry robot construction and driving mechanism |
| CN201152013Y (en) * | 2007-12-18 | 2008-11-19 | 南通华荣建设集团有限公司 | Bridge type scaffold rope-breaking safety device |
| KR100895424B1 (en) * | 2008-07-10 | 2009-05-07 | 주식회사 두성정공 | Safety tongs of a weight thing |
| CN201574028U (en) * | 2009-12-08 | 2010-09-08 | 苏州工业园区姑苏科技有限公司 | Lifting device for material basket |
| CN202465103U (en) * | 2012-02-24 | 2012-10-03 | 胡相兰 | Bridge crane with rotary clamp |
| CN204675660U (en) * | 2015-06-12 | 2015-09-30 | 中信戴卡股份有限公司 | Wheel stacking Handling device |
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2017
- 2017-12-21 CN CN201711390614.5A patent/CN108178094B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108178094A (en) | 2018-06-19 |
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Effective date of registration: 20200825 Address after: Room c506a-19, University Business Park, No. 99, University Road, Xuzhou hi tech Industrial Development Zone, 221000, Jiangsu Province Patentee after: Xuzhou Tiancheng Intelligent Technology Co.,Ltd. Address before: No. 44 west station electrical market street 400039 flat Jiulongpo District of Chongqing Shi Yang Road No. B3-34 negative layer Patentee before: HENAN JUREN CRANE GROUP Co.,Ltd. CHONGQING HIGH AND NEW BRANCH |