CN104671085B - A kind of locking rail meter - Google Patents
A kind of locking rail meter Download PDFInfo
- Publication number
- CN104671085B CN104671085B CN201310610865.5A CN201310610865A CN104671085B CN 104671085 B CN104671085 B CN 104671085B CN 201310610865 A CN201310610865 A CN 201310610865A CN 104671085 B CN104671085 B CN 104671085B
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- CN
- China
- Prior art keywords
- handle
- chela
- locking
- base
- arm pivot
- Prior art date
- 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
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/16—Travelling gear incorporated in or fitted to trolleys or cranes with means for maintaining alignment between wheels and track
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of locking rail meter, comprising: a cross section is the base of inverted U, be used for being sheathed on track；One cambered plate, it is fixed on described base, and the cambered surface of described cambered plate is mated with wheel；Handle locking seat, it is fixed on described base, and described handle locking seat has a locking slot；One handle, its front end is provided with locking fixture block, and this locking fixture block is correspondingly arranged in described locking slot when handle is locked；One handle rotating shaft it is additionally provided with on handle；The afterbody of handle has a contact surface, and this contact surface is pressed around arm pivot post rotation at present at handle；Arm pivot post seat, it offers arm pivot post hole, and this arm pivot post can be along the Internal periphery linear slide in arm pivot post hole in arm pivot post hole；Handle extension spring, this handle extension spring is set to apply the power on base length direction to handle；At least one pair of chela, it is located at the both sides on described base width direction；Torsion spring, its correspondence is sheathed on chela.
Description
Technical field
The present invention relates to a kind of clamp rail device, particularly relate to a kind of clamp rail device for bridge crane.
Background technology
The most same bridge crane across Factory Building with more than two.Generally, at overhead traveling crane machine overhauling
Time need to use and the situation of rail meter in orbit is installed has two kinds.A kind of situation is: when wherein one
During bridge crane shut-down (breakdown) mainteance, in order to avoid the bridge crane overhauled produces misoperation, need
Rail meter is installed between wheel and track, prevents the movement of bridge crane；Another kind of situation is:
Rail meter is installed near the bridge crane overhauled, is so to stop adjacent operating bridge-type
Crane moves to the bridge crane direction overhauled and occurs mutually to collide, thus plays prevention rail
The effect that bridge crane on road slides.If taken no action to for above-mentioned two situations, just
The generation of severe safety accident can be caused.Therefore, rail meter is requisite when being overhead traveling crane machine overhauling
Safety device.Existing rail meter is one block of channel-section steel with wedge, as it is shown in figure 1, rail meter 10
Including the gusset 1 of two pieces, channel-section steel 2 and plain plate 3, the gusset 1 of two pieces of trianglees is welded on channel-section steel 2
On, the hypotenuse of two pieces of gussets 1 is welded with one block of plain plate 3.But, as in figure 2 it is shown,
Rail meter 10 can move de-on track 4 owing to not having a locking function after being directly installed on track 4
Fall, especially in track maintenance process, maintainer be easy to when track construction knock rail meter over and
Falling, it addition, rail meter is when preventing bridge crane from moving, its wheel 5 is just stuck on plain plate 3,
The plain plate 3 of rail meter is little with the wheel body contact area of arc surface, and rail meter 10 easily skids and deforms.
Additionally, due to the track of bridge crane is all in high-altitude, therefore, the rail meter fallen from track holds
Easily cause the personal injury of surface personnel.
Additionally, the rail meter of existing use also has uses hydraulic pressure or electric power device, but people are also
It is desirable to be obtained in that a kind of rail meter, the defect of above-mentioned rail meter can be overcome, again can be the most extra
Power situation realizes simple and convenient manual operation.
Summary of the invention
It is an object of the invention to provide a kind of locking rail meter, it has a function of locking track, and with
It is difficult to during bridge crane wheel contact skid and deformation, it is possible to be manually operated the peace realizing self
Assembly and disassembly.
To achieve these goals, the present invention proposes a kind of locking rail meter, comprising:
One cross section is the base of inverted U, is used for being sheathed on track；
One cambered plate, it is fixed on described base, and the cambered surface of described cambered plate is mated with wheel；
Handle locking seat, it is fixed on described base, and described handle locking seat has a locking slot；
One handle, its front end is provided with locking fixture block, and this locking fixture block is corresponding when handle is locked
Being located in described locking slot, described locking slot limits handle action in the height direction；On described handle also
Being provided with one handle rotating shaft, the axial direction of this arm pivot post is basically identical with the width of base, described
Handle can rotate around this arm pivot post；The afterbody of described handle has a contact surface, and this contact surface is at hands
Handle rotates around arm pivot post and presses at present；
Arm pivot post seat, it offers arm pivot post hole, and this arm pivot post hole includes through first
Dividing and Part II, wherein Part I has a length on the length direction of base, and Part II exists
Having a length in the short transverse of base, described arm pivot post can turn along handle in arm pivot post hole
The Internal periphery linear slide of axis hole；
Handle extension spring, its one end is fixing with handle to be connected, and its other end is fixing with base to be connected, described hands
Handle extension spring is set to apply the power on base length direction to handle；
At least one pair of chela, it is located at the both sides on described base width direction, and described each chela can be distinguished
Around corresponding chela axis of rotation, the upper end of described chela is set to contact with the described of handle afterbody
Face contacts and is touched face pressure, so that chela realizes opening of chela around chela axis of rotation；
Torsion spring, its correspondence is sheathed on chela, and one end of described torsion spring is supported and is located on chela, and the other end supports
It is located on base, to apply the restoring force of Guan Bi to chela.
When bridge crane track is installed above-mentioned locking clamp rail device, first the base sheath of inverted U is located at
On track, then band fixed handle draws backward and upwards turns over certain angle, and now arm pivot post turns at handle
Rotate in the Part II of axis hole, along with handle rotates around arm pivot post, due to the contact of handle afterbody
Face contacts with chela upper end so that each chela is respectively around corresponding chela axis of rotation, chela lower end
Moving down, torsion spring applies the restoring force of a Guan Bi to chela so that chela lower end Guan Bi and track
Contacting, last handle moves towards locking slot direction, and now arm pivot post is the first of arm pivot post hole
Move in part, the locking fixture block of handle front end is placed in locking slot, to limit handle in short transverse
Upper action, in this state, handle extension spring applies the power on base length direction to handle,
So handle would not be opened easily, it is ensured that locking rail meter lock onto on track, thus prevents it
Move and get loose and accidentally drop from overhead rail.
When unloading above-mentioned locking rail meter from bridge crane, all of step is all step installed above
Reverse action, first handle is carried locking slot direction removal, the locking fixture block of handle front end is departed from
In locking slot, then band fixed handle upwards turns over certain angle, along with handle rotates around arm pivot post,
Owing to the contact surface of handle afterbody contacts with chela upper end, pressing tongs pawl upper end under the contact surface of handle afterbody,
Making each chela respectively around corresponding chela axis of rotation, chela lower end moves up, and chela lower end is beaten
Open and be separated with track, finally the base of inverted U being unloaded from track.
It addition, the cambered surface of the above-mentioned cambered plate being fixedly arranged on base matches with wheel, add rail meter
With the contact area of wheel, effectively prevent rail meter in working order under skidding and deformation.
Additionally, those skilled in the art can arrange some to chela, to increase the coupling mechanism force of rail meter.
It should be noted that the locking power of above-mentioned locking rail meter comes from fixes the hands being connected with base
Handle extension spring.
Further, in locking rail meter of the present invention, it is connected between described cambered plate and base
Have the gusset of setting, with strengthen cambered plate and base by force intensity.
Further, in locking rail meter of the present invention, described contact surface is cambered surface.Arc surfaced
It is the most smooth and easy during lower pressing tongs pawl upper end that contact surface enables to handle afterbody, will not produce card
Stagnant, also handle or chela will not be caused abrasion.
Further, in order to enable more firmly to lock onto on track, locking rail meter of the present invention
In described chela be set to two right, two pairs of chelas are arranged before and after the length direction of base, two pairs of chelas
It is set to around chela rotating shaft synchronous axial system.
Under a kind of embodiment, the upper end of the chela in locking rail meter of the present invention has stretches out
Socket cap, with contact with contact surface and be touched face pressure.
Under another embodiment, the chela in locking rail meter of the present invention is provided with and chela
Threaded spring button, one end of described torsion spring is supported and is located on this spring button.
In order to pin track firmly, the nipper end of the chela in locking rail meter of the present invention
Having cambered surface, this cambered surface is for mating with the waist cambered surface of track.
Under other a kind of embodiments, the chela rotating shaft in locking rail meter of the present invention is by solid
Surely the chela shaft seat being located on base is arranged.
Locking rail meter of the present invention is compared with existing rail meter, and it has self-locking function,
The track locking in crane can be clamped firmly, cause high-altitude to fall with preventing rail meter owing to being moved out
Fall, thus both ensured rail meter clamp rail quality in maintenance process, ensured again the person peace of ground staff
Entirely.
Locking rail meter of the present invention is compared with existing rail meter, owing to have employed and wheel phase
The cambered plate joined, its contact area with crane wheel increases, it is to avoid rail meter skids and deformation,
Thus ensure that dimension stablizing of work of inspection is carried out.
Compared to existing rail meter, locking rail meter of the present invention is without using any installation tool
Can be realized as simple and convenient installing/dismounting, drive power-equipment just can reach rail meter without extra
It lock onto the purpose of track.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of rail meter.
Fig. 2 is the schematic diagram in use of the rail meter shown in Fig. 1.
Fig. 3 is the locking rail meter of the present invention assembling schematic diagram under a kind of embodiment.
Fig. 4 is the structural representation of the base in the locking rail meter shown in Fig. 3.
Fig. 5 is the structural representation of the handle in the locking rail meter shown in Fig. 3.
Fig. 6 is locking rail meter of the present invention structural representation in the locked condition.
Fig. 7 is the cross section view of the locking rail meter shown in Fig. 6.
Fig. 8 is that locking rail meter of the present invention departs from the structure under locking slot state at locking fixture block
Schematic diagram.
Fig. 9 is the cross section view of the locking rail meter shown in Fig. 8.
Figure 10 is locking rail meter of the present invention structural representation in the on-state.
Figure 11 is the cross section view of the locking rail meter shown in Figure 10.
Figure 12 is the stereochemical structure that locking rail meter of the present invention in use lock onto track
Schematic diagram.
Figure 13 is the right view of the locking rail meter shown in Figure 12.
Figure 14 is the stereochemical structure that locking rail meter of the present invention is in use open in track
Schematic diagram.
Figure 15 is the right view of the locking rail meter shown in Figure 14.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, locking rail meter of the present invention is made
Further explanation and explanation, but this explanation and explanation are not intended that not for technical scheme
Work as restriction.
Fig. 3 shows the locking rail meter of the present invention assembling structure under a kind of embodiment, figure
4 and Fig. 5 then respectively illustrate the base in locking rail meter and the structure of handle.
As shown in Fig. 3, Fig. 4 and Fig. 5, this locking rail meter 20 includes: cross section is the end of inverted U
Seat 21, it can be sheathed on track；Cambered plate 22, it is fixed on base 21, cambered plate
Cambered surface can match with wheel and contact；Handle locking seat 23, it is fixed on base 21, handle
Locking bed 23 has a locking slot 231；Handle 24, its front end is provided with locking fixture block 241, this locking
Fixture block 241 is correspondingly arranged in locking slot 231 when handle 24 is locked, and locking slot 231 can
Limit handle 24 moving up in the height direction；An arm pivot post 242 it is additionally provided with on handle 24,
The axial direction of this arm pivot post 242 is basically identical with the width of base 21, and handle 24 can be around
Arm pivot post 242 to rotate；Afterbody at handle 24 has a contact surface 243, and this contact surface 243 exists
Handle rotates around arm pivot post and presses at present；Arm pivot post seat 25, it offers arm pivot post hole 251,
This arm pivot post hole 251 includes through Part I 252 and Part II 253, wherein Part I
252 have a length on the length direction of base 21, and Part II 253 is in the height side of base 21
Upwards having a length, arm pivot post 242 can be along the Internal periphery in arm pivot post hole in arm pivot post hole
Linear slide；Handle extension spring 26, its one end is fixing with handle 24 to be connected, and its other end is solid with base 21
Fixed connection, it is set to apply the power on base length direction to handle 24；Two pairs of chelas 27,
27 ' its along the both sides being arranged on the width of base before and after the length direction of base, each chela
Can carry out synchronous axial system respectively around corresponding chela rotating shaft 28, the upper end of chela 27 ' is set to can
Contact and be touched face pressure with the contact surface 243 of handle afterbody, so that chela 27,27 ' is around pincers
Pawl rotating shaft 28 rotates and realizes opening of chela；Spring button 29, it is located on chela 27 ', and with pincers
Pawl screw thread 271 is connected；Torsion spring 30, its correspondence is sheathed on chela 27 ', and one end of torsion spring 30 is supported
Being located on spring button 29, the other end supports and is located on base 21, to apply the restoring force of Guan Bi to chela.
As it is shown on figure 3, the nipper end 273,273 ' of chela 27,27 ' has cambered surface, this cambered surface is used for
Mate with the cambered surface of track, be so conducive to rail meter more to securely lock on track.
As shown in Figure 3 and Figure 4, in order to improve the bulk strength of locking rail meter, at cambered plate 22 and the end
Connecting between seat 21 and have two pieces of gussets 31 being similar to triangle erect, chela is then passed through in chela rotating shaft
Shaft seat 32 is located on base regularly.
As shown in Figure 3 and Figure 5, the contact surface 243 of the afterbody of handle 24 is set to cambered surface, chela
The upper end of 27 ' is provided with the socket cap 272 stretched out, and contacts with the contact surface 243 of cabochon, and energy
Enough being touched face pressure, the contact of cambered surface can be easy to the rotation of handle, both will not produce by such cambered surface
Clamping stagnation, also will not cause abrasion to handle or chela.
Fig. 6 to Figure 11 show the locking rail meter of the present invention structure under different conditions (i.e. from
It is locked to the process opened).
As shown in Figure 6 and Figure 7, this locking rail meter 20 is in locking state, the locking clamp of handle 24
Block 241 is positioned at the locking slot 231 of handle locking seat 23, in order to limit handle 24 in the height direction
Action, now, on the length direction of the Part I that arm pivot post 28 is in arm pivot post hole 251
Front end, chela 27,27 ' then lock onto (track shows the most in figure 6 and figure 7) on the track of crane.
As shown in Figure 6, between the left and right chela in above-mentioned chela 27, the spacing of d is equal to the width of handle 24
Degree.
As shown in Figure 8 and Figure 9, the locking rail meter 20 locking onto on track is opened when unloading by needs,
Being moved to A direction by handle 24, the locking fixture block 241 of handle 24 departs from handle locking seat 23
Outside locking slot 231, now, arm pivot post 28 is in the length side of Part I in arm pivot post hole 251
Rear end upwards, chela 27,27 ' be buckled in the most loosely on the track of crane (track not at Fig. 6 and
Fig. 7 shows).
As shown in Figure 10 and Figure 11, handle 24 is upwards turned over certain angle, hands around arm pivot post
The contact surface 243 of handle tail rotates around arm pivot post 28 at handle and presses at present, due to itself and chela 27 '
The socket cap 272 that stretches out of upper end contact, along with the rotation process of handle 24, chela 27,27 '
Opening of chela is realized around chela axis of rotation.
As shown in figure 11, handle 24 is 65 ° around the angle that arm pivot post upwards turns over.
Figure 12 to Figure 15 locking of the present invention rail meter is in use respectively at locking and beats
Structure under open state.
As shown in Figure 12 and Figure 13, when installing locking rail meter, first by sheathed for the base 21 of inverted U
On track 4, then band fixed handle 24 turns over downwards certain angle, along with handle turns around arm pivot post
Dynamic, owing to the contact surface 243 of handle afterbody contacts with the socket cap 272 of chela upper end so that respectively clamp
Pawl 27,27 ' respectively around corresponding chela axis of rotation, and chela lower end moves down, and torsion spring 30 is to chela
27, the 27 ' restoring forces applying a Guan Bi so that chela lower end Guan Bi also contacts, finally with track 4
Handle 24 moves towards locking slot direction, is placed in locking slot by the locking fixture block of handle front end, to limit
Handle 24 is rotated up, and in the locked condition, handle extension spring applies one in base length direction to handle
On power, such handle would not be opened easily, it is ensured that locking rail meter lock onto on track, from
And prevent it from moving and get loose and accidentally drop from overhead rail.
As shown in Figure 14 and Figure 15, when unloading locking rail meter, first handle 24 is carried locking slot 231
Direction removes, and is departed from locking slot 231 by the locking fixture block 241 of handle 24 front end, and then band is started
Handle 24 upwards turns over certain angle, along with handle 24 rotates around arm pivot post, due to handle afterbody
Contact surface 243 contact with the socket cap 272 of chela upper end, the contact surface of handle afterbody is pressed for 243 times
The socket cap 272 of chela upper end so that each chela 27,27 ' respectively around corresponding chela axis of rotation,
Chela lower end is rotated up, and chela lower end is opened and is separated with track 4, finally can be by inverted U
Base 21 unloads from track 4.This unload process be the most all the reverse dynamic of step installed above
Make.
It should be noted that the cambered plate of locking rail meter of the present invention and gusset etc. all can be adopted
Being connected with the base of inverted U by welding procedure, handle locking seat and arm pivot post seat etc. then can be adopted
Use plug welding.The track model used due to bridge crane is different, for the track of different model,
The base of the inverted U in the locking rail meter of the present invention can be made according to practical condition with chela size
Go out to do the corresponding adjustment increased or reduce.
In use, the locking rail meter installation of the present invention can be lock onto crane wheel and rail
Between road, to avoid improper movement or the slip of crane；Can also be at the bridge crane overhauled
This locking rail meter of neighbouring installation, to keep the effective and safe distance between crane, both of which
Advantageously ensure the personal safety of maintainer.
Locking rail meter simple in construction of the present invention, easily manufacture, low cost and installing/dismounting are convenient,
It has auto-lock function, even if under general shock, also not havinging and come off in the situation of track, it is possible to
It is effectively prevented the caused security incident of falling of rail meter.Additionally, this locking rail meter also avoid
Rail meter skids and deformation, just can lock onto on track in the case of without extra power.
It should be noted that the listed above specific embodiment being only the present invention, it is clear that the invention is not restricted to
Above example, has the similar change of many therewith.If those skilled in the art is public from the present invention
All deformation that the content opened directly derives or associates, all should belong to protection scope of the present invention.
Claims (8)
1. a locking rail meter, it is characterised in that including:
One cross section is the base of inverted U, is used for being sheathed on track；
One cambered plate, it is fixed on described base, and the cambered surface of described cambered plate is mated with wheel；
Handle locking seat, it is fixed on described base, and described handle locking seat has a locking slot；
One handle, its front end is provided with locking fixture block, and this locking fixture block is right when handle is locked
Should be located in described locking slot, described locking slot limits handle action in the height direction；Described handle
On be additionally provided with one handle rotating shaft, the axial direction of this arm pivot post is consistent with the width of base, institute
State handle to rotate around this arm pivot post；The afterbody of described handle has a contact surface, this contact
Face is pressed around arm pivot post rotation at present at handle；
Arm pivot post seat, it offers arm pivot post hole, and this arm pivot post hole includes through first
Part and Part II, wherein Part I has a length on the length direction of base, second
Point there is in the short transverse of base a length, described arm pivot post can in arm pivot post hole along
The Internal periphery linear slide in arm pivot post hole；
Handle extension spring, its one end is fixing with handle to be connected, and its other end is fixing with base to be connected, described
Handle extension spring is set to apply the power on base length direction to handle；
At least one pair of chela, it is located at the both sides on described base width direction, and each described chela can divide
Not around corresponding chela axis of rotation, the upper end of described chela be set to can with described in handle afterbody
Contact surface contacts and is touched face pressure, so that chela realizes beating of chela around chela axis of rotation
Open；
Torsion spring, its correspondence is sheathed on chela, and one end of described torsion spring is supported and is located on chela, the other end
Support and be located on base, to apply the restoring force of Guan Bi to chela.
Lock rail meter the most as claimed in claim 1, it is characterised in that connect between described cambered plate and base
It is connected to the gusset erect.
Lock rail meter the most as claimed in claim 1, it is characterised in that described contact surface is cambered surface.
Lock rail meter the most as claimed in claim 1, it is characterised in that it is two right that described chela is set to, two
Arranging chela before and after the length direction of base, two pairs of chelas are set to synchronize to turn around chela rotating shaft
Dynamic.
Lock rail meter the most as claimed in claim 1, it is characterised in that the upper end of described chela has stretches out
Socket cap, with contact with contact surface and be touched face pressure.
Lock rail meter the most as claimed in claim 1, it is characterised in that described chela is provided with and chela spiral shell
The spring button that stricture of vagina connects, one end of described torsion spring is supported and is located on this spring button.
Lock rail meter the most as claimed in claim 1, it is characterised in that the nipper end of described chela has arc
Face, this cambered surface is for mating with the cambered surface of track.
Lock rail meter the most as claimed in claim 1, it is characterised in that described chela rotating shaft is set by fixing
Chela shaft seat on base is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310610865.5A CN104671085B (en) | 2013-11-26 | 2013-11-26 | A kind of locking rail meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310610865.5A CN104671085B (en) | 2013-11-26 | 2013-11-26 | A kind of locking rail meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104671085A CN104671085A (en) | 2015-06-03 |
| CN104671085B true CN104671085B (en) | 2017-01-04 |
Family
ID=53306759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310610865.5A Active CN104671085B (en) | 2013-11-26 | 2013-11-26 | A kind of locking rail meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104671085B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235294A (en) * | 2018-11-14 | 2019-01-18 | 贵州中昇东浩科技有限公司 | A kind of culvert construction device |
| CN111908335B (en) * | 2020-07-23 | 2021-03-09 | 东南大学 | Braking buffer device for crane rail end |
| US20220024729A1 (en) * | 2021-07-06 | 2022-01-27 | Southeast University | Foldable rail-mounted crane stop device |
| CN114132867B (en) * | 2021-12-16 | 2023-06-30 | 新疆德勤互力工业技术有限公司 | Wheel clamp is covered in bridge crane overhauls wheel anti-roll special use |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2537464B2 (en) * | 1993-07-23 | 1996-09-25 | 株式会社永瀬工場 | Sliding rail clamp |
| CN202226544U (en) * | 2011-08-26 | 2012-05-23 | 东南大学 | End-part stop catch device for rail-mounted crane |
| CN202575729U (en) * | 2012-05-15 | 2012-12-05 | 湖州洋西起重设备有限公司 | Rail clamping device and jaw iron for the same |
| CN202829330U (en) * | 2012-10-24 | 2013-03-27 | 江苏省特种设备安全监督检验研究院 | Anti-skidding self-locking rail clamping device for rail gantry crane |
| CN203143944U (en) * | 2013-04-01 | 2013-08-21 | 中联重科股份有限公司 | Rail clamping device and tower crane comprising same |
-
2013
- 2013-11-26 CN CN201310610865.5A patent/CN104671085B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2537464B2 (en) * | 1993-07-23 | 1996-09-25 | 株式会社永瀬工場 | Sliding rail clamp |
| CN202226544U (en) * | 2011-08-26 | 2012-05-23 | 东南大学 | End-part stop catch device for rail-mounted crane |
| CN202575729U (en) * | 2012-05-15 | 2012-12-05 | 湖州洋西起重设备有限公司 | Rail clamping device and jaw iron for the same |
| CN202829330U (en) * | 2012-10-24 | 2013-03-27 | 江苏省特种设备安全监督检验研究院 | Anti-skidding self-locking rail clamping device for rail gantry crane |
| CN203143944U (en) * | 2013-04-01 | 2013-08-21 | 中联重科股份有限公司 | Rail clamping device and tower crane comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104671085A (en) | 2015-06-03 |
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