CN104671085A - Locking clamping track instrument - Google Patents
Locking clamping track instrument Download PDFInfo
- Publication number
- CN104671085A CN104671085A CN201310610865.5A CN201310610865A CN104671085A CN 104671085 A CN104671085 A CN 104671085A CN 201310610865 A CN201310610865 A CN 201310610865A CN 104671085 A CN104671085 A CN 104671085A
- Authority
- CN
- China
- Prior art keywords
- handle
- chela
- base
- locking
- rail meter
- 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.)
- Granted
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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 locking clamping track instrument, which comprises a base with an inverted U-shaped cross section, an arc-shaped panel, a handle locking seat, a handle, a handle rotating shaft, a contact surface, a handle rotating shaft seat, a handle tension spring, at least one pair of gripper arms and torsional springs, wherein the base is used for sleeving a rail; the arc-shaped panel is fixedly arranged on the base; the cambered surface of the arc-shaped panel is matched with a wheel; the handle locking seat is fixedly arranged on the base; the handle locking seat is provided with a locking slot; the front end of the handle is provided with locking clamping blocks; the locking clamping blocks are correspondingly arranged in the locking slot under the state that the handle is locked; the handle is also provided with the handle rotating shaft; the tail of the handle is provided with the contact surface; the contact surface downwards presses when the handle rotates around the handle rotating shaft; the handle rotating shaft seat is provided with handle rotating shaft holes; the handle rotating shaft can linearly slide in the handle rotating shaft holes along the inner outlines of the handle rotating shaft holes; the handle tension spring is used for applying a force in the length direction of the base to the handle; the at least one pair of gripper arms is arranged on two sides of the width direction of the base; the torsional springs correspondingly sleeve the gripper arms.
Description
Technical field
The present invention relates to a kind of card rail device, particularly relate to a kind of card rail device for crane in bridge type.
Background technology
The generally same crane in bridge type across factory building with more than two.Usually, the situation using installation rail meter is in orbit needed to have two kinds when overhead traveling crane machine overhauling.A kind of situation is: when a wherein crane in bridge type shut-down (breakdown) mainteance, in order to avoid the crane in bridge type overhauled produces misoperation, need to install rail meter between wheel and track, prevent the movement of crane in bridge type; Another kind of situation is: near the crane in bridge type overhauled, install rail meter, be, in order to stop adjacent operating crane in bridge type to move to the crane in bridge type direction of overhauling, mutual collision occurs like this, thus play the effect stoping the crane in bridge type on track to slide.If do not taken measures for above-mentioned two situations, the generation of severe safety accident will be caused.Therefore, requisite safety device when rail meter is overhead traveling crane machine overhauling.Existing rail meter is one block of channel-section steel with wedge, and as shown in Figure 1, rail meter 10 comprises the gusset 1 of two pieces, and channel-section steel 2 and plain plate 3, two pieces of leg-of-mutton gussets 1 are welded on channel-section steel 2, the hypotenuse of two pieces of gussets 1 are welded with one block of plain plate 3.But, as shown in Figure 2, rail meter 10 is directly installed on to move on track 4 owing to not having locking function after on track 4 and comes off, especially, in track maintenance process, service personnel is easy to be knocked over by rail meter when track construction and fall, in addition, rail meter is when preventing crane in bridge type from moving, its wheel 5 is just stuck on plain plate 3, and the plain plate 3 of rail meter is little with the wheel body area of contact of arc surface, and rail meter 10 easily skids and distortion.In addition, the track due to crane in bridge type is all in high-altitude, and therefore, the rail meter fallen from track easily causes the personal injury of surface personnel.
In addition, the rail meter of existing use also has and adopts hydraulic pressure or electric power device, but people still wish to obtain a kind of rail meter, can overcome the defect of above-mentioned rail meter, can realize simple and convenient M/C again not having extra power situation.
Summary of the invention
The object of the present invention is to provide a kind of locking rail meter, it has the function of locking track, and not easily skids when contacting with bridge crane wheel and be out of shape, and can manually operate the Assembly &Disassembly realizing self.
To achieve these goals, the present invention proposes a kind of locking rail meter, it comprises:
One cross-sectional plane is the base of inverted U, 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 correspondence under the state that handle is locked is located in described locking slot, the action in the height direction of described locking slot restriction handle; Described handle is also provided with one handle rotating shaft, the axial direction of this arm pivot post and the Width of base basically identical, described handle can rotate around this arm pivot post; The afterbody of described handle has a contact surface, and this contact surface presses down when handle rotates around arm pivot post;
Arm pivot post seat, it offers arm pivot post hole, this arm pivot post hole comprises through Part I and Part II, wherein Part I has a length on the length direction of base, Part II has a length in the short transverse of base, and described arm pivot post can along the Internal periphery linear slide in arm pivot post hole in arm pivot post hole;
Handle extension spring, its one end is fixedly connected with handle, and its other end is fixedly connected with base, and described handle extension spring is set to apply a power on base length direction to handle;
At least one pair of chela, it is located at the both sides on described base Width, described each chela can respectively around the chela axis of rotation of correspondence, the upper end of described chela is set to contact with the described contact surface of handle afterbody and the face that is touched is depressed, and realizes opening of chela to make chela around chela axis of rotation;
Torsion spring, its correspondence is sheathed on chela, one end of described torsion spring to being located on chela, the other end to being located on base, to apply closed restoring force to chela.
When bridge crane track is installed above-mentioned locking clamp rail device, first the base sheath of inverted U is located on track, then fixed handle is with to draw backward and upwards turn over certain angle, now arm pivot post rotates in the Part II in arm pivot post hole, along with handle rotates around arm pivot post, because the contact surface of handle afterbody contacts with chela upper end, make each chela respectively around the chela axis of rotation of correspondence, chela lower end moves down, torsion spring applies a closed restoring force to chela, make chela lower end closed and contact with track, last handle moves towards locking slot direction, now arm pivot post moves in the Part I in arm pivot post hole, the locking fixture block of handle front end is placed in locking slot, to limit handle action in the height direction, in this state, handle extension spring applies the power on base length direction to handle, such handle would not be opened easily, ensure that locking rail meter lock onto on track, thus prevent from it from moving getting loose and accidentally drop from overhead rail.
When unloading above-mentioned locking rail meter from crane in bridge type, all steps are all the reverse actions of above installation steps, first handle is carried locking slot direction to shift out, the locking fixture block of handle front end is departed from locking slot, then fixed handle is with upwards to turn over certain angle, along with handle rotates around arm pivot post, because the contact surface of handle afterbody contacts with chela upper end, the contact surface of handle afterbody presses down chela upper end, make each chela respectively around the chela axis of rotation of correspondence, chela lower end moves up, chela lower end is opened and is separated with track, finally the base of inverted U is unloaded from track.
In addition, cambered surface and the wheel of the above-mentioned cambered plate be fixedly arranged on base match, and add the area of contact of rail meter and wheel, effectively prevent rail meter in working order under skidding and distortion.
In addition, 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 the handle extension spring be fixedly connected with base.
Further, in locking rail meter of the present invention, between described cambered plate and base, be connected with 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.The contact surface of arc surfaced can make handle afterbody press down in the process of chela upper end smooth and easy more flexibly, can not produce clamping stagnation, also can not cause wearing and tearing to handle or chela.
Further, in order to lock onto on track more firmly, it is two right that the described chela in locking rail meter of the present invention is set to, and two pairs of chelas are arranged before and after the length direction of base, and two pairs of chelas are 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 the socket cap stretched out, to contact with contact surface and the face that is touched is depressed.
Under another kind of embodiment, the chela in locking rail meter of the present invention is provided with the spring button be threaded with chela, and one end of described torsion spring is to being 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 has cambered surface, and this cambered surface is used 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 arranged by the chela shaft seat be fixed on base.
Locking rail meter of the present invention is compared with existing rail meter, it has self-locking function, the track locking in hoisting crane can be clamped firmly, falling from high altitude is caused due to mobile the disengaging with preventing rail meter, thus both ensured rail meter card rail quality in maintenance process, ensure again the personal safety of ground staff.
Locking rail meter of the present invention is compared with existing rail meter, and owing to have employed the cambered plate matched with wheel, the area of contact of itself and crane wheel increases, and avoids rail meter and skids and distortion, thus ensure that stable the carrying out of dimension inspection work.
Compared to existing rail meter, locking rail meter of the present invention just can realize simple and convenient installing/dismounting without the need to adopting any mounting tools, also without the need to additionally driving power plant just can reach the object that rail meter lock onto 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 assembling schematic diagram of locking rail meter of the present invention 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 structural representation under locking slot state at locking fixture block.
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 perspective view that locking rail meter of the present invention in use lock onto track.
Figure 13 is the right elevation of the locking rail meter shown in Figure 12.
Figure 14 is the perspective view that locking rail meter of the present invention is in use open in track.
Figure 15 is the right elevation of the locking rail meter shown in Figure 14.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, further explanation and explanation are made to locking rail meter of the present invention, but this explanation and explanation do not form improper restriction for technical scheme of the present invention.
Fig. 3 shows the mounting structure of locking rail meter of the present invention under a kind of embodiment, Fig. 4 and Fig. 5 then respectively illustrates 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 comprises: cross-sectional plane is the base 21 of inverted U, and it can be sheathed on track; Cambered plate 22, it is fixed on base 21, and the cambered surface of cambered plate can match with wheel and contact; Handle locking seat 23, it is fixed on base 21, and handle locking seat 23 has a locking slot 231; Handle 24, its front end is provided with locking fixture block 241, and this locking fixture block 241 correspondence under the state that handle 24 is locked is located in locking slot 231, and locking slot 231 can limit handle 24 moving up in the height direction; Handle 24 is also provided with an arm pivot post 242, the axial direction of this arm pivot post 242 and the Width of base 21 basically identical, handle 24 can rotate around arm pivot post 242; Have a contact surface 243 at the afterbody of handle 24, this contact surface 243 presses down when handle rotates around arm pivot post; Arm pivot post seat 25, it offers arm pivot post hole 251, this arm pivot post hole 251 comprises through Part I 252 and Part II 253, wherein Part I 252 has a length on the length direction of base 21, Part II 253 has a length in the short transverse of base 21, and arm pivot post 242 can along the Internal periphery linear slide in arm pivot post hole in arm pivot post hole; Handle extension spring 26, its one end is fixedly connected with handle 24, and its other end is fixedly connected with base 21, and it is set to apply a power on base length direction to handle 24; Two pairs of chelas 27,27 ' its before and after the length direction of base, be arranged at both sides on the Width of base, each chela can carry out synchronous axial system around the chela rotating shaft 28 of correspondence respectively, the upper end of chela 27 ' is set to contact with the contact surface 243 of handle afterbody and the face that is touched is depressed, to make chela 27,27 ' rotates around chela rotating shaft 28 and realizes opening of chela; Spring button 29, it is located on chela 27 ', and is connected with chela screw thread 271; Torsion spring 30, its correspondence is sheathed on chela 27 ', one end of torsion spring 30 to being located on spring button 29, the other end to being located on base 21, to apply closed restoring force to chela.
As shown in Figure 3, chela 27, the nipper end 273,273 ' of 27 ' has cambered surface, and this cambered surface is used for mating with the cambered surface of track, is conducive to rail meter like this and is locked in more securely on track.
As shown in Figure 3 and Figure 4, in order to improve locking rail meter bulk strength, be connected with between cambered plate 22 and base 21 two pieces erect be similar to leg-of-mutton gusset 31, chela rotating shaft is then located on base regularly by chela shaft seat 32.
As shown in Figure 3 and Figure 5, the contact surface 243 of the afterbody of handle 24 is set to cambered surface, the upper end of chela 27 ' is provided with the socket cap 272 stretched out, contact with the contact surface 243 of cabochon, and face pressure can be touched, such cambered surface can be convenient to the rotation of handle to the contact of cambered surface, both can not produce clamping stagnation, also can not cause wearing and tearing to handle or chela.
Fig. 6 to Figure 11 shows the structure of locking rail meter of the present invention under different conditions (namely from being locked to the process opened).
As shown in Figure 6 and Figure 7, this locking rail meter 20 is in locking state, the locking fixture block 241 of handle 24 is positioned at the locking slot 231 of handle locking seat 23, in order to limit handle 24 action in the height direction, now, arm pivot post 28 is in the front end on the length direction of the Part I in arm pivot post hole 251, chela 27, and 27 ' then lock onto (track does not show in figure 6 and figure 7) on the track of hoisting crane.
As shown in Figure 6, between the left and right chela in above-mentioned chela 27, the spacing of d equals the width of handle 24.
As shown in Figure 8 and Figure 9, when the locking rail meter 20 lock onto on track is opened and is unloaded by needs, handle 24 is moved to A direction, the locking fixture block 241 of handle 24 departs from outside the locking slot 231 of handle locking seat 23, now, arm pivot post 28 is in the rear end on the length direction of the Part I in arm pivot post hole 251, chela 27, and 27 ' is then buckled on the track of hoisting crane (track does not show in figure 6 and figure 7) loosely.
As shown in Figure 10 and Figure 11, handle 24 is upwards turned over certain angle around arm pivot post, the contact surface 243 of handle afterbody presses down when handle rotates around arm pivot post 28, the socket cap 272 stretched out due to itself and the upper end of chela 27 ' contacts, along with the rotation process of handle 24, chela 27,27 ' realizes opening of chela 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 rail meter of the present invention is in use in locking and the structure under open mode respectively.
As shown in Figure 12 and Figure 13, when locking rail meter is installed, first the base 21 of inverted U is sheathed on track 4, then fixed handle 24 is with to turn over certain angle downwards, along with handle rotates around arm pivot post, because the contact surface 243 of handle afterbody contacts with the socket cap 272 of chela upper end, make each chela 27, 27 ' respectively around the chela axis of rotation of correspondence, chela lower end moves down, torsion spring 30 is to chela 27, the restoring force that 27 ' applying one is closed, make chela lower end closed and contact with track 4, last handle 24 moves towards locking slot direction, the locking fixture block of handle front end is placed in locking slot, upwards rotate to limit handle 24, in the locked condition, handle extension spring applies the power on base length direction to handle, such handle would not be opened easily, ensure that locking rail meter lock onto on track, thus prevent from it from moving getting 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 to shift out, the locking fixture block 241 of handle 24 front end is departed from locking slot 231, then fixed handle 24 is with upwards to turn over certain angle, along with handle 24 rotates around arm pivot post, because the contact surface 243 of handle afterbody contacts with the socket cap 272 of chela upper end, the contact surface 243 of handle afterbody presses down the socket cap 272 of chela upper end, make each chela 27, 27 ' respectively around the chela axis of rotation of correspondence, chela lower end is upwards rotated, chela lower end is opened and is separated with track 4, finally the base 21 of inverted U can be unloaded from track 4.This unload process be all the reverse action of above installation steps in steps.
It should be noted that, the cambered plate of locking rail meter of the present invention and gusset etc. all can adopt welding process to be connected with the base of inverted U, and handle locking seat and arm pivot post seat etc. then can adopt plug welding.The track model adopted due to crane in bridge type is different, and for the track of different model, the base of the inverted U in locking rail meter of the present invention can make according to practical condition the adjustment doing corresponding increase or minimizing to chela size.
In use, can locking rail meter installation of the present invention be lock onto between crane wheel and track, to avoid improper movement or the slip of hoisting crane; Can also install this locking rail meter near the crane in bridge type overhauled, to keep the effective and safe distance between hoisting crane, both of these case has all advantageously ensured the personal safety of service personnel.
Locking rail meter structure of the present invention simply, easily manufactures, cost is low and installing/dismounting is convenient, it has auto-lock function, even if under general shock, also there will not be situation about coming off in track, effectively can prevent the caused safety misadventure of falling of rail meter.In addition, this locking rail meter also avoid rail meter and skids and distortion, when without the need to just locking onto on track when extra power.
That enumerates it should be noted that above is only specific embodiments of the invention, obviously the invention is not restricted to above embodiment, has many similar changes thereupon.If all distortion that those skilled in the art directly derives from content disclosed by the invention or associates, protection scope of the present invention all should be belonged to.
Claims (8)
1. lock a rail meter, it is characterized in that, comprising:
One cross-sectional plane is the base of inverted U, 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 correspondence under the state that handle is locked is located in described locking slot, the action in the height direction of described locking slot restriction handle; Described handle is also provided with one handle rotating shaft, the axial direction of this arm pivot post and the Width of base basically identical, described handle can rotate around this arm pivot post; The afterbody of described handle has a contact surface, and this contact surface presses down when handle rotates around arm pivot post;
Arm pivot post seat, it offers arm pivot post hole, this arm pivot post hole comprises through Part I and Part II, wherein Part I has a length on the length direction of base, Part II has a length in the short transverse of base, and described arm pivot post can along the Internal periphery linear slide in arm pivot post hole in arm pivot post hole;
Handle extension spring, its one end is fixedly connected with handle, and its other end is fixedly connected with base, and described handle extension spring is set to apply a power on base length direction to handle;
At least one pair of chela, it is located at the both sides on described base Width, described each chela can respectively around the chela axis of rotation of correspondence, the upper end of described chela is set to contact with the described contact surface of handle afterbody and the face that is touched is depressed, and realizes opening of chela to make chela around chela axis of rotation;
Torsion spring, its correspondence is sheathed on chela, one end of described torsion spring to being located on chela, the other end to being located on base, to apply closed restoring force to chela.
2. lock rail meter as claimed in claim 1, it is characterized in that, between described cambered plate and base, be connected with the gusset of setting.
3. lock rail meter as claimed in claim 1, it is characterized in that, described contact surface is cambered surface.
4. lock rail meter as claimed in claim 1, it is characterized in that, it is two right that described chela is set to, and two pairs of chelas are arranged before and after the length direction of base, and two pairs of chelas are set to around chela rotating shaft synchronous axial system.
5. lock rail meter as claimed in claim 1, it is characterized in that, the upper end of described chela has the socket cap stretched out, to contact with contact surface and the face that is touched is depressed
6. lock rail meter as claimed in claim 1, it is characterized in that, described chela is provided with the spring button be threaded with chela, and one end of described torsion spring is to being located on this spring button.
7. lock rail meter as claimed in claim 1, it is characterized in that, the nipper end of described chela has cambered surface, and this cambered surface is used for mating with the cambered surface of track.
8. lock rail meter as claimed in claim 1, it is characterized in that, described chela rotating shaft is arranged by the chela shaft seat be fixed on base.
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 true CN104671085A (en) | 2015-06-03 |
| CN104671085B 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) |
Cited By (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 |
| US20220024729A1 (en) * | 2020-07-23 | 2022-01-27 | Southeast University | Foldable rail-mounted crane stop device |
| US20220024728A1 (en) * | 2020-07-23 | 2022-01-27 | Southeast University | Buffer stop used for end of crane rails |
| CN114132867A (en) * | 2021-12-16 | 2022-03-04 | 新疆德勤互力工业技术有限公司 | Special wheel shielding clamp for preventing maintenance wheel of bridge crane from rolling |
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 |
Cited By (6)
| 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 |
| US20220024729A1 (en) * | 2020-07-23 | 2022-01-27 | Southeast University | Foldable rail-mounted crane stop device |
| US20220024728A1 (en) * | 2020-07-23 | 2022-01-27 | Southeast University | Buffer stop used for end of crane rails |
| US11649141B2 (en) * | 2020-07-23 | 2023-05-16 | Southeast University | Buffer stop used for end of crane rails |
| US12110216B2 (en) * | 2020-07-23 | 2024-10-08 | Southeast University | Foldable rail-mounted crane stop device |
| CN114132867A (en) * | 2021-12-16 | 2022-03-04 | 新疆德勤互力工业技术有限公司 | Special wheel shielding clamp for preventing maintenance wheel of bridge crane from rolling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104671085B (en) | 2017-01-04 |
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