CN207877138U - A kind of lifting portal frame with safety device - Google Patents
A kind of lifting portal frame with safety device Download PDFInfo
- Publication number
- CN207877138U CN207877138U CN201820141621.5U CN201820141621U CN207877138U CN 207877138 U CN207877138 U CN 207877138U CN 201820141621 U CN201820141621 U CN 201820141621U CN 207877138 U CN207877138 U CN 207877138U
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- CN
- China
- Prior art keywords
- crossbeam
- safety device
- hydraulic cylinder
- safety
- hydraulic stem
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Abstract
The utility model discloses a kind of lifting portal frames with safety device,Belong to hanging device field,Its technical solution is as follows,Including guide rail,Supporting leg,Lifting body,Crossbeam,The guide rail is placed on the ground,Leg length direction one end is slidably connected with guide rail,The supporting leg other end is connected with lifting body,The crossbeam is connected in lifting body top,The lifting body includes multistage hydraulic cylinder,Hydraulic stem,The multistage hydraulic cylinder bottom end is connected with supporting leg,The hydraulic stem is slidably connected with multistage hydraulic cylinder and hydraulic stem top is connected with crossbeam,It is fixed with dial on the hydraulic stem side wall,The multistage hydraulic cylinder is equipped with safety device,The safety device grafting enters in dial that hydraulic stem is made no longer to move,With avoid the problem that because multistage hydraulic cylinder failure so that crossbeam is dropped,The advantages of improving the degree of safety of equipment.
Description
Technical field
The utility model is related to hanging device field, more particularly to a kind of lifting portal frame with safety device.
Background technology
Gantry crane is a kind of deformation of bridge crane, is called gantry crane, is mainly used for outdoor goods yard, stock ground
The handling operation of goods, bulk goods, gantry crane have the spies such as utilization of area rate is high, job area is big, adaptation is wide, versatile
Point is used widely in harbour goods yard, its metal structure installs two stabilizer blades as door-shaped frame under support main beam, can be with
It directly walks on the track on ground, girder both ends can have overhanging cantilever beam.
Authorization Notice No. is that the Chinese patent of CN203754281U discloses a kind of installation, carrying for large-sized object
Jacking, slip device, it is by being arranged four supporting legs, and there are one single-stage or multi-stage oil cylinders and walking horse for installation on each supporting leg
It reaches and retarder, four supporting legs is connected on a set of independent pumping plant, there are one centralized control cabinets to control independent pumping plant, this mode
Although synchronization accuracy is high, sliding accurate positioning, there is no safety device at multi-stage oil cylinder, once multi-stage oil cylinder loses jacking
If power, then the problem of crossbeam being made to drop under the effect of gravity, are easy to fall article also in article hoisting on crossbeam
It is bad, or even can also injure the person by a crashing object, there is higher security risk.
Utility model content
The purpose of this utility model is to provide a kind of lifting portal frame with safety device, has and avoids because of multistage liquid
Cylinder pressure failure the problem of making crossbeam drop, the advantages of improving the degree of safety of equipment.
The above-mentioned technical purpose of the utility model technical scheme is that：One kind carrying safety device
Lifting portal frame, including guide rail, supporting leg, lifting body, crossbeam, the guide rail places on the ground, the leg length side
It being slidably connected to one end and guide rail, the supporting leg other end is connected with lifting body, and the crossbeam is connected in lifting body top,
The lifting body includes multistage hydraulic cylinder, hydraulic stem, and the multistage hydraulic cylinder bottom end is connected with supporting leg, the hydraulic stem with it is more
Grade hydraulic cylinder is slidably connected and hydraulic stem top is connected with crossbeam, and dial, the multistage are fixed on the hydraulic stem side wall
Hydraulic cylinder is equipped with safety device, and the safety device grafting enters in dial that hydraulic stem is made no longer to move.
By using above-mentioned technical proposal, safety device is set at dial, after crossbeam is lifted grafting enter scale
In disk, by abutting dial scale outstanding, the movement of hydraulic stem is limited, so that hydraulic stem is not vertically slided, i.e.,
Make after multistage hydraulic cylinder fails, the scale strip on dial abuts safety device, at this time the liquid under the limitation of safety device
Compression bar no longer moves down, then crossbeam will not drop, and the crossbeam of tenesmus or article is avoided to injure the person by a crashing object, improves equipment safety degree.
Further, the safety device includes oil cylinder, telescopic rod, safety block, and the oil cylinder is connected in multistage hydraulic cylinder
On, the telescopic rod is slidably connected with oil cylinder, and several safety blocks are connected with telescopic rod, and the safety block grafting enters dial
Between scale.
By using above-mentioned technical proposal, make safety block that can be detached with dial, and then the flexible length of adjustable hydraulic stem
Degree ensures portal frame with can also be with higher degree of safety after Telescopic.
Further, several stop collars are fixed on the multistage hydraulic cylinder, the stop collar is in gate-shaped, the safety block
Grafting, which enters, to be slidably connected in stop collar with stop collar, the glide direction of the glide direction and telescopic rod of the safety block and stop collar
It is identical.
By using above-mentioned technical proposal, setting stop collar makes safety block glide direction stablize, and avoids safety block sliding side
To bias effect limit effect.
Further, the multistage hydraulic cylinder upper surface is fixed with several apical grafting blocks, and apical grafting block length direction is perpendicular
Histogram is to the apical grafting block height is more than the height of oil cylinder.
By using above-mentioned technical proposal, crossbeam is abutted when crossbeam moves down, and is avoided crossbeam from moving down and is damaged oil cylinder by pressure.
Further, brace is fixed between the hydraulic stem and crossbeam, the brace constitutes triangle with hydraulic stem, crossbeam
Shape.
By using above-mentioned technical proposal, the bonding strength of crossbeam is improved, reduces the deformation rate of beam force.
Movable hanger is slidably connected on the crossbeam, the movable hanger bottom end is fixed with cricoid withhold.
By using above-mentioned technical proposal, movable hanger adjustable position facilitates article of the lifting in different location.
Further, the supporting leg bottom end is rotatably connected to several runners, and the runner is abutted with guide rail upper surface.
By using above-mentioned technical proposal, setting runner slides on guide rail, reduces friction and improves sliding smoothness.
Further, the guide rail upper surface is fixed with two pieces of guide pads, and the distance between described guide pad is in runner
The distance between side end face.
By using above-mentioned technical proposal, setting guide pad avoids runner from deviating, and influences the overall movement direction of gantry crane,
Improve mobile accuracy.
In conclusion the utility model has the advantages that：
1, it is connected in dial by the way that safety device is arranged, keeps hydraulic stem not easily shifted, then when multistage hydraulic cylinder fails
After crossbeam will not be made to fall, improve the degree of safety of portal frame；
It is contacted with oil cylinder when 2, avoiding crossbeam from moving down by the way that apical grafting block is arranged and damages oil cylinder by pressure, it is higher to ensure that oil cylinder has
Service life；
3, the bonding strength that crossbeam is improved by the way that brace is arranged, improves the distribution of force of crossbeam, crossbeam is made to be unlikely to deform；
4, it by the way that runner and guide pad is arranged, reduces gantry crane movement friction and improves sliding smoothness, and can guarantee gantry
Hang glide direction stabilization.
Description of the drawings
Fig. 1 is the general assembly design sketch of the present embodiment；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is the front view of the present embodiment；
Fig. 4 is the enlarged drawing of B in Fig. 3.
In figure, 1, guide rail；11, guide pad；2, supporting leg；21, runner；3, lifting body；31, multistage hydraulic cylinder；32, hydraulic pressure
Bar；33, dial；4, crossbeam；5, safety device；51, oil cylinder；52, telescopic rod；53, safety block；54, stop collar；55, apical grafting
Block；6, movable hanger；7, it withholds；8, brace.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
The design principle of the utility model is：
When the stretching of hydraulic stem 32 makes crossbeam 4 reach predetermined altitude, oil cylinder 51 is stretched out is plugged into dial by safety block 53
In 33, scale strip is connected to 53 upper surface of safety block at this time, the movement of hydraulic stem 32 is limited, when 31 oil liquid pressure of multistage hydraulic cylinder
When reduction is even failed, crossbeam 4 moves down after losing support force with gravity, and the scale strip on dial 33 is connected to guarantor at this time
On dangerous block 53, hydraulic stem 32 is made no longer to move down, and then crossbeam 4 no longer moves down, avoiding crossbeam 4, the article of lifting is pounded in tenesmus suddenly
Onto the person, the degree of safety of portal frame is improved, is plugged into dial 33 with season safety block 53, even if a certain scale fracture
Limit effect will not be influenced, makes safety device 5 that there is higher service life.
Embodiment：A kind of lifting portal frame with safety device, in conjunction with Fig. 1, including guide rail 1, supporting leg 2, lifting body
3, crossbeam 4, guide rail 1 is that two rectangular body rods of rule are spliced to form, between two 1 length directions of guide rail are mutually parallel and have centainly
Every 1 bottom face of guide rail is connected on the ground, and supporting leg 2 is slidably connected with guide rail 1, and lifting body 3 is connected in 2 top of supporting leg, crossbeam
4 are connected in 3 top of lifting body, and in conjunction with Fig. 3, Fig. 4, supporting leg 2 is regular halfpace shape, and there are four turn for the rotation connection of 2 bottom end of supporting leg
Wheel 21, four runners 21 split 2 four corners of supporting leg, and the rotation direction of runner 21 is identical as the length direction of supporting leg 2, runner 21
It is connected to 1 upper surface of guide rail, setting runner 21 slides on guide rail 1, reduces the sliding smoothness that friction improves supporting leg 2.
In conjunction with Fig. 3, Fig. 4,1 top end face of guide rail is fixed with two rod-shaped guide pads 11, the length direction of guide pad 11 with
The length direction of guide rail 1 is identical, and the distance between guide pad 11 is the distance between 21 inner side end of runner, guide pad 11 with turn
Wheel 21 abuts, and makes runner 21 that can only be moved when moving along the length direction of guide pad 11, then guide pad 11 plays guiding role,
It avoids runner 21 from deviating when moving, influences the moving direction of the components such as supporting leg 2, lifting body 3, improve mobile accuracy.
In conjunction with Fig. 1, Fig. 2, lifting body 3 includes multistage hydraulic cylinder 31, hydraulic stem 32, and multistage hydraulic cylinder 31 is that rule is rectangular
Body, hydraulic stem 32 are also rectangular body rod, and 31 bottom end of multistage hydraulic cylinder is connected with 2 top of supporting leg, hydraulic stem 32 and multistage hydraulic cylinder
31 are slidably connected, and glide direction is vertical direction, and 32 both sides of the face of hydraulic stem are fixed with dial 33, the quarter on dial 33
Degree is vertically distributed, and the scale on dial 33 protrudes 32 outer surface of hydraulic stem, and setting multistage hydraulic cylinder 31 makes gantry
It hangs height-adjustable, and then article can be lifted into higher height, improve the applicability of gantry crane；33 convenience of dial is set
Operating personnel observe the flexible height of hydraulic stem 32, improve operating accuracy.
In conjunction with Fig. 1, Fig. 2,31 upper surface of multistage hydraulic cylinder is fixed with two groups of safety devices 5, and safety device 5 includes oil cylinder
51, telescopic rod 52, safety block 53, two oil cylinders 51 are respectively fixedly connected in the two sides of multistage hydraulic cylinder 31 and 33 face of dial
On, telescopic rod 52 is cylindrical bar, and telescopic rod 52 is slidably connected with oil cylinder 51, telescopic direction and 33 end face of dial of telescopic rod 52
Vertically, safety block 53 is spill block, and the smooth one end in 53 end face of safety block is connected with telescopic rod 52, and safety block 53 is with slotted one end
Grafting enters between two scale strips in dial 33；It safety block 53 is arranged to concave shape reduces connect with multistage hydraulic cylinder 31
Contacting surface is accumulated, and then reduces frictional force, reduces by 53 wear rate of safety block；31 upper surface of multistage hydraulic cylinder is also fixed with stop collar 54,
Stop collar 54 is gate character shape square pole, and the both ends that stop collar 54 opens are connected in 31 upper surface of multistage hydraulic cylinder, and safety block 53
Grafting enters one end in dial 33 and stop collar 54, safety block 53 is passed through to be slidably connected with stop collar 54；Setting stop collar 54 makes
53 glide direction of safety block is stablized, and avoids the offset grafting of 53 glide direction of safety block less than influence limit effect in dial 33.
In conjunction with Fig. 1, Fig. 2, when the stretching of hydraulic stem 32 makes crossbeam 4 reach predetermined altitude, oil cylinder 51 is stretched out safety block 53
It is plugged into dial 33, scale strip is connected to 53 upper surface of safety block at this time, limits the movement of hydraulic stem 32, works as multistage hydraulic
When the reduction of 31 oil liquid pressure of cylinder is even failed, crossbeam 4 moves down after losing support force with gravity, at this time the quarter on dial 33
Degree item is connected on safety block 53, so that hydraulic stem 32 is no longer moved down, and then crossbeam 4 no longer moves down, and avoids the tenesmus suddenly of crossbeam 4 will
The article of lifting is pounded on the person, and the degree of safety of portal frame is improved, and is plugged into dial 33 with season safety block 53, even if certain
A piece scale fracture will not influence limit effect, and safety device 5 is made to have higher service life.
In conjunction with Fig. 1, Fig. 2, multistage hydraulic cylinder 31, which is located on the both sides of the face of 4 length direction of crossbeam, is fixed with apical grafting block 55,
Apical grafting block 55 is square block, and 55 length direction one end of apical grafting block is connected on multistage hydraulic cylinder 31, and 55 length direction of apical grafting block is perpendicular
Straight and 55 length direction of apical grafting block other end height is more than the height of oil cylinder 51, and 55 side of apical grafting block is abutted with hydraulic stem 32；
By the way that apical grafting block 55 is arranged, hydraulic stem 32 is abutted when crossbeam 4 moves down, avoids hydraulic stem 32 from excessively moving down and is contacted with oil cylinder 51
Oil cylinder 51 is damaged by pressure, the service life of oil cylinder 51 is improved.
In conjunction with Fig. 1, Fig. 3,32 top of hydraulic stem is connected with crossbeam 4, and crossbeam 4 is regular I-steel, 4 both ends of crossbeam respectively with
Hydraulic stem 32 is connected, and is slidably connected on crossbeam 4 there are two movable hanger 6,6 bottom end of movable hanger be fixed with it is cricoid withhold 7, move
6 adjustable position of dynamic suspender facilitates article of the lifting in gantry crane different location；It is cricoid to withhold 7 and mount a variety of suspenders,
To be further adapted to various article；Brace 8 is fixed between crossbeam 4 and hydraulic stem 32, brace 8 is inclined square pole, tiltedly
Bar 8 is triangle in the section of vertical direction with crossbeam 4, hydraulic stem 32；The bonding strength of crossbeam 4 is improved by the way that brace 8 is arranged,
Improve the distribution of force of crossbeam 4, reduces the deformation rate of 4 stress of crossbeam.
Specific implementation process：When needing mobile large-scale heavy equipment, it is first laid with guide rail 1, branch is then installed on guide rail 1
The components such as leg 2, are operated after debugging, when needing to jack equipment, are first controlled supporting leg 2 and are moved to equipment surrounding, then make cross
Movable hanger 6 on beam 4 is moved near equipment, and steel wire rope is mounted between 7 and equipment withholding later, then controls four branch
Multistage hydraulic cylinder 31 on leg 2 works, and provides the pressure of hydraulic pressure；After jacking, oil cylinder 51 pushes telescopic rod 52 to stretch out, and makes insurance
Block 53 snaps onto in dial 33, and crossbeam 4 drops when multistage hydraulic cylinder 31 being avoided to fail；Movable hanger 6 is transported on crossbeam 4 simultaneously
It is dynamic to be finely adjusted, reach and is accurately positioned；If needing displacement, then control runner 21 moves after jacking, until making equipment reach institute
It needs to stop when position.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of lifting portal frame with safety device, including guide rail（1）, supporting leg（2）, lifting body（3）, crossbeam（4）, institute
State guide rail（1）It places on the ground, the supporting leg（2）Length direction one end and guide rail（1）It is slidably connected, the supporting leg（2）Separately
One end and lifting body（3）It is connected, the crossbeam（4）It is connected in lifting body（3）Top, it is characterized in that：The lifting body
（3）Including multistage hydraulic cylinder（31）, hydraulic stem（32）, the multistage hydraulic cylinder（31）Bottom end and supporting leg（2）It is connected, the hydraulic pressure
Bar（32）With multistage hydraulic cylinder（31）It is slidably connected and hydraulic stem（32）Top and crossbeam（4）It is connected, the hydraulic stem（32）Side
Dial is fixed on wall（33）, the multistage hydraulic cylinder（31）It is equipped with safety device（5）, the safety device（5）Grafting
Enter dial（33）Inside make hydraulic stem（32）No longer move.
2. a kind of lifting portal frame with safety device according to claim 1, it is characterized in that：The safety device
（5）Including oil cylinder（51）, telescopic rod（52）, safety block（53）, the oil cylinder（51）It is connected in multistage hydraulic cylinder（31）On, it is described
Telescopic rod（52）With oil cylinder（51）It is slidably connected, several safety blocks（53）With telescopic rod（52）It is connected, the safety block
（53）Grafting enters dial（33）Between scale.
3. a kind of lifting portal frame with safety device according to claim 2, it is characterized in that：The multistage hydraulic cylinder
（31）On be fixed with several stop collars（54）, the stop collar（54）In gate-shaped, the safety block（53）Grafting enters stop collar
（54）Interior and stop collar（54）It is slidably connected, the safety block（53）With stop collar（54）Glide direction and telescopic rod（52）'s
Glide direction is identical.
4. a kind of lifting portal frame with safety device according to claim 3, it is characterized in that：The multistage hydraulic cylinder
（31）Upper surface is fixed with several apical grafting blocks（55）, the apical grafting block（55）Length direction is vertical direction, the apical grafting block
（55）Height is more than oil cylinder（51）Height.
5. a kind of lifting portal frame with safety device according to claim 4, it is characterized in that：The hydraulic stem（32）
With crossbeam（4）Between be fixed with brace（8）, the brace（8）With hydraulic stem（32）, crossbeam（4）It is triangle.
6. a kind of lifting portal frame with safety device according to claim 5, it is characterized in that：The crossbeam（4）On
Slidably connect movable hanger（6）, the movable hanger（6）Bottom end is fixed with cricoid withhold（7）.
7. a kind of lifting portal frame with safety device according to claim 6, it is characterized in that：The supporting leg（2）Bottom
End is rotatably connected to several runners（21）, the runner（21）With guide rail（1）Upper surface abuts.
8. a kind of lifting portal frame with safety device according to claim 7, it is characterized in that：The guide rail（1）On
End face is fixed with two pieces of guide pads（11）, the guide pad（11）The distance between be runner（21）Between inner side end away from
From.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820141621.5U CN207877138U (en) | 2018-01-25 | 2018-01-25 | A kind of lifting portal frame with safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820141621.5U CN207877138U (en) | 2018-01-25 | 2018-01-25 | A kind of lifting portal frame with safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207877138U true CN207877138U (en) | 2018-09-18 |
Family
ID=63508497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820141621.5U Expired - Fee Related CN207877138U (en) | 2018-01-25 | 2018-01-25 | A kind of lifting portal frame with safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207877138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109835813A (en) * | 2019-03-19 | 2019-06-04 | 叶存玉 | A kind of Port Container Cranes convenient for remote control |
| CN112390142A (en) * | 2020-11-11 | 2021-02-23 | 江苏省交通工程集团有限公司 | Method for installing auxiliary hanging bracket for traffic road and bridge construction |
-
2018
- 2018-01-25 CN CN201820141621.5U patent/CN207877138U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109835813A (en) * | 2019-03-19 | 2019-06-04 | 叶存玉 | A kind of Port Container Cranes convenient for remote control |
| CN109835813B (en) * | 2019-03-19 | 2020-06-12 | 徐州国联建机有限公司 | Port container crane convenient to remote control |
| CN112390142A (en) * | 2020-11-11 | 2021-02-23 | 江苏省交通工程集团有限公司 | Method for installing auxiliary hanging bracket for traffic road and bridge construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20200125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |