CN208379651U - resistance support cylinder - Google Patents
resistance support cylinder Download PDFInfo
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- CN208379651U CN208379651U CN201820855120.3U CN201820855120U CN208379651U CN 208379651 U CN208379651 U CN 208379651U CN 201820855120 U CN201820855120 U CN 201820855120U CN 208379651 U CN208379651 U CN 208379651U
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Abstract
The utility model discloses resistance support cylinders, comprising: cylinder, inner hollow, the opposite two sides of cylinder one are respectively arranged with the first opening and the second opening；The body of rod is rotationally arranged at inner barrel, and the body of rod is obliquely installed, and the body of rod is arranged in a manner of it can rotate to both ends and stretch out respectively from the first opening and the second opening；Raising cord, its first end is connected on the body of rod, and raising cord second end is pierced by the top of cylinder, and tie point of the first end of raising cord on the body of rod is located at below the rotary shaft of the body of rod, when so that being lifted up raising cord, body of rod both ends are stretched out from the first opening and the second opening respectively.The utility model weight is small, reasonable in design, simple to operate, and the manufacture of equipment, implementation cost are low, can significantly improve the working efficiency that engineering pile foundation carries out dead-load detection testing operation.
Description
Technical field
The utility model relates to a kind of supporting tools dedicated for carrying out dead-load detection to construction project pile foundation.More specifically
Say that the utility model relates to a kind of resistance support cylinders in ground.
Background technique
It is increasing with large-scale, skyscraper, basis is also increased therewith using the base form of pile foundation, at present to building
If the pile foundation of engineering field when carrying out ballast detection test used method be ballast method, anchored pile-testing method and earth anchor method mostly, this
Several method is all to be withstood on test pile stake top using oil jack and be further applied load, and for the counter-force of jack, ballast method passes through
Heap weight on reaction frame balances therewith；Counter-force is transmitted to anchoring pile by reaction frame by anchored pile-testing method, the resistance to plucking dynamic balance with anchoring pile；And ground
Anchor be then it is using external force that ground anchorage is engaging-in into subterranean strata, anchor into over the ground generated when row is promoted larger load to
The comprehensive mill resistance of upper resistance to plucking, balances by this mill resistance and jack.
But all there are some problems in these methods:
It must solve that the source of the even upper kiloton load of several hundred tons, heap enters and transportation problem for ballast method；Ballast method institute
Need mass concrete block effectively go along with sb. to guard him protection because lacking, detection test during often occur concrete block landing and
Ballast carrier total Collapse phenomenon causes the work safety accidents such as on-site test staff's injures and deaths, while ballast detection method is equal
There are each component installing and dismounting, detection test the implementation process time it is long the problems such as.Anchoring pile rule must be provided with more anchoring piles and anti-
Power crossbeam, not only required cost is expensive for more anchoring piles, and curing time is longer, and the limitation vulnerable to tonnage and site condition, and
And anchoring pile is difficult to reuse；Anchored pile-testing method during the test, when the pressure of load is excessive, is likely to result in anchoring pile body and anchoring pile
The plumb joint of pile crown main reinforcement splits or is pulled off, this will directly contribute girder steel and the united reaction frame of anchoring pile caves in, so not
The coherent detections instrument such as jack and displacement sensor can be only damaged, and hidden by being buried to the safety of testing crew
Suffer from.
Utility model content
One purpose of the utility model is to provide resistance support cylinder, and resistance support cylinder weight is small, reasonable in design, behaviour
Make simple and convenient, the manufacture of equipment, implementation cost are low, can significantly improve the work that engineering pile foundation carries out dead-load detection testing operation
Efficiency.
In order to realize these purposes and other advantages according to the present utility model, a kind of resistance support cylinder is provided, comprising:
Cylinder, inner hollow, the opposite two sides of the cylinder one are respectively arranged with the first opening and the second opening；
The body of rod is rotationally arranged at the inner barrel, and the body of rod is obliquely installed, and the body of rod is can revolve
Both ends are gone to be arranged from the mode that first opening and second opening are stretched out respectively；
Raising cord, first end are connected on the body of rod, and the raising cord second end is pierced by the top of the cylinder,
The first end of the raising cord is below the rotary shaft that the tie point on the body of rod is located at the body of rod, so that being lifted up institute
When stating raising cord, the body of rod both ends are stretched out from first opening and second opening respectively.
Preferably, the resistance support cylinder, further includes:
Recovery line, the first end of the recovery line are fixed on the body of rod, and the second end of the recovery line is from the cylinder
Be pierced by the top of body, the first end of the recovery line above the rotary shaft that the fixed point on the body of rod is located at the body of rod,
When so that being lifted up the recovery line, the body of rod both ends are respectively from described in first opening and the second opening retraction
Cylinder.
Preferably, the resistance support cylinder, further includes:
Top board and lower platen, the top board and the lower platen are each attached on the body of rod, the top board and
The lower platen is lived apart the rotary shaft two sides of the body of rod, and at the body of rod both ends respectively from first opening and described
When second opening is stretched out, the top board and the lower platen cover first opening and second opening respectively.
Preferably, the resistance support cylinder, further includes:
Upper bearing plate and lower bearing plate, the upper bearing plate and the lower bearing plate are separately positioned on the body of rod both ends point
Do not stretch out the part of first opening and second opening, and the upper bearing plate and flat where the lower bearing plate
Face is each perpendicular to the direction of rotation of the body of rod.
Preferably, the resistance support cylinder, further includes:
Lift lever, one end and the body of rod are hinged, and hinge joint is located at below the rotary shaft of the body of rod, described to mention
The other end of rising stem and the first end of the raising cord are fixed.
Preferably, the resistance support cylinder, further includes:
Body of rod shaft and two shaft holes, described two shaft holes are set to another opposite two sides table of the cylinder
Face, the body of rod both ends of the shaft are respectively rotatably arranged in described two shaft holes, and the body of rod is fixed on the bar
In body shaft.
Preferably, the resistance support cylinder, the body of rod both ends are respectively formed sharp portion.
Preferably, the resistance support cylinder, the equal circular arc in region that the top and bottom of the cylinder are connected with side
Transition.
The utility model additionally provides the application method of resistance support cylinder, comprising:
Drilling；
The resistance support cylinder is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Resistance support cylinder after use, discharges raising cord, promotes recovery line and body of rod both ends is made to retract cylinder, and continue to mention
It rises recovery line to the resistance support cylinder and returns to ground.
The utility model additionally provides the dead-load detection method using resistance support cylinder, comprising:
Drilling；
The resistance support cylinder is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Raising cord is connect with reaction beam；
Jack is placed at the top of pile foundation to be measured, counter-force is provided using reaction beam for jack and carries out dead-load detection；
After the completion of dead-load detection, raising cord is discharged, recovery line is promoted and body of rod both ends is made to retract cylinder, and continue to lift up back
It receives rope to the resistance support cylinder and returns to ground.
The utility model is include at least the following beneficial effects:
1, it is a pre-assembled mating work that the engineering pile foundation dead-load detection resistance support wound packages of the utility model, which is set,
Tool, staff need to only transport and installing engineering static load of pile foundation detection resistance support wound packages is set on recovery line and raising cord, will
Assembled engineering pile foundation dead-load detection resistance support wound packages, which is set, to be hung together with to recovery line and raising cord into underground rock-soil layer hole
In hole, then the crossbeam counterforce device on raising cord and ground is coupled and is fastened, using hydraulic device to engineering pile foundation dead-load detection
Resistance support wound packages, which is set, to be lifted up, and resistance support wound packages is recycled to set the upward resistance to plucking resistance generated in underground rock-soil layer
Power, so that it may which dead-load detection operation is carried out to pile foundation；After detecting operation, resistance support wound packages is set to recycle and be repeated again
It utilizes, whole operation process is simple and convenient, solves and carries out required a large amount of ballasts when ballast detection is tested to pile foundation at present
Handling problem saves a large amount of manpower and material resources, will give the huge work of social creativity and business efficiency.
2, the structure design of the utility model is reasonable, and operating process is simple and convenient, and the maintenance of equipment, implementation cost are low, can show
The working efficiency for improving the test of engineering pile in situ dead-load detection is write, equally solves and ballast detection test is carried out to pile foundation at present
The handling problem of a large amount of ballasts of Shi Suoxu, saves a large amount of manpower and material resources, will be to the huge work of social creativity and economic effect
Rate.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
When Fig. 2 is that the utility model is not yet promoted, the working state figure of the body of rod；
Fig. 3 is the working state figure of the body of rod in the utility model lifting process；
Fig. 4 is the working state figure of the body of rod after the utility model is promoted.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figs 1-4, the utility model provides a kind of resistance support cylinder, comprising:
Cylinder 1, inner hollow, the opposite two sides of the cylinder 1 one are respectively arranged with the first opening 2 and the second opening 3；
The body of rod 4 is rotationally arranged inside the cylinder 1, and the body of rod is obliquely installed, and the body of rod is with can
It rotates to both ends (5,6) and is arranged respectively from the mode that first opening 2 and second opening 3 are stretched out；
Raising cord 12, first end are connected on the body of rod 4, and the raising cord second end is from the top of the cylinder 1
Be pierced by, the first end of the raising cord 12 below the rotary shaft that the tie point on the body of rod is located at the body of rod so as to
When the upper promotion raising cord, the body of rod both ends (5,6) are stretched out from first opening 2 and second opening 3 respectively.
In the above-mentioned technical solutions, cylinder 1 is square tube, cylinder, preferably cylinder, convenient for being put into hole.Cylinder 1
The hollow structure being vertically arranged, left and right sides setting the first opening 2 of cylinder 1 and the second opening 3, for cylinder, are interpreted as
It is four cambered plates by the cylinder quartering, opposite two sides are two opposite cambered plates.The body of rod passes through middle part rotatably
It is arranged inside cylinder 1, body of rod inclination, the upper and lower ends of the body of rod are respectively close to the upper edge of the first opening 2 and the second opening 3
Lower edge so that the body of rod is around rotary shaft when rotating, both ends can be stretched out from the first opening 2 and the second opening 3 respectively.Tool
Body, by raising cord come so that body of rod rotation (be set to rotate in the forward direction here), correspondingly, the tie point of raising cord and the body of rod need
It will be in the lower section of rotary shaft, so that the lifting force of raising cord can drive the body of rod to rotate around rotary shaft.It can be pre- at the top of cylinder 1
Through-hole is stayed, raising cord is passed through.
It is hung in the good hole of digging in use, setting assembled resistance support wound packages together with to raising cord, uses liquid
The lifting devices such as pressure device slowly promote raising cord, and raising cord drives the body of rod to rotate in turn, around the engaging-in hole in the both ends of the body of rod
Rock-soil layer in, generate a resistance to plucking overall drag, after reaching prestressing force requirement, by raising cord and ground crossbeam counter-force fill
It sets and is fastenedly connected, then be further applied load by hydraulic jack to crossbeam counterforce device, reach and dead-load detection test is carried out to pile foundation
Effect.As it can be seen that the apparatus structure design of the utility model is rationally, can be prefabricated in the factory part, can assemble, operate at the scene
Journey is simple and convenient, and the low handling for solving required a large amount of ballasts when carrying out ballast detection test to pile foundation at present of implementation cost is asked
Topic, saves a large amount of manpower and material resources, will give the huge work of social creativity and business efficiency.
In another technical solution, the resistance support cylinder, further includes:
The first end of recovery line 11, the recovery line 11 is fixed on the body of rod, and the second end of the recovery line is from institute
The top for stating cylinder 1 is pierced by, and fixed point 14 of the first end of the recovery line on the body of rod is located at the rotation of the body of rod
Above axis, when so that being lifted up the recovery line, the body of rod both ends (5,6) are respectively from first opening 2 and described the
Two openings 3 retract the cylinder 1.Here, recovery line is added on the basis of a upper technical solution, the first end of recovery line is fixed
On the body of rod, fixed point 14 is located above rotary shaft, after the first opening 2 and the second opening 3 are stretched out in body of rod both ends respectively, is promoted
Recovery line can make the body of rod reversely rotate, and body of rod both ends be applied with the power for retracting cylinder 1, so that body of rod both ends are from rock-soil layer
Abjection, so that resistance support cylinder can be elevated go back to ground.It can be with reserved through hole, so that recovery line can be at the top of cylinder 1
It passes through.In this way, resistance support wound packages is set to recycle and be reused again, reduces costs after detection operation.
In another technical solution, the resistance support cylinder, further includes:
Top board 7 and lower platen 8, the top board and the lower platen are each attached on the body of rod, the top board
Live apart with the lower platen rotary shaft two sides of the body of rod, and at the body of rod both ends respectively from first opening, 2 Hes
When second opening 3 is stretched out, the top board and the lower platen cover first opening 2 and second opening respectively
3.Here, top board and lower platen are for protecting 1 internal structure of cylinder, more for preventing the body of rod from further making useless rotation.
Top board 7 and lower platen 8 are each attached on the body of rod, at an angle with the body of rod, so that body of rod both ends design length part enters
When rock-soil layer, top board and lower platen just cover the first opening 2 and the second opening 3, but also top board and pushing plate surface
It is contradicted with rock-soil layer, the body of rod is prevented to further rotate.In the technical scheme, the first opening 2 and the second opening 3 need to be staggered to set
It sets, such as Fig. 4.
In another technical solution, the resistance support cylinder, further includes:
Upper bearing plate 16 and lower bearing plate 17, the upper bearing plate 16 and the lower bearing plate 17 are separately positioned on the bar
The part of first opening 2 and second opening 3, and the upper bearing plate and described are stretched out in body both ends (5,6) respectively
Plane where lower bearing plate is each perpendicular to the direction of rotation of the body of rod 4.Here, upper bearing plate and lower bearing plate are perpendicular to bar
Plane where the direction of rotation of body, for enhancing the upward resistance to plucking resistance of resistance support cylinder, upper bearing plate and lower bearing plate
Width only should be slightly bigger than the width of the body of rod, wide, may be unfavorable for body of rod both ends and enter rock-soil layer.
In another technical solution, the resistance support cylinder, further includes:
Lift lever 9, one end and the body of rod 4 are hinged, and hinge joint 10 is located at below the rotary shaft of the body of rod, institute
The first end for stating the other end and the raising cord of lift lever 9 is fixed.Here there is provided lift lever, it is convenient to the body of rod apply to
On active force, also facilitate connection more raising cords.
In another technical solution, the resistance support cylinder, further includes:
Body of rod shaft 13 and two shaft holes 15, it is another opposite that described two shaft holes 15 are set to the cylinder 1
Both side surface, 13 both ends of body of rod shaft are respectively rotatably arranged in described two shaft holes, and the body of rod is solid
It is scheduled in the body of rod shaft.Here there is provided a kind of bodies of rod to be pivotably coupled to the mode inside cylinder 1, i.e. through hole
Hole and shaft, it is easy to process, it is easy to use.
In another technical solution, the resistance support cylinder, the body of rod both ends are respectively formed sharp portion.Here, sharp
Thorn portion is convenient for piercing rock-soil layer.
In another technical solution, the resistance support cylinder, what the top and bottom of the cylinder 1 were connected with side
The equal arc transition in region.Here, arc transition, which can be convenient, to enter in hole below resistance support cylinder, reduces promoted to a certain degree
Resistance when resistance support cylinder.
The utility model additionally provides the application method of resistance support cylinder, comprising:
Drilling；
The resistance support cylinder is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Resistance support cylinder after use, discharges raising cord, promotes recovery line and body of rod both ends is made to retract cylinder, and continue to mention
It rises recovery line to the resistance support cylinder and returns to ground.
In the above-mentioned technical solutions, it is drilled first using drilling machine, the hole of brill is slightly larger than the outer diameter of cylinder, then will
Raising cord and recovery line are connect with lifting device, and lifting device can be hydraulic lifting apparatus or mechanical lifting device, then will
Resistance support cylinder is put into hole.Then, raising cord is promoted with lifting device, so that the body of rod rotates in the forward direction, until top board is under
Pressing plate covers the first opening and the second opening respectively, and body of rod both ends can not go successively to rock-soil layer at this time, and resistance support cylinder is formed
One resistance to plucking overall drag can carry out the purposes such as dead-load detection using the resistance.After the completion of use, raising cord is discharged, is promoted
Recovery line, so that the body of rod reversely rotates, body of rod both ends are deviate from from rock-soil layer, and then recovery line drives resistance support cylinder to return to ground
Face.
The utility model additionally provides the dead-load detection method using resistance support cylinder, comprising:
Drilling；
The resistance support cylinder is hung in the hole being drilled；
Raising cord is promoted with lifting device, until top board and lower platen cover the first opening and the second opening respectively；
Raising cord is connect with reaction beam；
Jack is placed at the top of pile foundation to be measured, counter-force is provided using reaction beam for jack and carries out dead-load detection；
After the completion of dead-load detection, raising cord is discharged, recovery line is promoted and body of rod both ends is made to retract cylinder, and continue to lift up back
It receives rope to the resistance support cylinder and returns to ground.
In the above-mentioned technical solutions, identical as a upper technical solution using the method for resistance support cylinder, here not further
It repeats, before carrying out dead-load detection, raising cord is connect with reaction beam, resistance support cylinder can be provided for jack enough
Counter-force completes static load of pile foundation detection.
In another technical solution, the dead-load detection method of resistance support cylinder is used, comprising:
(1) engineering pile foundation dead-load detection resistance support wound packages is set good in factory-assembled in advance, is connected again after reaching operation field
Connecing raising cord and recovery line can be used, and can also assemble in operation field through loose mail；Then again respectively by raising cord and recycling
Rope is fastenedly connected with the mechanically or hydraulically promotion on ground, recyclable device.
(2) it at engineering pile foundation dead-load detection scene, descends rock-soil layer to drill over the ground to form hole using machine drilling machinery, so
It selects a length to set much larger than the resistance support wound packages of excavated underground rock-soil layer hole diameter afterwards, while ensuring to protect cylinder
Diameter is slightly less than the diameter of excavated underground rock-soil layer drilling.
(3) then the resistance support wound packages for having had connected raising cord and recovery line is set and hangs onto underground rock-soil layer hole
In, on the ground raising cord constantly slowly promoted upwards using mechanically or hydraulically device, slowly being promoted makes raising cord
Pull lift lever, slowly promoted at this point, lift lever will pull drag link body lower end, at this moment, the upper end of the body of rod and lower both ends with
The body of rod shaft is rotated for circumferential point, since the body of rod is a strip column, when one end of the body of rod is opened
Begin rotation, the corresponding other end of the body of rod, which will also synchronize, to be rotated, and the direction of rotation of the two is on the contrary, the body of rod in this way
Top and bottom drill bit plate tip part will be with rough ground surface layer on sub-surface hole hole wall in rotary course
Mutually contradict, especially upper end drill bit plate point mutually will persistently generate friction with underground rock-soil layer surface layer under effect of inertia,
Under rubbing action, the upper end of the body of rod and lower end drill bit plate point will voluntarily be crept into and engaging-in into underground rock-soil layer, with
Support tube device is whole is constantly slowly promoted upwards, the upper end of the body of rod and lower end drill bit plate tip position will persistently bore
Engaging contact enters into underground rock-soil layer, when the upper end of the body of rod and lower end crept into when creeping into underground rock-soil layer reach top board and
When pushing Board position, top board and lower platen will stop the upper end of the body of rod and the drill bit plate tip position of lower end to continue to creep into respectively
In the rock-soil layer of underground, mechanically or hydraulically device on the ground carries out under the action of constantly slowly being promoted upwards raising cord, bar
The upper-end part of driving and lower end of body will can not continue to creep into enhancing action it is engaging-in into underground rock-soil layer, the body of rod two
The top board and lower platen of end will be fitted closely with underground ground surface layer securely, at this point, the body of rod in protection cylinder is on ground
In tiltedly vertical state in lower rock-soil layer hole, when continuing to lift up support tube device, the engaging-in body of rod in the rock-soil layer of underground will
It will form a resistance to plucking overall drag, form the upward resistance to plucking overall drag body of a larger load, enhance resistance support wound packages
The whole resistance to plucking resistance upwards set, when resistance support wound packages is set because underground ground layer resistance can not continue up prestretching and reach
After prestressing force requires, the crossbeam counterforce device on raising cord and ground is fastenedly connected, then anti-to crossbeam by hydraulic jack
Power device is further applied load, and has the function that carry out dead-load detection test to pile foundation.Diameter is slightly less than excavated underground rock-soil layer
The protection cylinder of bore diameter can also the soil layer respectively to drilling surrounding play a supporting role in protection, when the upper end of the body of rod and lower end are bored
Head plate pointed drill into and it is engaging-in to hole sidewalls surrounding soil layer during the rock-soil layer of underground, will necessarily be disturbed and then cause hole side table
Face soil layer part avalanche, at this point, the protection cylinder of circular preferably can ground-to-ground descend the surface soil layer of soil layer drilling surrounding hole side
Play support protective effect.
(4) after static load of pile foundation detection experiment work, raising cord is released using mechanically or hydraulically device on the ground
Pulling force makes whole raising cord is fully relaxed to get off, at this point, upper and lower two ends of the body of rod and top board and lower platen also will be from
Pine is from then on the ground using mechanically or hydraulically device promotion recovery line, recovery line is constantly slow upwards in the rock-soil layer of underground
Under the action of slow promotion, recovery line will strongly be extracted the upper-end part of driving of the body of rod out from the rock-soil layer of underground, meanwhile, it also can be by bar
The lower end of body is extracted out from the rock-soil layer of underground, is further continued for promoting recovery line, is taken in the upper and lower end of the entire body of rod completely
In the cylinder of the protection cylinder, recovery line is continued to lift up, final entire resistance support wound packages is set and will be promoted onto ground, to resistance
After power support tube device rearranges, it can reuse again.
Number of devices and treatment scale described herein are the explanations for simplifying the utility model.To the utility model
Resistance support cylinder will be readily apparent to persons skilled in the art with, modifications and variations.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. resistance support cylinder characterized by comprising
Cylinder, inner hollow, the opposite two sides of the cylinder one are respectively arranged with the first opening and the second opening；
The body of rod is rotationally arranged at the inner barrel, and the body of rod is obliquely installed, and the body of rod is can rotate to
Both ends are arranged from the mode that first opening and second opening are stretched out respectively；
Raising cord, first end are connected on the body of rod, and the raising cord second end is pierced by the top of the cylinder, described
The first end of raising cord is below the rotary shaft that the tie point on the body of rod is located at the body of rod, so that being lifted up described mention
When rising rope, the body of rod both ends are stretched out from first opening and second opening respectively.
2. resistance support cylinder as described in claim 1, which is characterized in that further include:
Recovery line, the first end of the recovery line are fixed on the body of rod, and the second end of the recovery line is from the cylinder
Top is pierced by, the first end of the recovery line above the rotary shaft that the fixed point on the body of rod is located at the body of rod so that
When being lifted up the recovery line, the body of rod both ends retract the cylinder from first opening and second opening respectively
Body.
3. resistance support cylinder as described in claim 1, which is characterized in that further include:
Top board and lower platen, the top board and the lower platen are each attached on the body of rod, the top board and described
Lower platen is lived apart the rotary shaft two sides of the body of rod, and at the body of rod both ends respectively from first opening and described second
When opening is stretched out, the top board and the lower platen cover first opening and second opening respectively.
4. resistance support cylinder as described in claim 1, which is characterized in that further include:
Upper bearing plate and lower bearing plate, the upper bearing plate and the lower bearing plate are separately positioned on the body of rod both ends and stretch respectively
The part of first opening and second opening out, and the plane where the upper bearing plate and the lower bearing plate is equal
Perpendicular to the direction of rotation of the body of rod.
5. resistance support cylinder as described in claim 1, which is characterized in that further include:
Lift lever, one end and the body of rod are hinged, and hinge joint is located at below the rotary shaft of the body of rod, the lift lever
The first end of the other end and the raising cord fix.
6. resistance support cylinder as described in claim 1, which is characterized in that further include:
Body of rod shaft and two shaft holes, described two shaft holes are set to another opposite both side surface of the cylinder,
The body of rod both ends of the shaft is respectively rotatably arranged in described two shaft holes, and the body of rod is fixed on the body of rod and turns
On axis.
7. resistance support cylinder as described in claim 1, which is characterized in that the body of rod both ends are respectively formed sharp portion.
8. resistance support cylinder as described in claim 1, which is characterized in that the top and bottom of the cylinder were connected with side
The equal arc transition in region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820855120.3U CN208379651U (en) | 2018-06-04 | 2018-06-04 | resistance support cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820855120.3U CN208379651U (en) | 2018-06-04 | 2018-06-04 | resistance support cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208379651U true CN208379651U (en) | 2019-01-15 |
Family
ID=64970035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820855120.3U Active CN208379651U (en) | 2018-06-04 | 2018-06-04 | resistance support cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208379651U (en) |
-
2018
- 2018-06-04 CN CN201820855120.3U patent/CN208379651U/en active Active
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