CN209563717U

CN209563717U - A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source

Info

Publication number: CN209563717U
Application number: CN201822069186.2U
Authority: CN
Inventors: 乔彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-11
Filing date: 2018-12-11
Publication date: 2019-11-01
Anticipated expiration: 2028-12-11

Abstract

A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop (1), the at least two power source legs (3) servo-actuated as driving lifting leg using the lifting leg (2) of hydraulic-driven and one, the lifting leg (2) is made of hydraulic cylinder and piston rod, the rod chamber of first hydraulic cylinder is connected with the rodless cavity of second hydraulic cylinder, the rod chamber of second hydraulic cylinder is connected with the rodless cavity of third hydraulic cylinder, the rod chamber of third hydraulic cylinder is connected with the rodless cavity of the 4th hydraulic cylinder, and so on, the rod chamber of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder.Desktop (1) is driven to rise or fall when power source leg (3) rises or falls, desktop (1) rises or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, and rises or falls to realize that each lifting leg (2) synchronizes.The utility model structure is simple, at low cost, easily manufactured, and more table leg synchronization lifting performances are good.

Description

A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source

Technical field

The utility model relates to a kind of furniture, especially a kind of desk that can be gone up and down, specifically a kind of single-power The hydraulic auxiliary dynamic synchronization lifting table in source.

Background technique

It will use various desks when people's office and study, common conventional tables are used for a long time and are seated office and learnt It is easy to cause cervical vertebra, lumbar vertebra disease and other diseases in journey, and being suitably changed to stand often can be with using the posture of desk It is effectively prevent the generation of cervical spondylosis, lumbar vertebra disease etc., scientific investigations showed that, the harmfulness of sitting is hurt caused by even greater than smoking Evil, and office of adhering to standing for a long time can additionally consume a certain amount of calorie maintains stature and weight and to help body complete Face health.Existing lifting desk designs various hand, double or even more motors to be suitble to the user of different building shape height Motorized adjustment height and single, double gas (liquid) move telescopic rod or single, double gas (machinery) drawing-pressing spring mechanism adjusts the office of height Table.Hand lifting uses mechanical gear transmission principle, and the hand shaken handle for fully relying on people is driven by gear structure to be promoted Desktop and load, feel is heavy when desktop rises, the situation that overload easily causes commonly used person not to be available, and is used for a long time Easily rocker arm is caused to deform because stress is larger, the devices such as transmission gear damage, service life is not grown；And double or even more motor electricity The dynamic desk for adjusting height, need to be mounted so that mostly set motor and electrical and mechanical drive system, double or even more motor powereds It adjusts when height uses to keep each motor synchronous, also needs a mating multi-motor synchronous control device, so noise is larger, And high failure rate, when use, are also necessarily required to use in the region for having power outlet, region is limited and can not move freely, and double Even more motors and mechanical drive system price be not human-oriented, and making double or even more motor powereds liftings desk is unpopular can not be big Area is promoted；Single, double gas (liquid) moves telescopic rod or single, double gas (machinery) drawing-pressing spring mechanism adjusts the desk of height, is not necessarily to Power supply, manpower can operate lifting, environmentally protective, and using area is unrestricted to can move freely office, but single, double gas (liquid) is moved and stretched Contracting bar or single, double gas (machinery) drawing-pressing spring mechanism adjust the desk of height only in desktop midfoot support one single gas (liquid) Dynamic telescopic rod or single gas (machinery) drawing-pressing spring mechanism pillar, there are desk bodies to install jiggly problem, increases the behaviour of user Make difficulty；Double gas (liquid) in the market, which move telescopic rod or the desk of double gas (machinery) drawing-pressing spring mechanism adjusting height, will appear The problem that telescopic rod or gas (machinery) drawing-pressing spring synchronization telescope and load unevenness are moved because that can not coordinate two gas (liquid), leads to table , there is card resistance phenomenon, also without good user experience in face inclination.

Utility model content

The purpose of this utility model is the lifting desk for existing two or more single-column support constructions in the presence of each Though lifting leg synchronizes difficult or is able to achieve synchronization lifting but the problem that structure is complicated, manufacturing cost is high, it is simple to design a kind of structure, Synchronize the hydraulic auxiliary dynamic synchronization lifting table of single power source easily based on hydraulic principle.

The technical solution of the utility model first is that:

A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop 1, at least two with hydraulic-driven Lifting leg (2) and a power source leg 3 servo-actuated as driving lifting leg, the lifting leg 2 is by hydraulic cylinder and piston rod Composition, the rod chamber of first hydraulic cylinder is connected with the rodless cavity of second hydraulic cylinder, the rod chamber of second hydraulic cylinder and The rodless cavity of third hydraulic cylinder is connected, and the rod chamber of third hydraulic cylinder is connected with the rodless cavity of the 4th hydraulic cylinder, And so on, the rod chamber of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder；When power source leg (3) rise Or driving desktop 1 to rise or fall when decline, desktop 1 rises or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, from And it realizes that each lifting leg 2 synchronizes and rises or falls.

The equidirectional installation of the hydraulic cylinder 17 is mounted on 1 lower part of desktop by the order of a positive and a negative.

When the described hydraulic cylinder formal dress, rear end is connected with desktop 1, and piston rod is connected with pedestal 4.

The rear end of the hydraulic cylinder is connected by lengthening fupport arm 5 with desktop 1, and piston rod is connected with pedestal 4.

The hydraulic cylinder is anti-when filling, and piston rod is connected with desktop 1, and rear end is connected with pedestal 4.

The rear end of the hydraulic cylinder is connected by lengthening fupport arm 5 with desktop 1.

The side of the lifting leg 2 is mounted on power source leg 3 to realize the lifting of any position control lifting leg.

The power source leg 3 is individual wind elevating mechanism, pedal type lifting mechanism, manual machine power transmission machine Structure, an individual motor elevating mechanism or motor force transmission mechanism, an individual electric hydraulic pump (hydraulic motor) or manpower Hydraulic pump (hydraulic motor) mechanism, an individual gas (liquid) move telescopic rod or gas (machinery) drawing-pressing spring mechanism or the machine The combination of structure.

It is connected between the rod chamber of one hydraulic cylinder and the rodless cavity of another hydraulic cylinder by hydraulic hose.

Medium in the hydraulic cylinder is pure water, the pure water added with anti-icing fluid or automotive antifreezing liquid and various hydraulic The liquid mediums such as oil.The preferred pneumatic spring of the single power source.

The utility model can also save the power source leg 3, with an individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor) is simultaneously equipped with reversal valve or shut-off valve directly drives piston rod and moves in hydraulic cylinder to realize table The lifting in face.

The technical solution of the utility model second is that:

A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop 1, at least two with hydraulic-driven Lifting leg 2 and one as driving lifting leg be servo-actuated power source leg 3, the lifting leg 2 is by hydraulic cylinder and piston rod group At the rod chamber of first hydraulic cylinder is connected with the rod chamber of second hydraulic cylinder, the rodless cavity and of second hydraulic cylinder The rodless cavity of three hydraulic cylinders is connected, and the rod chamber of third hydraulic cylinder is connected with the rod chamber of the 4th hydraulic cylinder, with This analogizes, and the rodless cavity of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder；And each hydraulic cylinder by it is positive and negative, Positive and negative order installation；Desktop 1 is driven to rise or fall when power source leg 3 rises or falls, desktop 1 rises or lower liter band The piston rod for moving each hydraulic cylinder elongates or shortens, and rises or falls to realize that each lifting leg 2 synchronizes.

The hydraulic cylinder 17 is mounted on 1 lower part of desktop by the order of a positive and a negative.

When hydraulic cylinder formal dress (rear end is upward, and tailpiece of the piston rod is downward), each hydraulic cylinder 17 is directly or by transiting rod 14 are fixed on pedestal 4, and piston rod 16 is connected with the one end for the connection sleeve 15 being sleeved on hydraulic cylinder, connect the another of sleeve 15 One end is fixedly linked with desktop 1.

When the described hydraulic cylinder formal dress, piston rod is connected with desktop 1, and hydraulic cylinder 17 is connected with pedestal 4.

The piston rod of the hydraulic cylinder is connected by lengthening fupport arm 5 with desktop 1, and hydraulic cylinder 17 is connected with pedestal 4.

The piston rod of the hydraulic cylinder is connected by lengthening fupport arm 5 with desktop 1, and rear end is connected with pedestal 4.

The power source leg 3 is individual wind elevating mechanism, pedal type lifting mechanism, manual machine power transmission machine Structure, an individual motor elevating mechanism or motor force transmission mechanism, an individual electric hydraulic pump (hydraulic motor) or manpower Hydraulic pump (hydraulic motor) mechanism, an individual gas (liquid) move telescopic rod or gas (machinery) drawing-pressing spring mechanism or the machine The combination of structure

It is connected between each chamber of one hydraulic cylinder and each chamber of another hydraulic cylinder by hydraulic hose.

The utility model has the beneficial effects that

Since hydraulicdriven efficient and stability, hydraulic drive can conduct even higher than 99% or more power, as long as Two identical hydraulic cylinders are placed, two hydraulic cylinders are docked completely by hydraulic tube, can also synchronize conduction and be even higher than 99% or more displacement.Such power conduction efficiency and displacement efficiency fully meet the demand of routine office work and study.

According to this characteristic, (only need a power source leg lifting that can drive all liters when work with single power source leg Leg synchronization lifting is dropped to the height set) it is used as power source, pass through the fluid pressure linkage part of 2 or multiple hydraulic cylinders composition It realizes that two even more than two lifting legs do the same amount displacement movement of identical strength in the same direction simultaneously, thoroughly solves single list Power source cannot make all feets synchronous and multiple power sources are easy to produce to interfere and cause system uncoordinated or even card resistance is asked Topic is not in desktop inclination, card resistance phenomenon when all feets load uneven, with easy to operate, bearing capacity is big, synchronism Good, reaction speed is fast, stable and reliable for performance, does not cause the desktop in lifting process to tilt because weight is placed on desk one end, There is good user experience.Flexible hydraulic pressure pipe can be used in hydraulic conduction system simultaneously, meets desk in the displacement raised and reduced In displacement request without damaging, and due to the characteristic of hydraulic tube flexible concertina, same covering device can satisfy different sizes Desktop office Desk system use

Common hydraulic system has efficient stable, and structure is simple, cheap, the permanent feature of service life, generally Machinery hydraulic system work normally 8 hours one day sweeping actions daily and be even up to thousands of time, the life-cycle commonly reaches more than ten Ten thousand even hundreds of thousands time move back and forth, can under regular service conditions by daily 30 liftings of normal lifting desk using calculating To meet or exceed 10 years service life used above, moreover the ordinary tap water of antifreezing agent slightly can be used as hydraulic conduction Medium, environmentally protective, drawing materials, it is cheap to facilitate, easy to maintain.

Using an individual wind elevating mechanism, pedal type lifting mechanism or manual machine force transmission mechanism as power Source only need to set an individual wind elevating mechanism, pedal type lifting mechanism or manual machine force transmission mechanism, then plus one group by The fluid pressure linkage part of 2 or multiple hydraulic cylinders composition, lifting more hand than common tradition are transferred to each table using mechanical gear The mechanism of foot is simple and efficient, cheap easy to install and use, reliable transmission, long service life.

Using an individual motor elevating mechanism or motor force transmission mechanism as power source, a set of motor elevator is only needed Structure or motor force transmission mechanism system, then plus one group of fluid pressure linkage part being made of 2 or multiple hydraulic cylinders, completely abolished mostly electric Machine isochronous controller and remaining motor, circuit is simple and reliable, and there are many cost decline, and noise is reduced, and failure rate is low, securely and reliably.

Power source is used as using an individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor), only Need a set of electric hydraulic pump (hydraulic motor) or Manual hydraulic to pump (hydraulic motor) system, then plus one group by 2 or multiple hydraulic The fluid pressure linkage part of cylinder composition, system is small and exquisite, and compact-sized, noise is small, and transmission efficiency is higher than purely mechanic transmission efficiency, energy consumption It is small, it can be placed on any position, be driven convenient and reliable, mating one synchronous start and stop reversal valve or shut-off valve, it can arbitrarily up and down Desktop and locking desktop position are motionless.

Telescopic rod or gas (machinery) drawing-pressing spring mechanism are moved as power source using an individual gas (liquid), then plus one group The fluid pressure linkage part being made of 2 or multiple hydraulic cylinders, low cost, structure is simple, and moving component is few and safe and reliable, and movement is single One and efficiently, carry self-lock switch (18), can stop at an arbitrary position and lock, long service life, do not have to external power supply, it is green Colour circle is protected, conveniently moving.

In addition, can even add the system of solar panels to solve using battery energy storage must be outer when using being driven by electricity It is connected to line power issue, solar panel can be set on the table, by daylight even indoor light source accumulation of energy, because after all daily The number of lifting is also few, consumes energy limited.

The utility model structure is simple, at low cost, easily manufactured, and synchronization lifting performance is good.

Detailed description of the invention

When Fig. 1 is that the utility model moves telescopic rod or gas (machinery) drawing-pressing spring mechanism as power source leg using gas (liquid) Desktop decline status diagram.

When Fig. 2 is that the utility model moves telescopic rod or gas (machinery) drawing-pressing spring mechanism as power source leg using gas (liquid) Desktop raised configuration schematic diagram.

Fig. 3 is the utility model using individual wind elevating mechanism, pedal lifting mechanism or manual machine power transmission machine Desktop when structure is as power source leg declines status diagram.

Fig. 4 is the utility model using individual wind elevating mechanism, pedal lifting mechanism or manual machine power transmission machine Desktop raised configuration schematic diagram when structure is as power source leg.

Fig. 5 is that the utility model uses the table of individual motor elevating mechanism or motor force transmission mechanism as power source leg when Face declines status diagram.

Fig. 6 is that the utility model uses the table of individual motor elevating mechanism or motor force transmission mechanism as power source leg when Face raised configuration schematic diagram.

Fig. 7 is that the utility model is made using individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor) Desktop when for power source leg declines status diagram.

Fig. 8 is that the utility model is made using individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor) Desktop raised configuration schematic diagram when for power source leg.

Fig. 9 is liquid when two hydraulic cylinder mistake chambers of the utility model connected (when rod chamber is connected with rodless cavity) are installed in the same direction Press schematic diagram.

When Figure 10 is that the utility model multiple hydraulic cylinders mistake chamber connected (when rod chamber is connected with rodless cavity) is installed in the same direction Hydraulic schematic diagram.

When Figure 11 is that two hydraulic cylinder mistake chambers of the utility model connected (when rod chamber is connected with rodless cavity) are reversely installed Hydraulic schematic diagram.

Figure 12 is that the multiple hydraulic cylinders mistake chamber of the utility model is connected when being staggered installation of (when rod chamber is connected with rodless cavity) Hydraulic schematic diagram.

Being connected when Figure 13 is the positive and negative dress of two hydraulic cylinders of the utility model with chamber, (rod chamber is connected with rod chamber, no bar Chamber is connected with rodless cavity) structural schematic diagram (propradation).

Being connected when Figure 14 is the positive and negative dress of two hydraulic cylinders of the utility model with chamber, (rod chamber is connected with rod chamber, no bar Chamber is connected with rodless cavity) structural schematic diagram (decline state).

Working principle diagram when Figure 15 is the forward and reverse installation of two hydraulic cylinders of the utility model and is connected with chamber.

Figure 16 be the forward and reverse installation of the utility model multiple hydraulic cylinders and be connected with chamber (rod chamber is connected with rod chamber, Rodless cavity is connected with rodless cavity) when hydraulic schematic diagram.

In figure: 19 be electric up-down control switch.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and examples.

Embodiment one.

As shown in Fig. 1,2,9-12.

A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it includes desktop 1, the two lifting leg 2, one with hydraulic-driven Item moves telescopic rod or gas (machinery) drawing-pressing spring mechanism 7 the power source leg 3 and pedestal servo-actuated as driving lifting leg 2 using gas (liquid) 4, as shown in Figure 1, 2, the lifting leg 2 is made of hydraulic cylinder and piston rod, and the rod chamber of first hydraulic cylinder passes through flexibility Hydraulic tube 6 is connected with the rodless cavity of second hydraulic cylinder, and the rod chamber of second hydraulic cylinder passes through flexible hydraulic pressure pipe 6 and first The rodless cavity of a hydraulic cylinder is connected；Desktop 1 is driven to rise or fall when power source leg 3 rises (Fig. 2) or decline (Fig. 1), Desktop 1 rises or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, thus realize the synchronous rising of each lifting leg 2 or under Drop.Its schematic diagram as shown in Fig. 9,11, using Fig. 9 schematic diagram when, the rear end of two hydraulic cylinders is each attached on pedestal 4, The end of two piston rods passes through a lengthening fupport arm 5 and 1 stationary phase of desktop；The rear end of two hydraulic cylinders can also be used It is fixed on desktop 1 by lengthening fupport arm 5, the end of two piston rods is fixed on pedestal 1.The another schematic diagram for using Figure 11 When, the rear end of a hydraulic cylinder is fixed on pedestal 4, and the rear end of another hydraulic cylinder is fixed on table by lengthening fupport arm 5 On face 1.

When it is implemented, in order to easy to operate, or each lifting leg 2 matches a power source leg 3, in this way can be in office The operation of desktop lifting is realized at one lifting leg position.The pure water of pure water plus anti-icing fluid can be used in carrier used in hydraulic cylinder Or the liquid mediums such as automotive antifreezing liquid and various hydraulic oil.

When the length of desktop is longer or drives turning structure, can be adopted when three or more lifting legs being needed to be supported Each hydraulic cylinder is attached with the principle of Figure 10,12 or 16, telescopic rod or gas (machine can also be moved by a gas (liquid) at this time Tool) drawing-pressing spring mechanism goes up and down the synchronization lifting for realizing each lifting leg, if desktop has two pieces of composition described above, and to adjust every When the different OQ t height of block desktop, increase can be used or reduce the volume for supporting the hydraulic cylinder of corresponding desktop, change work The measures such as stopper rod length are realized

Embodiment one:

When as shown in Figure 1, 2, using the hydraulic pressure cylinder assembly of same size, piston rod is fixedly linked with pedestal 4 in figure, hydraulic Cylinder rear end is connected by lengthening fupport arm 5 with desktop 1, and the gas (liquid) of the power source leg 3 as single power source moves telescopic rod or gas (machinery) drawing-pressing spring mechanism is mounted on the right side of desktop (or left side), and when needing desktop to rise, by opening, gas (liquid) is dynamic to be stretched Contracting bar or gas (machinery) drawing-pressing spring mechanism locking switch 18 generate strength F1, so that gas (liquid) is moved telescopic rod or gas (machinery) is drawn Liter is stretched by pressing spring mechanism, drives right side desktop that right side (or left side) piston cylinder is driven to move up while rising, at this point, right The rod chamber volume of side (left side) hydraulic cylinder becomes smaller, and extra hydraulic medium squeezes into left side (right side) liquid by flexible hydraulic pressure pipe 6 The rodless cavity of cylinder pressure, rodless cavity pressure increase force piston rod to move down, since piston rod is fixed, to force left side Hydraulic cylinder moves up, and the hydraulic medium in the rod chamber of left side (right side) hydraulic cylinder flows to a right side (left side under pressure Side) hydraulic cylinder rodless cavity, due to the conduction of hydraulic medium, left and right hydraulic cylinder synchronous rises, error 1% it is acceptable In range.State after rising is as shown in Fig. 2, gas (liquid) moves telescopic rod or gas (machinery) drawing-pressing spring mechanism is in locking State.When needing desktop to decline, solution degasification (liquid) moves the locking switch 18 of telescopic rod or gas (machinery) drawing-pressing spring mechanism, by Telescopic rod is moved in gas (liquid) or gas (machinery) drawing-pressing spring mechanism loses supporting role, in gravity and artificial lower pressure force F2 effect Under, desktop forces right side (left side) hydraulic cylinder to move down, rodless cavity volume-diminished, and it is (right that the hydraulic medium in rodless cavity flows into left side Side) hydraulic cylinder rod chamber force left side (right side) piston rod move up, since left side (right side) piston rod is fixed, to force Left side (right side) hydraulic cylinder synchronous moves down, and realizes the synchronous decline of desktop, and at the same time, the hydraulic medium in the rodless cavity of left side is logical Piping flows into the rod chamber of left side as supplement, until falling into place, as shown in Fig. 2, if height of table top is because of gravity and gas (liquid) move telescopic rod or gas (machinery) drawing-pressing spring mechanism pressure balance cannot drop to required height, can also by manually under The method in face of presenting a theatrical performance as the last item on a programme makes desktop be further lowered into extreme position.

Embodiment two:

As shown in Figure 3,4.

The difference between this embodiment and the first embodiment lies in the power source leg 3 as the driving lifting lifting of leg 2 is using list Only wind elevating mechanism, pedal lifting mechanism or manual machine force transmission mechanism 8, joystick elevating mechanism, pedal lifting machine Structure or manual machine force transmission mechanism 8 can be used identical as the structure used in existing same table.Remaining is the same as example 1.

Embodiment three:

As seen in figs. 5-6.

The difference between this embodiment and the first embodiment lies in the power source leg 3 as the driving lifting lifting of leg 2 is using list It is used in only motor elevating mechanism or motor force transmission mechanism 9, motor elevating mechanism or motor force transmission mechanism 9 and existing same table Structure it is identical, be all made of motor 10 as power source.Remaining is the same as example 1.

Example IV:

As Figure 7-8.

The difference between this embodiment and the first embodiment lies in eliminating the power source leg 3 that driving lifting leg 2 is gone up and down, directly adopt Individual electric hydraulic pump (hydraulic motor) or Manual hydraulic pump (hydraulic motor) 11 are simultaneously equipped with reversal valve or shut-off valve 12 directly Piston rod in driving hydraulic cylinder rises or falls, and power switch 13 is mountable on front side of desktop or side.Remaining embodiment one It is identical.

Embodiment five:

As shown in figures 13-16.

A kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it includes desktop 1, at least two lifting legs with hydraulic-driven 2 and a power source leg 3 servo-actuated as driving lifting leg 2, power source leg 3 either can be used in embodiment one to four Formula, the lifting leg 2 are made of hydraulic cylinder and piston rod, and the rod chamber of first hydraulic cylinder and second hydraulic cylinder have bar Chamber is connected, and the rodless cavity of second hydraulic cylinder is connected with the rodless cavity of third hydraulic cylinder, and third hydraulic cylinder has bar Chamber is connected with the rod chamber of the 4th hydraulic cylinder, and so on, the rodless cavity of the last one hydraulic cylinder and first hydraulic cylinder Rodless cavity be connected；And each hydraulic cylinder installs (such as Figure 16) by positive and negative, positive and negative order；When power source leg 3 rise or under Desktop 1 is driven to rise or fall when drop, desktop 1 rises or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, thus real Now each lifting leg 2, which synchronizes, rises or falls.In order to realize that rod chamber is connected with rod chamber, rodless cavity is connected with no chamber bar, it is each just The hydraulic cylinder (rear end is upward, and tailpiece of the piston rod is downward) of dress is intended to realize that two or more lifting legs 2 are same by an auxiliary body Moved further, the specific structures of the two lifting legs designed with the principle of Figure 15 as shown in Figure 13,14, Figure 13, in 14 except left side Lifting leg 2 is fixed on pedestal 4 with the hydraulic cylinder that power source leg 3 goes up and down the lifting leg 2 on the right side of forming outside by transiting rod 14, Piston rod 16 is connected with the one end for the connection sleeve 15 being sleeved on hydraulic cylinder 17, and the other end and the desktop 1 for connecting sleeve 15 are solid It is fixed to be connected.From Figure 13 and 14 it is found that the hydraulic cylinder of the left and right sides using a positive and a negative to by the way of installation.

When needing to be increased to the state on the right side of Figure 13 from the state on the left of Figure 13, power source leg 3, which rises, drives left side Piston rod 16 rises, and the hydraulic medium in rod chamber is pressed against in the rod chamber of right side hydraulic cylinder, forces piston rod 16 to moving up Dynamic, piston rod 16 drives connection sleeve 15 to move up to push desktop is synchronous to rise, when decline, from Figure 14 the second from left face angle It is exactly the opposite when state on the right side of state to Figure 14.Its principle is as shown in figure 15.

Embodiment six.

As shown in figure 16.

The difference of the present embodiment and embodiment five is the hydraulic cylinder for having multiple a positive and a negative installations, principle such as Figure 16 institute Show.

Embodiment seven.

As shown in Figure 10,12.

The difference between this embodiment and the first embodiment lies in driving a plurality of lifting leg synchronization lifting, Figure 10 using multiple hydraulic cylinders Using the equidirectional installation of multiple hydraulic cylinders, Figure 12 is using the forward and reverse installation of multiple hydraulic cylinders.

The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.

Claims

1. a kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop (1), at least two with hydraulic-driven Lifting leg (2) and a power source leg (3) servo-actuated as driving lifting leg, the lifting leg (2) is by hydraulic cylinder and work Stopper rod composition, the rod chamber of first hydraulic cylinder is connected with the rodless cavity of second hydraulic cylinder, and second hydraulic cylinder has bar Chamber is connected with the rodless cavity of third hydraulic cylinder, and the rod chamber of third hydraulic cylinder is connected with the rodless cavity of the 4th hydraulic cylinder It is logical, and so on, the rod chamber of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder；When power source leg (3) When rising or falling drive desktop (1) rise or fall, desktop (1) rise or fall drives each hydraulic cylinder piston rod elongation or Shorten, is risen or fallen to realize that each lifting leg (2) synchronizes.

2. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, it is characterized in that the hydraulic cylinder Tongfang Desktop (1) lower part is mounted on to installation or by the order of a positive and a negative.

3. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, it is characterized in that the hydraulic cylinder formal dress When, rear end is connected with desktop (1), and piston rod is connected with pedestal (4).

4. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 3, it is characterized in that the nothing of the hydraulic cylinder Rod end is connected by lengthening fupport arm (5) with desktop (1), and piston rod is connected with pedestal (4).

5. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, fills it is characterized in that the hydraulic cylinder is counter When, piston rod is connected with desktop (1), and rear end is connected with pedestal (4)；The piston rod of the hydraulic cylinder passes through extension arm Support (5) is connected with desktop (1), and rear end is connected with pedestal (4).

6. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, it is characterized in that the lifting leg (2) Side is mounted on power source leg (3) to realize the lifting of any position control lifting leg.

7. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1 or 6, it is characterized in that the power source leg It (3) is individual wind elevating mechanism, pedal type lifting mechanism, manual machine force transmission mechanism, an individual motor lifting Mechanism or motor force transmission mechanism, an individual gas or surge expansion link mechanism or an individual gas or mechanical drawing-pressing spring The combination of mechanism or the mechanism；By hydraulic soft between the rod chamber of one hydraulic cylinder and the rodless cavity of another hydraulic cylinder Pipe is connected；Medium in the hydraulic cylinder is pure water, the pure water added with anti-icing fluid, automotive antifreezing liquid or hydraulic oil；It saves The power source leg (3) is removed, with an individual electric hydraulic pump or hydraulic motor or Manual hydraulic pump or Manual hydraulic horse It reaches and is equipped with reversal valve or shut-off valve directly drives piston rod and moves in hydraulic cylinder.

8. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 1, it is characterized in that going up and down leg (2) as driving Servo-actuated power source leg (3), can be provided separately be servo-actuated lifting leg (2) can also merge as two individual table legs It is set as an individual table leg system.

9. a kind of hydraulic auxiliary dynamic synchronization lifting table of single power source, it is characterized in that it includes desktop (1), at least two with hydraulic-driven Lifting leg (2) and a power source leg (3) servo-actuated as driving lifting leg, the lifting leg (2) is by hydraulic cylinder and work Stopper rod composition, the rod chamber of first hydraulic cylinder is connected with the rod chamber of second hydraulic cylinder, second hydraulic cylinder without bar Chamber is connected with the rodless cavity of third hydraulic cylinder, and the rod chamber of third hydraulic cylinder is connected with the rod chamber of the 4th hydraulic cylinder It is logical, and so on, the rodless cavity of the last one hydraulic cylinder is connected with the rodless cavity of first hydraulic cylinder；And each hydraulic cylinder is pressed Positive and negative, positive and negative order installation；Desktop (1) is driven to rise or fall when power source leg (3) rises or falls, desktop (1) Rise or lower rise drives the piston rod of each hydraulic cylinder to elongate or shorten, is risen or fallen to realize that each lifting leg (2) synchronizes.

10. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 9, it is characterized in that the hydraulic cylinder formal dress When, each hydraulic cylinder (17) is fixed on pedestal (4) directly or by transiting rod (14), piston rod (16) and is sleeved on hydraulic cylinder Connection sleeve (15) one end be connected, connection sleeve (15) the other end be fixedly linked with desktop (1).

11. the hydraulic auxiliary dynamic synchronization lifting table of single power source according to claim 9, it is characterized in that going up and down leg as driving (2) servo-actuated power source leg (3), can be provided separately be servo-actuated lifting leg (2) can also as two individual table legs Merging is set as an individual table leg system.