CN205001264U - High pressure air spring - Google Patents
High pressure air spring Download PDFInfo
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- CN205001264U CN205001264U CN201520795941.9U CN201520795941U CN205001264U CN 205001264 U CN205001264 U CN 205001264U CN 201520795941 U CN201520795941 U CN 201520795941U CN 205001264 U CN205001264 U CN 205001264U
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Abstract
The utility model discloses a high pressure air spring, it relates to engineering machinery technical field. The cylinder body design is circular, be equipped with piston rod and piston in the cylinder body, the one end and the hinge joint of piston rod, the other end stretches out in the one end of cylinder body, the one end of stretching out is provided with first rings, the upper portion of cylinder body links to each other with the cylinder end, the cylinder cap is fixed the cylinder end in the cylinder body, the other end of cylinder body is provided with the second rings, the piston is two cavitys with cylinder body internal partitioning, be provided with the piston rod in one of them cavity, for the lower part cavity, there is not the piston rod in another cavity, for the upper portion cavity, be provided with a seal structure between piston and the cylinder body, upper portion cavity and lower part cavity be used for keeping apart, and has the characteristics of simple structure, therefore, the carrier wave prepaid electric energy meter is low in cost, maintenance period is long, can use high -pressure nitrogen gas work completely, can directly attach high pressure air spring's in the engineering machinery structure uses the reservoir compartment of self lubricated, need not to connect the hydraulic system of machinery, increase the complexity of structure.
Description
Technical field
The utility model relates to high pressure air spring, belongs to technical field of engineering machinery.
Background technique
Engineering machinery in the course of the work, the power of motor is utilized to carry out lifting equipment, such as hydraulic shovel, equipment is given rise to high-altitude when falling again, not only the huge potential energy of equipment in this position is not used, the power of motor also to be leaned on to control it, consume the energy in vain.The weight of its equipment accounts for 1/4 of the weight of excavator own, and during the every task of excavator, the weight because of lifting equipment needs to consume a lot of energy, and excavator will carry out work when overcoming this energy loss, substantially reduces the efficiency of construction.This model utility utilizes nitrogen lifting equipment, solves the deadweight problem of machine work device, adds the lifting dynamics of machinery, effectively reduces the output power of motor, saved job costs.
Traditional oil hydraulic cylinder is that the mechanical energy that the oil liquid pressure utilizing oil hydraulic pump to input can be changed carries out work, and oil hydraulic pump then needs to be connected with engine flywheel shell by coupling, relies on the power that motor exports, and drives hydraulic pump works.The double action oil hydraulic cylinder of the oil hydraulic cylinder employing of a lot of engineering machinery, the motion of double action hydraulic cylinder piston both direction then replaces oil-feed by two chambeies, being used for by hydraulic coupling.During mechanical lift, make cylinder realize unidirectional motion by hydraulic coupling, motion (i.e. mechanical down maneuver) in the other direction then cannot rely on mechanical deadweight to realize, and needs the power relying on motor to export to move in the other direction.The hydraulic coupling that motion (i.e. mechanical down maneuver) needs in the other direction is unnecessary, wastes the resource that motor exports.
There is a kind of gas-oil hybrid cylinder in the market for excavator, it is by the hydraulic system of change excavator, oil return when being declined by digger operating device flows to accumulator, when digger operating device does lifting action, the power system of accumulator and excavator is jointly to equipment fuel feeding; Still need the power utilizing motor when its shortcoming is that excavator works, at utmost do not reduce the working power of motor; And can not directly add on board a dredger, for the excavator in use, need the hydraulic system changing excavator core.
Summary of the invention
For the problems referred to above, the technical problems to be solved in the utility model is to provide high pressure air spring.
High pressure air spring of the present utility model, it comprises cylinder body, piston, piston rod, cylinder head, high-voltage energy-storage tank, upper chamber, lower cavity, reservoir compartment, oilhole, air inlet/outlet, natural ventilation hole, gas cleaner, pressure gauge, first suspension ring, second suspension ring, first Glais ring, guidance tape, raft, second Glais ring, buffering envelope, dust seal, cylinder cap, high-pressure safety valve, valve inside and stop valve, tank design is round shape, piston rod and piston is provided with in cylinder body, one end of piston rod is connected with piston, the other end stretches out in one end of cylinder body, the one end of stretching out is provided with the first suspension ring, the top of cylinder body is connected with cylinder head, cylinder head is fixed in cylinder body by cylinder cap, the other end of cylinder body is provided with the second suspension ring, cylinder interior is divided into two cavitys by piston, piston rod is provided with in one of them cavity, for lower cavity, piston rod is not had in another cavity, for upper chamber, the first sealing configuration is provided with between piston and cylinder body, for isolating upper chamber and lower cavity, the second sealing configuration is provided with between piston rod and cylinder head, the top of piston and the top of cylinder head are provided with reservoir compartment, two oilholes are provided with between cylinder head and piston rod, reservoir compartment and the second sealing configuration can be communicated with.
As preferably, the first described sealing configuration comprises the first Glais ring, two guidance tapes and two rafts, and the first Glais ring is arranged in the middle groove of piston, and two guidance tapes are arranged on the both sides of the first Glais ring, and two rafts are arranged on the both sides of guidance tape.
As preferably, the second described sealing configuration comprises a dust seal, the second Glais ring and a buffering envelope, and dust seal is arranged on the side of cylinder head away from piston, and the second Glais ring is arranged on the centre of dust seal and buffering envelope.
As preferably, the position that the outer wall of described cylinder body is parallel with cylinder head upper end is provided with natural ventilation hole, and natural ventilation hole is connected with gas cleaner, ventilating air.
As preferably, the outer wall top of described cylinder body is provided with air inlet/outlet, be connected with high-voltage energy-storage tank, installation high-voltage safety valve between high-voltage energy-storage tank and air inlet/outlet, high-voltage energy-storage tank is used for entering and discharge of nitrogen, and high-voltage energy-storage tank has high pressure nitrogen, as Power supply air spring, high-pressure safety valve is when nitrogen pressure off-rating, and the automatic release portion nitrogen of high-pressure safety valve, ensures optimum efficiency and the Security of high pressure air spring.
As preferably, in described high-voltage energy-storage tank, being provided with pressure gauge, for measuring the real-time pressure of high-voltage energy-storage tank, and debugging out the best convenient pressure of this project machinery.
As preferably, described high-voltage energy-storage tank is provided with valve inside, for supplementing nitrogen in energy storage tank.
As preferably, the connecting pipeline of described air inlet/outlet and high-voltage energy-storage tank is provided with stop valve, when high pressure air spring needs to close nitrogen, opens stop valve, stop nitrogen circulation, be beneficial to the maintenance of high pressure air spring.
The beneficial effects of the utility model: it can overcome the drawback of prior art, structure is simple, with low cost, maintenance period is long, high pressure nitrogen work can be used completely, the structure that directly can be attached to high pressure air spring in engineering machinery uses the reservoir compartment's lubrication of self, without the need to connecting the hydraulic system of machinery, increases the complexity of structure.
accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is the utility model structural representation;
Fig. 2 is the piston structure schematic diagram of the utility model high pressure air spring;
Fig. 3 is the cylinder head structure schematic diagram of the utility model high pressure air spring.
1-cylinder body; 2-piston; 3-piston rod; 4-cylinder head; 5-high-voltage energy-storage tank; 6-upper chamber; 7-lower cavity; 8-reservoir compartment; 9-oilhole; 10-air inlet/outlet; 11-natural ventilation hole; 12-gas cleaner; 13-pressure gauge; 14-first suspension ring; 15-second suspension ring; 16-first Glais ring; 17-guidance tape; 18-raft; 19-second Glais ring; 20-cushions envelope; 21-dust seal; 22-cylinder cap; 23-high-pressure safety valve; 24-valve inside; 25-stop valve.
embodiment:
As Figure 1-3, this embodiment by the following technical solutions: it comprises cylinder body 1, piston 2, piston rod 3, cylinder head 4, high-voltage energy-storage tank 5, upper chamber 6, lower cavity 7, reservoir compartment 8, oilhole 9, air inlet/outlet 10, natural ventilation hole 11, gas cleaner 12, pressure gauge 13, first suspension ring 14, second suspension ring 15, first Glais ring 16, guidance tape 17, raft 18, second Glais ring 19, buffering envelope 20, dust seal 21, cylinder cap 22, high-pressure safety valve 23, valve inside 24 and stop valve 25, cylinder body 1 is designed to round shape, is provided with piston rod 3 and piston 2 in cylinder body 1, and one end of piston rod 3 is connected with piston 2, the other end stretches out in one end of cylinder body 1, the one end of stretching out is provided with the first suspension ring 14, and the top of cylinder body 1 is connected with cylinder head 4, and cylinder head 4 is fixed in cylinder body 1 by cylinder cap 22, the other end of cylinder body 1 is provided with the second suspension ring 15, cylinder body 1 interior separation is two cavitys by piston 2, is provided with piston rod 3 in one of them cavity, is lower cavity 7, not having piston rod 3 in another cavity, is upper chamber 6, the first sealing configuration a is provided with between piston 2 and cylinder body 1, for isolating upper chamber 6 and lower cavity 7, the second sealing configuration b is provided with between piston rod 3 and cylinder head 4, the top of piston 2 and the top of cylinder head 4 are provided with reservoir compartment 8, be provided with two oilholes 9 between cylinder head 4 and piston rod 3, reservoir compartment 8 and the second sealing configuration b can be communicated with.
As preferably, the first described sealing configuration a comprises the first Glais ring 16, two guidance tapes 17 and two rafts 18, first Glais ring 16 is arranged in the middle groove of piston 2, and two guidance tapes 17 are arranged on the both sides of the first Glais ring 16, and two rafts 18 are arranged on the both sides of guidance tape 17;
As preferably, the second described sealing configuration b comprises a dust seal 21, second Glais ring 19 and a buffering envelope 20, and dust seal 21 is arranged on the side of cylinder head 4 away from piston 2, and the second Glais ring 19 is arranged on the centre of dust seal 21 and buffering envelope 20.
As preferably, the position that the outer wall of described cylinder body 1 is parallel with cylinder head 4 upper end is provided with natural ventilation hole 11, and natural ventilation hole 11 is connected with gas cleaner 12, ventilating air.
As preferably, the outer wall top of described cylinder body 1 is provided with air inlet/outlet 10, be connected with high-voltage energy-storage tank 5, installation high-voltage safety valve 23 between high-voltage energy-storage tank 5 and air inlet/outlet 10, high-voltage energy-storage tank is used for entering and discharge of nitrogen, and high-voltage energy-storage tank 5 has high pressure nitrogen, as Power supply air spring, high-pressure safety valve 23 is when nitrogen pressure off-rating, and high-pressure safety valve 23 is release portion nitrogen automatically, ensures optimum efficiency and the Security of high pressure air spring.
As preferably, in described high-voltage energy-storage tank 5, being provided with pressure gauge 13, for measuring the real-time pressure of high-voltage energy-storage tank 5, and debugging out the best convenient pressure of this project machinery.
As preferably, described high-voltage energy-storage tank 5 is provided with valve inside 24, for supplementing nitrogen in energy storage tank.
As preferably, described air inlet/outlet 10 and the connecting pipeline of high-voltage energy-storage tank 5 are provided with stop valve 25, when high pressure air spring needs to close nitrogen, open stop valve 25, stop nitrogen circulation, be beneficial to the maintenance of high pressure air spring.
This embodiment can at high-voltage energy-storage tank 5 place, electronic control module is installed, and the device such as GPS positioning control module, for controlling the release of nitrogen more accurately, and the opening of telecontrol nitrogen and the adjustment of nitrogen pressure, and in real time by air spring information transmission to mobile phone or computer; And the quantity of this embodiment mesohigh air spring, volume, length, diameter are according to the difference of engineering machinery model, can arrange, can be one or more; In this embodiment, the size of air inlet/outlet 10 and shape design according to the volume of high pressure air spring, position can on left side or right side, structure according to machinery is arranged, the high pressure air spring one end of this embodiment is attached on the large frame of engineering machinery, the other end is connected with engineering machinery large arm, but not is only limitted to connect large arm or large frame; And the position that this embodiment mesohigh air spring is connected with engineering machinery, can be fixedly connected with, also can be detachable connection; The position connected can be the inside of engineering machinery, also can be the bottom of large arm, or on the common shaft of oil cylinder of big arm of digger; And the fluid in this embodiment in reservoir compartment 8 is designed to hydraulic oil, different according to the field used, can design; The bottom cushioning envelope 20 in second sealing configuration a increases one or more guide sleeve; And Glais ring can change material according to sealing configuration; The volume profiles of high-voltage energy-storage tank 5 and volume are arranged according to the usage requirement of air spring, can be one or more, and capacity can greatly can be little.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. high pressure air spring, is characterized in that: it comprises cylinder body (1), piston (2), piston rod (3), cylinder head (4), high-voltage energy-storage tank (5), upper chamber (6), lower cavity (7), reservoir compartment (8), oilhole (9), air inlet/outlet (10), natural ventilation hole (11), gas cleaner (12), pressure gauge (13), first suspension ring (14), second suspension ring (15), first Glais ring (16), guidance tape (17), raft (18), second Glais ring (19), buffering envelope (20), dust seal (21), cylinder cap (22), high-pressure safety valve (23), valve inside (24) and stop valve (25), cylinder body (1) is designed to round shape, piston rod (3) and piston (2) is provided with in cylinder body (1), one end of piston rod (3) is connected with piston (2), the other end stretches out in the one end of cylinder body (1), the one end of stretching out is provided with the first suspension ring (14), the top of cylinder body (1) is connected with cylinder head (4), cylinder head (4) is fixed in cylinder body (1) by cylinder cap (22), the other end of cylinder body (1) is provided with the second suspension ring (15), cylinder body (1) interior separation is two cavitys by piston (2), piston rod (3) is provided with in one of them cavity, for lower cavity (7), piston rod (3) is not had in another cavity, for upper chamber (6), the first sealing configuration (a) is provided with between piston (2) and cylinder body (1), the second sealing configuration (b) is provided with between piston rod (3) and cylinder head (4), the top of piston (2) and the top of cylinder head (4) are provided with reservoir compartment (8), two oilholes (9) are provided with between cylinder head (4) and piston rod (3), reservoir compartment (8) and the second sealing configuration (b) can be communicated with.
2. according to high pressure air spring according to claim 1, it is characterized in that: the first described sealing configuration (a) comprises the first Glais ring (16), two guidance tapes (17) and two rafts (18), first Glais ring (16) is arranged in the middle groove of piston (2), two guidance tapes (17) are arranged on the both sides of the first Glais ring (16), and two rafts (18) are arranged on the both sides of guidance tape (17).
3. according to high pressure air spring according to claim 1, it is characterized in that: the second described sealing configuration (b) comprises a dust seal (21), the second Glais ring (19) and buffering envelope (20), dust seal (21) is arranged on the side of cylinder head (4) away from piston (2), and the second Glais ring (19) is arranged on the centre of dust seal (21) and buffering envelope (20).
4. according to high pressure air spring according to claim 1, it is characterized in that: the position that the outer wall of described cylinder body (1) is parallel with cylinder head (4) upper end is provided with natural ventilation hole (11), and natural ventilation hole (11) are connected with gas cleaner (12).
5. according to high pressure air spring according to claim 1, it is characterized in that: the outer wall top of described cylinder body (1) is provided with air inlet/outlet (10), be connected with high-voltage energy-storage tank (5), installation high-voltage safety valve (23) between high-voltage energy-storage tank (5) and air inlet/outlet (10).
6. according to high pressure air spring according to claim 1, it is characterized in that: be provided with pressure gauge (13) in described high-voltage energy-storage tank (5), high-voltage energy-storage tank (5) is provided with valve inside (24).
7. according to high pressure air spring according to claim 1, it is characterized in that: described air inlet/outlet (10) and the connecting pipeline of high-voltage energy-storage tank (5) are provided with stop valve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520795941.9U CN205001264U (en) | 2015-10-13 | 2015-10-13 | High pressure air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520795941.9U CN205001264U (en) | 2015-10-13 | 2015-10-13 | High pressure air spring |
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| Publication Number | Publication Date |
|---|---|
| CN205001264U true CN205001264U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520795941.9U Active CN205001264U (en) | 2015-10-13 | 2015-10-13 | High pressure air spring |
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| CN (1) | CN205001264U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429944A (en) * | 2016-11-01 | 2017-02-22 | 沈阳双壹市政工程有限公司 | Gas lifting jack for excavator |
| CN108895054A (en) * | 2018-07-27 | 2018-11-27 | 深圳市博瓦克气动技术有限公司 | A kind of cylinder |
-
2015
- 2015-10-13 CN CN201520795941.9U patent/CN205001264U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429944A (en) * | 2016-11-01 | 2017-02-22 | 沈阳双壹市政工程有限公司 | Gas lifting jack for excavator |
| CN106429944B (en) * | 2016-11-01 | 2019-02-15 | 沈阳双壹市政工程有限公司 | A kind of gas lifting jack for excavator |
| CN108895054A (en) * | 2018-07-27 | 2018-11-27 | 深圳市博瓦克气动技术有限公司 | A kind of cylinder |
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