Two-cylinder synchronous lifting hydraulic device

Abstract

The utility model discloses a two cylinder synchronous jacking hydraulic device relates to hydraulic hoist technical field, including frock board, both sides of frock board all are provided with roof and bottom plate, and the roof sets up the top of bottom plate, and the bottom of roof is fixedly connected with inner rod, and the top of bottom plate is fixedly connected with outer rod, and inner rod slidingly connects in the outer rod, and one end fixedly connected with rubber plug that inner rod sets up in the outer rod, and rubber plug slidingly connects in the outer rod, and the bottom of outer rod is provided with air hole, and the inside of bottom plate is provided with air valve, and air valve sets up the bottom of outer rod, and air valve is linked together with rubber plug, and the inside of bottom plate is slidingly connected with slide, and the top of frock board is fixedly connected with rack body, and the top of rack body is provided with lifting work plate, and both ends fixedly connected with fixed plate of frock board, solved this device often needs long time work, and movable support passes through long time repeated movement, and if the place of its connection can not carry out lubrication, possibly will lead to its serious wearing and tearing technical problem.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic lifting technical field, concretely is a two cylinder synchronous jacking hydraulic device. BACKGROUND

[0002] Two cylinder synchronous jacking hydraulic device is a kind of equipment widely used in industrial production, and two cylinder synchronous jacking hydraulic device refers to the device for realizing synchronous jacking action by driving two hydraulic cylinders through hydraulic system.The working principle is based on hydraulic transmission principle, utilizes hydraulic pump station to provide power, and realizes the extension and retraction action of hydraulic cylinder by the inlet and outlet of hydraulic cylinder controlled by hydraulic valve.At the same time, the synchronism of two hydraulic cylinders in jacking process is ensured by synchronous control mechanism.

[0003] Through the retrieval, patent document (grant announcement number CN216272938U) includes rack, the both sides of the rack are fixedly installed with hydraulic cylinder support, the hydraulic cylinder support is movably installed with hydraulic cylinder, the top of the rack is sleeved with lifting workbench, the power output end of the hydraulic cylinder is movably connected with the bottom of lifting workbench, the both sides of the rack are also fixedly installed with fixed support and threaded adjusting rod respectively, the threaded adjusting rod is movably sleeved with movable support, the fixed support and movable support are respectively hingedly installed with first connecting rod and second connecting rod, the utility model has the beneficial effects: the lifting of lifting workbench is realized by controlling the oil way of the hydraulic cylinder of the same type on the both sides of rack, even if the hydraulic cylinders of the same type on both sides are out of synchronization due to machining error and other factors, the position of movable support can be adjusted to realize the synchronous lifting effect of the hydraulic cylinders on both sides.

[0004] However, the above-mentioned device still has the following problems:

[0005] This device often needs to work for a long time, and the connecting place of movable support may be seriously worn out if it cannot be lubricated after repeated movement for a long time. UTILITY MODEL CONTENTS

[0006] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a two cylinder synchronous jacking hydraulic device, which solves the problem that the device often needs to work for a long time, and the connecting place of movable support may be seriously worn out if it cannot be lubricated after repeated movement for a long time.

[0007] In order to achieve the above object, the utility model provides a two cylinder synchronous jacking hydraulic device, including tool plate, both sides of tool plate are provided with roof and bottom plate, the roof is provided with the inner rod is fixedly connected with the bottom of roof, the top of bottom plate is fixedly connected with the outer rod, the inner rod is connected in the outer rod, one end fixedly connected with the rubber plug that the inner rod sets in the outer rod, the rubber plug is connected in the outer rod, the bottom of outer rod is provided with air hole, the inside of bottom plate is provided with air valve, the air valve is provided with the bottom of outer rod, the air valve is linked with the rubber plug, the inside of bottom plate is connected with slide plate.

[0008] Preferably, the top of the tool plate is fixedly connected with the rack body, the top of the rack body is provided with the lifting work plate, the both ends of the tool plate are fixedly connected with the fixed plate, the side wall of the tool plate is fixedly connected with the support and the straight plate, the end away from the rack body of the support is fixedly connected at the bottom of the straight plate.

[0009] Preferably, the both ends of the support are fixedly connected with the short plate.

[0010] Preferably, the top of the roof is provided with the hydraulic cylinder support, the hydraulic cylinder support is fixedly connected at the side wall of the tool plate, the top of the hydraulic cylinder support is provided with the hydraulic cylinder body, the hydraulic cylinder body is inserted with the hydraulic cylinder support rod at the top, the hydraulic cylinder body is fixedly connected with the short plate at the top.

[0011] Preferably, the side close to each other of the roof and bottom plate is slidably connected with a pair of fixed sliding blocks, the inside of the fixed sliding block is rotatably connected with the short rod, the end close to each other of a pair of short rods is rotatably connected with the connecting block, the side close to each other of a pair of connecting blocks is fixedly connected with the first spring.

[0012] Preferably, the outside of the inner rod and outer rod is sleeved with the second spring.

[0013] Preferably, the inside of the bottom plate is fixedly connected with a plurality of barrier plates.

[0014] Preferably, the top of the bottom plate is inserted with the spray head, the spray head is communicated with the bottom plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] When the device works, the inner rod will slide in the outer rod, the rubber plug will extrude the gas in the outer rod into the bottom plate through the air hole, with the repeated extrusion of the inner rod, the gas will extrude the slide plate to slide in the bottom plate, so that the slide plate can pressurize the lubricating liquid in the bottom plate to go out, thereby realizing the lubrication of the connecting block and other components, thereby effectively improving the overall service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a front view structural schematic diagram of the utility model;

[0018] Fig. 2 It is a top plate structure schematic diagram of the utility model;

[0019] Fig. 3 It is an outer pole structure schematic diagram of the utility model.

[0020] In the figure: 1, tooling plate;101, fixed plate;102, support pole;103, straight plate;104, lifting work plate;105, short plate;106, rack body;2, hydraulic cylinder body;21, hydraulic cylinder support pole;22, hydraulic cylinder support;3, top plate;31, bottom plate;32, inner pole;321, rubber plug;33, outer pole;34, air hole;35, air valve;36, sliding plate;37, barrier plate;4, fixed sliding block;41, short pole;42, connecting block;43, first spring;44, second spring;5, spray head. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be described below in conjunction with embodiments, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] As Figs. 1-3 Indicated, a two-cylinder synchronous jacking hydraulic device, including tooling plate 1, the top of tooling plate 1 is fixedly connected with rack body 106, the top of rack body 106 is provided with lifting work plate 104, both ends of tooling plate 1 are fixedly connected with fixed plate 101, the side wall of tooling plate 1 is fixedly connected with support pole 102 and straight plate 103, the end of support pole 102 away from rack body 106 is fixedly connected at the bottom of straight plate 103.

[0023] Both ends of support pole 102 are fixedly connected with short plate 105.

[0024] Both sides of tooling plate 1 are provided with top plate 3 and bottom plate 31, top plate 3 is arranged above bottom plate 31, the bottom of top plate 3 is fixedly connected with inner pole 32, the top of bottom plate 31 is fixedly connected with outer pole 33, inner pole 32 is slidingly connected in outer pole 33, the end of inner pole 32 setting in outer pole 33 is fixedly connected with rubber plug 321, rubber plug 321 is slidingly connected in outer pole 33, the bottom of outer pole 33 is provided with air hole 34, the inside of bottom plate 31 is provided with air valve 35, air valve 35 is arranged at the bottom of outer pole 33, air valve 35 is communicated with rubber plug 321, the inside of bottom plate 31 is slidingly connected with sliding plate 36.

[0025] In the device works, the inner rod 32 will slide in the outer rod 33, rubber plug 321 will be squeezed into the outer rod 33 gas through the gas hole 34 into the bottom plate 31, with the inner rod 32 repeatedly extruded gas into the bottom plate 31, these gases will squeeze the slide plate 36 in the bottom plate 31 slide, so that the slide plate 36 can be pressurized out of the lubricating liquid in the bottom plate 31, so as to realize the lubrication of the connecting block 42 and other components, so as to effectively improve the overall service life of the device.

[0026] The inside of the bottom plate 31 is fixedly connected with a plurality of blocking plates 37, the blocking plate 37 is arranged to resist the slide plate 36, so that the slide plate 36 will not move every time the inner rod 32 transports gas, only when the inner rod 32 transports gas to a certain number of times, at this time the gas pressure is strong enough, the blocking plate 37 can no longer block the slide plate 36, at this time the slide plate 36 will break through the restraint of the blocking plate 37 and move, but the slide plate 36 will be blocked by the next blocking plate 37, and the above operation is repeated again, which can greatly reduce the waste of lubricating liquid and avoid repeated injection of lubricating liquid, thereby causing waste of resources.

[0027] The top of the top plate 3 is provided with a hydraulic cylinder support 22, the hydraulic cylinder support 22 is fixedly connected to the side wall of the tool plate 1, the top of the hydraulic cylinder support 22 is provided with a hydraulic cylinder body 2, the top of the hydraulic cylinder body 2 is inserted with a hydraulic cylinder support rod 21, and the top of the hydraulic cylinder body 2 is fixedly connected to the short plate 105.

[0028] The side of the top plate 3 and the bottom plate 31 close to each other is slidably connected with a pair of fixed sliding blocks 4, the inside of the fixed sliding block 4 is rotatably connected with a short rod 41, the ends of the pair of short rods 41 close to each other are rotatably connected with a connecting block 42, and the sides of the pair of connecting blocks 42 close to each other are fixedly connected with a first spring 43.

[0029] The outside of the inner rod 32 and the outer rod 33 is sleeved with a second spring 44.

[0030] The top of the bottom plate 31 is inserted with a spray head 5, the spray head 5 can spray lubricating liquid to the specified position, improve the use efficiency of the lubricating liquid, avoid waste of resources, and the spray head 5 is in communication with the bottom plate 31.

[0031] Working principle: in the device works, the inner rod 32 will slide in the outer rod 33, rubber plug 321 will be squeezed into the outer rod 33 gas through the gas hole 34 into the bottom plate 31, with the inner rod 32 repeatedly extruded gas into the bottom plate 31, these gases will squeeze the slide plate 36 in the bottom plate 31 slide, so that the slide plate 36 can be pressurized out of the lubricating liquid in the bottom plate 31, so as to realize the lubrication of the connecting block 42 and other components.

[0032] The above examples are only used to illustrate the technical method of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A two-cylinder synchronous jacking hydraulic device, characterized by comprising: The utility model provides a kind of tooling plate (1), the both sides of the tooling plate (1) are provided with top plate (3) and bottom plate (31), the top plate (3) is arranged above bottom plate (31), the bottom of the top plate (3) is fixedly connected with inner rod (32), the top of the bottom plate (31) is fixedly connected with outer rod (33), the inner rod (32) is slidingly connected in outer rod (33), one end of the inner rod (32) is fixedly connected with rubber plug (321) being arranged in outer rod (33), the rubber plug (321) is slidingly connected in outer rod (33), the bottom of the outer rod (33) is provided with air hole (34), the inside of the bottom plate (31) is provided with air valve (35), the air valve (35) is arranged at the bottom of outer rod (33), the air valve (35) is communicated with rubber plug (321), the inside of the bottom plate (31) is slidingly connected with slide plate (36).

2. The two-cylinder synchronous lifting hydraulic device according to claim 1, characterized in that, The top of the tooling plate (1) is fixedly connected with rack body (106), the top of the rack body (106) is provided with lifting work plate (104), the both ends of the tooling plate (1) are fixedly connected with fixed plate (101), the side wall of the tooling plate (1) is fixedly connected with support rod (102) and straight plate (103), the end, away from the rack body (106), of the support rod (102) is fixedly connected at the bottom of the straight plate (103).

3. A two-cylinder synchronous lifting hydraulic device according to claim 2, characterized in that, The both ends of the support rod (102) are fixedly connected with short plate (105).

4. A two-cylinder synchronous lifting hydraulic device according to claim 3, characterized in that, The top of the top plate (3) is provided with hydraulic cylinder support (22), the hydraulic cylinder support (22) is fixedly connected at the side wall of the tooling plate (1), the top of the hydraulic cylinder support (22) is provided with hydraulic cylinder body (2), the top of the hydraulic cylinder body (2) is inserted with hydraulic cylinder support rod (21), the top of the hydraulic cylinder body (2) is fixedly connected in short plate (105).

5. The two-cylinder synchronous lifting hydraulic device according to claim 1, characterized in that, The side, close to each other, of the top plate (3) and bottom plate (31) is slidingly connected with a pair of fixed sliding blocks (4), the inside of the fixed sliding block (4) is rotatably connected with short rod (41), the end, close to each other, of a pair of the short rod (41) is rotatably connected with connecting block (42), the side, close to each other, of a pair of the connecting block (42) is fixedly connected with first spring (43).

6. A two-cylinder synchronous lifting hydraulic device according to claim 5, characterized in that The outside of the inner rod (32) and outer rod (33) is sleeved with second spring (44).

7. The dual cylinder synchronous lifting hydraulic device according to claim 1, characterized in that, The inside of the bottom plate (31) is fixedly connected with a plurality of blocking plates (37).

8. The dual cylinder synchronous lifting hydraulic device according to claim 1, characterized in that, The top of the bottom plate (31) is inserted with spray head (5), the spray head (5) is communicated with bottom plate (31).

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