Hydraulic block of overhead working truck

Abstract

The hydraulic block comprises a first valve block main body and a second valve block main body, oil inlet pipelines, oil return pipelines and oil outlet pipelines are arranged in the first valve block main body and the second valve block main body, an annular limiting groove is formed in the first valve block main body, and a disc block is fixedly connected in the annular limiting groove. A convex connecting block is arranged outside the disc block, an inner connecting block is connected to the outer portion of the convex connecting block in a clamped mode, an alignment disc is fixedly connected to the side surface of the inner connecting block, and a cylinder is fixedly connected to the side surface of the alignment disc. By means of the structure, the convex connecting blocks of the disc body and the inner connecting blocks of the alignment disc are rotationally clamped, meanwhile, the abutting blocks can be clamped into the caulking grooves along with pushing, overall splicing is firmer, connecting pipelines and pipe joints of the spliced valve blocks are reduced, replacement of the single valve blocks is more convenient, the whole system does not need to be disassembled, and cost is reduced. Therefore, the maintenance cost and time are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic block technical field, especially a kind of high-altitude working vehicle hydraulic block. BACKGROUND

[0002] The hydraulic block on high-altitude working vehicle is the core component of hydraulic system, responsible for controlling liquid flow and pressure, the inside of hydraulic valve block is equipped with oil return channel, through multiple groups of filter tube, hydraulic oil is coarsely and finely filtered, prevent impurities from entering hydraulic system, affect control accuracy, such as Chinese patent discloses hydraulic valve block, its application number is: CN201920492586.6, it avoids the situation of temporary opening and thinning oil path even punching oil path by prefabricating rivet hole, reduces scrap and use risk, but hydraulic valve block cannot be spliced, the layout and function of valve block cannot be flexibly adjusted according to actual demand, leading to lack of adaptability of system design, when internal fault of single valve block occurs, it needs to be replaced as a whole, increases maintenance difficulty and cost. SUMMARY

[0003] The utility model discloses a kind of high-altitude working vehicle hydraulic block, the convex joint block of disc body is rotated and engaged with the inner joint block of alignment disc, while the block is also pushed into embedded groove, so that the splicing of whole is more firm, the use of connecting pipeline and pipe joint is reduced after splicing valve block, so that the replacement of single valve block is more convenient, without disassembling entire system, so as to reduce maintenance cost and time.

[0004] The utility model also provides with above-mentioned one kind high-altitude working vehicle hydraulic block, it includes: first valve block main part and second valve block main body, the inside of first valve block main part and second valve block main body is provided with oil inlet pipeline, oil return pipeline and oil outlet pipeline, the outside of first valve block main part is provided with the oil inlet that is linked with oil inlet pipeline, the side surface of first valve block main part is provided with the oil return that is linked with oil return pipeline, the side surface of first valve block main part is provided with the oil outlet that is linked with oil outlet pipeline;The inside of first valve block main part is provided with annular limit slot, annular limit slot is fixedly connected with disc block in the inside, the outside of disc block is provided with convex joint block, the outside of convex joint block is engaged and connected with inner joint block, the side surface of inner joint block is fixedly connected with alignment disc, the side surface of alignment disc is fixedly connected with cylinder, the outside of cylinder is slidably connected with second valve block main body.Convex joint block of disc body is rotated and engaged with the inner joint block of alignment disc, while the block is also pushed into embedded groove, so that the splicing of whole is more firm, the use of connecting pipeline and pipe joint is reduced after splicing valve block, so that the replacement of single valve block is more convenient, without disassembling entire system, so as to reduce maintenance cost and time.

[0005] The utility model discloses a high altitude operation vehicle hydraulic block, the first valve block main body's outside is provided with the pressure measuring hole that links with the oil inlet pipeline intercommunication, the first valve block main body's side surface is provided with the cooling oil port that links with the oil return pipeline intercommunication, the first valve block main body and second valve block main body have same pipeline structure. The pressure measuring hole can be used for real time monitoring oil pressure in the hydraulic system through installing instrument, and the cooling oil port can introduce the oil return into the cooling system, reduces the temperature of hydraulic oil, prevents system from failing due to overheating.

[0006] The utility model discloses a high altitude operation vehicle hydraulic block, disc block and alignment disc all are provided with two and symmetrical distribution, two disc blocks are located at the both ends of first valve block main body, and two alignment discs are located at the both ends of second valve block main body. The butt joint of disc block and alignment disc makes the splicing of first valve block main body and second valve block main body more convenient, and also facilitates disassembly and maintenance.

[0007] The utility model discloses a high altitude operation vehicle hydraulic block, the annular limiting groove inside of first valve block main body is provided with through -hole, the inside fixedly connected with elastic piece of through -hole, the end fixedly connected with the resistance block of elastic piece, the inner joint block of alignment disc is connected through the slot and resistance block. Because resistance block has the inclined surface, under the action of elastic piece, make the inner joint block can push resistance block upward, after disc block rotates to certain angle to make resistance block can be inserted into the slot of inner joint block.

[0008] The utility model discloses a high altitude operation vehicle hydraulic block, the outside fixedly connected with the stirring block of resistance block, the outside sliding connection of stirring block and first valve block main body through the sliding slot. But need to remove the splicing effect, move stirring block along the sliding slot upward to make stirring block can drive resistance block from the slot and fall off.

[0009] The utility model discloses a high altitude operation vehicle hydraulic block, the outside of first valve block main body and second valve block main body all is provided with the anticorrosive layer, and the bottom of first valve block main body and second valve block main body all is provided with the buffer pad. The anticorrosive layer can effectively protect the valve block main body from the corrosion of corrosive substances in the environment, prolong the service life of the valve block, and the buffer pad can absorb and alleviate the vibration and impact received by the valve block during operation.

[0010] The utility model discloses a high altitude operation vehicle hydraulic block, the outside of the cylinder is provided with the spring, one end of spring is connected with alignment disc rotation, the other end of spring is fixedly connected with second valve block main body. Through spring, the cylinder can be reset after moving, and the tightness of the connection can also be improved.

[0011] The utility model discloses a high altitude operation vehicle hydraulic block, the inside of alignment disc is attached with disc block, and the end of cylinder is provided with adjusting part.

[0012] Beneficial effects: compared with prior art, the novel high altitude operation vehicle hydraulic block, the convex joint block of disc body and the inner joint block of alignment disc are rotated and clamped, and the resisting block is also pushed into the embedded groove, so that the overall splicing is more firm, the valve block after splicing reduces the use of connecting pipeline and pipe joint, so that the replacement of single valve block is more convenient, and the whole system does not need to be disassembled, thereby reducing the maintenance cost and time. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further illustrated below in connection with the drawings and examples.

[0014] Figure 1 It is the complete structure diagram of high altitude operation vehicle hydraulic block of the utility model.

[0015] Figure 2 It is the internal pipeline structure diagram of high altitude operation vehicle hydraulic block of the utility model.

[0016] Figure 3 It is the sectional structure diagram of high altitude operation vehicle hydraulic block of the utility model.

[0017] Figure 4 It is the splicing mechanism structure diagram of high altitude operation vehicle hydraulic block of the utility model.

[0018] Figure 5 It is the alignment disc and inner joint block structure diagram of high altitude operation vehicle hydraulic block of the utility model.

[0019] Figure 6 It is the disc body and convex joint block structure diagram of high altitude operation vehicle hydraulic block of the utility model.

[0020] Legend:

[0021] 1, first valve block main body, 2, second valve block main body, 3, oil inlet pipeline, 4, oil return pipeline, 5, oil outlet pipeline, 6, oil inlet, 7, oil return, 8, oil outlet, 9, annular limit groove, 10, disc block, 11, convex joint block, 12, inner joint block, 13, alignment disc, 14, cylinder, 15, pressure measuring port, 16, cooling oil port, 17, through -hole, 18, elastic part, 19, resisting block, 20, embedded groove, 21, push block, 22, sliding slot, 23, anticorrosive layer, 24, buffer pad, 25, spring, 26, adjusting part. DETAILED DESCRIPTION

[0022] The detailed embodiments of the utility model will be described in detail in this part, the preferred embodiment of the utility model is shown in the drawings, the function of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Referring to Figures 1-6 The utility model discloses an aerial work platform hydraulic block, it includes: first valve block main body 1 and second valve block main body 2, the inside of first valve block main body 1 and second valve block main body 2 is provided with oil inlet pipeline 3, oil return pipeline 4 and oil outlet pipeline 5, the outside of first valve block main body 1 is provided with the oil inlet 6 of being linked with oil inlet pipeline 3, the lateral surface of first valve block main body 1 is provided with the oil return 7 of being linked with oil return pipeline 4, the lateral surface of first valve block main body 1 is provided with the oil outlet 8 of being linked with oil outlet pipeline 5, the outside of first valve block main body 1 is provided with the pressure measuring port 15 of being linked with oil inlet pipeline 3, the lateral surface of first valve block main body 1 is provided with the cooling oil port 16 of being linked with oil return pipeline 4, first valve block main body 1 and second valve block main body 2 have the same pipeline structure;

[0024] Specifically, the oil inlet 6 of first valve block main body 1 can provide necessary hydraulic oil source. Meanwhile, its oil return 7 is connected with oil return pipeline 4, which can recycle used hydraulic oil to maintain the cleanliness and efficiency of the system, and the oil outlet 8 can ensure that the hydraulic oil can be accurately delivered to the required position. In addition, the pressure measuring port 15 can monitor the pressure of the oil inlet pipeline 3 in real time by installing a pressure gauge, and the cooling oil port 16 introduces hydraulic oil into the cooling system, which helps to cool the hydraulic oil and prevent the system from overheating.

[0025] The inside of first valve block main body 1 is provided with an annular limiting groove 9, the annular limiting groove 9 is fixedly connected with a disc block 10 inside, the outside of the disc block 10 is provided with a convex joint block 11, the outside of the convex joint block 11 is hingedly connected with an inner joint block 12, the lateral surface of the inner joint block 12 is fixedly connected with a positioning disc 13, the lateral surface of the positioning disc 13 is fixedly connected with a cylinder 14, the outside of the cylinder 14 is slidingly connected with the second valve block main body 2, and the disc block 10 and the positioning disc 13 are both provided with two and symmetrically distributed, two disc blocks 10 are located at both ends of the first valve block main body 1, and two positioning discs 13 are located at both ends of the second valve block main body 2.

[0026] Specifically, the disc block 10 and the positioning disc 13 are mutually adhered, then the cylinder 14 is rotated through the adjusting part 26, so as to drive the positioning disc 13 to rotate, and the inner joint block 12 of the positioning disc 13 can be hingedly connected with the convex joint block 11 of the disc block 10.

[0027] The annular limiting groove 9 of the first valve block body 1 is internally provided with a through hole 17, the through hole 17 is fixedly connected with an elastic element 18 internally, the end of the elastic element 18 is fixedly connected with a resisting block 19, the inner joint block 12 of the alignment disc 13 is clamped and connected with the resisting block 19 through an embedded groove 20, the resisting block 19 is fixedly connected with a pushing block 21 externally, the pushing block 21 is slidingly connected with the first valve block body 1 through a sliding groove 22 externally, the outer portion of the cylinder 14 is provided with a spring 25, one end of the spring 25 is rotatably connected with the alignment disc 13, the other end of the spring 25 is fixedly connected with the second valve block body 2, the inner portion of the alignment disc 13 is attached with the disc block 10, the end of the cylinder 14 is provided with an adjusting portion 26, the outer portions of the first valve block body 1 and the second valve block body 2 are both provided with an anti-corrosion layer 23, the bottoms of the first valve block body 1 and the second valve block body 2 are both provided with a buffer pad 24.

[0028] Specifically, when a single valve block needs to be replaced, the pushing block 21 is pushed to make the resisting block 19 fall off the embedded groove 20, and then the alignment disc 13 is rotated to separate the disc block 10.

[0029] Working principle: firstly, the first valve block body 1 and the second valve block body 2 are butted to make the disc block 10 and the alignment disc 13 mutually attached, then the cylinder 14 is rotated through the adjusting portion 26 to drive the alignment disc 13 to rotate and make the inner joint block 12 clamp the convex joint block 11 of the disc block 10, due to the inclined surface of the resisting block 19, the inner joint block 12 can push the resisting block 19 upward under the action of the elastic element 18, when the disc block 10 is rotated to a certain angle, the resisting block 19 can be clamped into the embedded groove 20 of the inner joint block 12 to make the two more firmly spliced, when a single valve block needs to be replaced, the pushing block 21 is pushed to make the resisting block 19 fall off the embedded groove 20, and then the alignment disc 13 is rotated to separate the disc block 10, in use, the pressure gauge is installed at the pressure measuring port 15 to monitor the oil pressure in the hydraulic system in real time, the cooling oil port 16 can introduce the returned oil into the cooling system to reduce the temperature of the hydraulic oil and prevent the system from failing due to overheating.

[0030] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A hydraulic block for an aerial work platform, characterized in that, The utility model relates to a valve block, including: First valve block body (1) with second valve block body (2), the inside of first valve block body (1) with second valve block body (2) is provided with oil inlet pipeline (3), oil return pipeline (4) and oil outlet pipeline (5), the outside of first valve block body (1) is provided with the oil inlet (6) of oil inlet pipeline (3) intercommunication, the lateral surface of first valve block body (1) is provided with the oil return (7) of oil return pipeline (4) intercommunication, the lateral surface of first valve block body (1) is provided with the oil outlet (8) of oil outlet pipeline (5) intercommunication; The inside of first valve block body (1) is provided with annular limit slot (9), the inside fixedly connected with disc block (10) of annular limit slot (9), the outside of disc block (10) is provided with convex joint block (11), the outside clamping connection with inner joint block (12) of convex joint block (11), the lateral surface fixedly connected with alignment disc (13) of inner joint block (12), the lateral surface fixedly connected with cylinder (14) of alignment disc (13), the outside sliding connection with second valve block body (2) of cylinder (14).

2. The hydraulic block of claim 1, wherein, The outside of first valve block body (1) is provided with pressure measuring port (15) with oil inlet pipeline (3) intercommunication, the lateral surface of first valve block body (1) is provided with cooling oil port (16) with oil return pipeline (4) intercommunication, first valve block body (1) with second valve block body (2) have same pipeline structure.

3. The hydraulic block of claim 2, wherein, Disc block (10) with alignment disc (13) are provided with two and symmetric distribution, two disc block (10) are located at both ends of first valve block body (1), two alignment discs (13) are located at both ends of second valve block body (2).

4. The hydraulic block of claim 1, wherein, The inside of annular limit slot (9) of first valve block body (1) is provided with through -hole (17), the inside fixedly connected with elastic member (18) of through -hole (17), the end fixedly connected with the resistance block (19) of elastic member (18), the inner joint block (12) of alignment disc (13) is clampedly connected with resistance block (19) through the embedded groove (20).

5. The hydraulic block of claim 4, wherein, The outside fixedly connected with the knob (21) of resistance block (19), the outside sliding connection with first valve block body (1) of knob (21) through sliding slot (22).

6. The hydraulic block of claim 1, wherein, The outside of first valve block body (1) with second valve block body (2) is provided with anticorrosive layer (23), the bottom of first valve block body (1) with second valve block body (2) is provided with buffer pad (24).

7. The hydraulic block of claim 1, wherein, The outside of cylinder (14) is provided with spring (25), one end of spring (25) is rotatably connected with alignment disc (13), the other end of spring (25) is fixedly connected with second valve block body (2).

8. The hydraulic block of claim 1, wherein, The inside of alignment disc (13) is attached with disc block (10), and the end of cylinder (14) is provided with an adjusting part (26).

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