CN213511440U

CN213511440U - Lifting system hydraulic valve block for mine car

Info

Publication number: CN213511440U
Application number: CN202022237992.3U
Authority: CN
Inventors: 朱嘉浩; 朱勇良; 张忠
Original assignee: Xiangyang Kejia Mechanical And Electrical Equipment Co ltd
Current assignee: Xiangyang Kejia Mechanical And Electrical Equipment Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-22
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a lifting system hydraulic valve piece for mine car, concretely relates to hydraulic pressure technical field, including quick fixed knot structure and base, the outside of valve piece is provided with the base, the bottom of base is provided with the mount pad, the inside both sides of mount pad are provided with quick fixed knot and construct, the inside of valve piece is provided with oil and strains the structure, be provided with between base and the mount pad and prevent the shift structure. The utility model discloses a be provided with first lug, the second recess, first recess, spacing hole, second lug and fixed strip, when base and mount pad are connected fixedly, the inside of first lug embedding first recess, the inside of second lug embedding second recess, the upset fixed strip makes its inside circular fixture block buckle into the inside in spacing hole, strengthen base and between fixed connection from the both ends of valve piece, it is inseparabler to make base and mount pad cooperation nested connection like this, prevent that the valve piece during operation from receiving the impact and rocking or shifting, compromise convenience and stability.

Description

Lifting system hydraulic valve block for mine car

Technical Field

The utility model relates to the field of hydraulic technology, specifically be a lifting system hydraulic valve piece for mine car.

Background

With the development of hydraulic technology, more and more automatic machines adopt advanced pneumatic hydraulic systems, a valve block is one of the most basic and indispensable basic parts in the hydraulic technology, the hydraulic valve block is mainly used in an electro-hydraulic servo control system, an oil cylinder is pushed to move by converting an electric signal received from a controller into hydraulic oil, and the hydraulic valve block can be designed into different shapes according to different specific requirements.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional hydraulic valve block of the lifting system for the mine car is fixedly connected by bolts, so that the maintenance is very inconvenient;

(2) after being fixed, the hydraulic valve block of the traditional lifting system for the mine car is easy to shake or shift during working, and the stability is insufficient;

(3) when the traditional hydraulic valve block of the lifting system for the mine car works, the temperature is easily increased and the heating is generated, and impurities are easily infiltrated into the oil hole to influence the smoothness of the oil way.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting system hydraulic valve piece for mine car to propose among the above-mentioned background art after quick fixed easily at the during operation production rock or shift, the not enough problem of stability.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic valve block of a lifting system for a mine car comprises a quick fixing structure and a base, wherein the base is arranged outside the valve block, an installation seat is arranged at the bottom end of the base, the quick fixing structure is arranged on two sides inside the installation seat, an oil filter structure is arranged inside the valve block, and an anti-displacement structure is arranged between the base and the installation seat;

prevent shift structure includes first lug and second recess, first lug and second recess interval set up the bottom at the base, the top interval of mount pad is provided with first recess and second lug, first lug inlays in the inside of first recess, the second lug inlays in the inside of second recess, the intermediate position of mount pad top and base bottom junction is provided with spacing hole, spacing hole is circularly, one side at mount pad both ends articulates there is the fixed strip.

Preferably, a circular fixture block is arranged inside the fixing strip, and the radius of the limiting hole is larger than that of the circular fixture block.

Preferably, quick fixed knot constructs by first inserted bar, slot, second inserted bar, activity groove, expanding spring, gag lever post and hollow rod and constitutes, the slot sets up the inside at the mount pad, the inside of slot transversely runs through there is first inserted bar, the inside of slot is vertical to be run through there is the second inserted bar, the vertical inside that runs through first inserted bar of second inserted bar, the top and the bottom of first inserted bar are provided with the activity groove, the inside of activity groove is provided with expanding spring, expanding spring's inside is provided with gag lever post and hollow rod, gag lever post and first inserted bar fixed connection, the inner wall fixed connection of hollow rod and activity groove.

Preferably, the outer diameter of the limiting rod is smaller than the inner diameter of the hollow rod, and the limiting rod is inserted into the hollow rod.

Preferably, the oil filter structure comprises a fixing piece, a fixing screw, a disc filter and an oil hole, the oil hole is formed in the valve block, the disc filter is arranged in the oil hole, one end of the disc filter is fixedly connected with the fixing piece, and the fixing screw is fixedly connected between the fixing piece and the oil hole.

Preferably, the oil holes are provided in four groups, and the oil holes are parallel to each other.

Compared with the prior art, the beneficial effects of the utility model are that: the hydraulic valve block of the lifting system for the mine car not only realizes quick installation, is convenient to overhaul and prevents displacement, but also reduces heating and avoids impurities from entering;

(1) the mounting seat is arranged in the hydraulic system by the arrangement of the first inserted link, the slot, the second inserted link, the movable slot, the telescopic spring, the limiting rod and the hollow rod, and is fixed by the bolt, the bolt is required to be dismantled during regular maintenance, which is very inconvenient, so the slot is arranged, the second inserted link and the first inserted link are respectively inserted into the slot, wherein the second inserted bar vertically penetrates through the inside of the first inserted bar under the action of gravity, so that the base and the mounting seat are fixedly connected in the horizontal direction and the vertical direction, when the mounting seat needs to be dismounted, the first inserted link is pulled transversely, the extension spring extends in the movable groove, the limiting rod is disengaged from the hollow rod, the connection between the first insertion rod and the second insertion rod can be released, the first insertion rod is prevented from being lost, the limiting rod is matched with the hollow rod in an inserted mode to play an internal guiding and limiting role, and the installation mode is quick and simple without tools;

(2) by arranging the first lug, the second groove, the first groove, the limiting hole, the second lug and the fixing strip, when the base and the mounting seat are fixedly connected, the first lug is embedded into the first groove, the second lug is embedded into the second groove, the fixing strip is turned over to enable the circular fixture block in the fixing strip to be buckled into the limiting hole, the fixed connection between the base and the mounting seat is enhanced from two ends of the valve block, so that the base and the mounting seat are matched and nested for connection more tightly, the valve block is prevented from being impacted and shaken or displaced when in work, and convenience and stability are both considered;

(3) through being provided with the stationary blade, the fixed screw, dish is strained and the oilhole, valve block during operation, hydraulic oil passes through from the oilhole, the dish is strained and can be blockked and filter impurity, it causes the oil circuit not smooth to prevent impurity infiltration, the life cycle is strained to the dish, reduce the clearance frequency, when needing to be changed with stationary blade and valve block between the fixed screw pull down can, the oilhole is the horizontal design, the valve block of being convenient for is processed when making and is punched, reduce manufacturing error, reduce the resistance when hydraulic oil passes through simultaneously, thereby reduce inside and generate heat.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a front view of the quick fixing structure of the present invention;

FIG. 3 is a schematic diagram of a side view cross-sectional structure of the oil hole of the present invention;

fig. 4 is a front view structure diagram of the oil filter structure of the present invention.

In the figure: 1. a quick fixing structure; 101. a first plunger; 102. a slot; 103. a second plunger; 104. a movable groove; 105. a tension spring; 106. a limiting rod; 107. a hollow shaft; 2. a valve block; 3. an oil filter structure; 301. a fixing sheet; 302. fixing screws; 303. disc filtering; 304. an oil hole; 4. a base; 5. a mounting seat; 6. a first bump; 7. a second groove; 8. a first groove; 9. a limiting hole; 10. a second bump; 11. and (4) fixing the strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a hydraulic valve block of a lifting system for a mine car comprises a quick fixing structure 1 and a base 4, wherein the base 4 is arranged outside the valve block 2, a mounting seat 5 is arranged at the bottom end of the base 4, the quick fixing structure 1 is arranged on two sides inside the mounting seat 5, an oil filter structure 3 is arranged inside the valve block 2, and an anti-displacement structure is arranged between the base 4 and the mounting seat 5;

referring to fig. 1-4, the hydraulic valve block of the lifting system for the mine car further comprises an anti-displacement structure, the anti-displacement structure comprises a first bump 6 and a second groove 7, the first bump 6 and the second groove 7 are arranged at the bottom end of the base 4 at intervals, a first groove 8 and a second bump 10 are arranged at intervals at the top end of the mounting seat 5, the first bump 6 is embedded in the first groove 8, the second bump 10 is embedded in the second groove 7, a limiting hole 9 is arranged in the middle of the joint of the top end of the mounting seat 5 and the bottom end of the base 4, the limiting hole 9 is circular, and one side of the two ends of the mounting seat 5 is hinged with a fixing strip 11;

a circular fixture block is arranged inside the fixing strip 11, and the radius of the limiting hole 9 is larger than that of the circular fixture block;

specifically, as shown in fig. 1, fig. 2 and fig. 3, when the base 4 and the mounting seat 5 are fixedly connected, the first protruding block 6 is embedded into the first groove 8, the second protruding block 10 is embedded into the second groove 7, the turning fixing strip 11 enables the circular fixture block inside the turning fixing strip to be buckled into the limiting hole 9, the fixing connection between the base 4 and the mounting seat 2 is enhanced from the two ends of the valve block 2, so that the base 4 and the mounting seat 5 are in fit and nested connection more tightly, the valve block 2 is prevented from shaking or shifting due to impact during working, and convenience and stability are both considered.

Example 2: the quick fixing structure 1 comprises a first inserted bar 101, a slot 102, a second inserted bar 103, a movable groove 104, a telescopic spring 105, a limiting rod 106 and a hollow rod 107, wherein the slot 102 is arranged inside the mounting seat 5, the first inserted bar 101 transversely penetrates through the inside of the slot 102, the second inserted bar 103 vertically penetrates through the inside of the first inserted bar 101, the movable grooves 104 are arranged at the top end and the bottom end of the first inserted bar 101, the telescopic spring 105 is arranged inside the movable groove 104, the limiting rod 106 and the hollow rod 107 are arranged inside the telescopic spring 105, the limiting rod 106 is fixedly connected with the first inserted bar 101, and the hollow rod 107 is fixedly connected with the inner wall of the movable groove 104;

the outer diameter of the limiting rod 106 is smaller than the inner diameter of the hollow rod 107, and the limiting rod 106 is inserted into the hollow rod 107;

specifically, as shown in fig. 1 and 2, the mounting base 5 is installed inside a hydraulic system, and is fixed by using a bolt, the bolt needs to be removed during periodic maintenance, which is inconvenient, and therefore, a slot 102 is provided, the second insertion rod 103 and the first insertion rod 101 are respectively inserted into the slot 102, wherein the second insertion rod 103 vertically penetrates through the inside of the first insertion rod 101 under the action of gravity, so that the base 4 and the mounting base 5 are fixedly connected in horizontal and vertical directions, when the mounting base needs to be removed, the first insertion rod 101 is transversely pulled, the expansion spring 105 extends inside the movable slot 104, the limiting rod 106 is separated from the inside of the hollow rod 107, and the connection between the first insertion rod 101 and the second insertion rod 103 can be released, so that the first insertion rod 101 is prevented from being lost, and the matching insertion of the limiting rod 106 and the hollow rod 107 plays an internal guiding and limiting role, such an installation mode is quick and simple, and does not need tools.

Example 3: the oil filter structure 3 consists of a fixing plate 301, a fixing screw 302, a disc filter 303 and an oil hole 304, wherein the oil hole 304 is arranged inside the valve block 2, the disc filter 303 is arranged inside the oil hole 304, one end of the disc filter 303 is fixedly connected with the fixing plate 301, and the fixing screw 302 is fixedly connected between the fixing plate 301 and the oil hole 304;

four groups of oil holes 304 are arranged, and the oil holes 304 are mutually parallel;

specifically, as shown in fig. 1, fig. 3 and fig. 4, valve block 2 during operation, hydraulic oil passes through from oilhole 304, the dish is strained 303 and can be blockked and filter impurity, it causes the oil circuit not smooth to prevent impurity infiltration, the life cycle of dish is strained 303 is long, reduce the clearance frequency, when needing to be changed with the fixed screw 302 between stationary blade 301 and the valve block 2 pull down can, oilhole 304 is horizontal design, be convenient for valve block 2 during the processing of making punches, reduce manufacturing error, reduce the resistance when hydraulic oil passes through simultaneously, thereby reduce inside and generate heat.

The working principle is as follows: the utility model discloses when using, at first, install mount pad 5 inside hydraulic system, utilize the bolt fastening, need demolish the bolt when the periodic overhaul, it is very inconvenient, therefore, be provided with slot 102, slot 102 is inserted respectively to second inserted bar 103 and first inserted bar 101, wherein second inserted bar 103 is the vertical inside that runs through first inserted bar 101 under the action of gravity, just so with base 4 and mount pad 5 fixed connection on level and two vertical directions, when needing to demolish, horizontal pulling first inserted bar 101, expanding spring 105 extends in the inside of activity groove 104, gag lever post 106 is deviate from hollow rod 107 is inside, can remove first inserted bar 101 and second inserted bar 103 be connected, prevent that first inserted bar 101 from losing, gag lever post 106 is pegged graft with hollow rod 107's cooperation and is played inside direction and limiting displacement, such mounting means is simple fast, need not the instrument.

Later, when base 4 and mount pad 5 are connected fixedly, first lug 6 imbeds the inside of first recess 8, the inside of second lug 10 embedding second recess 7, upset fixed strip 11 makes its inside circular fixture block buckle the inside of spacing hole 9, strengthen base 4 and fixed connection between from the both ends of valve block 2, it is inseparabler to make base 4 and mount pad 5 cooperate the nested connection like this, prevent that valve block 2 from receiving the impact during operation and rocking or shifting, compromise convenience and stability.

Finally, valve block 2 during operation, hydraulic oil passes through in the oilhole 304, the dish is strained 303 and can be blockked and filter impurity, prevent that impurity infiltration from causing the oil circuit not smooth, dish is strained 303 life cycle long, reduce the clearance frequency, need when changing with the fixed screw 302 between stationary blade 301 and the valve block 2 pull down can, oilhole 304 is the horizontal design, the processing of valve block 2 when making of being convenient for punches, reduce manufacturing error, reduce the resistance when hydraulic oil passes through simultaneously, thereby reduce inside and generate heat.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lifting system hydraulic valve piece for mine car, includes quick fixed knot structure (1) and base (4), its characterized in that: a base (4) is arranged outside the valve block (2), a mounting seat (5) is arranged at the bottom end of the base (4), quick fixing structures (1) are arranged on two sides of the inside of the mounting seat (5), an oil filter structure (3) is arranged inside the valve block (2), and an anti-displacement structure is arranged between the base (4) and the mounting seat (5);

prevent shift structure includes first lug (6) and second recess (7), first lug (6) and second recess (7) interval set up the bottom in base (4), the top interval of mount pad (5) is provided with first recess (8) and second lug (10), first lug (6) are inlayed in the inside of first recess (8), second lug (10) are inlayed in the inside of second recess (7), mount pad (5) top and the intermediate position of base (4) bottom junction are provided with spacing hole (9), spacing hole (9) are circular, the one side at mount pad (5) both ends articulates there is fixed strip (11).

2. The hydraulic valve block for a lift system of a mining vehicle of claim 1, wherein: a circular fixture block is arranged inside the fixing strip (11), and the radius of the limiting hole (9) is larger than that of the circular fixture block.

3. The hydraulic valve block for a lift system of a mining vehicle of claim 1, wherein: the quick fixing structure (1) consists of a first inserted link (101), a slot (102), a second inserted link (103), a movable groove (104), a telescopic spring (105), a limiting rod (106) and a hollow rod (107), the slot (102) is arranged inside the mounting seat (5), a first inserted bar (101) transversely penetrates through the slot (102), a second inserted bar (103) vertically penetrates through the inside of the slot (102), the second inserted bar (103) vertically penetrates through the inside of the first inserted bar (101), the top end and the bottom end of the first inserted link (101) are provided with movable grooves (104), an extension spring (105) is arranged in the movable groove (104), a limiting rod (106) and a hollow rod (107) are arranged in the extension spring (105), the limiting rod (106) is fixedly connected with the first inserted bar (101), and the hollow rod (107) is fixedly connected with the inner wall of the movable groove (104).

4. The lift system hydraulic valve block for a mining vehicle of claim 3, wherein: the outer diameter of the limiting rod (106) is smaller than the inner diameter of the hollow rod (107), and the limiting rod (106) is inserted into the hollow rod (107).

5. The hydraulic valve block for a lift system of a mining vehicle of claim 1, wherein: oil strain structure (3) and comprises stationary blade (301), set screw (302), dish and strain (303) and oilhole (304), oilhole (304) set up the inside at valve block (2), dish is strained (303) and is set up the inside at oilhole (304), the one end fixedly connected with stationary blade (301) of dish strain (303), fixedly connected with set screw (302) between stationary blade (301) and oilhole (304).

6. The lift system hydraulic valve block for mining cars of claim 5, characterized in that: the oil holes (304) are provided with four groups, and the oil holes (304) are parallel to each other.