CN217873525U - An electro-hydraulic cylinder for overturning a mine car - Google Patents

Abstract

The utility model discloses an electric hydraulic cylinder for mine car upset, including the pneumatic cylinder main part, the pneumatic cylinder main part includes the casing, the bottom of casing is equipped with the jar seat, the bottom of jar seat is equipped with the block mount pad, the top of casing is equipped with flexible delivery rod, the top of flexible delivery rod is equipped with the bayonet joint, be equipped with the grafting piece on the flexible delivery rod, the bottom welding of grafting piece has spacing slide bar, the telescopic link is installed on the top of jar seat, the bottom welding of telescopic link has the screw thread head, the bottom of grafting piece is equipped with the connecting piece, the top of jar seat is equipped with down the connecting piece, go up the connecting piece and be equipped with buffer spring on the connecting piece down. The utility model discloses a plate and protection arc are connected in the setting, like this after the pneumatic cylinder main part of dress, can be with protection arc and the laminating of connection plate, alternate the bolt after that, sheathe in again the nut form the staple bolt connect can, two protection arcs can play better guard action to the casing this moment, avoid the damage that external collision caused.

Description

An electro-hydraulic cylinder for overturning a mine car

technical field

The utility model relates to the technical field of electro-hydraulic cylinder design, in particular to an electro-hydraulic cylinder used for mine car turning.

Background technique

The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swing motion). It has a simple structure and reliable operation. When using it to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap, and the movement is stable, so it is widely used in various mechanical hydraulic systems, such as electro-hydraulic when turning over on a mine car. cylinder.

The current electro-hydraulic cylinder has no protective mechanism, the hydraulic cylinder is easily damaged, and the lifting rod may break at the same time, so it is necessary to design an electro-hydraulic cylinder for mine car turning.

Utility model content

The purpose of this utility model is to solve the problem that the current electric hydraulic cylinder has no protection mechanism, the hydraulic cylinder is easily damaged, and the lifting rod may break at the same time, and proposes an electric hydraulic cylinder for mine car turning.

In order to achieve the above object, the utility model adopts the following technical solutions:

An electric hydraulic cylinder used for overturning a mine car, comprising a main body of the hydraulic cylinder, a housing is provided on the main body of the hydraulic cylinder, a cylinder base is provided at the bottom of the housing, and a clamp is provided at the bottom of the cylinder base. The top of the shell is equipped with a telescopic output rod, the top of the telescopic output rod is provided with a plug joint, the telescopic output rod is provided with a socket block, and the bottom end of the socket block is welded limitedly. The top of the cylinder base is equipped with a sleeve rod, the bottom end of the sleeve rod is welded with a threaded head, the bottom end of the socket block is provided with an upper connector, and the top of the cylinder base is provided with a There is a lower connector, the upper connector and the lower connector are provided with buffer springs, the housing is provided with a connecting plate, the connecting plate is connected with a protective arc plate, and the top end of the plug connector is provided with Connecting ring.

Preferably, the fastening mount is fixed to the bottom of the cylinder base with screws, and bolt holes are provided on both sides of the fastening mount.

Preferably, the socket block is fixed on the telescopic output rod with four bolts, and the inner diameter of the socket block is equal to the outer diameter of the telescopic output rod.

Preferably, the limit slide rods are all inserted into the sleeve rod, and the limit slide rods slide up and down in the sleeve rod.

Preferably, the threaded head forms a threaded connection with the threaded groove on the cylinder seat.

Preferably, the upper and lower ends of the buffer spring are designed as hooks, and the buffer spring is stuck on the upper connector and the lower connector through the upper and lower hooks.

Preferably, the connecting plates are symmetrically distributed on the front and back of the housing, the protective arc-shaped plate and the connecting plate are fitted together and bolts are interspersed, and the protective arc-shaped plate and the connecting plate form a fixed structure through socket nuts on the bolts .

Compared with the prior art, the utility model has the following advantages:

1. The utility model is provided with a socket block, a limit slide rod, a sleeve rod and a threaded head, so that after the main body of the hydraulic cylinder is installed, the sleeve rod can be assembled on the cylinder seat through the threaded head, and then the socketed The block is fixed on the telescopic output rod with four bolts. At the same time, the limit slide rod should be inserted into the sleeve rod. When the shell drives the telescopic output rod to expand and contract, the limit slide rod will slide up and down in the sleeve rod. Limit the position to ensure its linear movement, avoid its breakage, and play a very good protective role;

2. The utility model sets the connecting plate and the protective arc plate, so that after the main body of the hydraulic cylinder is installed, the protective arc plate and the connecting plate can be attached together, then the bolts are inserted, and then the nuts are put on to form a hoop connection. , at this time, the two protective arc-shaped plates can better protect the shell and avoid damage caused by external collisions.

Description of drawings

Fig. 1 is a front view internal structure schematic diagram of a kind of electro-hydraulic cylinder used for mine car turning proposed by the utility model;

Fig. 2 is a front view external structural schematic diagram of an electro-hydraulic cylinder for mine car turning proposed by the utility model;

Fig. 3 is a schematic diagram of the connecting structure of the shell and the protective arc-shaped plate of the electro-hydraulic cylinder for turning over the mine car proposed by the utility model;

Fig. 4 is a schematic diagram of an enlarged structure at A of an electro-hydraulic cylinder for overturning a mine car proposed by the utility model.

In the figure: 1. Shell; 2. Cylinder seat; 3. Snap-fit mounting seat; 4. Telescopic output rod; 5. Plug joint; 6. Socket block; 7. Limit slide rod; 9. Thread head; 10. Upper connector; 11. Lower connector; 12. Buffer spring; 13. Connecting plate; 14. Protective arc plate; 15. Connecting ring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1 to 4, an electric hydraulic cylinder used for overturning a mine car includes a hydraulic cylinder main body, a housing 1 is provided on the hydraulic cylinder main body, a cylinder base 2 is provided at the bottom of the housing 1, and a cylinder base 2 is provided at the bottom of the cylinder base 2. The end of the housing 1 is provided with a snap-fit mounting seat 3, the top of the housing 1 is provided with a telescopic output rod 4, the top of the telescopic output rod 4 is provided with a plug joint 5, and the telescopic output rod 4 is provided with a socket block 6, and the socket block 6 The bottom end is welded with a limit slide rod 7, the top of the cylinder base 2 is equipped with a sleeve rod 8, the bottom end of the sleeve rod 8 is welded with a threaded head 9, and the bottom end of the sleeve block 6 is provided with an upper connector 10, the cylinder base 2 is provided with a lower connecting piece 11, the upper connecting piece 10 and the lower connecting piece 11 are provided with a buffer spring 12, the housing 1 is provided with a connecting plate 13, the connecting plate 13 is connected with a protective arc plate 14, and the plug joint The top of 5 is provided with connecting ring 15;

It is worth noting that the clamping mounting base 3 is fixed on the bottom of the cylinder base 2 with screws, and there are bolt holes on both sides of the clamping mounting base 3. By setting the clamping mounting base 3, it is very convenient to install the hydraulic cylinder The main body is installed on the designated position of the mine car, which improves the installation work efficiency;

It is worth noting that the socket block 6 is fixed on the telescopic output rod 4 with four bolts, the inner diameter of the socket block 6 is equal to the outer diameter of the telescopic output rod 4, the limit slide rod 7 is inserted into the sleeve rod 8, and the limit The position slide rod 7 slides up and down in the sleeve rod 8, and the threaded head 9 forms a threaded connection with the threaded groove on the cylinder base 2. By setting the socket block 6, the limit slide rod 7, the sleeve rod 8 and the threaded head 9, In this way, after the main body of the hydraulic cylinder is installed, the sleeve rod 8 can be assembled on the cylinder base 2 through the threaded head 9, and then the sleeve block 6 can be fixed on the telescopic output rod 4 with four bolts, and the limit slide rod 7 must be fixed at the same time. Inserted into the sleeve rod 8, when the casing 1 drives the telescopic output rod 4 to expand and contract, the limit slide rod 7 will slide up and down in the sleeve rod 8 to limit the telescopic output rod 4 to ensure its linear movement and avoid its Fracture, play a very good protective role;

It is worth noting that the upper and lower ends of the buffer spring 12 are designed as hooks, and the buffer spring 12 is stuck on the upper connector 10 and the lower connector 11 through the upper and lower hooks. By setting the buffer spring 12, the buffer spring 12 can be stuck on the On the upper connector 10 and the lower connector 11, when the housing 1 drives the telescopic output rod 4 to expand and contract, the buffer spring 12 is stretched to play a buffering role and improve the stability of work;

It is worth noting that the connecting plates 13 are symmetrically distributed on the front and back of the housing 1, the protective arc-shaped plate 14 and the connecting plate 13 are fitted together and are interspersed with bolts, and the protective arc-shaped plate 14 and the connecting plate 13 are sleeved on the bolts. The nut forms a fixed structure. By setting the connecting plate 13 and the protective arc-shaped plate 14, after the main body of the hydraulic cylinder is installed, the protective arc-shaped plate 14 and the connecting plate 13 can be fitted together, and then the bolts are inserted, and then the nuts are put on to form an embrace. Just hoop connection, at this time, the two protective arc-shaped plates 14 can better protect the housing 1 and avoid damage caused by external collisions.

The operating principle of the present utility model is described as follows:

When the utility model is in use, firstly, by setting the engaging mounting seat 3, the main body of the hydraulic cylinder can be installed on the designated position of the mine car very conveniently, which improves the installation work efficiency, and then after the main body of the hydraulic cylinder is installed, the main body of the hydraulic cylinder can be installed The protective arc-shaped plate 14 and the connecting plate 13 are bonded together, and then the bolts are inserted, and then nuts are put on to form a hoop connection. At this time, the two protective arc-shaped plates 14 can better protect the housing 1, avoiding The damage caused by the external collision, then the sleeve rod 8 can be assembled on the cylinder base 2 through the threaded head 9, and then the sleeve block 6 is fixed on the telescopic output rod 4 with four bolts, and the limit slide rod 7 should be inserted into the sleeve Inside the cylinder rod 8, when the casing 1 drives the telescopic output rod 4 to expand and contract, the limit slide rod 7 will slide up and down in the sleeve rod 8 to limit the telescopic output rod 4 to ensure its linear movement and avoid its breakage. It plays a very good protective role. After it is done, the buffer spring 12 can be stuck on the upper connector 10 and the lower connector 11. When the housing 1 drives the telescopic output rod 4 to expand and contract, the buffer spring 12 can be stretched to play a role. The function of cushioning improves the stability of the work. Finally, the connection ring 15 and the output position can be docked through the plug joint 5. In this case, the casing 1 drives the telescopic output rod 4 to expand and contract, and the connection ring 15 is connected to the output position through the plug joint 5. The docking of the output location is an existing technical means, so no detailed description is given.

In this utility model, unless otherwise clearly specified and limited, terms such as "sliding", "rotating", "fixed", and "equipped" should be understood in a broad sense, for example, it can be a welded connection or a bolt Connected, or integrated; may be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediary, and may be an internal communication between two elements or an interactive relationship between two elements, unless otherwise stated Clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. An electro-hydraulic cylinder for mine car overturning, comprising a hydraulic cylinder main body, characterized in that, the hydraulic cylinder main body is provided with a housing (1), and the bottom end of the housing (1) is provided with a cylinder seat (2), the bottom end of the cylinder seat (2) is provided with an engaging installation seat (3), and the top end of the housing (1) is provided with a telescopic output rod (4), and the telescopic output rod (4 ) is provided with a plug joint (5), the telescopic output rod (4) is provided with a socket block (6), and the bottom end of the socket block (6) is welded with a limit slide rod (7), so A sleeve rod (8) is installed on the top of the cylinder base (2), the bottom end of the sleeve rod (8) is welded with a threaded head (9), and the bottom end of the sleeve block (6) is provided with an upper Connector (10), the top of the cylinder base (2) is provided with a lower connector (11), the upper connector (10) and the lower connector (11) are provided with buffer springs (12), the The casing (1) is provided with a connecting plate (13), the connecting plate (13) is connected with a protective arc plate (14), and the top end of the plug connector (5) is provided with a connecting ring (15). 2. The electro-hydraulic cylinder for mine car turning according to claim 1, characterized in that, the engaging mounting base (3) is fixed on the bottom end of the cylinder seat (2) with screws, and the engaging mounting base (3) is Bolt holes are provided on both sides of the mounting seat (3). 3. The electro-hydraulic cylinder for mine car turning according to claim 1, characterized in that, the socket block (6) is fixed on the telescopic output rod (4) with four bolts, and the socket The inner diameter of block (6) is equal to the outer diameter of telescopic output rod (4). 4. A kind of electrohydraulic cylinder for mining car turning according to claim 1, it is characterized in that, described limit slide bar (7) is all inserted in sleeve rod (8), and limit slide bar ( 7) Slide up and down in the sleeve rod (8). 5 . The electrohydraulic cylinder for mine car turning according to claim 4 , characterized in that, the threaded head ( 9 ) forms a threaded connection with the threaded groove on the cylinder base ( 2 ). 6. The electro-hydraulic cylinder for mine car turning according to claim 1, characterized in that, the upper and lower ends of the buffer spring (12) are designed as hooks, and the buffer spring (12) is locked by the upper and lower hooks On the upper connector (10) and the lower connector (11). 7. The electro-hydraulic cylinder for mine car turning according to claim 1, characterized in that, the connecting plates (13) are symmetrically distributed on the front and back of the casing (1), and the protective arc-shaped plate (14) fits with the connecting plate (13) and is all interspersed with bolts, and the protective arc plate (14) and the connecting plate (13) form a fixed structure by socketing nuts on the bolts.

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