CN213360630U

CN213360630U - Hydraulic cylinder with emergency stop protection function

Info

Publication number: CN213360630U
Application number: CN202021629025.5U
Authority: CN
Inventors: 周秀明
Original assignee: Yancheng Zhensheng Hydraulic Machinery Co ltd
Current assignee: Yancheng Zhensheng Hydraulic Machinery Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-06-04
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a hydraulic cylinder with emergency stop protect function, including base, emergency stop protection architecture and carriage release lever, the up end of base is fixed with the cylinder body, and the upper and lower both sides of cylinder body right-hand member face run through respectively and be fixed with electronic fuel outlet valve and electronic fuel inlet valve, emergency stop protection architecture sets up in the piston, and piston sliding connection is in the inboard of cylinder body, oil pressure sensor fixes in the bottom of piston, and the left and right sides of piston all is connected with the kelly through electric telescopic handle, the bottom threaded connection of carriage release lever is on the piston, and the carriage release lever runs through the cylinder cap. This hydraulic cylinder with scram protect function, oil pressure sensor can change the oil pressure of following part of piston and carry out real time monitoring, when detecting that the oil pressure changes when unusual, the kelly can remove and the block is connected in the draw-in groove that corresponds under electric telescopic handle's extension effect, and the piston can be fixed, prevents that piston slump and the equipment that the damage carriage release lever top is connected.

Description

Hydraulic cylinder with emergency stop protection function

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a hydraulic cylinder with scram protect function.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and does linear reciprocating motion, mass search shows that the hydraulic cylinder in the prior art is typical like CN205578404U, and the hydraulic cylinder with high buffering performance comprises a cylinder barrel and a cylinder cover, wherein pistons are arranged in the cylinder barrel and the cylinder cover, a piston rod is arranged on the piston, an oil cylinder upper oil port and an oil cylinder lower oil port are arranged on the side wall of the cylinder barrel, a first oil pipe is arranged on the oil cylinder upper oil port, a second oil pipe is arranged on the oil cylinder lower oil port, a valve body is arranged on the first oil pipe and the second oil pipe, a cavity is arranged in the valve body, a valve core is arranged in the cavity, a handle is arranged on the valve body, a third oil pipe is arranged on the second oil pipe, a first baffle is arranged in the third oil pipe and close to one end of the hydraulic cylinder, an opening is arranged on the baffle, a second baffle, set up the through-hole on the throttle plate, this utility model's beneficial effect lies in: the utility model discloses make the piston rod shock-absorbing capacity improve when the withdrawal acting, reduce the impact force of piston to the cylinder body.

In summary, when the existing hydraulic cylinder fails, the piston is not supported and suddenly descends, so that the equipment connected with the device is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic cylinder with scram protect function to when solving the current hydraulic cylinder that provides among the above-mentioned background art and breaking down, the piston does not receive the support and the slump, easily harms the problem of the equipment that the device is connected like this.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic oil cylinder with an emergency stop protection function comprises a base, an emergency stop protection structure and a movable rod,

the oil cylinder comprises a base, a cylinder body is fixed on the upper end face of the base, an electric oil outlet valve and an electric oil inlet valve are respectively fixedly penetrated through the upper side and the lower side of the right end face of the cylinder body, and a cylinder cover is fixed on the top of the cylinder body through bolts;

the emergency stop protection structure is arranged in the piston, the piston is connected to the inner side of the cylinder body in a sliding mode, the emergency stop protection structure comprises an oil pressure sensor, an electric telescopic rod, a clamping rod and a clamping groove, the oil pressure sensor is fixed to the bottom of the piston, and the left side and the right side of the piston are connected with the clamping rod through the electric telescopic rod;

the bottom threaded connection of carriage release lever is on the piston, and the carriage release lever runs through the cylinder cap, has all seted up the mounting hole simultaneously on the top of carriage release lever and the base.

Preferably, the electric oil outlet valve and the electric oil inlet valve are symmetrically arranged on the cylinder body.

Preferably, the bolts are evenly distributed on the top of the cylinder cover.

Preferably, the clamping rod forms a telescopic structure with the oil pressure sensor through an electric telescopic rod, a clamping groove is formed in the outer side of the clamping rod, and the clamping groove is formed in the inner wall of the cylinder body.

Preferably, the clamping grooves are distributed on the left inner wall and the right inner wall of the cylinder body at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: the hydraulic oil cylinder with the emergency stop protection function,

(1) the oil cylinder is provided with a base, a cylinder body, an electric oil outlet valve, an electric oil inlet valve, a bolt, a piston, a movable rod and a mounting hole, wherein the base and the movable rod can be fixed on required equipment under the action of the corresponding mounting hole and an external bolt;

(2) be provided with piston, oil pressure sensor, electric telescopic handle, kelly, draw-in groove and carriage release lever, oil pressure sensor can change the oil pressure of following part of piston and carry out real time monitoring, when detecting that the oil pressure changes unusually, the kelly can remove and the block is connected in the draw-in groove that corresponds under electric telescopic handle's extension effect, and the piston can be fixed, prevents that piston slump and the equipment of damage carriage release lever top connection.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the top-view cross-sectional structure of the present invention.

In the figure: 1. the base, 2, cylinder body, 3, electronic delivery valve, 4, electronic inlet valve, 5, cylinder cap, 6, bolt, 7, piston, 8, scram protection architecture, 801, oil pressure sensor, 802, electric telescopic handle, 803, kelly, 804, draw-in groove, 9, carriage release lever, 10, mounting hole.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a hydraulic cylinder with an emergency stop protection function is disclosed, as shown in fig. 1 and fig. 2, a cylinder body 2 is fixed on the upper end face of a base 1, an electric oil outlet valve 3 and an electric oil inlet valve 4 are respectively fixed on the upper side and the lower side of the right end face of the cylinder body 2 in a penetrating manner, a cylinder cover 5 is fixed on the top of the cylinder body 2 through bolts 6, the electric oil outlet valve 3 and the electric oil inlet valve 4 are symmetrically arranged on the cylinder body 2, after the electric oil outlet valve 3 and the electric oil inlet valve 4 are connected with external oil supply equipment through connecting pipelines, oil inlet and outlet operations can be respectively carried out after the electric oil outlet valve 3 and the electric oil inlet valve 4 are opened, oil circularly flows in the cylinder body 2, the change of the oil pressure in the cylinder body 2 is conveniently controlled, the bolts 6 are uniformly distributed on the top of the cylinder cover 5, the cylinder cover 5 can be fixed on the top of.

According to fig. 1, 2 and 3, the emergency stop protection structure 8 is arranged in the piston 7, the piston 7 is slidably connected to the inner side of the cylinder 2, the emergency stop protection structure 8 comprises an oil pressure sensor 801, an electric telescopic rod 802, a clamping rod 803 and a clamping groove 804, the clamping rod 803 forms a telescopic structure with the oil pressure sensor 801 through the electric telescopic rod 802, the clamping groove 804 is arranged on the outer side of the clamping rod 803, the clamping groove 804 is arranged on the inner wall of the cylinder 2, when the oil pressure sensor 801 detects that the oil pressure changes abnormally, the clamping rod 803 can move under the extension action of the electric telescopic rod 802 and is clamped and connected in the corresponding clamping groove 804, the piston 7 is fixed, the piston 7 is prevented from suddenly dropping to damage equipment connected with the top of the moving rod 9, the oil pressure sensor 801 is fixed at the bottom of the piston 7, the left side and the right side of the piston 7 are both connected with the clamping rod 803 through the electric telescopic rod 802, the clamping, the draw-in groove 804 that the equidistance distributes on the inner wall about cylinder body 2 can make the card of kelly 803 put the scope more extensive, and the bottom threaded connection of carriage release lever 9 is on piston 7, and carriage release lever 9 runs through cylinder cap 5, has all seted up mounting hole 10 on the top of carriage release lever 9 and the base 1 simultaneously.

The working principle is as follows: when the hydraulic oil cylinder with the emergency stop protection function is used, firstly, the base 1 and the movable rod 9 are fixed on equipment through the mounting hole 10 and an external bolt, then the electric oil outlet valve 3 and the electric oil inlet valve 4 are connected with external oil supply equipment through an external connecting pipeline, an external power supply is connected, oil inlet and oil outlet operations can be respectively carried out after the electric oil outlet valve 3 and the electric oil inlet valve 4 are opened, oil circularly flows in the cylinder body 2, the change of oil pressure in the cylinder body 2 is conveniently controlled, the movable rod 9 moves up and down along with the piston 7 so as to normally work, after the oil pressure sensor 801 is started, the oil pressure sensor 801 monitors the change of the oil pressure below the piston 7 in real time, when the change of the oil pressure is detected to be abnormal, the clamping rod 803 moves under the extension action of the electric telescopic rod 802 and is clamped and connected in the corresponding clamping groove 804, and the piston 7 is fixed, this is done to prevent the piston 7 from collapsing and damaging the equipment attached to the top of the travel bar 9, and is well known to those skilled in the art and not described in detail in this specification.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a hydraulic cylinder with scram protect function, includes base (1), scram protective structure (8) and carriage release lever (9), its characterized in that:

the oil cylinder comprises a base (1), wherein a cylinder body (2) is fixed on the upper end face of the base (1), an electric oil outlet valve (3) and an electric oil inlet valve (4) are respectively fixedly penetrated through the upper side and the lower side of the right end face of the cylinder body (2), and a cylinder cover (5) is fixed on the top of the cylinder body (2) through a bolt (6);

the emergency stop protection structure (8) is arranged in the piston (7), the piston (7) is connected to the inner side of the cylinder body (2) in a sliding mode, the emergency stop protection structure (8) comprises an oil pressure sensor (801), an electric telescopic rod (802), a clamping rod (803) and a clamping groove (804), the oil pressure sensor (801) is fixed to the bottom of the piston (7), and the left side and the right side of the piston (7) are connected with the clamping rod (803) through the electric telescopic rod (802);

the bottom threaded connection of carriage release lever (9) is on piston (7), and carriage release lever (9) run through cylinder cap (5), has all seted up mounting hole (10) simultaneously on the top of carriage release lever (9) and base (1).

2. The hydraulic cylinder with scram protection as set forth in claim 1, wherein: the electric oil outlet valve (3) and the electric oil inlet valve (4) are symmetrically arranged on the cylinder body (2).

3. The hydraulic cylinder with scram protection as set forth in claim 1, wherein: the bolts (6) are uniformly distributed on the top of the cylinder cover (5).

4. The hydraulic cylinder with scram protection as set forth in claim 1, wherein: the clamping rod (803) and the oil pressure sensor (801) form a telescopic structure through the electric telescopic rod (802), a clamping groove (804) is formed in the outer side of the clamping rod (803), and the clamping groove (804) is formed in the inner wall of the cylinder body (2).

5. The hydraulic cylinder with scram protection as set forth in claim 1, wherein: the clamping grooves (804) are distributed on the left inner wall and the right inner wall of the cylinder body (2) at equal intervals.