CN211166906U

CN211166906U - Pneumatic lifting device for safety gear

Info

Publication number: CN211166906U
Application number: CN201922213102.2U
Authority: CN
Inventors: 刘志信
Original assignee: Jiangsu Hongyang Machinery Manufacturing Co ltd
Current assignee: Jiangsu Hongyang Machinery Manufacturing Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-04
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a pneumatic lifting device for bumper, including L type locating plate, cylinder body, first pulley housing and second pulley housing, L type locating plate symmetry is provided with two sets ofly, L type locating plate includes a set of bottom plate of seting up and a set of riser with stop collar cooperation installation, and one side that stop collar was installed to two sets of L type locating plates sets up in opposite directions, and is two sets of all set up the groove of air feed cylinder body installation in the stop collar of L type locating plate, L type locating plate sets up in cylinder body's both ends, cylinder body's one end cooperation has a set of piston rod of connecting first pulley housing, sets up the groove of a set of confession guide pulley installation in the first pulley housing, is close to a set of L type locating plate side of piston rod one side in two sets of L type locating plates and fixes being provided with a set of second pulley housing.

Description

Pneumatic lifting device for safety gear

Technical Field

The utility model belongs to the technical field of colliery appurtenance, concretely relates to pneumatic hoisting device for insurance keeps off.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines.

The mine car for transporting goods in the coal mine runs on the steel rail, so that accidents are avoided, safety is guaranteed, people utilize the safety gear to effectively control car blocking, the safety gear is lifted by the cylinder, and the currently used cylinder is large in size, so that the mine car is heavy, large in occupied space, inconvenient to use and high in energy consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic hoisting device for insurance keeps off to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a pneumatic lifting device for a bumper, which comprises an L type positioning plate, a cylinder body, a first pulley sleeve and a second pulley sleeve, wherein the L type positioning plate is symmetrically provided with two groups, the L type positioning plate comprises a group of bottom plates and a group of vertical plates matched with a limit sleeve, and one sides of the two groups of L type positioning plates provided with the limit sleeves are oppositely arranged;

grooves for mounting an air cylinder body are formed in the limiting sleeves of the L type positioning plates, the L type positioning plates are arranged at two ends of the air cylinder body, one end of the air cylinder body is matched with a group of piston rods connected with a first pulley sleeve, and a group of grooves for mounting a guide pulley are formed in the first pulley sleeve;

a group of second pulley sleeves are fixedly arranged on the side face of one group of L type positioning plates, close to one side of the piston rod, of the two groups of L type positioning plates, and a group of grooves for mounting direction-changing pulleys are formed in the second pulley sleeves;

the guide pulley is limited in the first pulley sleeve by the first matching bolt, the axis of the guide pulley is perpendicular to the axis of the piston rod, the turning pulley is limited in the second pulley sleeve by the second matching bolt, and the axis of the turning pulley is perpendicular to the axis of the piston rod and parallel to the axis of the guide pulley.

Preferably, one side of the L type positioning plate, which is close to one side of the piston rod, of the L type positioning plates, which is far away from the second pulley sleeve, is fixed with a group of fixing plates, and one end of each fixing plate, which is far away from the L type positioning plate, is provided with a fixing hole for a cable to be matched.

Preferably, four groups of stabilizer bars are arranged between the L type positioning plates, two ends of each stabilizer bar are in a threaded rod structure, and two ends of each stabilizer bar penetrate through the limiting sleeve and the L type positioning plate to be in threaded connection and match with one group of fastening nuts.

Preferably, one end of the cable far away from the fixing hole is matched with one side of the guide pulley far away from the piston rod, and the cable is wound to one end of the direction-changing pulley close to the piston rod and connected with the group of safety blocks.

Preferably, the four groups of stabilizer bars are arranged between the two groups of L type positioning plates in an annular array by taking the axis of the cylinder body of the air cylinder as the center of a circle.

The technical effects and advantages of the utility model are that this a pneumatic lifting device for insurance keeps off, the stabilizer bar install additional and guarantee two sets of L type locating plates and cylinder body complex stability, because of installed guide pulley and diversion pulley additional at cylinder body front end, consequently can realize that the cylinder piston rod stroke reduces half about, alright reach the promotion purpose that equal weight insurance kept off, thereby cylinder body length can reduce half about, make the cylinder small, account for the space little, high durability and convenient use, the energy consumption is low, this a pneumatic lifting device for insurance keeps off, rational in infrastructure, it is little to account for the space, high practical value has in convenient to use and low energy consumption.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a working principle diagram of the present invention.

In the figure, a 1L type positioning plate, a 2 limiting sleeve, a 3 cylinder body, a 301 piston rod, a 4 stabilizing rod, a 401 fastening nut, a 5 first pulley sleeve, a 501 guide pulley, a 6 second pulley sleeve, a 601 direction-changing pulley, a 7 first matching bolt, an 8 second matching bolt, a 9 fixing plate, a 901 fixing hole, a 10 cable and an 11 safety catch are arranged.

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.

The utility model provides a pneumatic lifting device for bumper shown in figures 1-4, which comprises an L type positioning plate 1, a cylinder body 3, a first pulley sleeve 5 and a second pulley sleeve 6, wherein the L type positioning plate 1 is symmetrically provided with two groups, the L type positioning plate 1 comprises a group of bottom plates provided with 101 and a group of vertical plates matched with a limiting sleeve 2, and one sides of the two groups of L type positioning plates 1 provided with the limiting sleeve 2 are oppositely arranged;

grooves for mounting the cylinder body 3 of the cylinder are formed in the limiting sleeves 2 of the L type positioning plates 1, the L type positioning plates 1 are arranged at two ends of the cylinder body 3 of the cylinder, one end of the cylinder body 3 of the cylinder is matched with a group of piston rods 301 connected with the first pulley sleeve 5, a group of grooves for mounting the guide pulley 501 are formed in the first pulley sleeve 5, and the guide pulley 501 is not limited to rotate in the first pulley sleeve 5;

a group of second pulley sleeves 6 are fixedly arranged on the side surfaces of a group of L type positioning plates 1 close to one side of the piston rod 301 in the two groups of L type positioning plates 1, a group of grooves for mounting the direction-changing pulley 601 are formed in the second pulley sleeves 6, and the rotation of the phase-changing pulley 601 in the second pulley sleeves 6 is not limited;

the guide pulley 501 is limited in the first pulley sleeve 5 by the first matching bolt 7, the axis of the guide pulley 501 is perpendicular to the axis of the piston rod 301, the direction-changing pulley 601 is limited in the second pulley sleeve 6 by the second matching bolt 8, and the axis of the direction-changing pulley 601 is perpendicular to the axis of the piston rod 301 and parallel to the axis of the guide pulley 501.

Specifically, a set of fixing plate 9 is fixed to one side of the L positioning plate 1, which is close to one side of the piston rod 301, of the two sets of L positioning plates 1, where the side is far away from the second pulley sleeve 6, and a fixing hole 901 for the cable 10 to be matched is formed in one end, which is far away from the L positioning plate 1, of the fixing plate 9.

Specifically, four groups of stabilizer bars 4 are arranged between two groups of L-type positioning plates 1, two ends of each stabilizer bar 4 are constructed into a threaded rod structure, and two ends of each stabilizer bar 4 penetrate through the limiting sleeves 2 and L-type positioning plates 1 to be in threaded connection and match with a group of fastening nuts 401.

Specifically, the one end that fixed orifices 901 was kept away from to hawser 10 and one side cooperation that piston rod 301 was kept away from to leading pulley 501, and around establishing to the one end that diversion pulley 601 is close to piston rod 301 and be connected with a set of insurance fender 11, because of leading pulley 501 and diversion pulley 601 have been installed additional at cylinder body 1 front end, consequently can realize that cylinder piston rod 301 stroke reduces half by about, alright reach the promotion purpose that equal weight insurance kept off, thereby 3 length of cylinder body can reduce half by about, make the cylinder small, it is little to account for the space, high durability and convenient use, the energy consumption is low.

Specifically, the four groups of stabilizer bars 4 are arranged in an annular array between the L type positioning plates 1 by taking the axis of the cylinder body 3 as the center of a circle, and the stability of the two groups of L type positioning plates 1 in cooperation with the cylinder body 3 is ensured by the aid of the stabilizer bars 4.

Specifically, this a pneumatic lifting device for insurance fender, need keep away from one side cooperation that piston rod 301 was kept away from to the one end that fixed orifices 901 and leading pulley 501 were kept away from with hawser 10 before the use, and around establishing to the one end that diversion pulley 601 is close to piston rod 301 and be connected with a set of insurance fender 11, only need to ventilate the pressure boost to cylinder body 3 during the use and can realize the removal of piston rod 301, when piston rod 301 removes, the leading pulley 501 of installation outwards extends in first pulley housing 5 and its, make hawser 10 shorten, thereby realize the regulation of insurance fender 11, this a pneumatic lifting device for insurance fender, rational in infrastructure, it is little to account for the space, convenient to use and energy consumption are low, and have higher practical value.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A pneumatic lifting device for a bumper comprises L type positioning plates (1), cylinder bodies (3), first pulley sleeves (5) and second pulley sleeves (6), wherein the L type positioning plates (1) are symmetrically provided with two groups, the L type positioning plates (1) comprise a group of bottom plates provided with (101) and a group of vertical plates matched with limiting sleeves (2), and one sides of the two groups of L type positioning plates (1) provided with the limiting sleeves (2) are oppositely arranged;

the positioning device is characterized in that grooves for mounting an air cylinder body (3) are formed in limiting sleeves (2) of two L type positioning plates (1), the L type positioning plates (1) are arranged at two ends of the air cylinder body (3), one end of the air cylinder body (3) is matched with a group of piston rods (301) connected with a first pulley sleeve (5), and a group of grooves for mounting a guide pulley (501) is formed in the first pulley sleeve (5);

a group of second pulley sleeves (6) are fixedly arranged on the side surfaces of a group of L type positioning plates (1) which are close to one side of the piston rod (301) in the two groups of L type positioning plates (1), and a group of grooves for mounting the direction-changing pulleys (601) are formed in the second pulley sleeves (6);

the guide pulley (501) is limited in the first pulley sleeve (5) through a first matching bolt (7), the axis of the guide pulley (501) is perpendicular to the axis of the piston rod (301), the turning pulley (601) is limited in the second pulley sleeve (6) through a second matching bolt (8), and the axis of the turning pulley (601) is perpendicular to the axis of the piston rod (301) and parallel to the axis of the guide pulley (501).

2. The pneumatic lifting device for the bumper is characterized in that one fixing plate (9) is fixed to one side, away from the second pulley sleeve (6), of one L type positioning plate (1) of the two L type positioning plates (1) close to one side of the piston rod (301), and a fixing hole (901) for the cable (10) to be matched is formed in one end, away from the L type positioning plate (1), of the fixing plate (9).

3. The pneumatic lifting device for the bumper is characterized in that four groups of stabilizer bars (4) are arranged between two groups of L type positioning plates (1), two ends of each stabilizer bar (4) are constructed into a threaded rod structure, and two ends of each stabilizer bar (4) penetrate through a limiting sleeve (2) and a L type positioning plate (1) to be in threaded connection fit with a group of fastening nuts (401).

4. A pneumatic lifting device for a safety catch according to claim 2, wherein: one end of the cable (10) far away from the fixing hole (901) is matched with one side of the guide pulley (501) far away from the piston rod (301), and the cable is wound to one end of the direction-changing pulley (601) close to the piston rod (301) and connected with a group of safety guards (11).

5. The pneumatic lifting device for the bumper is characterized in that the four groups of stabilizer bars (4) are arranged between the two groups of L type positioning plates (1) in an annular array by taking the axis of a cylinder body (3) as the center of a circle.