CN213980790U

CN213980790U - Adjustable pneumatic pick hand-held device

Info

Publication number: CN213980790U
Application number: CN202022648795.0U
Authority: CN
Inventors: 陈家伟; 赵贞珍; 王燕兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-08-17
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses an adjustable pneumatic pick hand-held device relates to coal mining technical field. The technical key points are as follows: including operating handle, operating handle one side is equipped with damping device, operating handle is close to damping device one side and inserts and be equipped with the connecting piece, connecting piece and operating handle sliding connection, the adjacent damping device one side of connecting piece is equipped with the valve that admits air, the adjustable body of rod of damping device one side fixedly connected with is kept away from to the connecting piece, the adjustable body of rod sets up along vertical direction, connecting piece one side cover is kept away from to the adjustable body of rod is equipped with the fixed body of rod, the fixed body of rod and adjustable body of rod sliding connection, a plurality of screw holes have been seted up to adjustable body of rod one side of being close to the fixed body of rod, the fixed body of rod has a plurality of spacing screws on one side of being close to the adjustable body of rod, spacing screw female connection has fixing bolt, adjustable body of rod one side fixedly connected with drift device is kept away from to the fixed body of rod. Make the workman keep away from the working face through the length of adjusting the adjustable body of rod, prevent that the workman is injured.

Description

Adjustable pneumatic pick hand-held device

Technical Field

The utility model relates to a coal mining technical field specifically is an adjustable pneumatic pick hand-held device.

Background

The worker needs to operate in a short distance in the rock breaking process by using the pneumatic pick, when bottom cleaning operation is carried out on the coal face, the worker needs to enter the working face coal wall and the scraper conveyor to operate, the coal and gangue at the top of the working face easily fall to hurt people due to uncertainty factors of people, objects and environment, during operation, because the original quick joint of the air inlet of the pneumatic pick is directly fastened with the screw thread without an angle, the quick joint screw thread is easily turned to be separated by using the rotation frequency of the pneumatic pick, and the pneumatic pick tip spring is also easily fallen off when rotating, so that potential safety hazards exist, and the adjustable pneumatic pick hand-held device is provided.

The above prior art solution has the following drawbacks: workers enter the space between the coal wall of the working face and the scraper conveyor to work, and various hidden dangers are caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an adjustable pneumatic pick hand-held device, through setting up adjustable body of rod and the fixed body of rod sliding connection, through setting up screw hole and spacing screw in the fixed body of rod and adjustable body of rod junction, at spacing screw female connection bolt, through in the threaded hole of bolt threaded connection in the difference to can change the length of device, make the workman can keep away from the working face, thereby can reduce the work hidden danger.

The above object of the present invention can be achieved by the following technical solutions:

an adjustable pneumatic pick hand-held device comprises an operating handle, wherein the operating handle is horizontally arranged, a damping device is fixedly connected to one side of the operating handle, a connecting piece is inserted into one side of the operating handle, which is close to the damping device, the connecting piece is in sliding connection with the operating handle, an air inlet valve is arranged at one side of the connecting piece, which is adjacent to the damping device, an adjustable rod body is fixedly connected to one side of the connecting piece, which is far away from the damping device, the adjustable rod body is arranged along the vertical direction, a fixed rod body is sleeved at one side of the adjustable rod body, which is far away from the connecting piece, the fixed rod body is in sliding connection with the adjustable rod body, a plurality of threaded holes are arranged at one side of the adjustable rod body, which is close to the fixed rod body, the threaded hole is axially perpendicular to the adjustable rod body, a plurality of limiting threaded holes are arranged at one side of the fixed rod body, which is close to the adjustable rod body, the limiting screw hole is axially perpendicular to the axial direction of the fixing rod body, a fixing bolt is connected in the limiting screw hole in an internal thread mode, and a punch device is fixedly connected to one side, far away from the adjustable rod body, of the fixing rod body.

Through adopting above-mentioned technical scheme, through setting up adjustable body of rod and fixed body of rod sliding connection, through setting up screw hole and spacing screw at fixed body of rod and adjustable body of rod junction, at spacing screw female connection bolt, through bolt threaded connection in different threaded holes to can change the length of device, make the workman can keep away from the working face, thereby can reduce the work hidden danger.

The present invention may be further configured in a preferred embodiment as: the punch device comprises a cylinder body, the cylinder body is fixedly connected with the fixed rod body, a hammer body is connected in the cylinder body in a sliding mode, a drill rod of the hammer body is fixedly connected with one side of the fixed rod body, the cylinder body is far away from a fixed spring fixedly connected with one side of the fixed rod body, the fixed spring is far away from one side of the cylinder body and fixedly connected with a pick drill rod, and when the fixed spring is not subjected to external force, the fixed spring is in a non-telescopic state.

Through adopting above-mentioned technical scheme, through setting up the drift device, through sliding connection hammer block in the cylinder body, hammer block front end fixed connection pickaxe borer promotes the hammer block through the air inlet valve device and drives the pickaxe borer and carry out the breakage to the operation face.

The present invention may be further configured in a preferred embodiment as: the cover is equipped with cylindrical guard shield on the cylinder body, cylindrical guard shield with the cylinder body can be dismantled and be connected.

Through adopting above-mentioned technical scheme, can prevent that the stone sediment that breaks open at the during operation from splashing and causing the workman injured through setting up the cylindrical guard shield that can dismantle the connection to can protect the workman.

The present invention may be further configured in a preferred embodiment as: the adjustable rod body is sleeved with an anti-falling handle, and the anti-falling handle is connected with the adjustable rod body in a sliding mode.

Through adopting above-mentioned technical scheme, through set up gliding anticreep handle on the adjustable body of rod to fixing bolt drops, increases stability, thereby protects the workman.

The present invention may be further configured in a preferred embodiment as: damping device includes the shock pad, shock pad one side with operating handle fixed connection, the shock pad is kept away from a plurality of damping spring of operating handle one side fixedly connected with, damping spring keeps away from operating handle one side with damping spring fixed connection, works as when damping spring does not receive external force, damping spring is in not flexible state.

Through adopting above-mentioned technical scheme, through set up damping spring between operating handle and connecting piece to can reduce the anti-seismic force, make things convenient for the workman to operate.

The present invention may be further configured in a preferred embodiment as: the side, far away from the connecting ring, of the connecting rod is hinged with a pedal.

Through adopting above-mentioned technical scheme, through setting up the go-between on the cylinder body, set up articulated connecting rod at the go-between lateral wall, the connecting rod is kept away from the articulated footboard of go-between one side to can make things convenient for the workman to pass through footboard fixing device when using, convenient operation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through setting up adjustable body of rod and the fixed body of rod sliding connection, through setting up screw hole and spacing screw at the fixed body of rod and adjustable body of rod junction, at spacing screw female connection bolt, through in bolt threaded connection the threaded connection of difference to can change the length of device, make the workman can keep away from the working face, thereby can reduce the work hidden danger.

2. Through setting up the drift device, through sliding connection hammer block in the cylinder body, hammer block front end fixed connection pickaxe borer promotes the hammer block through the air inlet valve device and drives the pickaxe borer and carry out the breakage to the operation face.

3. Through setting up cylindrical guard shield, through seting up U type hole on the guard shield, can dismantle the special quick link device of linking in U type downthehole to the gravel and sand of operating surface splashes the injury to the workman when can reducing the operation, can conveniently dismantle U type guard shield through special quick link device.

Drawings

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

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 2;

fig. 4 is an enlarged schematic view of part C of fig. 2.

Reference numerals: 1. an operating handle; 2. a damping device; 21. a shock pad; 22. a damping spring; 3. a connecting member; 4. an intake valve; 5. the adjustable rod body; 6. fixing the rod body; 7. a threaded hole; 8. a limiting screw hole; 9. fixing the bolt; 10. a punch means; 101. a cylinder body; 102. a hammer body; 103. pick rod; 104. Fixing the spring; 11. a cylindrical shroud; 12. an anti-drop handle; 13. a connecting ring; 14. a connecting rod; 15. A pedal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, the adjustable pneumatic pick hand-held device disclosed for the present application comprises an operating handle 1, the operating handle 1 is horizontally disposed, a damping device 2 is fixedly connected to one side of the operating handle 1, a connecting member 3 is inserted into a side of the operating handle 1 close to the damping device 2, the connecting member 3 is slidably connected to the operating handle 1, an air inlet valve 4 is disposed on a side of the connecting member 3 adjacent to the damping device 2, an adjustable rod 5 is fixedly connected to a side of the connecting member 3 away from the damping device 2, the adjustable rod 5 is vertically disposed, a fixed rod 6 is sleeved on a side of the adjustable rod 5 away from the connecting member 3, the fixed rod 6 is slidably connected to the adjustable rod 5, a plurality of threaded holes 7 are disposed on a side of the adjustable rod 5 close to the fixed rod 6, axial directions of the threaded holes 7 are perpendicular to axial directions of the adjustable rod 5, a plurality of limiting screw holes 8 are disposed on a side of the fixed rod 6 close to the

adjustable rod

5, 8 axial perpendicular to the fixed body of rod of the spacing screw 6 axial, 8 female connections in the spacing screw have fixing bolt 9, and the fixed body of rod 6 is kept away from adjustable body of rod 5 one side fixedly connected with drift device 10.

As shown in fig. 1 and 2, the punch device 10 includes a cylinder 101, as shown in fig. 4, the cylinder 101 is fixedly connected with the fixed rod body 6, a hammer body 102 is slidably connected in the cylinder 101, the hammer body 102 is far away from one side of the fixed rod body 6 and fixedly connected with a pick rod, the cylinder 101 is far away from one side of the fixed rod body 6 and fixedly connected with a fixed spring 104, the fixed spring 104 is far away from one side of the cylinder 101 and fixedly connected with a pick rod 103, a cylindrical shield 11 is sleeved on the cylinder 101, the cylindrical shield 11 is detachably connected with the cylinder 101, an anti-falling handle 12 is sleeved on the adjustable rod body 5, and the anti-falling handle 12 is slidably connected with the adjustable rod body 5.

As shown in fig. 1 and 2, the damping device 2 includes a damping pad 21, as shown in fig. 3, one side of the damping pad 21 is fixedly connected to the operating handle 1, one side of the damping pad 21 away from the operating handle 1 is fixedly connected to a plurality of damping springs 22, one side of the damping springs 22 away from the operating handle 1 is fixedly connected to the damping springs 22, one side of the cylinder 101 opposite to the connecting ring 13 is fixedly connected to the connecting ring 13, the side wall of the connecting ring 13 is hinged to two connecting rods 14, and one side of the two connecting rods 14 away from the connecting ring 13 is hinged to the pedal 15.

The utility model discloses in cylindrical guard shield 11 mentioned with dismantling of cylinder body 101 and be connected cylindrical guard shield 11 and set up U type hole, cylindrical guard shield 11 passes U type jogged joint through special quick connecting device with cylinder body 101.

The utility model discloses in fixed connection's fixed spring 104 is the pick point spring welding anticreep chain between pick borer 103 and the hammer block 102 mentioned.

The implementation principle of the embodiment is as follows: before use, the air pick drill rod 103 is abutted against a working surface, the adjustable rod body 5 is slid in the fixed rod body 6, the fixing bolt 9 in the limiting screw hole 8 is screwed, the bolt is screwed into the threaded hole 7 on the adjustable rod body 5, the anti-dropping handle 12 is slid, and the fixing bolt 9 is fixed; when the pneumatic hammer is used, air enters from the air inlet valve, the pick drill 103 is impacted through the sliding hammer body 102 in the cylinder body 101, the rebound force applied to a worker is reduced through the damping device 2 between the operating handle 1 and the connecting piece 3, and the cylindrical protective cover 11 on the cylinder body 101 can effectively prevent the stone slag from splashing to hurt the person; after the use is finished, the pick drill rod 103 is removed, and the air pick is removed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An adjustable pneumatic pick handheld device comprises an operating handle (1), wherein the operating handle (1) is horizontally arranged, and is characterized in that a damping device (2) is fixedly connected to one side of the operating handle (1), a connecting piece (3) is inserted into one side, close to the damping device (2), of the operating handle (1), the connecting piece (3) is in sliding connection with the operating handle (1), an air inlet valve (4) is arranged at one side, adjacent to the damping device (2), of the connecting piece (3), an adjustable rod body (5) is fixedly connected to one side, far away from the damping device (2), of the connecting piece (3), the adjustable rod body (5) is vertically arranged, a fixed rod body (6) is sleeved on one side, far away from the connecting piece (3), of the adjustable rod body (5), the fixed rod body (6) is in sliding connection with the adjustable rod body (5), adjustable body of rod (5) is close to a plurality of screw holes (7) have been seted up to fixed body of rod (6) one side, screw hole (7) axial perpendicular to adjustable body of rod (5) axial, fixed body of rod (6) is close to a plurality of spacing screw (8) have been seted up to adjustable body of rod (5) one side, spacing screw (8) axial perpendicular to fixed body of rod (6) axial, spacing screw (8) female connection has fixing bolt (9), the fixed body of rod (6) is kept away from adjustable body of rod (5) one side fixedly connected with drift device (10).

2. The adjustable pneumatic pick handheld device according to claim 1, wherein the punch device (10) comprises a cylinder (101), the cylinder (101) is fixedly connected with the fixing rod body (6), a hammer body (102) is slidably connected in the cylinder (101), a pick drill rod (103) is fixedly connected to one side of the hammer body (102) away from the fixing rod body (6), a fixing spring (104) is fixedly connected to one side of the cylinder (101) away from the fixing rod body (6), one side of the fixing spring (104) away from the cylinder (101) is fixedly connected with the pick drill rod (103), and when the fixing spring (104) is not subjected to an external force, the fixing spring (104) is in a non-telescopic state.

3. An adjustable pneumatic pick hand-held device according to claim 2, wherein a cylindrical shield (11) is sleeved on the cylinder body (101), and the cylindrical shield (11) is detachably connected with the cylinder body (101).

4. The adjustable pneumatic pick handheld device according to claim 3, wherein an anti-dropping handle (12) is sleeved on the adjustable rod body (5), and the anti-dropping handle (12) is slidably connected with the adjustable rod body (5).

5. The adjustable pneumatic pick hand-held device according to claim 1, wherein the damping device (2) comprises a damping pad (21), one side of the damping pad (21) is fixedly connected with the operating handle (1), one side of the damping pad (21) far away from the operating handle (1) is fixedly connected with a plurality of damping springs (22), one side of the damping spring (22) far away from the operating handle (1) is fixedly connected with the damping springs (22), and when the damping springs (22) are not subjected to external force, the damping springs (22) are in a non-telescopic state.

6. The adjustable pneumatic pick handheld device according to claim 2, wherein a connecting ring (13) is fixedly connected to the opposite side of the cylinder body (101), a plurality of connecting rods (14) are hinged to the side wall of the connecting ring (13), and a pedal (15) is hinged to one side of each connecting rod (14) far away from the connecting ring (13).