CN218313278U

CN218313278U - Cutting tooth assembling and disassembling tool

Info

Publication number: CN218313278U
Application number: CN202222797174.8U
Authority: CN
Inventors: 徐永庆; 王立斌; 王德鹏; 陶明智
Original assignee: Saddle Shan'ao Days Machinery Technology Co ltd
Current assignee: Saddle Shan'ao Days Machinery Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-17
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a cutting pick assembling tool, which comprises an assembling chuck component, a main machine body component and a control component, wherein the control component is arranged at the bottom of the main machine body component; the installation chuck component is in threaded connection with one end of the main machine body component, the installation chuck component comprises a clamping jaw, a clutch sleeve and a push rod, and one end of the clamping jaw is in threaded connection with one end of the main machine body component. The utility model can adapt to various special operating environments including mine, tunnel, underwater, inflammable and explosive and the like by using fully convenient energy; the clamping heads with different types can be installed according to the size of a workpiece, and the machine can also be used for drawing and impacting a bearing, a shaft and other workpieces, so that the host machine has wider expansibility; the technical scheme adopts a handheld small-sized automatic tool, so that the operation is simple, safe and efficient; the dismounting operation is consistent with the positive direction of the workpiece, the required operation space is small, and the arrangement and adjustment space of the cutting teeth is larger in the design of mechanical equipment.

Description

Cutting tooth assembling and disassembling tool

Technical Field

The utility model belongs to the technical field of pick installation, dismantlement pneumatic tool, specifically speaking, the utility model relates to a pick assembling and disassembling tool.

Background

At present, large-scale drilling and excavating machinery equipment at home and abroad mostly adopts replaceable alloy cutter heads (cutting teeth), such as road milling machines, ditching machines, mining machinery, cutter suction dredger, shield machinery and the like.

In the construction operation, as a loss part for drilling and digging, the cutting teeth are replaced frequently, and manual operation modes such as collision, knocking and the like are adopted; in addition, uncertain factors such as bad construction site environment and the like, the cutting tooth replacement labor intensity is high, the working efficiency is low, the engineering progress and the personal safety of constructors are seriously affected, and therefore a cutting tooth part needs to be replaced with a cutting tooth loading and unloading tool frequently.

The existing cutting tooth assembling and disassembling tool has the following defects:

1. when the existing cutting tooth assembling and disassembling tool faces some complex construction environments, the cutting tooth can not be replaced well by the aid of safe and efficient guarantee.

2. The chuck of different models is with trading according to the size of different work pieces that current pick assembling and disassembling instrument can not be fine to the expansibility of host computer has been reduced.

3. The existing cutting tooth assembling and disassembling tool is large in size, is inconvenient to carry on a site with complex construction, and is excessively complex to operate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cutting pick assembling tool has solved the problem that proposes among the above-mentioned background art.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: a cutting pick assembling and disassembling tool comprises an installing chuck component, a main body component and a control component, wherein the control component is arranged at the bottom of the main body component; the mounting chuck component is in threaded connection with one end of the main machine body component;

the installation chuck subassembly includes jack catch, separation and reunion cover and push rod, the one end threaded connection of jack catch in the one end of host computer body subassembly, the separation and reunion cover through first locating pin fixed connection in the surface of jack catch, the push rod through second locating pin fixed connection in the internal surface of jack catch, the first helical compression spring of one end fixedly connected with of push rod, the other end of first helical compression spring and one side fixed connection of jack catch inner wall, the top and the bottom of separation and reunion cover all are provided with axle steel wire retainer ring.

Preferably, the main body assembly comprises a cylinder body, one end of the cylinder body is fixedly connected with a cylinder cover, and the inner cavity of the cylinder body is fixedly connected with a piston body through two second helical compression springs.

Preferably, both sides of the inner wall of the cylinder body are fixedly connected with first impact blocks, both sides of the piston body are fixedly connected with second impact blocks, both sides of the surface of the piston body are provided with one-way sealing elements, and the surface of the piston body is provided with a two-way piston sealing element.

Preferably, the control assembly comprises an air inlet, an air outlet and a handle, the air inlet is arranged on one side of the bottom of the main body assembly, the air inlet is arranged on the other side of the bottom of the main body assembly, and the handle is fixedly connected to one side of the main body assembly.

Preferably, the bottom end of the air inlet hole is communicated with an air inlet pipe, one end of the air inlet pipe is provided with a quick connector, the bottom end of the air outlet hole is communicated with an air outlet pipe, and the bottom end of the air outlet pipe is communicated with the air inlet pipe.

Preferably, the intercommunication department of outlet duct and intake pipe is provided with the gas circuit switching-over valve, supreme air pressure regulating valve and the control switch of having set gradually are down followed to the surface of intake pipe, the top of intake pipe is provided with quick-operation joint.

The beneficial effect of adopting above technical scheme is: 1. the safe and convenient energy selection can adapt to various special operating environments including mines, tunnels, underwater, inflammable and explosive environments and the like; 2. the clamping heads with different types can be installed according to the size of a workpiece, and the machine can also be used for drawing and impacting a bearing, a shaft and other workpieces, so that the expansibility of a main machine is wider; 3. the technical scheme adopts the handheld small-sized automatic tool, is convenient to carry, simple to operate, safe and efficient; 4. the dismounting operation is consistent with the positive direction of the workpiece, the required operation space is small, and the arrangement and adjustment space of the cutting teeth is larger in the design of mechanical equipment.

Drawings

FIG. 1 is an external overall block diagram of a cutting pick assembling tool provided by the present invention;

FIG. 2 is a cross-sectional view of the main body assembly;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

wherein:

1. mounting a chuck component; 11. a claw; 12. a clutch sleeve; 13. a push rod; 14. a first helical compression spring; 15. a steel wire retainer ring for the shaft; 2. a main body assembly; 21. a cylinder body; 22. a cylinder cover; 23. a second helical compression spring; 24. a piston body; 25. a first impact block; 26. a second impact block; 27. a one-way seal; 28. a bi-directional piston seal; 3. a control component; 31. an air inlet; 32. an air outlet; 33. a handle; 34. an air inlet pipe; 35. an air outlet pipe; 36. a gas path directional control valve; 37. an air pressure regulating valve; 38. a control switch; 39. a quick coupling.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.

As shown in fig. 1-3, the utility model relates to a pick dress and remove instrument has the energy of utilizing safe convenient, and portable lightweight mechanical device is in the face of the construction environment of various complicacies under, the homoenergetic is safe, the efficient is accomplished the advantage to the change operation of pick.

Specifically, as shown in fig. 1 to 3, the device comprises a mounting chuck assembly 1, a main body assembly 2 and a control assembly 3, wherein the control assembly 3 is arranged at the bottom of the main body assembly 2;

the mounting chuck component 1 is connected with one end of the main machine body component 2 in a threaded manner;

the mounting chuck assembly 1 comprises a clamping jaw 11, a clutch sleeve 12 and a push rod 13, one end of the clamping jaw 11 is in threaded connection with one end of the main machine body assembly 2, the clutch sleeve 12 is fixedly connected to the outer surface of the clamping jaw 11 through a first positioning pin, the push rod 13 is fixedly connected to the inner surface of the clamping jaw 11 through a second positioning pin, one end of the push rod 13 is fixedly connected with a first spiral compression spring 14, the other end of the first spiral compression spring 14 is fixedly connected with one side of the inner wall of the clamping jaw 11, and the top and the bottom of the clutch sleeve 12 are both provided with a steel wire retaining ring 15 for a shaft;

the jack catch 11 is a main body unit for fixing a cutting tooth workpiece and bearing push-pull acting force, the front end of the jack catch is provided with an inward hook-shaped bulge for fixing a notch ring of the cutting tooth, four parts are evenly divided by axial cutting, four groove-shaped openings are distributed on the middle tubular body in the axial direction and are connected with a notch of the conical body, and the tail end cylinder body is externally threaded for being connected with the cylinder body 21. The clamping jaw 11 is of an integrated structure, the front part of the clamping jaw is provided with an opening, the rear part of the clamping jaw is connected, the requirements of high elasticity and impact strength are met, the clutch sleeve 12 is a movable sleeve with a conical surface at the front end and four positioning holes at the middle part, the push rod 13 is a similar cylinder with a conical surface at the outer front end, an open ring groove at the middle part and a hole drilled at the inner side of the tail end;

when the clutch sleeve 12 is pulled to move backwards, under the synchronous action of the first positioning pin and the second positioning pin, the push rod 13 moves backwards to extrude the inner conical surface of the clamping jaw 11, four parts at the front end of the clamping jaw 11 are separated, the clamping jaw can be sleeved on a cutting tooth at the moment, the clutch sleeve 12 is released, the push rod 13 and the clutch sleeve 12 are pushed to move forwards under the action of the tension of the first spiral compression spring 14, the extruding surface of the push rod 13 is loosened, the conical surface of the clutch sleeve 12 acts on the outer portion of the clamping jaw 11, and the opening of the clamping jaw 11 contracts inwards.

The main body assembly 2 comprises a cylinder body 21, one end of the cylinder body 21 is fixedly connected with a cylinder cover 22, and the inner cavity of the cylinder body 21 is fixedly connected with a piston body 24 through two second spiral compression springs 23.

The two sides of the inner wall of the cylinder body 21 are fixedly connected with first impact blocks 25, the two sides of the piston body 24 are fixedly connected with second impact blocks 26, the two sides of the surface of the piston body 24 are provided with one-way sealing elements 27, the surface of the piston body 24 is provided with two-way piston sealing elements 28, and the first impact blocks 25 and the second impact blocks 26 are respectively arranged on the acting surfaces of the piston body 24, the cylinder body 21 and the cylinder cover 22.

The control assembly 3 comprises an air inlet 31, an air outlet 32 and a handle 33, wherein the air inlet 31 is arranged at one side of the bottom of the main body assembly 2, the air inlet 31 is arranged at the other side of the bottom of the main body assembly 2, the handle 33 is fixedly connected at one side of the main body assembly 2, and the air inlet 31 and the air outlet 32 are arranged at the bottom of the cylinder body 21.

The bottom end of the air inlet hole 31 is communicated with an air inlet pipe 34, one end of the air inlet pipe 34 is provided with a quick coupling 39, the bottom end of the air outlet hole 32 is communicated with an air outlet pipe 35, the bottom end of the air outlet pipe 35 is communicated with the air inlet pipe 34, and the air inlet pipe 34 and the air outlet pipe 35 both pass through the handle 33.

A gas path reversing valve 36 is arranged at the communication part of the gas outlet pipe 35 and the gas inlet pipe 34, a gas pressure regulating valve 37 and a control switch 38 are sequentially arranged on the surface of the gas inlet pipe 34 from bottom to top, a quick connector 39 is arranged at the top of the gas inlet pipe 34, and the control switch 38 and the gas path reversing valve 36 are opened to select impact or drawing operation;

when an air cylinder on one side is selected to admit air, the piston body 24 moves to impact the cylinder body 21 instantly under the action of high-pressure air to form inertial thrust, the air inlet hole 31 is closed, the air outlet hole 32 is opened, the piston body 24 moves back slowly to exhaust under the action of the tension of the second spiral compression spring 23 to complete a working cycle, the air inlet hole 31 is opened, the air outlet hole 32 is closed, the previous action is repeated under the action of air pressure, the air cylinders are driven to move forwards by the inertial thrust in the same direction along with the fast-forward and slow-return impact actions, and the inertial displacement direction of the main machine body can be changed by selecting different air inlet directions.

In summary, the following steps: as shown in fig. 1-3, when using the cutting pick assembly tool, first when the cutting pick operation needs to be disassembled: the main gas source is connected through the quick connector 39, the clutch sleeve 12 is pulled backwards manually, the first positioning pin drives the push rod 13 to move backwards, the conical surface of the push rod 13 extrudes the clamping jaw 11, the front end of the clamping jaw 11 is opened, and a cutting tooth to be disassembled is inserted; releasing the clutch sleeve 12, returning the push rod 13 and the clutch sleeve 12 under the action of the tension of the first spiral compression spring 14, extruding the outer side of the jaw 11 by the inner conical surface of the clutch sleeve 12, and contracting the front end of the jaw 11 under the combined action of the elasticity of the jaw 11 to fix a disassembled workpiece; rotating the air path directional control valve 36 to the front, opening and communicating a front cavity air path, holding the rear side handle 33, pressing down the control switch 38, opening the air path directional control valve 36, allowing the compressed air to flow to the front cavity of the cylinder body 21 through the air inlet pipe 34, expanding the air to do work, impacting and pushing the first impact block 25 on the piston body 24 to impact with the second impact block 26 on the cylinder cover 22 to form inertia force, closing the air inlet hole 31 at the moment, opening the air outlet hole 32, reducing the pressure in the cavity, pushing the piston body 24 to move backwards to slowly move for exhaust by the second spiral compression spring 23, opening the air inlet hole 31 at the moment, and closing the air outlet hole 32; under the action of compressed air, the piston body 24 repeatedly does work back and forth; adjusting the air pressure regulating valve 37 to proper air pressure according to the workpiece impact requirement, moving backwards under the impact action of the main machine body, driving the workpiece to do drawing work until the workpiece moves out, closing the control switch 38, pulling the clutch sleeve 12, and unloading the dismantled workpiece;

when the cutting pick needs to be installed: the clutch sleeve 12 is pulled, a new cutting tooth is installed, the air path reversing valve 36 is rotated to the rear, the air path communicated with the rear cavity is opened, the cutting tooth cutter bar is aligned with the cutting tooth base hole, the rear side handle 33 is held, the control switch 38 is pressed, the air path reversing valve 36 is opened, compressed gas flows to the rear cavity of the cylinder body 21 through the air inlet pipe 34 and the air outlet pipe 35 to expand and do work, the piston body 24 continuously reciprocates to generate forward impact force, and the main machine body is driven to punch a workpiece into the cutting tooth base installation hole, so that installation is completed.

The present invention has been described in detail with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments shown, and that various insubstantial modifications can be made thereto without departing from the spirit and scope of the present invention; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.

Claims

1. The utility model provides a pick assembling and disassembling tool, includes installation chuck subassembly (1) and main engine body subassembly (2), its characterized in that: the control device further comprises a control component (3), and the control component (3) is arranged at the bottom of the main machine body component (2);

the mounting chuck component (1) is in threaded connection with one end of the main machine body component (2);

installation chuck subassembly (1) includes jack catch (11), separation and reunion cover (12) and push rod (13), the one end threaded connection of jack catch (11) in the one end of host computer body subassembly (2), separation and reunion cover (12) through first locating pin fixed connection in the surface of jack catch (11), push rod (13) through second locating pin fixed connection in the internal surface of jack catch (11), the first helical compression spring (14) of one end fixedly connected with of push rod (13), the other end of first helical compression spring (14) and one side fixed connection of jack catch (11) inner wall, the top and the bottom of separation and reunion cover (12) all are provided with axle steel wire retainer ring (15).

2. The pick loading tool of claim 1, wherein: the main engine body assembly (2) comprises a cylinder body (21), one end of the cylinder body (21) is fixedly connected with a cylinder cover (22), and an inner cavity of the cylinder body (21) is fixedly connected with a piston body (24) through two second spiral compression springs (23).

3. The pick loading tool of claim 2, wherein: the cylinder is characterized in that first impact blocks (25) are fixedly connected to two sides of the inner wall of the cylinder body (21), second impact blocks (26) are fixedly connected to two sides of the piston body (24), one-way sealing elements (27) are arranged on two sides of the surface of the piston body (24), and two-way piston sealing elements (28) are arranged on the surface of the piston body (24).

4. The pick loading tool of claim 1, wherein: control assembly (3) include inlet port (31), venthole (32) and handle (33), inlet port (31) are seted up in one side of host computer body element (2) bottom, inlet port (31) are seted up in the opposite side of host computer body bottom, handle (33) fixed connection in one side of host computer body element (2).

5. The pick loading tool of claim 4, wherein: the bottom end of the air inlet hole (31) is communicated with an air inlet pipe (34), one end of the air inlet pipe (34) is provided with a quick connector, the bottom end of the air outlet hole (32) is communicated with an air outlet pipe (35), and the bottom end of the air outlet pipe (35) is communicated with the air inlet pipe (34).

6. A pick assembling tool as claimed in claim 5, wherein: the utility model discloses a pneumatic control valve, including inlet pipe (34), outlet duct (35), control switch (38), the top of inlet pipe (34) is provided with quick-operation joint (39), the intercommunication department of outlet duct (35) and inlet pipe (34) is provided with gas circuit switching-over valve (36), supreme air pressure regulating valve (37) and the control switch (38) of having set gradually are down followed to the surface of inlet pipe (34).