CN203679419U

CN203679419U - Handheld type disc dicing saw

Info

Publication number: CN203679419U
Application number: CN201420041174.8U
Authority: CN
Inventors: 程权
Original assignee: FUZHOU DIG SWORD LAND MACHINE Co Ltd
Current assignee: Fujian Pawacker Technology Co ltd
Priority date: 2014-01-23
Filing date: 2014-01-23
Publication date: 2014-07-02
Anticipated expiration: 2024-01-23

Abstract

The utility model relates to a handheld type disc dicing saw, and belongs to the field of emergency work and construction. The handheld type disc dicing saw comprises a horizontal type handheld base. The handheld type disc dicing saw is characterized in that the horizontal type handheld base is internally provided with a hydraulic motor, the output end beside the hydraulic motor is connected with a disc saw web, the back end of the horizontal type handheld base is provided with a right handle, the upper side of the horizontal type handheld base is connected with a lifting and holding handle in a hinged mode, and a friction pair used for producing friction to adjust the direction of the lifting and holding handle is arranged between the lifting and holding handle and the horizontal type handheld base. The dicing saw is simple in structure, the holding handle angle of the lifting and holding handle can be adjusted, the operation flexibility is improved, the labor intensity of workers is relieved, and safety production is facilitated.

Description

Hand-held disk cast-cutting saw

Technical field

The utility model relates to a kind of hand-held disk cast-cutting saw, is applicable to emergency work and construction field.

Background technology

Disk cast-cutting saw is mainly used in the cutting to concrete, metal material and metallic conduit in earthquake fire-fighting and rescue and the repairing of combustion gas running water, existing disk cast-cutting saw mainly contains two kinds, a kind of hydraulic disc cast-cutting saw driving with hydraulic power station, the internal combustion disk cast-cutting saw directly driving with petrol engine, two types of uses are in different occasions.

But conventional hydraulic disc cast-cutting saw complex structure on the one hand in the market, without adjustable handle-bar, without switch security button etc., inconvenient user's operation, on the other hand without safety fastener mechanism, is unfavorable for safety in production.

Summary of the invention

The purpose of this utility model is to provide a kind of adjustable handle-bar hydraulic disc cast-cutting saw, and this cast-cutting saw is not only simple in structure, and it grips the adjustable handle angle of handle, has increased operating flexibility, is conducive to chain saw and operates in any angle, alleviates labor strength.

The technical solution of the utility model is: a kind of hand-held disk cast-cutting saw, comprise horizontal hand-held pedestal, it is characterized in that, in described horizontal hand-held pedestal, be provided with hydraulic motor, on described hydraulic motor side output, be connected with circular saw bit, described horizontal hand-held pedestal rear end is provided with right handles, and horizontal hand-held pedestal upside is hinged with and grips handle, described in grip to be provided with between the bearing block on handle and horizontal hand-held pedestal and produce friction in order to the friction pair that grips handle and regulate orientation.

Further, described horizontal hand-held pedestal is made up of motor flange and the switch base that is connected in motor flange rear end, described hydraulic motor is located at motor flange middle part, on the output of described hydraulic motor, be connected with circular saw bit, described in grip handle and be hinged with the bearing block that is connected in motor flange upper end.

Further, the described handle that grips is that a N-shaped grips handle, on the end face in opposite directions of its lower ending opening, be respectively equipped with profile of tooth piece, on the end face in opposite directions of described two profile of tooth pieces, be respectively equipped with toothed surface, described bearing block both sides is respectively equipped with toothed surface on side end face, described N-shaped grips handle and profile of tooth piece and is hinged through a longitudinal connecting screw rod and locking nut and bearing block, and the end face that described profile of tooth piece and bearing block match forms a pair of toothed surface friction pair.

Further, described motor flange side is also connected with the cover body of cover cap at the circular saw bit first half, and described cover body rear side below is also connected with cooling water pipe.

Further, described switch base is made up of switch base pedestal and the right handles that is connected in its rear side upper end, described switch base pedestal and right handles are integral, described right handles front end offers longitudinal groove, in described groove, be provided with the curved trigger of lever, described curved trigger middle part is hinged with right handles, the hinged front end of described curved trigger is positioned at switch base pedestal top and matches to control hydraulic motor with the control valve small end of being located at switch base pedestal, the hinged rear end of described curved trigger is positioned at right handles lower end, and on it, has the upper protruding block raising up.

Further, the small end of described control valve is arranged on switch base through support set, the large end inner chamber of described control valve is installed acuminous off-load spool, and the rear end of off-load spool is sleeved in off-load spool Compress Spring, and the other end of spring is withstood by the plug being locked on switch base.

Further, described right handles middle part also offers abdominal cavity, in described abdominal cavity, be hinged with insurance briquetting, the hinged front end of described insurance briquetting has the down-turned portion of supporting mutually with upper protruding block, right handles abdominal cavity is stretched out in the insurance hinged rear end of briquetting, and the hinged place of described insurance briquetting is also provided with the torsion spring with its reset.

Further, described switch base rear side lower end is communicated with oil inlet pipe and flowline.

Compared with prior art, the utlity model has following advantage: this cast-cutting saw is not only simple in structure, and it grips handle and can rotate to adjust around bearing block and grip angle, the operation of very convenient cast-cutting saw in the time that any angle is used, the right handles of this cast-cutting saw is provided with insurance briquetting simultaneously, can effectively avoid the maloperation in use procedure, be conducive to operator's safety in production.

brief description of the drawings

Fig. 1 is structural scheme of mechanism of the present utility model;

Fig. 2 is the a-a cutaway view of Fig. 1 of the present utility model;

Fig. 3 is the b-b cutaway view of Fig. 1 of the present utility model;

Fig. 4 is the C district enlarged drawing of Fig. 1 of the present utility model;

In figure: the 1-hydraulic motor 2-motor flange 3-switch base pedestal 31-control valve die cavity 4-insurance hinged rear end of the briquetting 41-bend 5-curved trigger 61-of the torsion spring 6-curved trigger curved trigger of hinged front end 62-63-upper protruding block 7-support set 8-control valve 10-spool Compress Spring 14-plug 16-cover body 17-circular saw bit 18-bearing block 19-grips the handle 19b-profile of tooth piece 19c-connecting screw rod 19d-locking nut 20-cooling water pipe 21-longitudinal groove 212-of right handles 211-abdominal cavity 23-off-load spool.

Detailed description of the invention

For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below, but the utility model is not limited to this.

Referring to figs. 1 to Fig. 4, a kind of hand-held disk cast-cutting saw, comprise horizontal hand-held pedestal, in described horizontal hand-held pedestal, be provided with hydraulic motor 1, on described hydraulic motor side output, be connected with circular saw bit 17, described horizontal hand-held pedestal rear end is provided with right handles 21, and horizontal hand-held pedestal upside is hinged with and grips handle 19, described in grip to be provided with between the bearing block 18 on handle 19 and horizontal hand-held pedestal and produce friction in order to the friction pair that grips handle and regulate orientation.

In the present embodiment, described horizontal hand-held pedestal is made up of motor flange 2 and the switch base 3 that is connected in motor flange rear end, described hydraulic motor 1 is located at motor flange middle part, on the output of described hydraulic motor, be connected with circular saw bit, described in grip handle 19 and be hinged with the bearing block 18 that is connected in motor flange 2 upper ends.

The above-mentioned handle 19 that grips is that a N-shaped grips handle 19, on the end face in opposite directions of its lower ending opening, be respectively equipped with profile of tooth piece 19b, on the end face in opposite directions of described two profile of tooth pieces, be respectively equipped with toothed surface, described bearing block both sides is respectively equipped with toothed surface on side end face, described N-shaped grips handle 19 and profile of tooth piece 19b and is hinged through a longitudinal connecting screw rod 19c and locking nut 19d and bearing block, and the end face that described profile of tooth piece 19b and bearing block 18 match forms a pair of toothed surface friction pair.

In order to increase the security of circular saw, described motor flange side is also connected with the semicircle cover body 16 of cover cap at the circular saw bit first half, in order to rinse circular saw bit 17, is that it is cooling simultaneously, and described cover body 16 rear sides are also connected with cooling water pipe 20.

Above-mentioned switch base is made up of switch base pedestal 3 and the right handles 21 that is connected in its rear side upper end, described switch base pedestal 3 and right handles 21 are integral, described right handles 21 front ends offer longitudinal groove 211, in described groove, be provided with the curved trigger 62 of lever, described curved trigger 62 middle parts and right handles 21 are hinged, the hinged front end 61 of described curved trigger is positioned at switch base pedestal 3 tops and matches to control hydraulic motor 1 with control valve 8 external parts of being located at switch base pedestal 3, described curved trigger 62 is articulated with right handles lower end, and on it, there is the upper protruding block 63 raising up.

The small end of described control valve 8 is through supporting cover 7 to be arranged on switch base 3, the large end inner chamber of described control valve 8 is installed acuminous off-load spool 23, the rear end of off-load spool 23 is sleeved in spool Compress Spring 10, and the other end of spool Compress Spring 10 withstands by being locked in switch base 3 upper plug heads 14.Cause spring to press to control valve 8.

In order to ensure the safety in operating process, prevent maloperation, above-mentioned right handles middle part also offers abdominal cavity 212, in described abdominal cavity, be hinged with insurance briquetting 4, the hinged front end of described insurance briquetting has the down-turned portion 41 of supporting mutually with upper protruding block, right handles abdominal cavity is stretched out in the insurance hinged rear end of briquetting, and the hinged place of described insurance briquetting is also provided with the torsion spring 5 with its reset.

In order to drive hydraulic motor to rotate, described switch base rear side lower end is communicated with oil inlet pipe 15a and flowline 15b.

The using method of this cast-cutting saw: by depress insurance briquetting 4 with palm, with the cocked curved trigger 6 of finger, spool is pressed down so that realizing pressure oil enters in hydraulic motor 1 in operating process simultaneously, make hydraulic motor drive circular saw bit to run well.

The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.

Claims

1. a hand-held disk cast-cutting saw, comprise horizontal hand-held pedestal, it is characterized in that, in described horizontal hand-held pedestal, be provided with hydraulic motor, on described hydraulic motor side output, be connected with circular saw bit, described horizontal hand-held pedestal rear end is provided with right handles, and horizontal hand-held pedestal upside is hinged with and grips handle, described in grip to be provided with between the bearing block on handle and horizontal hand-held pedestal and produce friction in order to the friction pair that grips handle and regulate orientation.

2. hand-held disk cast-cutting saw according to claim 1, described horizontal hand-held pedestal is made up of motor flange and the switch base that is connected in motor flange rear end, described hydraulic motor is located at motor flange middle part, on the output of described hydraulic motor, be connected with circular saw bit, described in grip handle and be hinged with the bearing block that is connected in motor flange upper end.

3. hand-held disk cast-cutting saw according to claim 1 and 2, the described handle that grips is that a N-shaped grips handle, on the end face in opposite directions of its lower ending opening, be respectively equipped with profile of tooth piece, on the end face in opposite directions of described two profile of tooth pieces, be respectively equipped with toothed surface, described bearing block both sides is respectively equipped with toothed surface on side end face, described N-shaped grips handle and profile of tooth piece and is hinged through a longitudinal connecting screw rod and locking nut and bearing block, and the end face that described profile of tooth piece and bearing block match forms a pair of toothed surface friction pair.

4. hand-held disk cast-cutting saw according to claim 2, described motor flange side is also connected with the cover body of cover cap at the circular saw bit first half, and described cover body rear side below is also connected with cooling water pipe.

5. hand-held disk cast-cutting saw according to claim 2, described switch base is made up of switch base pedestal and the right handles that is connected in its rear side upper end, described switch base pedestal and right handles are integral, described right handles front end and switch base pedestal junction offer longitudinal groove, in described groove, be provided with the curved trigger of lever, described curved trigger middle part is hinged with right handles, the hinged front end of described curved trigger is positioned at switch base pedestal top and matches to control hydraulic motor with the control valve small end of being located at switch base pedestal, the hinged rear end of described curved trigger is positioned at right handles lower end, and on it, there is the upper protruding block raising up.

6. according to the hand-held disk cast-cutting saw described in claim 5, the small end of described control valve is arranged on switch base through support set, the large end inner chamber of described control valve is installed acuminous off-load spool, the rear end of off-load spool is sleeved in off-load spool Compress Spring, and the other end of spring is withstood by the plug being locked on switch base.

7. hand-held disk cast-cutting saw according to claim 5, described right handles middle part also offers abdominal cavity, in described abdominal cavity, be hinged with insurance briquetting, the hinged front end of described insurance briquetting has the down-turned portion of supporting mutually with upper protruding block, right handles abdominal cavity is stretched out in the insurance hinged rear end of briquetting, and the hinged place of described insurance briquetting is also provided with the torsion spring with its reset.

8. hand-held disk cast-cutting saw according to claim 5, described switch base rear side lower end is communicated with oil inlet pipe and flowline.