CN2333488Y

CN2333488Y - Portable valve grinder

Info

Publication number: CN2333488Y
Application number: CN98235986U
Authority: CN
Inventors: 张振峰; 宋阳虎; 于金生; 张军朝
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-06-25
Filing date: 1998-06-25
Publication date: 1999-08-18
Anticipated expiration: 2008-06-25

Abstract

The utility model relates to a portable valve grinder belonging to the field of valve repair tools, and is designed for the high-speed accurate repair for valve on a pipeline. The utility model is characterized in that being composed of a grinder and auxiliaries, one end of the grinder is connected with a motor by a transmission sleeve (1), the other end of the grinder is connected with the grinding transmission shaft (3), the shaft head is provided with a grinding head (6) or (14), the outer column of the transmission sleeve (1) is provided with a bearing (7), a casing (8) is sheathed on the bearing (7) and is connected with the motor (9), the auxiliaries comprise a protection concentric locking collar (10) screwed on the casing (8), or a connecting ring (13) with an inside screw thread or an outside screw thread, a connecting tube (15) is sheathed on the grinder and is screwed with a thread ring (13), and the other head is screwed with a valve core base (16). The utility model is mainly suitable for repair valve seat and valve core locally, and ensures safe operation.

Description

The novel portable valve grinding machine

The utility model relates to valve and repairs the facility class.

Valve leak on the pipeline appears in the production scene or when damaging, the pipeline that need stop generally speaking operation is removed and is damaged valve, changes new valve or stopping production and treats to load onto after fix in the machine repair workshop start operation again, this renewal or stopping production are waited to repair, and bring very big loss to enterprise.In recent years, along with development of technology, also there is producer to use the pistol type electric drill and on drill chuck, loads onto band handle grinding head, at the scene to the valve seat place under repair, play the spot repair valve seat and act on efficiently, but when the spool serious wear, also need to take spool to workshop repair.This with being with the bar bistrique to be installed on the pistol type electric drill, hand-held pistol type electric drill is repaired valve seat, especially conical valve base and is difficult to make drilling rod concentric with the center line in conical valve base hole, easily grinds the conical valve base of eccentric distortion, does not reach expected effect behind the poppet valve core of packing into; Spool is taken workshop repair delay time at stop again, and this repairing valve mode still can not satisfy the quick requirement of repairing of ensuring the quality of products concerning tinuous production.Remove more new valve, in the storehouse a certain amount of deposit, then occupied fund need be arranged; Upgrade,, stop production and buy the replacing part, influence the performance of enterprises if not in stock need go to buy everywhere.

The purpose of this utility model be to design a kind of can be in time in the production scene to damaging valve, the valve grinding machine of place under repair when repairing valve seat, can guarantee that the bistrique axis is concentric with the center line of valve seat orifice, the contact surface of valve seat is stressed even; Same spool also can be repaired on same facility, guarantees the valve field repair, resumes production fast, saves repairing time and expense, reduces production cost.

The realization the technical solution of the utility model is: it is made up of valve grinding machine and auxiliary, one of pipe shape drive sleeve is shaped on the hole that connects hand-held buncher power transmission shaft, compression spring is equipped with at the oval slotted hole that is shaped on of proximal head place tube wall symmetry in the other end in the pipe, the termination is the pipe hole.A final drive shaft that connects the hand-held buncher of drive sleeve, insert in the hole of other end and grind power transmission shaft, pin-and-hole on the utilization grinding power transmission shaft spindle nose and the symmetrical ellipse slotted hole on the jacket wall of drive sleeve proximal end connect together both with pin, on another termination of grinding power transmission shaft grinding head are housed.Bearing is equipped with at two of drive sleeve outside cylinder, the minor diameter of T font shell and major diameter external cylindrical surface junction, be shaped on screw thread on the outside cylinder of little straight warp, T font outer cover suit is on the bearing of drive sleeve, and the heavy caliber end is connected together T font shell and hand-held buncher shell by screw and forms valve grinding machine.Auxiliary has the connecting ring that is added in the T font shell little directly safeguarding the Graduate Record Examination on cylinder mill concentric locking collar or screws on internal and external threads, and tube connector suit grinder also is screwed on the threaded collar, and the other end of tube connector screws in spool and grinds pedestal.

Concrete structure of the present utility model is provided by the following examples and accompanying drawing thereof.

Fig. 1 is the structural representation when grinding conical valve base according to the novel portable valve grinding machine that the utility model proposes.

Fig. 2 is the structural representation when grinding poppet valve core according to the novel portable valve grinding machine that the utility model proposes.

Describe specific structural details and working condition in detail below in conjunction with Fig. 1, Fig. 2 according to the novel portable valve grinding machine that the utility model proposes.

With reference to Fig. 1: when the novel portable valve grinding machine grinds conical valve base (19).The power transmission shaft of (1) equipped hand-held buncher of pipe shape drive sleeve (9), proximal head place, other end symmetry on tube wall, be shaped on oval slotted hole (11), compression spring (2) is housed in the pore of drive sleeve (1), be fitted with in the endoporus of other end and grind power transmission shaft (3), pin-and-hole of making on utilization grinding power transmission shaft (3) spindle nose and the symmetrical ellipse slotted hole (11) on drive sleeve (1) the proximal head place jacket wall, with pin (4) drive sleeve (1) and grinding power transmission shaft (3) are connected together, another center, termination of grinding power transmission shaft (3) is shaped on inner hexagonal hole (31), magnetic sheet (5) is housed at the bottom of the hole of inner hexagonal hole (31), conical valve base grinding head (6) is housed at last.Bearing (7) is equipped with at outside cylinder two of drive sleeve (1); Grinder shell (8) becomes the T font, in minor diameter and major diameter joint, is shaped on one section external screw thread on the external diameter of minor diameter, and inwall is shaped on the size that matches with bearing (7).T font shell (8) is sleeved on the bearing (7) of drive sleeve (1), and the heavy caliber end is connected together T font shell (8) and hand-held buncher shell by screw (12).According to the processing conical valve base right different apertures, novel portable valve grinding machine shell (8) also match the auxiliary guarantor concentric locking collar (10) that different apertures are arranged.

With reference to Fig. 1, Fig. 2, when the novel portable valve grinding machine grinds poppet valve core (18), on the termination of grinding power transmission shaft (3), load onto poppet valve core grinding head (14), on the screw thread of grinder shell (8), screw-in has the auxiliary connecting ring (13) of internal and external threads, (15) one of the tube connectors of band peep hole are screwed on the connecting ring (13), are connected with in the pore of other end to grind poppet valve core pedestal (16).Poppet valve core pedestal (16) shape such as pipe fitting plug have precession to go out lever, and bottle cap shape is inwardly made in the bottom surface, and lid has a pin hole at the end, and pin is housed in the hole.

The novel portable valve grinding machine is mainly production scene pipeline valve leakage and repairs fast on the spot and design, in the production scene, when finding that the cone valve door has leakage phenomenon, suspend pipeline, remove the valve gap that leaks cone valve, according to conical valve base institute to caliber size, decision adds on grinder T font shell (8) and does not add guarantor's concentric locking collar (10), the selected then required conical valve base grinding head of conical valve base (6), after selected, the hexagonal handle of conical valve base grinding head (6) is inserted in grinding power transmission shaft (3) the termination inner hexagonal hole of valve grinding machine, by magnetic sheet in the hole (5) adhesive.Then the novel portable valve grinding machine being inserted needs to repair on the conical valve base, start hand-held buncher (9), the power transmission shaft of motor (9) drives drive sleeve (1) and grinds power transmission shaft (3), conical valve base grinding head (6) rotation, manpower stresses on the hand-held motor (9), force spring (2) compression, the spring (2) of pressure in drive sleeve (1) ground power transmission shaft (3) pass on the grinding head (6), reach the purpose of repairing conical valve base; If poppet valve core also has wearing and tearing to repair, earlier poppet valve core is pulled down, be placed in the poppet valve core pedestal (16), in the inner hexagonal hole of grinding power transmission shaft (3) termination of novel portable valve grinding machine, pack into and be with the poppet valve core grinding head (14) of hexagonal handle, and be added in guarantor's concentric locking collar (10) on the grinder shell (8) when remove repairing conical valve base, screw in auxiliary threaded collar (13), tube connector (15) suit also is screwed on the threaded collar (13) on the grinder shell (8), and the other end screws in the poppet valve core pedestal (16) that poppet valve core is housed, start hand-held motor (9), precession poppet valve core pedestal (16) in tube connector (15) reaches the purpose of repairing poppet valve core, screws out poppet valve core pedestal (16) at last, take out the poppet valve core of repairing, pack at last in the cone valve, finish whole repairings, install valve again after, open pipeline, continue to produce.

Advantage of the present utility model: 1, realized in the production scene rapidly and efficiently repairing, improved the repairing work efficiency; 2, Owing to additionally arranged guarantor's concentric locking collar on the grinder, guaranteed to repair morpheme, the dimensional accuracy of rear conical valve base; 3, owing to set up Auxiliary makes poppet valve core obtain repairing at same machine, has solved the problem of poppet valve core spot repair difficulty; 4, because electricity The work efficiency height is repaired in machine variable-ratio, positive and negative rotation; 5, owing to designed compression spring in the drive sleeve, make grinding head and quilt During the machined surface contact cushioning effect is arranged, simultaneously, machined surface is stressed evenly, is convenient to general workman and operates use.

Claims

1, by motor, the novel portable valve grinding machine of power transmission shaft and first-class composition of grinding, it is characterized in that it is made up of grinder and auxiliary, (1) one of the pipe shape drive sleeve of grinder is shaped on the hole of matching with the power transmission shaft (91) of hand-held buncher (9), symmetry is shaped on oval slotted hole on proximal head place, the other end tube wall, compression spring (2) is housed in the pipe, another termination is the pipe hole, (1) one of drive sleeve connects hand-held buncher (9), insert in the hole of other end and grind power transmission shaft (3), pin-and-hole on grinding power transmission shaft (3) spindle nose and the symmetrical ellipse slotted hole (11) on drive sleeve (1) tube wall connect together both with pin (4), on another termination of grinding power transmission shaft (3) grinding head (6) or (14) are housed, bearing (7) is equipped with at two of the outside cylinder of drive sleeve (1), the minor diameter of T font shell (8) and major diameter external cylindrical surface junction, be shaped on screw thread on the outside cylinder of minor diameter, T font outer cover suit is on the bearing (7) of drive sleeve (1), and the heavy caliber end is connected together T font shell (8) and hand-held buncher (9) shell by screw (12); Auxiliary has safeguarding the Graduate Record Examination mill concentric locking collar (10) that is spun on the T font shell small diameter cylinders or the connecting ring (13) that screws on internal and external threads, tube connector (15) suit grinder also is screwed on the threaded collar (13), and the other end of tube connector (15) screws in spool and grinds pedestal (16).

2, novel portable valve grinding machine according to claim 1 is characterized in that (3) one of described grinding power transmission shafts are shaped on the pin-and-hole that connects drive sleeve (1), and another termination is shaped on inner hexagonal hole, and magnetic sheet (5) is housed at the bottom of the hole.

3, novel portable valve grinding machine according to claim 1, it is characterized in that the described plug that has in externally threaded spool grinding pedestal (16) shape such as the pipe fitting, have precession to move back lever, the bottom surface inwardly scrapes out bottle cap shape, lid has a pin hole at the end, and pin (17) is housed in the hole.