CN211218843U

CN211218843U - Drilling clamp for gear pump

Info

Publication number: CN211218843U
Application number: CN201922223178.3U
Authority: CN
Inventors: 李�根
Original assignee: Huai'an Tianyi Hydraulic Machinery Co ltd
Current assignee: Huai'an Tianyi Hydraulic Machinery Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-11
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a gear pump is with boring grab, which comprises a fixed base, the side of fixing base is equipped with the pump case, the through-hole has been seted up to the side of fixing base and has been bored the cover seat through-hole fixedly connected with, the left end fixedly connected with anchor clamps external member of boring the cover seat, the anchor clamps external member includes the framework, the right side of framework and the left end fixed connection of boring the cover seat, the through-hole has all been seted up to the front and back side of framework and has two pivots, two through-hole spacing rotation has been passed through to the looks remote site fixedly connected with drill bushing of pivot, two the equal fixedly connected with gear in surface that is close to. The utility model discloses, use through the cooperation between the above-mentioned structure, solved in the in-service use, because the direction of the drill bushing on the locking drill bushing seat is all predetermine fixedly, is difficult to carry out the rotation of adaptability according to actual need and adjusts, brings inconvenience for the use, has reduced work efficiency's problem.

Description

Drilling clamp for gear pump

Technical Field

The utility model relates to an inside engaged gear pump processing technology field specifically is a boring grab for gear pump.

Background

An oil inlet hole is formed in the side wall of the pump body of the internal gear pump, the axis of the oil inlet hole is not perpendicular to the axis of the pump body but has a certain inclination angle, and the oil inlet hole needs to be subjected to tapping and drilling processing by drilling equipment; due to the lack of a proper clamp, the problems of troublesome fixing and low tapping and drilling processing efficiency in the processing of the oil inlet hole of the pump body exist. The existing clamp for drilling the inclined oil hole on the pump body of the meshing gear pump has low efficiency, complex structure and difficult installation; therefore, a drilling clamp is provided, for example, a clamp for drilling an inclined oil hole in an internal gear pump body disclosed in Chinese patent CN206653003, which comprises a clamp body for installing the internal gear pump body, wherein an installation device for positioning the internal gear pump body is arranged on the clamp body; the drill bit comprises a drill bit shaft, a drill sleeve seat and a positioning mechanism, wherein the drill bit shaft is used for drilling an inclined oil hole; the clamp comprises a clamp body, and is characterized in that a drill bushing seat mounting hole for mounting the drill bushing seat is formed in the middle of the clamp body, an inclined drill bushing mounting hole is formed in the tail end of the drill bushing seat, and the axis of the drill bushing mounting hole and the axis of an inclined oil hole drilled in a pump body of the internal gear pump are on the same straight line. The utility model changes the inclined oil hole rotating direction of the pump body of the crescent gear pump into the inclined oil hole drilled in the vertical direction of the pump body of the inclined crescent gear pump, thereby avoiding the risk of improper inclination angle adjustment of operators and greatly improving the drilling position precision;

however, in the actual use process, because the directions of the drill bushings on the locking drill bushing seats are preset and fixed, the drill bushings are difficult to rotate and adjust adaptively according to actual needs, inconvenience is brought to use, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear pump is with boring grab improves traditional device, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boring grab for gear pump, includes the fixing base, the side of fixing base is equipped with the pump case, the through-hole has been seted up to the side of fixing base and has been bored the cover seat through-hole fixedly connected with, bore the left end fixedly connected with anchor clamps external member of cover seat.

The anchor clamps external member includes the framework, the right side of framework and the left end fixed connection of drill bushing seat, the through-hole has all been seted up to the front and back side of framework and has two pivots, two through-hole spacing rotation has two, two the looks remote site fixedly connected with drill bushing of pivot, two the equal fixedly connected with gear in surface that is close to the end of the back of the body mutually in the pivot, the lower surface meshing of gear has the rack, the left end fixedly connected with driving plate of rack, the through-hole has been seted up and has the internal thread bush through the spacing rotation of through-hole to the side of driving plate, the spiro union has the screw rod in the internal thread bush, the right-hand member.

Preferably, the surface of the rotating shaft is fixedly connected with two first limiting rings, and opposite sides of the two first limiting rings are respectively connected with the inner wall of the frame body and the surface of the frame body in a rotating mode.

Preferably, the surface cover of pivot has the torsional spring, the one end of torsional spring and the inner wall fixed connection of framework, the other end of torsional spring and the fixed surface connection of drill bushing.

Preferably, a guide rod is fixedly connected to the right side of the transmission plate, and the surface of the guide rod penetrates through the frame body and is in sliding connection with the frame body.

Preferably, the number of the guide rods is two, and the two guide rods are symmetrically arranged with respect to a vertical central line of the screw rod.

Preferably, the surfaces of the internal thread sleeves close to the two ends are fixedly connected with second limiting rings, and the opposite sides of the second limiting rings are respectively connected with the two sides of the transmission plate in a rotating mode.

Preferably, the left end of the internal thread sleeve is fixedly connected with a poking plate, and the surface of the poking plate is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a setting of anchor clamps external member for the running-on orientation direction of drill bushing can carry out the rotation of adaptability according to the needs of reality and adjust, makes the brill of opening of boring oblique oilhole convenient and fast more.

The utility model manually drives the internal thread sleeve to rotate, and the internal thread sleeve can rotate left and right on the screw rod under the matching with the external thread on the screw rod; the internal thread sleeve is in limit rotary connection with the transmission plate, so that the transmission plate can synchronously move left and right along with the internal thread sleeve, a rack on the transmission plate also synchronously moves left and right, a gear which is matched with the rack can drive the rotating shaft to synchronously rotate after the rack moves left and right, the rotation of the drill sleeve in the frame body is realized through the transmission of the rotating shaft, the sleeve opening direction of the drill sleeve is changed, and the direction of a drill bit is adjusted;

thirdly, the utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use process, because the direction of the drill bushing on the locking drill bushing seat is all predetermine fixedly, is difficult to carry out the rotation of adaptability according to actual need and adjusts, brings inconvenience for the use, has reduced work efficiency's problem.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

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

fig. 3 is a front sectional view of the drill bushing of the utility model after rotation adjustment.

In the figure: 1-a fixed seat, 2-a pump shell, 3-a drill sleeve seat, 4-a clamp external member, 5-a frame body, 6-a rotating shaft, 7-a drill sleeve, 8-a gear, 9-a rack, 10-a transmission plate, 11-an internal thread sleeve, 12-a screw, 13-a first limit ring, 14-a torsion spring, 15-a guide rod, 16-a second limit ring and 17-a poking plate.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a drilling fixture for a gear pump comprises a fixed seat 1, wherein a pump shell 2 is subjected to rotary hole machining of an inclined oil hole on the fixed seat 1; the pump shell 2 is arranged on the side face of the fixed seat 1, a through hole is formed in the side face of the fixed seat 1, the drill sleeve seat 3 is fixedly connected with the through hole, and the drill sleeve seat 3 plays a role in fixing and supporting the clamp sleeve member 4; the left end of the drill bushing seat 3 is fixedly connected with a clamp suite 4; through the setting of anchor clamps external member 4 for the bell mouth orientation direction of drill bushing 7 can carry out the rotation of adaptability according to actual needs and adjust, makes the brill of opening of boring oblique oilhole convenient and fast more.

The clamp kit 4 comprises a frame body 5, wherein the frame body 5 is a frame body shaped like a Chinese character 'hui'; the right side of the frame body 5 is fixedly connected with the left end of the drill bushing seat 3, the front side and the rear side of the frame body 5 are both provided with through holes, two rotating shafts 6 are in limited rotation through the through holes, the surface of each rotating shaft 6 is fixedly connected with two limiting rings I13, the opposite sides of the two limiting rings I13 are respectively in limited rotation connection with the inner wall of the frame body 5 and the surface of the frame body 5, and the stability of the limited rotation of the rotating shafts 6 on the frame body 5 is ensured through the arrangement of the two limiting rings I13 on the rotating shafts 6; the torsion spring 14 is sleeved on the surface of the rotating shaft 6, one end of the torsion spring 14 is fixedly connected with the inner wall of the frame body 5, the other end of the torsion spring 14 is fixedly connected with the surface of the drill bushing 7, the rotating shaft 6 can rotate more stably in the frame body 5 through the arrangement of the torsion spring 14 on the rotating shaft 6, fine vibration generated in the rotating process can be absorbed and filtered through the torsion spring 14, and the accuracy of the drill bushing 7 in steering adjustment is guaranteed; the opposite ends of the two rotating shafts 6 are fixedly connected with drill sleeves 7, the surfaces of the two rotating shafts 6 close to the opposite back ends are fixedly connected with gears 8, the lower surfaces of the gears 8 are meshed with racks 9, and the internal thread sleeves 11 can be rotated left and right on the screw rods 12 through the manual driving of the internal thread sleeves 11 under the matching of the external threads on the screw rods 12; the internal thread sleeve 11 is in limit rotation connection with the transmission plate 10, so that the transmission plate 10 can synchronously move left and right along with the internal thread sleeve 11, further the rack 9 on the transmission plate 10 synchronously moves left and right, after the rack 9 moves left and right, the gear 8 which is matched with the rack 9 drives the rotating shaft 6 to synchronously rotate, the rotation of the drill sleeve 7 in the frame body 5 is realized through the transmission of the rotating shaft 6, the sleeve opening direction of the drill sleeve 7 is changed, and the direction of a drill bit is adjusted; the left end of the rack 9 is fixedly connected with a transmission plate 10, the right side of the transmission plate 10 is fixedly connected with a guide rod 15, the surface of the guide rod 15 penetrates through the frame body 5 and is in sliding connection with the frame body 5, and the guide rod 15 penetrates through the frame body 5 to limit the moving track of the transmission plate 10, so that the movement of the transmission plate is more stable; the number of the guide rods 15 is two, the two guide rods 15 are symmetrically arranged along the vertical central line of the screw 12, and the two guide rods 15 are symmetrically arranged on the transmission plate 10, so that the stress of the transmission plate 10 is more balanced and stable, and the movement stability of the transmission plate is further ensured; the side surface of the transmission plate 10 is provided with a through hole and is limited and rotated by the through hole to form the internal thread sleeve 11, the surfaces, close to the two ends, of the internal thread sleeve 11 are fixedly connected with two limiting rings 16, the opposite sides of the two limiting rings 16 are respectively and rotatably connected with the two sides of the transmission plate 10, and the stability of limiting and rotating of the internal thread sleeve 11 on the transmission plate 10 is further ensured by the arrangement of the two limiting rings 16 on the internal thread sleeve 11; the left end fixedly connected with of internal thread cover 11 dials board 17, and anti-skidding line has been seted up on the surface of dialling board 17, through the setting of dialling board 17, conveniently drives internal thread cover 11 and rotates, and the setting of anti-skidding line on it for it is more laborsaving to rotate, and threaded connection has screw rod 12 in the internal thread cover 11, the right-hand member of screw rod 12 and the left side fixed connection of framework 5.

The working principle is as follows: when the drilling clamp for the gear pump is used, the direction of the sleeve opening of the drill sleeve 7 can be adaptively and rotatably adjusted according to actual needs through the arrangement of the clamp suite 4, so that the drilling of the inclined oil hole is more convenient and rapid; the internal thread sleeve 11 can be rotated left and right on the screw rod 12 by manually driving the internal thread sleeve 11 to rotate under the matching of the external thread on the screw rod 12; the internal thread sleeve 11 is in limit rotation connection with the transmission plate 10, so that the transmission plate 10 can synchronously move left and right along with the internal thread sleeve 11, further the rack 9 on the transmission plate 10 synchronously moves left and right, after the rack 9 moves left and right, the gear 8 which is matched with the rack 9 drives the rotating shaft 6 to synchronously rotate, the rotation of the drill sleeve 7 in the frame body 5 is realized through the transmission of the rotating shaft 6, the sleeve opening direction of the drill sleeve 7 is changed, and the direction of a drill bit is adjusted; through the cooperation use between the above-mentioned structure, solved in the in-service use process, because the direction of the drill bushing on the locking drill bushing seat is all predetermine fixedly, is difficult to carry out the rotation of adaptability according to actual need and adjusts, brings inconvenience for the use, has reduced work efficiency's problem.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boring grab for gear pump, includes fixing base (1), the side of fixing base (1) is equipped with pump case (2), the through-hole has been seted up and has been bored set seat (3), its characterized in that through-hole fixedly connected with to the side of fixing base (1): the left end of the drill bushing seat (3) is fixedly connected with a clamp suite (4);

anchor clamps external member (4) are including framework (5), the right side of framework (5) and the left end fixed connection who bores cover seat (3), the through-hole has all been seted up to the front and back side of framework (5) and has two pivot (6), two through-hole spacing rotation has two pivot (6), two the looks remote site fixedly connected with drill bushing (7) of pivot (6), two be close to the equal fixedly connected with gear (8) in surface of looks back end in pivot (6), the lower surface meshing of gear (8) has rack (9), the left end fixedly connected with driving plate (10) of rack (9), the through-hole has been seted up and has interior thread bush (11) through the spacing rotation of through-hole in the side of driving plate (10), threaded connection has screw rod (12) in interior thread bush (11), the right-hand member of screw rod (12) and the left side fixed connection of framework (5).

2. The drilling jig for the gear pump according to claim 1, characterized in that: the surface of the rotating shaft (6) is fixedly connected with two first limiting rings (13), and the opposite sides of the two first limiting rings (13) are respectively and rotatably connected with the inner wall of the frame body (5) and the surface of the frame body (5).

3. The drilling jig for the gear pump according to claim 1, characterized in that: the surface cover of pivot (6) has torsional spring (14), the one end of torsional spring (14) and the inner wall fixed connection of framework (5), the other end of torsional spring (14) and the fixed surface connection of drill bushing (7).

4. The drilling jig for the gear pump according to claim 1, characterized in that: the right side fixedly connected with guide bar (15) of driving plate (10), the surface of guide bar (15) runs through framework (5) and with framework (5) sliding connection.

5. The drilling jig for the gear pump according to claim 4, characterized in that: the number of the guide rods (15) is two, and the two guide rods (15) are symmetrically arranged by the vertical central line of the screw rod (12).

6. The drilling jig for the gear pump according to claim 1, characterized in that: the surfaces of the inner thread sleeves (11) close to the two ends are fixedly connected with second limiting rings (16), and the opposite sides of the second limiting rings (16) are respectively connected with the two sides of the transmission plate (10) in a rotating mode.

7. The drilling jig for the gear pump according to claim 1, characterized in that: the left end of the internal thread sleeve (11) is fixedly connected with a poking plate (17), and anti-skid grains are arranged on the surface of the poking plate (17).