CN213748312U

CN213748312U - Special detection equipment for depth of sealing groove of upper cover of gear pump

Info

Publication number: CN213748312U
Application number: CN202023318283.4U
Authority: CN
Inventors: 晋玉国; 郭兆洋; 张利楼
Original assignee: Luoyang Jingshan Machinery Manufacturing Co ltd
Current assignee: Luoyang Jingshan Machinery Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-20
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a special detection equipment for the depth of a sealing groove of an upper cover of a gear pump, which comprises a cavity body, wherein an installation cavity is sleeved on the cavity body, two ends of the cavity body are respectively provided with a slider, the slider is connected between the cavity body and the installation cavity in a sliding way, the slider is fixedly connected with a push rod, one end of the push rod penetrating through the installation cavity is fixedly connected with an extrusion block, one end of the slider far away from the push rod is fixed with a spring, one end of the spring far away from the slider is fixedly connected on the installation cavity, the upper end of the installation cavity is fixedly connected with a shell, a plurality of discs are fixedly connected in the shell, a driving shaft is rotationally connected in the shell, and the driving shaft penetrates through the plurality of discs and is fixedly connected with a pointer, the depth of the sealing groove is rapidly and accurately measured.

Description

Special detection equipment for depth of sealing groove of upper cover of gear pump

Technical Field

The utility model relates to a special detection technology field of seal groove degree of depth especially relates to a special check out test set of gear pump upper cover seal groove degree of depth.

Background

The gear pump is a rotary pump which can transfer liquid or pressurize it by means of the change and movement of working volume formed between pump cylinder and meshed gear, and is formed from two gears, pump body and front and rear covers, when the gears are rotated, the volume of space of gear disengagement side is changed from small to large, and formed into vacuum to suck liquid, and the volume of space of gear meshing side is changed from large to small to squeeze liquid into pipeline, and the suction cavity and discharge cavity are separated by means of meshing line of two gears, and the pressure of discharge outlet of gear pump is completely dependent on the resistance of pump outlet, so that the sealing effect of its internal structure can play an important role in working.

Because upper cover seal groove structure is less, consequently using ordinary slide caliper rule measuring method, the degree of accuracy is less to measuring result error is great, simultaneously owing to be the measurement of groove depth, to when measuring, whether the cell wall height all around is at same level etc. all that present measurement slide caliper rule can not the rapid survey, consequently because the error of measurement will lead to gear pump internal connection space problem, thereby reaches work efficiency low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving following shortcoming among the prior art, less in upper cover seal groove structure, consequently using ordinary slide caliper rule measuring method, the degree of accuracy is less to measuring result error is bigger, simultaneously owing to be the measurement of groove depth, when measuring, the cell wall highly all around whether at same level etc. all be that current measurement slide caliper rule can not the rapid survey arrive, and the special check out test set of gear pump upper cover seal groove degree of depth that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a special detection device for the depth of a sealing groove of an upper cover of a gear pump comprises a cavity body, wherein an installation cavity is sleeved on the cavity body, the two ends of the cavity are respectively provided with a sliding block which is connected between the cavity and the installation cavity in a sliding way, the sliding block is fixedly connected with a push rod, one end of the push rod penetrating through the installation cavity is fixedly connected with an extrusion block, a spring is fixed at one end of the sliding block far away from the push rod, one end of the spring far away from the sliding block is fixedly connected to the mounting cavity, the upper end of the installation cavity is fixedly connected with a shell, a plurality of discs are fixedly connected in the shell, a driving shaft is rotationally connected in the shell, the driving shaft is fixedly connected with a pointer through a plurality of discs, a gear is fixedly connected on the driving shaft, the cavity is internally provided with a detection rod, the upper end of the detection rod is provided with a tooth pattern, the detection rod is connected to the gear through the tooth pattern, and the lower end of the installation cavity is provided with an adjusting part.

Preferably, one end of the detection rod, which is far away from the gear, is fixedly connected with a detection block, and one end of the detection block, which is far away from the detection rod, is flush with one end of the cavity.

Preferably, the two sides of the cavity are both provided with sliding holes, the two sliding blocks are respectively and fixedly connected with connecting rods, and the two connecting rods penetrate through the sliding holes in the cavity and are fixedly connected to the detection rod.

Preferably, two limiting blocks are fixedly connected to the installation cavity, and the two push rods are respectively connected to the limiting blocks in a sliding mode.

Preferably, the adjusting part comprises two sleeve shafts, the two sleeve shafts are respectively hinged to two ends of the installation cavity, a screw rod is connected to the inner threads of the sleeve shafts, and a telescopic rod is fixedly connected to one end, far away from the sleeve shafts, of the screw rod.

Preferably, a level is fixedly connected between the two screw rods.

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

1. the lower end of the cavity is placed on the wall of the sealing groove, the push rod and the sliding block fixedly connected with the push rod slide downwards in the mounting cavity by pressing the extrusion block, so that the detection rod and the detection block move to penetrate into the bottom of the sealing groove through the detection block, and meanwhile, when the detection rod slides downwards, the rotation of the gear is achieved due to the fact that the upper end of the detection rod is meshed with the gear, the rotation of the drive shaft is achieved due to the fact that the gear is fixedly connected to the drive shaft, and the pointer rotates on the digital disc due to the fact that the pointer is fixedly connected to one end of the drive shaft, so that the depth of the sealing groove can be distinguished according to the number pointed out by the pointer on the digital disc, the rotating angle of the pointer can be converted through the distance, and the depth of the sealing groove can be measured quickly and accurately;

2. can carry out the flexible of lead screw through rotating the sleeve axle before measuring, reach and adjust the spirit level and calibrate, fixedly connected with spirit level between two lead screws, thereby reach through observing whether the bubble is in the height on both sides of distinguishing in the glass pipe position placed in the middle in the spirit level, observe the height of seal groove both sides wall, distinguish the degree of depth of measuring the seal groove, thereby can measure the degree of depth of seal groove according to obstructed position.

Drawings

Fig. 1 is a schematic front structural view of a special detection device for the depth of a sealing groove of an upper cover of a gear pump, which is provided by the utility model;

fig. 2 is the utility model provides a special check out test set's of gear pump upper cover seal groove degree of depth casing right side structure schematic diagram.

In the figure: the device comprises a level 1, a detection block 2, an installation cavity 3, a spring 4, a sliding block 5, a limiting block 6, a push rod 7, a cavity 8, a pointer 9, a shell 10, a detection rod 11, a connecting rod 12, an extrusion block 13, a sleeve shaft 14, a lead screw 15, a telescopic rod 16, a counting disc 17, a gear 18 and a driving shaft 19.

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.

In the present invention, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, but not for limiting the range of the present invention, and the relative relationship changes or adjustments without substantial technical changes should be regarded as the scope of the present invention.

Referring to fig. 1-2, a special detection device for the depth of a sealing groove of an upper cover of a gear pump comprises a cavity 8, a mounting cavity 3 is sleeved on the cavity 8, two ends of the cavity 8 are respectively provided with a slider 5, the slider 5 is slidably connected between the cavity 8 and the mounting cavity 3, two sides of the cavity 8 are respectively provided with a sliding hole, two sliders 5 are respectively and fixedly connected with a connecting rod 12, two connecting rods 12 penetrate through the sliding holes on the cavity 8 and are respectively and fixedly connected to a detecting rod 11, so that the connection and the sliding of the sliders 5 and the detecting rod 11 can be achieved through the connecting rods 12 in the sliding holes on the side wall of the cavity 8, the slider 5 is fixedly connected with a push rod 7, one end of the push rod 7 penetrating through the mounting cavity 3 is fixedly connected with an extrusion block 13, when the extrusion block 13 is pressed, the slider 5 slides downwards in the mounting cavity 3 through the push rod 7, one end of the slider 5 far away from the push rod 7 is fixedly connected with a spring 4, one end of the spring 4 far away from the slider 5 is fixedly connected to the mounting cavity 3, therefore, when the extrusion block 13 is not stressed, the upper elastic force of the spring 4 is used for pushing the sliding block 5 to reset, meanwhile, the shrinkage reset of the detection rod 11 and the detection block 2 can be carried out, the upper end of the installation cavity 3 is fixedly connected with the shell 10, the shell 10 is internally and fixedly connected with the plurality of discs 17, the shell 10 is rotationally connected with the driving shaft 19, the driving shaft 19 penetrates through the plurality of discs 17 and is fixedly connected with the pointer 9, the gear 18 is fixedly connected onto the driving shaft 19, the detection rod 11 is arranged in the cavity 8, the upper end of the detection rod 11 is provided with the tooth marks, the end of the detection rod 11 far away from the gear 18 is fixedly connected with the detection block 2, the end of the detection block 2 far away from the detection rod 11 is arranged in a conical shape, so that the purpose that the more stable and accurate measurement depth is achieved through a smaller contact area, one end of the detection block 2 far away from the detection rod 11 is flush with one end of the cavity 8, and the installation cavity 3 is fixedly connected with the two limit blocks 6, the two push rods 7 are respectively connected on the limiting blocks 6 in a sliding way, so that the sliding blocks 5 are limited by the limiting blocks 6 when rising, thereby achieving that the lower end of the detection block 2 is flush with the cavity 8, so that the detection block 2 moves downwards to achieve measurement by the way that the cavity 8 is attached to the sealing groove, the detection rod 11 is connected to the gear 18 through the tooth line meshing, when the detection rod 11 slides downwards, the upper end is meshed with the gear 18, so that the gear 18 rotates, since the gear wheel 18 is fixedly connected to the drive shaft 19, a rotation of the drive shaft 19 is achieved, since the pointer 9 is fixedly connected to one end of the driving shaft 19, it is achieved that the pointer 9 rotates on the digit disc 17, it is thus possible to distinguish the depth of the sealing groove from the number indicated by the pointer 9 on the number disc 17, many comparisons and adjustments are made by detecting the distance the rod 11 has moved downward versus the more demanding experiments with rotation of the drive shaft 19.

The lower end of the mounting cavity 3 is provided with an adjusting component, the adjusting component comprises two sleeve shafts 14, the two sleeve shafts 14 are respectively hinged at the two ends of the mounting cavity 3, therefore, the sleeve shaft 14 can be rotated to one side of the installation cavity 3 through the hinge joint with the installation cavity 3, the screw rod 15 is connected in the sleeve shaft 14 in a threaded manner, the telescopic rod 16 is fixedly connected at one end of the screw rod 15 far away from the sleeve shaft 14, the telescopic rod 15 can be extended and contracted through rotating the sleeve shaft 14 before measurement, the leveling device 1 is adjusted to be calibrated, the leveling device 1 is fixedly connected between the two screw rods 15, because the glass tube is arranged in the level 1 and the alcohol is filled in the glass tube, when the level is not filled, bubbles are generated when the level is transversely placed, therefore, the height of two sides can be distinguished by observing whether the bubbles are in the central position in the glass tube, the height of two side walls of the sealing groove can be observed, and the depth of the sealing groove can be distinguished and measured.

In the utility model, two telescopic rods 16 are placed on two sides of the sealing groove, whether bubbles in the level 1 are placed in the middle or not is observed to judge that the heights of two sides of the sealing groove are communicated, if the heights are the same, the lower end of the cavity 8 is placed on the wall of the sealing groove, the push rod 7 and the fixedly connected slide block 5 slide downwards in the mounting cavity 3 by pressing the extrusion block 13, because the detection rod 11 in the cavity 8 is fixedly connected on the slide block 5 through the connecting rod 12, the detection rod 11 and the detection block 2 move to go deep into the bottom of the sealing groove through the detection block 2, and simultaneously, when the detection rod 11 slides downwards, the upper end is meshed with the gear 18, thereby the rotation of the gear 18 is reached, because the gear 18 is fixedly connected on the driving shaft 19, the rotation of the driving shaft 19 is reached, because one end of the driving shaft 19 is fixedly connected with the pointer 9, thereby the pointer 9 is reached to rotate on the digital disc 17, the depth of the sealing groove can thus be identified from the number indicated by the pointer 9 on the number disc 17.

In the present application, the terms "mounted," "connected," and "secured" are to be construed broadly unless otherwise specifically indicated and limited.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The special detection equipment for the depth of the sealing groove of the upper cover of the gear pump comprises a cavity (8) and is characterized in that a mounting cavity (3) is sleeved on the cavity (8), sliding blocks (5) are arranged at two ends of the cavity (8) respectively, the sliding blocks (5) are connected between the cavity (8) and the mounting cavity (3) in a sliding mode, a push rod (7) is fixedly connected with the sliding blocks (5), one end, penetrating through the mounting cavity (3), of the push rod (7) is fixedly connected with an extrusion block (13), one end, far away from the push rod (7), of the sliding block (5) of each sliding block (5) is fixedly connected onto the mounting cavity (3), a shell (10) is fixedly connected to the upper end of the mounting cavity (3), a plurality of discs (17) are fixedly connected into the shell (10), and a driving shaft (19) is rotationally connected into the shell (10), drive shaft (19) pass several dish (17) fixedly connected with pointer (9), fixedly connected with gear (18) on drive shaft (19), be equipped with gauge rod (11) in cavity (8), the insection has been seted up to gauge rod (11) upper end, gauge rod (11) are connected on gear (18) through the insection meshing, installation cavity (3) lower extreme is equipped with adjusting part.

2. The special detection equipment for the depth of the sealing groove of the upper cover of the gear pump according to claim 1, wherein a detection block (2) is fixedly connected to one end, away from the gear (18), of the detection rod (11), and one end, away from the detection rod (11), of the detection block (2) is flush with one end of the cavity (8).

3. The special detection equipment for the depth of the seal groove of the upper cover of the gear pump according to claim 1, wherein sliding holes are formed in both sides of the cavity (8), the two sliding blocks (5) are respectively and fixedly connected with connecting rods (12), and the two connecting rods (12) penetrate through the sliding holes in the cavity (8) and are fixedly connected to the detection rod (11).

4. The special detection equipment for the depth of the seal groove of the upper cover of the gear pump according to claim 1, wherein two limit blocks (6) are fixedly connected to the mounting cavity (3), and the two push rods (7) are respectively connected to the limit blocks (6) in a sliding manner.

5. The special detection equipment for the depth of the sealing groove of the upper cover of the gear pump according to claim 1, wherein the adjusting component comprises two sleeve shafts (14), the two sleeve shafts (14) are respectively hinged to two ends of the mounting cavity (3), a lead screw (15) is connected to the sleeve shafts (14) in an internal thread mode, and an expansion rod (16) is fixedly connected to one end, far away from the sleeve shafts (14), of the lead screw (15).

6. The special detection equipment for the depth of the sealing groove of the upper cover of the gear pump as claimed in claim 5, wherein a level (1) is fixedly connected between the two screw rods (15).