CN111220492A

CN111220492A - Electric power fitting abrasion testing machine

Info

Publication number: CN111220492A
Application number: CN201811423176.2A
Authority: CN
Inventors: 姚国才
Original assignee: YANGZHOU GUODIAN TONGYONG MANUFACTURING CO LTD
Current assignee: YANGZHOU GUODIAN TONGYONG MANUFACTURING CO LTD
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-06-02

Abstract

The invention discloses an electric power fitting abrasion testing machine which comprises a bottom plate and a connecting block, wherein the top of the bottom plate is rotatably connected with two threaded rods through a bearing, threads of the two threaded rods are arranged oppositely, the two threaded rods are connected with a same moving plate through common threads, the bottom of the connecting block is fixedly connected with the connecting plate, an elastic telescopic rod is arranged below the connecting plate, the top and the bottom of the elastic telescopic rod are respectively clamped with the side wall of the connecting plate and the side wall of the moving plate through clamping structures, a double-shaft motor is fixedly arranged at the top of the bottom plate, a first bevel gear is fixedly sleeved at two output ends of the double-shaft motor, a second bevel gear is fixedly sleeved at the bottoms of the two threaded rods. The invention can conveniently adjust the test pressure to the specified pressure value, and simultaneously improves the working efficiency.

Description

Electric power fitting abrasion testing machine

Technical Field

The invention relates to the technical field of electric power fittings, in particular to an electric power fitting abrasion testing machine.

Background

Electric power fittings are metal accessories which are used for connecting and combining various devices in an electric power system and have the functions of transmitting mechanical loads, electrical loads and certain protection.

Through the retrieval, chinese patent is granted No. CN 203502315U's patent, discloses electric power fitting abrasion testing machine, including frame, centre gripping subassembly, be equipped with the testing arrangement of control centre gripping subassembly activity in the frame of centre gripping subassembly below, even have the adjusting device who adjusts the vertical central line of testing arrangement and the coincidence of the vertical central line of centre gripping subassembly between testing arrangement and the centre gripping subassembly, be equipped with the guider of control centre gripping subassembly motion on the centre gripping subassembly, be connected with the load subassembly of being surveyed electric power metal load on the guider, be equipped with the drive arrangement who drives testing arrangement work in the frame. The load adjusting device in the above patent has the following disadvantages: the pressure during the test is adjusted through changing the quantity of weight in the contrast file, and each weight dish all has certain quality to the pressure value during the test of adjusting can not accurately be adjusted to appointed pressure, and it is not convenient when taking the quantity of weight dish simultaneously, thereby has reduced work efficiency.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the pressure during testing is adjusted by changing the number of weights, each weight tray has certain mass, so that the pressure value during testing cannot be accurately adjusted to the specified pressure, and the number of the weight trays is inconvenient to take and place, so that the working efficiency is reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electric power fitting abrasion testing machine comprises a bottom plate and a connecting block, wherein the top of the bottom plate is rotatably connected with two threaded rods through a bearing, threads of the two threaded rods are oppositely arranged, the two threaded rods are in common threaded connection with a same moving plate, the bottom of the connecting block is fixedly connected with a connecting plate, an elastic telescopic rod is arranged below the connecting plate, the top and the bottom of the elastic telescopic rod are respectively clamped with the side wall of the connecting plate and the side wall of the moving plate through clamping structures, a double-shaft motor is fixedly arranged at the top of the bottom plate, a first bevel gear is fixedly sleeved at two output ends of the double-shaft motor, a second bevel gear is fixedly sleeved at the bottom of the two threaded rods and is meshed with the first bevel gear, two through holes are symmetrically formed in the top of the moving plate, limiting rods are, two the both ends of gag lever post all pass the through-hole and outwards extend the setting, and the top of two gag lever posts offsets with the bottom of connecting plate and sets up, two the same U template of the common fixedly connected with in bottom of gag lever post, the bottom of U template and the top fixed connection of bottom plate.

Preferably, the clamping mechanism includes the equal fixedly connected with fixture block in top and bottom of elastic telescopic rod, the bottom of connecting plate and the top of movable plate all seted up with fixture block assorted draw-in groove, two the both sides wall of fixture block all sets up flutedly, be equipped with the wedge in the recess, the equal fixedly connected with stopper of both sides wall of wedge, the both sides wall of recess all seted up with stopper assorted spacing groove, the lateral wall of wedge passes through the tank bottom fixed connection of spring and recess, the both sides wall of the draw-in groove of recess all seted up with wedge assorted wedge groove.

Preferably, the top of the two limiting rods is fixedly connected with the same annular block, and the annular block is abutted to the bottom of the connecting plate.

Preferably, four damping layers are fixedly arranged in the wedge-shaped grooves, and anti-skid grains are arranged on the surfaces of the damping layers.

Preferably, the diameter of the first bevel gear is smaller than the diameter of the second bevel gear.

Preferably, the external part of the double-shaft motor is provided with a protective cover, and the protective cover is fixedly connected with the bottom plate.

Compared with the prior art, the invention provides an electric power fitting abrasion testing machine which has the following beneficial effects:

1. this electric power fitting abrasion testing machine, through the biax motor that is equipped with, the rotatory first bevel gear that drives of output of biax motor is rotatory, first bevel gear is rotatory to drive second bevel gear rotatory, two threaded rods that the rethread was equipped with, and the screw thread of two threaded rod pole walls is opposite setting, thereby second bevel gear is rotatory to drive the threaded rod rotatory, the threaded rod is rotatory to drive the movable plate and rises, thereby compress the elastic telescopic rod, U template and gag lever post that the rethread was equipped with, can prevent the connecting plate downstream, and then prevent that the pressure that the elastic telescopic rod was applyed from changing, can adjust the pressure when testing conveniently, and the work efficiency is improved.

2. This electric power fitting abrasion testing machine, through the wedge that is equipped with, the top of pulling elastic telescopic rod makes the fixture block move down, and the wedge that the rethread was equipped with can make the wedge remove in the recess to break away from the wedge groove, and then can be convenient for the fixture block break away from the draw-in groove, be convenient for to elastic telescopic rod's change.

The part not involved in the device is the same as the prior art or can be realized by the prior art, the device can conveniently adjust the test pressure to the specified pressure value, and meanwhile, the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an electric power fitting abrasion tester provided by the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a base plate 1, connecting blocks 2, a threaded rod 3, a moving plate 4, a connecting plate 5, an elastic telescopic rod 6, a double-shaft motor 7, a first bevel gear 8, a second bevel gear 9, a limiting rod 10, a U-shaped plate 11, a clamping block 12, a wedge-shaped block 13, a limiting block 14, a spring 15 and a ring-shaped block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, an electric power fitting abrasion testing machine comprises a bottom plate 1 and a connecting block 2, wherein the connecting block 2 is connected with an electric power fitting clamping device, for the technical content disclosed in the comparison document, the top of the bottom plate 1 is rotatably connected with two threaded rods 3 through bearings, the threads of the two threaded rods 3 are arranged oppositely, the two threaded rods 3 are connected with a same moving plate 4 through a common thread, the bottom of the connecting block 2 is fixedly connected with a connecting plate 5, an elastic telescopic rod 6 is arranged below the connecting plate 5, the top and the bottom of the elastic telescopic rod 6 are respectively clamped with the side wall of the connecting plate 5 and the side wall of the moving plate 4 through clamping structures, a double-shaft motor 7 is further fixedly arranged at the top of the bottom plate 1, the double-shaft motor 7 is electrically connected with an external power supply through a lead and a control switch, for the prior art, the description is omitted, and a first, the bottom of each of the two threaded rods 3 is fixedly sleeved with a second bevel gear 9, the second bevel gear 9 is meshed with the first bevel gear 8, the top of the movable plate 4 is symmetrically provided with two through holes, limiting rods 10 are arranged in the two through holes, two ends of each of the two limiting rods 10 penetrate through the through holes and extend outwards, the tops of the two limiting rods 10 are abutted against the bottom of the connecting plate 5, the bottoms of the two limiting rods 10 are fixedly connected with the same U-shaped plate 11 together, the bottom of the U-shaped plate 11 is fixedly connected with the top of the bottom plate 1, the clamping mechanism comprises clamping blocks 12 fixedly connected with the top and the bottom of the elastic telescopic rod 6, clamping grooves matched with the clamping blocks 12 are arranged at the bottom of the connecting plate 5 and the top of the movable plate 4, two side walls of the two clamping blocks 12 are provided with grooves, wedge blocks 13 are arranged in the grooves, and, the two side walls of the groove are respectively provided with a limiting groove matched with the limiting block 14, the position of the wedge-shaped block 13 can be limited, the side wall of the wedge-shaped block 13 is fixedly connected with the groove bottom of the groove through a spring 15, the two side walls of the clamping groove of the groove are respectively provided with a wedge-shaped groove matched with the wedge-shaped block 13, the wedge-shaped block 13 can be driven to move through the elasticity of the spring 15, so that the wedge-shaped block 13 is clamped into the wedge-shaped groove, the elastic telescopic rod 6 can be conveniently installed, the clamping block 12 can move downwards through pulling the top of the elastic telescopic rod 6, the wedge-shaped block 13 can move in the groove and is separated from the wedge-shaped groove, the clamping block 12 can be conveniently separated from the clamping groove, the elastic telescopic rod 6 can be conveniently replaced, the tops of the two limiting rods 10 are jointly and fixedly connected with the same annular block 16, and the annular, improve the stability of gag lever post 10 when supporting connecting plate 5, four wedge inslots are all fixed and are equipped with the damping layer, and the surface on damping layer has seted up anti-skidding line, the damping layer is current structure, can improve the frictional force between wedge 13 and the wedge groove, stability when improving fixture block 12 joint, first bevel gear 8's diameter is less than second bevel gear 9's diameter, can drive second bevel gear 9 through first bevel gear 8 is rotatory and be deceleration motion, the outside of double-shaft motor 7 is equipped with the protection casing, and protection casing and bottom plate 1 fixed connection, can be to double-shaft motor 7 memorability protection, prevent double-shaft motor 7's damage.

In the invention, when the device is used, the output end of the double-shaft motor 7 rotates to drive the first bevel gear 8 to rotate, the first bevel gear 8 rotates to drive the second bevel gear 9 to rotate, the two threaded rods 3 are arranged, and the threads on the rod walls of the two threaded rods 3 are oppositely arranged, so that the second bevel gear 9 rotates to drive the threaded rods 3 to rotate, the threaded rods 3 rotate to drive the movable plate 4 to ascend, so as to compress the elastic telescopic rod 6, the connecting plate 5 can be prevented from moving downwards through the U-shaped plate 11 and the limiting rod 10, so that the pressure applied by the elastic telescopic rod 6 is prevented from changing, the pressure during testing can be conveniently adjusted, and the working efficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an electric power fitting abrasion testing machine, includes bottom plate (1) and connecting block (2), its characterized in that, the top of bottom plate (1) is rotated through the bearing and is connected with two threaded rods (3), and the screw thread of two threaded rods (3) is opposite setting, two the common threaded connection of threaded rods (3) has same movable plate (4), the bottom fixedly connected with connecting plate (5) of connecting block (2), the below of connecting plate (5) is equipped with elastic telescopic link (6), elastic telescopic link (6) top and bottom all through the joint structure respectively with the lateral wall of connecting plate (5) and the lateral wall joint of movable plate (4), the top of bottom plate (1) still is fixed and is equipped with double-axis motor (7), first bevel gear (8) have all been fixedly cup jointed to two output of double-axis motor (7), two the bottom of threaded rod (3) all has been cup jointed second bevel gear (9), and second bevel gear (9) and first bevel gear (8) are the meshing setting, two through-holes have been seted up to the top symmetry of movable plate (4), two all be equipped with gag lever post (10) in the through-hole, two the both ends of gag lever post (10) all pass the through-hole and outwards extend the setting, and the top of two gag lever posts (10) offsets the setting with the bottom of connecting plate (5), two the same U template (11) of the common fixedly connected with in bottom of gag lever post (10), the bottom of U template (11) and the top fixed connection of bottom plate (1).

2. The electric power fitting abrasion testing machine according to claim 1, wherein the clamping mechanism comprises clamping blocks (12) fixedly connected to the top and the bottom of each elastic telescopic rod (6), clamping grooves matched with the clamping blocks (12) are formed in the bottoms of the connecting plates (5) and the top of the movable plate (4), grooves are formed in two side walls of each clamping block (12), wedge blocks (13) are arranged in the grooves, limiting blocks (14) are fixedly connected to two side walls of each wedge block (13), limiting grooves matched with the limiting blocks (14) are formed in two side walls of each groove, side walls of the wedge blocks (13) are fixedly connected with the groove bottoms of the grooves through springs (15), and wedge grooves matched with the wedge blocks (13) are formed in two side walls of each clamping groove of each groove.

3. The electric power fitting abrasion testing machine according to claim 1, characterized in that the tops of the two limiting rods (10) are fixedly connected with the same annular block (16), and the annular block (16) is abutted to the bottom of the connecting plate (5).

4. The electric power fitting abrasion testing machine according to claim 2, wherein damping layers are fixedly arranged in the four wedge-shaped grooves, and anti-skid grains are arranged on the surfaces of the damping layers.

5. An electric power fitting wear tester according to claim 1, characterized in that the diameter of the first bevel gear (8) is smaller than the diameter of the second bevel gear (9).

6. The electric power fitting abrasion testing machine according to claim 1, characterized in that a protective cover is arranged outside the double-shaft motor (7) and fixedly connected with the bottom plate (1).