CN215374469U

CN215374469U - Mechanical static load testing device for isolating switch

Info

Publication number: CN215374469U
Application number: CN202121522933.9U
Authority: CN
Inventors: 黄源; 刘相霞; 陈丽红
Original assignee: Shandong Lutian Testing Technology Co ltd; Zibo Qianheng Automation Engineering Co ltd
Current assignee: Shandong Lutian Testing Technology Co ltd; Zibo Qianheng Automation Engineering Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-31
Anticipated expiration: 2031-07-06

Abstract

Isolator machinery static load testing arrangement belongs to isolator test equipment technical field. The method is characterized in that: the device comprises a clamping frame, a horizontal loading device and a vertical loading device, wherein the vertical loading device is arranged on the upper side of the clamping frame, the horizontal loading device is arranged on the vertical loading device and synchronously ascends and descends along with the vertical loading device, the horizontal loading device is arranged on the horizontal loading device and synchronously moves along with the horizontal loading device, suspension parts are arranged on the horizontal loading device, the vertical loading device and the vertical loading device, and each suspension part is connected with a detection element. This isolator machinery static load testing arrangement has realized the detection to the isolator clamp force through detecting element, can adapt to the isolator's that arbitrary direction opened and shut detection, convenient operation during the detection, and detection effect is good, has alleviateed operating personnel's intensity of labour greatly, and detects more accurately, and detection efficiency improves greatly.

Description

Mechanical static load testing device for isolating switch

Technical Field

Isolator machinery static load testing arrangement belongs to isolator test equipment technical field.

Background

The isolating switch is a switch device which is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. The static mechanical load on the terminal is equal to the mechanical force to which the terminal is subjected when either the disconnector or the earthing switch is connected to the terminal by a soft or hard wire. Namely, the isolating switch and the grounding switch can be normally switched on and off when bearing the static mechanical load of the rated terminals of the isolating switch and the grounding switch. The existing measurement mode is that the weight finishes the measurement, and by adopting the detection mode, because the loading quantity of the weight needs to be calculated manually, the labor intensity of detection personnel is high, and the detection efficiency is also very low.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: the isolating switch mechanical static load testing device overcomes the defects of the prior art, can automatically complete the loading test on the isolating switch, and can adapt to the test of the isolating switch which is opened and closed in any direction.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this isolator machinery static load testing arrangement, its characterized in that: the device comprises a clamping frame, a horizontal loading device and a vertical loading device, wherein the vertical loading device is arranged on the upper side of the clamping frame, the horizontal loading device is arranged on the vertical loading device and synchronously ascends and descends along with the vertical loading device, the horizontal loading device is arranged on the horizontal loading device and synchronously moves along with the horizontal loading device, suspension parts are arranged on the horizontal loading device, the vertical loading device and the vertical loading device, and each suspension part is connected with a detection element.

Preferably, the vertical loading device comprises a lifting frame, a vertical loading motor and a vertical loading screw rod, the vertical loading screw rod is vertically arranged, the lifting frame is in threaded connection with the vertical loading screw rod, the vertical loading motor is connected with the vertical loading screw rod and drives the vertical loading screw rod to synchronously rotate, and a hanging part is arranged at the bottom of the lifting frame. The vertical loading motor drives the lifting frame to lift through the vertical loading screw rod, so that loading in the vertical direction is completed, and the isolating switch capable of being opened and closed in the vertical plane is used for detection.

Preferably, the vertical loading device further comprises a vertical column which is vertically arranged, and the lifting frame is slidably arranged on the vertical column. The stand can lead to the crane, guarantees that the crane straight line goes up and down, detects more accurately.

Preferably, the horizontal and transverse loading device comprises a transverse translation frame, a transverse loading motor and a transverse loading screw rod, the transverse translation frame is slidably mounted on the vertical loading device, the transverse loading screw rod is in threaded connection with the transverse translation frame, the transverse loading motor is connected with the transverse loading screw rod and drives the transverse loading screw rod to synchronously rotate, and a suspension part is arranged on one side of the transverse translation frame. The transverse loading motor drives the transverse translation frame to move through the transverse loading lead screw, so that transverse loading is realized, and the detection of the disconnecting switch which is opened and closed in the transverse direction can be adapted.

Preferably, the horizontal and longitudinal loading device comprises a longitudinal translation frame, a longitudinal loading motor and a longitudinal loading screw rod, the longitudinal loading screw rod is in threaded connection with the longitudinal translation frame, the longitudinal loading motor is connected with the longitudinal loading screw rod and drives the longitudinal loading screw rod to rotate, the clamping frame is installed on the upper side of the longitudinal translation frame, and the horizontal and transverse loading device is provided with a suspension part matched with the longitudinal translation frame. The longitudinal loading motor drives the longitudinal translation frame to move through the longitudinal loading screw rod, and detection of the isolating switch which is opened and closed in the longitudinal direction is achieved.

Preferably, the clamping frame comprises a fixing block, and a T-shaped groove is formed in the top of the fixing block. The fixed block top is provided with the T-slot, conveniently presss from both sides the isolator dress on the fixed block.

Preferably, the fixed blocks are arranged side by side along the longitudinal direction at intervals. The fixed block is provided with the polylith just at the interval side by side, can enough a plurality of isolator of clamping simultaneously, can detect isolator again, and the while presss from both sides isolator on vacant fixed block, has improved detection speed greatly.

Preferably, the suspension part is connected with an adjusting device.

Preferably, the adjusting device comprises a support arm, a gear shaft and a pull rod, wherein the pull rod is slidably mounted on the support arm, the gear shaft is rotatably mounted on the support arm, the gear shaft is perpendicular to the pull rod, and one side of the pull rod, which is close to the gear shaft, is provided with side teeth meshed with the gear shaft. Through the rotation of gear shaft, can adjust the axial of pull rod, it is convenient to adjust.

Preferably, a clutch mechanism is arranged between the gear shaft and the supporting arm. The clutch mechanism can realize the clutch between the gear shaft and the supporting arm, and the problem that the pull rod and the supporting arm rotate relatively due to mistaken touch of the gear shaft is avoided.

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

this isolator machinery static load testing arrangement's clamping frame can accomplish isolator's clamping, perpendicular loading device, horizontal loading device and horizontal vertical loading device are equallyd divide and do not dock through the isolator that the portion of hanging with treating to detect to realized the detection to the isolator clamp force through detecting element, can adapt to the isolator's that arbitrary direction opened and shut detection, convenient operation during the detection, and detection effect is good, operating personnel's intensity of labour has alleviateed greatly, and it is more accurate to detect, and detection efficiency improves greatly.

Drawings

Fig. 1 is a schematic perspective view of a mechanical static load testing device of an isolating switch.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a perspective view of the adjustment device.

Fig. 5 is a schematic right sectional view of the adjustment device.

In the figure: 1. the device comprises a base 2, a longitudinal translation frame 3, a fixed block 301, a T-shaped groove 4, an upright post 5, a vertical loading screw rod 6, a linear bearing 7, a lifting frame 8, a transverse translation frame 9, a synchronous belt 10, a cross beam 11, a transverse suspension frame 12, a vertical suspension frame 13, a longitudinal suspension frame 14, a pull rod 15, a supporting arm 16, a force application rod 17, a hanging lug 18, a mounting disc 19, a gear shaft 20, a clutch pin 2001, a abdicating groove 21 and a steel ball.

Detailed Description

Fig. 1 to 5 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 5.

The mechanical static load testing device for the isolating switch comprises a clamping frame, a horizontal transverse loading device, a horizontal longitudinal loading device and a vertical loading device, wherein the vertical loading device is arranged on the upper side of the clamping frame, the horizontal transverse loading device is installed on the vertical loading device and synchronously ascends and descends along with the vertical loading device, the horizontal longitudinal loading device is installed on the horizontal transverse loading device and synchronously moves along with the horizontal transverse loading device, suspension parts are arranged on the horizontal transverse loading device, the horizontal longitudinal loading device and the vertical loading device, and each suspension part is connected with a detection element. This isolator machinery static load testing arrangement's clamping frame can accomplish isolator's clamping, perpendicular loading device, horizontal loading device and horizontal vertical loading device are equallyd divide and do not dock through the isolator that the portion of hanging with treating to detect to realized the detection to the isolator clamp force through detecting element, can adapt to the isolator's that arbitrary direction opened and shut detection, convenient operation during the detection, and detection effect is good, operating personnel's intensity of labour has alleviateed greatly, and it is more accurate to detect, and detection efficiency improves greatly.

The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.

Specifically, the method comprises the following steps: as shown in FIGS. 1 to 3: this isolator machinery static test device still includes base 1, and the clamping frame sets up the upside at base 1, and the clamping frame includes fixed block 3, and fixed block 3 sets up along base 1's horizontal, and the top of fixed block 3 is provided with T-slot 301, and fixed block 3 is provided with a plurality of along vertically just interval side by side. The width direction of the base 1 is the transverse direction, the length direction of the base 1 is the longitudinal direction, and the direction perpendicular to the plane of the base 1 is the vertical direction.

Both sides of the width direction of the base 1 are provided with vertical columns 4, the columns 4 are vertically arranged, and the lower ends of the columns 4 are fixedly connected with the corresponding sides of the base 1. The upper side of the base 1 is provided with a horizontal beam 10, the beam 10 is horizontally arranged along the width direction of the base 1, and two ends of the beam 10 are respectively fixedly connected with the tops of the upright columns 4 on the corresponding sides and form a portal frame together with the two upright columns 4.

The vertical loading device comprises a vertical loading motor (not shown in the figure), a vertical loading screw rod 5 and a lifting frame 7, wherein the lifting frame 7 is arranged between two upright posts 4, and linear bearings 6 are respectively arranged on two sides of the lifting frame 7 and are connected with the upright posts 4 on the corresponding sides in a sliding way through the linear bearings 6. The vertical loading lead screw 5 is vertically arranged, the upper end of the vertical loading lead screw 5 is rotatably connected with the cross beam 10, the vertical loading lead screw 5 is in threaded connection with the lifting frame 7, the vertical loading motor is installed on the upper side of the cross beam 10, and the vertical loading motor is connected with the vertical loading lead screw 5 and drives the vertical loading lead screw to rotate, so that the lifting frame 7 is lifted.

The vertical loading screw rods 5 are symmetrically arranged on two sides of the lifting frame 7, the two vertical loading screw rods 5 are vertically arranged, the upper ends of the two groups of vertical loading screw rods 5 are rotatably arranged on the cross beam 10, and two sides of the lifting frame 7 are respectively in threaded connection with the vertical loading screw rods 5 on the corresponding sides. Synchronous belt wheels are arranged at the upper ends of the two vertical loading screw rods 5, the synchronous belt wheels at the upper ends of the two vertical loading screw rods 5 are connected through a synchronous belt 9, synchronous rotation of the two vertical loading screw rods 5 is achieved, linear lifting of the lifting frame 7 is guaranteed, and the vertical loading motor is connected with any one vertical loading screw rod 5 and drives the vertical loading motor to synchronously rotate. The vertical loading screw 5 is a ball screw.

The horizontal transverse loading device comprises a transverse translation frame 8, a transverse loading motor (not shown in the figure) and a transverse loading screw rod (not shown in the figure), the transverse translation frame 8 is slidably installed at the bottom of the lifting frame 7, the transverse loading screw rod is rotatably installed on the lifting frame 7, the transverse loading screw rod is arranged along the width direction of the base 1, the transverse loading screw rod is in threaded connection with the transverse translation frame 8, the transverse loading motor is connected with the transverse loading screw rod and drives the transverse loading screw rod to synchronously rotate, and therefore the movement of the transverse translation frame 8 is achieved. The transverse loading motor is arranged on the upper side of the lifting frame 7, and the transverse loading screw is a ball screw.

A downward vertical suspension bracket 12 is arranged on the right side of the transverse translation bracket 8, a transverse suspension bracket 11 towards the right side is arranged on the left side of the transverse translation bracket 8, and a forward longitudinal suspension bracket 13 is arranged on the rear side of the transverse translation bracket 8.

The horizontal longitudinal loading device comprises a longitudinal translation frame 2, a longitudinal loading motor (not shown in the figure) and a longitudinal loading screw rod (not shown in the figure), wherein the longitudinal translation frame 2 is slidably arranged on the upper side of the base 1, and the fixed block 3 is arranged on the longitudinal translation frame 2 and moves synchronously with the longitudinal translation frame 2. The longitudinal loading screw rod is rotatably arranged on the base 1, the longitudinal loading motor is arranged on one side of the base 1, the longitudinal loading motor is connected with the longitudinal loading screw rod and drives the longitudinal loading screw rod to synchronously rotate, and then the movement of the longitudinal translation frame 2 is realized. The longitudinal loading screw is also a ball screw.

As shown in FIGS. 4-5: the transverse suspension bracket 11, the vertical suspension bracket 12 and the longitudinal suspension bracket 13 have the same structure and respectively comprise a force application rod 16, a mounting disc 18 and suspension lugs 17, wherein the force application rod 16 is coaxially mounted on the end surface of the mounting disc 18, and the suspension lugs 17 are symmetrically mounted on two sides of the force application rod 16. In the present embodiment, the detection element is a tension sensor, and the detection element is disposed between the force application rod 16 and the mounting plate 18 so as to detect the loading force.

Adjusting devices are arranged between the transverse suspension bracket 11 and the transverse suspension bracket 13 and between the transverse translation bracket 8. Adjusting device includes support arm 15, pull rod 14 and gear shaft 19, and support arm 15 is vertical to be set up in the downside of horizontal translation frame 8, and the upper end of support arm 15 links to each other with horizontal translation frame 8, and pull rod 14 level sets up, and pull rod 14 slidable installs on support arm 15, and the mounting disc 18 coaxial arrangement is at the tip of pull rod 14 to with pull rod 14 simultaneous movement. The gear shaft 19 is rotatably arranged on the supporting arm 15, the gear shaft 19 is perpendicular to the pull rod 14, the gear shaft 19 is arranged on the upper side of the pull rod 14, gear teeth meshed with the gear shaft 19 are arranged on the upper side of the pull rod 14, axial movement of the pull rod 14 can be achieved by rotating the gear shaft 19, the position of the force application rod 16 is adjusted, and adjustment is convenient. The gear shaft 19 is provided with a hand wheel, which is convenient for rotating the gear shaft 19.

A clutch mechanism is arranged between the gear shaft 19 and the supporting arm 15 and comprises a clutch pin 20 and a steel ball 21, a blind hole is formed in one end, where the hand wheel is installed, of the gear shaft 19, one end of the clutch pin 20 is slidably arranged in the blind hole of the gear shaft 19, and the other end of the clutch pin extends out of the gear shaft 19. The lateral part of the gear shaft 19 is provided with a clamping hole, the clamping hole is arranged along the radial direction of the gear shaft 19 and is communicated with the blind hole, the steel ball 21 is arranged in the clamping hole, the inner side of the steel ball 21 is supported on the lateral part of the clutch pin 20, the outer side of the steel ball 21 is supported on the supporting arm 15, the supporting arm 15 is provided with a plurality of bosses which are uniformly distributed at intervals around the gear shaft 19, and the steel ball 21 is clamped between two adjacent bosses, so that the gear shaft 19 and the supporting arm 15 are clamped. And an abdicating groove 2001 is formed around the side part of the clutch pin 20, when the clutch pin 20 is pushed towards the square close to the gear shaft 19, the inner side of the steel ball 21 falls into the abdicating groove 2001, the steel ball releases the clamping on the gear shaft 19, and the gear shaft 19 can rotate relative to the supporting arm 15 so as to adjust the pull rod 14. The clamping holes are arranged around the gear shaft 19 at intervals, and steel balls 21 are arranged in each clamping hole.

A spring is provided in the blind bore of the gear shaft 19 which urges the clutch pin 20 outwardly and causes the side of the clutch pin 20 to push the steel ball 21 between the two bosses of the support arm 15. And a limiting ring for limiting the clutch pin 20 is arranged on the inner wall of the blind hole of the gear shaft 19.

When the pull rod 14 is used, the clutch pin 20 is pressed, the inner side of the steel ball 21 enters the yielding groove 2001, the clamping of the supporting arm 15 to the gear shaft 19 is released, and then the pull rod 14 is adjusted through the gear shaft 19. After the adjustment is completed, the clutch pin 20 is released, the clutch pin 20 moves outwards under the action of the spring and is supported on the limit ring, the steel ball 21 is pushed by the side part of the clutch pin 20 to enter between two adjacent bosses of the support arm 15, and the gear shaft 19 is clamped and fixed again.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. Isolator machinery static load testing arrangement, its characterized in that: the device comprises a clamping frame, a horizontal loading device and a vertical loading device, wherein the vertical loading device is arranged on the upper side of the clamping frame, the horizontal loading device is arranged on the vertical loading device and synchronously ascends and descends along with the vertical loading device, the horizontal loading device is arranged on the horizontal loading device and synchronously moves along with the horizontal loading device, suspension parts are arranged on the horizontal loading device, the vertical loading device and the vertical loading device, and each suspension part is connected with a detection element.

2. The mechanical static load testing device for the isolating switch according to claim 1, characterized in that: the vertical loading device comprises a lifting frame (7), a vertical loading motor and a vertical loading screw rod (5), wherein the vertical loading screw rod (5) is vertically arranged, the lifting frame (7) is in threaded connection with the vertical loading screw rod (5), the vertical loading motor is connected with the vertical loading screw rod (5) and drives the vertical loading screw rod to synchronously rotate, and a hanging part is arranged at the bottom of the lifting frame (7).

3. The mechanical static load testing device for the isolating switch according to claim 2, characterized in that: the vertical loading device further comprises a vertical column (4) which is vertically arranged, and the lifting frame (7) is slidably arranged on the vertical column (4).

4. The mechanical static load testing device for the isolating switch according to claim 1, characterized in that: the horizontal and transverse loading device comprises a transverse translation frame (8), a transverse loading motor and a transverse loading screw rod, wherein the transverse translation frame (8) is slidably arranged on the vertical loading device, the transverse loading screw rod is in threaded connection with the transverse translation frame (8), the transverse loading motor is connected with the transverse loading screw rod and drives the transverse loading screw rod to synchronously rotate, and a suspension part is arranged on one side of the transverse translation frame (8).

5. The mechanical static load testing device for the isolating switch according to claim 1, characterized in that: the horizontal longitudinal loading device comprises a longitudinal translation frame (2), a longitudinal loading motor and a longitudinal loading screw rod, the longitudinal loading screw rod is in threaded connection with the longitudinal translation frame (2), the longitudinal loading motor is connected with the longitudinal loading screw rod and drives the longitudinal loading screw rod to rotate, the clamping frame is installed on the upper side of the longitudinal translation frame (2), and a hanging portion matched with the longitudinal translation frame (2) is arranged on the horizontal transverse loading device.

6. The mechanical static load testing device for the isolating switch according to claim 1 or 5, wherein: the clamping frame comprises a fixing block (3), and a T-shaped groove (301) is formed in the top of the fixing block (3).

7. The mechanical static load testing device for the isolating switch according to claim 6, characterized in that: the fixing blocks (3) are arranged side by side along the longitudinal direction and are provided with a plurality of blocks at intervals.

8. The mechanical static load testing device for the isolating switch according to claim 1, characterized in that: the hanging part is connected with an adjusting device.

9. The mechanical static load testing device for the isolating switch according to claim 8, characterized in that: the adjusting device comprises a supporting arm (15), a gear shaft (19) and a pull rod (14), wherein the pull rod (14) is slidably arranged on the supporting arm (15), the gear shaft (19) is rotatably arranged on the supporting arm (15), the gear shaft (19) is perpendicular to the pull rod (14), and one side, close to the gear shaft (19), of the pull rod (14) is provided with side teeth meshed with the gear shaft (19).

10. The mechanical static load testing device for the isolating switch according to claim 9, characterized in that: a clutch mechanism is arranged between the gear shaft (19) and the supporting arm (15).