CN115224502A - Novel portable ground connection action bars - Google Patents

Abstract

The invention relates to the technical field of auxiliary tools for power equipment, and discloses a new type of portable grounding operating rod, comprising an insulating rod, a top plate, a bottom plate, a first sliding rod and a second sliding rod, wherein the first sliding rod and the second sliding rod are respectively Up and down sliding connection with the interior of the insulating rod, the first sliding rod and the second sliding rod are distributed inside the insulating rod one left and one right, the top end of the first sliding rod is connected with the top plate, and the first sliding rod is connected to the top plate. The top ends of the two sliding rods are connected to the bottom plate, and a linkage assembly is also arranged in the insulating rod. The linkage assembly drives the first sliding rod and the second sliding rod to move in the same direction. The movement speed is greater than the movement speed of the first sliding rod. The device does not introduce electrical components through mechanical connection. When clamping the cable, just pull down the insulating rod with one hand to drive the bottom plate to move towards the top plate, which greatly reduces the The operation difficulty is reduced and the operation speed is improved.

Description

A new type of portable grounding lever

technical field

The invention relates to a cable grounding device, in particular to a novel portable grounding lever.

Background technique

The grounding rod is an auxiliary tool that is often used in the process of electric power construction. The application of the grounding rod can greatly reduce the risk of electric shock for the operator. The structure of the existing grounding rod is roughly divided into two types. One is to manually rotate the built-in screw to drive the bottom plate to move to one side of the top plate, so as to realize the clamping of the cable; the other is to introduce a motor and use the motor. As a power, the screw is driven to rotate manually instead of manually, and the bottom plate is moved to the side of the top plate, so as to realize the clamping of the cable. Before clamping the cable, there needs to be a certain distance between the bottom plate and the top plate, while the cable is clamped into it, the structure 1 method is adopted. When the distance between the top plate and the bottom plate is large, the screw needs to be rotated for a long time, and this method cannot realize one-hand operation; while the second structure method can realize one-hand operation, but electrical components are introduced to add The cost of the grounding rod is increased, and when the motor fails and needs to be replaced, the connection relationship between each component and the motor must also be considered, and the maintenance is relatively cumbersome.

SUMMARY OF THE INVENTION

In view of this, the technical problem to be solved by the present invention is to provide a quick grounding lever that can be operated with one hand without introducing electrical components.

The technical scheme of the present invention is realized as follows:

The present invention provides a new type of portable grounding operation rod, which includes an insulating rod, a top plate, a bottom plate, a first sliding rod and a second sliding rod. The first sliding rod and the second sliding rod slide up and down with the interior of the insulating rod respectively. The first sliding rod and the second sliding rod are distributed inside the insulating rod, the top end of the first sliding rod is connected with the top plate, and the top end of the second sliding rod is connected with the The bottom plate is connected, and a linkage assembly is also arranged in the insulating rod. The linkage assembly drives the first sliding rod and the second sliding rod to move in the same direction, and the movement speed of the second sliding rod is greater than that of the first sliding rod. The speed of movement of the rod.

Preferably, a vertical first sliding rail and a second sliding rail are arranged inside the insulating rod, the first sliding rod is slidably installed in the first sliding rail, and the second sliding rod is slidably installed in the inside the second slide rail.

Preferably, the linkage assembly includes a first gear, a second gear, a speed-up gear and a driven wheel, the first gear and the second gear are rotatably connected with the inner wall of the insulating rod, the first sliding rod and the second The opposite side of the sliding rod is provided with a rack, the first sliding rod is meshed with the first gear through the rack, the second sliding rod is meshed with the second gear through the rack, and the speed increase The gear is coaxially connected to the first gear, the driven wheel is coaxially connected to the second gear, the outer diameter of the speed-up gear is larger than the outer diameter of the first gear, and the outer diameter of the driven wheel is smaller than or equal to the outer diameter of the second gear, the speed-up gear is meshed with the driven wheel.

Preferably, the insulating rod is further provided with a ratchet and a pawl, the ratchet is rotatably connected to the inner wall of the insulating rod, the ratchet is coaxially connected to the first gear or the second gear, and the upper part of the ratchet is The ratchet pawl is provided, the inner wall of the insulating rod is provided with a guide platform, a slideway is opened in the guide platform, and the ratchet pawl is penetrated in the slideway and is slidably connected with the slideway. The outer wall of the insulating rod is also provided with a reset component.

Preferably, the reset component includes a manual push block, the outer wall of the insulating rod is provided with a chute, the manual push block is slidably connected with the chute, and the chute is provided with a sliding groove that communicates with the interior of the insulating rod. A hole slot, the top of the pawl is provided with an upper limit plate, and the manual push block is connected to the upper limit plate through the hole slot through a connecting piece.

Preferably, the lower part of the pawl is provided with a lower limit plate, a return spring is arranged between the lower limit plate and the guide table, and the return spring is sleeved on the pawl.

Preferably, the bottom plate is connected with the second sliding rod through a fine adjustment component.

Preferably, the fine adjustment component includes a rectangular rod and a screw rod, the second sliding rod is provided with a vertical and communicating rectangular through hole and a cylindrical through hole, and the rectangular through hole is located on the upper part of the second sliding rod, so The cylindrical through hole is located at the lower part of the second sliding rod, the rectangular rod is slidably connected with the rectangular through hole, the bottom plate is connected with the top of the rectangular rod, and the inner wall of the cylindrical through hole is provided with an inner wall. The screw rod is screwed with the cylindrical through hole, the top of the screw rod is rotatably connected with the bottom of the rectangular rod, the bottom of the screw rod extends out of the bottom of the insulating rod, and the bottom of the screw rod is installed There are fine-tuning knobs.

Compared with the prior art, the beneficial effects of the present invention are:

The invention provides a new type of portable grounding lever. After adopting such a structure, it is only necessary to hook the top plate on the cable, and then pull the insulating rod downward with one hand, and the first sliding rod and the second sliding rod slide up respectively, And the sliding speed of the second sliding rod is greater than the sliding speed of the first sliding rod, thereby shortening the distance between the top plate and the bottom plate, that is, the bottom plate moves toward the top plate, until the top plate and the bottom contact the cable at the same time, and the cable is removed. To the clamping and squeezing, the operating rod is firmly snapped on the cable to realize the grounding of the cable, which greatly reduces the difficulty of operation and improves the operation speed.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only preferred embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

1 is a schematic diagram of the external structure of Embodiment 1 of the present invention;

Fig. 2 is the partial enlarged view of A in Fig. 1;

3 is a schematic diagram of the internal structure of Embodiment 1 of the present invention;

Fig. 4 is a partial enlarged view of B in Fig. 3;

5 is a top cross-sectional view of an insulating rod in Embodiment 1 of the present invention;

FIG. 6 is a schematic diagram of the internal structure of the second sliding rod in the second embodiment of the present invention.

In the figure, 1 insulating rod, 2 top plate, 3 bottom plate, 4 first sliding rod, 5 second sliding rod, 6 first sliding rail, 7 second sliding rail, 8 first gear, 81 speed-up gear, 9 second gear , 91 driven wheel, 10 rack, 11 ratchet, 12 pawl, 13 guide table, 14 manual push block, 15 chute, 16 hole slot, 17 upper limit plate, 18 lower limit plate, 19 return spring, 20 rectangular rod , 21 screw, 22 fine adjustment knob.

Detailed ways

In order to better understand the technical content of the present invention, specific embodiments are provided below, and the present invention is further described with reference to the accompanying drawings.

Example 1

Referring to FIGS. 1 to 5 , the present invention provides a new type of portable grounding operating rod, including an insulating rod 1 , a top plate 2 , a bottom plate 3 , a first sliding rod 4 and a second sliding rod 5 . The first sliding rod 4 and The second sliding rods 5 are respectively connected up and down with the inside of the insulating rod 1 , the first sliding rod 4 is located on the left side inside the insulating rod 1 , and the second sliding rod 5 is located inside the insulating rod 1 On the right side, the top end of the first sliding rod 4 is connected to the top plate 2 , the top end of the second sliding rod 5 is connected to the bottom plate 3 , and the insulating rod 1 is also provided with a linkage assembly, the linkage The assembly drives the first sliding rod 4 and the second sliding rod 5 to move in the same direction, and the movement speed of the second sliding rod 5 is greater than that of the first sliding rod 4 .

Hook the top plate 2 on the cable, pull the insulating rod 1 downward, the first sliding rod 4 slides out upward, the movement of the first sliding rod 4 drives the linkage assembly to move, and the linkage assembly drives the second sliding rod 5 to slide out upward, and The sliding speed of the second sliding rod 5 is greater than the sliding speed of the first sliding rod 4, so that the bottom plate 3 can move to the side of the top plate 2. When the insulating rod 1 is pulled down to a certain distance, the bottom plate 3 will contact the bottom of the cable , the cable is clamped and squeezed by the top plate 2 and the bottom, and the operating rod can be firmly snapped on the cable to realize the grounding of the cable. The device is mechanically connected without introducing electrical components. When clamping the cable, the bottom plate 3 can be driven to move toward the top plate 2 by pulling down the insulating rod 1 with one hand, which greatly reduces the difficulty of operation and improves the operation speed.

The insulating rod 1 is provided with a vertical first slide rail 6 and a second slide rail 7, the first slide rod 4 is slidably installed in the first slide rail 6, and the second slide rod 5 slides Installed in the second slide rail 7 .

The linkage assembly includes a first gear 8, a second gear 9, a speed-up gear 81 and a driven wheel 91. The first gear 8 and the second gear 9 are rotatably connected to the inner wall of the insulating rod 1, and the first sliding The opposite side of the rod 4 and the second sliding rod 5 is provided with a rack 10 , the first sliding rod 4 is meshed with the first gear 8 through the rack 10 , and the second sliding rod 5 is connected by the rack 10 It is meshed with the second gear 9 , the speed-up gear 81 is coaxially connected to the first gear 8 , the driven wheel 91 is coaxially connected to the second gear 9 , and the outer diameter of the speed-up gear 81 Greater than the outer diameter of the first gear 8 , the outer diameter of the driven wheel 91 is smaller than or equal to the outer diameter of the second gear 9 , and the speed-up gear 81 is engaged with the driven wheel 91 .

After hooking the top plate 2 on the cable, pull down the insulating rod 1 with one hand, and the first sliding rod 4 drives the top plate 2 to slide up. Under the action of the rack 10 of the first sliding rod 4, the first gear 8 drives the The speed-up gear 81 rotates clockwise, the speed-up gear 81 drives the driven wheel 91 and the second gear 9 to rotate counterclockwise, and the second gear 9 pushes the second sliding rod 5 to slide up through the rack 10 . The first gear 8 and the speed gear 81 are coaxially connected, so the angular velocity is the same, so the linear speed of the speed-up gear 81 with a large outer diameter is greater than that of the first gear 8 with a small outer diameter, and the speed-up gear 81 meshes with the driven wheel 91, Therefore, the linear speed of the two is the same, so the linear speed of the second gear 9 is greater than that of the first gear 8, so the sliding speed of the second sliding rod 5 is greater than that of the first sliding rod 4, so Reduce the distance between the bottom plate 3 and the top plate 2, and finally realize the clamping of the cable between the bottom plate 3 and the top plate 2. In addition, the weight of the insulating rod 1 is set to be greater than the weight of the first sliding rod 4 and the second sliding rod 5. After the top plate 2 and the bottom plate 3 complete the clamping of the cables, the insulating rod 1 always tends to move downward under the action of gravity. , so as to exert an always upward force on the second sliding rod 5, so that the occlusion of the cable is more tightly.

The insulating rod 1 is also provided with a ratchet 11 and a pawl 12 for preventing the first sliding rod 4 or the second sliding rod 5 from sliding downward. The ratchet 11 is rotatably connected to the inner wall of the insulating rod 1, and the The ratchet wheel 11 is coaxially connected with the first gear 8 or the second gear 9 . In this solution, the ratchet wheel 11 is coaxially connected with the first gear 8 . On the side, the ratchet 12 is provided above the ratchet wheel 11 , the inner wall of the insulating rod 1 is provided with a guide table 13 , a slideway is opened in the guide table 13 , and the ratchet 12 passes through the slide. The outer wall of the insulating rod 1 is also provided with a reset component.

When the first sliding rod 4 extends outwards and the first gear 8 rotates clockwise, the pawl 12 will reciprocate up and down along the sliding motion, and the movements of the first gear 8 and the second gear 9 will not be affected; When the sliding rod 4 slides back down, the first gear 8 will rotate counterclockwise. At this time, the guide table 13 will cooperate with the pawl 12 to be caught between the teeth of the ratchet wheel 11, and the counterclockwise rotation of the ratchet wheel 11 is prohibited, so as to realize the protection of the cable. Grip firmly.

The reset component includes a manual push block 14, the outer wall of the insulating rod 1 is provided with a chute 15, the manual push block 14 is slidably connected with the chute 15, and the chute 15 is provided with a connection with the insulating rod. 1. A hole and groove 16 communicated inside, an upper limit plate 17 is provided on the top of the pawl 12, and the manual push block 14 is connected to the upper limit plate 17 through the hole and groove 16 through a connecting piece.

The lower part of the pawl 12 is provided with a lower limit plate 18 , a return spring 19 is arranged between the lower limit plate 18 and the guide table 13 , and the return spring 19 is sleeved on the pawl 12 .

When the grounding rod needs to be removed from the cable, the manual push block 14 is pushed upward by the thumb, and the manual push block 14 slides up along the chute 15 to drive the upper limit plate 17 of the pawl 12 to move upward, and the pawl 12 Separated from the ratchet 11, the first gear 8 and the second gear 9 can rotate freely. At this time, the insulating rod 1 is lifted up, and the cable will exert a downward force on the bottom plate 3. At the same time, the first sliding rod 4 and the second sliding rod 5 will also be moved downward by gravity. Similarly, the downward speed of the second sliding rod 5 will be greater than that of the first sliding rod 4, thereby expanding the distance between the bottom plate 3 and the top plate 2, so that the ground rod can be removed from the cable. Down. The return spring 19 can provide a downward force for the reset of the pawl 12 when the ratchet wheel 11 rotates clockwise; at the same time, after the operator releases the manual push block 14, the elastic force of the return spring can also drive the pawl 12 and the manual pusher. Block 14 resets down.

Embodiment 2

Referring to FIG. 6 , the difference between this embodiment and the first embodiment is that the bottom plate 3 is connected to the second sliding rod 5 through a fine adjustment component.

The fine-tuning component includes a rectangular rod 20 and a screw rod 21 , the second sliding rod 5 is provided with a vertical and communicating rectangular through hole and a cylindrical through hole, and the rectangular through hole is located at the upper part of the second sliding rod 5 , The cylindrical through hole is located at the lower part of the second sliding rod 5, the rectangular rod 20 is slidably connected to the rectangular through hole, the bottom plate 3 is connected to the top of the rectangular rod 20, and the cylindrical The inner wall of the hole is provided with an internal thread, the screw 21 is threadedly connected to the cylindrical through hole, the top of the screw 21 is rotatably connected to the bottom of the rectangular rod 20, and the bottom of the screw 21 extends out of the insulating rod 1, a fine adjustment knob 22 is installed at the bottom of the screw 21.

By rotating the fine-tuning knob 22, the screw rod 21 can be driven to move upward along the cylindrical channel, thereby driving the rectangular rod 20 and the bottom plate 3 to move upward, so that the position of the bottom plate 3 can be adjusted twice, so that the bottom plate 3 can better clamp the cable. , greatly improving the holding capacity.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (8)

1. The utility model provides a novel portable ground connection action bars, its characterized in that, includes insulator spindle, roof, bottom plate, first slide bar and second slide bar respectively with inside upper and lower sliding connection of insulator spindle, first slide bar and second slide bar first left and right side distribute inside the insulator spindle, the top of first slide bar with the roof is connected, the top of second slide bar with the bottom plate is connected, still be equipped with the linkage subassembly in the insulator spindle, the linkage subassembly drives the syntropy motion is to first slide bar and second slide bar, the velocity of motion of second slide bar is greater than the velocity of motion of first slide bar.

2. The novel portable grounding operating rod as claimed in claim 1, wherein the insulating rod is internally provided with a first vertical slide rail and a second vertical slide rail, the first slide rail is slidably mounted in the first slide rail, and the second slide rail is slidably mounted in the second slide rail.

3. The novel portable grounding operating rod as claimed in claim 1, wherein the linkage assembly comprises a first gear, a second gear, a speed-up gear and a driven wheel, the first gear and the second gear are rotatably connected with the inner wall of the insulating rod, racks are arranged on opposite sides of the first sliding rod and the second sliding rod, the first sliding rod is meshed with the first gear through the racks, the second sliding rod is meshed with the second gear through the racks, the speed-up gear is coaxially connected with the first gear, the driven wheel is coaxially connected with the second gear, the outer diameter of the speed-up gear is larger than that of the first gear, the outer diameter of the driven wheel is smaller than or equal to that of the second gear, and the speed-up gear is meshed with the driven wheel.

4. The novel portable grounding operating rod according to claim 3, wherein a ratchet wheel and a pawl are further arranged in the insulating rod, the ratchet wheel is rotatably connected with the inner wall of the insulating rod, the ratchet wheel is coaxially connected with the first gear or the second gear, the pawl is arranged above the ratchet wheel, a guide table is arranged on the inner wall of the insulating rod, a slide way is formed in the guide table, the pawl penetrates through the slide way and is slidably connected with the slide way, and a reset part is further arranged on the outer wall of the insulating rod.

5. The novel portable grounding operating rod as claimed in claim 4, wherein the reset component includes a manual push block, the outer wall of the insulating rod is provided with a sliding groove, the manual push block is slidably connected with the sliding groove, a hole groove communicated with the inside of the insulating rod is formed in the sliding groove, an upper limit plate is arranged at the top of the pawl, and the manual push block passes through the hole groove through a connecting piece to be connected with the upper limit plate.

6. The novel portable grounding operating rod as claimed in claim 5, wherein a lower limiting plate is disposed at a lower portion of the pawl, a return spring is disposed between the lower limiting plate and the guide table, and the return spring is sleeved on the pawl.

7. The novel portable ground lever of claim 1, wherein the base plate is connected to the second slide bar by a fine adjustment member.

8. The novel portable grounding operating rod as claimed in claim 7, wherein the fine adjustment component comprises a rectangular rod and a screw rod, a rectangular through hole and a cylindrical through hole are vertically arranged in the second slide rod and are communicated with each other, the rectangular through hole is arranged on the upper portion of the second slide rod, the cylindrical through hole is arranged on the lower portion of the second slide rod, the rectangular rod is slidably connected with the rectangular through hole, the bottom plate is connected with the top of the rectangular rod, an internal thread is arranged on the inner wall of the cylindrical through hole, the screw rod is in threaded connection with the cylindrical through hole, the top of the screw rod is rotatably connected with the bottom of the rectangular rod, the bottom of the screw rod extends out of the bottom of the insulating rod, and a fine adjustment knob is mounted at the bottom of the screw rod.

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