CN105690314A - Electrified bolt fastening tool - Google Patents

Abstract

The invention provides a live fastening bolt tool, comprising a driving mechanism, a worm gear mechanism directly connected to the driving mechanism, an operating rod and a sleeve detachably connected to the top of the operating rod, the output end of the driving mechanism is directly connected to the worm , the worm drives the rotation of the operating rod and the sleeve through the meshing of the helical teeth on its outer peripheral surface and the worm gear ring, so as to complete the fastening of the bolts. The operating rod includes an upper operating rod and a lower operating rod connected by a cross shaft universal joint, the lower operating rod includes a fixed rod and a first-stage telescopic rod, and the first-stage telescopic rod is telescopically connected inside the fixed rod. The present invention transmits the torque directly to the operating rod through the worm gear mechanism to realize electrified operation, and can adjust the angle of the operating rod according to the actual situation, and adjust the overall length of the operating rod by adjusting the telescopic length of the primary telescopic rod, so as to adapt to various tasks status, safe operation, time-saving and labor-saving, and remarkable economic and social effects.

Description

live fastening bolt tool

technical field

The invention relates to the technical field of electric power construction tools, in particular to a live fastening bolt tool.

Background technique

In the power transmission line, affected by external factors such as wind force, air flow, temperature difference and other factors, the fastening bolts on the live poles and towers often loosen. When fastening the bolts, the staff must first cut off the power and then manually tighten them. There are many constraints, power outages will bring inconvenience to people's lives, and cause economic losses to the production of enterprises. The existing live fastening bolt tools have poor stability and are inconvenient to operate. Handling is difficult with bolts that are placed high or in tight places.

Contents of the invention

The object of the present invention is to solve the problems existing in the prior art, and design a live fastening bolt tool, which can effectively reduce the number of power failures, realize live operation, safe operation, and save time and effort.

The technical solution of the present invention is: a live fastening bolt tool, characterized in that it includes a driving mechanism, a worm gear mechanism directly connected to the driving mechanism, an operating rod and a sleeve detachably connected to the top of the operating rod, the driving mechanism A drive motor is adopted, the output end of the drive motor is directly connected to the worm, and the spline connection between the worm wheel and the operating rod is used, and the worm drives the operation through the meshing of the helical teeth on its outer peripheral surface and the worm gear ring gear. The rotation of the rod and the sleeve, wherein the operating rod includes an upper operating rod and a lower operating rod, the lower end of the upper operating rod is connected with the upper end of the lower operating rod through a cross shaft universal joint, and the upper end of the upper operating rod The length is less than that of the lower operating rod, and the lower operating rod includes a fixed rod and a first-stage telescopic rod, and the first-stage telescopic rod is telescopically connected inside the fixed rod.

The middle part of the above-mentioned fixed rod is provided with a telescopic hole along the axial direction, the inner side wall of the fixed rod is provided with a card slot, and the outer peripheral surface of the first-stage telescopic rod is provided with a spring clip ball, and the spring clip ball and the clip The slots cooperate to adjust the overall length of the fixed rod and the primary telescopic rod, and the primary telescopic rod rotates with the rotation of the fixed rod.

The spring clip beads are arranged at equal intervals, and the clip slots are arranged at equal intervals.

The above live tightening bolt tool also includes a secondary telescopic rod, the interior of the primary telescopic rod is set as hollow, the inner wall of the primary telescopic rod is provided with a card slot, and the outer peripheral surface of the secondary telescopic rod A spring clip is provided, and the secondary telescopic rod is telescopically connected inside the primary telescopic rod, and the secondary telescopic rod rotates with the rotation of the primary telescopic rod.

The upper operating rod, the lower operating rod and the straight rod section of the worm are covered with a polyester resin insulating layer.

The above-mentioned sleeve is provided with a magnet device, which is fastened by clamping bolts.

The above-mentioned sleeve is threadedly connected with the operating rod.

Above-mentioned drive motor adopts micromotor.

The beneficial effect of the present invention can be obtained through the above scheme: by adopting the worm gear mechanism, the torque can be directly transmitted to the operating rod, and then the sleeve can be driven to tighten the bolt, so that the live operation can be realized, the number of power outages can be reduced, and the cost to the enterprise can be avoided. The production brings economic loss and reduces the labor intensity of the operator; by setting the cross-axis universal joint between the upper operating rod and the lower operating rod, the angle of the operating rod can be adjusted according to the actual situation, and by adjusting the The telescopic length can adjust the overall length of the operating rod. By adopting the invention, the operation is safe, saves time and effort, can adapt to various working conditions, and has remarkable economic and social effects.

It can be seen that the present invention has outstanding substantive features and remarkable progress compared with the prior art, and the beneficial effects of its implementation are also obvious.

Description of drawings:

Fig. 1 is the front view structure schematic diagram of the present invention;

Fig. 2 is a schematic bottom view of the structure of the present invention.

Among them, 1 is the sleeve, 2 is the upper operating rod, 3 is the cross shaft universal joint, 4 is the lower operating rod, 4-1 is the first-level telescopic rod, 4-2 is the fixed rod, 5 is the worm wheel, and 6 is the worm , 7 is the output shaft, and 8 is the driving motor.

detailed description:

In order to better understand the present invention, the implementation manner of the present invention will be explained in detail below in conjunction with the accompanying drawings.

The specific embodiment: the live fastening bolt tool as shown in Figure 1 includes a drive mechanism, a worm gear mechanism directly connected to the drive mechanism, an operating rod and a sleeve 1 detachably connected to the top of the operating rod, and the driving mechanism adopts a drive The motor 8, the output shaft 7 of the drive motor 8 is directly connected to the worm 6, the ring gear of the worm gear 5 is connected with the operating rod by a spline, and the worm 6 is driven and operated through the meshing of the helical teeth on its outer peripheral surface and the gear ring of the worm gear 5 The rotation of the rod and the sleeve 1, wherein the operating rod includes an upper operating rod 2 and a lower operating rod 4, the lower end of the upper operating rod 2 is connected with the upper end of the lower operating rod 4 through a cross shaft universal joint 3, and the upper operating rod 2 The length of the lower operating rod 4 is less than the length of the lower operating rod 4. The lower operating rod 4 includes a fixed rod 4-2 and a first-level telescopic rod 4-1. The middle part of the fixed rod 4-2 is provided with a telescopic hole along the axial direction, and the fixed rod 4-2 The inner wall is provided with card slots, and the outer peripheral surface of the primary telescopic rod 4-1 is provided with spring clip beads, which are arranged at equal intervals, and the clip slots are arranged at equal intervals. The spring clip beads cooperate with the clip slots, and the primary telescopic The rod 4-1 is telescopically connected inside the fixed rod 4-2, and then adjusts the overall length of the fixed rod 4-2 and the primary telescopic rod 4-1, and the primary telescopic rod 4-1 follows the fixed rod 4-2's turn and turn.

The above-mentioned charged fastening bolt tool also includes a secondary telescopic rod (not shown in the figure), the inside of the primary telescopic rod 4-1 is set to be hollow, and the inner wall of the primary telescopic rod 4-1 is provided with a draw-in slot, and the secondary telescopic rod 4-1 The outer circumferential surface of the telescopic rod is provided with spring clip beads, and the secondary telescopic rod is telescopically connected to the inside of the primary telescopic rod 4-1, and the secondary telescopic rod rotates with the rotation of the primary telescopic rod 4-1. The operating rod in the present invention can be provided with a multi-stage telescopic rod. The upper operating rod 2 , the lower operating rod 4 and the straight rod sections of the worm 6 are covered with a polyester resin insulating layer. The sleeve 1 is provided with a magnet device, which is fastened by clamping bolts. The sleeve 1 is threadedly connected with the operating rod. Drive motor 8 adopts micromotor.

With the present invention, in actual work, the torque output by the drive motor 8 is directly transmitted to the operating rod through the worm gear mechanism to realize electrified operation, and the angle of the operating rod can be adjusted according to the actual situation. By adjusting the primary telescopic rod 4- The telescopic length of 1 adjusts the overall length of the operating rod to adapt to various working conditions. The present invention is safe in operation, saves time and effort, reduces the number of power outages, avoids inconvenience to people's lives, and avoids economic losses to enterprise production. and social effects are remarkable.

The above descriptions are not intended to limit the present invention, and the present invention is not limited to the above-mentioned examples. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the scope of the present invention shall also belong to the present invention scope of protection.

Claims (8)

1. Live fastening bolt tool, it is characterized in that: comprise driving mechanism, the worm and gear mechanism directly connected with driving mechanism, operating lever and the sleeve that is detachably connected with the top of operating lever, described driving mechanism adopts drive motor, so The output end of the drive motor is directly connected to the worm, the spline connection between the worm gear and the operating rod, and the worm drives the operating rod and the sleeve through the engagement of the helical teeth on its outer peripheral surface and the worm gear ring gear. Rotate, the operating rod includes an upper operating rod and a lower operating rod, the lower end of the upper operating rod is connected with the upper end of the lower operating rod through a cross shaft universal joint, and the length of the upper operating rod is shorter than that of the lower operating rod The lower operating rod includes a fixed rod and a primary telescopic rod, and the primary telescopic rod is telescopically connected inside the fixed rod. 2. The live fastening bolt tool according to claim 1, characterized in that: the central part of the fixed rod is provided with a telescopic hole along the axial direction, the inner wall of the fixed rod is provided with a card slot, and the first stage A spring clip ball is arranged on the outer circumference of the telescopic rod, and the spring clip ball cooperates with the clip slot to adjust the overall length of the fixed rod and the first-stage telescopic rod, and the first-stage telescopic rod rotates with the rotation of the fixed rod. 3. The live fastening bolt tool according to claim 2, characterized in that: the spring clip beads are arranged at equal intervals, and the clip grooves are arranged at equal intervals. 4. The live fastening bolt tool according to claim 2, characterized in that: it also includes a secondary telescopic rod, the inside of the primary telescopic rod is hollow, and the inner wall of the primary telescopic rod is provided with a clip groove, the outer circumferential surface of the secondary telescopic rod is provided with a spring clamp ball, and the secondary telescopic rod is telescopically connected to the inside of the primary telescopic rod, and the secondary telescopic rod follows the Turn and turn. 5. The live fastening bolt tool according to claim 1 or 2, characterized in that: the upper operating rod, the lower operating rod and the straight section of the worm are covered with a polyester resin insulating layer. 6. The live bolt tightening tool according to claim 1, characterized in that: said sleeve is provided with a magnet device for fastening by clamping the bolt. 7. The live fastening bolt tool according to claim 6, characterized in that: the sleeve is threadedly connected to the operating rod. 8. The live bolt tightening tool according to claim 1, characterized in that: the driving motor is a micro motor.