Auxiliary lifting appliance for insulator assembly

Abstract

The utility model discloses an auxiliary lifting appliance for insulator assembly, which relates to the technical field of insulators, and comprises a base, a lifting appliance I and a ball screw, a vertical support arm is connected right above the base, a lifting mechanism is arranged on one side of the vertical support arm, the lifting mechanism adjusts the height of the lifting appliance I according to the use requirements, and the lifting appliance I is connected with the ball screw. The lifting appliance I and the lifting appliance II are arranged on the base, so that insulators with different sizes and lengths can be assembled and lifted, a positioning mechanism is arranged right above the base, and the positioning mechanism adjusts the clamping range according to the diameter of the porcelain insulator, so that the flexibility in the loading and unloading processes of the lifting appliance I and the lifting appliance II is ensured when the porcelain insulator is assembled. In the using process, the ball screw drives the inner tooth guide block to conduct vertical adjustment, meanwhile, the inner tooth guide block is used for conducting vertical lifting treatment on the first lifting appliance and the second lifting appliance which are arranged on one side, and therefore the height of the first lifting appliance and the height of the second lifting appliance can be conveniently adjusted according to the length of an insulator.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of insulator, concretely relates to a kind of auxiliary lifting appliance for insulator assembly. BACKGROUND

[0002] A large number of insulators are provided on power system equipment, such as disconnecting switch post insulators, busbar post insulators, and reactor post insulators, etc. During equipment installation or maintenance work, the situation of needing to hoist insulators often occurs. The current method for hoisting insulators is to first bind them with a sling, and then use a hoisting device to hoist them.

[0003] After hoisting, the verticality of the insulator needs to be adjusted. When the sling is tied, special attention needs to be paid. If the position and angle of the sling binding have errors, the insulator will not be vertical after hoisting. Sometimes, the verticality of the insulator needs to be adjusted multiple times to control the verticality of the insulator, so the operation is relatively complex, and sometimes multiple people need to cooperate to complete the operation, which is very laborious, and thus the work efficiency is low. SUMMARY

[0004] The utility model aims to provide a kind of auxiliary lifting appliance for insulator assembly to solve the above-mentioned defects caused in the prior art.

[0005] An auxiliary lifting appliance for insulator assembly includes a base, a lifting appliance one and a ball screw. A vertical support arm is connected above the base. A lifting mechanism is arranged on one side of the vertical support arm. The lifting mechanism adjusts the height of the lifting appliance one according to the requirements, so as to satisfy the assembly and hoisting of insulators of different sizes and lengths. A positioning mechanism is arranged above the base. The positioning mechanism adjusts the range of clamping according to the diameter of the porcelain insulator, so as to ensure the flexibility of the lifting appliance one and the lifting appliance two during the assembly of the porcelain insulator.

[0006] Preferably, the lifting mechanism includes a guide slot, a ball screw, a fastening hole, a rotating shaft and an internal tooth guide block. The guide slot is arranged on the outside of the vertical support arm. The ball screw is arranged in the guide slot. The fastening hole is arranged at equal intervals on one side of the vertical support arm. The bottom end of the rotating shaft is connected above the ball screw. The internal tooth guide block is connected to the outside of the guide slot.

[0007] Preferably, the guide slot is connected to the outside of the ball screw through the internal tooth guide block connected to the outside of the guide slot.

[0008] Preferably, the positioning mechanism includes the lifting appliance one, the lifting appliance two, a rubber pad, a column rubber sleeve, an arc flat sheet, a positioning hole and a nut. The lifting appliance two is arranged on one side of the lifting appliance one. The rubber pad is arranged on the inner end of the lifting appliance two and the lifting appliance one. The column rubber sleeve is arranged above the lifting appliance one. The positioning hole is arranged on the outside of the arc flat sheet symmetrically welded on the upper and lower sides of the lifting appliance two. The nut is arranged in the positioning hole.

[0009] Preferably, the lifting appliance is connected with the guide groove through the inner tooth guide block arranged on one side.

[0010] Preferably, the lifting appliance two is connected with the outer side of the lifting appliance one through the arc-shaped flat pieces arranged on the upper and lower sides.

[0011] Preferably, the arc-shaped flat pieces are connected with the outer side of the lifting appliance one through the symmetrically arranged positioning holes.

[0012] Compared with the prior art, the lifting appliance has the following advantages:

[0013] 1. In the use process, the inner tooth guide block is driven by the ball screw to vertically adjust, and the lifting appliance one and the lifting appliance two arranged on one side are vertically lifted by the inner tooth guide block, so that the height of the lifting appliance one and the lifting appliance two can be adjusted according to the length of the insulator, the stability of the insulator in the assembling process is ensured, and the side of the inner tooth guide block is positioned by the fastening hole arranged at the bottom end, so that the inner tooth guide block is prevented from shaking.

[0014] 2. After the height adjustment is completed, the annular groove of the insulator is positioned by the lifting appliance one, and then the lifting appliance two and the lifting appliance one are assembled and positioned, so that the annular grooves of insulators of different sizes can be positioned, the stability of the insulator group in the assembling process is ensured, and the arc-shaped flat pieces arranged on the upper and lower sides of the lifting appliance two are in contact with the lifting appliance one, so that the stability of the lifting appliance two in the positioning process is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a structure schematic view of the lifting appliance two itself in the utility model.

[0017] Figure 3 It is a whole front view structure schematic view in the utility model.

[0018] Figure 4 It is a whole top view structure schematic view in the utility model.

[0019] Figure 5 It is a whole side view structure schematic view in the utility model.

[0020] Among them:

[0021] 1. Base; 2. Vertical support arm; 3. Guide groove; 4. Ball screw; 5. Fastening hole; 6. Lifting mechanism; 7. Lifting appliance one; 8. Lifting appliance two; 9. Rubber pad; 10. Column rubber sleeve; 11. Shaft; 12. Arc-shaped flat piece; 13. Positioning hole; 14. Positioning mechanism; 15. Nut; 16. Inner tooth guide block. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As shown in Figures 1 to 5 An auxiliary lifting appliance for assembling insulators, comprising a base 1, a lifting appliance one 7 and a ball screw 4, a vertical support arm 2 is connected above the base 1, a lifting mechanism 6 is arranged on one side of the vertical support arm 2, the lifting mechanism 6 adjusts the height of the lifting appliance one 7 according to the requirements of use, thereby satisfying the assembling and hoisting of insulators of different sizes and lengths, a positioning mechanism 14 is arranged above the base 1, the positioning mechanism 14 adjusts the clamping range according to the diameter of the porcelain insulator, thereby ensuring the flexibility of the lifting appliance one 7 and the lifting appliance two 8 during the assembling of the porcelain insulator.

[0024] In the embodiment, the lifting mechanism 6 comprises a guide groove 3, a ball screw 4, a fastening hole 5, a rotating shaft 11 and an internal tooth guide block 16, the guide groove 3 is arranged on the outer side of the vertical support arm 2, the ball screw 4 is arranged in the guide groove 3, the fastening holes 5 are arranged at equal intervals on one side of the vertical support arm 2, the bottom end of the rotating shaft 11 is connected above the ball screw 4, and the internal tooth guide block 16 is connected on the outer side of the guide groove 3.

[0025] In the embodiment, the guide groove 3 is connected with the ball screw 4 on the outer side through the internal tooth guide block 16 connected on the outer side, and the internal tooth guide block 16 is vertically increased by the ball screw 4, thereby facilitating the adjustment of the height of the lifting appliance one 7.

[0026] In the embodiment, the positioning mechanism 14 comprises the lifting appliance one 7, the lifting appliance two 8, a rubber pad 9, a column rubber sleeve 10, an arc flat sheet 12, a positioning hole 13 and a nut 15, the lifting appliance two 8 is arranged on one side of the lifting appliance one 7, the rubber pad 9 is arranged at the inner end of the lifting appliance two 8 and the lifting appliance one 7, the column rubber sleeve 10 is arranged above the lifting appliance one 7, the arc flat sheets 12 are welded on the upper and lower sides of the lifting appliance two 8, the positioning holes 13 are arranged on the outer side of the arc flat sheets 12 in a symmetrical manner, and the nut 15 is arranged in the positioning hole 13, and the nut 15 and the lifting appliance one 7 are positioned by a screw.

[0027] In the embodiment, the lifting appliance one 7 is connected with the guide groove 3 through the internal tooth guide block 16 arranged on one side, and the lifting appliance one 7 is positioned by the internal tooth guide block 16, thereby facilitating the adjustment of the height of the lifting appliance one 7.

[0028] In the embodiment, the lifting appliance two 8 is connected with the outer side of the lifting appliance one 7 through the arc flat sheets 12 arranged on the upper and lower sides, and the lifting appliance two 8 and the lifting appliance one 7 are positioned by the vertically positioned screw.

[0029] In the embodiment, the arc-shaped flat sheet 12 is connected to the outer side of the lifting appliance one 7 by symmetrically opening the positioning hole 13, the stability of the connection is increased by the arc-shaped flat sheet 12, and the disassembly and assembly of the lifting appliance two 8 and the lifting appliance one 7 are facilitated.

[0030] The auxiliary lifting appliance for assembling insulators in actual application includes the following working contents:

[0031] Step 1: in the use process, first, the rotating shaft 11 is held, the rotating shaft 11 drives the ball screw 4 to rotate, the ball screw 4 drives the inner tooth guide block 16 to displace in the inside of the guide groove 3, the height of the lifting appliance one 7 and the lifting appliance two 8 is adjusted, the lifting appliance one 7 and the lifting appliance two 8 are convenient for assembling the insulators of the corresponding size and length, when the height of the lifting appliance one 7 and the lifting appliance two 8 meets the assembly, the screw is inserted into the inside of the fastening hole 5, the inner tooth guide block 16 and the vertical supporting arm 2 are positioned;

[0032] Step 2: then, according to the size of the annular groove of the top insulator, the rubber pad 9 of the corresponding size is selected, the rubber pad 9 is respectively installed on the outer side of the lifting appliance one 7 and the lifting appliance two 8, the annular groove of the insulator is contacted with the rubber pad 9 in the inside of the lifting appliance one 7, then the lifting appliance two 8 is held, the rubber pad 9 on the outer side of the lifting appliance two 8 is contacted with the other side annular groove of the insulator, the annular groove of the insulator is clamped, and the arc-shaped flat sheet 12 on the upper and lower sides of the lifting appliance two 8 is contacted with the outer side of the lifting appliance one 7;

[0033] Step 3: then, the bolt is inserted into the inside of the positioning hole 13, the arc-shaped flat sheet 12 on the outer side of the lifting appliance two 8 is locked with the lifting appliance one 7, the bottom end of the bolt is connected with the inside of the nut 15 by continuously rotating the bolt, the connection part of the lifting appliance one 7 and the lifting appliance two 8 is avoided from shaking, then the threaded rod of the insulator is positioned by the column rubber sleeve 10, and the insulator is connected with the suspender by the fastener;

[0034] Step 4: then, the insulator ball head hanging ring is connected with the insulator bowl head again, the ball head hanging ring is inserted into the insulator bowl head, the two are ensured to be closely matched and can be flexibly rotated, and the corresponding fittings are installed at both ends of the insulator string. The suspension fittings such as right-angle hanging plates are installed at the suspension end, then the connection part of the lifting appliance one 7 and the lifting appliance two 8 is separated, the top insulator is taken out by the operator, and the insulator group is taken out and separated after the assembly is completed.

[0035] Therefore, the above disclosed embodiments are only examples in all aspects, and are not the only ones. All changes within the scope of the utility model or within the scope equivalent to the utility model are included in the utility model.

Claims

1. An auxiliary hoist for assembling an insulator, characterized by: Including base (1), lifting appliance one (7) and ball screw (4), the top of base (1) is connected with vertical support arm (2), one side of vertical support arm (2) is provided with lifting mechanism (6), lifting mechanism (6) adjusts the height of lifting appliance one (7) according to the demand of use, then satisfies the assembly and hoisting of insulator of different size and length, the top of base (1) is provided with positioning mechanism (14), positioning mechanism (14) adjusts the range of clamping according to the diameter of porcelain insulator, then ensures the flexibility of lifting appliance one (7) and lifting appliance two (8) when assembling porcelain insulator.

2. An auxiliary hoist for assembling an insulator according to claim 1, characterized in that: The lifting mechanism (6) includes a guide groove (3), a ball screw (4), a fastening hole (5), a shaft (11) and an internal tooth guide block (16), the guide groove (3) is opened on the outside of the vertical support arm (2), the ball screw (4) is arranged inside the guide groove (3), the fastening hole (5) is equidistantly opened on one side of the vertical support arm (2), the bottom end of the shaft (11) is connected above the ball screw (4), and the internal tooth guide block (16) is connected outside the guide groove (3).

3. An auxiliary hoist for assembling an insulator according to claim 2, characterized in that: The guide groove (3) is connected with the ball screw (4) outside through the internal tooth guide block (16) connected outside.

4. An auxiliary hoist for assembling an insulator according to claim 1, characterized in that: The positioning mechanism (14) includes lifting appliance one (7), lifting appliance two (8), rubber pad (9), column rubber sleeve (10), arc flat sheet (12), positioning hole (13) and nut (15), one side of lifting appliance one (7) is provided with lifting appliance two (8), the inner end of lifting appliance two (8) and lifting appliance one (7) is provided with rubber pad (9), the top of lifting appliance one (7) is provided with column rubber sleeve (10), the upper and lower sides of lifting appliance two (8) are welded with arc flat sheet (12), the outer side of arc flat sheet (12) is symmetrically provided with positioning hole (13), and the inside of positioning hole (13) is provided with nut (15).

5. An auxiliary hoist for assembling an insulator according to claim 4, characterized in that: The lifting appliance one (7) is connected with the guide groove (3) through the internal tooth guide block (16) arranged on one side.

6. An auxiliary hoist for assembling an insulator according to claim 4, characterized in that: The lifting appliance two (8) is connected with the outer side of lifting appliance one (7) through the arc flat sheet (12) arranged on the upper and lower sides.

7. An auxiliary hoist for assembling an insulator according to claim 4, characterized in that: The arc flat sheet (12) is connected with the outer side of lifting appliance one (7) by symmetrically opening the positioning hole (13).

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