Conveyor belt calibration device for insulator production

By designing a conveyor belt calibration device with automatic alignment and axial alignment, the problems of low production efficiency and manual intervention caused by conveyor belt deviation were solved, and efficient and stable insulator production was achieved.

CN223905993UActive Publication Date: 2026-02-13ZIBO DOMASTER INSULATORS CO LTD
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Patent Information

Application Number
CN202520700533.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-02-13
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

In the insulator production process, conveyor belt deviations lead to frequent calibrations, affecting production rate and quality. Furthermore, traditional equipment requires manual adjustment of insulators, reducing processing efficiency.

Method used

A conveyor belt calibration device was designed, comprising a conveyor table, an insulator flipping device, and an adjustable calibration structure. The insulator flipping device automatically aligns the insulators, and the adjustable calibration structure enables automatic axial alignment calibration. Efficient calibration is achieved through the cooperation of a bidirectional adjusting screw and calibration components.

Benefits of technology

It significantly improves insulator production efficiency, reduces manual intervention, increases calibration and subsequent processing speed, ensures the stability and reliability of calibration work, and reduces labor costs.

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Abstract

The utility model relates to the technical field of insulator production, and discloses a conveyor belt calibration device for insulator production, which comprises a conveying table, an insulator turnover device I, an insulator turnover device II and an adjustable calibration structure consisting of a top frame, a bidirectional adjusting screw rod and a calibration piece, an adjustable calibration structure is arranged at the top end of the conveying table, the adjustable calibration structure is connected with the side edge of the top end of the conveying table in a matched mode through an adaptive bolt, and a first insulator turnover device and a second insulator turnover device are arranged on the side, away from the adjustable calibration structure, of the top end of the conveying table. The conveyor belt calibration device is characterized in that the adjustable calibration structure comprises a first insulator turnover device and a second insulator turnover device, the first insulator turnover device and the second insulator turnover device are identical in structure, and the first insulator turnover device and the second insulator turnover device are connected with the conveying table in a matched mode through adaptive bolts. The overall calibration efficiency is improved, and the overall practicability and convenience are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to insulator production technical field, concretely is a kind of insulator production conveying belt calibration device. BACKGROUND

[0002] Insulator is widely used in electric power system and other fields, plays extremely key function, in electric power transmission line, the primary role of insulator is to realize electrical insulation, it can effectively isolate different potential conductors, prevent current leakage, ensure that electric current is transmitted along the predetermined line, guarantee the safe and stable operation of electric power system, such as on high-voltage transmission line, insulator is separated from the pole tower and other grounding components of the live wire, avoids the short circuit of line and the discharge phenomenon to surrounding objects.

[0003] But in the production process of insulator, as important transportation function's conveying belt can exist transport deviation problem, for this reason, frequent calibration work is carried out to conveying belt, seriously influence the rate and quality of insulator production, and traditional conveying device needs to be equipped with staff to carry out the right work to the inverted state insulator on conveying belt, seriously affect subsequent processing rate, for this reason, we provide a kind of insulator production conveying belt calibration device. UTILITARIAN CONTENT

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of insulator production conveying belt calibration device, solves the above-mentioned problems.

[0006] (II) technical scheme

[0007] To realize the above-mentioned purposes, the utility model provides the following technical scheme: a kind of insulator production conveying belt calibration device, including conveying table, insulator overturning device one and insulator overturning device two, and adjustable calibration structure consisting of top frame, two-way adjusting screw and calibration piece, the top end of conveying table is provided with adjustable calibration structure, the adjustable calibration structure is connected with the top end side of conveying table by the cooperation of adaptive bolt, and the top end of conveying table is provided with insulator overturning device one and insulator overturning device two away from adjustable calibration structure side, the structure of insulator overturning device one and insulator overturning device two is identical, the insulator overturning device one is connected with the conveying table by the cooperation of adaptive bolt, and insulator overturning device two, and insulator overturning device one is placed between adjustable calibration structure and insulator overturning device two.

[0008] Preferably, the adjustable calibration structure corresponding to the structure connected to the top end of the conveying table is a top frame, the top end of the top frame is provided with a bidirectional adjusting screw rod, and the inside of the top frame is provided with two calibration members which are also axially symmetrically distributed, and the top end of the calibration member corresponds to penetrating through the top frame and is in threaded connection with the bidirectional adjusting screw rod.

[0009] Preferably, the top frame as a whole is in an inverted U-shaped structure, both opposite side walls of the top frame are provided with two connection holes one which are axially symmetrically distributed, the connection holes one are in connection with the conveying table through adaptive bolts, the center of the top end of the top frame is provided with a fixed block, the two side edges of the top end of the top frame corresponding to the fixed block are provided with axially symmetrically distributed fitting blocks, the side wall of the fitting block is provided with a fitting hole which penetrates through the fitting block and the fixed block and is in connection with the bidirectional adjusting screw rod, and the top end of the top frame is provided with a group of sliding grooves which are axially symmetrically distributed and are in sliding connection with the calibration members.

[0010] Preferably, the bottom end of the calibration member is provided with a plate member, the plate member corresponding to the one end of the insulator overturning device is in a curved structure, the two calibration members corresponding to the one end of the insulator overturning device form a folding structure, the top end of the calibration member is provided with a connecting block, the bottom end of the connecting block is in sliding connection with the sliding groove, and the inside of the connecting block is provided with a threaded shaft sleeve one which is in threaded connection with the bidirectional adjusting screw rod.

[0011] Preferably, the insulator overturning device one as a whole is in an axially symmetric structure and is composed of a steel wire, two side frames, two lifting threaded adjusting rods and two threaded shaft sleeves two, the bottom end of the side frame is provided with four connection holes two which are axially symmetrically distributed, the side frame is in connection with the side edge of the top end of the conveying table through the connection holes two and adaptive bolts, the inside of the side frame is provided with the lifting threaded adjusting rod which is in threaded connection with the threaded shaft sleeve two corresponding to the inside end of the side frame, and the top end of the lifting threaded adjusting rod is provided with a rotating handle, and the two ends of the steel wire are in connection with the threaded shaft sleeves two.

[0012] Preferably, when the lifting threaded adjusting rod rotates, the threaded shaft sleeve two can be driven to vertically move up and down, so that the height of the steel wire can be adjusted, and the steel wires of the insulator overturning device one and the insulator overturning device two can correct the inverted insulators on the conveying belt at the top end of the conveying table.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the insulator production conveying belt calibration device has the following beneficial effects:

[0015] 1. The conveying belt calibration device for insulator production significantly improves the production efficiency of insulators. On the one hand, the insulator overturning device one and the insulator overturning device two can automatically correct the inverted insulators. The operator can flexibly adjust the height of the steel wire to adapt to insulators of different specifications by rotating the lifting screw adjusting rod, thereby realizing efficient correction, reducing manual intervention, and reducing labor costs. On the other hand, the adjustable calibration structure can quickly arrange and calibrate the insulators in the axial direction. By rotating the bidirectional adjusting screw, the distance between the two calibration pieces can be accurately adjusted to adapt to different production needs, avoiding frequent calibration due to the deviation of the conveying belt, greatly improving the calibration and subsequent processing rate of the insulators, and overall improving the production rhythm.

[0016] 2. The conveying belt calibration device for insulator production has excellent stability and reliability. In the structural design, the top frame is firmly installed on the conveying table through the connecting hole one with the adaptive bolt, providing stable support for the bidirectional adjusting screw and the calibration piece. The calibration piece and the sliding groove of the top frame are in sliding fit, ensuring smooth adjustment. At the same time, the bottom of the calibration piece does not contact the conveying belt, preventing friction interference during calibration. Even if the conveying belt deviates, the calibration work can still be carried out normally. In addition, the insulator overturning device one and two are structurally stable, tightly connected with the conveying table through the connecting hole two, and the design of the lifting screw adjusting rod ensures stable height adjustment of the steel wire, ensuring the reliability of the insulator correction work and providing a solid guarantee for insulator production. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the insulator production conveying belt calibration device of the utility model.

[0018] Figure 2 It is a top frame schematic view of the utility model.

[0019] Figure 3 It is a calibration piece schematic view of the utility model.

[0020] Figure 4 It is an insulator overturning device one schematic view of the utility model.

[0021] In the figure: 1, conveying table; 2, top frame; 3, bidirectional adjusting screw; 4, calibration piece; 5, insulator overturning device one; 6, insulator overturning device two; 7, driving motor; 8, connecting hole one; 9, fixed block; 10, matching block; 11, matching hole; 12, sliding groove; 13, plate piece; 14, connecting block; 15, screw sleeve one; 16, side frame; 17, lifting screw adjusting rod; 18, screw sleeve two; 19, steel wire; 20, connecting hole two. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] Please refer to Figures 1-4 The utility model provides a kind of conveying belt calibration device for insulator production, including conveying table 1, insulator overturning device one 5 and insulator overturning device two 6, and adjustable calibration structure consisting of top frame 2, two-way adjusting screw rod 3 and calibration piece 4, the top end of conveying table 1 is provided with adjustable calibration structure, adjustable calibration structure is connected with the top end side of conveying table 1 by adapting bolt, and the side of top end of conveying table 1 away from adjustable calibration structure is provided with insulator overturning device one 5 and insulator overturning device two 6, insulator overturning device one 5 and insulator overturning device two 6 are identical in structure, insulator overturning device one 5 and insulator overturning device two 6 are connected with conveying table 1 by adapting bolt, and insulator overturning device one 5 is placed between adjustable calibration structure and insulator overturning device two 6, after insulator is pushed right by insulator overturning device one 5 and insulator overturning device two 6, enters adjustable calibration structure, adjustable calibration structure can carry out axial alignment calibration to insulator, facilitate subsequent processing, and greatly improve processing rate.

[0024] Further, the structure corresponding to the connection of the top end of conveying table 1 is top frame 2, top frame 2 top end is equipped with two-way adjusting screw rod 3, and the inside of top frame 2 is equipped with two calibration pieces 4 that are still distributed in axial symmetry, and the top end of calibration piece 4 corresponds to pass through top frame 2, calibration piece 4 corresponds with two-way adjusting screw rod 3 screw thread connection, adjustable calibration structure is rotated by two-way adjusting screw rod 3 and then adjusts the distance between two calibration pieces 4, to control the axial alignment calibration of insulator, and the bottom of calibration piece 4 will not contact with conveying belt, prevent friction, even if conveying belt is offset, it will not affect the calibration of insulator by adjustable calibration structure, discards frequent adjustment to conveying belt, to improve the calibration rate of insulator.

[0025] Further, the top frame 2 is in inverted U-shaped structure as a whole, and two opposite side walls of the top frame 2 are provided with two connection holes one 8 which are axially symmetrically distributed, the connection hole one 8 is connected with the conveying table 1 through the matching bolt, and the top end of the top frame 2 is provided with a fixed block 9, the top end of the top frame 2 is provided with a matching block 10 which is axially symmetrically distributed on the side of the fixed block 9, the side wall of the matching block 10 is provided with a matching hole 11, the matching hole 11 penetrates the matching block 10 and the fixed block 9, and the matching hole 11 is connected with the two-way adjusting screw 3, the top end of the top frame 2 is provided with a group of sliding grooves 12 which are axially symmetrically distributed, the sliding groove 12 is connected with the calibration piece 4, the top frame 2 supports the two-way adjusting screw 3 and the two calibration pieces 4, and the two ends of the two-way adjusting screw 3 are reversely threaded, so as to adjust the distance between the two calibration pieces 4 and improve the flexibility.

[0026] Further, the bottom end of the calibration piece 4 is provided with a plate 13, and the plate 13 is curved on one end corresponding to the insulator turnover device one 5, the two calibration pieces 4 form a folding structure on one end corresponding to the insulator turnover device one 5, and the top end of the calibration piece 4 is provided with a connecting block 14, the bottom end of the connecting block 14 is connected with the sliding groove 12, and the inside of the connecting block 14 is provided with a threaded sleeve one 15, the threaded sleeve one 15 is connected with the two-way adjusting screw 3, and the folding structure of the two calibration pieces 4 improves the arrangement and calibration rate, that is, improves the subsequent processing rate.

[0027] Further, the insulator turnover device one 5 is in axial symmetry structure as a whole, which is composed of a steel wire 19, two side frames 16, two lifting threaded adjusting rods 17 and two threaded sleeves two 18, the bottom end of the side frame 16 is provided with four connection holes two 20 which are axially symmetrically distributed, the side frame 16 is connected with the top end side of the conveying table 1 through the connection hole two 20 and the matching bolt, the inside of the side frame 16 is provided with the lifting threaded adjusting rod 17, the inside end of the side frame 16 is connected with the threaded sleeve two 18 through the lifting threaded adjusting rod 17, and the top end of the lifting threaded adjusting rod 17 is provided with a rotating handle, the two ends of the steel wire 19 are connected with the threaded sleeve two 18, the insulator turnover device one 5 and the insulator turnover device two 6 can correct the inverted insulator, reduce the labor input, reduce the production cost and improve the overall production efficiency.

[0028] Further, when the lifting threaded adjusting rod 17 rotates, the threaded sleeve two 18 can be vertically lifted and moved, that is, the height of the steel wire 19 can be adjusted, the steel wire 19 of the insulator turnover device one 5 and the insulator turnover device two 6 can correct the inverted insulator on the conveying belt of the top end of the conveying table 1, when the lifting threaded adjusting rod 17 rotates, only the inside of the side frame 16 rotates, and does not lift, while the bottom threaded rod of the lifting threaded adjusting rod 17 rotates into the vertical lifting movement of the threaded sleeve two 18.

[0029] Structure Description:

[0030] Transport table 1: as the device base bearing structure, the top is used for arranging adjustable calibration structure and insulator overturning device one 5 and two 6, provides support platform for insulator transmission, is connected with other components through adaptive bolt;

[0031] Top frame 2: inverted U type, is fixed on the top end side of the transport table 1 through the connecting hole one 8 with adaptive bolt, supports the bidirectional adjusting screw rod 3 and the calibration piece 4, and the top is provided with a sliding slot 12 matched with the calibration piece 4;

[0032] Bidirectional adjusting screw rod 3: installed on the top end of the top frame 2, the threads of both ends are opposite, when rotating, the distance between the two calibration pieces 4 matched with the threads can be adjusted, the axial arrangement calibration of the insulator is realized;

[0033] Calibration piece 4: the top is matched with the bidirectional adjusting screw rod 3 through the threaded sleeve one 15 in the connecting block 14, the bottom is provided with a plate piece 13, the end corresponding to the insulator overturning device one 5 is curved structure, the two calibration pieces form the folding structure for calibrating the insulator;

[0034] Insulator overturning device one 5: composed of steel wire 19, side frame 16, lifting threaded adjusting rod 17, threaded sleeve two 18, connected with the transport table 1 through the connecting hole two 20, the height of the steel wire 19 can be adjusted to correct the inverted insulator;

[0035] Insulator overturning device two 6: the structure is consistent with the insulator overturning device one 5, is also installed on the top end of the transport table 1, cooperates with one 5 to automatically correct the inverted insulator, improves the production efficiency;

[0036] Driving motor 7: provides rotating power for the bidirectional adjusting screw rod 3, is connected with the bidirectional adjusting screw rod 3 through specific transmission structure, realizes the automatic adjustment of the distance between the calibration pieces 4;

[0037] Connecting hole one 8: located on the two opposite side walls of the top frame 2, is axially symmetrically distributed, is used for adaptive bolt to pass through, stably installs the top frame 2 on the top end side of the transport table 1, guarantees the stable connection of the structure;

[0038] Fixed block 9: is arranged on the top end center of the top frame 2, cooperates with the matching block 10 on both sides, is matched with the bidirectional adjusting screw rod 3 through the matching hole 11, assists the installation of the bidirectional adjusting screw rod 3 and stabilizes the rotation thereof;

[0039] Matching block 10: is axially symmetrically distributed on both side edges of the fixed block 9 on the top end of the top frame 2, the side wall is provided with a matching hole 11, cooperates with the fixed block 9, realizes the matched connection with the bidirectional adjusting screw rod 3;

[0040] Matching hole 11: through the matching block 10 and the fixed block 9, matched with the two-way adjusting screw rod 3, so that the two-way adjusting screw rod 3 can be stably installed on the top frame 2 and move the calibration piece 4 when rotating;

[0041] Chute 12: opened at the top end of the top frame 2, axially symmetrically distributed, and slidably matched with the connecting block 14 at the bottom of the calibration piece 4, guiding the calibration piece 4 to move smoothly on the top frame 2;

[0042] Plate 13: located at the bottom end of the calibration piece 4, the end corresponding to the insulator turnover device 5 is a curved structure, and the ends of the plate 13 of the two calibration pieces 4 form a folding structure, which is beneficial to arrange and calibrate the insulator;

[0043] Connecting block 14: the top end structure of the calibration piece 4, the bottom end is slidably matched with the chute 12, and the inside is provided with a threaded sleeve 15 which is threadedly matched with the two-way adjusting screw rod 3, so as to realize the position adjustment of the calibration piece 4;

[0044] Threaded sleeve 15: arranged in the connecting block 14, threadedly matched with the two-way adjusting screw rod 3, when the two-way adjusting screw rod 3 rotates, the connecting block 14 and the calibration piece 4 are driven to move along the chute 12, and the calibration distance is adjusted;

[0045] Side frame 16: a component of the insulator turnover device 5 and 6, having four connection holes 20 axially symmetrically distributed at the bottom, used for being connected with the top end side of the conveying table 1 through adaptive bolts, supporting other components;

[0046] Lifting threaded adjusting rod 17: arranged in the side frame 16, having a rotating handle at the top, when rotating, driving the threaded sleeve 18 to vertically move up and down, so as to adjust the height of the steel wire 19 to straighten the insulator;

[0047] Threaded sleeve 2: threadedly matched with the lifting threaded adjusting rod 17, when the lifting threaded adjusting rod 17 rotates, the threaded sleeve 2 is vertically moved up and down, so as to adjust the height of the steel wire 19 connected therewith;

[0048] Steel wire 19: connected with the threaded sleeve 2 at both ends, when the height is appropriate, the inverted insulator on the conveying belt can be straightened, and the posture adjustment work of the insulator is completed;

[0049] Connection hole 20: located at the bottom end of the side frame 16, axially symmetrically distributed, tightly connecting the side frame 16 with the top end side of the conveying table 1 through adaptive bolts, and ensuring the stable installation of the insulator turnover device.

[0050] Working principle: according to the correct installation of the insulator production conveying belt calibration device shown in the drawing, mainly by the conveying table 1, the top frame 2, the two-way adjusting screw 3, the calibration piece 4, the insulator turnover device one 5, the insulator turnover device two 6 and other components work together, in the process of insulator transmission, first, when the inverted insulator is transmitted to the insulator turnover device one 5 and the insulator turnover device two 6, the two consistent turnover devices start to work, taking the insulator turnover device one 5 as an example, it is composed of two side frames 16, two lifting threaded adjusting rods 17, two threaded shaft sleeves two 18 and steel wires 19, the operator rotates the rotating handle at the top of the lifting threaded adjusting rod 17, because the lifting threaded adjusting rod 17 is screwed with the threaded shaft sleeve two 18, and the bottom threaded rod of the lifting threaded adjusting rod 17 is screwed with the threaded shaft sleeve two 18, so the height of the steel wire 19 can be adjusted, when the inverted insulator passes, the steel wire 19 can correct it, so that the insulator continues to transmit in the correct posture, thereby reducing the workload of manual correction and improving the production efficiency, the corrected insulator then enters the adjustable calibration structure composed of the top frame 2, the two-way adjusting screw 3 and the calibration piece 4, the top frame 2 is inverted U-shaped structure, fixed on the top end side of the conveying table 1 by the connecting hole 8 with the adaptive bolt, plays a supporting role, the fixed block 9 at the top end center of the top frame 2 and the matching block 10 on both sides are matched with the connecting hole 11 and the two-way adjusting screw 3, the two ends of the two-way adjusting screw 3 are threaded in opposite directions, when the two-way adjusting screw 3 is rotated, because the threaded shaft sleeve one 15 in the connecting block 14 at the top of the calibration piece 4 is screwed with the two-way adjusting screw 3, and the connecting block 14 at the bottom is slidingly connected with the sliding groove 12 at the top end of the top frame 2, so the two calibration pieces 4 will move towards or away from each other along the sliding groove 12, thereby adjusting the distance between them, the plate 13 at the bottom of the calibration piece 4 is curved at one end corresponding to the insulator turnover device one 5, the two calibration pieces 4 form a folding structure at this end, which can arrange and calibrate the transmitted insulator in the axial direction, and the bottom of the calibration piece 4 will not contact the conveying belt, avoiding friction, even if the conveying belt deviates, it will not affect the calibration of the insulator, effectively improving the calibration rate and facilitating the subsequent processing procedure.

[0051] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A kind of insulator production conveying belt calibration device, including conveying table (1), insulator overturning device one (5) and insulator overturning device two (6), and adjustable calibration structure consisting of top frame (2), two-way adjusting screw (3) and calibration piece (4), it is characterized by: The top end of the conveying table (1) is provided with an adjustable calibration structure, which is connected with the top end side of the conveying table (1) through an adapter bolt, and the side of the top end of the conveying table (1) away from the adjustable calibration structure is provided with an insulator turnover device one (5) and an insulator turnover device two (6), the insulator turnover device one (5) and the insulator turnover device two (6) are identical in structure, the insulator turnover device one (5) and the insulator turnover device two (6) are connected with the conveying table (1) through an adapter bolt, and the insulator turnover device one (5) is arranged between the adjustable calibration structure and the insulator turnover device two (6).

2. The kind of transmission belt calibration device for insulator production according to claim 1, characterized in that: The structure corresponding to the connection of the top end of the conveying table (1) is a top frame (2), the top end of the top frame (2) is provided with a bidirectional adjusting screw (3), and the inside of the top frame (2) is provided with two calibration pieces (4) which are also axially symmetrically distributed, and the top end of the calibration piece (4) corresponds to passing through the top frame (2), and the calibration piece (4) corresponds to the threaded connection with the bidirectional adjusting screw (3).

3. The kind of transmission belt calibration device for insulator production according to claim 2, characterized in that: The top frame (2) is in the form of an inverted U-shaped structure, and two connecting holes one (8) are formed in the two opposite side walls of the top frame (2) and are axially symmetrically distributed, the connecting hole one (8) is connected with the conveying table (1) through an adapter bolt, and a fixed block (9) is arranged at the top end of the top frame (2), and the two side edges of the fixed block (9) correspond to the top end of the top frame (2) and are provided with axially symmetrically distributed matching blocks (10), the side wall of the matching block (10) is provided with a matching hole (11), the matching hole (11) penetrates the matching block (10) and the fixed block (9), and the matching hole (11) corresponds to the matching connection with the bidirectional adjusting screw (3), and a group of slide grooves (12) are formed in the top end of the top frame (2) and are axially symmetrically distributed, the slide groove (12) corresponds to the sliding connection with the calibration piece (4).

4. The kind of transmission belt calibration device for insulator production according to claim 2, characterized in that: The bottom end of the calibration piece (4) is provided with a plate (13), and one end of the plate (13) corresponding to the insulator turnover device one (5) is in the form of a curved structure, the two calibration pieces (4) corresponding to one end of the insulator turnover device one (5) form a folding structure, and the top end of the calibration piece (4) is provided with a connecting block (14), the bottom end of the connecting block (14) corresponds to the sliding connection with the slide groove (12), and the inside of the connecting block (14) is provided with a threaded shaft sleeve one (15), the threaded shaft sleeve one (15) corresponds to the threaded connection with the bidirectional adjusting screw (3).

5. The kind of transmission belt calibration device for insulator production according to claim 4, characterized in that: The insulator overturning device one (5) is an axisymmetric structure, which is composed of a steel wire (19), two side frames (16), two lifting screw adjusting rods (17) and two screw shaft sleeves two (18), four second connecting holes (20) which are axially symmetric are arranged at the bottom end of the side frame (16), the side frame (16) is connected with the top end side of the conveying table (1) through the second connecting holes (20) and matched bolts, the lifting screw adjusting rod (17) is arranged in the side frame (16), the lifting screw adjusting rod (17) is threadedly connected with the screw shaft sleeve two (18) at the corresponding inner end of the side frame (16), a rotating handle is arranged at the top end of the lifting screw adjusting rod (17), and the two ends of the steel wire (19) are connected with the screw shaft sleeve two (18).

6. The kind of transmission belt calibration device for insulator production according to claim 5, characterized in that: When the lifting screw adjusting rod (17) rotates, the screw shaft sleeve two (18) is vertically lifted and moved, the height of the steel wire (19) is adjusted, and the steel wires (19) of the insulator overturning device one (5) and the insulator overturning device two (6) can correct the inverted insulators on the conveying belt at the top end of the conveying table (1).