Chain deviation preventing mechanism for elevator

Abstract

The utility model discloses a chain deviation prevention mechanism for a hoister, which comprises a mounting plate and a deviation prevention component, the front end of the mounting plate is fixedly connected with bilaterally symmetrical support plates; the anti-deviation assembly comprises trapezoidal sliding grooves, trapezoidal sliding blocks, guide columns, a top plate and C-shaped frames, the trapezoidal sliding grooves which are symmetrical left and right are formed in the front side face of the mounting plate, the trapezoidal sliding blocks are slidably connected into the trapezoidal sliding grooves correspondingly, the C-shaped frames are fixedly connected to the front ends of the trapezoidal sliding blocks correspondingly, and the guide columns which are evenly distributed are rotatably connected into the C-shaped frames correspondingly; according to the mechanism for preventing the chain from deviating for the elevator, when the chain of the elevator is prevented from deviating, the chain of different sizes can be prevented from deviating, meanwhile, the multiple faces of the chain can be prevented from deviating, and the effect of preventing the chain from deviating is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of preventing chain deviation of elevator, specifically to a prevent chain deviation mechanism for elevator. BACKGROUND

[0002] The elevator is a kind of mechanical equipment for vertical or large inclination conveying material, personnel and the like, and the traction member, such as chain or belt in bucket elevator or steel wire rope in hoist type elevator. Their function is to bear material or lift container and transmit power to make material or container run along the track of elevator. The chain needs to have enough strength and wear resistance to bear the weight of hopper and its material, and the steel wire rope needs to have high tensile strength to ensure safety and reliability.

[0003] The prevent chain deviation mechanism of part of existing elevators prevents the chain deviation of elevator chain by installing guide wheel or limiting baffle on chain.

[0004] The prevent chain deviation mechanism of such elevator has the following problems: the position of guide wheel or limiting baffle is fixed when preventing the chain deviation of elevator chain, it cannot prevent the chain deviation of chain with different sizes, and it can only prevent the chain deviation of single side, so the effect of preventing chain deviation is not good. Therefore, we provide a prevent chain deviation mechanism for elevator. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a prevent chain deviation mechanism for elevator, which can prevent the chain deviation of chain with different sizes when preventing the chain deviation of elevator chain, and can prevent the chain deviation of multiple sides of chain, so the effect of preventing chain deviation is better, and the problems in the background art can be effectively solved.

[0006] To achieve the above object, the utility model provides the following technical scheme: a prevent chain deviation mechanism for elevator, which comprises a mounting plate, the front end of the mounting plate is fixedly connected with left-right symmetrical supporting plates, and further comprises a deviation prevention assembly.

[0007] The deviation prevention assembly comprises trapezoidal sliding grooves, trapezoidal sliding blocks, guide columns, top plates and C-shaped frames, the front side of the mounting plate is provided with left-right symmetrical trapezoidal sliding grooves, the inner part of the trapezoidal sliding groove is slidably connected with trapezoidal sliding blocks, the front end of the trapezoidal sliding block is fixedly connected with C-shaped frames, the inner part of the C-shaped frame is rotatably connected with uniformly distributed guide columns, the top plate is slidably connected between vertically adjacent two guide columns, when preventing the chain deviation of elevator chain, the chain deviation of chain with different sizes can be prevented, and the chain deviation of multiple sides of chain can be prevented, so the effect of preventing chain deviation is better.

[0008] Further, the anti-deviation assembly further comprises threaded rods and internally threaded cylinders, the outer sides of the support plates are respectively rotationally connected with the internally threaded cylinders, the inner portions of the internally threaded cylinders are respectively threadedly connected with the threaded rods, and the inner side ends of the threaded rods are respectively fixedly connected with the outer side ends of the transversely adjacent C-shaped frames, so that adjustment is facilitated.

[0009] Further, the anti-deviation assembly further comprises dials and locking bolts, the outer portions of the outer side ends of the internally threaded cylinders are respectively fixedly sleeved with the dials, the edges of the dials are respectively threadedly connected with the locking bolts, and the inner side ends of the locking bolts are respectively mounted in cooperation with the outer sides of the transversely adjacent support plates, so that locking is facilitated.

[0010] Further, the anti-deviation assembly further comprises internally threaded columns and lead screws, the front side walls of the C-shaped frames are respectively rotationally connected with the lead screws, the rear ends of the lead screws are respectively threadedly connected with the internally threaded columns, and the rear ends of the internally threaded columns are respectively fixedly connected with the front ends of the longitudinally adjacent top plates, so that adjustment is facilitated.

[0011] Further, the anti-deviation assembly further comprises dials and locking bolts, the outer portions of the outer side ends of the internally threaded cylinders are respectively fixedly sleeved with the dials, the edges of the dials are respectively threadedly connected with the locking bolts, and the inner side ends of the locking bolts are respectively mounted in cooperation with the outer sides of the transversely adjacent support plates, so that locking is facilitated.

[0012] Further, the front side of the mounting plate is provided with uniformly distributed threaded holes, and the inner portions of the threaded holes are respectively threadedly connected with bolts, so that installation is facilitated.

[0013] Further, the guide columns, the top plates and the C-shaped frames are all high manganese steel blocks, so that wear resistance is facilitated.

[0014] Compared with the prior art, the anti-deviation mechanism for the hoist has the following advantages:

[0015] The threaded rods are rotated and moved towards the internally threaded cylinders through the dials, the C-shaped frames are moved towards each other, the guide columns are brought into contact with the left and right ends of the chain to prevent deviation, the dials are then locked and fixed through the locking bolts, the lead screws and the internally threaded columns are driven by the dials to make the top plates contact the front of the chain to prevent deviation, the dials are then locked and fixed through the locking bolts, the chain of different sizes can be prevented from deviating when the chain of the hoist is prevented from deviating, the chain can be prevented from deviating on multiple sides, and the effect of preventing the chain from deviating is better. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the upper side of the utility model.

[0018] Fig. 3 It is the left side surface section view structure schematic diagram of the utility model.

[0019] In the figure: 1 mounting plate, 2 bolt, 3 support plate, 4 anti-deviation assembly, 401 trapezoidal sliding groove, 402 trapezoidal sliding block, 403 guide column, 404 threaded rod, 405 internal thread cylinder, 406 pulley one, 407 locking bolt, 408 top plate, 409 internal thread column, 410 screw rod, 411 pulley two, 412 jacking bolt, 413 C-shaped frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1-3 The embodiment provides a kind of technical scheme: a kind of anti-deviation mechanism for preventing chain for elevator, including mounting plate 1, the front end of mounting plate 1 is fixedly connected with left-right symmetrical support plate 3, still include anti-deviation assembly 4, the front side of mounting plate 1 is equipped with the evenly distributed threaded hole, the inner portion of threaded hole is respectively threadedly connected with bolt 2;

[0022] The anti-deviation assembly 4 comprises a trapezoidal sliding groove 401, a trapezoidal sliding block 402, a guide column 403, a top plate 408 and a C-shaped frame 413. The front side of the mounting plate 1 is provided with symmetrically left and right trapezoidal sliding grooves 401. The inner part of the trapezoidal sliding groove 401 is respectively connected with the trapezoidal sliding block 402 in a sliding mode. The front end of the trapezoidal sliding block 402 is respectively connected with the C-shaped frame 413 in a fixed mode. The inner part of the C-shaped frame 413 is respectively connected with the uniformly distributed guide columns 403 in a rotating mode. The vertically adjacent two guide columns 403 are respectively connected with the top plate 408 in a sliding mode. The anti-deviation assembly 4 further comprises a threaded rod 404 and an internally threaded cylinder 405. The outer side of the middle part of the support plate 3 is respectively connected with the internally threaded cylinder 405 in a rotating mode. The inner part of the internally threaded cylinder 405 is respectively connected with the threaded rod 404 in a threaded mode. The inner side end of the threaded rod 404 is respectively connected with the outer side end of the horizontally adjacent C-shaped frame 413 in a fixed mode. The anti-deviation assembly 4 further comprises a first pawl 406 and a locking bolt 407. The outer part of the outer side end of the internally threaded cylinder 405 is respectively fixedly provided with the first pawl 406. The edge of the first pawl 406 is respectively connected with the locking bolt 407 in a threaded mode. The inner side end of the locking bolt 407 is respectively mounted with the outer side of the horizontally adjacent support plate 3 in a matched mode. The anti-deviation assembly 4 further comprises an internally threaded column 409 and a lead screw 410. The front side wall of the C-shaped frame 413 is respectively connected with the lead screw 410 in a rotating mode. The rear end of the lead screw 410 is respectively connected with the internally threaded column 409 in a threaded mode. The rear end of the internally threaded column 409 is respectively connected with the front end of the vertically adjacent top plate 408 in a fixed mode. The anti-deviation assembly 4 further comprises a second pawl 411 and a jacking bolt 412. The front end of the lead screw 410 is respectively connected with the second pawl 411 in a fixed mode. The edge of the second pawl 411 is respectively connected with the jacking bolt 412 in a threaded mode. The rear end of the jacking bolt 412 is respectively mounted with the front end of the vertically adjacent C-shaped frame 413 in a matched mode. The guide column 403, the top plate 408 and the C-shaped frame 413 are all high manganese steel blocks. When preventing the deviation of the chain of the elevator, the mounting plate 1 is first mounted on the chain of the elevator through the bolt 2. Then the chain is placed between the guide columns 403. Then the first pawl 406 at both ends is rotated. The rotation of the first pawl 406 drives the rotation of the internally threaded cylinder 405. The rotation of the internally threaded cylinder 405 drives the rotation of the threaded threaded rod 404 moving towards each other. This makes the trapezoidal sliding block 402 move towards each other in the trapezoidal sliding groove 401. This drives the two ends of the C-shaped frame 413 to move towards each other. This makes the guide column 403 contact with the left and right ends of the chain to prevent deviation. Then the locking bolt 407 is screwed through the threaded hole on the first pawl 406. This makes the inner side end of the first pawl 406 tightly contact with the outer side of the horizontally adjacent support plate 3. This locks and fixes the first pawl 406. Then the second pawl 411 is rotated. The rotation of the second pawl 411 drives the rotation of the lead screw 410. The rotation of the lead screw 410 drives the threaded internally threaded column 409 to move backwards in a threaded mode. This drives the top plate 408 to move backwards between the guide columns 403. This prevents the chain from deviating from the front.Then through the lock bolt 412 through the threaded hole of the dial wheel two 411 screw thread deep, the rear end of the dial wheel two 411 respectively with the front side of the longitudinally adjacent C-shaped frame 413 tight, so that the dial wheel two 411 locking fixed.

[0023] The working principle of the chain deviation preventing mechanism for the elevator is as follows: in order to prevent the chain of the elevator from deviating, first, the mounting plate 1 is installed at the chain of the elevator through the bolt 2, then the chain is placed between the guide columns 403, then the dial wheel one 406 at both ends is rotated, the rotation of the dial wheel one 406 drives the rotation of the inner threaded cylinder 405, the rotation of the inner threaded cylinder 405 drives the rotation of the threaded threaded rod 404, and the trapezoidal sliding block 402 is moved towards the inside of the trapezoidal sliding groove 401, and the C-shaped frame 413 at both ends is moved towards, and the guide column 403 is in contact with the left and right ends of the chain to prevent deviation, then the lock bolt 407 is screwed through the threaded hole of the dial wheel one 406, the inner side end of the dial wheel one 406 is tightly pressed against the outer side of the transversely adjacent support plate 3, and the dial wheel one 406 is locked and fixed, then the dial wheel two 411 is rotated, the rotation of the dial wheel two 411 drives the rotation of the lead screw 410, the rotation of the lead screw 410 drives the rear movement of the threaded inner threaded column 409, and the top plate 408 is moved rearward between the guide columns 403, and the front of the chain is contacted to prevent deviation, then the lock bolt 412 is screwed through the threaded hole of the dial wheel two 411, the rear end of the dial wheel two 411 is tightly pressed against the front side of the longitudinally adjacent C-shaped frame 413, and the dial wheel two 411 is locked and fixed.

[0024] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A chain deviation preventing mechanism for an elevator, comprising a mounting plate (1), the front end of the mounting plate (1) being fixedly connected with left and right symmetrical supporting plates (3), characterized in that: The anti-deviation assembly (4) comprises a trapezoidal sliding groove (401), a trapezoidal sliding block (402), a guide column (403), a top plate (408), and a C-shaped frame (413). The anti-deviation assembly (4) further comprises a threaded rod (404) and an internally-threaded cylinder (405), the outer side surface of the support plate (3) is rotationally connected with the internally-threaded cylinder (405), the internally-threaded cylinder (405) is threadedly connected with the threaded rod (404), and the inner side end of the threaded rod (404) is fixedly connected with the outer side end of the C-shaped frame (413).

2. A chain derailing prevention mechanism for an elevator as defined in claim 1, characterized in that The anti-deviation assembly (4) further comprises a first dial (406) and a locking bolt (407), the outer side end of the internally-threaded cylinder (405) is fixedly sleeved with the first dial (406), the edge of the first dial (406) is threadedly connected with the locking bolt (407), and the inner side end of the locking bolt (407) is cooperatively arranged with the outer side surface of the support plate (3).

3. A chain derailing prevention mechanism for an elevator as defined in claim 2, characterized in that The anti-deviation assembly (4) further comprises an internally-threaded column (409) and a lead screw (410), the front side wall of the C-shaped frame (413) is rotationally connected with the lead screw (410), the rear end of the lead screw (410) is threadedly connected with the internally-threaded column (409), and the rear end of the internally-threaded column (409) is fixedly connected with the front end of the top plate (408).

4. A chain derailing prevention mechanism for an elevator as defined in claim 3, characterized in that: The anti-deviation assembly (4) further comprises a second dial (411) and a jacking bolt (412), the front end of the lead screw (410) is fixedly connected with the second dial (411), the edge of the second dial (411) is threadedly connected with the jacking bolt (412), and the rear end of the jacking bolt (412) is cooperatively arranged with the front end of the C-shaped frame (413).

5. A chain derailing prevention mechanism for an elevator as defined in claim 4, characterized in that: The front side surface of the mounting plate (1) is provided with uniformly-distributed threaded holes, and the inner side of the threaded holes is threadedly connected with the bolt (2).

6. A chain derailing prevention mechanism for an elevator as defined in claim 1, wherein: The guide column (403), the top plate (408), and the C-shaped frame (413) are all high-manganese steel blocks.

7. A chain derailing prevention mechanism for an elevator as defined in claim 1, wherein: ​

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