Chain deviation preventing mechanism for elevator

Abstract

The utility model belongs to the technical field of elevators, and provides a chain deviation preventing mechanism for an elevator, which comprises a mounting bedplate, a lifting structure arranged in the middle of the front of the mounting bedplate, vertical adjusting structures arranged on two sides of the front of the mounting bedplate, and a longitudinal adjusting structure arranged between the vertical adjusting structures. A correcting structure is arranged between the longitudinal adjusting structures; the vertical adjusting structure comprises two fixing plates, the two fixing plates are symmetrically arranged on the two sides of the front face of the mounting table plate, a plurality of fixing bolts are arranged on the two sides of the front faces of the two fixing plates at equal intervals in a penetrating mode, and the rear ends of the fixing bolts are fixedly mounted on the mounting table plate. The problems that according to existing equipment, a passing chain is clamped and adjusted through two limiting plates, however, the chain is often inclined towards one side in the deviation form, the distance between the two limiting plates is narrow, the direction changing stroke of the chain is insufficient, and consequently only the limiting plate on one side can conduct limiting, and the limiting plate on the other side can rub the chain are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hoist especially relates to a prevent chain deviation mechanism for hoist. BACKGROUND

[0002] The hoist is the large -scale mechanical equipment through the change potential energy and transports, and the hoist adopts the traction mechanism of chain plus sprocket form and carries out traction work when carrying out running work, and the chain is easy to deviate due to vibration and other reasons when lifting, so a prevent chain deviation mechanism for hoist is needed.

[0003] Through the retrieval of the patent with the disclosure no. CN222181668U, a prevent chain deviation mechanism for hoist is disclosed, which comprises a base, the top end of the base is installed with a support plate, and the surface of the support plate is installed with a traction assembly, the both sides of the support plate are installed with an anti-deviation mechanism, the anti-deviation mechanism comprises a telescopic assembly for contraction, an adjusting assembly for adjusting width and a limiting assembly for limiting, one end of the support plate is connected with a plurality of groups of connecting plates, and the telescopic assembly is installed and fixed with the support plate through the connecting plate.

[0004] The existing equipment clamps and adjusts the passing chain through two limiting plates, but the form of chain deviation is often inclined to one side, the distance between the two limiting plates is narrow, the stroke of the chain direction change is insufficient, only one side of the limiting plate can limit, and the limiting plate on the other side will scratch the chain.

[0005] Therefore, it is necessary to provide a prevent chain deviation mechanism for hoist to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] To solve the above technical problems, the utility model provides a prevent chain deviation mechanism for hoist.

[0007] The prevent chain deviation mechanism for hoist provided by the utility model comprises an installation base plate, the front surface middle part of the installation base plate is provided with a lifting structure, the front surface both sides of the installation base plate are provided with vertical adjusting structures, the vertical adjusting structures are provided with longitudinal adjusting structures, and the longitudinal adjusting structures are provided with correction structures.

[0008] The vertical adjusting structure comprises two fixed plates, the two fixed plates are symmetrically arranged on the two sides of the front face of the mounting table plate, a plurality of fixed bolts are symmetrically arranged on the front face of the two fixed plates, the rear ends of the fixed bolts are fixedly installed on the mounting table plate, guide sliding plates are fixedly arranged on the front face of the two fixed plates, a plurality of sliding frames are slidably arranged on the front face of the two guide sliding plates, position locking bolts are arranged on the ends of the sliding frames away from each other, and the ends of the position locking bolts close to each other are extended to the corresponding guide sliding plates.

[0009] In order to avoid the effect of the sliding frame derailing, the utility model provides a kind of prevent chain deviation mechanism for elevator, preferably, the front face both ends of the two guide sliding plates are fixedly provided with anti-derailing block.

[0010] In order to achieve the effect of accurate longitudinal adjustment correction structure, the utility model provides a kind of prevent chain deviation mechanism for elevator, preferably, the longitudinal adjusting structure includes the sliding groove plate fixedly arranged on the end of the sliding frame close to each other, the end of the sliding groove plate close to each other is provided with guide sliding groove, the inside of the guide sliding groove is rotatably provided with screw rod, the outside of the screw rod is engaged with guide sliding block, and the end of the guide sliding block is slidably arranged in the corresponding guide sliding groove.

[0011] In order to achieve the effect of motor driving and self-locking screw rod, the utility model provides a kind of prevent chain deviation mechanism for elevator, preferably, the top of the screw rod is extended through the corresponding guide sliding groove, the top of the screw rod is inserted with motor, and the bottom end of the motor is fixedly arranged in the corresponding sliding groove plate.

[0012] In order to achieve the effect of correcting chain from both ends respectively, the utility model provides a kind of prevent chain deviation mechanism for elevator, preferably, the correction structure includes a plurality of roller frames, the roller frame is fixedly installed at the two ends of the corresponding guide sliding block, the two ends of the guide sliding block can be fixedly installed with only one roller frame, and a plurality of rollers are equidistantly arranged in the inside of the roller frame.

[0013] In order to achieve the effect of traction work, the utility model provides a kind of prevent chain deviation mechanism for elevator, preferably, the lifting structure comprises two sprockets rotatably arranged on the front face of the mounting table plate, the two sprockets are located at the two ends of the front face of the mounting table plate, and the same chain is engaged with the two sprockets.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The vertical adjusting structure and the longitudinal adjusting structure are arranged, the vertical position of the correction structure is adjusted by the sliding frame sliding on the guide sliding plate, the longitudinal structure of the correction structure is adjusted by the guide sliding block being displaced along the guide sliding groove by the screw rod, the chain is pushed or pulled back from different positions, the existing equipment is improved, the chain is clamped and adjusted by two limiting plates, the chain is inclined to one side, the distance between the two limiting plates is narrow, the travel of the chain is insufficient, only one limiting plate can limit, and the other limiting plate can scratch the chain.

[0016] The vertical adjusting structure and the longitudinal adjusting structure are arranged, the vertical position of the correction structure is adjusted by the sliding frame sliding on the guide sliding plate, the longitudinal structure of the correction structure is adjusted by the guide sliding block being displaced along the guide sliding groove by the screw rod, the chain is pushed or pulled back from different positions, the existing equipment is improved, the chain is clamped and adjusted by two limiting plates, the chain is inclined to one side, the distance between the two limiting plates is narrow, the travel of the chain is insufficient, only one limiting plate can limit, and the other limiting plate can scratch the chain. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A preferred embodiment structure schematic view of a chain deviation preventing mechanism for a lifting machine is provided.

[0018] Figure 2 A lifting structure structure schematic view is shown. Figure 1 A vertical adjusting structure structure schematic view is shown.

[0019] Figure 3 A longitudinal adjusting structure structure schematic view is shown. Figure 1 A vertical adjusting structure structure schematic view is shown.

[0020] Figure 4 A longitudinal adjusting structure structure schematic view is shown. Figure 1 A longitudinal adjusting structure structure schematic view is shown.

[0021] Figure 5 A longitudinal adjusting structure one side structure schematic view is shown. Figure 4 A longitudinal adjusting structure one side structure schematic view is shown.

[0022] In the drawing: 1, mounting plate; 2, lifting structure; 201, chain wheel; 202, chain; 3, vertical adjusting structure; 301, fixed plate; 302, fixed bolt; 303, guide sliding plate; 304, sliding frame; 305, position locking bolt; 306, anti-derailing block; 4, longitudinal adjusting structure; 401, sliding groove plate; 402, guide sliding groove; 403, screw rod; 404, guide sliding block; 405, motor; 5, correction structure; 501, roller frame; 502, roller. DETAILED DESCRIPTION

[0023] The utility model is further described below in combination with the drawings and embodiments.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , provide a kind of for preventing chain deviation mechanism of elevator, including installation platform 1, the middle part of the front of installation platform 1 is provided with lifting structure 2, the front of installation platform 1 is provided with vertical adjustment structure 3, vertical adjustment structure 3 is provided with longitudinal adjustment structure 4 between, longitudinal adjustment structure 4 is provided with correction structure 5 between;

[0025] In the specific implementation process, referring to Figure 2 And Figure 3 Shown, vertical adjustment structure 3 includes two fixed plates 301, two fixed plates 301 are symmetrically arranged on the front of installation platform 1, the front of two fixed plates 301 is equally spaced and provided with a plurality of fixed bolts 302, the rear end of a plurality of fixed bolts 302 is fixedly installed in installation platform 1, the front of two fixed plates 301 is fixedly provided with guide sliding plate 303, the front of two guide sliding plates 303 is slidably provided with a plurality of sliding frames 304, the end of a plurality of sliding frames 304 away from each other is provided with position locking bolt 305, the end of a plurality of position locking bolts 305 close to each other is extended to corresponding guide sliding plate 303, the front of two guide sliding plates 303 is fixedly provided with anti-derailing block 306.

[0026] It should be noted that: two fixed plates 301 can support two groups of correction structure 5, ensure the chain 202 correction behavior on both sides, using a plurality of fixed bolts 302 to implement fixed behavior, facilitate subsequent replacement behavior, avoid the problem that correction structure 5 cannot contact chain 202 comprehensively, a plurality of sliding frames 304 are oriented and slid outside corresponding guide sliding plate 303, reach the specified position, locked by rotating position locking bolt 305, to ensure that correction structure 5 implements correction behavior at any position, and anti-derailing block 306 can avoid a plurality of sliding frames 304 from separating from corresponding guide sliding plate 303.

[0027] In the specific implementation process, referring to Figure 4 And Figure 5As shown, the longitudinal adjusting structure 4 includes a plurality of sliding groove plates 401 fixedly arranged at one end of the plurality of sliding frames 304, the one end of the plurality of sliding groove plates 401 is provided with a guide sliding groove 402, the inside of the plurality of guide sliding grooves 402 is rotatably provided with a lead screw 403, the outside of the plurality of lead screws 403 is engaged with a guide sliding block 404, one end of the plurality of guide sliding blocks 404 is slidably arranged in the corresponding guide sliding groove 402, the top of the plurality of lead screws 403 extends through the corresponding guide sliding groove 402, and the top of the plurality of lead screws 403 is inserted with a motor 405, and the bottom end of the plurality of motors 405 is fixedly arranged on the corresponding sliding groove plate 401.

[0028] It should be noted that the motor 405 controls the corresponding lead screw 403 to rotate clockwise or counterclockwise, and the corresponding guide sliding block 404 is brought to reciprocate in the guide sliding groove 402, so as to control the correction structure 5 to push away or pull back the chain 202.

[0029] In the specific implementation process, referring to Figure 4 and Figure 5 As shown, the correction structure 5 includes a plurality of roller frames 501, the plurality of roller frames 501 are respectively fixedly installed at two ends of the corresponding guide sliding block 404, the two ends of the plurality of guide sliding blocks 404 can be fixedly installed with only one roller frame 501 at the same time, and the inside of the plurality of roller frames 501 is equally provided with a plurality of rollers 502.

[0030] It should be noted that the plurality of roller frames 501 are respectively fixedly installed at two ends of the corresponding guide sliding block 404, so as to reduce the required gap and achieve the purpose of pulling and pushing the chain 202 in a wide range, the inside of the plurality of roller frames 501 is equally provided with a plurality of rollers 502, and the rolling behavior of the rollers 502 is used to reduce the friction force generated by the passing chain 202, and reduce the generation of noise.

[0031] In the specific implementation process, referring to Figure 1 and Figure 2 As shown, the lifting structure 2 includes two chain wheels 201 rotatably arranged at the middle of the front surface of the mounting table plate 1, the two chain wheels 201 are respectively located at two ends of the front surface of the mounting table plate 1, and the same chain 202 is engaged with the circumferential side of the two chain wheels 201.

[0032] It should be noted that the power controls the rotation of the two chain wheels 201, and then the two chain wheels 201 control the synchronous transmission behavior of the chain 202.

[0033] The working principle of the anti-deviation mechanism for the chain of the lifting machine is as follows:

[0034] In use, two fixed plates 301 are installed on the front sides of the installation platform 1 through a plurality of fixing bolts 302, so that the roller frame 501 is aligned with the chain 202, and the two sprockets 201 carry the chain 202 to move out of the inclination; a plurality of sliding frames 304 are oriented to slide outside the corresponding guide sliding plates 303 to reach the specified position, and the locking screw 305 is rotated to lock; the motor 405 controls the corresponding screw rod 403 to rotate clockwise or counterclockwise, and the corresponding guide sliding block 404 is arbitrarily reciprocated in the guide sliding groove 402, so as to control the roller frame 501 to push away or pull back the chain 202, and the rolling of the roller 502 reduces the friction force generated by the passing chain 202, and reduces the generation of noise.

[0035] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A chain deviation prevention mechanism for a hoist, characterized in that, The application relates to a vertical and longitudinal adjustment structure of a lifting type correction device. The vertical adjustment structure (3) comprises two fixed plates (301) which are symmetrically arranged on the front sides of the mounting table plate (1), a plurality of fixed bolts (302) are equidistantly arranged on the front sides of the two fixed plates (301), the rear ends of the fixed bolts (302) are fixedly arranged on the mounting table plate (1), guide sliding plates (303) are fixedly arranged on the front sides of the two fixed plates (301), a plurality of sliding frames (304) are slidingly arranged on the front sides of the two guide sliding plates (303), position locking bolts (305) are arranged at the ends of the sliding frames (304) away from each other, and the ends of the position locking bolts (305) close to each other are extended to the corresponding guide sliding plates (303).

2. A chain misalignment prevention mechanism for an elevator according to claim 1, wherein The front sides of the two guide sliding plates (303) are fixedly provided with anti-derailing blocks (306) at the two ends.

3. A chain derailing prevention mechanism for an elevator according to claim 1, wherein The longitudinal adjustment structure (4) comprises sliding groove plates (401) fixedly arranged at the ends of the sliding frames (304) close to each other, the ends of the sliding groove plates (401) close to each other are provided with guide sliding grooves (402), the sliding grooves (402) are rotatably provided with lead screws (403) inside, the lead screws (403) are rotatably provided with guide sliding blocks (404) outside, and the guide sliding blocks (404) are slidingly arranged at the ends of the guide sliding grooves (402).

4. A chain derailing prevention mechanism for an elevator according to claim 3, wherein The top portions of the lead screws (403) are extended through the guide sliding grooves (402), the top portions of the lead screws (403) are provided with motors (405), and the bottom ends of the motors (405) are fixedly arranged on the sliding groove plates (401).

5. The chain derailing prevention mechanism for an elevator according to claim 1, wherein The correction structure (5) comprises a plurality of roller frames (501), the roller frames (501) are fixedly arranged at the two ends of the guide sliding blocks (404), the two ends of the guide sliding blocks (404) are fixedly arranged with only one roller frame (501), and the roller frames (501) are equidistantly provided with a plurality of rollers (502) inside.

6. A chain derailing prevention mechanism for an elevator according to claim 1, wherein The lifting structure (2) comprises two sprockets (201) rotatably arranged on the front side of the mounting table plate (1), the two sprockets (201) are arranged at the two ends of the mounting table plate (1), and the same chain (202) is sleeved on the circumferential sides of the two sprockets (201).

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