Special pulley device for chemical enterprises

By installing a pulley system with mounting and fixing parts on the parapet wall of a chemical plant, the problems of inconvenience in carrying maintenance tools on the top of the chemical plant and safety hazards have been solved, achieving safe and efficient transportation and reducing construction risks.

CN223907833UActive Publication Date: 2026-02-13HENAN XINLIANXIN FERTILIZER
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Patent Information

Application Number
CN202520097176.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-02-13
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

In concrete buildings of chemical plants, it is inconvenient and poses safety hazards for maintenance personnel to carry tools when performing maintenance on the top, and the prohibition of hot work increases construction risks. Existing equipment cannot effectively solve these problems.

Method used

Design a pulley device for chemical enterprises, including a mounting part adapted to the outside of the parapet wall and a fixing part on the inside, which is fixed to the parapet wall by a detachable connection, and the pulley components are set to achieve safe transportation.

Benefits of technology

It enables the safe and efficient transportation of maintenance tools for the top of chemical plants, avoids the safety hazards of hot work and workers sticking their bodies out, and reduces labor intensity and risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to a special pulley device for chemical enterprises. Comprising a clamping part matched with the outer side of the parapet wall of the top floor of the chemical plant and a fixing part matched with the inner side of the parapet wall, the clamping part and the fixing part are detachably connected, and at least the clamping part is provided with a pulley piece. The device has the advantages of being simple in structure, convenient to carry and install and capable of effectively reducing the risk of transporting equipment to the roof and reducing labor intensity.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of maintenance equipment, specifically is a special pulley device for chemical enterprise. BACKGROUND

[0002] In the concrete building of chemical enterprise, the top is generally closed structure, and the maintenance personnel needs to go up and down through the safe ladder or erects single ladder when maintaining the top; it is extremely inconvenient to carry the maintenance tools and equipment when going up and down the above simple ladder or single ladder, and even there is a security risk; further, the top of the building is generally provided with a parapet, and the upper end of the parapet is provided with lightning protection flat iron, which affects the suspension of the equipment; further, as a chemical enterprise, generally prohibits fire operation, so that the temporary support made on site needs to be operated, which further increases the risk coefficient of on-site management and control and construction period. SUMMARY

[0003] In order to make up for the above shortcomings, the utility model provides a special pulley device for chemical enterprise to solve the technical problems existing in the prior art.

[0004] The technical scheme adopted by the utility model to solve its technical problems is:

[0005] A special pulley device for chemical enterprise, the pulley device comprises a clamping part matched with the outer side of the parapet on the top floor of the chemical plant and a fixing part matched with the inner side of the parapet, and the clamping part and the fixing part are connected in a detachable manner; at least the clamping part is provided with a pulley part.

[0006] The utility model has the advantages that: the utility model uses the parapet on the top floor of the existing chemical plant as the basis, sets the clamping part and the fixing part matched with the parapet, fixes the fixing part with the parapet, connects the clamping part with the fixing part when the clamping part is clamped with the parapet, thereby realizing the firm fixing of the pulley device and the parapet; on the basis, the safe and efficient transportation of the maintenance tools and equipment is realized by setting the pulley part.

[0007] Preferably, the fixing part comprises a first connecting piece, the two ends of the first connecting piece are respectively fixedly connected with first supporting pieces, the front end of the first supporting piece is provided with an inner insertion strip; the bottom of the first connecting piece is provided with a fixing sheet matched with the inner edge of the top of the parapet.

[0008] Preferably, the top of the first supporting piece is provided with a pulley part.

[0009] Preferably, the fixing sheet is L-shaped, the upper part of the fixing sheet is fixedly connected with the first connecting piece, and the end face of the lower part of the fixing sheet is provided with a bolt hole for clamping a fixing bolt.

[0010] Preferably, the clamping part comprises a second connecting piece, two ends of the second connecting piece are fixedly connected with the second support respectively, the front end of the second support is provided with a sleeve, the side corresponding to the inner plug strip of the sleeve is provided with an opening, the inner contour of the cavity of the sleeve is matched with the outer contour of the inner plug strip; the top of the second support is provided with a pulley piece; the bottom of the second connecting piece is provided with a clamping sheet which is matched with the outer edge of the top of the parapet.

[0011] Preferably, the sleeve is provided with locking holes for locking bolts.

[0012] Preferably, the sleeve is provided with two locking holes.

[0013] Preferably, the pulley piece comprises pulley supports arranged on two supports respectively, the pulley supports are inclined to the outside of the clamping part or the fixed part, the top of the two pulley supports is provided with a bearing, and the bearing is internally provided with a shaft.

[0014] Preferably, the height of the pulley support of the pulley piece at the top of the second support is greater than the height of the pulley support of the pulley piece at the top of the first support.

[0015] The chemical enterprise special pulley device prepared according to the above technical scheme is mainly arranged for the safety technical problem of maintenance construction operation on the top of the chemical field building, which not only can realize the characteristics of safe and efficient transportation of maintenance tools and equipment, but also has a split structure, can achieve the characteristics of convenient carrying and convenient installation; specifically, the fixed part can be fixed with the parapet, the clamping part is connected and fixed with the fixed part, and the clamping part and the fixed part can clamp the parapet, so that the firm fixation between the utility model and the parapet is realized; the pulley piece is arranged on the basis of the above fixation to achieve the characteristics of convenient and fast transportation of related maintenance equipment; preferably, the fixed part and the parapet are fixedly connected through the fixing bolt, the fixed part and the clamping part are fixedly connected through the form of insertion, and the two are fixedly connected through the locking bolt, so that the characteristics of firm and reliable structure are realized. Further, by arranging the pulley piece, the related maintenance equipment can be quickly transported to the roof, so as to avoid the safety hazard caused by the on-site personnel observing the situation by sticking out the body; in addition, the safety hazard caused by making a support in the chemical field fire operation can be effectively avoided, and the characteristics of simple structure, convenient carrying and installation, effectively reducing the risk of transporting equipment to the roof and reducing labor intensity are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Fig. 1 The structure diagram of the fixed part of the present application.

[0018] Fig. 2 The structure diagram of the fixed part of the present application.

[0019] Fig. 3 The structure diagram of the fixed part of the present application.

[0020] In the figure: 1, first connecting piece; 2, first supporting piece; 3, inner bar; 4, fixed sheet; 5, fixed bolt; 6, second connecting piece 6; 7, second supporting piece; 8, sleeve; 9, clamping sheet; 10, locking bolt; 11, pulley support; 12, bearing; 13, shaft. Specific implementation

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] The following will be described in combination with the drawings Figs. 1-3Further detailed description of the present application, the utility model discloses a special pulley device for chemical enterprise, the pulley device includes with the female wall outside of chemical plant top floor female wall adaptation and install, and with the female wall inside adaptation of preceding described female wall, install and fixed between the department department is detachable connection mode, at least the install of described department is equipped with pulley spare.The utility model is mainly used for the roof of chemical enterprise transports related maintenance equipment and designs, its itself is split type structure to realize the characteristics of convenient carrying and assembly, the detachable connection form of above-mentioned can be bolt, pin column etc conventional dismounting connection mode;Fixed department and female wall inside fixed connection, the fixed department is connected to the female wall and installs to the female wall to realize the structure of the utility model has firm and reliable characteristics, the pulley spare of the utility model can be realized to the hoisting of related maintenance equipment;Further, the install department and fixed department of the utility model are preferably metal material, when it is attached to install with female wall, can make the utility model with lightning protection flat iron on female wall and attach to, to reach the effect of lightning protection;The utility model has the characteristics of split type convenient carrying and installation, can realize reducing the difficulty of transportation maintenance equipment, reduces the operation risk and labor intensity of maintenance personnel's advantage.

[0023] Further, the fixed department includes first connecting piece 1, and the both ends of first connecting piece 1 are fixedly connected with first support piece 2 respectively, and the front end of first support piece 2 is provided with inner plug strip 3;The bottom of first connecting piece 1 is provided with fixed sheet 4 attached to female wall inner side.The fixed sheet 4 in the utility model is used to realize the fixation between the female wall and the fixed sheet 4 while attaching to the female wall, so as to improve the firmness between the utility model and the female wall.

[0024] Further, the top of first support piece 2 is provided with pulley spare.The utility model can also be provided with pulley spare on the fixed department, and the pulley assembly cooperates with the pulley spare on the install department to improve the stability of pulley operation.

[0025] Further, the fixed sheet 4 is L-shaped, and the upper part of the fixed sheet 4 is fixedly connected with first connecting piece 1, and the end face of the lower part of the fixed sheet 4 is provided with bolt hole for passing and installing fixed bolt 5.The fixed sheet 4 is preferably L-shaped, and the upper part of the fixed sheet 4 is fixedly connected with first connecting piece 1, and the lower part of the fixed sheet 4 is connected with female wall through fixed bolt 5, and the middle part of the fixed sheet 4 is attached to female wall inner side, so as to improve the stability.

[0026] Further, the clamping part comprises a second connecting piece 6, two ends of the second connecting piece 6 are fixedly connected with a second supporting piece 7 respectively, a front end of the second supporting piece 7 is provided with a sleeve 8, one side of the sleeve 8 corresponding to the inner inserting strip 3 is provided with an opening, and the cavity of the sleeve 8 is matched with the outer contour of the inner inserting strip 3; the top of the second supporting piece 7 is provided with a pulley piece; and the bottom of the second connecting piece 7 is provided with a clamping piece 9 which is matched with the top outer edge of the parapet wall. The clamping part and the fixing part are connected in the form of inserting and connecting, and the inner inserting strip 3 can be inserted into the sleeve 8 to realize the connection between the clamping part and the fixing part; after the connection, the clamping piece 9 can be matched with the fixing piece 4 to realize the clamping of the top of the parapet wall.

[0027] Further, the sleeve 8 can be provided with locking holes for locking locking bolts 10. The locking bolts 10 can be arranged to realize the firm fixing between the clamping part and the fixing part.

[0028] Further, the sleeve 8 is provided with two locking holes.

[0029] Further, the pulley piece comprises pulley supports 11 which are arranged on two supporting pieces respectively, the pulley supports 11 are inclined to the outside of the clamping part or the fixing part, the top of the two pulley supports 11 is provided with bearings 12, and the bearings 12 are internally provided with shafts 13. The bearings 12 and the shafts 13 constitute pulleys, or the shafts 13 can be externally provided with sliding wheels with grooves.

[0030] Further, the height of the pulley support 11 of the pulley piece on the top of the second supporting piece 7 is greater than the height of the pulley support 11 of the pulley piece on the top of the first supporting piece 2.

[0031] The utility model is applied to roof maintenance of chemical enterprise, and the type enterprise generally does not allow using open fire operation to avoid safety hidden danger, and the roof has particularity to realize related maintenance equipment conveying, needs making temporary support without universality in construction area, thereby extremely easily having safety hidden danger, and needs construction personnel to observe by protruding part of body from the roof when conveying related equipment, thereby having higher safety risk, in order to overcome above-mentioned problem, the utility model discloses a kind of special pulley device with strong universality by preceding technical solution, the device is designed to parapet of roof, and it is firm and safe and reliable in cooperation with parapet, thereby avoid the problem of open fire operation in chemical enterprise site, and by above-mentioned structure, construction personnel can be avoided to protrude body, thereby improve the safety of construction process.The specific working process of the utility model is as follows: first installation in fixed part, then assembly clamping part, finally hoisting and transporting related equipment by pulley 12;Specifically, the fixed part is attached to the inside of the parapet, a hole is drilled in the fixed sheet at a position corresponding to the parapet, a fixed bolt 5 is passed through the hole and tightened, and the fixed part is firmly fixed to the parapet;Further, the inner plug 3 of the fixed part is inserted into the sleeve 8, and when the clamping sheet 9 is fully attached to the corresponding surface of the parapet, the locking bolt 10 is locked to the inner plug 3;Finally, the pulley composed of bearing 12 and shaft 13 is used to transport the related maintenance equipment, and since the pulley bracket 11 is inclined outward, the wall does not hinder the lifting or lowering of the related maintenance equipment;In actual use, the utility model uses manual or electric power as driving force to drive the lifting or lowering of the related maintenance equipment.

[0032] The basic principles, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, various changes and improvements can be made to the utility model, and these changes and improvements fall within the scope of the claimed utility model.

Claims

1. A pulley device for use in a chemical plant, characterized by: The pulley device comprises a clamping part matched with the outside of the parapet of the roof of the chemical plant, and a fixing part matched with the inside of the parapet, the clamping part and the fixing part are detachably connected, and the clamping part is provided with a pulley part.

2. The pulley device for chemical industry as claimed in claim 1, wherein: The fixing part comprises a first connecting piece (1), two ends of the first connecting piece (1) are fixedly connected with first supporting pieces (2), and the front end of each first supporting piece (2) is provided with an inner insertion strip (3). The bottom of the first connecting piece (1) is provided with a fixing sheet (4) matched with the inner side of the parapet.

3. The pulley device for chemical industry as claimed in claim 2, wherein: The top of the first supporting piece (2) is provided with a pulley part.

4. The pulley device for chemical industry as claimed in claim 2, wherein: The fixing sheet (4) is L-shaped, the upper part of the fixing sheet (4) is fixedly connected with the first connecting piece (1), and the end face of the lower part of the fixing sheet (4) is provided with a bolt hole for passing and fixing a bolt (5).

5. The pulley device for chemical industry as claimed in claim 3, wherein: The clamping part comprises a second connecting piece (6), two ends of the second connecting piece (6) are fixedly connected with second supporting pieces (7), the front end of each second supporting piece (7) is provided with a sleeve (8), the side corresponding to the inner insertion strip (3) of the sleeve (8) is provided with an opening, and the inner contour of the cavity of the sleeve (8) is matched with the outer contour of the inner insertion strip (3); the top of each second supporting piece (7) is provided with a pulley part. The bottom of the second connecting piece (6) is provided with a clamping sheet (9) matched with the outer side of the top of the parapet.

6. The pulley device for chemical industry as claimed in claim 5, wherein: The sleeve (8) is provided with a locking hole for passing and fixing a locking bolt (10).

7. The pulley device for chemical industry as claimed in claim 5, wherein: The sleeve (8) is provided with two locking holes.

8. The pulley device for chemical industry as claimed in claim 5, wherein: The pulley part comprises pulley supports (11) provided on the connecting parts of the two supporting pieces, the pulley supports (11) are inclined to the outside of the clamping part or the fixing part, the top of each pulley support (11) is provided with a bearing (12), and the inside of the bearing (12) is provided with a shaft (13).

9. The pulley device for chemical industry as claimed in claim 8, wherein: The height of the pulley support (11) in the pulley part on the top of the second supporting piece (7) is greater than the height of the pulley support (11) in the pulley part on the top of the first supporting piece (2).