Manual release device

By designing a manual release device including a fixed connection, a alignment part and a release part, the problem of inconvenient operation of the existing motor brake release device is solved, and the effect of conveniently releasing braking after a fault is achieved, reducing operation difficulty and maintaining the motor's normal heat dissipation effect.

CN222880187UActive Publication Date: 2025-05-16TIANJIN TIANQI HEAVY MACHINERY CO LTD
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Patent Information

Application Number
CN202422030816.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-05-16
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

The existing motor brake release device is inconvenient to operate, and it is impossible to control the force of the gate loosening and it is laborious.

Method used

A manual release device is designed, including a fixing part, a alignment part and a release part. The fixed joint provides stable support through the butt of the outer casing frame and the top tightening plate; the alignment part ensures the stability of the propulsion shaft through the cooperation of the plug-in cylinder and the restraining side plate; the release part realizes the braking pressure of the motor shaft through the cooperation of the pushing shaft and the top rod.

Benefits of technology

This device enables the motor to easily release braking after a failure, reduces the difficulty of operation, avoids damage to the equipment due to heavy objects for a long time, and maintains the normal heat dissipation effect of the motor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a manual release device, relates to the technical field of manual release devices, and aims to solve the problems that when an existing motor brake release device is used, a slender rod is mainly manually used, the brake state of a motor is released in a mode of jacking a motor shaft, but the slender rod and the motor shaft need to be manually butted, so that the operation is inconvenient, and the use is inconvenient. The brake release device comprises a fixed connection part, a movable connection part and a brake release part, an alignment part is arranged outside the fixed connection part; and a release part is arranged outside the alignment part. The outer wall of the inserting cylinder is fixedly connected to a restraining side plate, the inserting cylinder is conveniently restrained under the action of a restraining side frame, a propelling shaft is prevented from rotating in the adjusting process, the propelling shaft and the inserting cylinder are connected through threads, the pushing shaft is conveniently rotated, meanwhile, an ejector rod is driven through the threads to conduct propelling, and the practicability is high. And braking is relieved in a manner of jacking the motor shaft, so that the motor is convenient to use.
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Description

Technical Field

[0001] The utility model belongs to the technical field of manual release devices, and more specifically, particularly relates to a manual release device. Background Art

[0002] In actual use, the motor is usually easily fixed due to external factors such as excessive load, thus affecting the motor equipment. After an unexpected failure of the motor, the motor is in a braking state, which makes it impossible for the heavy objects hoisted by the motor-connected equipment to descend, causing the hoisted heavy objects to be suspended in the air for a long time, causing the heavy objects to cause excessive damage to the equipment under the action of their own gravity. In order to release the braking state of the motor when it fails and achieve the purpose of smoothly lowering the heavy objects, a manual release device is required.

[0003] Based on the findings in the prior art, the existing motor brake release device mainly uses a thin rod to manually release the braking state of the motor by pressing the motor shaft. However, since the thin rod and the motor shaft need to be manually connected, the operation is inconvenient, the release force cannot be controlled, and it is laborious. Utility Model Content

[0004] In order to solve the above technical problems, the embodiments of the present invention relate to a manual release device to solve the problem that the existing motor brake release device, when in use, mainly uses a thin rod manually to release the braking state of the motor by pressing the motor shaft. However, since the thin rod and the motor shaft need to be manually connected, it is inconvenient to operate, and the force of releasing the brake cannot be controlled and it is laborious.

[0005] In a first aspect of the present disclosure, a manual release device is provided, which is achieved by the following specific technical means:

[0006] A manual release device comprises: a fixing part; the fixing part comprises an outer clamping frame, a tightening plate and a constraint side frame; the tightening plate is arranged as a square plate-shaped structure, a circular through hole is arranged in the middle position of the tightening plate, a rectangular through hole is arranged on the tightening plate, and the tightening plate is sleeved on four groups of outer clamping frames through the rectangular through hole; an alignment part is arranged on the outside of the fixing part, and the alignment part comprises an insertion tube and a constraint side plate; the insertion tube is arranged as a cylindrical structure, a circular ring-shaped protrusion is arranged at the bottom of the insertion tube, and a threaded through hole is arranged inside the insertion tube; the insertion tube is inserted on the tightening plate, the insertion tube is inserted in the constraint side frame, and the constraint side plate is inserted in the constraint side frame; a releasing part is arranged on the outside of the alignment part, and the releasing part comprises a propulsion shaft; the propulsion shaft is threadedly connected to the inside of the plug-in tube; the propulsion shaft is arranged as a cylindrical structure, a rectangular protrusion is arranged on the bottom surface of the propulsion shaft, a circular plug hole is arranged on the rectangular protrusion of the propulsion shaft, and a thread is arranged on the outer wall of the propulsion shaft.

[0007] At least in some embodiments, the fixing part also includes a fan cover; the fan cover is a motor cover structure, an axial hole is provided on the fan cover, and a heat dissipation hole is provided on the fan cover; the external card frame is configured as a square plate structure, a rectangular top plate is provided on the outer wall of the external card frame, an arc groove is provided on the external card frame, and four groups of external card frames are respectively fixed to the outer wall of the fan cover.

[0008] At least in some embodiments, the restraining side frame is configured as an arc-shaped structure, and a rectangular protrusion is provided on the outer wall of the restraining side frame. There are two groups of restraining side frames, and the two groups of restraining side frames are respectively fixed to the circular through hole positions of the top tightening plate.

[0009] At least in some embodiments, the restraining side plates are configured as trapezoidal plates, and two groups of restraining side plates are provided, and the two groups of restraining side plates are respectively fixed to the outer wall of the plug-in tube.

[0010] At least in some embodiments, the release portion further includes a mounting groove; the mounting groove is configured as a cylindrical groove, and the mounting groove is opened on the inner wall of the propulsion shaft.

[0011] At least in some embodiments, the release part also includes a push rod and a handle; the push rod is configured as a cylindrical structure, a bearing is provided on the outer wall of the push rod, and the push rod is fixed inside the mounting groove by the bearing; the handle is configured as a cylindrical rod-shaped structure, and the handle is inserted into the circular socket of the propulsion shaft.

[0012] The manual release device proposed by the utility model has the following beneficial effects:

[0013] 1. An external card frame and a top tightening plate are provided. By welding the external card frame to the outer wall of the fan cover, it is convenient to dock with the top tightening plate, so that the device can be assembled by splicing after the motor fails. The top tightening plate is set in a splicing state, so that the normal heat dissipation effect of the fan cover is not affected when the motor is in normal use, which is convenient for maintaining the normal use of the motor;

[0014] 2. A plug-in cylinder and a propulsion shaft are provided. By fixing the outer wall of the plug-in cylinder to the constraint side plate, the plug-in cylinder can be constrained under the action of the constraint side frame to prevent the propulsion shaft from rotating during the adjustment process. The propulsion shaft and the plug-in cylinder are connected by threads, which makes it convenient to drive the push rod to propel the shaft through the threads while rotating the push shaft, so as to release the brake by pressing the motor shaft, thereby facilitating its use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the three-dimensional assembly structure of the utility model when viewed from above.

[0017] Figure 3 It is a schematic diagram of the exploded structure of the utility model.

[0018] Figure 4 It is a schematic diagram of the exploded structure of the utility model when viewed from above.

[0019] Figure 5 It is a partial cutaway structural schematic diagram of the utility model.

[0020] Figure 6 The utility model is Figure 5 Schematic diagram of the enlarged structure of part A.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Fixing part; 101. Fan cover; 102. External bracket; 103. Tightening plate; 104. Constraint side frame; 2. Alignment part; 201. Plug-in cylinder; 202. Constraint side plate; 3. Release part; 301. Propulsion shaft; 302. Mounting groove; 303. Push rod; 304. Handle. DETAILED DESCRIPTION

[0023] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0024] Embodiment 1: As shown in the attached Figure 1 To Attachment Figure 6As shown: the utility model provides a manual release device, including: a fixing part 1; the fixing part 1 includes an outer card frame 102, a tightening plate 103 and a restraining side frame 104; the tightening plate 103 is set to a square plate structure, a circular through hole is provided in the middle position of the tightening plate 103, a rectangular through hole is provided on the tightening plate 103, and the tightening plate 103 is sleeved on four groups of outer card frames 102 through the rectangular through holes; the tightening plate 103 is used to support the plug-in cylinder 201 and the propulsion shaft 301 under the action of the outer card frame 102, so as to facilitate the support of the device as a whole; the outside of the fixing part 1 is provided with a positioning part 2, and the positioning part 2 includes a plug-in cylinder 201 and a restraining side plate 202; the plug-in cylinder 201 is set to a cylindrical structure, the bottom of the plug-in cylinder 201 is provided with a circular ring-shaped protrusion, and the inside of the plug-in cylinder 201 is provided with a threaded through hole; the plug-in cylinder 20 1 is used to cooperate with the propulsion shaft 301 for pushing, so as to assist the push rod 303 to adjust the position, so as to facilitate the release of the braking state of the motor; the plug-in cylinder 201 is inserted on the tightening plate 103, the plug-in cylinder 201 is inserted in the constraint side frame 104, and the constraint side plate 202 is inserted in the constraint side frame 104; a release part 3 is provided on the outside of the alignment part 2, and the release part 3 includes a propulsion shaft 301; the propulsion shaft 301 is threadedly connected to the inside of the plug-in cylinder 201; the propulsion shaft 301 is set as a cylindrical structure, a rectangular protrusion is provided on the bottom surface of the propulsion shaft 301, a circular plug hole is provided on the rectangular protrusion of the propulsion shaft 301, and a thread is provided on the outer wall of the propulsion shaft 301; the propulsion shaft 301 is used to rotate under the drive of the handle 304, and to be pushed under the action of the thread, so as to drive the push rod 303 to tighten the motor shaft, so as to facilitate the release of the braking state of the motor.

[0025] Embodiment 2: Based on Embodiment 1, Figure 3 As shown, the fixing part 1 also includes a fan cover 101; the fan cover 101 is a motor cover structure, and an axial hole is provided on the fan cover 101, and a heat dissipation hole is provided on the fan cover 101; the fan cover 101 is used to cooperate with the top tightening plate 103 to make the device and the motor dock, so as to facilitate the top rod 303 and the motor shaft to maintain a coaxial state; the outer card frame 102 is set as a square plate structure, and a rectangular top plate is provided on the outer wall of the outer card frame 102, and an arc groove is provided on the outer card frame 102. The four groups of outer card frames 102 are respectively fixed to the fan On the outer wall of the cover 101; the outer clamping frame 102 is used to support the top clamping plate 103 to facilitate the docking of the device with the motor; the constraint side frame 104 is set to an arc-shaped structure, and a rectangular protrusion is provided on the outer wall of the constraint side frame 104. There are two groups of constraint side frames 104, and the two groups of constraint side frames 104 are respectively fixed to the circular through hole positions of the top clamping plate 103; the constraint side frame 104 is used to assist in restraining the plug-in tube 201 to prevent it from being affected by the propulsion shaft 301 and rotating.

[0026] In the embodiments of the present disclosure, Figure 3 and Figure 6As shown, the restraining side plates 202 are configured as trapezoidal plates, and there are two groups of restraining side plates 202, which are respectively fixed to the outer walls of the plug-in tube 201; the restraining side plates 202 are used to cooperate with the restraining side frames 104 to restrain the plug-in tube 201 to maintain the stability of the plug-in tube 201.

[0027] In the embodiments of the present disclosure, Figure 5 and Figure 6 As shown, the release part 3 also includes a mounting groove 302; the mounting groove 302 is set as a cylindrical groove, and the mounting groove 302 is opened on the inner wall of the propulsion shaft 301; the mounting groove 302 is used to assist in the installation of the push rod 303, so as to facilitate the adjustment of the push rod 303; the release part 3 also includes a push rod 303 and a handle 304; the push rod 303 is set as a cylindrical structure, and a bearing is provided on the outer wall of the push rod 303, and the push rod 303 is fixed inside the mounting groove 302 by the bearing; the push rod 303 is used to move under the push of the propulsion shaft 301, so as to facilitate the tightening of the motor shaft during the displacement process, so as to facilitate the release of the brake of the motor shaft; the handle 304 is set as a cylindrical rod-shaped structure, and the handle 304 is inserted into the circular socket of the propulsion shaft 301; the handle 304 is used to control the propulsion shaft 301, so as to facilitate its rotation adjustment.

[0028] The specific usage and function of this embodiment are as follows:

[0029] In the utility model, when in use, when the motor brakes due to a fault, the tightening plate 103 is inserted into the outer bracket 102, so that the plug-in tube 201 is inserted between the two sets of constraint side frames 104 after it is kept stable, so that the plug-in tube 201 is constrained by inserting the constraint side plate 202 into the constraint side frame 104, and then the propulsion shaft 301 is rotated by the handle 304, so that the propulsion shaft 301 is screwed into the interior of the plug-in tube 201 through the thread during the rotation, and the push rod 303 is controlled to contact with the motor shaft while being screwed into the interior of the plug-in tube 201, so that the motor shaft is tightened and the brake is released as the propulsion shaft 301 rotates, and when the push rod 303 is in contact with the motor shaft, the push rod 303 does not rotate synchronously with the propulsion shaft 301 under the action of the bearing, so as to avoid wear on the motor shaft.

[0030] In this article, there are a few points to note:

[0031] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0032] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0033] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A manual release device, comprising: A fixing part (1); characterized in that: the fixing part (1) includes an outer card frame (102), a top tightening plate (103) and a restraining side frame (104); the top tightening plate (103) is set as a square plate structure, a circular through hole is set in the middle position of the top tightening plate (103), a rectangular through hole is set on the top tightening plate (103), and the top tightening plate (103) is sleeved on the four groups of outer card frames (102) through the rectangular through holes; an alignment part (2) is set on the outside of the fixing part (1), and the alignment part (2) includes an insert tube (201) and a restraining side plate (202); the insert tube (201) is set as a cylindrical structure, and a circular ring-shaped protrusion is set at the bottom of the insert tube (201) , a threaded through hole is provided inside the plug-in tube (201); the plug-in tube (201) is inserted on the top tightening plate (103), the plug-in tube (201) is inserted in the constraint side frame (104), and the constraint side plate (202) is inserted in the constraint side frame (104); a release portion (3) is provided outside the alignment portion (2), and the release portion (3) includes a propulsion shaft (301); the propulsion shaft (301) is threadedly connected to the inside of the plug-in tube (201); the propulsion shaft (301) is set as a cylindrical structure, a rectangular protrusion is provided on the bottom surface of the propulsion shaft (301), a circular plug hole is provided on the rectangular protrusion of the propulsion shaft (301), and a thread is provided on the outer wall of the propulsion shaft (301).

2. A manual release device according to claim 1, characterized in that: The fixing portion (1) further comprises a fan cover (101); the fan cover (101) is a motor cover structure, an axial hole is provided on the fan cover (101), and a heat dissipation hole is provided on the fan cover (101); the external card frame (102) is configured as a square plate structure, a rectangular top plate is provided on the outer wall of the external card frame (102), an arc groove is provided on the external card frame (102), and four groups of external card frames (102) are respectively fixed to the outer wall of the fan cover (101).

3. A manual release device according to claim 1, characterized in that: The restraining side frame (104) is configured as an arc-shaped structure, and a rectangular protrusion is provided on the outer wall of the restraining side frame (104). There are two groups of restraining side frames (104) in total, and the two groups of restraining side frames (104) are respectively fixed to the circular through-hole positions of the top tightening plate (103).

4. A manual release device according to claim 1, characterized in that: The restraining side plates (202) are configured as trapezoidal plates. Two groups of restraining side plates (202) are provided in total. The two groups of restraining side plates (202) are respectively fixed to the outer wall of the plug-in tube (201).

5. A manual release device according to claim 1, characterized in that: The release portion (3) further comprises a mounting groove (302); the mounting groove (302) is configured as a cylindrical groove, and the mounting groove (302) is opened on the inner wall of the propulsion shaft (301).

6. A manual release device according to claim 5, characterized in that: The release portion (3) further comprises a push rod (303) and a handle (304); the push rod (303) is configured as a cylindrical structure, a bearing is provided on the outer wall of the push rod (303), and the push rod (303) is fixed inside the mounting groove (302) via the bearing; the handle (304) is configured as a cylindrical rod structure, and the handle (304) is inserted into the circular insertion hole of the propulsion shaft (301).