Anti-falling device suitable for motor disassembly
By designing a fall protection device and utilizing a combination of support frame and suspension chain, the safety hazard of the coupling and hydraulic puller falling during motor disassembly was solved, achieving safe and efficient disassembly operation.
Patent Information
- Application Number
- CN202422299148.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-09-20
AI Technical Summary
During the disassembly of the motor, the coupling and hydraulic puller are quite heavy, and manual handling poses risks of equipment damage and safety hazards.
A fall protection device was designed, including a first support frame, a second support frame, a connecting frame, a hook, and a suspension chain. By extending and adjusting the support frame and fixing the suspension chain, the coupling and hydraulic puller can be safely lifted to prevent direct fall.
This eliminates the need for manual lifting during motor disassembly, improving safety and avoiding the risk of equipment damage and personal injury.
Smart Images

Figure CN223583966U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of overhauling device, specifically, relates to a fall protection device suitable for motor dismounting. BACKGROUND
[0002] During the regular maintenance of the motor, the shaft coupling and the hydraulic puller in the motor need to be dismounted.
[0003] However, the shaft coupling and the hydraulic puller are heavy, and in general, the maintenance personnel need to carry them during dismounting. If the maintenance personnel are too tired, the shaft coupling and the hydraulic puller may directly fall to the ground during dismounting, which may cause damage to the equipment and even injure the workers, and there are many safety hazards.
[0004] Therefore, a device needs to be designed to replace the maintenance personnel to carry the shaft coupling and the hydraulic puller during motor dismounting, so as to avoid the shaft coupling and the hydraulic puller from directly falling to the ground. UTILITY MODEL CONTENTS
[0005] To overcome the problems in the prior art that the shaft coupling and the hydraulic puller may directly fall to the ground during motor dismounting, which may cause damage to the equipment and even injure the workers, and there are many safety hazards, the utility model provides a fall protection device suitable for motor dismounting, which comprises:
[0006] A first support frame is vertically arranged and has a telescopic length;
[0007] A second support frame comprises a horizontal rod and two vertical rods, the two ends of the horizontal rod are movably connected to the top of the two vertical rods, and the two vertical rods are movable along the length direction of the horizontal rod to adjust the distance between the two vertical rods;
[0008] A connecting frame is movably connected to the top of the first support frame at one end and to the top of the horizontal rod at the other end;
[0009] A hook and two suspension chains are provided, the two suspension chains are arranged at intervals, the upper ends of the two suspension chains are movably installed on the connecting frame, and the lower ends of the two suspension chains are respectively provided with a hook.
[0010] Preferably, the first support frame comprises:
[0011] A lower support section is a hollow rod, the lower support section comprises a vertical through insertion channel, and the lower support section is provided with a first through hole penetrating in and out;
[0012] An upper support section is inserted into the insertion channel, and the upper support section is provided with a plurality of first threaded holes arranged at intervals in the vertical direction.
[0013] a first threaded connecting rod is threaded through the first through hole and one of the first threaded holes from the outer surface of the lower supporting section.
[0014] Preferably, the first supporting frame further comprises a supporting base, which is detachably mounted at the bottom of the lower supporting section.
[0015] Preferably, the bottom of the lower supporting section is provided with a first external thread;
[0016] The middle part of the supporting base is provided with a first mounting hole, and a first internal thread is arranged in the first mounting hole to match the first external thread, so that the supporting base and the lower supporting section are threadedly connected.
[0017] Preferably, the top of the upper supporting section is further fixed with a first sleeve, the first sleeve is sleeved on the outer periphery of the corresponding end of the connecting frame, and the first sleeve is provided with a second through hole penetrating the inside and outside;
[0018] The outer periphery of the corresponding end of the connecting frame is provided with a plurality of second threaded holes distributed along the length direction of the connecting frame;
[0019] The first sleeve and the connecting frame are detachably connected by a second threaded connecting rod, and the second threaded connecting rod is threadedly connected from the outer surface of the first sleeve through the second through hole and one of the second threaded holes.
[0020] Preferably, the top of each of the two vertical rods is fixed with a second sleeve, and the two second sleeves are sleeved on the two ends of the horizontal rod one by one, and the two second sleeves are respectively provided with third through holes penetrating the inside and outside;
[0021] The two ends of the horizontal rod are respectively provided with a plurality of third threaded holes distributed along the length direction of the horizontal rod;
[0022] The two second sleeves and the horizontal rod are respectively detachably connected by a third threaded connecting rod, and the two third threaded connecting rods are respectively threadedly connected from the outer surface of the second sleeve through the third through hole and one of the third threaded holes.
[0023] Preferably, the top of the middle part of the horizontal rod is fixed with a third sleeve, the third sleeve is sleeved on the outer periphery of the corresponding end of the connecting frame, and the third sleeve is provided with a fourth through hole penetrating the inside and outside;
[0024] The outer periphery of the corresponding end of the connecting frame is provided with a plurality of fourth threaded holes distributed along the length direction of the connecting frame;
[0025] The third sleeve and the connecting frame are detachably connected through a fourth threaded connecting rod, the fourth threaded connecting rod is threaded connected from the outer surface of the third sleeve through the fourth through hole and one of the fourth threaded holes.
[0026] Preferably, the upper ends of the two suspension chains are respectively fixed with fourth sleeves, and the two fourth sleeves are respectively sleeved on the connecting frame.
[0027] Preferably, a plurality of connecting columns are fixed on the suspension chain, and the outer periphery of each connecting column is respectively provided with a second external thread.
[0028] The top of the hook is provided with a second mounting hole, and a second internal thread matched with the second external thread is arranged in the second mounting hole, and the hook and one of the connecting columns are threadedly connected.
[0029] Preferably, the bottoms of the two vertical rods are respectively detachably sleeved with soft rubber pads.
[0030] Beneficial effects:
[0031] The beneficial effects of the technical scheme of the utility model are as follows:
[0032] (1) The first support frame is vertically arranged and has a telescopic length, is arranged on the ground, and the height of the first support frame can be adjusted to adapt to the height of the shaft coupling and the hydraulic puller.
[0033] (2) The two ends of the horizontal rod are movably connected with the tops of the two vertical rods in a one-to-one correspondence, the horizontal rod and the two vertical rods jointly form a second support frame with a bayonet, are arranged on the motor shell, the two vertical rods are movable along the length direction of the horizontal rod to adjust the distance between the two vertical rods, and the width of the bayonet is adjusted to meet the shape of the motor shell.
[0034] (3) One end of the connecting frame is movably connected with the top of the first support frame, and the other end of the connecting frame is movably connected with the top of the horizontal rod, so that the first support frame and the second support frame jointly support the connecting frame, and the first support frame and the horizontal rod are movable, so that the distance between the first support frame and the horizontal rod can be changed to adapt to the different sizes of the shaft coupling and the hydraulic puller and the size of the site.
[0035] (4) The two suspension chains are arranged at intervals, the upper ends of the two suspension chains are movably arranged on the connecting frame, the lower ends of the two suspension chains are respectively provided with hooks, the shaft coupling and the hydraulic puller are respectively fixed through the two hooks, and the shaft coupling and the hydraulic puller are respectively lifted through the two suspension chains, without manual lifting, and the safety factor is high. BRIEF DESCRIPTION OF DRAWINGS
[0036] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope, for those skilled in the art, on the premise of not making creative labor, other related drawings can also be obtained according to these drawings.
[0037] Fig. 1 It is a front view of the anti-falling device suitable for motor disassembly of the present application;
[0038] Fig. 2 It is a top view of the anti-falling device suitable for motor disassembly of the present application;
[0039] In the figure:
[0040] 1-First support frame, 101-Lower support section, 102-Upper support section, 103-First threaded connecting rod, 104-Supporting bottom bracket, 105-First sleeve, 106-Second threaded connecting rod, 2-Second support frame, 201-Horizontal rod, 202-Vertical rod, 203-Second sleeve, 204-Third threaded connecting rod, 205-Third sleeve, 206-Fourth threaded connecting rod, 3-Connecting frame, 4-Hook, 5-Suspension chain, 501-Fourth sleeve, 502-Connecting column. DETAILED DESCRIPTION
[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative labor are within the scope of the present application.
[0042] Please refer to Figs. 1-2The embodiment provides a falling prevention device suitable for motor disassembly, which comprises a first support frame 1, a second support frame 2, a connecting frame 3, hooks 4 and two suspension chains 5; the first support frame 1 is vertically arranged and has a telescopic length, and is used for being arranged on the ground in cooperation, and the height of the first support frame 1 can be adjusted to adapt to the height requirement of the coupling and the hydraulic puller of the motor; the second support frame 2 comprises a horizontal rod 201 and two vertical rods 202, the two ends of the horizontal rod 201 are movably connected with the top portions of the two vertical rods 202 in a one-to-one correspondence, the horizontal rod 201 and the two vertical rods 202 jointly form the second support frame 2 with a bayonet, which is used for being clamped on the motor shell, the two vertical rods 202 are respectively movable along the length direction of the horizontal rod 201 to adjust the distance between the two vertical rods 202, so that the width of the bayonet is adjusted to adapt to the shape requirement of the motor shell; one end of the connecting frame 3 is movably connected with the top portion of the first support frame 1, and the other end of the connecting frame 3 is movably connected with the top portion of the horizontal rod 201, so that the first support frame 1 and the second support frame 2 jointly support the connecting frame 3, and the first support frame 1 and the horizontal rod 201 are respectively movable, so that the distance between the first support frame 1 and the horizontal rod 201 can be changed to adapt to the different sizes of the coupling and the hydraulic puller and the size requirement of the site; the two suspension chains 5 are arranged at intervals, the upper ends of the two suspension chains 5 are movably arranged on the connecting frame 3, and the lower ends of the two suspension chains 5 are respectively provided with the hooks 4, the coupling and the hydraulic puller are respectively fixed through the two hooks 4, and the coupling and the hydraulic puller are respectively lifted through the two suspension chains 5, so that manual lifting is not needed, and the safety factor is high.
[0043] As a preferred implementation form, the first support frame 1 comprises a lower support section 101, an upper support section 102 and a first threaded connecting rod 103, the lower support section 101 is a hollow rod, the lower support section 101 comprises a vertical plug-in channel, and the lower support section 101 is provided with a first through hole penetrating in and out; the upper support section 102 is inserted into the plug-in channel, and the upper support section 102 is provided with a plurality of first threaded holes arranged at intervals in the vertical direction; the first threaded connecting rod 103 is threadedly connected from the outer surface of the lower support section 101 through the first through hole and one of the first threaded holes, and the height of the lower support section 101 can be changed by changing the first threaded connecting rod 103 to connect different positions of the first threaded holes.
[0044] As a preferred implementation form, the first support frame 1 further comprises a support base 104, which is detachably arranged at the bottom of the lower support section 101 to ensure the stability of the first support frame 1 arranged on the ground. The bottom of the lower support section 101 is provided with a first external thread; the middle portion of the support base 104 is provided with a first mounting hole, and the first mounting hole is provided with a first internal thread matched with the first external thread, so that the support base 104 and the lower support section 101 are threadedly connected, and the disassembly and assembly are facilitated.
[0045] As a preferred embodiment, the top of the upper support section 102 is further fixed with a first sleeve 105, the first sleeve 105 is sleeved on the outer periphery of the corresponding end of the connecting frame 3, the first sleeve 105 is provided with a second through hole penetrating in and out; the outer periphery of the corresponding end of the connecting frame 3 is provided with a plurality of second threaded holes distributed along the length direction of the connecting frame 3; wherein the first sleeve 105 and the connecting frame 3 are detachably connected through a second threaded connecting rod 106, the second threaded connecting rod 106 is threadedly connected from the outer surface of the first sleeve 105 through the second through hole and one of the second threaded holes, by changing the second threaded connecting rod 106 to connect the second threaded holes at different positions, the position of the first sleeve 105 on the connecting frame 3 can be changed, so as to change the distance between the first support frame 1 and the second support frame 2.
[0046] As a preferred embodiment, the top of the upper support section 102 is further fixed with a first sleeve 105, the first sleeve 105 is sleeved on the outer periphery of the corresponding end of the connecting frame 3, the first sleeve 105 is provided with a second through hole penetrating in and out; the outer periphery of the corresponding end of the connecting frame 3 is provided with a plurality of second threaded holes distributed along the length direction of the connecting frame 3; wherein the first sleeve 105 and the connecting frame 3 are detachably connected through a second threaded connecting rod 106, the second threaded connecting rod 106 is threadedly connected from the outer surface of the first sleeve 105 through the second through hole and one of the second threaded holes, by changing the second threaded connecting rod 106 to connect the second threaded holes at different positions, the position of the first sleeve 105 on the connecting frame 3 can be changed, so as to change the distance between the first support frame 1 and the second support frame 2.
[0047] As a preferred embodiment, the top of the upper support section 102 is further fixed with a first sleeve 105, the first sleeve 105 is sleeved on the outer periphery of the corresponding end of the connecting frame 3, the first sleeve 105 is provided with a second through hole penetrating in and out; the outer periphery of the corresponding end of the connecting frame 3 is provided with a plurality of second threaded holes distributed along the length direction of the connecting frame 3; wherein the first sleeve 105 and the connecting frame 3 are detachably connected through a second threaded connecting rod 106, the second threaded connecting rod 106 is threadedly connected from the outer surface of the first sleeve 105 through the second through hole and one of the second threaded holes, by changing the second threaded connecting rod 106 to connect the second threaded holes at different positions, the position of the first sleeve 105 on the connecting frame 3 can be changed, so as to change the distance between the first support frame 1 and the second support frame 2.
[0048] As a preferred implementation, the upper ends of the two hanging chains 5 are respectively fixed with fourth sleeves 501, and the two fourth sleeves 501 are respectively sleeved on the connecting frame 3. By moving the fourth sleeves 501, the positions of the hanging chains 5 and the distance between the two hanging chains 5 can be changed. The hanging chains 5 are fixed with a plurality of connecting columns 502, and the outer periphery of each connecting column 502 is respectively provided with a second external thread. The top of the hook 4 is provided with a second mounting hole, and the second mounting hole is provided with a second internal thread matched with the second external thread. The hook 4 and the connecting columns 502 at different positions are threadedly connected, so that the setting position of the hook 4 can be changed to adapt to the lifting height requirements of the shaft coupling of the motor and the hydraulic puller.
[0049] The above is only a preferred implementation of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A fall protection device suitable for disassembling motors, characterized in that, It includes: The first support frame is vertically installed and its length is extendable; The second support frame includes a horizontal bar and two vertical bars. The two ends of the horizontal bar are movably connected to the tops of the two vertical bars in a corresponding manner. The two vertical bars can be moved along the length of the horizontal bar to adjust the distance between the two vertical bars. A connecting frame, one end of which is movably connected to the top of the first support frame, and the other end of which is movably connected to the top of the crossbar; The device includes a hook and two suspension chains, with the two suspension chains spaced apart. The upper ends of the two suspension chains are movably mounted on the connecting frame, and the lower ends of the two suspension chains are each equipped with a hook.
2. The anti-fall device for motor disassembly as described in claim 1, characterized in that, The first support frame includes: The lower support section is a hollow rod, which includes a vertically penetrating insertion channel and has a first through hole that penetrates both inside and outside. The upper support section is inserted into the insertion channel, and the upper support section has a plurality of first threaded holes arranged at intervals along the vertical direction. A first threaded connecting rod passes through the first through hole and one of the first threaded holes from the outer surface of the lower support section and is threadedly connected.
3. A fall protection device suitable for motor disassembly as described in claim 2, characterized in that: The first support frame also includes a support base, which is detachably installed at the bottom of the lower support section.
4. A fall protection device suitable for motor disassembly as described in claim 3, characterized in that: The bottom of the lower support section is provided with a first external thread; The support base has a first mounting hole in the middle, and the first mounting hole has a first internal thread that mates with the first external thread. The support base and the lower support section are threadedly connected.
5. A fall arrestor suitable for motor disassembly as described in claim 2, characterized in that: The top of the upper support section is also fixed with a first sleeve, which is sleeved on the outer periphery of the corresponding end of the connecting frame, and the first sleeve has a second through hole that runs through the inside and outside. The outer periphery of the corresponding end of the connecting frame is provided with a plurality of second threaded holes spaced apart along the length direction of the connecting frame. The first sleeve and the connecting bracket are detachably connected by a second threaded connecting rod, which passes through the second through hole and one of the second threaded holes from the outer surface of the first sleeve.
6. A fall protection device suitable for motor disassembly as described in claim 1, characterized in that: The top of each of the two vertical rods is fixed with a second sleeve, and the two second sleeves are fitted onto the two ends of the horizontal rod in a corresponding manner. Each of the two second sleeves has a third through hole that extends through both the inside and outside. Both ends of the crossbar are provided with a plurality of third threaded holes spaced apart along the length of the crossbar. The two second sleeves and the crossbar are detachably connected by third threaded connecting rods, and the two third threaded connecting rods are threaded through the third through hole and one of the third threaded holes from the outer surface of the second sleeve.
7. A fall arrestor suitable for motor disassembly as described in claim 1, characterized in that: A third sleeve is fixed to the upper side of the middle part of the crossbar. The third sleeve is sleeved on the outer periphery of the corresponding end of the connecting frame. A fourth through hole is opened on the third sleeve. The outer periphery of the corresponding end of the connecting frame is provided with a plurality of fourth threaded holes spaced apart along the length direction of the connecting frame. The third sleeve and the connecting frame are detachably connected by a fourth threaded connecting rod, which passes through the fourth through hole and one of the fourth threaded holes from the outer surface of the third sleeve.
8. A fall protection device suitable for motor disassembly as described in claim 1, characterized in that: The upper ends of the two suspension chains are respectively fixed with a fourth sleeve, and the two fourth sleeves are respectively sleeved on the connecting frame.
9. A fall protection device suitable for motor disassembly as described in claim 1, characterized in that: The suspension chain is fixed with several connecting posts, and each connecting post is provided with a second external thread on its outer periphery; The top of the hook has a second mounting hole, and the second mounting hole has a second internal thread that mates with the second external thread. The hook is threadedly connected to one of the connecting posts.
10. A fall protection device suitable for motor disassembly as described in claim 1, characterized in that: The bottom of each of the two vertical rods is detachably fitted with a soft rubber pad.