Device for preventing misoperation of electric horizontal clamp
By designing an electric horizontal clamp device including multiple limiting end sections and electrical control boxes, the problem of anti-error operation limits in the prior art is solved, and the safe lifting of steel coils and safety guarantees for on-site personnel are achieved.
Patent Information
- Application Number
- CN202420753169.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing anti-missive limiting device of electric horizontal clamps does not work during actual operation, causing the steel coil to fall off, causing material damage and safety hazards.
A device including a hook head, a clamp main frame body, a clamp claw, an electrical control box, a clamp motor, an extreme limit end section, an injection limit end section, an edge limit end section and a weighing limit end section are designed. Through the coordinated work of these components, the electrical control box receives signals from different limit end sections and gradually locks the clamp motor to prevent misoperation.
It effectively prevents the steel coil from falling during the rising process, avoids material damage and safety hazards, and realizes the anti-error operation function of the clamp.
Smart Images
Figure CN222574070U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric horizontal clamp limit, and more specifically to a device for preventing misoperation of an electric horizontal clamp. Background Art
[0002] Electric horizontal roll clamps are designed to meet the lifting needs of large quantities of horizontal rolls in major steel mills, ports, docks and other units. They can be divided into two categories according to different transmission methods: ① gear rack type electric horizontal roll clamps, ② three-screw type electric horizontal roll clamps.
[0003] At present, domestic electric horizontal clamps have two weighing limit switches at the bend of the clamp legs to prevent misoperation when lifting steel coils. The principle is that after lifting the steel coil, when the driver controls the lifting mechanism to rise, the weighing limit switches are energized. At the same time, the weighing limit switches send a signal through the electric control box to block the clamp from opening, thereby achieving the purpose of protecting the equipment.
[0004] However, in actual operation, it was found that the above-mentioned protection function could not always be realized, that is, the anti-misoperation limit under the two clamp legs was always ineffective. If the driver pressed the open button during the lifting of the steel coil, the steel coil would fall, resulting in material damage, and would also pose a safety hazard to the on-site operators.
[0005] Therefore, in view of this, the existing structure is studied and improved, and a device for preventing misoperation of an electric horizontal clamp is provided, in order to achieve a purpose with greater practical value. Utility Model Content
[0006] 1. Technical issues to be solved
[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide a device for preventing misoperation of an electric horizontal clamp, which can prevent the clamp motor from executing the relevant instructions of the operator during the rising process of the steel coil, thereby avoiding the steel coil from falling, realizing the anti-misoperation function of the entire device, avoiding material damage caused by the falling of the steel coil or misoperation, and at the same time, ensuring the safety of the operators on site.
[0008] 2. Technical solution
[0009] To solve the above problems, the utility model adopts the following technical solutions.
[0010] A device for preventing misoperation of an electric horizontal clamp, comprising a hook head, the bottom end of which is fixedly connected to a clamp main frame, one end of which is slidably connected to a first clamp claw, and the other end of which is slidably connected to a second clamp claw;
[0011] An electric control box is fixedly arranged on one side of the top of the clamp main frame, an indicator light bar is fixedly arranged on the top of the electric control box, an aviation plug is fixedly arranged on the side of the electric control box, and a clamp motor is fixedly arranged on the other side of the top of the clamp main frame;
[0012] A limit limit end section No. 1 is fixedly provided at one end of the clamp main frame body and close to the side of the first clamp claw, and a limit limit end section No. 2 is fixedly provided at the other end of the clamp main frame body and close to the side of the second clamp claw;
[0013] The side surface of the claw arm of the first clamp claw is fixedly provided with a shooting limit end section, the side surface of the claw hook of the first clamp claw is fixedly provided with a side limit end section No. 1, and the upper end surface of the claw hook of the first clamp claw is fixedly provided with a weighing limit end section No. 1;
[0014] A reflection limit reflector is fixedly arranged on the side of the claw arm of the second clamp claw, a second side limit end section is fixedly arranged on the side of the claw hook of the second clamp claw, and a second weighing limit end section is fixedly arranged on the upper end surface of the claw hook of the second clamp claw.
[0015] Furthermore, a full-through slot is provided inside the main frame of the clamp, and one end of the first clamp claw close to the hook head and one end of the second clamp claw close to the hook head both slide inside the full-through slot.
[0016] Furthermore, one end of the first clamping claw close to the hook head and one end of the second clamping claw close to the hook head are both fixedly provided with a rack;
[0017] The output end of the clamp motor is connected to the main gear through a coupling, and the two racks are meshed with the main gear.
[0018] Furthermore, the two racks have the same structure.
[0019] Furthermore, the end of the limit limit end section No. 1, the end of the limit limit end section No. 2, the indicator light rod and the aviation plug are all connected to the electric control box through lines.
[0020] Furthermore, a fixing buckle is provided on the side of the clamp main frame, and the aviation plug is snap-connected with the fixing buckle.
[0021] Furthermore, the first end section of the opposite side limit includes a side support, a pad with a spring rod is provided on the side of the side support, and the side support is clamped with one end of the pad with the spring rod;
[0022] A pressure sensor is embedded on the side surface of the side support.
[0023] Furthermore, the first clamping claw and the second clamping claw are arranged in symmetrical positions;
[0024] The limit limit end section No. 1 and the limit limit end section No. 2 are symmetrically arranged and have the same structure;
[0025] The opposing limiting end section and the opposing limiting reflector are symmetrically arranged;
[0026] The first end section for limiting the opposite side and the second end section for limiting the opposite side are arranged in symmetrical positions and have the same structure;
[0027] The weighing limit end section No. 1 and the weighing limit end section No. 2 are arranged in symmetrical positions and have the same structure.
[0028] 3. Beneficial effects
[0029] Compared with the prior art, the advantages of the present invention are:
[0030] In this scheme, during operation, the electric control box is controlled. After receiving the signals from the extreme limit end section No. 1 and the extreme limit end section No. 2, the electric control box determines that the steel coil has been fixed on the electric horizontal clamp. When the electric control box receives the signals from the opposite limit end section and the opposite limit reflector, the clamp motor forms the first locking. When the electric control box receives the signals from the opposite edge limit end section No. 1 and the opposite edge limit end section No. 2, the clamp motor forms the second locking. When the electric control box receives the signals from the weighing limit end section No. 1 and the weighing limit end section No. 2, the clamp motor forms the third locking and directly enters the final state. At this time, the driver or operator cannot operate the clamp motor to prevent misoperation. In this way, during the rising process of the steel coil, the clamp motor will not execute the relevant instructions of the operator, thereby avoiding the steel coil from falling, realizing the anti-misoperation function of the entire device, avoiding material damage caused by the falling of the steel coil or misoperation, and at the same time, ensuring the safety of the on-site operators. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1 It is a three-dimensional structural schematic diagram of the device for preventing misoperation of the electric horizontal clamp of the utility model;
[0032] Figure 2 For the utility model Figure 1 The structural diagram of the enlarged part A in the middle;
[0033] Figure 3 This is a schematic diagram of the structure of the main gear of the utility model when it is in operation;
[0034] Figure 4 It is a schematic diagram of the planar structure of the device for preventing misoperation of the electric horizontal clamp of the utility model.
[0035] Description of the numbers in the figure:
[0036] 1. Hook head; 101. Clamp main frame; 102. First clamp claw; 103. Second clamp claw; 104. Full through slot; 105. Rack; 106. Fixing buckle;
[0037] 2. Electric control box; 3. Indicator light bar;
[0038] 4. Clamp motor; 401. Main gear;
[0039] 5. Aviation plug; 6. Limit limit terminal No. 1; 7. Limit limit terminal No. 2; 8. Opposition limit terminal;
[0040] 9. No. 1 end section of the opposite side limiter; 901. Side support; 902. Pad with spring rod;
[0041] 10. Weighing limit end section No. 1; 11. Weighing limit end section No. 2; 12. Opposite side limit end section No. 2; 13. Opposite beam limit reflector. DETAILED DESCRIPTION
[0042] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.
[0043] Embodiment 1:
[0044] See also Figure 1-4 , a device for preventing misoperation of an electric horizontal clamp, comprising a hook head 1, a clamp main frame 101 is fixedly connected to the bottom end of the hook head 1, a first clamp claw 102 is slidably connected to one end of the clamp main frame 101, and a second clamp claw 103 is slidably connected to the other end of the clamp main frame 101;
[0045] An electric control box 2 is fixedly arranged on one side of the top of the clamp main frame 101, an indicator light bar 3 is fixedly arranged on the top of the electric control box 2, an aviation plug 5 is fixedly arranged on the side of the electric control box 2, and a clamp motor 4 is fixedly arranged on the other side of the top of the clamp main frame 101;
[0046] At one end of the clamp main frame 101, close to the side of the first clamp claw 102, a limit limit end section 1 is fixedly provided, and at the other end of the clamp main frame 101, close to the side of the second clamp claw 103, a limit limit end section 2 is fixedly provided.
[0047] A projection limit end section 8 is fixedly provided on the side of the claw arm of the first clamp claw 102, a side limit end section 9 is fixedly provided on the side of the claw hook of the first clamp claw 102, and a weighing limit end section 10 is fixedly provided on the upper end surface of the claw hook of the first clamp claw 102;
[0048] A reflection limit reflector 13 is fixedly provided on the side of the claw arm of the second clamp claw 103, a side limit end section 12 is fixedly provided on the side of the claw hook of the second clamp claw 103, and a weighing limit end section 11 is fixedly provided on the upper end surface of the claw hook of the second clamp claw 103.
[0049] The device can control whether the clamp motor 4 is self-locking, and when the clamp motor 4 is self-locking, it can avoid the driver or operator from operating incorrectly.
[0050] See also Figure 1 and Figure 3 Specifically, a full-through slot 104 is opened inside the clamp main frame 101, and one end of the first clamp claw 102 close to the hook head 1 and one end of the second clamp claw 103 close to the hook head 1 both slide inside the full-through slot 104.
[0051] The full through slot 104 can provide a movable space for the first clamping jaw 102 and the second clamping jaw 103 .
[0052] Specifically, one end of the first clamping claw 102 close to the hook head 1 and one end of the second clamping claw 103 close to the hook head 1 are both fixedly provided with a rack 105;
[0053] The output end of the clamp motor 4 is connected to the main gear 401 through a coupling, and the two racks 105 are meshed with the main gear 401.
[0054] When the clamp motor 4 is working, it controls the main gear 401 to rotate, and controls the two racks 105 to move in the direction toward or away from each other, so as to control the distance between the first clamp jaw 102 and the second clamp jaw 103 .
[0055] Specifically, the two racks 105 have the same structure.
[0056] With the main gear 401 as the center, the two racks 105 are 180° centrally symmetrical, so as to facilitate controlling the first clamping claw 102 and the second clamping claw 103 to approach or move away at the same frequency.
[0057] See also Figure 1 and Figure 4 Specifically, the end of the limit limit end section No. 1 6, the end of the limit limit end section No. 2 7, the indicator light rod 3 and the aviation plug 5 are all connected to the electric control box 2 through lines.
[0058] The electric control box 2 uniformly controls the circuits of the limit limit end section No. 1 6 , the limit limit end section No. 2 7 and the indicator light bar 3 .
[0059] See also Figure 1 , Figure 3 and Figure 4 Specifically, a fixing buckle 106 is provided on the side of the clamp main frame 101, and the aviation plug 5 is snap-connected with the fixing buckle 106.
[0060] The fixing buckle 106 is used to make the aviation plug 5 present a vertical state, thereby facilitating the connection between the aviation plug 5 and the line and preventing the line from interfering with the operation process of the electric horizontal clamp.
[0061] See also Figure 1 and Figure 2 Specifically, the side limit end section 9 includes a side support 901, a pad 902 with a spring rod is provided on the side of the side support 901, and the side support 901 is clamped with one end of the pad 902 with the spring rod;
[0062] A pressure sensor is embedded in the side surface of the side support 901 .
[0063] When fixing the steel coil, the steel coil generates pressure on the pad 902 with spring rod until the side support 901 forms a snap connection with one end of the pad 902 with spring rod, which can prevent the steel coil from directly hitting the side support 901 and protect the pressure sensor on the side support 901.
[0064] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 Specifically, the first clamping claw 102 and the second clamping claw 103 are arranged in symmetrical positions;
[0065] The first limit stopper end section 6 and the second limit stopper end section 7 are symmetrically arranged and have the same structure;
[0066] The opposing limit end section 8 and the opposing limit reflector 13 are symmetrically arranged;
[0067] The first end section 9 of the opposite side limit and the second end section 12 of the opposite side limit are symmetrically arranged and have the same structure;
[0068] The weighing limit end section No. 10 and the weighing limit end section No. 2 11 are arranged in symmetrical positions and have the same structure.
[0069] By limiting the installation position of the above-mentioned components, it is possible to detect whether the first clamping jaw 102 and the second clamping jaw 103 move synchronously during operation. When the signals detected by the two components in symmetrical positions are roughly the same, it proves that the first clamping jaw 102 and the second clamping jaw 103 move synchronously during operation. Otherwise, the entire electric horizontal clamp needs to be maintained.
[0070] Working principle:
[0071] In the whole device, the hook head 1, the clamp main frame 101, the first clamp claw 102 and the second clamp claw 103 form a complete electric horizontal clamp. When the electric horizontal clamp is in operation, if the electric horizontal clamp has clamped a steel coil, it is necessary to prevent the driver or operator from misoperating.
[0072] When the electric horizontal clamp has clamped the steel coil, the clamp motor 4 works and controls the distance between the first clamp claw 102 and the second clamp claw 103, and clamps the steel coil. At this time, the limit limit end section 1 6 detects the distance between the first clamp claw 102 and the clamp main frame 101, and the limit limit end section 2 7 detects the distance between the second clamp claw 103 and the clamp main frame 101;
[0073] Then, before the hoist cooperates with the electric horizontal clamp to drive the steel coil to rise, the opposing limit end section 8 is combined with the opposing limit reflector 13 to detect the distance between the first clamp claw 102 and the second clamp claw 103. When it is detected that the distance between the first clamp claw 102 and the clamp main frame 101 and the second clamp claw 103 is equal and no longer changes, the clamp motor 4 forms the first locking;
[0074] At the same time, the first end section 9 of the side limit is combined with the second end section 12 of the side limit. When the first end section 9 of the side limit and the second end section 12 of the side limit are both in close contact with the side of the steel coil, the clamp motor 4 forms a second locking;
[0075] At the same time, the weighing limit end section 10 and the weighing limit end section 11 form a combination. When the weight detected by the weighing limit end section 10 and the weighing limit end section 11 is roughly consistent with the weight of the steel coil, the clamp motor 4 forms a third lock and directly enters the final state. At this time, the driver or operator cannot operate the clamp motor 4 to prevent misoperation.
[0076] Then the hoist drives the electric horizontal clamp and the hoisted steel coil to move. When the electric horizontal clamp hoists the steel coil to the specified position and forms a stable state, the electric control box 2, the indicator light bar 3, and the aviation plug 5 can cooperate to release the locking state of the clamp motor 4. At this time, the further operation of the electric horizontal clamp can be controlled to ensure the safety of the electric horizontal clamp during operation.
[0077] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.
Claims
1. A device for preventing misoperation of an electric horizontal clamp, comprising a hook head (1), characterized in that: The bottom end of the hook head (1) is fixedly connected to a clamp main frame (101), one end of the clamp main frame (101) is slidably connected to a first clamp claw (102), and the other end of the clamp main frame (101) is slidably connected to a second clamp claw (103); An electric control box (2) is fixedly arranged on one side of the top of the clamp main frame (101), an indicator light bar (3) is fixedly arranged on the top of the electric control box (2), an aviation plug (5) is fixedly arranged on the side of the electric control box (2), and a clamp motor (4) is fixedly arranged on the other side of the top of the clamp main frame (101); A limit limit end section No. 1 (6) is fixedly provided at one end of the clamp main frame (101) and close to the side of the first clamp claw (102), and a limit limit end section No. 2 (7) is fixedly provided at the other end of the clamp main frame (101) and close to the side of the second clamp claw (103); A projection limit end section (8) is fixedly provided on the side of the claw arm of the first clamp claw (102), a side edge limit end section (9) is fixedly provided on the side of the claw hook of the first clamp claw (102), and a weighing limit end section (10) is fixedly provided on the upper end surface of the claw hook of the first clamp claw (102); A reflection limit reflector (13) is fixedly arranged on the side of the claw arm of the second clamp claw (103), a side limit end section (12) is fixedly arranged on the side of the claw hook of the second clamp claw (103), and a weighing limit end section (11) is fixedly arranged on the upper end surface of the claw hook of the second clamp claw (103).
2. The device for preventing misoperation of an electric horizontal clamp according to claim 1, characterized in that: A full-through slot (104) is provided inside the clamp main frame (101), and one end of the first clamp claw (102) close to the hook head (1) and one end of the second clamp claw (103) close to the hook head (1) both slide inside the full-through slot (104).
3. The device for preventing misoperation of an electric horizontal clamp according to claim 1, characterized in that: One end of the first clamping claw (102) close to the hook head (1) and one end of the second clamping claw (103) close to the hook head (1) are both fixedly provided with a rack (105); The output end of the clamp motor (4) is connected to a main gear (401) via a coupling, and the two racks (105) are both meshed with the main gear (401).
4. The device for preventing misoperation of an electric horizontal clamp according to claim 3, characterized in that: The two racks (105) have the same structure.
5. The device for preventing misoperation of an electric horizontal clamp according to claim 1, characterized in that: The end of the limit limit end section No. 1 (6), the end of the limit limit end section No. 2 (7), the indicator light rod (3) and the aviation plug (5) are all connected to the electric control box (2) through lines.
6. The device for preventing misoperation of an electric horizontal clamp according to claim 1, characterized in that: A fixing buckle (106) is provided on the side of the clamp main frame (101), and the aviation plug (5) is snap-connected with the fixing buckle (106).
7. The device for preventing misoperation of an electric horizontal clamp according to claim 1, characterized in that: The side-limiting end section No. 1 (9) comprises a side support (901), a pad (902) with a spring rod is arranged on the side of the side support (901), and the side support (901) is clamped with one end of the pad (902) with the spring rod; A pressure sensor is embedded on the side surface of the side support (901).
8. The device for preventing misoperation of an electric horizontal clamp according to claim 1, characterized in that: The first clamping claw (102) and the second clamping claw (103) are arranged in symmetrical positions; The first limit stop end section (6) and the second limit stop end section (7) are symmetrically arranged and have the same structure; The opposing limiting end section (8) and the opposing limiting reflector (13) are symmetrically arranged; The first end section (9) for limiting the opposite side and the second end section (12) for limiting the opposite side are arranged in symmetrical positions and have the same structure; The weighing limit end section No. 1 (10) and the weighing limit end section No. 2 (11) are arranged in symmetrical positions and have the same structure.