Controllable buffering energy dissipation device

Abstract

The utility model discloses a controllable buffering energy dissipation device which comprises a box body, a baffle plate, a control mechanism and an energy dissipation mechanism. The device is characterized in that the blocking plates, the control mechanisms and the energy dissipation mechanism are arranged in the box body, the blocking plates are arranged on the two sides of the energy dissipation mechanism and used for controlling and blocking rapid resilience of the energy dissipation mechanism, and the control mechanisms are arranged on the two sides of the energy dissipation mechanism and used for controlling the blocking plates to move and gradually release resilience force of the energy dissipation mechanism, so that the energy dissipation mechanism is gradually and slowly reset to be used next time; the two ends of the interior of the box body are each provided with a set of vertical plates, the vertical plates comprise the first vertical plate and the second vertical plate, the first vertical plate is provided with a through groove, a through hole and a sliding groove, and the second vertical plate and the side wall of the box body are provided with through grooves. The supporting table is controlled by the control mechanism to release pressure step by step and reset slowly and stably, and secondary damage to a borne object is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the application technical field of buffer energy dissipation device, and particularly relates to a controllable buffer energy dissipation device. BACKGROUND

[0002] The buffer energy dissipation device is generally used as a conversion device for potential energy and is commonly used in elevator shaft buffering, buffering and converting and reducing potential energy when the elevator falls out of control, reducing the harm to the people inside the elevator due to the out-of-control elevator; The oil pressure buffer is usually installed at the bottom of the elevator shaft, and the oil pressure buffer is a mature prior art, and its principle and application have been tested thousands of times, but the buffer oil pressure needs regular maintenance, including oil level, sealing element, etc., and the work is relatively cumbersome, therefore, in order to further improve the use effect on the basis of the oil pressure buffer and reduce the dependence on the oil pressure buffer, the improvement scheme for this technology is various;

[0003] For example, the prior art with the announcement number CN219341361U elevator shaft buffering protection device, the base in this device is provided with a plurality of hydraulic buffer rods, and a buffer is further provided below, which depends on the oil pressure buffering technology, thereby increasing the cost of maintenance and inspection, further, the base is completely supported and buffered by the buffer during the falling of the heavy object, and the falling force is completely guided by the buffer itself, therefore, if the falling object falls on one side, the base will be inclined, resulting in uneven force on the base, and the buffer body will be broken;

[0004] Further, for the problem of energy absorption and dissipation, the announcement number CN120096505A array type expansion energy absorption pipe anti-collision buffer is found, which absorbs the falling force of the falling object, but the blocking and buffering effect is not as good as that of the oil pressure buffer, and the falling object can not be gradually and smoothly landed; In addition, the energy absorption spring also has a rebound effect, which can cause secondary injury to the people inside the elevator;

[0005] In view of the above problems and prior art, the applicant provides a buffer energy dissipation device which can prevent rebound and make the falling object land smoothly. SUMMARY

[0006] The utility model discloses a controllable buffer energy dissipation device, which can overcome the defects of the prior art and gradually and stably reset the support table by controlling the mechanism, thereby avoiding secondary injury to the load.

[0007] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0008] A controllable buffer energy dissipation device, comprising a box, a blocking plate, a control mechanism, an energy dissipation mechanism; the blocking plate, the control mechanism and the energy dissipation mechanism are arranged in the box, the blocking plate is arranged on both sides of the energy dissipation mechanism for controlling the rapid rebound of the energy dissipation mechanism, the control mechanism is arranged on both sides of the energy dissipation mechanism for controlling the movement of the blocking plate to gradually release the rebound force of the energy dissipation mechanism, so that the energy dissipation mechanism is gradually reset to facilitate the next use.

[0009] A set of vertical plates are arranged at both ends of the inside of the box, the vertical plates include a first vertical plate and a second vertical plate, the first vertical plate is provided with a through slot, a through hole and a sliding slot, and the second vertical plate and the side wall of the box are provided with a through slot; a distribution box is arranged outside the box for distribution connection and control setting of various lines, and a first cover plate fixed by bolts is further arranged at the top of the box for covering the control mechanism.

[0010] The blocking plate is inserted into the through slot of the first vertical plate, the second vertical plate and the side wall of the box, a top plate is arranged on the blocking plate, the top plate is in contact with one side of the second vertical plate, a guide shaft is arranged on the top plate and in the through hole, a first spring is sleeved on the guide shaft, the first spring is in contact with the top plate and the first vertical plate, and a first wedge-shaped block is arranged on one side of the blocking plate.

[0011] The control mechanism comprises a first motor, a main shaft and a box body; a pair of box bodies are arranged, a support shaft is arranged on one side of the box body and in the sliding slot, a pair of baffles are arranged on the support shaft to prevent the support shaft from sliding out of the sliding slot, a second cover plate fixed by bolts is arranged at the top of the box body to close the box body, and a limiting slot is arranged on the side edge of the box body; a lead screw is arranged in the box body, both ends of the lead screw are rotatably connected to the box body, an installation block is threadedly connected to the lead screw, a control shaft is arranged on the installation block and in the limiting slot, and the control shaft is arranged below the first wedge-shaped block; a second motor fixed by a motor base is arranged at the bottom end of the box body, and the shaft of the second motor is connected to the end of the lead screw.

[0012] The main shaft is rotatably connected to the first vertical plate and the side wall of the box, the first motor is fixed on the outer wall of the box by a fixed base, and the shaft of the first motor is connected to one end of the main shaft; a fixed arm is arranged on the main shaft, and an adjustment arm is hingedly connected to the fixed arm; one end of the adjustment arm is hingedly connected to the box body.

[0013] The energy dissipation mechanism comprises a support table, a support column, a guide column, a second spring and a damping resistance; the guide column is fixedly connected to the bottom wall of the box, the end of the guide column is provided with the damping resistance, one end of the support column is fixedly connected to the support table, a central hole is arranged in the support column and the guide column is inserted into the central hole to slide up and down, a limiting plate, a damping resistance and a second wedge-shaped block are arranged on the support column, and the damping resistance and the second wedge-shaped block are arranged on both sides of the limiting plate; the second spring is sleeved on the guide column, and the second spring is in contact with the damping resistance on the support column and the guide column.

[0014] Further, the support table bottom is further provided with a fixed shaft, a fixed plate, and a push plate, the fixed plate is fixedly connected with the box body, one end of the fixed shaft is fixedly connected with the support table, one end of the fixed shaft is slidably connected with the fixed plate, and the push plate is fixedly connected with the end of the fixed shaft to control the height of the reset of the support table.

[0015] Preferably, an oil buffer is arranged below the push plate and fixed on the box body, and the push plate presses the oil buffer to realize secondary energy dissipation.

[0016] Preferably, the support table top is adaptively arranged according to the supported object to meet the support requirement of the supported object.

[0017] The utility model has the advantages that compared with the prior art

[0018] 1) The support columns and guide columns are uniformly arranged in the energy dissipation mechanism, the guide columns can not only support and buffer with the support columns through the second springs, but also provide the guiding function for the downward sliding of the support columns, which helps to disperse the bearing capacity of the support table, avoids the bearing capacity of the support table being too concentrated on one side due to the large deviation of the falling object and the falling force, and causes the support table to tilt and the structural parts of the energy dissipation mechanism to be damaged.

[0019] 2) The control mechanism can effectively control the rapid rebound of the support columns and the support table under the action of the elastic force of the second springs, the second wedge blocks are blocked and limited by the blocking plate, so that the support columns cannot rebound rapidly, and the rebounding can avoid causing secondary injury to the falling object on the support table; secondly, the box body is moved through the first motor control box, the control shaft in the box controls the sliding of the blocking plate to gradually release the limitation on the second wedge blocks, so that the second wedge blocks and the support columns can gradually release the pressure of the second springs according to the interval of the blocking plate and make the support table reset stably, which is beneficial to the protection of the energy dissipation mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0020] ATTACHED Figure 1 is a controllable buffer energy dissipation device structure schematic Figure 1 of the utility model

[0021] ATTACHED Figure 2 is a controllable buffer energy dissipation device structure schematic Figure 2 of the utility model

[0022] ATTACHED Figure 3 is a controllable buffer energy dissipation device internal structure schematic Figure 1 of the utility model

[0023] ATTACHED Figure 4 is a controllable buffer energy dissipation device internal structure schematic Figure 2 of the utility model

[0024] ATTACHED Figure 5It is a control type buffer energy dissipation device plan view of the utility model;

[0025] Attached Figure 6 It is the structure diagram of the blocking plate;

[0026] Attached Figure 7 It is the structure diagram of the control structure Figure 1 ;

[0027] Attached Figure 8 It is the structure diagram of the first vertical plate;

[0028] Attached Figure 9 It is the structure diagram of the control structure Figure 2 ;

[0029] Attached Figure 10 It is the structure diagram of the control structure Figure 3 ;

[0030] In the drawing: 1, box; 11, first cover plate; 12, distribution box; 13, first vertical plate; 131, through slot; 132, through hole; 133, sliding groove; 14, second vertical plate;

[0031] 2, blocking plate; 21, top plate; 22, guide shaft; 23, first spring; 24, first wedge block;

[0032] 3, control mechanism; 31, first motor; 32, main shaft; 321, fixed arm; 322, adjusting arm; 33, box body; 331, limiting groove; 332, second cover plate; 34, lead screw; 35, mounting block; 351, control shaft; 36, second motor; 37, support shaft; 371, baffle;

[0033] 4, energy dissipation mechanism; 41, support table; 411, fixed shaft; 412, fixed plate; 413, push plate; 42, support column; 421, limiting plate; 422, second wedge block; 43, guide column; 44, second spring; 45, shock absorbing damping; 5, oil buffer. Specific implementation

[0034] For the convenience of understanding of the person skilled in the art, the following will be combined with the attached Figures 1-10 , the technical scheme of the utility model is further specifically explained.

[0035] A control type buffer energy dissipation device, including box 1, blocking plate 2, control mechanism 3, energy dissipation mechanism 4;The blocking plate 2, control mechanism 3, energy dissipation mechanism 4 are located in the box 1, and the blocking plate 2 is located on both sides of the energy dissipation mechanism 4 for controlling the rapid rebound of the energy dissipation mechanism 4, and the control mechanism 3 is located on both sides of the energy dissipation mechanism 4 for controlling the movement of the blocking plate 2 to gradually release the rebound force of the energy dissipation mechanism 4, so that the energy dissipation mechanism 4 is gradually reset slowly for next use.

[0036] The box 1 inside both ends are provided with a set of vertical plate, vertical plate includes the first vertical plate 13, the second vertical plate 14, the first vertical plate 13 is provided with through slot 131, through hole 132, sliding slot 133, the second vertical plate 14 and the through slot 131 on the side wall of box 1 are provided with through slot 131;Box 1 outside is provided with distribution box 12 for the distribution connection and control setting of various lines, the box 1 top is also provided with bolt-fixed first cover plate 11 for covering control mechanism 3.

[0037] The blocking plate 2 is inserted into the through slot 131 on the first vertical plate 13, the second vertical plate 14 and the side wall of the box 1, the blocking plate 2 is provided with a top plate 21, the top plate 21 is in contact with one side of the second vertical plate 14, the top plate 21 is provided with a guide shaft 22 and is arranged in the through hole 132, the guide shaft 22 is provided with a first spring 23 sleeved thereon, the first spring 23 is in contact with the top plate 21 and the first vertical plate 13;The blocking plate 2 is provided with a first wedge-shaped block 24.

[0038] The control mechanism 3 includes a first motor 31, a main shaft 32 and a box body 33;The box body 33 is provided with a pair of support shafts 37, which are arranged in the sliding slot 133, and a pair of baffles 371 are arranged on the support shaft 37, which are arranged on both sides of the second vertical plate 14 to prevent the support shaft 37 from slipping out of the sliding slot 133;The box body 33 is provided with a bolt-fixed second cover plate 332 to close the box body 33, and a limiting groove 331 is arranged on the side edge of the box body 33;The box body 33 is provided with a lead screw 34, both ends of which are rotatably connected to the box body 33, and a mounting block 35 is arranged on the lead screw 34 in a threaded connection, a control shaft 351 is arranged on the mounting block 35 and is arranged in the limiting groove 331, and the control shaft 351 is arranged below the first wedge-shaped block 24;The box body 33 is provided with a second motor 36 fixed by a motor base, and the second motor 36 is connected to the end of the lead screw 34.

[0039] The main shaft 32 is rotatably connected to the first vertical plate 13 and the side wall of the box 1, the first motor 31 is fixed on the outer wall of the box 1 by a fixed seat, and the first motor 31 is connected to one end of the main shaft 32;The main shaft 32 is provided with a fixed arm 321, and the fixed arm 321 is provided with a hinge-connected adjusting arm 322;One end of the adjusting arm 322 is hingedly connected to the box body 33.

[0040] The energy dissipation mechanism 4 comprises a support table 41, a support column 42, a guide column 43, a second spring 44, a shock damping 45; the guide column 43 is fixedly connected to the bottom wall of the box body 1, the end of the guide column 43 is provided with a shock damping 45, one end of the support column 42 is fixedly connected to the support table 41, the inside of the support column 42 is provided with a center hole and is inserted with the guide column 43 which can slide up and down, the support column 42 is provided with a limiting plate 421, a shock damping 45 and a second wedge block 422, and the shock damping 45 and the second wedge block 422 are respectively arranged on the two sides of the limiting plate 421; the second spring 44 is sleeved on the guide column 43, and the second spring 44 touches the shock damping on the support column 42 and the guide column 43.

[0041] Further, the bottom of the support table 41 is further provided with a fixed shaft 411, a fixed plate 412 and a push plate 413, the fixed plate 412 is fixedly connected to the box body 1, one end of the fixed shaft 411 is fixedly connected to the support table 41, one end of the fixed shaft 411 is slidingly connected to the fixed plate 412, and the push plate 413 is fixedly connected to the end of the fixed shaft 411 to control the height of the reset of the support table 41.

[0042] Further, an oil buffer 5 is arranged below the push plate 413 and is fixed on the box body, and the push plate 413 presses the oil buffer 5 to realize secondary energy dissipation; the oil buffer 5 is an application of the prior art, which can be obtained by purchase or customization, in addition, the application and improvement of the oil buffer technology are disclosed in the patent documents with publication numbers CN 222118566 U and CN 222794904 U, and there are a large number of stores in the Ali1688 website that can be selected to purchase and customize, and here, no more other aspects are described.

[0043] Further, the table top of the support table 41 is adaptively set according to the application support object to meet the support requirements of the application support object.

[0044] A controllable buffer energy dissipation device, the working process is as follows:

[0045] The support table 41 is used to support the objects falling rapidly from above, for example, the elevator out of control and falling rapidly, the elevator falling impact the support table 41, at this time, the second spring 44 provides elastic force to buffer the impact force of the support table 41, so that the wedge surface of the second wedge block 422 on the support column 42 presses one end of the blocking plate 2, thereby making one end of the blocking plate 2 retreat, the second wedge block 422 in turn presses and pushes the blocking plate 2, and the blocking plate 2 above the second wedge block 422 is reset and blocks the second wedge block 422 and the support column 42 under the push of the first spring 23, and the support column 42 appears rapid rebound under the push of the second spring 44, causing secondary injury to the personnel in the elevator; further, the oil buffer 5 buffers the impact force of the support table 41 again after the support column 42 slides to a certain height, and eliminates the potential energy of the falling of the support table 41.

[0046] When the accident handling is completed and the support table 41 needs to be reset, the main shaft 32 is controlled to rotate by the first motor 31, and then the box body 33 is controlled to move along the sliding groove 133 to the two sides by the fixed arm 321 and the adjusting arm 322, so that the control shaft 351 is moved to below the first wedge block 24 on the lowermost blocking plate 2, then the mounting block 35 and the control shaft 351 are lifted along the limiting groove 331 when the lead screw 34 is driven to rotate by the second motor 36, the wedge surface of the first wedge block 24 is pushed by the control shaft 351, the blocking plate 2 slides back to one end, and then the blocking plate 2 removes the blocking of the second wedge block 422, so that the support column 42 and the support table 41 can be gradually returned to release the pushing force of the second spring 44, and slow and stable reset is obtained; after the support table 41 is reset, the box body 33 is slid along the sliding groove 133 to reset the control shaft 351 away from the first wedge block 24, and then the control shaft 351 is moved downward to reset the next use.

[0047] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0048] As described above, including but not limited to electronic or electrical components such as electric push rod, motor, etc. are prior art components, which are obtained by private customization or purchase, and the electrical connection between each component is a conventional circuit connection or electrical connection in the prior art, which is not within the protection scope of the present application;

[0049] The above content is only an example and description of the structure of the present application, and those skilled in the art can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, as long as they do not deviate from the structure of the present application or exceed the scope defined in the present claims, and should be within the protection scope of the present application.

Claims

1. A controllable buffer energy dissipation device, comprising a housing, a baffle plate, a control mechanism, and an energy dissipation mechanism; characterized in that... The baffle plate, control mechanism, and energy dissipation mechanism are located inside the enclosure. The baffle plate is located on both sides of the energy dissipation mechanism to control and block the rapid rebound of the energy dissipation mechanism. The control mechanism is located on both sides of the energy dissipation mechanism to control the movement of the baffle plate to gradually release the rebound force of the energy dissipation mechanism, so that the energy dissipation mechanism can be slowly reset step by step for easy use next time. Each end of the enclosure is provided with a set of vertical plates, including a first vertical plate and a second vertical plate. The first vertical plate is provided with a through groove, through hole, and sliding groove. The second vertical plate and the side wall of the enclosure are provided with through grooves. An electrical distribution box is provided outside the enclosure for the distribution, connection, and control of various lines. The top of the enclosure is also provided with a bolted first cover plate to cover the control mechanism. The baffle plate is inserted into the first vertical plate, the second vertical plate, and the through groove on the side wall of the box. The baffle plate is provided with a top plate, which touches one side of the second vertical plate. The top plate is provided with a guide shaft and is located in the through hole. The guide shaft is provided with a first spring sleeved on it. The first spring touches the top plate and the first vertical plate. A first wedge block is provided on one side of the baffle plate. The control mechanism includes a first motor, a main shaft, and a housing. The housing has a pair of support shafts; one side of the housing has a support shaft located within a sliding groove, and the support shaft has a pair of baffles positioned on either side of a second vertical plate to prevent the support shaft from slipping out of the sliding groove. The top of the housing has a bolt-fixed second cover plate to enclose the housing, and the side of the housing has a limiting groove. A lead screw is installed inside the housing, with both ends rotatably connected to the housing. The lead screw has threaded mounting blocks, and the mounting blocks have control shafts located within the limiting grooves, below the first wedge block. The bottom of the housing has a second motor fixed via a motor mount, and the second motor shaft is connected to the end of the lead screw. The main shaft is rotatably connected to the first vertical plate and the side wall of the box. The first motor is fixed to the outer wall of the box through a fixed seat. The first motor shaft is connected to one end of the main shaft. The main shaft is provided with a fixed arm, and the fixed arm is provided with a hinged adjusting arm. One end of the adjusting arm is hinged to the box.

2. The controllable buffer energy dissipation device according to claim 1, characterized in that... The energy dissipation mechanism includes a support platform, a support column, a guide column, a second spring, and a shock-absorbing damper. The guide column is fixedly connected to the bottom wall of the housing, and a shock-absorbing damper is provided at the end of the guide column. One end of the support column is fixedly connected to the support platform. The support column has a central hole inside and inserts the guide column, allowing it to slide up and down. The support column is provided with a limiting plate, a shock-absorbing damper, and a second wedge block. The shock-absorbing damper and the second wedge block are respectively located on both sides of the limiting plate. The second spring is sleeved on the guide column, and the second spring contacts the shock-absorbing damper on the support column and the guide column.

3. A controllable buffer energy dissipation device according to claim 2, characterized in that... The bottom of the support platform is also provided with a fixed shaft, a fixed plate, and a push plate. The fixed plate is fixedly connected to the box body, one end of the fixed shaft is fixedly connected to the support platform, and the other end of the fixed shaft is slidably connected to the fixed plate. The push plate is fixedly connected to the end of the fixed shaft to control the height of the support platform's reset.

4. A controllable buffer energy dissipation device according to claim 2, characterized in that... A hydraulic buffer is installed below the push plate and fixed on the housing. The push plate presses against the hydraulic buffer to achieve secondary energy dissipation.

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