Elevator pit overhauls protection device
Technical Field
The utility model relates to the field of construction protection devices, in particular to an elevator pit overhaul protection device.
Background
The elevator pit overhaul protection device is used for protecting elevator maintainers, is mainly used for avoiding that an elevator car can be fast lowered due to the failure of a braking device or the wrong operation of the maintainers, and can play a role in supporting and isolating under the condition of serious life injury to the bottom maintainers.
The current China patent publication No. CN219751565U discloses an elevator pit maintenance protection device, which relates to the technical field of elevators, solves the problem that an elevator car rapidly descends for various reasons to cause life injury to maintenance personnel, comprises a pit and a stress plate, wherein the left end and the right end of the interior of the pit are fixedly connected with frames, the buffer plate is connected to the middle side of the frame in a sliding mode, pushing grooves are formed in the middle side of the top end of the buffer plate, limiting grooves are formed in the outer sides of through holes in the opposite ends of the buffer plate, limiting rings are connected to the opposite sides of the inside of the limiting grooves in a sliding mode, and reset springs are fixedly connected to the opposite ends of the limiting rings. According to the elevator pit maintenance protection device, the supporting rods move to be in collision with the arc surface at the top end of the rubber block to reduce speed, and the elevator car is limited and supported, so that the protection effect of the elevator pit maintenance protection device is improved, and the life safety of maintenance personnel is greatly improved.
However, in the using process of the maintenance protection device, the whole volume is large, so that the maintenance protection device is inconvenient to carry and place in the elevator pit and is convenient for workers to use, and therefore, the maintenance protection device for the elevator pit is provided for the problems.
Disclosure of utility model
In order to overcome the defects of the prior art and solve at least one technical problem in the background art, the utility model provides an elevator pit maintenance protection device.
The elevator pit maintenance protection device comprises a plurality of supporting legs, wherein screw barrels are fixedly connected to the side faces of the supporting legs, first screws are rotatably connected to the side faces of the adjacent supporting legs, the first screws are inserted into the screw barrels and are in threaded connection with the screw barrels, a hinging seat is slidably connected to the top of each supporting leg, a supporting arm is hinged to the top of each hinging seat, the inside of each supporting arm is hollow, and the top of each supporting leg is inserted into each supporting arm and is slidably connected with each supporting arm through the hinging between the supporting leg and each supporting arm, so that the height can be conveniently reduced, and the elevator pit maintenance protection device is convenient to carry.
Preferably, the top of the support arm is fixedly connected with a damper, the top of the damper is fixedly connected with a buffer seat, the bottom of the buffer seat and the top of the support arm are fixedly connected with buffer springs, and the buffer springs are matched by the damper, so that the impact is reduced.
Preferably, the support legs and the side surfaces of the support arms are fixedly connected with support cylinders, the side surfaces of the support legs and the side surfaces of the adjacent support arms are fixedly connected with support rods, the support rods are inserted into the support cylinders and are in sliding connection with the support cylinders, the support rods can slide in the support cylinders, the support rods can play a role in supporting the support arms and the support legs, and the overall strength is enhanced.
The side surfaces of the support arms are respectively and rotatably connected with a connecting seat, a slot is formed in the connecting seat, a first supporting rod is connected in the slot in a sliding mode, a second supporting rod is connected in the first supporting rod in a sliding mode, adjusting holes are formed in the first supporting rod and the first supporting rod, bolts are arranged in the middle of the adjusting holes, and the inclined supporting function can be achieved through the first supporting rod and the second supporting rod.
Preferably, the top of the supporting leg is fixedly connected with a limiting rod, the hinge seat is provided with a limiting groove, the limiting groove penetrates through the bottom of the supporting arm, and the limiting rod is in sliding connection with the limiting groove.
Preferably, the bottom end of the supporting leg is rotatably connected with a second screw rod, a support is connected to the second screw rod in a threaded mode, a base is fixedly connected to the support, and the base is L-shaped.
The utility model has the advantages that:
1. According to the utility model, the support legs, the hinging seat, the support arms, the first screw rods and the screw barrels are arranged, when the elevator is used, the screw barrels are enabled to move under the action of threads by rotating the first screw rods, so that the distance between two adjacent support legs is adjusted, the support legs are matched, corresponding working areas are defined, after the elevator is used, the support legs can be folded by reversely rotating the first screw rods, the elevator is convenient to carry out from a pit, the support arms are parallel to the support legs in an initial state, the support arms can be unfolded in a rotating way when being installed, the end parts of the support arms and the support legs are vertically arranged, the hinging seat and the support arms are downwards moved, then the top parts of the support legs are inserted into the support arms, so that the support legs and the support arms are connected, and the elevator is convenient to reduce the height by virtue of hinging arrangement between the support legs and the support arms, and the elevator is convenient to carry into the pit;
2. According to the elevator bridge box, the damper, the buffer spring and the buffer seat are arranged, so that when the elevator bridge box falls down in the overhauling process, the buffer seat can be contacted with the elevator bridge box, and then the damper and the buffer spring are matched, so that the elevator bridge box has an impact reducing effect.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a support arm according to the present utility model;
FIG. 3 is a schematic view of a first stay bar structure according to the present utility model;
FIG. 4 is a diagram showing the folding structure of the arm according to the present utility model;
Fig. 5 is a schematic structural view of the stand of the present utility model.
11, Supporting legs, 12, supporting arms, 13, a hinging seat, 14, a screw cylinder, 15, a first screw rod, 21, a damper, 22, a damping spring, 31, a supporting cylinder, 32, a supporting rod, 41, a limiting rod, 42, a limiting groove, 51, a connecting seat, 52, a first supporting rod, 53, a second supporting rod, 54, an adjusting hole, 61, a support, 62, a base, 63, a second screw rod, 7 and a damping plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Specific examples are given below.
Referring to fig. 1-3, an elevator pit maintenance protection device comprises a support leg 11, wherein a plurality of support legs 11 are arranged, screw barrels 14 are fixedly connected to the side surfaces of the support legs 11, first screw rods 15 are rotatably connected to the side surfaces of the adjacent support legs 11, the first screw rods 15 are inserted into the screw barrels 14 and are in threaded connection with the screw barrels, a hinging seat 13 is slidably connected to the top of the support leg 11, a support arm 12 is hinged to the top of the hinging seat 13, the inside of the support arm 12 is hollow, the top of the support leg 11 is inserted into the support arm 12 and is in sliding connection with the support arm 12, when in use, a worker carries the maintenance protection device into a pit of an elevator, then the screw rods 15 are rotated, the screw barrels 14 are made to move under the action of threads, so as to adjust the distance between the two adjacent support legs 11, the support legs 11 are matched, corresponding working areas are defined, after the support legs are used, the support leg 11 are made to be convenient to retract from the bottom of the support leg 12, the support arm 12 is installed in a state of being opened, the support arm 12 is made to be in parallel to the support arm 12, and the support arm 12 is arranged in a state of being opened, and the support arm 12 is convenient to be connected to the pit 12 by the support arm 12 in a vertical state, and the support arm 12 is arranged in a position of being parallel to the pit, and the support arm 12 is convenient to be moved.
Further, as shown in fig. 1-3, the top of the support arm 12 is fixedly connected with a damper 21, the top of the damper 21 is fixedly connected with a buffer seat, the bottom of the buffer seat and the top of the support arm 12 are fixedly connected with a buffer spring 22, when the elevator bridge box falls down in the maintenance process, the buffer seat can be contacted with the elevator bridge box, and then the buffer seat is matched with the buffer spring 22 by virtue of the damper 21, so that the impact is reduced, and the damper 21 is one or two of a hydraulic viscous damper 21 and a gas spring damper 21.
Further, as shown in fig. 1-2, the supporting legs 11 and the side surfaces of the supporting arms 12 are fixedly connected with supporting cylinders 31, the side surfaces of the supporting legs 11 and the side surfaces of the adjacent supporting arms 12 are fixedly connected with supporting rods 32, the supporting rods 32 are inserted into the supporting cylinders 31 and are in sliding connection with the supporting cylinders 31, when in use, the supporting rods 32 can slide in the supporting cylinders 31, can play a role in supporting the supporting arms 12 and the supporting legs 11, can play a role in enhancing integral strength, and when the spacing is adjusted, the supporting rods 32 can slide in the supporting cylinders 31, so that the supporting rods can correspondingly stretch or shorten.
Further shown in fig. 1 and 3, the side surfaces of the support arms 12 are respectively and rotatably connected with a connecting seat 51, a slot is formed in the connecting seat 51, a first supporting rod 52 is slidably connected in the slot, a second supporting rod 53 is slidably connected in the first supporting rod 52, adjusting holes 54 are formed in the first supporting rod 52 and the first supporting rod 52, bolts are arranged in the middle of the adjusting holes 54, after the distance between the support legs 11 is adjusted in use, the connecting seat 51 can be rotated, so that two diagonal connecting seats 51 are arranged between one another, then the first supporting rod 52 and the second supporting rod 53 are respectively inserted into the two diagonal connecting seats 51, the diagonal supporting effect can be achieved by means of the first supporting rod 52 and the second supporting rod 53, the telescopic adjusting length between the first supporting rod 52 and the second supporting rod 53 can be achieved through the matching of the bolts and the adjusting holes 54, and accordingly the fixing between the first supporting rod 52 and the second supporting rod 53 can be achieved.
Further, as shown in fig. 2 and 4, the top of the supporting leg 11 is fixedly connected with a limiting rod 41, the hinge seat 13 is provided with a limiting groove 42, the limiting groove 42 penetrates through the bottom of the supporting arm 12, the limiting rod 41 is slidably connected with the limiting groove 42, and the limiting rod 41 is located in the limiting groove 42 to slide in the process of moving the hinge seat 13 and the supporting arm 12 up and down in use, and when the hinge seat is folded, the limiting rod 41 can limit the maximum distance of upward movement of the hinge seat 13, so that the situation of falling off from the supporting leg 11 can be reduced.
Further, as shown in fig. 5, the bottom end of the supporting leg 11 is rotatably connected with a second screw 63, the second screw 63 is in threaded connection with a support 61, a base 62 is fixedly connected to the support 61, the base 62 is in an L-shaped arrangement, when in use, a worker can rotate the second screw 63 to drive the support 61 to move by rotating the second screw 63, so that the support 61 abuts against the side wall of the elevator pit, the stability of the supporting leg 11 can be improved, the occurrence of movement is reduced, the base 62 contacts the ground, the contact area between the supporting leg 11 and the ground can be improved, and the stability is improved.
Further, as shown in fig. 2, the top of the buffer seat is slidably connected with a buffer plate 7, and an elastic buffer pad is arranged on the top side of the buffer plate 7.
The working principle is that when in use, a worker carries the maintenance protection device into the pit of an elevator, then the first screw is rotated to enable the screw cylinder to move under the action of threads, so as to adjust the distance between two adjacent support legs, the support legs are matched to define corresponding working areas, after the use is completed, the support legs can be folded by reversely rotating the first screw, the support legs are conveniently carried out of the pit, in an initial state, the support arms are parallel to the support legs, the support arms can be rotated and unfolded when in installation, the end parts of the support arms and the support legs are vertically arranged, the hinging seat and the support arms are downwards moved, then the tops of the support legs are inserted into the support arms, so as to connect the support legs and the support arms, the height can be conveniently reduced by virtue of hinging arrangement between the support legs and the support arms, the support legs are conveniently carried into the pit of the elevator, in the maintenance process, when the elevator bridge box falls, the buffer seat can be contacted with the elevator bridge box, then the buffer seat is matched with the buffer spring to play a role of reducing impact, the buffer is one or two of the hydraulic viscous buffer and the air spring buffer, when the elevator bridge box is used, the supporting rod can slide in the supporting cylinder, can play a role of supporting between supporting arms and between supporting legs to strengthen integral strength, when the space is adjusted, the supporting rod can slide in the supporting cylinder to correspondingly elongate or shorten the supporting rod, when the elevator bridge box is used, after the distance between the supporting legs is adjusted, the connecting seat can be rotated to enable the two diagonal connecting seats to be between one, then the first supporting rod and the second supporting rod are respectively inserted into the two diagonal connecting seats, and can play a role of obliquely supporting by virtue of the first supporting rod and the second supporting rod, the telescopic adjustment length between first vaulting pole and the second vaulting pole, it cooperates through bolt and regulation hole, thereby can play the fixed between first vaulting pole and the second vaulting pole, articulated seat and support arm carry out the in-process that reciprocates, its gag lever post all is located the spacing inslot and slides, when folding, the gag lever post can restrict the biggest that articulated seat upwards moved, thereby can reduce the condition that drops from the landing leg, the staff can pass through rotatory second screw rod, the second screw rod is rotatory to drive the support and remove, thereby make the support the lateral wall of elevator pit, thereby can improve the stability of landing leg, reduce the condition that takes place to remove, and the base contacts with ground, thereby can improve the area of contact between landing leg and the ground, improve stability.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.