Elevator installation buffer pile

Abstract

The utility model relates to the technical field of elevator buffer piles, and discloses an elevator installation buffer pile which comprises a base, telescopic rods are installed at the four corners of the upper end face of the base respectively, the telescopic ends of the four telescopic rods are fixedly connected with a supporting seat, installation holes are formed in the four corners of the base respectively, and a hydraulic sleeve is fixedly connected to the upper end face of the base. The clamping blocks on the inner side wall of the clamping ring are manually aligned with the moving grooves in the supporting seat and the base, after the clamping blocks are aligned with the moving grooves, the clamping ring is placed in the mounting grooves of the supporting seat and the base, the clamping blocks can smoothly enter along the guiding of the moving grooves along with the placement of the clamping ring, and the clamping ring abuts against the top ring and enables the second spring to be compressed when moving. When the clamping block moves to the position of the rotating groove, the clamping ring is rotated to enable the clamping block to move to the position of the clamping groove through the rotating groove, the clamping ring is loosened, and the clamping block is pushed into the clamping groove and fixed in the clamping groove through the counter-acting force generated by compression of the second spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator buffer pile technical field, specifically, relate to a kind of elevator installation buffer pile. BACKGROUND

[0002] As an indispensable vertical transport tool in modern building, the safety of elevator is directly related to the life and property safety of passengers. In the elevator system, the buffer pile as an important safety protection device undertakes the key task of reducing impact force when the elevator falls or hits the top by accident. When the elevator falls or hits the top due to failure or other reasons, the buffer pile can quickly absorb and disperse the impact force, thereby protecting the elevator car, passengers and other components of the elevator system from serious damage.

[0003] The existing device has some drawbacks in use, for example: the existing elevator buffer pile is exposed after installation, the spring and buffer mechanism are exposed to the outside for a long time, which is easy to be corroded by dust, oil stains and other environmental factors, resulting in surface rust and wear of the components, and thus affecting the buffering performance. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an elevator installation buffer pile, which solves the problem that the spring and buffer mechanism of the existing elevator buffer pile are exposed after installation.

[0005] The utility model provides following technical scheme: an elevator installation buffer pile, including base, four corner places of base upper end surface all are installed telescopic link, four telescopic link's telescopic end fixedly connected with support seat, four corner places of base upper end surface all are equipped with mounting hole, the upper end surface fixedly connected with hydraulic sleeve of base, be provided with the buffer assembly of buffer car out -of -control drop impact force on the hydraulic sleeve, be provided with the dustproof assembly of dust entering buffer assembly in support seat, the dustproof assembly includes the installation groove respectively equipped with support seat lower end surface and base upper end surface, four moving grooves are vertically equipped with in the annular array of two installation groove one side inner wall, four rotating grooves are transversely equipped with in the annular array of two installation groove one side inner wall, rotating groove is communicated with corresponding moving groove respectively, four clamping grooves are vertically equipped with in the annular array of two installation groove one side inner wall, the clamping groove is communicated with corresponding rotating groove respectively, the clamping groove, rotating groove and moving groove of same group communication all are U shape, the dustproof assembly still includes the snap ring of sliding connection in two installation groove inner side, dustproof cover is fixedly connected between two snap rings, two snap ring inner side wall is fixedly connected with the clamping block of corresponding clamping groove position respectively, two snap ring opposite sides outer wall all are provided with top ring, and two top rings are slidingly connected in corresponding installation groove inner side respectively, two top ring opposite sides outer wall all are fixedly connected with second spring, and two second spring sets up in corresponding installation groove inner side, in above -mentioned scheme, the installation groove that support seat lower end surface and base upper end surface are equipped with respectively, provide stable installation foundation for dustproof assembly, this design ensures that dustproof assembly can be firmly installed between support seat and base, the clamping groove, rotating groove and moving groove of same group communication all are U shape, can ensure that dustproof assembly is not easy to fall off after installation, thereby improved installation stability.

[0006] In the above scheme, by aligning the mounting hole with the reserved hole or fixed point in the elevator shaft, and ensuring that the buffer pile can be stably installed at the predetermined position, the accuracy of the buffer pile during installation is ensured. When the car loses control and hits the support seat, the buffer assembly in the hydraulic sleeve will be compressed and produce a damping effect, which can significantly slow down the falling speed of the car and effectively absorb the impact force, thereby protecting the elevator structure and passenger safety. The setting of the dustproof assembly can effectively prevent dust and other debris from entering the buffer assembly, reducing the failure of the buffer assembly caused by dust and other debris.

[0007] As a preferred embodiment of the above technical solution, the buffer assembly comprises a hydraulic chamber formed in the interior of the hydraulic sleeve, the hydraulic chamber is filled with hydraulic oil, a piston block is slidingly connected to the inner side of the top of the hydraulic chamber, two piston holes are symmetrically formed in the upper end surface of the piston block, a piston rod is fixedly connected to the upper end surface of the piston block, the piston rod vertically penetrates the top end of the hydraulic sleeve and is slidingly connected to the top end of the hydraulic sleeve, and the end of the piston rod away from the piston block is fixedly connected to the lower end surface of the support seat.

[0008] In the above scheme, when the elevator car collides with the support seat due to out of control, the support seat transmits the impact force to the piston block in the hydraulic sleeve through the piston rod, the piston block slides in the hydraulic cavity, and the hydraulic oil is compressed, so that the huge impact force generated by the collision is absorbed and dispersed, the incompressibility of the hydraulic oil makes the buffering process smooth and efficient, and the damage to the elevator car is effectively reduced.

[0009] As a preferred embodiment of the above technical scheme, the buffering assembly further comprises a support ring fixedly sleeved to the outer side of the top of the hydraulic sleeve, the outer side of the piston rod is sleeved with a first spring, and the two ends of the first spring are correspondingly arranged between the upper end face of the support ring and the lower end face of the support seat.

[0010] In the above scheme, when the elevator car collides with the support seat, the first spring is first compressed to play a preliminary buffering role, then the hydraulic oil and the piston block in the hydraulic sleeve further absorb and disperse the impact force, and the overall buffering effect is enhanced.

[0011] As a preferred embodiment of the above technical scheme, the inner side wall of each of the two top rings is fixedly connected with four limiting blocks in an annular array, the inner wall of one side of each of the two mounting grooves is vertically provided with four limiting grooves in an annular array, and the size of the limiting grooves is adapted to that of the limiting blocks.

[0012] In the above scheme, the limiting grooves provide a clear movement path for the limiting blocks, so that the top ring cannot deviate from the predetermined track during movement, and the misalignment of the top ring is effectively prevented.

[0013] As a preferred embodiment of the above technical scheme, the upper end face of the support seat is fixedly connected with a shock pad.

[0014] In the above scheme, the shock pad can effectively absorb and disperse the impact force brought by the elevator car, thereby reducing the impact on the support seat and the buffering assembly.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] In the utility model, the dust cover in the dustproof assembly can effectively prevent dust, oil stains and other pollutants from entering the inside of the buffering mechanism, keep the buffering assembly clean, the clean buffering assembly can keep its original mechanical properties and buffering effect, ensure that it can work normally when the elevator has an accident, absorb and disperse the impact force, and due to the protection of the dustproof assembly, the components in the inside of the buffering mechanism are prevented from rusting and wearing caused by pollution, thereby prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the elevator installation buffering pile.

[0018] Figure 2 It is a kind of elevator installation buffer pile buffer assembly structure schematic diagram;

[0019] Figure 3 It is a kind of piston block structure schematic diagram in elevator installation buffer pile;

[0020] Figure 4 It is a kind of local section view structure schematic diagram of elevator installation buffer pile;

[0021] Figure 5 It is a kind of top ring structure schematic diagram in elevator installation buffer pile;

[0022] Figure 6 It is a kind of snap ring structure schematic diagram in elevator installation buffer pile.

[0023] In the figure: 10, base; 11, telescopic rod; 12, support seat; 13, mounting hole; 14, hydraulic sleeve; 2, buffer assembly; 3, dustproof assembly; 201, hydraulic chamber; 203, piston block; 204, piston hole; 205, piston rod; 206, support ring; 207, first spring; 301, installation slot; 302, moving slot; 303, rotary slot; 304, clamping groove; 305, snap ring; 306, dustproof sleeve; 307, clamping block; 308, top ring; 309, second spring; 40, limiting block; 41, limiting slot; 50, shock pad. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. EMBODIMENT

[0025] As Figure 1 and Figure 2As shown, the utility model provides a technical scheme: a kind of elevator installation buffer pile, including base 10, four corners of upper end surface of base 10 are evenly installed with telescopic rod 11, and the telescopic end of four telescopic rods 11 is fixedly connected with support seat 12, four corners of base 10 are evenly provided with mounting hole 13, and the upper end surface of base 10 is fixedly connected with hydraulic sleeve 14, and hydraulic sleeve 14 is provided with buffer assembly 2 for relieving car out of control drop impact force, support seat 12 is provided with dustproof assembly 3 for preventing dust from entering buffer assembly 2, specifically in use process, mounting hole 13 is aligned with the reserved hole or fixed point in elevator shaft, it is guaranteed that buffer pile can be stably installed in predetermined position, when car hits on support seat 12, buffer assembly 2 in hydraulic sleeve 14 will be compressed and produce damping effect, so as to slow down the falling speed of car and absorb impact force, dustproof assembly 3 can effectively prevent dust and sundries from entering the inside of buffer assembly 2, which not only can maintain the cleanliness and good working condition of buffer assembly 2, but also can reduce the failure of buffer assembly 2 caused by dust and sundries.

[0026] As one embodiment in the present embodiment, as Figure 1 、 Figure 2 and Figure 3As shown, the buffer assembly 2 comprises a hydraulic cavity 201 inside the hydraulic sleeve 14, the hydraulic cavity 201 is filled with hydraulic oil, the top side of the hydraulic cavity 201 is slidably connected with a piston block 203, two piston holes 204 are symmetrically arranged on the piston block 203, the upper end surface of the piston block 203 is fixedly connected with a piston rod 205, the top end of the piston rod 205 vertically penetrates and slidably connects with the top end of the hydraulic sleeve 14, the end of the piston rod 205 away from the piston block 203 is fixedly connected with the lower end surface of the support base 12, the buffer assembly 2 further comprises a support ring 206 fixedly sleeved on the top outer side of the hydraulic sleeve 14, a first spring 207 is sleeved on the outer side of the piston rod 205, and the two ends of the first spring 207 are correspondingly arranged between the upper end surface of the support ring 206 and the lower end surface of the support base 12. In specific use process, when the elevator car falls out of control, the elevator car will impact on the support base 12, the support base 12 will drive the piston rod 205 to move downward after being impacted by the car, the piston rod 205 will push the piston block 203 to slide in the hydraulic cavity 201 when moving downward, the piston block 203 will extrude the hydraulic oil and make it flow through the piston hole 204 when sliding in the hydraulic cavity 201, the flow of the hydraulic oil generates a damping effect, so as to slow down the descending speed of the piston rod 205 and the support base 12, in the process of descending of the piston rod 205 and the support base 12, the first spring 207 will be compressed and generate a reaction force, which further slows down the impact force of the car, after the end of the buffering process, the first spring 207 begins to gradually restore to the initial state, with the restoration of the first spring 207, the piston rod 205 and the support base 12 will also gradually rise and return to the initial position, at the same time, the hydraulic oil will rise through the piston block 203 and be redistributed in the hydraulic cavity 201 through the piston hole 204 and restore to the initial state.

[0027] As an embodiment in the present embodiment, as Figure 1 、 Figure 4 、 Figure 5 and Figure 6As shown, the dustproof component 3 includes mounting grooves 301 respectively opened on the lower end surface of the support seat 12 and the upper end surface of the base 10, and the inner walls of one side of the two mounting grooves 301 are vertically provided with four movable grooves 302 in an annular array, and the inner walls of one side of the two mounting grooves 301 are horizontally provided with four rotating grooves 303 in an annular array, and the rotating grooves 303 are respectively connected to the corresponding movable grooves 302, and the inner walls of one side of the two mounting grooves 301 are vertically provided with four card slots 304 in an annular array, and the card slots 304 are respectively connected to the corresponding rotating grooves 303. The card slot 304, the rotating slot 303 and the movable slot 302 are all U-shaped. The dustproof component 3 also includes a snap ring 305 that is slidably connected to the inner sides of the two mounting slots 301. A dustproof sleeve 306 is fixedly connected between the two snap rings 305. The inner side walls of the two snap rings 305 correspond to the card slots 304 and are fixedly connected to a card block 307. The outer walls of the opposite sides of the two snap rings 305 are each provided with a top ring 308, and the two top rings 308 are respectively slidably connected to the inner sides of the corresponding mounting slots 301. The outer walls of the opposite sides of the two top rings 308 are both fixedly connected. The second spring 309 is connected, and the two second springs 309 are arranged on the inner side of the corresponding mounting groove 301. During the specific use process, the block 307 on the inner wall of the snap ring 305 is manually aligned with the movable groove 302 on the support seat 12 and the base 10. After the block 307 is aligned with the movable groove 302, the snap ring 305 is smoothly placed in the mounting groove 301 of the support seat 12 and the base 10. As the snap ring 305 is placed, the block 307 will smoothly enter along the guide of the movable groove 302. The snap ring 305 is installed on the support seat 12 and the base 10. When moving in the groove 301, it will press against the top ring 308 and compress the second spring 309. When the block 307 moves to the position of the rotating groove 303, the rotating snap ring 305 allows the block 307 to move to the position of the slot 304 through the rotating groove 303. At this time, the snap ring 305 is released, and the reaction force generated by the compression of the second spring 309 pushes the block 307 into the slot 304 and fixes the block 307 in the slot 304. When the dustproof component 3 needs to be disassembled to maintain the buffer component 2, only the snap ring 305 needs to be manually reversed.

[0028] As an implementation method in this embodiment, Figure 4 and Figure 5 As shown, the inner side walls of the two top rings 308 are fixedly connected with four limit blocks 40 in a circular array, and the inner walls on one side of the two mounting grooves 301 are vertically opened with four limit grooves 41 adapted to the size of the limit blocks 40 in a circular array. The two top rings 308 are respectively slidably connected with the corresponding base 10 and the corresponding support seat 12 through the corresponding four limit blocks 40. During specific use, the limit grooves 41 provide clear guidance and positioning for the limit blocks 40, ensuring the stability of the top ring 308 during the movement process.

[0029] As an implementation method in this embodiment, Figure 1As shown, the upper end surface of the support base 12 is fixedly connected with a shock pad 50, and in actual use, when the elevator car falls out of control, the elevator car will impact the support base 12, and the shock pad 50 can absorb and disperse the impact force brought by the elevator car.

[0030] Working principle: align the installation hole 13 of the buffer pile with the reserved hole or fixed point in the elevator shaft, ensure that the buffer pile can be stably installed at the predetermined position, manually align the clamping block 307 of the inner wall of the clamping ring 305 with the moving groove 302 on the support base 12 and the base 10, after the clamping block 307 is aligned with the moving groove 302, place the clamping ring 305 into the installation groove 301 of the support base 12 and the base 10, and the clamping block 307 will smoothly enter along the guide of the moving groove 302 as the clamping ring 305 is placed, and the clamping ring 305 moves against the top ring 308 and compresses the second spring 309, when the clamping block 307 moves to the position of the rotating groove 303, rotate the clamping ring 305 to make the clamping block 307 move to the position of the clamping groove 304 through the rotating groove 303, loosen the clamping ring 305, and through the reaction force generated by the compression of the second spring 309, push the clamping block 307 into the clamping groove 304 and fix the clamping block 307 in the clamping groove 304, when it is necessary to disassemble the dustproof assembly 3 to maintain the buffer assembly 2, only need to manually operate the clamping ring 305 in the reverse direction, when the elevator car falls out of control, the car will impact the support base 12, and the shock pad 50 can preliminarily absorb and disperse the impact force, and after the support base 12 is impacted by the car, the piston rod 205 is driven to move downward, the piston rod 205 pushes the piston block 203 to slide in the hydraulic cavity 201, extrudes the hydraulic oil and makes it flow through the piston hole 204, the flow of the hydraulic oil generates a damping effect, slows down the descending speed of the piston rod 205 and the support base 12, and in the process of descending of the piston rod 205 and the support base 12, the first spring 207 is compressed and generates a reaction force, which further slows down the impact force of the car, after the buffer process is completed, the first spring 207 begins to gradually recover to the initial state, and with the recovery of the first spring 207, the piston rod 205 and the support base 12 also gradually rise and return to the initial position, and at the same time, the hydraulic oil rises through the piston block 203 and is redistributed in the hydraulic cavity 201 through the piston hole 204 and returns to the initial state.

[0031] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it.

Claims

1. An elevator installation cushion pile comprising a base (10), characterized in that: The upper end face of the base (10) is provided with four telescopic rods (11) at the four corners, the telescopic ends of the four telescopic rods (11) are fixedly connected with support seats (12), the four corners of the base (10) are provided with mounting holes (13), the upper end face of the base (10) is fixedly connected with a hydraulic sleeve (14), the hydraulic sleeve (14) is provided with a buffer assembly (2) for relieving the impact force of the out-of-control falling of the car, and the support seat (12) is provided with a dustproof assembly (3) for preventing dust from entering the buffer assembly (2). The dustproof assembly (3) comprises mounting grooves (301) formed in the lower end face of the support seat (12) and the upper end face of the base (10) respectively, four moving grooves (302) are vertically formed in the inner walls of the two mounting grooves (301) on one side in a ring array, four rotating grooves (303) are transversely formed in the inner walls of the two mounting grooves (301) on one side in a ring array, the rotating grooves (303) are communicated with the corresponding moving grooves (302), four clamping grooves (304) are vertically formed in the inner walls of the two mounting grooves (301) on one side in a ring array, the clamping grooves (304) are communicated with the corresponding rotating grooves (303), and the clamping grooves (304), the rotating grooves (303) and the moving grooves (302) in the same group are in U-shaped. The dustproof assembly (3) further comprises clamping rings (305) slidably connected to the inner sides of the two mounting grooves (301), a dustproof sleeve (306) is fixedly connected between the two clamping rings (305), clamping blocks (307) are fixedly connected to the positions of the corresponding clamping grooves (304) on the inner walls of the two clamping rings (305), top rings (308) are arranged on the opposite outer walls of the two clamping rings (305), the two top rings (308) are slidably connected to the inner sides of the corresponding mounting grooves (301), second springs (309) are fixedly connected to the opposite outer walls of the two top rings (308), and the two second springs (309) are arranged on the inner sides of the corresponding mounting grooves (301).

2. The elevator installation buffer pile according to claim 1, characterized in that: The buffer assembly (2) comprises a hydraulic cavity (201) formed in the inside of the hydraulic sleeve (14), the hydraulic cavity (201) is filled with hydraulic oil, a piston block (203) is slidably connected to the inner side of the top of the hydraulic cavity (201), two piston holes (204) are symmetrically formed in the piston block (203), a piston rod (205) is fixedly connected to the upper end face of the piston block (203), the piston rod (205) vertically penetrates through and is slidably connected to the top end of the hydraulic sleeve (14), and one end of the piston rod (205) away from the piston block (203) is fixedly connected to the lower end face of the support seat (12).

3. The elevator installation buffer pile according to claim 2, characterized in that: The buffer assembly (2) further comprises a support ring (206) fixedly sleeved to the top outer side of the hydraulic sleeve (14), a first spring (207) is sleeved on the outer side of the piston rod (205), and the two ends of the first spring (207) are arranged between the upper end face of the support ring (206) and the lower end face of the support seat (12).

4. The elevator installation buffer pile according to claim 1, characterized in that: The inner wall of each of the two top rings (308) is fixedly connected with four limiting blocks (40) in a circular array, the inner wall of one side of each of the two mounting grooves (301) is vertically provided with four limiting grooves (41) in a circular array, the size of the limiting grooves (41) is adapted to that of the limiting blocks (40), and the two top rings (308) are respectively connected with the corresponding base (10) and the corresponding support seat (12) through the corresponding four limiting blocks (40).

5. The elevator installation buffer pile according to claim 1, characterized in that: The upper end face of the support seat (12) is fixedly connected with a shock pad (50).

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