CN213475079U - Elevator pit overhauls protection device - Google Patents
Elevator pit overhauls protection device Download PDFInfo
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- CN213475079U CN213475079U CN202022166478.5U CN202022166478U CN213475079U CN 213475079 U CN213475079 U CN 213475079U CN 202022166478 U CN202022166478 U CN 202022166478U CN 213475079 U CN213475079 U CN 213475079U
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Abstract
The utility model relates to an elevator pit maintenance protection device, which belongs to the elevator field and comprises a support pillar fixedly arranged on a pit, the top of the supporting column is provided with a buffer device, the buffer device comprises an installation column fixedly arranged on the top of the supporting column, the middle part of the mounting column is provided with a sliding chute along the axis of the mounting column, a supporting rod is inserted in the sliding chute in a way of sliding up and down, a gap is arranged between the bottom end of the supporting rod and the bottom end of the sliding chute to form a cavity, a first damping spring is sleeved on the supporting rod, the lower end of the first damping spring is fixedly arranged at the upper end of the mounting column, the upper cover of the support rod is provided with a protective cylinder, the protection cylinder is fixedly connected with the supporting rod, the upper end of the first damping spring is fixedly connected with the upper end of the protection cylinder, and the protection cylinder is slidably sleeved on the mounting column. The utility model discloses good buffering effect has.
Description
Technical Field
The utility model relates to an elevator field, in particular to elevator pit overhauls protection device.
Background
The elevator operation needs regular maintenance and daily maintenance, when doing maintenance and maintenance work, need elevator maintainer to enter into the elevator pit and operate many times, because the position that elevator maintainer during operation was located at the bottom of the elevator, if elevator car takes place to slide the tenesmus because of the trouble suddenly, weigh the maintainer easily, seriously probably cause the life danger, have serious personal safety threat. Patent document 201310507691.X discloses an elevator pit overhauling protection device which does not have a buffering effect, if a car drops onto a sliding rod, strong impact force is generated on the sliding rod, the sliding rod is easy to break, and the like, and the stability is poor; patent document 201720784628.4 discloses an elevator pit overhauls protection device, and the device structure is more complicated, and the part is more, and complicated part structure receives destruction easily and makes the maintainer in the pit receive the sputter fish tail of part piece when the car drops.
SUMMERY OF THE UTILITY MODEL
Based on this, there is a need for an elevator pit maintenance protection device, which comprises a support pillar fixedly disposed in the pit, the top of the supporting column is provided with a buffer device, the buffer device comprises an installation column fixedly arranged on the top of the supporting column, the middle part of the mounting column is provided with a sliding chute along the axis of the mounting column, a supporting rod is inserted in the sliding chute in a way of sliding up and down, a gap is arranged between the bottom end of the supporting rod and the bottom end of the sliding chute to form a cavity, a first damping spring is sleeved on the supporting rod, the lower end of the first damping spring is fixedly arranged at the upper end of the mounting column, the upper cover of the support rod is provided with a protective cylinder, the protection cylinder is fixedly connected with the supporting rod, the upper end of the first damping spring is fixedly connected with the upper end of the protection cylinder, and the protection cylinder is slidably sleeved on the mounting column.
The utility model discloses in, thereby the support column is buried underground in the bottom of pit and is fixed to be set up in the pit, and buffer on the support column is used for when the car descends buffering car to the impact of support column to prevent that the support column is crooked, fracture under the impact of car, thereby guarantee maintainer's safety.
In addition, first damping spring cover is established in a protective tube, can effectively avoid the foreign matter card in first damping spring's clearance to can guarantee that first damping spring can be compressed smoothly, and then can guarantee buffer device's shock-absorbing capacity.
Further, the top of support column still is provided with a supporting cylinder, a supporting cylinder encircles the erection column sets up just a supporting cylinder with the same central line setting of erection column, a supporting cylinder with the clearance has between the erection column and forms the annular groove of accomodating, a protection section of thick bamboo extends to in the holding tank, a protection section of thick bamboo the inside wall with the lateral wall counterbalance and slidable ground cooperation setting of erection column, the lateral wall cladding of a protection section of thick bamboo has the rubber layer, the rubber layer with the inside wall tight fit setting of a supporting cylinder just the rubber layer with the mutual sealing cooperation setting of erection column.
Wherein, the rubber layer on the supporting cylinder is compressed tightly on the supporting cylinder by the protection cylinder, and the friction between the supporting cylinder and the protection cylinder is great, can convert the kinetic energy of car into heat energy effectively, and then can effectively increase buffer effect of buffer, and in addition, the rubber layer on the supporting cylinder is compressed tightly on the supporting cylinder by the protection cylinder, can be so that the supporting cylinder and the protection cylinder mutually seal and cooperate to can prevent that steam from entering into the supporting cylinder and the protection cylinder in, and then can effectively prevent first damping spring corrosion, guarantee the utility model discloses a shock attenuation effect.
Further, the rubber layer is a silicone rubber layer.
Further, the outer side wall of the supporting rod and the inner side wall of the sliding groove are mutually attached.
The lateral wall of vaulting pole and the inside wall of spout laminate each other and set up then can make the cavity become a sealed cavity column structure relatively, when the bracing piece moved down, the air in the cavity can be compressed, and it can further increase the utility model discloses a buffering effect.
Further, still be provided with second damping spring in the annular holding tank, second damping spring cover is located the erection column, just second damping spring's upper end and lower extreme respectively in the lower extreme of a protection section of thick bamboo and the bottom fixed connection of annular holding tank.
The second damping spring is used for supporting a protection section of thick bamboo when a protection section of thick bamboo moves down, and in addition, the second damping spring is located a support section of thick bamboo inboard, can effectively avoid the second damping spring by the corrosion and avoid the foreign matter card to go into the clearance of second damping spring, and then can further improve the utility model discloses a buffering effect.
Further, the surface of the support column is coated with a concrete layer.
The concrete layer cladding can strengthen the holding power of support column on the surface of the part of the bottom that the support column spills the pit, can also prevent simultaneously that the support column from gathering in the ponding corrosion of pit, can avoid the support column impaired intensity in order to guarantee the support column. The supporting column, the mounting column, the protective cylinder, the supporting rod and the supporting cylinder are all supported by steel, and the mounting column and the supporting cylinder are welded on the supporting column.
Further, the concrete layer is arranged to cover the lower portion of the supporting cylinder.
Concrete layer includes support column and erection column simultaneously, can strengthen the connection structure's of support column and erection column intensity, prevents that this support column from bending impaired when being pushed down by the car with the connection structure of erection column, thereby can increase the utility model discloses an intensity.
Furthermore, reinforcing steel bars are embedded in the concrete layer.
The reinforcing steel bars are used for enhancing the strength of the concrete layer.
The principle and effect of the present invention will be further explained below with reference to the above technical solutions and the accompanying drawings:
the utility model discloses in, thereby the support column is buried underground in the bottom of pit and is fixed to be set up in the pit, and buffer on the support column is used for when the car descends buffering car to the impact of support column to prevent that the support column is crooked, fracture under the impact of car, thereby guarantee maintainer's safety.
In addition, first damping spring cover is established in a protective tube, can effectively avoid the foreign matter card in first damping spring's clearance to can guarantee that first damping spring can be compressed smoothly, and then can guarantee buffer device's shock-absorbing capacity.
Drawings
Fig. 1 is a schematic view of a cross-sectional structure of an elevator pit maintenance protection device according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of fig. 1.
Description of reference numerals:
1-a buffer device, 11-a mounting column, 111-a sliding chute, 12-a supporting rod, 13-a protective cylinder, 131-a rubber layer, 14-a first damping spring, 15-a supporting cylinder, 16-an annular accommodating groove, 17-a second damping spring, 2-a supporting column and 21-a concrete layer.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
referring to fig. 1-2, an elevator pit maintenance protection device comprises a support pillar 2 fixedly arranged in a pit, a buffer device 1 is arranged at the top of the support pillar 2, the buffer device 1 comprises an installation pillar 11 fixedly arranged at the top of the support pillar 2, a sliding groove 111 is formed in the middle of the installation pillar 11 along the axis of the installation pillar 11, a support rod 12 is inserted into the sliding groove 111 in a vertically sliding manner, a gap is formed between the bottom end of the support rod 12 and the bottom end of the sliding groove 111 to form a cavity, a first damping spring 14 is sleeved on the support rod 12, the lower end of the first damping spring is fixedly arranged at the upper end of the installation pillar 11, a protective cylinder 13 is covered on the support rod 12, the protective cylinder 13 is fixedly connected with the support rod 12, and the upper end of the first damping spring 14 is fixedly connected with the upper end of the protective cylinder 13, the protective cylinder 13 is slidably sleeved on the mounting post 11.
The utility model discloses in, thereby support column 2 buries underground the bottom of pit and fixes the setting in the pit, and buffer 1 on the support column 2 is used for buffering the car when the car descends and to support column 2's impact to prevent that support column 2 is crooked, fracture under the impact of car, thereby guarantee maintainer's safety.
In addition, the first damping spring 14 is sleeved in the protective cylinder 13, so that foreign matters can be effectively prevented from being clamped in the gap of the first damping spring 14, the first damping spring can be guaranteed to be compressed smoothly, and the buffering performance of the buffering device 1 can be guaranteed.
One of them embodiment, the top of support column 2 still is provided with a supporting cylinder 15, a supporting cylinder 15 encircles the erection column 11 sets up just a supporting cylinder 15 with the same central line setting of erection column 11, a supporting cylinder 15 with clearance formation annular accommodation groove 16 has between the erection column 11, a protection section of thick bamboo 13 extends to in the accommodation groove, the inside wall of a protection section of thick bamboo 13 with the lateral wall of erection column 11 offsets and slidable cooperation sets up, the lateral wall cladding of a protection section of thick bamboo 13 has rubber layer 131, rubber layer 131 with the inside wall close fit setting of a supporting cylinder 15 just rubber layer 131 with erection column 11 mutual seal cooperation sets up.
Wherein, the rubber layer 131 on the supporting cylinder 15 is compressed tightly on the supporting cylinder 15 by the protection cylinder 13, the friction between the supporting cylinder 15 and the protection cylinder 13 is great, can convert the kinetic energy of car into heat energy effectively, and then can effectively increase buffer effect of buffer device 1, in addition, the rubber layer 131 on the supporting cylinder 15 is compressed tightly on the supporting cylinder 15 by the protection cylinder 13, can be so that supporting cylinder 15 and protection cylinder 13 mutually sealed cooperate, thereby can prevent that steam from entering into supporting cylinder 15 and protection cylinder 13 in, and then can effectively prevent first damping spring 14 corrosion, guarantee the utility model discloses a shock attenuation effect.
In one embodiment, the rubber layer 131 is a silicone rubber layer 131.
In one embodiment, the outer sidewall of the support rod 12 is attached to the inner sidewall of the sliding groove 111.
The lateral wall of vaulting pole and the setting of laminating each other of the inside wall of spout 111 then can make the cavity become a cavity column structure sealed relatively, when bracing piece 12 moves down, the air in the cavity can be compressed, and it can further increase the utility model discloses a buffering effect.
In one embodiment, a second damping spring 17 is further disposed in the annular accommodating groove 16, the mounting post 11 is sleeved with the second damping spring 17, and the upper end and the lower end of the second damping spring 17 are respectively fixedly connected to the lower end of the protective cylinder 13 and the bottom of the annular accommodating groove 16.
Second damping spring 17 is used for supporting protection section of thick bamboo 13 when protection section of thick bamboo 13 moves down, and in addition, second damping spring 17 is located a support section of thick bamboo 15 inboardly, can effectively avoid second damping spring 17 by the corrosion and avoid the foreign matter card to go into in second damping spring 17's clearance, and then can further improve the utility model discloses a buffering effect.
In one embodiment, the surface of the supporting column 2 is covered with a concrete layer 21.
The cladding of concrete layer 21 can strengthen the holding power of support column 2 on the surface of the part of the bottom that support column 2 spills the pit, can also prevent simultaneously that support column 2 from being gathered in the ponding corrosion of pit, can avoid support column 2 impaired intensity in order to guarantee support column 2. Wherein, support column 2, erection column 11, a protection section of thick bamboo 13, bracing piece 12 and a support section of thick bamboo 15 all adopt steel to support, and erection column 11 and a support section of thick bamboo 15 welding are on support column 2.
In one embodiment, the concrete layer 21 covers the lower portion of the supporting cylinder 15.
In one embodiment, the concrete layer 21 is embedded with steel bars.
The reinforcing bars serve to reinforce the strength of the concrete layer 21.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. An elevator pit maintenance protection device is characterized by comprising a support pillar fixedly arranged in a pit, the top of the supporting column is provided with a buffer device, the buffer device comprises an installation column fixedly arranged on the top of the supporting column, the middle part of the mounting column is provided with a sliding chute along the axis of the mounting column, a supporting rod is inserted in the sliding chute in a way of sliding up and down, a gap is arranged between the bottom end of the supporting rod and the bottom end of the sliding chute to form a cavity, a first damping spring is sleeved on the supporting rod, the lower end of the first damping spring is fixedly arranged at the upper end of the mounting column, the upper cover of the support rod is provided with a protective cylinder, the protection cylinder is fixedly connected with the supporting rod, the upper end of the first damping spring is fixedly connected with the upper end of the protection cylinder, and the protection cylinder is slidably sleeved on the mounting column.
2. The elevator pit maintenance protection device of claim 1, wherein a supporting cylinder is further arranged at the top end of the supporting column, the supporting cylinder surrounds the mounting column and is arranged on the same center line as the mounting column, a gap is formed between the supporting cylinder and the mounting column to form an annular accommodating groove, the protection cylinder extends into the accommodating groove, the inner side wall of the protection cylinder is abutted to and slidably matched with the outer side wall of the mounting column, the outer side wall of the protection cylinder is coated with a rubber layer, the rubber layer is tightly matched with the inner side wall of the supporting cylinder, and the rubber layer is mutually matched with the mounting column in a sealing manner.
3. The elevator pit inspection and protection device of claim 2, wherein the rubber layer is a silicone rubber layer.
4. The elevator pit maintenance protection device of claim 2, wherein the outer side wall of the support rod and the inner side wall of the chute are attached to each other.
5. The elevator pit maintenance protection device of claim 2, wherein a second damping spring is further disposed in the annular accommodating groove, the second damping spring is sleeved on the mounting column, and an upper end and a lower end of the second damping spring are respectively fixedly connected to a lower end of the protective cylinder and a bottom of the annular accommodating groove.
6. The elevator pit inspection and protection device of claim 5, wherein the surface of the support pillar is coated with a concrete layer.
7. The elevator pit inspection and protection device of claim 6, wherein the concrete layer covers a lower portion of the support cylinder.
8. The elevator pit maintenance protection device of claim 6, wherein reinforcing steel bars are embedded in the concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022166478.5U CN213475079U (en) | 2020-09-28 | 2020-09-28 | Elevator pit overhauls protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022166478.5U CN213475079U (en) | 2020-09-28 | 2020-09-28 | Elevator pit overhauls protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213475079U true CN213475079U (en) | 2021-06-18 |
Family
ID=76365423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022166478.5U Active CN213475079U (en) | 2020-09-28 | 2020-09-28 | Elevator pit overhauls protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213475079U (en) |
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2020
- 2020-09-28 CN CN202022166478.5U patent/CN213475079U/en active Active
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