CN216918219U - Construction elevator rail wheel structure convenient to maintain - Google Patents
Construction elevator rail wheel structure convenient to maintain Download PDFInfo
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- CN216918219U CN216918219U CN202123419140.7U CN202123419140U CN216918219U CN 216918219 U CN216918219 U CN 216918219U CN 202123419140 U CN202123419140 U CN 202123419140U CN 216918219 U CN216918219 U CN 216918219U
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Abstract
The construction elevator track wheel structure convenient for maintenance comprises a lift car and a track; it also includes an orbital wheel assembly; the track wheel assembly comprises a connecting rod, a wheel seat and a track wheel B; the four groups of track wheel assemblies are distributed in a rectangular shape and are arranged between the back wall surface of the lift car and the tracks; in four groups of track wheel subassemblies, two groups of track wheel subassemblies that distribute in wall upper end behind the car respectively through the track wheel B that contains separately with correspond orbital outer cooperation portion roll fit, distribute in two groups of track wheel subassemblies of wall lower extreme behind the car respectively through the track wheel B that contains separately with correspond orbital interior cooperation portion roll fit. The utility model has the advantages that: the rail wheel B and the rail can not generate harsh friction noise in the mutual rolling matching process, the dependence on lubricating oil is reduced, and even if the using amount of the lubricating oil is reduced, the friction loss between the rail wheel B and the rail can not be influenced.
Description
Technical Field
The utility model relates to the field of safety devices of construction elevators, in particular to a construction elevator track wheel structure convenient to maintain.
Background
The construction elevator belongs to special engineering operation machinery and is used for transporting building materials and construction workers. The prior construction elevator rail wheel installation structure is shown in fig. 4-5, and comprises a car 1, a rail 2 and a rail wheel assembly. An inner cavity is arranged in the lift car 1, and an inlet and an outlet communicated with the inner cavity are arranged on the front wall surface 11 of the lift car 1. Two rails 2 are arranged in parallel to the lifting moving direction of the car 1 and are respectively positioned on two horizontal sides of the outer side of the back wall surface 12 of the car 1, an inner convex strip 23 is arranged on one side of the rail 2, which is over against the back wall surface 12 of the car 1, and an outer convex strip 24 is arranged on one side of the rail 2, which is back to the back wall surface 12 of the car 1. The track wheel assemblies are divided into a plurality of groups (four groups are shown in the figure), the four groups of track wheel assemblies are distributed in a rectangular shape and are arranged between the back wall surface 12 of the lift car 1 and the track 2, and every two groups of track wheel assemblies which are arranged up and down oppositely are arranged between the back wall surface 12 of the lift car 1 and the same track 2. The rail wheel assembly includes a horizontal bar 41, a pressing plate 42, and a rail wheel a 43. The horizontal rod 41 is fixedly mounted at its front end on the rear wall 12 of the car 1 and at its rear end extends horizontally perpendicularly to the rear wall 12 of the car 1 and outside the rear wall 12 of the car 1. The pressing plate 42 is fixedly connected to the rear end of the horizontal bar 41. Two rail wheels a43 are rotatably mounted at the upper and lower ends of the platen 42, respectively. In the four sets of track wheel assemblies shown in the figure, the two sets of track wheel assemblies distributed at the upper end of the rear wall surface 12 of the car 1 are respectively in rolling fit with the outer convex strips 24 of the two tracks 2 through the track wheels a43, and the two sets of track wheel assemblies distributed at the lower end of the rear wall surface 12 of the car 1 are respectively in rolling fit with the inner convex strips 23 of the two tracks 2 through the track wheels a 43.
During the operation of the construction elevator, a part of the weight of the car 1 is borne by the engagement of the gear and the rack, and the other part of the weight of the car 1 is distributed to the two rails 2 by the rail wheels a43 of the multiple sets of rail wheel assemblies in the manner of pressing force, and the directions of the pressing force are respectively shown by arrows in fig. 4.
The existing construction elevator rail wheel mounting structure has the following defects in actual use:
1. the track wheel A and the track are made of metal materials, friction is generated between the track wheel A and the track along with the up-and-down movement of the construction elevator, great noise can be generated, and the noise can be further increased along with the increase of the load (load) of the construction elevator, so that the use experience is influenced;
2. because the track wheel A and the track are made of metal materials, the friction force generated in the mutual rolling and matching process of the track wheel A and the track is large, the track wheel A is easy to scratch the track, and the friction force can be further increased along with the increase of the load (load) of the construction elevator, and a fixing bolt (a connecting piece between the track wheel A and a pressing plate) can be directly broken under extreme conditions, so that the track wheel A falls from high altitude, and huge potential safety hazards exist;
3. the weight of the lift car is supported on two rails through a plurality of groups of rail wheel assemblies, each group of rail wheel assemblies only comprises two rail wheels A, and after the rail wheels A are removed, the pressure plate tends to incline, so that the installation position is reduced, and a new rail wheel A is difficult to install;
4. the track wheel A and the track are made of metal materials, and the relative deformation allowance of the track wheel A and the track is extremely small in the mutual rolling and matching process, so that the bearing inside the track wheel A is easily damaged.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a construction elevator track wheel structure convenient to maintain, which solves the problems that the track wheel A of the conventional construction elevator is difficult to disassemble and assemble, the noise caused by the friction between the track wheel A and a track is large when the construction elevator runs, the track wheel or the track is damaged due to overlarge friction force between the track wheel A of the construction elevator and the track, and the bearing inside the track wheel A is easily damaged in the process of mutual rolling matching between the track wheel A and the track of the construction elevator.
The technical scheme of the utility model is as follows: the construction elevator track wheel structure convenient for maintenance comprises a car and a track; an inner cavity is arranged in the lift car, and an inlet and an outlet communicated with the inner cavity are arranged on the front wall surface of the lift car; the two rails are vertically arranged and are respectively positioned on two sides of the outer side of the back wall surface of the lift car, the surface of the rail, which is over against the back wall surface of the lift car, is provided with an inner matching part, and the surface of the rail, which is back to the back wall surface of the lift car, is provided with an outer matching part;
it also includes a rail wheel assembly; the track wheel assembly comprises a connecting rod, a wheel seat and a track wheel B; the front end of the connecting rod is fixedly arranged on the back wall surface of the lift car, and the rear end of the connecting rod horizontally extends out perpendicular to the back wall surface of the lift car and is positioned outside the back wall surface of the lift car; the wheel seat is fixedly connected with the rear end of the connecting rod; the number of the track wheels B is not less than two, and all the track wheels B are respectively rotatably arranged on the wheel seat from top to bottom;
the four groups of track wheel assemblies are distributed in a rectangular shape and are arranged between the back wall surface of the lift car and the track, wherein each two groups of track wheel assemblies which are arranged oppositely up and down are arranged between the back wall surface of the lift car and the same track; in four groups of track wheel subassemblies, two groups of track wheel subassemblies that distribute in wall upper end behind the car respectively through the track wheel B that contains separately with correspond orbital outer cooperation portion roll fit, distribute in two groups of track wheel subassemblies of wall lower extreme behind the car respectively through the track wheel B that contains separately with correspond orbital interior cooperation portion roll fit.
The further technical scheme of the utility model is as follows: the rail wheel B comprises a core rod, a bolt, a bearing, an end cover and a rubber wheel main body; the core rod is sequentially provided with a bolt connecting part, a wrench clamping part and a rubber wheel mounting part from one end to the other end, the end face of the bolt connecting part is provided with an axially extending screw hole, and the central line of the screw hole deviates from the central line of the core rod; one end of the bolt is connected in the screw hole of the core rod, and the other end of the bolt extends out of the screw hole and is fixedly connected to the wheel seat; the bearing is sleeved on the rubber wheel mounting part of the core rod; the end cover is fixedly connected to the end face of the rubber wheel mounting part of the core rod; the rubber wheel main part is cylindrical, a mounting hole penetrating through two end faces is formed in the middle of the rubber wheel main part, and the rubber wheel main part is sleeved on the bearing through the mounting hole and is located between the wrench clamping part and the rubber wheel mounting part.
The utility model further adopts the technical scheme that: the bearing is a needle bearing or a ball bearing.
The further technical scheme of the utility model is as follows: the track wheel B also comprises an oil seal; the quantity of oil blanket is two, and two oil blanket all suits are on the rubber tyer installation department of plug, and one of them is located between bearing and the spanner clamping part, and another is located between bearing and the end cover.
The further technical scheme of the utility model is as follows: an oil filling hole A is formed in the center of the end cover, an axially extending oil filling hole B is formed in the end face of the rubber wheel mounting part of the mandrel, a plurality of oil filling holes C are annularly distributed at the tail end of the oil filling hole B, and the oil filling holes C penetrate through the bearing inner ring; the oil filling hole A, the oil filling hole B and the oil filling hole C are sequentially communicated to form an oil filling channel.
The further technical scheme of the utility model is as follows: the outer circular surface of rubber tyer main part is equipped with the round recess, and is corresponding, orbital outer cooperation portion and interior cooperation portion are the bead that matches in the recess.
The further technical scheme of the utility model is as follows: two circles of oil storage tanks are arranged in the groove of the rail wheel B and are symmetrically arranged relative to the radial central plane of the rail wheel B.
The further technical scheme of the utility model is as follows: the rubber wheel mounting part of the core rod is provided with a clamping ring groove, and an elastic opening clamping ring is mounted in the clamping ring groove and used for preventing the bearing from being separated.
Compared with the prior art, the utility model has the following advantages:
1. convenient to detach and installation: when the number of the track wheels B in one group of track wheel assemblies is three or more, after one track wheel B is disassembled, at least two track wheels B are pressed on the track, so that the wheel seat does not incline, the installation position can be well kept, and the new track wheels B can be conveniently installed.
2. The reliability is good:
a. when the number of the track wheels B in one group of track wheel assemblies is three or more, the operation reliability and stability of the construction elevator are greatly improved, and the normal operation of the construction elevator cannot be influenced when a single track wheel B is damaged;
b. when the number of the track wheels B in one group of track wheel assemblies is three or more, the weight of the construction elevator is distributed on the track by more track wheels B, the pressing force applied to the track by a single track wheel B is reduced, the friction force when the track wheels B roll on the track is also reduced, and the probability of accidental damage of the track or the track wheels B is further reduced;
c. the rail wheel B is made of plastic materials, and certain deformable allowance exists in the process of mutual rolling and matching with the rail, so that vibration can be counteracted or buffered to a great extent, and the probability of accidental damage of a bearing in the rail wheel B is further reduced;
d. when the bearing in the rail wheel B is a needle bearing, the bearing has larger load bearing capacity and smaller radial size, the rubber wheel main body is thicker in adaptive design, and the structure is more compact and stable.
3. The noise is little: the rail wheel B is made of plastic materials, and the rail wheel B and the rail can not generate harsh friction noise in the mutual rolling matching process, so that the dependence on lubricating oil is reduced, and the friction loss between the rail wheel B and the rail can not be influenced even if the using amount of the lubricating oil is reduced.
4. The contact amount is convenient to adjust: the central line of screw deviates from the central line of plug, when the contact amount of rail wheel B and track needs to be adjusted, the spanner clamping part of plug is blocked by using the spanner, and the contact amount of rubber wheel main part and track can be adjusted by screwing the spanner to drive the rubber wheel main part to rotate.
The utility model is further described below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural view of a rail wheel B;
fig. 4 is a conventional construction elevator rail wheel mounting structure;
fig. 5 is a left side view of fig. 4.
A car 1; a front wall surface 11; a rear wall surface 12; a track 2; an inner fitting portion 21; an outer fitting portion 22; inner ribs 23; outer ribs 24; a connecting rod 31; a wheel seat 32; rail wheel B33; a bolt connecting portion 3311; a wrench grip portion 3312; a rubber wheel mounting portion 3313; a screw hole 3314; an oil filler hole B3315; an oil filler hole C3316; a bolt 332; a bearing 333; an end cap 334; a rubber wheel main body 335; a recess 3351; oil reservoir 3352; an oil seal 336; an elastic snap ring 337; a horizontal bar 41; a pressure plate 42; rail wheel a 43.
Detailed Description
Example 1:
as shown in fig. 1 to 3, a construction elevator rail wheel structure convenient for maintenance includes a car 1, a rail 2, and a rail wheel assembly.
An inner cavity is arranged in the lift car 1, and an inlet and an outlet communicated with the inner cavity are arranged on the front wall surface 11 of the lift car 1.
The two rails 2 are vertically arranged and are respectively positioned on two sides of the outer side of the back wall surface 12 of the car 1, the surface of the rail 2, which faces the back wall surface 12 of the car 1, is provided with an inner matching part 21, and the surface of the rail 2, which faces away from the back wall surface 12 of the car 1, is provided with an outer matching part 22.
The track wheel assemblies are four in number, the four track wheel assemblies are distributed in a rectangular shape and are arranged between the back wall surface 12 of the lift car 1 and the track 2, and every two track wheel assemblies which are arranged up and down in a right-facing mode are arranged between the back wall surface 12 of the lift car 1 and the same track 2. Among the four sets of track wheel assemblies, the two sets of track wheel assemblies distributed at the upper end of the rear wall surface 12 of the car 1 are respectively in rolling fit with the outer matching part 22 of the corresponding track 2 through the track wheels B33 respectively contained therein, and the two sets of track wheel assemblies distributed at the lower end of the rear wall surface 12 of the car 1 are respectively in rolling fit with the inner matching part 21 of the corresponding track 2 through the track wheels B33 respectively contained therein.
The rail-wheel assembly includes a connecting rod 31, a wheel base 32, and a rail-wheel B33.
The connecting rod 31 is fixedly mounted at its front end on the rear wall surface 12 of the car 1 and at its rear end extends horizontally perpendicularly to the rear wall surface 12 of the car 1 and outside the rear wall surface 12 of the car 1.
The wheel seat 32 is fixedly connected to the rear end of the connecting rod 31.
The number of the track wheels B33 is four, and the four track wheels B33 are respectively rotatably arranged on the wheel seat 31 from top to bottom. Rail wheel B33 includes a core rod, bolt 332, bearing 333, end cap 334, and rubber wheel body 335. The core rod is provided with a bolt connecting portion 3311, a wrench holding portion 3312, and a rubber wheel mounting portion 3313 in order from one end to the other end, and a screw hole 3314 extending in the axial direction is provided on an end face of the bolt connecting portion 3311, and a center line of the screw hole is deviated from a center line of the core rod. The bolt 332 has one end attached to the threaded bore 3314 of the core rod and the other end extending through the threaded bore 3314 and fixedly attached to the wheel base 32. The bearing 333 is fitted over the rubber wheel mounting portion 3313 of the mandrel. The end cap 334 is fixedly attached to the end face of the rubber wheel mounting portion 3313 of the mandrel. The rubber wheel main body 335 is cylindrical, and has a mounting hole in the middle thereof, the rubber wheel main body 335 is mounted on the bearing 333 through the mounting hole, and is located between the wrench holding portion 3312 and the rubber wheel mounting portion 3313.
Preferably, the bearing 333 is a needle bearing or a ball bearing.
Preferably, the rail wheel B33 further includes two oil seals 336, and each of the two oil seals 336 is sleeved on the rubber wheel mounting portion 3313 of the mandrel, one of the two oil seals 336 is located between the bearing 333 and the wrench clamping portion 3312, and the other oil seal 336 is located between the bearing 333 and the end cap 334.
Preferably, an oil hole a3341 is formed in the center of the end cap 334, an axially extending oil hole B3315 is formed in the end surface of the rubber wheel mounting portion 3313 of the mandrel, a plurality of oil holes C3316 are annularly distributed at the end of the oil hole B3315, and the oil holes C penetrate through the bearing inner ring. The oil filling hole A3341, the oil filling hole B3315 and the oil filling hole C are communicated in sequence to form an oil filling channel. The lubrication of the bearing 333 may be provided by injecting lubrication oil through the oil injection passage.
Preferably, the rubber wheel main body 335 has a circle of grooves 3351 on its outer circumferential surface, and correspondingly, the outer fitting portion 22 and the inner fitting portion 21 of the rail 2 are both ribs matching with the grooves 3351.
Preferably, two rings of reservoirs 3352 are provided in recess 3351 of rail wheel B33, with two rings of reservoirs 3352 being symmetrically disposed about the radial center plane of rail wheel B. The oil storage groove 3352 is provided to store a certain amount of lubricating oil, which can play a role in lubricating when the rail wheel B33 runs, and whether the rubber wheel main body 335 of the rail wheel B33 is worn can be known by observing whether the depth of the oil storage groove 3352 becomes shallow.
Preferably, a snap ring groove is formed on the rubber wheel mounting portion 3313 of the mandrel bar, and an elastic snap ring 337 is mounted in the snap ring groove to prevent the bearing 333 from coming off.
Claims (8)
1. The construction elevator track wheel structure convenient for maintenance comprises a lift car and a track; an inner cavity is arranged in the lift car, and an inlet and an outlet communicated to the inner cavity are formed in the front wall surface of the lift car; the two rails are vertically arranged and are respectively positioned on two sides of the outer side of the back wall surface of the lift car, the surface of the rail, which is over against the back wall surface of the lift car, is provided with an inner matching part, and the surface of the rail, which is back to the back wall surface of the lift car, is provided with an outer matching part;
the method is characterized in that: it also includes a rail wheel assembly; the track wheel assembly comprises a connecting rod, a wheel seat and a track wheel B; the front end of the connecting rod is fixedly arranged on the back wall surface of the lift car, and the rear end of the connecting rod horizontally extends out perpendicular to the back wall surface of the lift car and is positioned outside the back wall surface of the lift car; the wheel seat is fixedly connected with the rear end of the connecting rod; the number of the track wheels B is not less than two, and all the track wheels B are respectively rotatably arranged on the wheel seat from top to bottom;
the four groups of track wheel assemblies are distributed in a rectangular shape and are arranged between the back wall surface of the lift car and the track, wherein each two groups of track wheel assemblies which are arranged oppositely up and down are arranged between the back wall surface of the lift car and the same track; in four groups of track wheel subassemblies, two groups of track wheel subassemblies that distribute in wall upper end behind the car respectively through the track wheel B that contains separately with correspond orbital outer cooperation portion roll fit, distribute in two groups of track wheel subassemblies of wall lower extreme behind the car respectively through the track wheel B that contains separately with correspond orbital interior cooperation portion roll fit.
2. The conveniently maintained construction elevator rail wheel structure as set forth in claim 1, wherein: the rail wheel B comprises a core rod, a bolt, a bearing, an end cover and a rubber wheel main body; the core rod is sequentially provided with a bolt connecting part, a wrench clamping part and a rubber wheel mounting part from one end to the other end, the end face of the bolt connecting part is provided with an axially extending screw hole, and the central line of the screw hole deviates from the central line of the core rod; one end of the bolt is connected in the screw hole of the core rod, and the other end of the bolt extends out of the screw hole and is fixedly connected to the wheel seat; the bearing is sleeved on the rubber wheel mounting part of the core rod; the end cover is fixedly connected to the end face of the rubber wheel mounting part of the core rod; the rubber wheel main part is cylindrical, a mounting hole penetrating through two end faces is formed in the middle of the rubber wheel main part, and the rubber wheel main part is sleeved on the bearing through the mounting hole and is located between the wrench clamping part and the rubber wheel mounting part.
3. The conveniently maintained construction elevator rail wheel structure as set forth in claim 2, wherein: the bearing is a needle bearing or a ball bearing.
4. The conveniently maintained construction elevator rail wheel structure of claim 3, wherein: the track wheel B also comprises an oil seal; the quantity of oil blanket is two, and two oil blanket all suits are on the rubber tyer installation department of plug, and one of them is located between bearing and the spanner clamping part, and another is located between bearing and the end cover.
5. The conveniently maintained construction elevator rail wheel structure of any one of claims 2 to 4, wherein: an oil filling hole A is formed in the center of the end cover, an axially extending oil filling hole B is formed in the end face of the rubber wheel mounting part of the mandrel, a plurality of oil filling holes C are annularly distributed at the tail end of the oil filling hole B, and the oil filling holes C penetrate through the bearing inner ring; the oil filling hole A, the oil filling hole B and the oil filling hole C are sequentially communicated to form an oil filling channel.
6. The conveniently maintained construction elevator rail wheel structure of claim 5, wherein: the outer circular surface of rubber tyer main part is equipped with the round recess, and is corresponding, orbital outer cooperation portion and interior cooperation portion are the bead that matches in the recess.
7. The conveniently maintained construction elevator rail wheel structure of claim 6, wherein: two circles of oil storage tanks are arranged in the groove of the rail wheel B and are symmetrically arranged relative to the radial center plane of the rail wheel B.
8. The conveniently maintained construction elevator rail wheel structure of claim 7, wherein: the rubber wheel mounting part of the core rod is provided with a clamping ring groove, and an elastic opening clamping ring is mounted in the clamping ring groove and used for preventing the bearing from being separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123419140.7U CN216918219U (en) | 2021-12-31 | 2021-12-31 | Construction elevator rail wheel structure convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123419140.7U CN216918219U (en) | 2021-12-31 | 2021-12-31 | Construction elevator rail wheel structure convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216918219U true CN216918219U (en) | 2022-07-08 |
Family
ID=82256763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123419140.7U Active CN216918219U (en) | 2021-12-31 | 2021-12-31 | Construction elevator rail wheel structure convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216918219U (en) |
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2021
- 2021-12-31 CN CN202123419140.7U patent/CN216918219U/en active Active
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