CN214870238U - Device for disassembling door screw rod and end mounting seat bearing of passenger compartment of subway vehicle - Google Patents
Device for disassembling door screw rod and end mounting seat bearing of passenger compartment of subway vehicle Download PDFInfo
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- CN214870238U CN214870238U CN202120503063.4U CN202120503063U CN214870238U CN 214870238 U CN214870238 U CN 214870238U CN 202120503063 U CN202120503063 U CN 202120503063U CN 214870238 U CN214870238 U CN 214870238U
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- mounting seat
- positioning seat
- push rod
- passenger compartment
- bearing
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Abstract
The utility model discloses a subway vehicle guest room door lead screw and tip mount pad bearing detaching device, including positioning seat and push rod, the one end of positioning seat is provided with the confession the connecting hole that the push rod passed, just follow on the positioning seat the direction that the push rod pushed in is provided with the mount pad stopper. The device simple structure, operation are simple and easy, durable reliable, replace bare-handed location and heavy object and strike, and no safe risk can also realize the single operation, uses manpower sparingly and drops into, has reduced the maintenance degree of difficulty, has simplified the process of disassembling, has improved the efficiency that lead screw and tip mount pad bearing were disassembled, can also alleviate staff working strength, has practiced thrift the operation cost.
Description
Technical Field
The utility model relates to a subway vehicle guest room door part is disassembled and is equipped technical field, concretely relates to detaching device suitable for subway vehicle guest room door lead screw and tip mount pad bearing.
Background
The subway train passenger room door usually adopts the structure of sliding plug door, and its lead screw passes through the mount pad bearing and forms fixed support point and realize the rotation that is brought by the motor moment of torsion, and lead screw and mount pad bearing are interference fit, in daily disassembling process, need use the heavy object to strike the mount pad until lead screw and mount pad separation. In general application, the length of a door screw of a passenger compartment of a subway vehicle basically exceeds 1.8 m, the door screw belongs to a large-scale equipment structure, the material of the screw is 40Cr, the elastic modulus is 211GPa, the shear modulus is 80.5GPa, the surface salt bath sulfur nitrogen carbon co-cementation is carried out, the surface hardness is more than or equal to 600HV0.1, therefore, the whole screw is ensured not to be subjected to other shearing forces in the disassembly process, the bending of the screw is avoided, the straightness of the screw is ensured, and the screw is prevented from being broken. In the process of traditional disassembling, do not have fixed stay point, end shelves and fastening position, rely on a staff to seize the lead screw in one end bare-handed, another staff uses the heavy object to strike the lead screw mount pad toward the pine orientation of taking off, very easily makes mount pad, bearing and lead screw produce and warp, and the lead screw helicla flute is comparatively sharp, easy fish tail. Because of the lead screw is tighter with the installation of mount pad bearing installation, need strike the long time and just enable lead screw and mount pad bearing separation, it is consuming time longer, whole disassembling process needs 2 people concurrent operations moreover, consumes more manpower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a subway vehicle guest room door lead screw and tip mount pad bearing detaching device, but the device simple structure, operation are simple and easy, durable reliable, no safe risk, one-man operation, the input of using manpower sparingly.
In order to solve the above problem, the utility model discloses realize according to following technical scheme:
the utility model provides a pair of subway vehicle guest room door lead screw and tip mount pad bearing detaching device, including positioning seat and push rod, the one end of positioning seat is provided with the confession the connecting hole that the push rod passed, just follow on the positioning seat the direction that the push rod pushed in is provided with the mount pad stopper.
Further, the connecting hole is in threaded connection with the push rod.
Furthermore, the positioning seat is further provided with a supporting block, the supporting block is provided with a supporting hole for the push rod to pass through, the supporting hole and the connecting hole are coaxially arranged and have the same diameter, and the supporting block is arranged between the connecting hole and the mounting seat limiting block.
Furthermore, a positioning opening is formed in the upper end of the mounting seat limiting block, and the opening width of the positioning opening is not smaller than the diameter of the vehicle door screw rod.
Furthermore, a fixing plate is arranged at the bottom of the positioning seat, and a plurality of fixing holes are formed in the fixing plate.
Furthermore, a limiting structure is further arranged on the positioning seat.
Further, limit structure sets up in the bottom of positioning seat.
Furthermore, a reinforcing rib structure is further arranged on the positioning seat.
Further, the push rod comprises a rod part connected with the positioning seat, an end part thin rod is arranged at one end of the rod part connected with the positioning seat, the diameter of the end part thin rod is smaller than an inner hole of the end part mounting seat bearing, and the length of the end part thin rod is larger than the depth of the inner hole of the end part mounting seat bearing.
Further, one end, deviating from the positioning seat, of the push rod is provided with a handle.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a subway vehicle guest room door lead screw and tip mount pad bearing detaching device is through setting up positioning seat and push rod to make positioning seat be connected with the push rod through setting up the connecting hole on the positioning seat, when carrying out lead screw and tip mount pad bearing and disassemble, with tip mount pad bearing card in order to realize fixing a position and stopping the shelves at the mount pad stopper, push away the lead screw through promoting the push rod in order to realize the separation of disassembling of lead screw and tip mount pad bearing. The device has the advantages of simple structure, simple operation, durability, reliability, no safety risk, and capability of replacing bare-handed positioning and heavy object knocking. Through this device, can also realize one-man operation, be favorable to using manpower sparingly to drop into, reduced the maintenance degree of difficulty, simplified the process of disassembling, improved the efficiency that lead screw and tip mount pad bearing were disassembled, can also alleviate staff working strength, practiced thrift the operation cost.
Drawings
Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic structural view of a disassembling device for a screw rod and an end mounting seat bearing of a passenger compartment of a subway vehicle according to the present invention;
fig. 2 is a schematic structural diagram of the positioning seat of the present invention;
fig. 3 is a schematic side view of the positioning seat of the present invention;
fig. 4 is a schematic structural diagram of the push rod of the present invention;
in the figure:
1-positioning seat; 11-a connection hole; 12-a support block; 121-support holes; 13-mounting seat limiting block; 131-a positioning port; 14-a fixed plate; 141-fixing holes; 15-a limit structure; 16-a rib structure; 2-a push rod; 21-a rod part; 211-end pin; 22-a handle; 3-mounting a base bearing at the end; 4-a screw rod.
Detailed Description
In order that the above objects, features and advantages of the present application can be more clearly understood, a detailed description of the present application will be given below with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present application, and the described embodiments are merely a subset of the embodiments of the present application, rather than all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
As shown in fig. 1-4, a disassembling device for a screw rod of a door of a passenger compartment of a subway vehicle and a bearing of an end mounting seat comprises a positioning seat 1 and a push rod 2, wherein one end of the positioning seat 1 is provided with a connecting hole 11 for the push rod 2 to pass through, and a mounting seat limiting block 13 is arranged on the positioning seat 1 along the pushing direction of the push rod 2. In this embodiment, the connection hole 11 is in threaded connection with the push rod 2, that is, the positioning seat 1 and the push rod 2 are in nut pair fit, and the push-pull movement of the rotary push rod 2 is realized in a screw transmission manner. In concrete operation, fix a position lead screw 4 and its tip mount pad bearing 3 card on positioning seat 1, through rotatory push rod 2 for push rod 2 promotes forward, pushes away lead screw 4 forward, and tip mount pad bearing 3 is then blocked by the stopper, pushes away down at push rod 2's top, makes lead screw 4 and tip mount pad bearing 3 smooth separation, easy operation, light, can effectively guarantee moreover that lead screw 4 and tip mount pad bearing 3 are not damaged.
Specifically, the positioning seat 1 is further provided with a supporting block 12, the supporting block 12 is disposed between the connecting hole 11 and the mounting seat limiting block 13, the supporting block 12 is provided with a supporting hole 121, and the supporting hole 121 and the connecting hole 11 are coaxially designed and have the same diameter. Because of lead screw 4 length is big, and lead screw 4 extremely fastens with end mount pad bearing 3 installation, it just can promote to need great thrust, and the propulsion stroke is great, for preventing outside atress messenger push rod 2 skew propulsion direction, the holding hole 121 of this middle supporting shoe 12 and the connecting hole 11 of positioning seat 1, can retrain push rod 2 jointly and make push-and-pull motion on same axis direction all the time, effectively reduce the outside atress that makes push rod 2 skew propulsion direction, the life of device has been guaranteed to very big degree.
In this embodiment, the upper end of the mounting seat limiting block 13 is provided with a positioning opening 131, and the opening width of the positioning opening 131 is not smaller than the diameter of the door screw rod 4, so that the screw rod 4 can be placed in the positioning opening 131, and the effect of supporting the screw rod 4 is also achieved. When the screw rod 4 and the end part mounting seat bearing 3 are positioned, the mounting seat limiting block 13 is utilized to clamp the end part mounting seat bearing 3 to realize stop, and the screw rod 4 is placed in the positioning opening 131 at the moment so as to accurately position the screw rod 4 and the end part mounting seat bearing 3 on the positioning seat 1, thereby facilitating subsequent disassembly.
Preferably, in this embodiment, a fixing plate 14 is further provided at the bottom of the positioning seat 1, a plurality of fixing holes 141 are provided in the fixing plate 14, and the positioning seat 1 is fixedly mounted on a bench or other table by using a fixing member such as a bolt or a bolt, thereby facilitating the disassembling operation of large-scale equipment. More preferably, still be provided with limit structure 15 on the positioning seat 1, block or withstand bench vice platform or other mesas through this limit structure 15 to further guarantee the firm of positioning seat 1, avoid when disassembling the operation, positioning seat 1 takes place to remove and influence and disassemble the operation and normally go on, even take place the incident. In this embodiment, the limiting structure 15 is disposed at the bottom of the positioning seat 1, so as to be convenient for directly clamping the side edge of the bench or other table-boards, so that the positioning seat 1 can firmly clamp the edge of the bench or other table-boards, and the positioning seat 1 is prevented from moving when the push rod 2 pushes the screw rod 4.
As a preferred scheme, the positioning seat 1 is further provided with a reinforcing rib structure 16, in this embodiment, the reinforcing rib structures 16 are respectively arranged on two sides of the connecting hole 11, so as to ensure the strength of the connecting portion between the positioning seat 1 and the push rod 2, and enable the structure of the positioning seat 1 to better meet the requirement of use strength.
In this embodiment, the push rod 2 includes a rod portion 21 connected with the positioning seat 1, the rod portion 21 and the end connected with the positioning seat 1 are provided with an end thin rod 211, the diameter of the end thin rod 211 is smaller than the inner hole of the end mount bearing 3, and the length of the end thin rod 211 is greater than the inner hole depth of the end mount bearing 3, so that the push rod 2 can smoothly push the screw rod 4 out of the end mount bearing 3. As a preferred scheme, in this embodiment, the push rod 2 further includes a handle 22, the handle 22 is disposed at an end of the push rod 2 departing from the positioning seat 1, and by disposing the handle 22, an operator can rotate the push rod 2 to disassemble the screw rod 4.
While the preferred embodiments of the present invention have been described in detail, it should be understood that modifications and variations can be made by persons skilled in the art without inventive faculty, and in light of the above teachings. Therefore, the technical solutions according to the present invention, which can be obtained by logical analysis, reasoning or limited experiments based on the prior art, should be within the scope of protection defined by the claims.
Claims (10)
1. The device for disassembling the door screw rod and the end part mounting seat bearing of the passenger compartment of the subway vehicle is characterized by comprising a positioning seat and a push rod, wherein one end of the positioning seat is provided with a connecting hole for the push rod to pass through, and a mounting seat limiting block is arranged on the positioning seat along the pushing direction of the push rod.
2. The disassembling device for the door screw and the end mounting seat bearing of the passenger compartment of the metro vehicle according to the claim 1, wherein the connecting hole is in threaded connection with the push rod.
3. The disassembling device for the door screw and the end mounting seat bearing of the passenger compartment of the metro vehicle according to claim 1, wherein the positioning seat is further provided with a supporting block, the supporting block is provided with a supporting hole for the push rod to pass through, the supporting hole is coaxial with the connecting hole and has the same diameter as the connecting hole, and the supporting block is arranged between the connecting hole and the mounting seat limiting block.
4. The disassembling device suitable for the door screw and the end part mounting seat bearing of the passenger compartment of the metro vehicle according to claim 1, wherein a positioning opening is formed at the upper end of the mounting seat limiting block, and the opening width of the positioning opening is not less than the diameter of the door screw.
5. The disassembling device for the door screw and the end mounting seat bearing of the passenger compartment of the metro vehicle according to claim 1, wherein a fixing plate is arranged at the bottom of the positioning seat, and a plurality of fixing holes are formed in the fixing plate.
6. The disassembling device for the door screw rod and the end part mounting seat bearing of the passenger compartment of the metro vehicle according to the claim 1, wherein a limiting structure is further arranged on the positioning seat.
7. The disassembling device for the door screw and the end mounting seat bearing of the passenger compartment of the metro vehicle according to the claim 6, wherein the limiting structure is arranged at the bottom of the positioning seat.
8. The disassembling device for the door screw and the end mounting seat bearing of the passenger compartment of the metro vehicle according to claim 1, wherein a reinforcing rib structure is further arranged on the positioning seat.
9. The disassembling device for the door screw and the end mounting seat bearing of the passenger compartment of the metro vehicle according to claim 1, wherein the push rod comprises a rod part connected with the positioning seat, one end of the rod part connected with the positioning seat is provided with an end slender rod, the diameter of the end slender rod is smaller than the inner hole of the end mounting seat bearing, and the length of the end slender rod is larger than the depth of the inner hole of the end mounting seat bearing.
10. The disassembling device for the door screw and the end mounting seat bearing of the passenger compartment of the metro vehicle according to claim 1, wherein a handle is arranged at one end of the push rod, which is away from the positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503063.4U CN214870238U (en) | 2021-03-09 | 2021-03-09 | Device for disassembling door screw rod and end mounting seat bearing of passenger compartment of subway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503063.4U CN214870238U (en) | 2021-03-09 | 2021-03-09 | Device for disassembling door screw rod and end mounting seat bearing of passenger compartment of subway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214870238U true CN214870238U (en) | 2021-11-26 |
Family
ID=78857219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120503063.4U Active CN214870238U (en) | 2021-03-09 | 2021-03-09 | Device for disassembling door screw rod and end mounting seat bearing of passenger compartment of subway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214870238U (en) |
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2021
- 2021-03-09 CN CN202120503063.4U patent/CN214870238U/en active Active
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