CN211971441U

CN211971441U - Novel household screw platform elevator

Info

Publication number: CN211971441U
Application number: CN202020541846.7U
Authority: CN
Inventors: 王锦江; 楼林锋
Original assignee: HANGZHOU AODESEN ELEVATOR CO Ltd
Current assignee: HANGZHOU AODESEN ELEVATOR CO Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-20
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a novel domestic screw rod platform elevator, include: the device comprises a guide rail base, a guide rail, two rows of bearing channel steel, a tension pulley, a steel belt rope head, a backpack frame, a platform guide shoe, a platform frame, a platform plate, a safety clamp braking device, a motor, a coupler, a motor mounting plate assembly, a lower bearing seat, a lower guide wheel assembly, a sliding guide shoe, a screw, a limit protector, an upper guide wheel assembly, a screw upper fixing frame, an upper bearing seat, a speed limiter and an inner curtain wall. The utility model discloses drive screw rotates when the motor rotates, installs two positive and negative nuts on the screw rod and makes linear motion, and the relative motion is also made with the upper and lower leading wheel that the nut is connected in the drive to drag and draw the steel band shrink or the release of winding on the leading wheel, the distance of steel band shrink or release is 4 times of positive and negative nut relative operating distance, has shortened the use length of screw rod greatly, thereby has reduced production and maintenance cost by a wide margin.

Description

Novel household screw platform elevator

Technical Field

The utility model relates to a home use elevator field especially relates to a novel home use screw rod platform elevator.

Background

The current platform ladder driving mode has three kinds: the first is a traction type platform ladder, the second is a hydraulic drive platform ladder, and the third is a conventional screw type platform ladder. The conventional screw type platform ladder has the defects of low running speed, high noise, obvious jitter, high manufacturing cost and the like. In addition, the main bearing nut of the elevator in the form of the screw rod is extremely easy to wear in the operation process, and the later maintenance cost is high, so that the elevator in the structural form is not easy to frequently use. The hydraulic pump of hydraulic drive elevator noise is great during operation, and hydro-cylinder, oil pipe sealing member easily leak oil, the polluted environment, and pump station occupation space, the temperature of hydraulic oil risees easily, and the rising of oil temperature is changeed oil leak and ageing sealing member, and the fault rate increases, so this kind of structural style's elevator also is difficult frequently used. The traction type elevator has a high requirement on the top floor and the pit of the elevator shaft due to the existence of the counterweight, so the structure is not suitable for being used in a compound building.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a novel domestic screw rod platform elevator for overcome among the prior art elevator occupation space great, operating speed is slow, and the operation shake is obvious, and the noise is big, and the defect that the production and maintenance cost is high especially can satisfy the demand of installing the elevator in the middle of encircling type stair and the less building in well space of the needs of having built.

The utility model adopts the following technical scheme:

a novel domestic screw platform elevator, includes: the device comprises a guide rail base, a guide rail, two rows of bearing channel steel, a tension pulley, a steel belt rope head, a backpack frame, a platform guide shoe, a platform frame, a platform plate, a safety clamp braking device, a motor, a coupler, a motor mounting plate assembly, a lower bearing block, a lower guide wheel assembly, a sliding guide shoe, a screw, a limit protector, an upper guide wheel assembly, a screw upper fixing frame, an upper bearing block, a speed limiter and an inner curtain wall; the guide rails comprise two rows of main guide rails and two rows of auxiliary guide rails; the guide rail, the bearing channel steel and the tension wheel are arranged on the guide rail base; the steel belt rope head is arranged on a backpack frame, the backpack frame is connected with a platform guide shoe, and the platform guide shoe is clamped on the main guide rail; the safety gear braking device is arranged at the upper end of the backpack frame; the motor and the lower bearing seat are arranged on the motor mounting plate assembly, a motor shaft is connected with the screw rod through a coupler, and the motor mounting plate assembly is arranged on the bearing channel steel; the upper guide wheel assembly and the lower guide wheel assembly are arranged on the screw rod through two nuts with opposite threads, the upper guide wheel assembly comprises an upper guide wheel, the lower guide wheel assembly comprises a lower guide wheel, and the sliding guide shoes on the two sides are clamped on the auxiliary guide rail; the upper end of the screw is fixed on the screw upper fixing frame through the upper bearing seat; the speed limiter is arranged at any one of the left end and the right end of the fixed frame on the screw rod and is positioned on the same central line with the tension pulley; the upper end of the steel belt is fixed on the screw upper fixing frame through a steel belt rope head, the steel belt is sequentially wound on the lower guide wheel and the upper guide wheel, and the other end of the steel belt is fixed with the backpack frame through the steel belt rope head; the inner curtain wall is arranged between the backpack frame and the platform frame and is used for blocking the rear moving part; when the motor is started, the screw rod is driven to rotate, the upper guide wheel component and the lower guide wheel component which are arranged on the screw rod do up-and-down relative motion along the guide rail, and the steel belt wound on the upper guide wheel and the lower guide wheel is pulled to be wound and unwound, so that the platform is driven to move up and down along the guide rail.

Preferably, the guide rail base comprises a base plate, a bearing channel steel mounting bracket and a guide rail positioning clamping plate, wherein the base plate is integrally cut and formed; the bearing channel steel mounting bracket is fixed on the substrate through bolts, and the guide rail positioning clamping plate is welded on the substrate.

Preferably, the main guide rail and the auxiliary guide rail are symmetrically arranged on a central line and fixed on the bearing channel steel through guide rail pressing plates.

Preferably, the backpack frame comprises two parallel and symmetrically arranged platform straight beams, an upper cross beam which is perpendicular to the platform straight beams and connected between the upper ends of the two platform straight beams, a rope end mounting cross beam connected to the middle position of the two platform straight beams, a lower cross beam connected between the lower ends of the two platform straight beams, and four connecting components connected to two sides of the platform straight beams and used for connecting the platform frame; four car guide shoes arranged at the inner opening of the platform straight beam; four car guide shoes are symmetrically installed on the inner side of the platform straight beam, rollers of the two car guide shoes on the upper side face inwards, and rollers of the two car guide shoes on the lower side face outwards.

Preferably, the screw upper fixing frame comprises a forming channel steel, an upper bearing seat mounting plate and a speed limiter mounting plate; the screw upper fixing frame is arranged on the bearing channel steel and is adjusted horizontally through an adjusting bolt.

Preferably, the motor mounting plate assembly comprises a motor mounting plate, a lower bearing seat mounting plate, four sleeves and a left mounting bracket and a right mounting bracket.

Preferably, the lower bearing block comprises a bearing block shell, two deep groove ball bearings, a clamp spring for a shaft, a plane bearing and a seal head nut; the plane bearing is arranged between the seal head nut and the bearing seat shell and bears vertical load, and the two deep groove ball bearings bear radial force.

Preferably, the lower guide wheel assembly comprises a lower guide wheel base plate, a lower guide wheel clamping plate and a nut, the screw is located in front of the lower guide wheel, the upper guide wheel assembly comprises an upper guide wheel base plate, an upper guide wheel clamping plate and a nut, and the screw is located behind the upper guide wheel.

Preferably, the screw thread on the screw rod is divided into an upper section and a lower section, one section is left-handed, the other section is right-handed, the number of the nuts is two, one is left-handed and the other is right-handed, and the running directions are opposite.

Preferably, the limit protector comprises a damping ring, a fixing sleeve and a set screw, the damping ring is sleeved outside the fixing sleeve, and the fixing sleeve is fixedly connected to two sides of the screw rod through the set screw.

The utility model has the advantages that: 1. the four guide rails of the utility model are transversely arranged on a central line and fixed on the bearing channel steel through the pressing guide plate, thereby effectively saving the well space; 2. the guide rail and the bearing channel steel are arranged on the base provided with the positioning clamp, so that the installation is simple and efficient; 3. the bearing channel steel is used as a stress main body of the whole elevator and vertically extends to the top end of the well from the well foundation pit, so that the required number of the fixed supports is greatly reduced, and the problems that the middle of the stair, the floor slab is provided with a hole and the ring beam of the elevator is rarely arranged outdoors are solved; 4. the elevator adopts a structure that the screw drives the steel belt to drive, thereby effectively improving the running speed and riding comfort; 5. the utility model discloses the drive screw rotates when the motor rotates, and two positive and negative nuts installed on the screw rod do linear motion, drive the upper and lower leading wheel that is connected with the nut and also do relative motion, thereby drag and draw the steel band shrink or release of winding on the leading wheel, the distance that the steel band shrinks or releases is 4 times of positive and negative nut relative operating distance, has shortened the use length of screw rod greatly, thereby has reduced production and maintenance cost by a wide margin; 6. the elevator keeps the traditional overspeed protection device of the traction elevator, and the use safety of the elevator is ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic structural view of the upper fixing frame of the screw rod of the present invention;

FIG. 4 is a left side view of FIG. 3;

fig. 5 is a schematic structural view of an upper guide wheel assembly in the present invention;

fig. 6 is a schematic structural view of the middle and lower guide wheel assembly of the present invention;

fig. 7 is a schematic structural diagram of the motor mounting plate assembly of the present invention;

fig. 8 is a schematic structural view of a middle lower bearing seat of the present invention;

fig. 9 is a schematic structural diagram of the middle limit protector of the present invention;

FIG. 10 is a schematic view of the screw driving portion of the present invention in use;

in the figure: 1. a guide rail base; 2. a tension wheel; 3. a backpack frame; 4. a steel belt rope head; 5. a main guide rail; 6. a motor; 7. a coupling; 8. a lower bearing seat; 9. a lower guide wheel assembly; 10. a nut; 11. a screw; 13. a screw rod is fixed on a fixing frame; 14. a speed limiter; 15. an upper bearing seat; 16. a limit protector; 17. a steel belt; 18. a sliding guide shoe; 19. a motor mounting plate assembly; 20. a secondary guide rail; 21. a safety gear braking device; 22. a platform guide shoe; 23. bearing channel steel; 24. a platform frame; 25. a platform plate; 26. an upper guide wheel assembly; 81. a lower bearing housing; 82. a flat bearing; 83. a deep groove ball bearing; 84. a seal head nut; 91. a lower guide wheel base plate; 92. a lower guide wheel clamping plate; 93. a guide wheel; 131. a speed limiter mounting plate; 132. an upper bearing mounting plate; 133. forming channel steel; 161. a damping ring; 162. fixing a sleeve; 163. tightening the screw; 191. a motor mounting plate; 192. a sleeve; 193. a left mounting bracket and a right mounting bracket; 194. a lower bearing block mounting plate; 261. an upper guide wheel base plate; 262. an upper guide wheel clamping plate; 263. a guide wheel.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b): as shown in fig. 1 and 2, a novel household screw platform elevator comprises: the device comprises a guide rail base 1, a guide rail, two rows of bearing channel steel 23, a tension pulley 2, a steel belt rope head 4, a backpack frame 3, a platform guide shoe 22, a platform frame 24, a platform plate 25, a safety gear braking device 21, a motor 6, a coupler 7, a motor mounting plate assembly 19, a lower bearing seat 8, a lower guide wheel assembly 9, a sliding guide shoe 18, a screw 11, a limit protector 16, an upper guide wheel assembly 26, a screw upper fixing frame 13, an upper bearing seat 15, a speed limiter 14 and an inner curtain wall; the guide rails comprise two rows of main guide rails 5 and two rows of auxiliary guide rails 20; the guide rail, the bearing channel steel and the tension wheel are arranged on the guide rail base; the steel belt rope head is arranged on a backpack frame, the backpack frame is connected with a platform guide shoe, and the platform guide shoe is clamped on the main guide rail; the safety gear braking device is arranged at the upper end of the backpack frame; the motor and the lower bearing seat are arranged on the motor mounting plate assembly, a motor shaft is connected with the screw rod through a coupler, and the motor mounting plate assembly is arranged on the bearing channel steel; the upper guide wheel assembly and the lower guide wheel assembly are arranged on the screw rod through two nuts 10 with opposite threads, the upper guide wheel assembly comprises an upper guide wheel, the lower guide wheel assembly comprises a lower guide wheel, and the sliding guide shoes on the two sides are clamped on the auxiliary guide rail; the upper end of the screw is fixed on the screw upper fixing frame through the upper bearing seat; the speed limiter is arranged at any one of the left end and the right end of the fixed frame on the screw rod and is positioned on the same central line with the tension pulley; the upper end of the steel belt 17 is fixed on the screw upper fixing frame through a steel belt rope head, the steel belt is sequentially wound on the lower guide wheel and the upper guide wheel, and the other end of the steel belt is fixed with the backpack frame through the steel belt rope head; the inner curtain wall is arranged between the backpack frame and the platform frame and is used for blocking the rear moving part; when the motor is started, the screw rod is driven to rotate, the upper guide wheel component and the lower guide wheel component which are arranged on the screw rod do up-and-down relative motion along the guide rail, and the steel belt wound on the upper guide wheel and the lower guide wheel is pulled to be wound and unwound, so that the platform is driven to move up and down along the guide rail. The guide rail base comprises a base plate, a bearing channel steel mounting bracket and a guide rail positioning clamping plate, wherein the base plate is integrally cut and formed; the bearing channel steel mounting bracket is fixed on the substrate through bolts, and the guide rail positioning clamping plate is welded on the substrate. The main guide rail and the auxiliary guide rail are symmetrically arranged on a central line and are fixed on the bearing channel steel through the guide rail pressing plate. The backpack frame comprises two parallel and symmetrically arranged platform straight beams, an upper cross beam which is perpendicular to the platform straight beams and connected between the upper ends of the two platform straight beams, a rope head mounting cross beam connected to the middle position of the two platform straight beams, a lower cross beam connected between the lower ends of the two platform straight beams, and four connecting components connected to the two sides of the platform straight beams and used for connecting the platform frame; four car guide shoes arranged at the inner opening of the platform straight beam; four car guide shoes are symmetrically installed on the inner side of the platform straight beam, rollers of the two car guide shoes on the upper side face inwards, and rollers of the two car guide shoes on the lower side face outwards.

As shown in fig. 3 and 4, the upper screw fixing frame includes a formed channel steel 133, an upper bearing block mounting plate 132, and a speed governor mounting plate 131; the screw upper fixing frame is arranged on the bearing channel steel and is adjusted horizontally through an adjusting bolt.

As shown in fig. 7, the motor mounting plate assembly includes a motor mounting plate 191, a lower bearing seat mounting plate 194, four bushings 192, and left and right mounting brackets 193.

As shown in fig. 8, the lower bearing seat includes a bearing seat housing 81, two deep groove ball bearings 83, a snap spring for a shaft, a plane bearing 82, and a head nut 84; the plane bearing is arranged between the seal head nut and the bearing seat shell and bears vertical load, and the two deep groove ball bearings bear radial force.

As shown in fig. 5 and 6, the lower guide wheel assembly includes a lower guide wheel base plate 91, a lower guide wheel 93, a lower guide wheel clamping plate 92 and a nut 10, the screw rod 11 is positioned in front of the lower guide wheel, the upper guide wheel assembly includes an upper guide wheel base plate 261, an upper guide wheel 263, an upper guide wheel clamping plate 262 and a nut 10, and the screw rod 11 is positioned behind the upper guide wheel.

The screw thread on the screw rod is divided into an upper section and a lower section, one section is left-handed, the other section is right-handed, the number of the nuts is two, one left-handed and one right-handed, and the running directions are opposite.

As shown in fig. 9, the limit protector includes a damping ring 161, a fixing sleeve 162 and a set screw 163, the damping ring is sleeved outside the fixing sleeve, and the fixing sleeve is fixedly connected to both sides of the screw via the set screw.

As shown in the attached drawing 10, the utility model discloses drive screw rotates when the motor rotates, and linear motion is made to two positive and negative nuts installed on the screw rod, and the relative motion is also made with the upper and lower leading wheel that the nut is connected to the drive to drag and draw the steel band shrink or the release of winding on the leading wheel, the distance of steel band shrink or release is positive and negative nut relative operating distance's 4 times, and the distance that steel band shrink or release drove elevator platform lift is stopped the centre-to-centre spacing in the picture and subtracts 4 times of originated centre-to-centre spacing promptly.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims

1. The utility model provides a novel domestic screw rod platform elevator, characterized by, it includes: the device comprises a guide rail base, a guide rail, two rows of bearing channel steel, a tension pulley, a steel belt rope head, a backpack frame, a platform guide shoe, a platform frame, a platform plate, a safety clamp braking device, a motor, a coupler, a motor mounting plate assembly, a lower bearing block, a lower guide wheel assembly, a sliding guide shoe, a screw, a limit protector, an upper guide wheel assembly, a screw upper fixing frame, an upper bearing block, a speed limiter and an inner curtain wall; the guide rails comprise two rows of main guide rails and two rows of auxiliary guide rails; the guide rail, the bearing channel steel and the tension wheel are arranged on the guide rail base; the steel belt rope head is arranged on a backpack frame, the backpack frame is connected with a platform guide shoe, and the platform guide shoe is clamped on the main guide rail; the safety gear braking device is arranged at the upper end of the backpack frame; the motor and the lower bearing seat are arranged on the motor mounting plate assembly, a motor shaft is connected with the screw rod through a coupler, and the motor mounting plate assembly is arranged on the bearing channel steel; the upper guide wheel assembly and the lower guide wheel assembly are arranged on the screw rod through two nuts with opposite threads, the upper guide wheel assembly comprises an upper guide wheel, the lower guide wheel assembly comprises a lower guide wheel, and the sliding guide shoes on the two sides are clamped on the auxiliary guide rail; the upper end of the screw is fixed on the screw upper fixing frame through the upper bearing seat; the speed limiter is arranged at any one of the left end and the right end of the fixed frame on the screw rod and is positioned on the same central line with the tension pulley; the upper end of the steel belt is fixed on the screw upper fixing frame through a steel belt rope head, the steel belt is sequentially wound on the lower guide wheel and the upper guide wheel, and the other end of the steel belt is fixed with the backpack frame through the steel belt rope head; the inner curtain wall is arranged between the backpack frame and the platform frame and is used for blocking the rear moving part; when the motor is started, the screw rod is driven to rotate, the upper guide wheel component and the lower guide wheel component which are arranged on the screw rod do up-and-down relative motion along the guide rail, and the steel belt wound on the upper guide wheel and the lower guide wheel is pulled to be wound and unwound, so that the platform is driven to move up and down along the guide rail.

2. The novel household screw platform elevator as claimed in claim 1, wherein the guide rail base comprises a base plate, a bearing channel steel mounting bracket and a guide rail positioning clamping plate which are integrally cut and formed; the bearing channel steel mounting bracket is fixed on the substrate through bolts, and the guide rail positioning clamping plate is welded on the substrate.

3. The novel household screw platform elevator as claimed in claim 1, wherein the main guide rail and the auxiliary guide rail are symmetrically arranged on a central line and fixed on the bearing channel steel through a guide rail pressing plate.

4. The novel household screw platform elevator as claimed in claim 1, wherein the backpack frame comprises two parallel and symmetrically arranged platform straight beams, an upper cross beam perpendicular to the platform straight beams and connected between the upper ends of the two platform straight beams, a rope end mounting cross beam connected to the middle position of the two platform straight beams, a lower cross beam connected between the lower ends of the two platform straight beams, and four connecting components connected to the two sides of the platform straight beams and used for connecting the platform frame; four car guide shoes arranged at the inner opening of the platform straight beam; four car guide shoes are symmetrically installed on the inner side of the platform straight beam, rollers of the two car guide shoes on the upper side face inwards, and rollers of the two car guide shoes on the lower side face outwards.

5. The novel household screw platform elevator as claimed in claim 1, wherein the screw upper fixing frame comprises a formed channel steel, an upper bearing seat mounting plate and a speed limiter mounting plate; the screw upper fixing frame is arranged on the bearing channel steel and is adjusted horizontally through an adjusting bolt.

6. The novel household screw platform elevator as claimed in claim 1, wherein the motor mounting plate assembly comprises a motor mounting plate, a lower bearing seat mounting plate, four sleeves, a left mounting bracket and a right mounting bracket.

7. The novel household screw platform elevator as claimed in claim 1, wherein the lower bearing seat comprises a bearing seat shell, two deep groove ball bearings, a clamp spring for a shaft, a plane bearing and a seal nut; the plane bearing is arranged between the seal head nut and the bearing seat shell and bears vertical load, and the two deep groove ball bearings bear radial force.

8. The novel household screw platform elevator as claimed in claim 1, wherein the lower guide wheel assembly comprises a lower guide wheel base plate, a lower guide wheel clamping plate and a nut, the screw is located in front of the lower guide wheel, the upper guide wheel assembly comprises an upper guide wheel base plate, an upper guide wheel clamping plate and a nut, and the screw is located behind the upper guide wheel.

9. The novel household screw platform elevator as claimed in claim 1, wherein the screw thread on the screw is divided into an upper section and a lower section, one section is left-handed, the other section is right-handed, the number of the nuts is two, one left-handed and one right-handed, and the running directions are opposite.

10. The novel household screw platform elevator as claimed in claim 1, wherein the limit protector comprises a damping ring, a fixing sleeve and a set screw, the damping ring is sleeved outside the fixing sleeve, and the fixing sleeve is fixedly connected to two sides of the screw through the set screw.