CN204727379U - Lead-screw elevator - Google Patents

Lead-screw elevator Download PDF

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Publication number
CN204727379U
CN204727379U CN201520262082.7U CN201520262082U CN204727379U CN 204727379 U CN204727379 U CN 204727379U CN 201520262082 U CN201520262082 U CN 201520262082U CN 204727379 U CN204727379 U CN 204727379U
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CN
China
Prior art keywords
leading screw
motor
counterweight
lead
screw
Prior art date
Application number
CN201520262082.7U
Other languages
Chinese (zh)
Inventor
郭永平
李性慈
Original Assignee
胡国良
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 胡国良 filed Critical 胡国良
Priority to CN201520262082.7U priority Critical patent/CN204727379U/en
Application granted granted Critical
Publication of CN204727379U publication Critical patent/CN204727379U/en

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Abstract

The utility model provides a kind of lead-screw elevator.Described lead-screw elevator comprises leading screw engine installation, lifting rope, car and control housing, the two ends of described lifting rope connect described leading screw engine installation and described car respectively, described control housing is electrically connected with described leading screw engine installation, described leading screw engine installation comprises counterweight, motor, leading screw and feed rod, described counterweight is connected with described lifting rope, described motor is fixed on one end of described counterweight, described feed rod is located at the two ends of described leading screw respectively, described leading screw outer wall is provided with outside thread, described motor to be engaged with described leading screw by described outside thread and drives described counterweight back and forth to run along described leading screw direction, and then drive described car to be elevated by described lifting rope.The lead-screw elevator that the utility model provides improves the safety of elevator effectively, and structure is simple, is easy to produce, has larger market outlook and Practical significance.

Description

Lead-screw elevator

Technical field

The utility model belongs to elevator design technical field, relates to a kind of lead-screw elevator particularly.

Background technology

In modern society, along with skyscraper gets more and more, the application of elevator is more and more extensive.Can say, elevator has become indispensable transportation means in people's daily life.

At present, widely used elevator drives steel rope by actuating device (towing machine) traction, thus make lift car and move up and down focusing in elevator.But traction-driven mode makes described elevator there is elevator to squat the end and the potential danger of rushing to summit, and elevator to fall and the accident at the end of squatting happens occasionally from eminence in recent years.

Utility model content

In order to solve the problems of the technologies described above, the utility model embodiment discloses a kind of lead-screw elevator.

Described lead-screw elevator comprises leading screw engine installation, lifting rope, car and control housing, the two ends of described lifting rope connect described leading screw engine installation and described car respectively, described control housing is electrically connected with described leading screw engine installation, described leading screw engine installation comprises counterweight, motor, leading screw and feed rod, described counterweight is connected with described lifting rope, described motor is fixed on one end of described counterweight, described feed rod is located at the two ends of described leading screw respectively, described leading screw outer wall is provided with outside thread, described motor to be engaged with described leading screw by described outside thread and drives described counterweight back and forth to run along described leading screw direction, and then drive described car to be elevated by described lifting rope.

In the utility model one preferred embodiment, described feed rod outer wall is smooth outer wall, and described feed rod and described leading screw are structure as a whole.

In the utility model one preferred embodiment, described motor is fixed on the top of described counterweight, and described counterweight and described motor are provided with counterweight through hole and motor through hole along its vertical center line respectively, and described counterweight through hole overlaps with described motor through hole line of centers.

In the utility model one preferred embodiment, described leading screw runs through described motor and described counterweight respectively by described motor through hole and described counterweight through hole.

In the utility model one preferred embodiment, described motor comprises motor internal rotor, described leading screw runs through described motor internal rotor, and described motor internal rotor inwall is provided with negative thread, and described motor internal rotor is by the outside thread engaged transmission of described negative thread and described leading screw.

In the utility model one preferred embodiment, described leading screw engine installation also comprises a pair fixed pulley, and the parallel position be located near described lead-screw elevator top of described a pair fixed pulley, for supporting described lifting rope.

In the utility model one preferred embodiment, described a pair fixed pulley interval is arranged, and described interval makes the two ends of described lifting rope naturally droop overlaps with the vertical center line of described car and counterweight respectively afterwards.

The leading screw engine installation of the lead-screw elevator that the utility model provides drives described counterweight by the engaged transmission of described motor and described leading screw, and then drives described car to carry out dipping and heaving by described lifting rope.Described lead-screw elevator can improve the safety of elevator effectively, and structure is simple, is easy to produce, has larger market outlook and Practical significance.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:

Fig. 1 is the schematic diagram of lead-screw elevator one preferred embodiment that the utility model provides.

Detailed description of the invention

Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Referring to Fig. 1, is the schematic diagram of lead-screw elevator one preferred embodiment that the utility model provides.Described lead-screw elevator 1 runs in described hoistway 2, and described lead-screw elevator 1 comprises leading screw engine installation 11, lifting rope 13, a pair fixed pulley 15, car 17 and control housing 19.The two ends of described lifting rope 13 connect described leading screw engine installation 11 and described car 17 respectively, and described control housing 19 is electrically connected with described leading screw engine installation 11, and described a pair fixed pulley 15 supports described lifting rope 13.

Described leading screw engine installation 11 comprises counterweight 111, motor 113, leading screw 115 and a pair feed rod 117.Described motor 113 is fixed on one end of described counterweight 111, and described leading screw 115 runs through described motor 113 and described counterweight 111, and the two ends of described leading screw 115 are located at respectively by described a pair polished rod 117.

Described counterweight 111 connects described lifting rope 13, in order to balance the weight of described car 17.Described counterweight 111 is provided with counterweight through hole (not shown) along its vertical center line.Described leading screw 115 runs through described counterweight through hole, limits described counterweight 111 and moves along the direction of described leading screw 115.

Described motor 113 comprises motor internal rotor (not shown), and described motor is provided with motor through hole (not shown) along its vertical center line.Described motor through hole overlaps with described counterweight through hole line of centers, and described leading screw 115 runs through described motor through hole and described counterweight through hole respectively.Wherein, described leading screw 115 runs through described motor internal rotor, and described motor internal rotor inwall is provided with negative thread (not shown).In the present embodiment, described motor 113 is fixed on described counterweight 111 top.In other alternate embodiments, described motor 113 can be fixed on described counterweight 111 bottom, can also be fixed on the inside of described counterweight 111.

Described leading screw 115 outer wall is provided with outside thread (not shown).Described leading screw 115 is by described outside thread and described motor 113 engaged transmission.Particularly, described leading screw 115 is connected with a joggle by the negative thread of described outside thread and described motor internal rotor and realizes the engaged transmission of described leading screw 115 and described motor 113.

Described a pair polished rod 117 outer wall is smooth outer wall.One end of described a pair polished rod 117 is connected with described leading screw 115 respectively, and the other end of described a pair polished rod 117 is individually fixed in described hoistway 2.Preferably, described a pair polished rod 117 is structure as a whole with described leading screw 115.Alternately, described a pair lever 117 also can be Split type structure with described leading screw 115.

When described leading screw engine installation work, the motor internal rotor of described motor 113 rotates, according to the difference of described motor internal rotor hand of rotation, the engaged transmission of described motor internal rotor and described leading screw 115 makes described motor 113 move reciprocatingly along described leading screw 115 direction, and then drives described counterweight 111 along described leading screw 115 direction crank motion.If described motor 113 moves to the position of described a pair polished rod 117 along described leading screw 115 direction, due to described a pair polished rod 117 smooth surface can not with described motor internal rotor engaged transmission, therefore described motor 113 cannot carry out transmission of power and make described leading screw engine installation 11 not outputting power.

Described lifting rope 13 is for the transmission of power between described leading screw engine installation 11 and described car 17.

The position near described hoistway 2 top is fixed at the described opposing parallel interval of a pair fixed pulley 15.Interval between described a pair fixed pulley 15 makes the two ends of described lifting rope 13 naturally droop to overlap with the vertical line of centers of described counterweight 111 and described car 17 respectively afterwards.Described a pair fixed pulley 15 can support described lifting rope 13, can also change the sense of motion of described lifting rope 13, and then realizes described counterweight 111 and move with described car 17 OQ t.

Described car 17 has spatial accommodation, for carrying personnel and goods and materials.

Described control housing 19 is located at the top of described hoistway 2, for controlling the running of described lead-screw elevator 1.

Described hoistway 2 comprises machine room 21 and pit 23.The top of described hoistway 2 is located at by described machine room 21, and described pit 23 is located at the bottom of described hoistway 2.Described control housing 19 deposited by described machine room 21, and described pit 23 has certain depth and squats at the end in order to cushion elevator.In the present embodiment, the degree of depth of described pit 23 is 1500mm.Normally, described pit 23 can also comprise the energy disperser 231 be located at bottom described pit 23, and described energy disperser 231 can produce to the impulsive force of described car 17 effect alleviated, and alleviates the injury caused passenger in elevator at the elevator crouching end.

In addition, in the present embodiment, the weight range of described counterweight is 400kg-2000kg, and the operational speed range of described elevator is 0.3m/s-1.75m/s.

When described lead-screw elevator runs, described leading screw engine installation 11 is by the be connected with a joggle outputting power of described motor 113 with described leading screw 115, described leading screw engine installation 11 drives described lifting rope 13 to move, and described lifting rope 13 pulls described car 17 to be elevated in described hoistway 2.

Be not limited to the present embodiment, in other alternate embodiments, described hoistway 2 can also arrange shallow pit.The degree of depth >=the 320mm of described shallow pit, and described energy disperser can not be established bottom it.Because the two ends of the leading screw 113 of described lead-screw elevator 1 are respectively arranged with a pair polished rod 117, described a pair polished rod 117 can not be connected with a joggle with described motor 113, therefore the leading screw engine installation 11 of described lead-screw elevator 1 can not outputting power at described a pair feed rod 117 place, and this also just avoids described car 17 and to squat the possibility at the end from the source of Power output.

Compared to prior art, the leading screw engine installation 11 of the lead-screw elevator 1 that the utility model provides drives described counterweight 111 by described motor 113 with the engaged transmission of described leading screw 115, and then drives described car 17 to carry out dipping and heaving by described lifting rope 13.Described lead-screw elevator 1 can improve the safety of elevator effectively, and structure is simple, is easy to produce, has larger market outlook and Practical significance.

The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.

Claims (7)

1. a lead-screw elevator, comprise leading screw engine installation, lifting rope, car and control housing, the two ends of described lifting rope connect described leading screw engine installation and described car respectively, described control housing is electrically connected with described leading screw engine installation, it is characterized in that, described leading screw engine installation comprises counterweight, motor, leading screw and feed rod, described counterweight is connected with described lifting rope, described motor is fixed on one end of described counterweight, described feed rod is located at the two ends of described leading screw respectively, described leading screw outer wall is provided with outside thread, described motor to be engaged with described leading screw by described outside thread and drives described counterweight back and forth to run along described leading screw direction, and then drive described car to be elevated by described lifting rope.
2. lead-screw elevator according to claim 1, is characterized in that, described feed rod outer wall is smooth outer wall, and described feed rod and described leading screw are structure as a whole.
3. lead-screw elevator according to claim 1, it is characterized in that, described motor is fixed on the top of described counterweight, and described counterweight and described motor are provided with counterweight through hole and motor through hole along its vertical center line respectively, and described counterweight through hole overlaps with described motor through hole line of centers.
4. lead-screw elevator according to claim 3, is characterized in that, described leading screw runs through described motor and described counterweight respectively by described motor through hole and described counterweight through hole.
5. lead-screw elevator according to claim 4, it is characterized in that, described motor comprises motor internal rotor, and described leading screw runs through described motor internal rotor, described motor internal rotor inwall is provided with negative thread, and described motor internal rotor is by the outside thread engaged transmission of described negative thread and described leading screw.
6. lead-screw elevator according to claim 1, is characterized in that, described leading screw engine installation also comprises a pair fixed pulley, and the parallel position be located near described lead-screw elevator top of described a pair fixed pulley, for supporting described lifting rope.
7. lead-screw elevator according to claim 6, is characterized in that, described a pair fixed pulley interval is arranged, and described interval makes the two ends of described lifting rope naturally droop overlaps with the vertical line of centers of described car and counterweight respectively afterwards.
CN201520262082.7U 2015-04-27 2015-04-27 Lead-screw elevator CN204727379U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520262082.7U CN204727379U (en) 2015-04-27 2015-04-27 Lead-screw elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520262082.7U CN204727379U (en) 2015-04-27 2015-04-27 Lead-screw elevator

Publications (1)

Publication Number Publication Date
CN204727379U true CN204727379U (en) 2015-10-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104876092A (en) * 2015-04-27 2015-09-02 胡国良 Screw elevator and operating method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104876092A (en) * 2015-04-27 2015-09-02 胡国良 Screw elevator and operating method thereof

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GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20170217

Address after: 315040 room 233-3, building, No. 66, academician Road, high tech Zone, Zhejiang, Ningbo, China

Patentee after: Ningbo ever Elevator Technology Development Co., Ltd.

Address before: 528401 Guangdong city of Zhongshan province Xiyuan Fuhua Road Plaza and pavilion 18 buildings D

Patentee before: Hu Guoliang

C41 Transfer of patent application or patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151028

Termination date: 20170427

CF01 Termination of patent right due to non-payment of annual fee