CN214569958U - Novel indoor construction elevator - Google Patents

Abstract

The utility model discloses a novel indoor construction elevator, include: the elevator comprises a car, gears arranged at two ends of the top of the car, a rack meshed with each gear, and a plurality of supporting and adjusting pieces, wherein the racks are vertically arranged, each supporting and adjusting piece comprises a sleeve and a pair of studs screwed at two ends of the sleeve, the spiral directions of the studs are opposite, one stud of the studs is fixedly connected with the wall of an elevator shaft, and the other stud is fixedly connected with one rack; the gear is driven by a motor. The utility model can flexibly adjust the bracket aiming at the slightly inclined elevator shaft wall surface, is convenient for the guide rail to be vertically installed, and ensures that the guide rail is kept in a vertical state when the track detector works in the elevator running process; the guide rail rack is arranged on the wall of the indoor elevator shaft, so that the danger of collapse of the traditional outdoor elevator frame body is effectively avoided; the guide rail is provided with the derailing prevention device and the falling prevention device, so that the danger of falling of the lift car is effectively avoided; thereby ensuring the safety and stability of the indoor construction elevator.

Description

Novel indoor construction elevator

Technical Field

The utility model relates to a construction elevator equipment field. More specifically speaking, the utility model relates to a novel indoor construction elevator.

Background

In construction work, construction elevators are often arranged outdoors. The safety accidents of outdoor construction elevators are frequently reported, and each time the safety accident happens, a serious accident of group death and group injury is easily caused, so that countless families are broken, enterprises bear serious economic impact, the social influence is severe, and the indoor construction elevators are generated by avoiding the collapse of elevator supports and the falling accidents of lift cars. The indoor construction elevator is characterized in that a lift car and a lift car lifting device are arranged on the inner wall of an indoor elevator shaft, and building materials and constructors can be conveniently transported. But current indoor construction elevator is only to be connected the guide rail through support and elevator shaft wall, and this kind of guide rail only is fit for the elevator shaft wall and is the situation of vertical face, and during the in-service use, most elevator shaft wall is not vertical face, but the face that slightly inclines, does not have the indoor construction elevator that sets up to the elevator shaft wall on inclined plane at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve at least above-mentioned problem to a novel indoor construction elevator is provided, to the elevartor shaft wall of slight slope, can adjust the support in a flexible way, make the guide rail perpendicular, guarantee indoor construction elevator's security and stability.

In order to achieve these objects and other advantages in accordance with the purpose of the invention, a novel indoor construction elevator is provided, including:

the elevator car comprises a car body, gears arranged at two ends of the top of the car body, a rack meshed with each gear, and a plurality of supporting and adjusting pieces, wherein the racks are vertically arranged, each supporting and adjusting piece comprises a sleeve and a pair of studs screwed at two ends of the sleeve, the spiral directions of the studs are opposite, one stud in the studs is fixedly connected with the wall of the elevator shaft, and the other stud is fixedly connected with one rack;

wherein the gear is driven by a motor.

Preferably, one of the studs in the pair of studs is fixedly connected with the wall of the elevator shaft through the mounting plate, and the other stud is fixedly connected with one rack through the other mounting plate.

Preferably, still include the anticreep rail spare that corresponds with every rack, every anticreep rail spare is including establishing separately a pair of auxiliary guide rail, sliding connection in guide pulley on every auxiliary guide rail, the branch of rigid coupling on every guide pulley of rack both sides, wherein, auxiliary guide rail sets up along corresponding rack direction of height, branch with the car rigid coupling.

Preferably, the rack comprises a plurality of sub-racks connected in sequence, and two ends of each sub-rack are connected with a supporting and adjusting part.

Preferably, car top both ends all are equipped with a pair of gear, and a pair of gear sets gradually from top to bottom, a pair of gear all with the same rack toothing who corresponds.

Preferably, a fixing plate is fixedly connected to one end face of each stud, and the fixing plate is fixedly connected with the corresponding mounting plate; a limiting sleeve is coaxially sleeved outside the stud, one end face of the limiting sleeve is fixedly connected with the fixing plate, annular grooves coaxial with the sleeve are formed in the two end faces of the sleeve, and when the stud is screwed into the sleeve, the limiting sleeve is inserted into the annular grooves, and the upper top surface and the lower top surface of the limiting sleeve are not in contact with the inner wall of the annular groove; the circular groove side wall is provided with a mounting groove near the notch, the mounting groove is radially arranged along the sleeve, a clamping column is coaxially arranged in the mounting groove, the diameter of the clamping column is slightly smaller than the inner diameter of the mounting groove, pulleys are arranged near the edge at the two ends of the bottom surface of the clamping column, a limiting column is arranged at one surface of the clamping column facing the bottom surface of the mounting groove, a through hole penetrating through the bottom surface of the mounting groove is formed, the diameter of the through hole is slightly larger than that of the limiting column, one end of the limiting column penetrates through the through hole to extend out of the sleeve, a spring is coaxially sleeved on the limiting column, the inner diameter of the spring is larger than that of the through hole, a limiting groove is arranged along the circumferential direction at one end of the limiting sleeve, which is far away from the fixed plate, the distance between one end of the limiting groove and the fixed plate is smaller than the distance between the end surface of the stud, which is far away from the fixed plate, and the fixed plate, the groove width of the limiting groove is slightly larger than the diameter of the clamping column.

Preferably, the coaxial internal thread hole that runs through that is equipped with in the card post, spacing post is kept away from the one end of through-hole is equipped with the external screw thread, the external screw thread with the internal thread phase-match in internal thread hole, the one end spiro union that spacing post has the external screw thread advances in the internal thread hole.

Preferably, the inner wall of the through hole is provided with a sliding block, the limiting column is provided with a limiting sliding groove, and the sliding block is matched with the limiting sliding groove.

Preferably, a pair of auxiliary guide rails is mounted on a mounting plate fixedly connected to the rack.

Preferably, the bottom of the elevator shaft is provided with a spring buffer.

The utility model discloses at least, include following beneficial effect:

firstly, the utility model discloses a design car, gear, rack, sleeve, double-screw bolt, motor, can be according to actual conditions, rotatory sleeve makes a plurality of double-screw bolts that are connected with same rack move forward or backward, through the horizontal position of a plurality of double-screw bolts on the adjustment rack, makes the one end that a plurality of double-screw bolts that are connected with same rack kept away from the elevator wall of a well be located same vertical face, and then obtains vertical rack; the device is reasonable in design on the whole, improves the accuracy of the device in the installation process, and finally improves the safety of the device.

Second, the utility model discloses a design auxiliary guide rail, guide pulley, branch can prevent that the gear from reciprocating the in-process along the rack, breaking away from the rack and causing the incident, improved the security of device.

Thirdly, the utility model discloses a design fixed plate, stop collar, ring channel, mounting groove, card post, pulley, spacing post, through-hole, spring, spacing groove, in the process that rotatory sleeve made the double-screw bolt of being connected with the rack move outwards, the pulley on the card post moved along the stop collar outer wall, when the double-screw bolt moved to be about to break away from the sleeve, the card post also moved to spacing groove department, under the rebound effect of spring, the card post stretched into to spacing inslot, was connected sleeve and spacing collar, and then made sleeve and double-screw bolt be connected, can prevent that the double-screw bolt from breaking away from the sleeve; when the stud is required to be detached from the sleeve, the limiting column can be lifted to enable the clamping column to retract into the mounting groove, then the sleeve is rotated to enable the stud to be separated from the sleeve, an integrated object consisting of the stud, the limiting sleeve and the fixing plate can be conveniently detached and stored, the stud, the limiting sleeve and the fixing plate can be repeatedly used, and the practicability of the device is improved; the whole reasonable in design has avoided the double-screw bolt to break away from the installation effectiveness decline that the sleeve caused in the removal process.

Fourth, the utility model discloses an internal thread hole that the design runs through on the card post and design the external screw thread on spacing post, after the position of double-screw bolt has been adjusted, rotatable spacing post, make spacing post along internal thread hole downstream to spacing toe cap's outer wall tight butt, realize being connected of sleeve and spacing sleeve, and then restricted the sleeve along circumferential direction, avoid at the in-process of elevator installation, the staff touches the sleeve by accident, make its rotation, and then the position of the double-screw bolt that has adjusted has been influenced, finally influence the straightness that hangs down of rack, the stability of device has been improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a front view of the novel indoor construction elevator according to one of the technical solutions of the present invention;

fig. 2 is a top view of the novel indoor construction elevator according to one of the technical solutions of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

fig. 5 is a schematic structural view of one of the inner walls of the car according to one of the technical solutions of the present invention;

fig. 6 is a schematic structural view of a pair of studs and the sleeve in a screw connection according to one of the technical solutions of the present invention;

fig. 7 is a side sectional view of the sleeve according to one embodiment of the present invention;

fig. 8 is a front view of a connecting structure of the position-limiting sleeve and the fixing plate according to one of the technical solutions of the present invention;

FIG. 9 is an enlarged view taken at A in FIG. 6;

FIG. 10 is an enlarged view of FIG. 7 at B;

fig. 11 is a sectional view of a connection structure of the limit post and the clamp post according to one of the technical solutions of the present invention.

Reference numerals: 1-elevator shaft wall; 2-a car; 3, mounting a plate; 4-a rack; 5-a gear; 6-a sleeve; 7-a first stud; 8-a second stud; 9-a motor; 10-an auxiliary rail; 11-a guide wheel; 12-a strut; 13-a spring damper; 14-skylight of upper person; 15-climbing a ladder; 16-a control box; 17-an orbit detector; 18-a scram switch; 19-fixing the plate; 20-a limiting sleeve; 21-an annular groove; 22-a limiting groove; 23-mounting grooves; 24-a limit post; 25-clamping column; 26-a pulley; 27-a spring; 28-a pulling plate; 29-a limiting chute; 30-an internal threaded hole; 31-screw holes; 32-electric distribution box.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-11, the utility model provides a novel indoor construction elevator, include:

the elevator car comprises a car 2, gears 5 arranged at two ends of the top of the car 2, a rack 4 meshed with each gear 5 and a plurality of supporting and adjusting pieces, wherein the rack 4 is vertically arranged, each supporting and adjusting piece comprises a sleeve 6 and a pair of studs screwed at two ends of the sleeve 6, the spiral directions of the studs are opposite, one stud in the studs is fixedly connected with an elevator shaft wall 1, and the other stud is fixedly connected with one rack 4;

wherein the gear 5 is driven by a motor 9;

in the technical scheme, each gear 5 is coaxially and fixedly connected with an output shaft of a motor 9, the gears 5 are driven to rotate by the motors 9, so that the gears 5 move up and down along the racks 4, and finally the lift car 2 is driven to move up and down, so that the building materials or building personnel can be conveniently conveyed; a screw hole 31 is formed in the sleeve 6, the spiral directions of internal threads at two ends of the screw hole 31 are opposite, a pair of studs are respectively a first stud 7 and a second stud 8, the spiral directions of the first stud 7 and the second stud 8 are opposite, external threads on the first stud 7 and the second stud 8 are respectively matched with the internal threads at two ends of the screw hole 31, the first stud 7 and the second stud 8 are respectively screwed into the corresponding end parts of the sleeve 6, when the sleeve 6 is rotated, the second stud 8 moves forwards or backwards, and the horizontal distance between the rack 4 and the elevator shaft wall 1 can be adjusted; the first stud 7 is fixedly connected with the elevator shaft wall 1 in a mode that a hole is formed in the elevator shaft wall 1, the first stud 7 is inserted into the hole and is injected with viscous materials to be fixedly connected and blocked, or a steel plate is arranged between the elevator shaft wall 1 and the first stud 7 and fixedly connected with the elevator shaft wall 1 through expansion bolts, and the first stud 7 is welded on the steel plate; the second stud 8 is fixedly connected with a rack 4, and the fixedly connected mode can be welding or screw connection;

in the technical scheme, in the using process, a first stud 7 is fixedly connected with an elevator shaft wall 1, in the fixedly connecting process, the first stud 7 is kept horizontal through measurement, at the moment, a sleeve 6, the first stud 7 and a second stud 8 are all horizontal, the sleeve 6 is rotated to enable the second stud 8 to move forwards or backwards, the horizontal positions of a plurality of second studs 8 connected with the same rack 4 are adjusted, one ends of the second studs far away from the elevator shaft wall 1 are located on the same vertical plane, and finally the rack 4 is fixedly connected with the second studs 8 to obtain a vertical rack 4;

adopt this technical scheme, the beneficial effect who obtains is through designing car 2, gear 5, rack 4, sleeve 6, double-screw bolt, motor 9, through the horizontal position of a plurality of second double-screw bolts 8 on the adjustment rack 4, can make a plurality of second double-screw bolts 8 with that one end that rack 4 is connected is located same vertical face, obtains vertical rack 4, has improved the accuracy nature of this device in the installation, has guaranteed gear 5 along rack 4 vertical movement from top to bottom, and reasonable in design has on the whole, has improved the accuracy nature of this device in the installation, has finally improved construction elevator's security.

In another technical scheme, one of the studs in a pair of studs is fixedly connected with the elevator shaft wall 1 through a mounting plate 3, and the other stud is fixedly connected with a rack 4 through the other mounting plate 3; specifically, a first stud 7 is fixedly connected with an elevator shaft wall 1 through a mounting plate 3, a second stud 8 is fixedly connected with a rack 4 through another mounting plate 3, wherein the mounting plate 3 is fixedly connected with the elevator shaft wall 1 through an expansion bolt, the first stud 7 and the second stud 8 are fixedly connected with the corresponding mounting plate 3 through welding, the mounting plate 3 is fixedly connected with the corresponding rack 4 through welding or a threaded manner, and the mounting plate 3 is a steel plate; by adopting the technical scheme, the mounting plate 3 is convenient to mount a pair of studs.

In another technical scheme, the elevator car further comprises an anti-derailing member corresponding to each rack 4, wherein each anti-derailing member comprises a pair of auxiliary guide rails 10 respectively arranged at two sides of the rack 4, a guide wheel 11 slidably connected to each auxiliary guide rail 10, and a support rod 12 fixedly connected to each guide wheel 11, wherein the auxiliary guide rails 10 are arranged along the height direction of the corresponding rack 4, and the support rod 12 is fixedly connected with the car 2; a pair of auxiliary guide rails 10 can be mounted on the elevator shaft wall 1 and also can be mounted on the mounting plate 3, in the technical scheme, the pair of auxiliary guide rails 10 are mounted on the mounting plate 3 fixedly connected with the rack 4; by adopting the technical scheme, the auxiliary guide rail device has the beneficial effects that the auxiliary guide rail 10, the guide wheel 11 and the support rod 12 are designed, so that the gear 5 can be prevented from being separated from the rack 4 in the process of moving up and down along the rack 4, safety accidents are caused, and the safety of the device is improved.

In another technical scheme, the rack 4 comprises a plurality of sub-racks which are connected in sequence, and two ends of each sub-rack are connected with a supporting and adjusting part; by adopting the technical scheme, the obtained beneficial effects are that the connection stability of the rack 4 and the elevator shaft wall 1 is improved by connecting the supporting and adjusting pieces at the two ends of each sub-rack.

In another technical scheme, a pair of gears 5 are arranged at two ends of the top of the lift car 2, the gears 5 are sequentially arranged from top to bottom, and the gears 5 are meshed with the same corresponding rack 4; specifically, a pair of gears 5 are sequentially arranged from top to bottom, the projections of the pair of gears 5 on the horizontal plane are overlapped, each gear 5 is driven by a motor 9, and the gears 5 are positioned above the middle part of the top edge of the corresponding lift car 2, so that the lift car 2 is uniformly stressed; adopt this technical scheme, the beneficial effect who obtains is through designing a pair of gear 5 at 2 top both ends of car, has improved the stability of being connected between car 2 and the rack 4, and car 2 atress is even, has guaranteed the stability and the security of car 2 in the operation process.

In another technical scheme, a fixing plate 19 is fixedly connected to one end face of each stud, and the fixing plate 19 is fixedly connected with the corresponding mounting plate 3; a limiting sleeve 20 is coaxially sleeved outside the stud, one end face of the limiting sleeve 20 is fixedly connected with the fixing plate 19, annular grooves 21 coaxial with the sleeve 6 are formed in both end faces of the sleeve 6, and when the stud is screwed into the sleeve 6, the limiting sleeve 20 is inserted into the annular grooves 21 and the upper top surface and the lower top surface of the limiting sleeve 20 are not in contact with the inner wall of the annular grooves 21; mounting groove 23 has been seted up near notch department to the lateral wall of ring channel 21, mounting groove 23 is followed sleeve 6 radially sets up, the coaxial card post 25 that is equipped with in mounting groove 23, the diameter of card post 25 slightly is less than the internal diameter of mounting groove 23, card post 25 bottom surface both ends are close to border department and are equipped with pulley 26, card post 25 orientation the one side of mounting groove 23 bottom surface is equipped with spacing post 24, the through-hole that runs through is seted up to mounting groove 23 bottom surface, the diameter of through-hole slightly is greater than spacing post 24's diameter, spacing post 24 one end is passed the through-hole stretches out outside sleeve 6, coaxial cover is equipped with spring 27 on the spacing post 24, spring 27's internal diameter is greater than the internal diameter of through-hole, stop collar 20 is kept away from the one end of fixed plate 19 is equipped with spacing groove 22 along circumference, spacing groove 22 is kept away from the one end of fixed plate 19 with the distance of fixed plate 19 is less than the double-screw bolt is kept away from the terminal surface of fixed plate 19 with gu fixed The distance between the fixed plates 19 and the width of the limiting groove 22 is slightly larger than the diameter of the clamping column 25;

in the above technical solution, the fixing plate 19 and the mounting plate 3 may be connected by screwing or welding; the limiting sleeve 20 is an annular cylinder, the outer diameter of the annular groove 21 is larger than that of the limiting sleeve 20, and the inner diameter of the annular groove 21 is smaller than that of the limiting sleeve 20, so that the upper top surface and the lower top surface of the limiting sleeve 20 are not contacted with the inner wall of the annular groove 21 when the limiting sleeve 20 is inserted into the annular groove 21; one end of the clamping column 25, which is far away from the bottom of the mounting groove 23, extends out of the mounting groove 23 in a natural state, and the diameter of the clamping column 25 is slightly smaller than the inner diameter of the mounting groove 23, in the technical scheme, the diameter of the clamping column 25 is 2-3mm smaller than the diameter of the mounting groove 23, so that the clamping column 25 is prevented from being separated from the mounting groove 23 in the moving process along the mounting groove 23; pulleys 26 are arranged at the positions, close to the edges, of the two ends of the bottom surface of the clamping column 25, so that the friction force generated when the clamping column 25 is in contact with the outer wall of the limiting sleeve 20 is reduced, and the limiting sleeve 20 can smoothly move in the annular groove 21; the diameter of the through hole is slightly larger than that of the limiting column 24, in the technical scheme, the diameter of the through hole is 2-3mm larger than that of the limiting column 24, so that the limiting column 24 can easily penetrate through the through hole; the limiting column 24 is sleeved with a spring 27, the inner diameter of the spring 27 is larger than that of the through hole, in the technical scheme, the inner diameter of the spring 27 is 2-3mm larger than that of the through hole, so that the spring 27 can be limited between the clamping column 25 and the bottom surface of the mounting groove 23, and the spring 27 is prevented from being separated from the through hole and losing the effect; the top of the limiting column is coaxially provided with a pulling plate 28, and the diameter of the pulling plate 28 is larger than that of the through hole, so that the limiting column can be conveniently pulled, and the use convenience of the device is improved; the distance between one end of the limit groove 22 far away from the fixed plate 19 and the fixed plate 19 is smaller than the distance between the end surface of the stud far away from the fixed plate 19 and the fixed plate 19, and the groove width of the limit groove 22 is slightly larger than the diameter of the clamp column 25, in the technical scheme, the groove width of the limit groove 22 is 2-3mm larger than the diameter of the clamp column 25, so that when the stud moves outwards to be separated from the sleeve 6, the clamp column 25 extends into the limit groove 22, and the stud is prevented from separating from the sleeve 6;

in the technical scheme, in the process of rotating the sleeve 6 to enable the stud connected with the rack 4 to move outwards, the pulley 26 on the clamping column 25 moves along the outer wall of the limiting sleeve 20, when the stud moves to be separated from the sleeve 6, the clamping column 25 also moves to the limiting groove 22, under the resilience action of the spring 27, the clamping column 25 extends into the limiting groove 22 to connect the sleeve 6 with the limiting sleeve 20, and further the sleeve 6 is connected with the stud, so that the stud can be prevented from being separated from the sleeve 6; when the stud is required to be detached from the sleeve 6, the limiting column 24 can be lifted to enable the clamping column 25 to retract into the mounting groove 23, and then the sleeve 6 is rotated to enable the stud to be separated from the sleeve 6;

by adopting the technical scheme, the stud fixing device has the beneficial effects that through the design of the fixing plate 19, the limiting sleeve 20, the annular groove 21, the mounting groove 23, the clamping column 25, the pulley 26, the limiting column 24, the through hole, the spring 27 and the limiting groove 22, on one hand, the stud can be prevented from being separated from the sleeve 6 in the moving process, on the other hand, the stud, the limiting sleeve 20 and the fixing plate 19 are convenient to disassemble and store, can be used repeatedly, and improves the practicability of the device; the whole reasonable in design has avoided the double-screw bolt to break away from the installation effectiveness decline that sleeve 6 caused in the removal process.

In another technical scheme, a through internal threaded hole 30 is coaxially arranged in the clamping column 25, an external thread is arranged at one end of the limiting column 24, which is far away from the through hole, the external thread is matched with the internal thread of the internal threaded hole 30, and one end of the limiting column 24 with the external thread is screwed into the internal threaded hole 30; adopt this technical scheme, the beneficial effect who obtains is, through the internal thread hole 30 that runs through and design the external screw thread on spacing post 24 on card post 25, after the position of double-screw bolt has been adjusted, rotatable spacing post 24, make spacing post 24 follow internal thread hole 30 downstream to spacing post 24 bottom surface and stop collar 20's outer wall tightly butt, realize being connected of sleeve 6 and stop collar 20, and then sleeve 6 along circumferential direction has been restricted, avoid at the in-process of elevator installation, the staff touches sleeve 6 by accident, make it rotatory, and then influence the position of the double-screw bolt that has adjusted, finally influence the straightness that hangs down of rack 4, the stability of device has been improved.

In another technical scheme, a sliding block is arranged on the inner wall of the through hole, a limiting sliding groove 29 is arranged on the limiting column 24, and the sliding block is matched with the limiting sliding groove 29; by adopting the technical scheme, the obtained beneficial effects are that the stability of the clamping block and the limiting column 24 in the up-and-down moving process can be improved by designing the sliding block and the limiting sliding groove 29, and the use convenience of the device is improved by smoothly lifting the limiting column 24.

In another solution, a spring buffer 13 is provided at the bottom of the elevator shaft, said spring buffer 13 being a product well known to those skilled in the art; adopt this technical scheme, the beneficial effect who obtains is through designing spring buffer 13, and when 2 falls to the elevator shaft bottom out of control of car, 2 bottoms of car and spring buffer 13 contact can slow down 2 falling impact force of car under spring buffer 13's cushioning effect, avoid 2 straight falling elevator shaft bottoms of car, take place serious incident, improved the security performance of device.

In another technical scheme, the elevator door of the car 2 is opened and closed up and down; the side wall of the lift car 2 close to the top is provided with an anti-falling device, in the technical scheme, the anti-falling device is an inner gear cone-drum-shaped progressive anti-falling safety device, when the falling speed of the lift car 2 exceeds the safe running speed, the anti-falling device acts to tightly hold the track, and the lift car 2 is prevented from falling; the top and the bottom of the car 2 are provided with track detectors 17, the track detectors 17 are close to the rack 4, the track detectors 17 are products well known to those skilled in the art, and can be common infrared detectors, and are used for detecting the verticality of the rack 4 and ensuring that the guide rail is kept in a vertical state; a manual emergency stop switch 18, an alarm bell, an overload limiter, an elevator door limiter, a face recognition device, a floor calling device, a distribution box 32 and a control box 16 are arranged on the inner wall of the car 2, a PLC is arranged in the control box 16, the distribution box 32 provides power for the whole device, the PLC, the alarm bell, the overload limiter, the elevator door limiter, the face recognition device, the floor calling device, the anti-falling device, the track detector 17 and the motor 9 are all electrically connected with the distribution box 32, the alarm bell, the overload limiter, the elevator door limiter, the face recognition device and the floor calling device are in control connection with the PLC, and the PLC, the alarm bell, the overload limiter, the elevator door limiter, the face recognition device, The floor call devices are all products well known to the person skilled in the art; the manual emergency stop switch 18 is used for manually and emergently stopping the operation of the lift car 2 in an emergency, the overload limiter can prevent the lift car 2 from producing safety accidents due to the fact that goods exceed the safe rated load, the face recognition device can prevent non-project personnel from using a construction elevator, the floor calling device can convey goods or workers to a required floor, and the alarm bell is used for giving an alarm in an unsafe state;

in the technical scheme, in the using process, a constructor confirms that the constructor enters the elevator car 2 after the constructor is the project through the face recognition device, the elevator door is closed, the elevator door limiter acts to confirm that the elevator door is completely closed, the power supply is switched on, if the elevator door is not completely closed, the power supply is switched off by the elevator door limiter, and the car 2 cannot run; the overload limiter confirms that the car is not overloaded, the power supply is switched on, if the car is overloaded, the alarm bell gives out a sound to turn off the alarm, the power supply is switched off, and the car 2 cannot run; a constructor presses a floor button through a floor calling device, the motor is electrified under the variable-frequency working condition, and the lift car 2 runs stably; when the lift car 2 falls down in an overspeed way in the running process, the anti-falling device cuts off the power supply and brakes in an emergency way, or a constructor moves the manual emergency stop switch 18 to cut off the power supply and brake in an emergency way, and an alarm bell is triggered to give out sound and light alarm in the emergency braking process;

by adopting the technical scheme, the anti-falling safety device has the beneficial effects that the anti-falling safety device, the track detector 17, the manual emergency stop switch 18, the alarm bell, the overload limiter, the elevator door limiter, the face recognition device, the floor calling device, the distribution box 32 and the control box 16 are arranged, so that the safety performance of the construction elevator can be effectively improved on one hand, and the use convenience of the construction elevator is improved on the other hand.

In another technical scheme, a person-above skylight 14 is arranged at the top of the car 2, and a ladder stand 15 is arranged inside the car 2; by adopting the technical scheme, the beneficial effect that is obtained is that the construction elevator is convenient for constructors to install and maintain by arranging the skylight 14 for the constructors and the ladder stand 15 for the constructors.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. It is apparent to those skilled in the art to apply, modify and change the indoor construction elevator of the present invention.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (10)

1. The novel indoor construction elevator is characterized by comprising a car, gears arranged at two ends of the top of the car, a rack meshed with each gear, and a plurality of supporting and adjusting pieces, wherein the racks are vertically arranged, each supporting and adjusting piece comprises a sleeve and a pair of studs screwed at two ends of the sleeve, the spiral directions of the studs are opposite, one stud in the studs is fixedly connected with the wall of the elevator shaft, and the other stud is fixedly connected with one rack;

wherein the gear is driven by a motor.

2. The indoor construction elevator as claimed in claim 1, wherein one of the studs of the pair of studs is fixedly connected to the wall of the elevator shaft through a mounting plate, and the other stud is fixedly connected to a rack through another mounting plate.

3. The indoor construction elevator as claimed in claim 1, further comprising an anti-derailing member corresponding to each rack, each anti-derailing member comprising a pair of auxiliary guide rails disposed at both sides of the rack, a guide wheel slidably connected to each auxiliary guide rail, and a support rod fixedly connected to each guide wheel, wherein the auxiliary guide rails are disposed along a height direction of the corresponding rack, and the support rod is fixedly connected to the car.

4. The novel indoor construction elevator of claim 3, wherein the rack comprises a plurality of sub-racks connected in sequence, and a support adjusting member is connected to both ends of each sub-rack.

5. A novel indoor construction elevator as claimed in claim 4, wherein a pair of gears are provided at both ends of the top of the cage, the pair of gears are sequentially provided from top to bottom, and the pair of gears are engaged with the same corresponding rack.

6. The novel indoor construction elevator as claimed in claim 2, wherein a fixing plate is fixedly connected to one end face of each stud, and the fixing plate is fixedly connected to the corresponding mounting plate; a limiting sleeve is coaxially sleeved outside the stud, one end face of the limiting sleeve is fixedly connected with the fixing plate, annular grooves coaxial with the sleeve are formed in the two end faces of the sleeve, and when the stud is screwed into the sleeve, the limiting sleeve is inserted into the annular grooves, and the upper top surface and the lower top surface of the limiting sleeve are not in contact with the inner wall of the annular groove; the circular groove side wall is provided with a mounting groove near the notch, the mounting groove is radially arranged along the sleeve, a clamping column is coaxially arranged in the mounting groove, the diameter of the clamping column is slightly smaller than the inner diameter of the mounting groove, pulleys are arranged near the edge at the two ends of the bottom surface of the clamping column, a limiting column is arranged at one surface of the clamping column facing the bottom surface of the mounting groove, a through hole penetrating through the bottom surface of the mounting groove is formed, the diameter of the through hole is slightly larger than that of the limiting column, one end of the limiting column penetrates through the through hole to extend out of the sleeve, a spring is coaxially sleeved on the limiting column, the inner diameter of the spring is larger than that of the through hole, a limiting groove is arranged along the circumferential direction at one end of the limiting sleeve, which is far away from the fixed plate, the distance between one end of the limiting groove and the fixed plate is smaller than the distance between the end surface of the stud, which is far away from the fixed plate, and the fixed plate, the groove width of the limiting groove is slightly larger than the diameter of the clamping column.

7. The novel indoor construction elevator as claimed in claim 6, wherein a through internal threaded hole is coaxially formed in the clamping column, an external thread is formed at one end of the limiting column, which is far away from the through hole, and is matched with the internal thread of the internal threaded hole, and the end of the limiting column, which is provided with the external thread, is screwed into the internal threaded hole.

8. The novel indoor construction elevator as claimed in claim 6, wherein a slide block is provided on an inner wall of the through hole, a limit sliding groove is provided on the limit post, and the slide block is matched with the limit sliding groove.

9. A novel indoor construction elevator according to claim 3, wherein a pair of auxiliary guide rails are installed on a mounting plate fixedly connected to the rack.

10. The novel indoor construction elevator as claimed in claim 1, wherein a spring buffer is provided at the bottom of the elevator shaft.

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