CN104229600A

CN104229600A - Construction elevator lifting device

Info

Publication number: CN104229600A
Application number: CN201410489578.8A
Authority: CN
Inventors: 陈祖昆
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-09-23
Filing date: 2014-09-23
Publication date: 2014-12-24
Anticipated expiration: 2034-09-23
Also published as: CN104229600B

Abstract

The invention discloses a construction elevator lifting device. The construction elevator lifting device comprises a lifting mechanism for driving a lifting support to run on a Chinese character 'jing'-shaped pipe frame, wherein a guide mechanism and a pressure roller mechanism are arranged between the lifting support and the Chinese character 'jing'-shaped pipe frame, the lifting mechanism comprises a speed changing box driven by a motor, a bi-directional gear transmission case and a two-sided rack, the bi-directional gear transmission case is installed on the upper part of the lifting support, the speed changing box is connected with the bi-directional gear transmission case, the two-sided rack is vertically fixed in the Chinese character 'jing'-shaped pipe frame, and the left toothed surface and the right toothed surface of the two-sided rack are respectively engaged with a left climbing gear and a right climbing gear of the bi-directional gear transmission case. By adopting the two-sided rack and a bi-directional climbing gear structure, the repelling horizontal force produced when the gears are engaged with a rack can be counteracted, the abrasion of the gears and the rack can be effectively improved, available functions can be adequately utilized, and the loss is reduced.

Description

Lifting device for construction elevator

(1) technical field:

The present invention relates to mechanical transmission mechanism, be specially a kind of lifting device for construction elevator.

(2) background technology:

Extensively adopt unidirectional tooth bar, gear for current lifting device for construction elevator, be close to the structural pattern of wheel, this pattern is single load bearing, dependence is close to pulley orbit determination and runs, and vibrations are comparatively large, and tooth bar, gear cause the comparatively large and many power of loss of wearing and tearing because of fault of construction.

Along with the development of skyscraper, elevator speed is accelerated, and hoisting depth increases, and the vibration of its cage runs with building hoist and produces simultaneously, and the problem of mechanism vibrations is more and more outstanding thus.

(3) summary of the invention:

For the deficiencies in the prior art, technical matters to be solved by this invention be propose a kind of rising or falling speed fast, stable, vibrate little, energy-saving and cost-reducing lifting device for construction elevator.

The lifting device for construction elevator that can solve the problems of the technologies described above, its technical scheme comprises the lifting mechanism driving lifting support to run on well word pipe support, guiding mechanism and pressing wheel mechanism is provided with unlike the prior art between described lifting support and well word pipe support, described guiding mechanism and pressing wheel mechanism can ensure under the effect of lifting mechanism, and lifting support does pulsation-free ascending, descending campaign on well word pipe support; Described lifting mechanism comprises motor-driven change speed gear box, two-way gear and the two-sided rack, described two-way gear is installed on lifting support top, described change speed gear box is installed on two-way gear and the output shaft of change speed gear box connects the input shaft of two-way gear, and described the two-sided rack is vertically fixed on well word pipe support; The left and right flank of tooth of the two-sided rack engages the left and right climbing gear of two-way gear respectively.

The driving principle of technical solution of the present invention: motor (with brake equipment) drives change speed gear box to operate, change speed gear box drives two-way gear to operate, the left and right climbing gear that two-way gear rotates by dynamic action on the two-sided rack, realize the synchronously upper and lower motion on the two-sided rack of left and right climbing gear, thus realize the lifting action of lifting support.

A kind of structure of described guiding mechanism comprises upper and lower two groups of guide wheels, often organizes guide wheel and comprises left and right roller, and described left and right roller symmetry is installed on the left and right of lifting support and distinguishes Structure deformation on the left and right side that well word pipe support is corresponding.

Described pressing wheel mechanism comprises upper and lower two cover pinch roller assemblies, often overlap pinch roller assembly and comprise left and right two groups of pinch rollers, described pinch roller of often organizing comprises forward and backward roller, and described forward and backward roller is installed on the forward and backward of lifting support and distinguishes Structure deformation on the forward and backward side that well word pipe support is corresponding.

Described two-way gear comprises the input shaft coupler be located in casing, the left and right output shaft that climbs, left and right transmission gear and left and right climbing gear, described input shaft coupler and the left or right output shaft that climbs is connected, Left Drive gear and left climbing gear climb on output shaft with being located in a left side, right transmission gear and right climbing gear climb on output shaft with being located in the right side, and described left and right transmission gear engages each other.

Cage detouchable that is manned or loading is installed on the lifting support below two-way gear.

Beneficial effect of the present invention:

1, lifting device for construction elevator of the present invention adopts the synchrodrive of the two-sided rack and two-way climbing gear, and the lifting transmission self-assembling formation linear vertical of crane runs, without the need to arranging auxiliary device.

2, the present invention adopts the two-sided rack and two-way climbing gear structure, counteracts the horizontal force of the phase mutual repulsion produced when wheel and rack is meshed, effectively improves the wear phenomenon of gear and tooth bar, make full use of effective efficiency, Loss reducing.

3, transmission of the present invention is more steady, safe and reliable, cage significantly reduce in operational process rock, noise and the wearing and tearing to gear, tooth bar, roller etc.

4, the present invention can install counterweight additional, and as counterweight piece 1000kg, need promote thing and can carry 2000kg, power actual payload amount is 0 ~ 1000kg, and energy-saving effect is large, and run more stable, equipment attrition is little, long service life.

5, cage can need to change at any time according to use, more humane.

(4) accompanying drawing illustrates:

Fig. 1 is the structural representation of one embodiment of the present invention.

Fig. 2 is the lateral plan of Fig. 1 embodiment.

Fig. 3 is the cut-away view of two-way gear in Fig. 1, Fig. 2 embodiment.

Figure number identifies: 1, lifting support; 2, well word pipe support; 3, motor; 4, change speed gear box; 5, two-way gear; 6, the two-sided rack; 7, guide wheel; 8, pinch roller; 9, cage; 10, climbing gear; 11, transmission case body; 12, climb output shaft; 13, transmission gear; 14, input shaft coupler.

(5) detailed description of the invention:

Below in conjunction with accompanying drawing illustrated embodiment, technical scheme of the present invention is described further.

Lifting device for construction elevator of the present invention comprises the lifting mechanism driving lifting support 1 to run on well word pipe support 2, described well word pipe support 2 is the left and right vertical body of body framework corresponding side surface, described lifting support 1 is the left and right vertical beam arranged corresponding to well word pipe support 2 (left and right vertical body), left and right vertical beam connects into framed structure by crossbeam, described lifting support 1 is integrated with well word pipe support 2 one-tenth by pressing wheel mechanism, the lifting on well word pipe support 2 is realized, as shown in Figure 1 and Figure 2 by guide wheel mechanism guiding.

Described pressing wheel mechanism takes the structure of upper and lower two cover pinch roller assemblies, often overlap pinch roller assembly and comprise left and right two groups of pinch rollers 8, often organize pinch roller 8 and comprise forward and backward roller, described forward and backward roller is installed on by wheel carrier on the vertical beam of lifting support 1 correspondence, and forward and backward roller difference Structure deformation is on the forward and backward side of the corresponding body of well word pipe support 2, concrete, upper cover left group of pinch roller 8 correspondence is located at the left vertical beam upper left-hand of lifting support 1, before it, rear roller is spacing before the left body correspondence position of well word pipe support 2, on trailing flank, upper cover right group of pinch roller 8 correspondence is in the right vertical beam upper right of lifting support 1, before it, rear roller is spacing before the right body correspondence position of well word pipe support 2, on trailing flank, the left vertical beam lower left side of left group of pinch roller 8 correspondence of trapping at lifting support 1, before it, rear roller is spacing before the left body correspondence position of well word pipe support 2, on trailing flank, trap right group of pinch roller 8 correspondence on the right side of the right vertical beam bottom of lifting support 1, before it, rear roller is spacing before the right body correspondence position of well word pipe support 2, on trailing flank, as Fig. 1, shown in Fig. 2.

Described guide wheel mechanism takes the structure of upper and lower two groups of guide wheels 7, often organize guide wheel 7 and comprise left and right roller, the left and right roller of upper group is installed on the upper outside of the left and right vertical beam of lifting support 1 respectively by wheel carrier, left and right roller rolls spacing on the left and right side of the left and right body correspondence position of well word pipe support 2; The left and right roller of lower group is installed on the lower outside of the left and right vertical beam of lifting support 1 respectively by wheel carrier, left and right roller rolls spacing on the left and right side of the left and right body correspondence position of well word pipe support 2, as shown in Figure 1 and Figure 2.

Under the combined action of above-mentioned guide wheel mechanism and pressing wheel mechanism, lifting support 1 is attached to outside well word pipe support 2, and realizes lifting by lifting mechanism.

Described lifting mechanism comprises change speed gear box 4, two-way gear 5 and the two-sided rack 6 that motor 3 drives, described the two-sided rack 6 is vertically fixedly installed in the middle of the left and right body of well word pipe support 2, the left and right flank of tooth of the two-sided rack 6 is respectively towards left and right direction, described two-way gear 5 is connected laterally at the left and right vertical beam top of lifting support 1, described change speed gear box 4 is connected with two-way gear 5, the left and right climbing gear 10 of two-way gear 5 is placed in the left and right flank of tooth both sides of the two-sided rack 6 respectively and is engaged with respectively, as shown in Figure 1 and Figure 2.

Concrete, described two-way gear 5 comprises the input shaft coupler 14 be located in transmission case body 11, the left and right output shaft 12 that climbs, left and right transmission gear 13 and left and right climbing gear 10, described input shaft coupler 14 and the left or right output shaft 12 that climbs coaxially is socketed, Left Drive gear 13 and left climbing gear 10 climb on output shaft 12 with being located in a left side, right transmission gear 13 and right climbing gear 10 climb on output shaft 12 with being located in the right side, described left and right transmission gear 13 engages each other, as shown in Figure 3.

Cage 9 that is manned or loading is installed on the middle and lower part (position is in the below of two-way gear 5) of lifting support 1 by demountable structure, as shown in Figure 2.

Claims

1. lifting device for construction elevator, comprise and drive lifting support (1) in the upper lifting mechanism run of well word pipe support (2), it is characterized in that: between described lifting support (1) and well word pipe support (2), be provided with guiding mechanism and pressing wheel mechanism; Described lifting mechanism comprises change speed gear box (4), two-way gear (5) and the two-sided rack (6) that motor (3) drives, described two-way gear (5) is installed on lifting support (1) top, described change speed gear box (4) is connected with two-way gear (5), and described the two-sided rack (6) is vertically fixed on the left and right climbing gear (10) that the upper and left and right flank of tooth of the two-sided rack (6) of well word pipe support (2) engages two-way gear (5) respectively.

2. lifting device for construction elevator according to claim 1, it is characterized in that: described guiding mechanism comprises upper and lower two groups of guide wheels (7), often organize guide wheel (7) and comprise left and right roller, described left and right roller symmetry is installed on the left and right of lifting support (1) and distinguishes Structure deformation on the left and right side that well word pipe support (2) is corresponding.

3. lifting device for construction elevator according to claim 1, it is characterized in that: described pressing wheel mechanism comprises upper and lower two cover pinch roller assemblies, often overlap pinch roller assembly and comprise left and right two groups of pinch rollers (8), described pinch roller (8) of often organizing comprises forward and backward roller, and described forward and backward roller is installed on the forward and backward of lifting support (1) and distinguishes Structure deformation on the forward and backward side that well word pipe support (2) is corresponding.

4. according to the lifting device for construction elevator in claims 1 to 3 described in any one, it is characterized in that: described two-way gear (5) comprises the input shaft coupler (14) be located in transmission case body (11), left, climb output shaft (12) on the right side, left, right transmission gear (13) and a left side, right climbing gear (10), described input shaft coupler (14) and the left or right output shaft (12) that climbs is connected, Left Drive gear (13) and left climbing gear (10) climb on output shaft (12) with being located in a left side, right transmission gear (13) and right climbing gear (10) climb on output shaft (12) with being located in the right side, a described left side, right transmission gear (13) engages each other.

5. according to the lifting device for construction elevator in claims 1 to 3 described in any one, it is characterized in that: cage (9) is detachably installed on the lifting support (1) of two-way gear (5) below.