CN209635680U - A kind of mainframe lower formula structure - Google Patents

Abstract

The utility model discloses a kind of mainframe lower formula structures, including hoistway, crossbeam is fixedly installed at the top of the hoistway, lower cross plate is fixedly installed on the left of the lower end of the hoistway, the upper end of the lower cross plate is fixedly installed with main machine base, the upper end of the main machine base is fixedly installed with strong drive host, the strong drive host is equipped with lower guide wheel group, the lower guide wheel group is fixedly connected with wirerope, the upper end of the wirerope is fixedly connected with upper directive wheel group, and the middle position of the wirerope is fixedly connected with carriage.The mainframe lower formula structure is compared with prior art, this technology is laid out by Rational structure, headroom height is required lower, and structure is simpler, it installs simultaneously more convenient, by the clamping of L shape bar and L-shaped groove, intermediate gear is connect with connection gear, the connection gear when center tooth rotates dynamic is avoided not rotate the drawbacks of bringing.

Description

A kind of mainframe lower formula structure

Technical field

The utility model relates to elevator technology field, specially a kind of mainframe lower formula structure.

Background technique

Forcibly driving elevator (including reel driving), the electricity exactly driven with the non-model control mode of chain or wire rope suspensioning Ladder.And general towed elevator, hoisting rope are the elevators of the frictional force drives of the driving wheel rope groove by host.Produce qualification and one As elevator production qualification it is identical.

Host is generally placed on top in hoistway by currently available technology, and carriage or more, this side are pulled by wirerope Formula design is simple, versatility is good, but this mode occupies biggish well space, such as: in old building transforming engineering, hoistway at this time Width is small, and host side located structure necessarily occupies car width, leads to not that compartment door is arranged, therefore be not able to satisfy space and want It asks, while all being separated between existing upper directive wheel group gear, when a gear rotates, other gears are easy to happen The phenomenon that not rotating, and also relative friction can occur with the gear of rotation sometimes, the rotational power of rotate gear is lost.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of mainframe lower formula structure Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of mainframe lower formula structure, including well Road is fixedly installed with crossbeam at the top of the hoistway, is fixedly installed with lower cross plate, the lower cross plate on the left of the lower end of the hoistway Upper end be fixedly installed with main machine base, the upper end of the main machine base be fixedly installed with it is strong drive host, strong the drives host is pacified Equipped with lower guide wheel group, the lower guide wheel group is fixedly connected with wirerope, and the upper end of the wirerope, which is fixedly connected with, leads To wheel group, the middle position of the wirerope is fixedly connected with carriage, and the main machine base is fixedly mounted on hoistway enabling direction Back side ground on；

The upper directive wheel group includes intermediate gear, connection gear, groove, fixture block, spring, L shape bar, L-shaped groove and leads to Hole, the left and right sides of the intermediate gear contacts respectively connection gear, sets respectively at left and right sides of the lower end of the intermediate gear Fluted, the internal slide of the groove is connected with fixture block, and one end of the fixture block is fixedly connected with spring, and the one of the spring End is fixedly connected on the interior side surface of groove, and one end of the fixture block is fixedly connected with L shape bar, under the connection gear Side is held to be equipped with L-shaped groove, the side of the groove is equipped with through-hole, and the L shape bar passes through through-hole and L-shaped groove is clamped.

Preferably, one end of the wirerope first passes downwardly through lower guide wheel group and turns to, and is then passed upwardly through directive wheel It is connected to the bottom of carriage under group rear steering, turns back to well headroom and locks.

Preferably, the other end of the wirerope is turned back to well headroom after to lower guide wheel group and is lockked.

Preferably, the outer diameter pitch diameter of the lower guide wheel group and upper directive wheel group is located in another vertical straight line.

Compared with prior art, the utility model has the beneficial effects that the mainframe lower formula structure is compared with prior art, This technology is laid out by Rational structure, requires headroom height lower, and structure is simpler, while installing more convenient, passes through L The clamping of shape bar and L-shaped groove connect intermediate gear with connection gear, and the connection gear when center tooth rotates dynamic is avoided not rotate The drawbacks of bringing.

Detailed description of the invention

Fig. 1 is the uppermost bay plan view of the utility model；

Fig. 2 is one layer of host installation diagram of the utility model；

Fig. 3 be the utility model A to cross-sectional view；

Fig. 4 be the utility model B to cross-sectional view；

Fig. 5 is the enlarged drawing at the C of the utility model.

In figure: 1 hoistway, 2 crossbeams, 3 lower cross plates, 4 main machine bases, the last 5 drive host, 6 lower guide wheel groups, 7 wirerope, on 8 Guide wheel group, 81 intermediate gears, 82 connection gears, 83 grooves, 84 fixture blocks, 85 springs, 86 L shape bars, 87 L-shaped grooves, 88 through-holes, 9 carriages.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of mainframe lower formula structure, including hoistway 1, The top of hoistway 1 is fixedly installed with crossbeam 2, is fixedly installed with lower cross plate 3 on the left of the lower end of hoistway 1, the upper end of lower cross plate 3 is fixed Main machine base 4 is installed, the upper end of main machine base 4 is fixedly installed with strong drive host 5, and the strong host 5 that drives is equipped with lower guide wheel group 6, lower guide wheel group 6 is fixedly connected with wirerope 7, and wirerope 7 is drawn from the strong host 5 that drives, and passes through lower guide wheel group 6 and upper guiding Wheel group 8 can be connect with carriage 9, so require very little to 1 overhead of hoistway, and the strong underlying installation of drive host 5 is also more convenient, The upper end of wirerope 7 is fixedly connected with upper directive wheel group 8, and the middle position of wirerope 7 is fixedly connected with carriage 9, main machine base 4 It being fixedly mounted on the back side ground in 1 enabling direction of hoistway, one end of wirerope 7 first passes downwardly through lower guide wheel group 6 and turns to, It is then passed upwardly through the bottom for being connected to carriage 9 under 8 rear steering of upper directive wheel group, is turned back to lockking at the top of hoistway 1, under the other end To being turned back after lower guide wheel group 6 to lockking at the top of hoistway 1, the outer diameter pitch diameter of lower guide wheel group 6 and upper directive wheel group 8 is located at In another vertical straight line；

Upper directive wheel group 8 includes intermediate gear 81, connection gear 82, groove 83, fixture block 84, spring 85, L shape bar 86, L Shape slot 87 and through-hole 88, the left and right sides of intermediate gear 81 contacts respectively connection gear 82, the lower end or so of intermediate gear 81 Two sides are respectively equipped with groove 83, and the internal slide of groove 83 is connected with fixture block 84, and one end of fixture block 84 is fixedly connected with spring 85, One end of spring 85 is fixedly connected on the interior side surface of groove 83, and one end of fixture block 84 is fixedly connected with L shape bar 86, connection The lower end side of gear 82 is equipped with L-shaped groove 87, and the side of groove 83 is equipped with through-hole 88, and L shape bar 86 passes through through-hole 88 and L-shaped groove 87 Clamping, by L-shaped groove 87 with the clamping of L shape bar 86 so that intermediate gear 81 is connect with connection gear 82.

When the utility model is specifically implemented: when needing intermediate gear 81 to connect with connection gear 82, first in Between gear 81 be moved to the surface of shaft, then squeeze fixture block 84, shunk so that 85 stress of spring squeezes, then two are connected Gear 82 is moved respectively to the surface of shaft, and the left and right ends of intermediate gear 81 connect L shape bar 86 with L-shaped groove 87, Fixture block 84 is unclamped, spring 85, which stretches, to be resetted, so that L shape bar 86 and L-shaped groove 87 are clamped, at this moment just intermediate gear 81 and tooth connection 82 connection of wheel avoids when the rotation of intermediate gear 81 connection gear 82 not by the way that intermediate gear 81 is connect with connection gear 82 The drawbacks of rotation is brought, the strong host 5 that drives is inside hoistway 1, and positioned at the front of carriage 9, crossbeam level or so is lain across in hoistway Top, strong drive fix wirerope 7 in the lower guide wheel group 6 that 5 main shaft of host connects, first pass downwardly through lower guide wheel group 6 and turn to, then Upwardly through carriage 9 is connected under 8 rear steering of upper directive wheel group, carriage 9 is driven to move up and down, turned back to locking at the top of hoistway 1 Firmly, the other end of wirerope 7 is down toward turning back to lockking at the top of hoistway 1, and this technology is laid out by Rational structure, to headroom height It is required that it is lower, and structure is simpler, while installing more convenient.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of mainframe lower formula structure, including hoistway (1), it is characterised in that: be fixedly installed with cross at the top of the hoistway (1) The lower end left side of beam (2), the hoistway (1) is fixedly installed with lower cross plate (3), and the upper end of the lower cross plate (3) is fixedly installed with Main machine base (4), the upper end of the main machine base (4) are fixedly installed with strong drive host (5), and the strong drive host (5) is equipped with Lower guide wheel group (6), the lower guide wheel group (6) are fixedly connected with wirerope (7), and the upper end of the wirerope (7) is fixed to be connected It is connected to upper directive wheel group (8), the middle position of the wirerope (7) is fixedly connected with carriage (9), and the main machine base (4) is solid Dingan County is on the back side ground in hoistway (1) enabling direction；

The upper directive wheel group (8) includes intermediate gear (81), connection gear (82), groove (83), fixture block (84), spring (85), L shape bar (86), L-shaped groove (87) and through-hole (88), the left and right sides of the intermediate gear (81) contacts respectively tooth connection It takes turns (82), the lower end of the intermediate gear (81) is respectively arranged on the left side and the right side groove (83), the internal slide of the groove (83) It is connected with fixture block (84), one end of the fixture block (84) is fixedly connected with spring (85), and one end of the spring (85) is fixed to be connected It connects on the interior side surface of groove (83), one end of the fixture block (84) is fixedly connected with L shape bar (86), the connection gear (82) lower end side is equipped with L-shaped groove (87), and the side of the groove (83) is equipped with through-hole (88), and the L shape bar (86) passes through Through-hole (88) and L-shaped groove (87) are clamped.

2. a kind of mainframe lower formula structure according to claim 1, it is characterised in that: one end of the wirerope (7) is first Lower guide wheel group (6) steering is passed downwardly through, the bottom for being connected to carriage (9) under upper directive wheel group (8) rear steering is then passed upwardly through Portion turns back to latching at the top of hoistway (1).

3. a kind of mainframe lower formula structure according to claim 1, it is characterised in that: the other end of the wirerope (7) It is turned back after to lower guide wheel group (6) to latching at the top of hoistway (1).

4. a kind of mainframe lower formula structure according to claim 1, it is characterised in that: the lower guide wheel group (6) with it is upper The outer diameter pitch diameter of guide wheel group (8) is located in another vertical straight line.