CN205241013U

CN205241013U - Construction elevator double row lock

Info

Publication number: CN205241013U
Application number: CN201521001073.9U
Authority: CN
Inventors: 严鑫; 夏文凯; 黄鹤; 余江; 杨嫦娥
Original assignee: HUNAN JIANGLU CONSTRUCTION ENGINEERING MACHINERY Co Ltd
Current assignee: HUNAN JIANGLU CONSTRUCTION ENGINEERING MACHINERY Co Ltd
Priority date: 2015-12-07
Filing date: 2015-12-07
Publication date: 2016-05-18
Anticipated expiration: 2025-12-07

Abstract

The utility model discloses a construction elevator double row lock, including the T hook lock with set firmly the jam plate on down every frame of lift, the jam plate rigid coupling is on the up end of down every frame, the T hook lock is articulated to be installed in the door reveal face that goes upward of lift and can rely on dead weight downward swinging to hook the jam plate, the T hook lock includes locking lever and latch hook, the one end of locking lever hinges on going upward the door, a latch hook body coupling in the other end of locking lever is equipped with at the locating part of T hook lock downward swinging time limit lockmaking pole hunting range in order to prevent latch hook striking jam plate on going upward the door. The utility model has the advantages of simple structure compact, not fragile, long service life, the construction elevator double row lock that fail safe nature is high.

Description

Building hoist duplicate rows door lock

Technical field

The utility model relates to constructional engineering machinery technical field, is specifically related to a kind of building hoist duplicate rows door lock.

Background technology

Building hoist is the visual plant of the central vertical transport personnel of construction and material. And the duplicate rows door lock necessary safety protective mechanisms that is building hoist its role is to prevent that duplicate rows door non-artificial factor in building hoist running from open door, cause potential safety hazard. Current duplicate rows door latch structure generally has two kinds, a kind of on up door, T-shaped latch hook being installed, and latch hook swing hook in the plane perpendicular to door is stayed the quarter bend of row door to reach the object of pinning duplicate rows door, but the shortcoming of this kind of method is; 1, in duplicate rows door closing process, T-shaped latch hook is easily first beaten on descending door frame top, and long-term destruction and the duplicate rows door lock that can cause later descending door of using lost efficacy; 2, high to T-shaped latch hook position of mounting hole and hole size dimension precision requirement, difficulty of processing is large; 3, descending door needs special configuration stopping means, to limit the position of descending door lower than cage base plate, and this spacing general employing bolt, and in actual use, this caging bolt often can be pounded disconnected. Another kind of for T-shaped latch hook being installed on up door, on cage skeleton flap, lock is installed, T-shaped latch hook swings and hooks lock to reach the object of pinning up door in the plane that is parallel to door, the shortcoming of this kind of structure is: 1, the duplicate rows door lock of this structure only can pin up door, descending door be ensure by steel wire rope chain, once and after the caging bolt of descending door lost efficacy, in the situation of wire cable rupture, building hoist descending goalkeeper directly fall down, and has great potential safety hazard; 2, descending door needs special configuration stopping means, to limit the position of descending door lower than cage base plate, and this spacing general employing bolt, and in actual use, this caging bolt often can be pounded disconnected.

Utility model content

The technical problems to be solved in the utility model is to overcome the deficiency that prior art exists, and a kind of simple and compact for structure, not fragile, long service life, building hoist duplicate rows door lock that security reliability is high are provided.

For solving the problems of the technologies described above, the utility model by the following technical solutions:

A kind of building hoist duplicate rows door lock, comprise T-shaped hook lock and be fixedly arranged on the jam plate on the descending door frame of lift, described jam plate is fixed on the upper surface of descending door frame, described T-shaped hook lock is hinged to be installed on the up reveal face of lift and can to rely on deadweight downward swing hook residence to state jam plate, described T-shaped hook lock comprises locking bar and latch hook, one end of described locking bar is articulated with on up door, described latch hook one is connected in the other end of locking bar, described up door is provided with at T-shaped hook lock and clashes into the locating part of jam plate to lower swing time limit lockmaking bar hunting range to prevent latch hook.

Above-mentioned building hoist duplicate rows door lock, preferred, the position that described locating part contacts with locking bar is near the jointed shaft of locking bar.

Above-mentioned building hoist duplicate rows door lock, preferred, described locating part is the bolt being threadedly connected on up door.

Above-mentioned building hoist duplicate rows door lock, preferred, described jam plate comprises lower steel plate and upper steel plate, and described lower steel plate is welded on descending door frame, and described upper steel plate is fixed on lower steel plate by bolt.

Compared with prior art, the utility model has the advantage of: the utility model building hoist duplicate rows door lock adopts the combining form of T-shaped hook lock and jam plate, T-shaped hook lock can swing downwards and hook jam plate and realize locking under Gravitative Loads, because locating part can limit the hunting range of T-shaped hook lock during to lower swing at T-shaped hook lock, prevent that latch hook from clashing into jam plate, can not cause latch hook and descending door distortion because often clashing into, damage, the problem that can effectively avoid locking to lose efficacy, reduce greatly the situation that non-artificial factor is opened, not only ensure the security reliability of locking, also greatly extend the service life of duplicate rows door lock, simultaneously, jam plate also plays the position-limiting action that prevents that descending door from dropping in the time that descending door down moves, it just in time makes the doorframe of descending door just align with cage bottom, can reduce the obstruction of transporting cargo in cage, adopt the spacing form of caging bolt than tradition, without the descending door limiting structure of special configuration, and jam plate is difficult for being pounded disconnectedly, and security performance is greatly enhanced.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model building hoist duplicate rows door lock.

Marginal data:

1, T-shaped hook lock; 11, locking bar; 12, latch hook; 2, jam plate; 21, lower steel plate; 22, upper steel plate; 3, descending door frame; 4, up door; 5, locating part.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

As shown in Figure 1, building hoist duplicate rows door lock of the present utility model, comprise T-shaped hook lock 1 and be fixedly arranged on the jam plate 2 on the descending door frame 3 of lift, jam plate 2 is fixed on the upper surface of descending door frame 3, stretch out to the both sides of descending door frame 3 at the two ends of jam plate 2, T-shaped hook lock 1 is hinged to be installed on up door 4 sides of lift and can in the perpendicular parallel with duplicate rows door, to rely on deadweight to swing and hook jam plate 2 downwards, T-shaped hook lock 1 comprises locking bar 11 and latch hook 12, one end of locking bar 11 is articulated with on up door 4, latch hook 12 one are connected in the other end of locking bar 11, up door 4 is provided with at T-shaped hook lock 1 and clashes into the locating part 5 of jam plate 2 to lower swing time limit lockmaking bar 11 hunting ranges to prevent latch hook 12. this building hoist duplicate rows door lock adopts the combining form of T-shaped hook lock 1 and jam plate 2, T-shaped hook lock 1 can swing downwards and hook jam plate 2 and realize locking under Gravitative Loads, because locating part 5 can limit the hunting range of T-shaped hook lock 1 during to lower swing at T-shaped hook lock 1, prevent that latch hook 12 from clashing into jam plate 2, can not cause latch hook 12 and descending door distortion because often clashing into, damage, the problem that can effectively avoid locking to lose efficacy, reduce greatly the situation that non-artificial factor is opened, not only ensure the security reliability of locking, also greatly extended the service life of duplicate rows door lock, simultaneously, jam plate 2 also plays the position-limiting action that prevents that descending door from dropping in the time that descending door down moves, it just in time makes the doorframe of descending door just align with cage bottom, can reduce the obstruction of transporting cargo in cage, adopt the spacing form of caging bolt than tradition, without the descending door limiting structure of special configuration, and jam plate 2 is difficult for being pounded disconnected, and security performance is greatly enhanced.

In the present embodiment, the position that locating part 5 contacts with locking bar 11, near the jointed shaft of locking bar 11, can reduce the shock dynamics between locating part 5 and locking bar 11, and then reduces as much as possible the distortion that both cause because of shock.

In the present embodiment, locating part 5 is bolt, and bolt thread is connected on up door 4, conveniently installs and changes.

In the present embodiment, jam plate 2 comprises lower steel plate 21 and upper steel plate 22, and lower steel plate 21 is welded on descending door frame 3, and upper steel plate 22 is fixed on lower steel plate 21 by bolt, and this kind of structure can ensure that jam plate 2 has higher intensity.

The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment. For those skilled in the art, do not departing from the improvement that obtains under the utility model technical conceive prerequisite and conversion also should be considered as protection domain of the present utility model.

Claims

1. a building hoist duplicate rows door lock, it is characterized in that: comprise T-shaped hook lock (1) and be fixedly arranged on the jam plate (2) on the descending door frame (3) of lift, described jam plate (2) is fixed on the upper surface of descending door frame (3), described T-shaped hook lock (1) is hinged to be installed on up door (4) side of lift and can to rely on deadweight downward swing hook residence to state jam plate (2), described T-shaped hook lock (1) comprises locking bar (11) and latch hook (12), one end of described locking bar (11) is articulated with on up door (4), described latch hook (12) one is connected in the other end of locking bar (11), described up door (4) is provided with at T-shaped hook lock (1) and clashes into the locating part (5) of jam plate (2) to lower swing time limit lockmaking bar (11) hunting range to prevent latch hook (12).

2. building hoist duplicate rows door lock according to claim 1, is characterized in that: the position that described locating part (5) contacts with locking bar (11) is near the jointed shaft of locking bar (11).

3. building hoist duplicate rows door lock according to claim 2, is characterized in that: described locating part (5) is for being threadedly connected to the bolt on up door (4).

4. according to the building hoist duplicate rows door lock described in claim 1 or 2 or 3, it is characterized in that: described jam plate (2) comprises lower steel plate (21) and upper steel plate (22), it is upper that described lower steel plate (21) is welded in descending door frame (3), and described upper steel plate (22) is fixed on lower steel plate (21) by bolt.