CN211971472U

CN211971472U - Elevator counterweight frame

Info

Publication number: CN211971472U
Application number: CN201922491373.4U
Authority: CN
Inventors: 吴继华; 钱孝通; 姚威
Original assignee: Wujiang Duoling Elevator Supporting Co ltd
Current assignee: Wujiang Duoling Elevator Supporting Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-20
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to an elevator counterweight frame, which comprises a traction sheave, a counterweight block and a counterweight frame, wherein the counterweight frame comprises two straight beams symmetrically arranged along the vertical direction, the straight beams are U-shaped, and the openings of the straight beams are oppositely arranged; the top ends of the two straight beams are connected with an upper transverse plate along the horizontal direction, and the bottom ends of the two straight beams are connected with a lower transverse plate along the horizontal direction; the counterweight block is embedded between the two straight beams, two ends of each straight beam along the vertical direction are provided with guide shoes, and the guide shoes are positioned on the end surfaces of the straight beams far away from the counterweight block; a limiting block is arranged at the top end of the weight block, the limiting block is embedded between the two straight beams, and a first clamping block and a second clamping block are connected to two ends of the limiting block, which are close to the two straight beams; the straight beam is positioned between the corresponding first fixture block and the second fixture block, and the end surfaces of the first fixture block and the second fixture block, which are close to the corresponding straight beam, are abutted against the outer wall of the straight beam; and a limiting bolt is connected between the first clamping block and the second clamping block. The utility model discloses the effect that has higher security.

Description

Elevator counterweight frame

Technical Field

The utility model belongs to the technical field of the technique of elevator and specifically relates to an elevator is to heavy frame.

Background

The counterweight device is positioned in the hoistway and is connected with the elevator car through a traction sheave by a traction rope. During the operation of the elevator, the counterweight device slides on the counterweight guide rail through the counterweight guide shoe to balance the weight of the car with the weight of the counterweight device. The counterweight device consists of a counterweight frame and a counterweight iron block, and a 1:1 sling method is generally used as an object. The counterweight block is generally made of metal or plastic, and the inner part of the counterweight block is composed of a core body which is formed by mixing metal materials, metal materials and waste residues thereof and inorganic materials (such as cement) and is bonded into a whole through an adhesive.

The current chinese patent that authorizes bulletin number is CN204150909U discloses an elevator counterweight frame, it includes the rope sheave subassembly, counterweight block and the last diaphragm on the counterweight frame body, it returns the rope sheave connecting seat to be provided with on the last horizontal edition, it is provided with octagon plum blossom flower-shaped recess on the rope sheave connecting seat to return, be 45 degrees contained angles between every adjacent angle central line, can peg graft different positions with the connecting axle of recess looks adaptation, thereby both can will return rope sheave subassembly horizontal installation on returning the rope sheave connecting seat, also can will return the rope sheave subassembly 45 degrees of inclining left or right and install on returning the rope sheave connecting seat, will return the rope sheave connecting seat at last and return the rope sheave subassembly and fix. The bottom of the rope return wheel connecting seat is provided with two groups of compression springs, the free ends of the compression springs are provided with compression blocks, and the compression blocks are abutted against the counter weight blocks through the force of the compression springs.

The above prior art solutions have the following drawbacks: the counterweight blocks on the counterweight frame of the elevator are only fixed by two groups of compression springs, and the fixing action of the springs is limited; and when less to the pouring weight quantity the spring is longer in the ascending length of vertical direction, the spring that length is longer is probably skew in the horizontal direction, lead to elevator to move to the pouring weight in vertical direction when moving, exempt from to produce mutual striking when moving to the pouring weight in vertical direction, then can lead to the shell of pouring weight or inside core part fracture to drop after the striking, further lead to the counter weight effect to the pouring weight not good, consequently its security is lower.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an elevator is to heavy frame, its advantage that has higher security.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an elevator counterweight frame comprises a traction sheave, counterweight blocks and a counterweight frame, wherein the counterweight frame comprises two straight beams symmetrically arranged along the vertical direction, the straight beams are U-shaped, and openings of the straight beams are oppositely arranged; the top ends of the two straight beams are connected with an upper transverse plate along the horizontal direction, and the bottom ends of the two straight beams are connected with a lower transverse plate along the horizontal direction; the counterweight block is embedded between the two straight beams, two ends of each straight beam in the vertical direction are provided with guide shoes, and the guide shoes are positioned on the end surfaces of the straight beams far away from the counterweight block; the top end of the counterweight block is provided with a limiting block which is embedded between the two straight beams, and the two ends of the limiting block, which are close to the two straight beams, are both connected with a first clamping block and a second clamping block; the straight beam is positioned between the corresponding first fixture block and the second fixture block, and the end surfaces of the first fixture block and the second fixture block, which are close to the corresponding straight beam, are abutted against the outer wall of the straight beam; and a limiting bolt is connected between the first clamping block and the second clamping block.

Through adopting above-mentioned technical scheme, can be with straight roof beam centre gripping between first fixture block and second fixture block after stopper, first fixture block and the setting of second fixture block, spacing bolt makes first fixture block and second fixture block support the straight roof beam tightly to make the stopper can not reciprocate. Alright realize unscrewing the back with spacing bolt, increase and decrease the pouring weight, then the rethread screws up spacing bolt and makes first fixture block and second fixture block support tightly the straight beam and fix the pouring weight. The counterweight blocks are more firmly fixed, and the safety of the counterweight frame is enhanced.

The present invention may be further configured in a preferred embodiment as: a first connecting block and a second connecting block are arranged on one side, away from the limiting block, of the straight beam, the first connecting block is connected with a first clamping block, and the second connecting block is connected with a second clamping block; the end faces, close to the straight beam, of the first connecting block and the second connecting block are abutted to the outer wall of the straight beam, and the limiting bolt is in through connection with the first connecting block and the second connecting block.

Through adopting above-mentioned technical scheme, if only be connected through spacing bolt and first fixture block and second fixture block, first fixture block and second fixture block are limited consequently to be connected unstable inadequately with spacing bolt's area of contact, can strengthen the stability when spacing bolt is connected with first fixture block and second fixture block after first connecting block and the setting of second connecting block.

The present invention may be further configured in a preferred embodiment as: the first fixture block and the second fixture block are connected with a plurality of abutting screws in a threaded mode, wherein one ends of the first fixture block and the second fixture block, which are far away from the straight beam, are connected with the plurality of abutting screws in a threaded mode, and one end of a screw rod of each abutting screw abuts against the outer wall of the straight beam.

Through adopting above-mentioned technical scheme, can make the one end of the screw rod of butt screw tightly support with the outer wall of straight beam after the butt screw sets up, and then restriction stopper reciprocate, guarantee to fix the pouring weight on heavy frame.

The present invention may be further configured in a preferred embodiment as: the first connecting block and the second connecting block are connected with a plurality of connecting screws in a threaded mode, wherein one ends of the first connecting block and the second connecting block, which are far away from the straight beam, are connected with the outer wall of the straight beam in a threaded mode, and one end of a screw rod of each connecting screw abuts against the outer wall of the straight beam.

Through adopting above-mentioned technical scheme, can make the one end of the screw rod of butt screw tightly support with the outer wall of straight beam after the connecting screw sets up, and then restrict reciprocating of stopper, further guarantee to fix the pouring weight on to heavy frame.

The present invention may be further configured in a preferred embodiment as: the top end of the limiting block is vertically provided with a spring, and one end, far away from the limiting block, of the spring is abutted to the bottom end of the upper transverse plate.

Through adopting above-mentioned technical scheme, can give the vertical decurrent pressure of stopper after the spring sets up to guarantee to fix on the counterweight frame the pouring weight.

The present invention may be further configured in a preferred embodiment as: the two springs are distributed along the direction from one straight beam to the other straight beam.

Through adopting above-mentioned technical scheme, the setting of two springs has further strengthened vertical decurrent pressure on the stopper, has further guaranteed to fix on heavy frame the pouring weight.

The present invention may be further configured in a preferred embodiment as: the top end of the limiting block is provided with a spring groove corresponding to the spring.

Through adopting above-mentioned technical scheme, can strengthen the stability of spring after the spring groove sets up, reduce the spring and rock on the horizontal direction.

The present invention may be further configured in a preferred embodiment as: and a vertical rod is arranged in the spring groove and penetrates through the spring.

Through adopting above-mentioned technical scheme, vertical pole sets up the back, can further strengthen the stability of spring, further reduces rocking of spring in the horizontal direction.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the limiting block, the first clamping block, the second clamping block and the limiting bolt, the counterweight block can be better fixed, and the safety of the counterweight frame is enhanced;

2. through the setting of butt screw and connecting screw, can further strengthen the fixed action of stopper to the pouring weight.

Drawings

Fig. 1 is a schematic view showing the overall structure of an elevator counterweight frame according to the present embodiment;

fig. 2 is a rear view of the elevator counterweight frame shown in this embodiment.

In the figure, 1, a counterweight housing; 11. a straight beam; 12. an upper transverse plate; 13. a lower transverse plate; 14. a guide shoe; 2. a traction sheave; 3. to the pouring weight; 4. a limiting block; 41. a first clamping block; 42. a second fixture block; 43. a first connection block; 44. a second connecting block; 45. a limit bolt; 46. an abutment screw; 47. a connecting screw; 48. a spring slot; 481. a spring; 482. a vertical rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an elevator is to heavy frame, including driving sheave 2, counterweight block 3 and counterweight housing 1, counterweight housing 1 includes two straight beams 11 that set up along vertical direction symmetry, and straight beam 11 is the relative setting of opening part of U type and straight beam 11. The top ends of the two straight beams 11 are fixedly connected with an upper transverse plate 12 through bolts along the horizontal direction, and the bottom ends of the two straight beams 11 are fixedly connected with a lower transverse plate 13 through bolts along the horizontal direction. The counterweight block 3 is embedded between the two straight beams 11, two ends of each straight beam 11 in the vertical direction are provided with guide shoes 14, and the guide shoes 14 are positioned on the end surfaces of the straight beams 11 far away from the counterweight block 3.

Referring to fig. 1 and 2, a limiting block 4 is arranged at the top end of the counterweight 3, and the limiting block 4 is embedded between the two straight beams 11. The two ends of the limiting block 4 close to the two straight beams 11 are both connected with a first fixture block 41 and a second fixture block 42, the straight beams 11 are located between the corresponding first fixture block 41 and the corresponding second fixture block 42, and the end surfaces of the first fixture block 41 and the second fixture block 42 close to the corresponding straight beams 11 are abutted to the outer walls of the straight beams 11. One side of the straight beam 11 far away from the limit block 4 is provided with a first connecting block 43 and a second connecting block 44, the end surfaces of the first connecting block 43 and the second connecting block 44 close to the straight beam 11 are both abutted against the outer wall of the straight beam 11, and the end surface of the first connecting block 43 far away from the first fixture block 41 is contacted with the end surface of the second connecting block 44 far away from the second fixture block 42. A limiting bolt 45 is connected between the first clamping block 41 and the second clamping block 42, the limiting bolt 45 is connected with the first connecting block 43 and the second connecting block 44 in a penetrating manner, and the first connecting block 43, the first clamping block 41, the second clamping block 42 and the second connecting block 44 are connected through the limiting bolt 45.

Referring to fig. 1 and 2, a plurality of abutting screws 46 are threadedly connected to ends of the first fixture block 41 and the second fixture block 42, which are far away from the straight beam 11, and one end of a screw of each abutting screw 46 abuts against an outer wall of the straight beam 11. The ends, far away from the straight beam 11, of the first connecting block 43 and the second connecting block 44 are both in threaded connection with a plurality of connecting screws 47, and one end of a screw rod of each connecting screw 47 is abutted to the outer wall of the straight beam 11.

Referring to fig. 1 and 2, two spring grooves 48 are opened at the top end of the limiting block 4, the two spring grooves 48 are distributed along the direction from one straight beam 11 to the other straight beam 11, a spring 481 is vertically arranged in each spring groove 48, one end of the spring 481, which is far away from the limiting block 4, is abutted against the bottom end of the upper cross plate 12, and the length of the spring 481 in a relaxed state is equal to the length of the straight beam 11 in the vertical direction. A vertical rod 482 is arranged in the spring slot 48, the vertical rod 482 penetrates through the spring 481, the inner diameter of the spring 481 is slightly larger than the diameter of the vertical rod 482, and the ratio of the length of the vertical rod 482 in the vertical direction to the length of the vertical beam 11 in the vertical direction is 1: 15.

The implementation principle of the above embodiment is as follows:

when installing or taking off counterweight block 3, dismantle upper transverse plate 12, then unscrew limit bolt 45, unscrew connecting screw 47 and then take off first connecting block 43, then unscrew butt screw 46, can dismantle stopper 4 from straight roof beam 11, then will be to counterweight block 3 inlay card between two straight roof beams 11 or will take off counterweight block 3 from between two straight roof beams 11 as required. And finally, installing the limiting block 4 between the two straight beams 11 and installing the upper transverse plate 12.

The concrete mounting means of stopper 4 does: placing the springs 481 in the corresponding spring slots 48, i.e. the springs 481 are threaded on the corresponding vertical rods 482; then, the first fixture block 41, the first connection block 43, the second connection block 44 and the second fixture block 42 are fixed by the limit bolt 45, and the abutment screw 46 and the connection screw 47 are tightened, so that the abutment screw 46 and the connection screw 47 abut against the straight beam 11.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An elevator counterweight frame comprises a traction sheave (2), counterweight blocks (3) and a counterweight frame (1), wherein the counterweight frame (1) comprises two straight beams (11) symmetrically arranged along the vertical direction, the straight beams (11) are U-shaped, and openings of the straight beams (11) are oppositely arranged; the top ends of the two straight beams (11) are connected with an upper transverse plate (12) along the horizontal direction, and the bottom ends of the two straight beams (11) are connected with a lower transverse plate (13) along the horizontal direction; the counterweight block (3) is embedded between the two straight beams (11), two ends of each straight beam (11) in the vertical direction are provided with guide shoes (14), and the guide shoes (14) are positioned on the end faces, far away from the counterweight block (3), of the straight beams (11); the method is characterized in that: the top end of the counterweight block (3) is provided with a limiting block (4), the limiting block (4) is embedded between the two straight beams (11), and two ends, close to the two straight beams (11), of the limiting block (4) are connected with a first clamping block (41) and a second clamping block (42); the straight beam (11) is positioned between the corresponding first fixture block (41) and the corresponding second fixture block (42), and the end surfaces, close to the corresponding straight beam (11), of the first fixture block (41) and the second fixture block (42) are abutted to the outer wall of the straight beam (11); and a limiting bolt (45) is connected between the first clamping block (41) and the second clamping block (42).

2. An elevator counterweight frame as defined in claim 1, wherein: a first connecting block (43) and a second connecting block (44) are arranged on one side, away from the limiting block (4), of the straight beam (11), the first connecting block (43) is connected with the first clamping block (41), and the second connecting block (44) is connected with the second clamping block (42); the end faces, close to the straight beam (11), of the first connecting block (43) and the second connecting block (44) are abutted to the outer wall of the straight beam (11), and the limiting bolt (45) is connected with the first connecting block (43) and the second connecting block (44) in a penetrating mode.

3. An elevator counterweight frame as defined in claim 1, wherein: and one ends, far away from the straight beam (11), of the first fixture block (41) and the second fixture block (42) are in threaded connection with a plurality of abutting screws (46), and one end of a screw rod of each abutting screw (46) abuts against the outer wall of the straight beam (11).

4. An elevator counterweight frame as defined in claim 2, wherein: the end, far away from the straight beam (11), of the first connecting block (43) and the second connecting block (44) are in threaded connection with a plurality of connecting screws (47), and one end of a screw rod of each connecting screw (47) is abutted to the outer wall of the straight beam (11).

5. An elevator counterweight frame as defined in claim 1, wherein: the top end of the limiting block (4) is vertically provided with a spring (481), and one end, far away from the limiting block (4), of the spring (481) is abutted to the bottom end of the upper transverse plate (12).

6. An elevator counterweight frame as defined in claim 5, wherein: the number of the springs (481) is two, and the two springs (481) are distributed along the direction from one straight beam (11) to the other straight beam (11).

7. An elevator counterweight frame as defined in claim 6, wherein: the top end of the limiting block (4) corresponds to the spring (481) and is provided with a spring groove (48).

8. An elevator counterweight frame as defined in claim 7, wherein: a vertical rod is arranged in the spring groove (48) and penetrates through the spring (481).