CN216549149U

CN216549149U - Manual regulator for traction sheave of elevator

Info

Publication number: CN216549149U
Application number: CN202122602520.8U
Authority: CN
Inventors: 沈夏阳; 张鹏曌; 袁征; 马海麟; 朱宇华
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-17
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to a manual adjuster of an elevator traction wheel, which comprises a base, a fixed box fixed on the base through two support rods, a circular turntable, a rotating shaft penetrating through a rotating hole in the center of the turntable, a wrench mechanism arranged on the surface of the turntable and a locking mechanism arranged in a ratchet cavity in the fixed box, wherein one end of the rotating shaft extends into the ratchet cavity, and the other end of the rotating shaft penetrates through the center of the turntable and then is embedded into a groove of the elevator traction wheel through a clamping block for clamping transmission. Compared with the prior art, the utility model has the advantages of convenient operation, safety, labor saving, adjustable force arm, stable support and the like.

Description

Manual regulator for traction sheave of elevator

Technical Field

The utility model relates to the technical field of elevator safety rescue, in particular to a manual regulator for an elevator traction sheave.

Background

With the accelerated process of urbanization in China, various high-rise buildings are pulled out of the ground, elevators are required to be built in the construction of the high-rise buildings, the construction of the elevators is greatly convenient for high-rise people to come in and go out, and people can live in the high-rise buildings possibly.

However, in the running process of the elevator, various problems occur, including the fault shutdown of the elevator, when people are trapped in the elevator, the height difference between the car and the floor is caused due to the fault shutdown of the elevator, the car needs to be moved to be level with the floor, at the moment, the car needs to be level with the floor by manually rotating the traction sheave, the existing adjusting mode is manual adjustment through an adjusting disc, but the mode has the potential safety hazard of reversing the traction sheave.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the manual adjuster for the elevator traction sheave, the difficulty degree of manual adjustment is changed by adjusting the moment, the traction sheave can be finely adjusted by manual adjustment, and the rescue of workers is facilitated.

The purpose of the utility model can be realized by the following technical scheme:

a manual adjuster of an elevator traction wheel comprises a base, a fixed box fixed on the base through two support rods, a circular turntable, a rotating shaft penetrating through a rotating hole in the center of the turntable, a wrench mechanism arranged on the surface of the turntable and a locking mechanism arranged in a ratchet cavity in the fixed box, wherein one end of the rotating shaft extends into the ratchet cavity, and the other end of the rotating shaft is embedded into an elevator traction wheel groove through a fixture block for clamping transmission after penetrating through the center of the turntable.

Preferably, the wrench mechanism includes a wrench extension assembly, a wrench fixing assembly and a wrench support assembly, the wrench extension assembly is circumferentially disposed along the surface of the turntable, the wrench fixing assembly is used for adjusting and fixing the length of the wrench extension assembly, and the wrench support assembly is used for rotatably supporting when the wrench extension assembly is rotated.

Preferably, the wrench extension assembly comprises a fixing plate with a sliding groove, a sliding rod extending and sliding in the sliding groove and a handle connected with the sliding rod, the extending and retracting direction of the sliding rod in the sliding groove is the same as the diameter direction of the rotary table, and the length of the rotating force arm is adjusted by adjusting the length of the sliding rod extending out of the sliding groove.

Preferably, the outer side of the handle is provided with an anti-slip sleeve.

Preferably, the wrench fixing component comprises a ratchet bar fixed on the sliding rod, supporting blocks respectively fixed on two side edges of the sliding groove of the fixing plate, a rotating rod rotatably arranged between the two supporting blocks, a torsion spring sleeved on the rotating rod and pre-tightened, and a first pawl and a pressing block respectively fixedly installed on two sides of the rotating rod, wherein the first pawl is in clamping fit with the ratchet bar, and the first pawl is clamped with the ratchet bar by pressing the pressing block.

Preferably, the wrench supporting component comprises a fixed block fixed on the surface of the rotary table and parallel to the side face of the fixed plate, and a supporting plate threaded rod fixed at the inner end of the fixed block, wherein when the handle is rotated, the inner end of the threaded rod sequentially penetrates through a screw hole in the fixed block and a hole in the side face of the fixed plate, and then the threaded rod is screwed to enable the supporting plate and the ratchet strip to be compressed and supported.

Preferably, the locking mechanism comprises a ratchet fixed at one end of the rotating shaft extending into the ratchet cavity, a supporting seat fixed at the bottom in the ratchet cavity, a second pawl with one end hinged to the supporting seat and the other end in clamping fit with the ratchet, and a spring connecting the second pawl and the supporting seat.

Preferably, the two support rods are arranged in a splayed shape, the bottom ends of the two support rods are fixed on the base, and the top ends of the two support rods are fixedly connected with the two side faces of the fixed box.

Preferably, at least 2 wrench mechanisms are provided.

Preferably, the anti-skid sleeve is provided with a plurality of anti-skid sleeves.

Compared with the prior art, the utility model has the following advantages:

the traction sheave adjusting mechanism is provided with a clamping block matched with the traction sheave, the clamping block is fixedly arranged on a rotating shaft, the rotating shaft rotates through a rotating disc, and a wrench mechanism is arranged on the rotating disc and can enable the rotating disc to rotate more laborsavingly, so that the traction sheave is adjusted more conveniently.

The wrench mechanism is provided with the wrench extension assembly, and the wrench extension assembly can adjust the force arm, so that the rotation of the rotary table is more convenient and adjustable, the labor is saved, and the efficiency of workers is improved.

And thirdly, the wrench fixing component is arranged on the wrench mechanism, and the component can be used for randomly fixing the extending length of the slide rod, so that the slide rod can be adjusted and fixed simultaneously, and the wrench mechanism is more convenient and faster.

And fourthly, the wrench supporting component is arranged on the wrench mechanism, and the component can stably support the sliding rod during rotation, so that the sliding rod is more stable during rotation.

And fifthly, the locking mechanism is arranged at the tail end of the rotating shaft, so that personnel injury caused by the reverse rotation of the elevator traction sheave can be prevented, and the elevator traction sheave is safer.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a sectional view taken along a line a-a in fig. 1.

Fig. 4 is a partially enlarged view of fig. 1 at B.

Fig. 5 is a partially enlarged view of C in fig. 1.

The notation in the figure is:

1. the device comprises a base, 2, a support rod, 3, a fixed box, 4, a rotating disc, 5, a clamping block, 6, a ratchet cavity, 701, a sliding groove, 702, a sliding rod, 703, a handle, 704, an anti-skidding sleeve, 801, a support block, 802, a rotating rod, 803, a torsion spring, 804, a ratchet bar, 805, a first pawl, 806, a pressing block, 901, a threaded rod, 902, a fixed block, 903, a support plate, 904, a hole, 10, a rotating shaft, 1101, a ratchet, 1102, a second pawl, 1103, a spring, 1104 and a support seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a manual adjuster for an elevator traction sheave, which comprises a base 1, two support rods 2, a fixed box 3, a rotary table 4, two clamping blocks 5, a rotary shaft 10, a wrench mechanism and a locking mechanism, wherein the two support rods 2 are arranged in a splayed shape, the bottom ends of the two support rods 2 are fixed on the base 1, the tops of the two support rods 2 are fixedly arranged on two side surfaces of the fixed box 3, one end of the rotary shaft 10 is rotatably connected with the fixed box 3, the other end of the rotary shaft 10 penetrates through the rotary table 4 and then is fixedly provided with the clamping block 5, the rotary table 4 is fixedly arranged in the middle of the rotary shaft 10 and is positioned between the fixed box 3 and the clamping block 5, the wrench mechanism is provided with at least two groups, the wrench mechanism is uniformly arranged on the surface of the rotary table 4 along the circumferential direction, a ratchet cavity 6 is arranged in the fixed box 3, the locking mechanism is arranged in the ratchet cavity 6, the locking mechanism is arranged in a linkage way with the rotating shaft 10, and the fixture block 5 is matched with a groove of the elevator traction sheave for transmission.

The wrench mechanism comprises a wrench extension assembly, a wrench fixing assembly and a wrench supporting assembly, the wrench extension assembly comprises a fixing plate with a sliding groove 701, a sliding rod 702, a handle 703 and an anti-skidding sleeve 704, the fixing plate is fixedly arranged on the surface of the rotating disc 4 along the diameter direction of the rotating disc 4, the sliding groove 701 is formed in the fixing plate, the sliding rod 702 is slidably arranged in the sliding groove 701, the handle 703 is fixedly arranged at one end, away from the center of the rotating disc 4, of the sliding rod 702, the anti-skidding sleeve 704 is provided in a plurality, and the anti-skidding sleeve 704 is uniformly sleeved on the handle 703; the wrench fixing component is arranged above the sliding rod 702 and is in linkage with the sliding rod 702, and the wrench supporting component is arranged on the side face of one end of the sliding groove 701, which is far away from the center of the rotary table 4; through the length that changes slide bar 702 and stretch out spout 701, and then adjust the distance at hand (hold) 703 to the center of carousel 4, thereby change arm of force length, it is more convenient to make carousel 4 rotate, after the distance at hand (hold) 703 to carousel 4 center is adjusted, fix both relative position through spanner fixed establishment, thereby rotate carousel 4, when beginning rotatory slide bar 702, can support slide bar 702 through spanner supporting component, prevent rocking of slide bar 702, antiskid cover 704 can play skid-proof effect simultaneously.

The wrench fixing component comprises a supporting block 801, a rotating rod 802, a torsion spring 803, a ratchet bar 804, a first pawl 805 and a pressing block 806, the ratchet bar 804 is fixedly installed at the top end of the sliding rod 702, two supporting blocks 801 are arranged, the two supporting blocks 801 are fixedly installed on the upper surface of the sliding groove 701, the rotating rod 802 is fixedly installed between the two supporting blocks 801, the first pawl 805 is rotatably installed in the middle of the rotating rod 802, the first pawl 805 and the ratchet bar 804 are clamped, the torsion spring 803 is installed between the first pawl 805 and the supporting blocks 801, and the pressing block 806 is fixedly installed at the other end of the first pawl 805. Under the normal state, the torsion spring 803 in the pre-tightening state enables the first pawl 805 and the ratchet strip 804 to be clamped, when the ratchet strip 804 moves away from the center of the turntable 4, the first pawl 805 rotates upwards to enable the ratchet strip 804 to move, when the ratchet teeth of the ratchet strip 804 slide, the torsion spring 803 resets the rotation of the first pawl 805, when the ratchet strip 804 moves in the opposite direction, the first pawl 805 and the ratchet strip 804 are clamped to prevent the movement, and when the ratchet strip 804 needs to move towards the center of the turntable 4, the pressing block 806 is pressed to enable the first pawl 805 and the ratchet strip 804 to be separated.

The wrench supporting component comprises a threaded rod 901, a fixed block 902, a supporting plate 903 and a hole 904, the hole 904 is formed in the side face of one end, away from the center of the rotary disc 4, of the fixed plate, the fixed block 902 is fixedly installed on the rotary disc 4 and located on the front side of the hole 904, the threaded rod 901 penetrates through the fixed block 902 and is in threaded connection with the fixed block 902, one end of the threaded rod 901 extends into the hole 904, and the supporting plate 903 is fixedly installed at one end, extending into the hole 904, of the threaded rod 901; when the ratchet 804 needs to be rotated, the support plate 903 supports the ratchet 804 by rotating the threaded rod 901 to make the support plate 903 contact with the ratchet 804 so as to rotate the ratchet 804 toward one side of the support plate 903.

The locking mechanism comprises a ratchet 1101, a second pawl 1102, a spring 1103 and a support base 1104, the ratchet 1101 is fixedly installed at one end of the rotating shaft 10, which is located inside the ratchet cavity 6, the support base 1104 is fixedly installed inside the ratchet cavity 6, the bottom end of the second pawl 1102 is hinged to the support base 1104, the top end of the second pawl 1102 is clamped with the ratchet 1101, one end of the spring 1103 is fixedly connected with the middle of the second pawl 1102, the other end of the spring 1103 is fixedly connected with the support base 1104, and the spring 1103 has the function of giving the second pawl 1102 a force in the direction of the ratchet 1101, so that the second pawl 1102 is clamped with the ratchet 1101.

The working process of the utility model is specifically as follows:

the adjuster is firstly fixed with the ground, then the fixture block 5 is clamped into a rotating shaft groove of the traction sheave, then the extending length of the sliding rod 702 is adjusted, after the length of the sliding rod 702 is adjusted, the threaded rod 901 is rotated, the supporting plate 903 is enabled to be propped against the sliding rod 702, then the handle 703 is held by a hand to rotate the sliding rod 702 towards the direction of the supporting plate 903, so that the rotary table 4 is driven to rotate, the rotary table 4 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the fixture block 5 to rotate, so that the rotation of the traction sheave is driven, the rotating shaft 10 arranged in the ratchet cavity 6 can rotate in the same direction as the rotating direction, when the sliding rod 702 rotates in the opposite direction, the ratchet 1101 and the second pawl 1102 are locked to prevent the rotation, and therefore when a worker loosens the traction sheave can be prevented from being overturned, and the injury to the worker can be caused. After the work is finished, the press block 806 is pressed to retract the sliding rod 702 into the sliding groove 701, and then the press block 806 is put down.

Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims

1. The manual regulator is characterized by comprising a base (1), a fixing box (3) fixed on the base (1) through two support rods (2), a circular turntable (4), a rotating shaft (10) penetrating through a center rotating hole of the turntable (4), a wrench mechanism arranged on the surface of the turntable (4) and a locking mechanism arranged in a ratchet cavity (6) in the fixing box (3), wherein one end of the rotating shaft (10) extends into the ratchet cavity (6) and the other end of the rotating shaft is embedded into a groove of the elevator traction wheel through a clamping block (5) to be in clamping transmission after penetrating through the center of the turntable (4).

2. The manual adjuster of an elevator traction sheave according to claim 1, wherein the wrench mechanism includes a wrench extension member disposed circumferentially along the surface of the turntable (4), a wrench fixing member for adjusting the length of the wrench extension member, and a wrench support member for rotatably supporting the wrench extension member when rotated.

3. The manual adjuster of an elevator traction sheave according to claim 2, wherein the wrench extension assembly includes a fixed plate having a sliding groove (701), a sliding rod (702) telescopically sliding in the sliding groove (701), and a handle (703) connected to the sliding rod (702), the telescopic direction of the sliding rod (702) in the sliding groove (701) is the same as the diameter direction of the rotating disc (4), and the length of the rotation arm is adjusted by adjusting the length of the sliding rod (702) extending out of the sliding groove (701).

4. The manual adjuster of an elevator traction sheave according to claim 3, characterized in that the handle (703) is provided with an anti-slip cover (704) on the outside.

5. The manual adjuster of an elevator traction sheave according to claim 3, wherein the wrench fixing assembly comprises a ratchet bar (804) fixed on the sliding rod (702), supporting blocks (801) respectively fixed on two side edges of the fixed plate sliding groove (701), a rotating rod (802) rotatably arranged between the two supporting blocks (801), a torsion spring (803) sleeved on the rotating rod (802) and preloaded, and a first pawl (805) and a pressing block (806) respectively fixedly installed on two sides of the rotating rod (802), wherein the first pawl (805) is engaged with the ratchet bar (804), and the first pawl (805) is engaged with the ratchet bar (804) by pressing the pressing block (806).

6. The manual adjuster of an elevator traction sheave according to claim 5, wherein the wrench supporting assembly comprises a fixing block (902) fixed on the surface of the turntable (4) and parallel to the side surface of the fixing plate, and a threaded rod (901) with a supporting plate (903) fixed at the inner end, when the handle (703) is rotated, the inner end of the threaded rod (901) sequentially passes through a threaded hole in the fixing block (902) and a hole (904) in the side surface of the fixing plate, and the supporting plate (903) and the ratchet bar (804) are pressed and supported by screwing the threaded rod (901).

7. The manual adjuster of an elevator traction sheave according to claim 1, wherein the locking mechanism comprises a ratchet (1101) fixed to one end of the rotating shaft (10) extending into the ratchet cavity (6), a supporting seat (1104) fixed to the bottom of the ratchet cavity (6), a second pawl (1102) having one end hinged to the supporting seat (1104) and the other end snap-fitted to the ratchet (1101), and a spring (1103) connecting the second pawl (1102) and the supporting seat (1104).

8. The manual adjuster of the traction sheave of the elevator as claimed in claim 1, wherein the two support rods (2) are arranged in a splayed shape, the bottom ends of the two support rods are fixed on the base (1), and the top ends of the two support rods are fixedly connected with the two side surfaces of the fixed box (3).

9. The manual adjuster of an elevator traction sheave according to claim 1, wherein there are at least 2 wrench mechanisms.

10. The manual adjuster of an elevator traction sheave according to claim 4, characterized in that the slip-preventing bush (704) is provided in plurality.