Shaftway high-rate rear counter-weight freight elevator structure

Abstract

The utility model relates to the technical field of elevator machinery manufacturing, and particularly discloses a high-rate rear counter-weight freight elevator structure with a shaft. Comprising a lift car, a lift car rope hitch plate, a first lift car guide wheel, a second lift car guide wheel, a third lift car guide wheel, a first lift car bottom wheel, a second lift car bottom wheel, a third lift car bottom wheel, a fourth lift car bottom wheel, a counterweight rope tail plate, a traction assembly, a counterweight assembly and a mounting assembly, the third car guide wheel is arranged on the side, away from the second car guide wheel, of the mounting assembly, the first car bottom wheel, the second car bottom wheel, the third car bottom wheel and the fourth car bottom wheel are all arranged at the bottom of the car, and the traction assembly and the counterweight assembly are arranged on one side of the shaft. And the utilization rate of the well width is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator machinery manufacturing, in particular to a high-interest-rate rear-mounted counterweight freight elevator structure in a hoistway. Background Art

[0002] An elevator refers to a permanent transportation equipment that serves several specific floors in a building, with its car running on at least two rows of rigid rails perpendicular to the horizontal plane or with an inclination angle of less than 15° to the plumb line. The existing freight elevator main unit and counterweight device are located on one side of the car. The wire rope goes down from the rope head of the car, passes over a group of car bottom wheels at the rear side of the bottom of the car, and goes up to the rear guide wheel of the top floor on the other side, then goes out from the front guide wheel of the top floor, goes down to a group of car bottom wheels at the front side of the bottom of the car, goes up to the traction machine, and then goes down from the other side of the traction machine to the first counterweight wheel, then goes up to the counterweight guide wheel on the top floor, then goes down to the second counterweight wheel, and finally returns to the counterweight rope tail plate on the top floor.

[0003] However, in the above-mentioned prior art, the main engine and the counterweight are on one side of the car, resulting in a large space occupied in the width direction of the shaft. When the shaft width is limited, the car width cannot meet customer requirements. Utility Model Content

[0004] The purpose of the utility model is to provide a high-interest-rate rear-mounted counterweight freight elevator structure in the hoistway, aiming to solve the technical problem in the prior art that the main engine and the counterweight are on one side of the car, resulting in a large space occupied in the direction of the hoistway width, and when the hoistway width is limited, the car width cannot meet customer requirements.

[0005] To achieve the above-mentioned purpose, the utility model adopts a shaft high-interest rate rear-mounted counterweight freight elevator structure, including a car, a car rope end plate, a first car guide wheel, a second car guide wheel, a third car guide wheel, a first car bottom wheel, a second car bottom wheel, a third car bottom wheel, a fourth car bottom wheel, a counterweight rope tail plate, a traction assembly, a counterweight assembly and an installation assembly, the installation assembly is arranged on the outside of the car, the car rope end plate and the counterweight rope tail plate are both arranged on one side of the installation assembly, the first car guide wheel and the second car guide wheel are both arranged on one side of the installation assembly, the third car guide wheel is arranged on the side of the installation assembly away from the second car guide wheel, the first car bottom wheel, the second car bottom wheel, the third car bottom wheel and the fourth car bottom wheel are all arranged at the bottom of the car, and the traction assembly and the counterweight assembly are arranged on one side of the shaft.

[0006] Among them, the installation assembly includes a first guide wheel beam, a second guide wheel beam and two third guide wheel beams, the first guide wheel beam and the second guide wheel beam are respectively arranged on both sides of the well, the two third guide wheel beams are symmetrically arranged between the first guide wheel beam and the second guide wheel beam, and the two ends of each group of the third guide wheel beams are respectively connected to the first guide wheel beam and the second guide wheel beam.

[0007] The traction assembly includes a traction machine, a back-pressure wheel and a support member, the support member is arranged inside the hoistway, the back-pressure wheel is arranged on the bottom surface of the support member, and the traction machine is arranged on the upper surface of the support member.

[0008] Wherein, the support member includes two main machine load-bearing beams, and the two main machine load-bearing beams are both arranged inside the well.

[0009] Wherein, the counterweight assembly includes a first counterweight wheel, a second counterweight wheel, a counterweight return pulley and a counterweight frame, the counterweight frame is arranged inside the shaft, the first counterweight wheel and the second counterweight wheel are both arranged on the upper surface of the counterweight frame, and the counterweight return pulley is arranged on the upper surface of the two main machine load-bearing beams.

[0010] The utility model discloses a high-rate rear-mounted counterweight freight elevator structure for the shaft. When it is used, the wire rope is led out from the rope head plate of the car and then passes around the first car bottom wheel and the second car bottom wheel in sequence, then passes around the first car guide wheel, then comes out from the second car guide wheel, then passes around the third car bottom wheel and the fourth car bottom wheel in sequence, then passes around the third car guide wheel, then enters from the left side of the traction assembly, then passes around the counterweight assembly from the other side of the traction assembly, and finally returns to the counterweight rope tail plate, so that the traction assembly and the counterweight assembly are located at the rear side of the shaft, thereby improving the utilization rate of the shaft width. This method can effectively solve the problem in the prior art that the main engine and counterweight are on one side of the car, resulting in a large space occupied in the shaft width direction, and when the shaft width is limited, the car width cannot meet customer requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] 101-car, 102-car rope head plate, 103-first car guide wheel, 104-second car guide wheel, 105-third car guide wheel, 106-first car bottom wheel, 107-second car bottom wheel, 108-third car bottom wheel, 109-fourth car bottom wheel, 110-counterweight rope tail plate, 111-first guide wheel beam, 112-second guide wheel beam, 113-third guide wheel beam, 114-traction machine, 115-back pressure wheel, 116-main engine load-bearing beam, 117-first counterweight wheel, 118-second counterweight wheel, 119-counterweight counter rope wheel, 120-counterweight frame, 121-hoistway. DETAILED DESCRIPTION

[0014] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0015] See also Figure 1 , Figure 1 It is a structural diagram of the present utility model.

[0016] The utility model provides a high-interest-rate rear-mounted counterweight freight elevator structure in a hoistway, comprising a car 101, a car rope end plate 102, a first car guide wheel 103, a second car guide wheel 104, a third car guide wheel 105, a first car bottom wheel 106, a second car bottom wheel 107, a third car bottom wheel 108, a fourth car bottom wheel 109, a counterweight rope tail plate 110, a traction assembly, a counterweight assembly and an installation assembly, wherein the installation assembly is arranged on the outside of the car 101, the car rope end plate 102 and the counterweight rope tail plate 110 are installed on the outside of the car 101, and the car rope end plate 102 and the counterweight rope tail plate 110 are installed on the outside of the car 101. 0 are all arranged on one side of the mounting assembly, the first car guide wheel 103 and the second car guide wheel 104 are both arranged on one side of the mounting assembly, the third car guide wheel 105 is arranged on the side of the mounting assembly away from the second car guide wheel 104, the first car bottom wheel 106, the second car bottom wheel 107, the third car bottom wheel 108 and the fourth car bottom wheel 109 are all arranged at the bottom of the car 101, and the traction assembly and the counterweight assembly are arranged on one side of the hoistway 121.

[0017] In this embodiment, the wire rope is led out from the car rope end plate 102, and then passes around the first car bottom wheel 106 and the second car bottom wheel 107 in sequence, and then passes around the first car guide wheel 103, and then comes out from the second car guide wheel 104, and then passes around the third car bottom wheel 108 and the fourth car bottom wheel 109 in sequence, and then passes around the third car guide wheel 105, and then enters from the left side of the traction assembly, and then passes around the counterweight assembly from the other side of the traction assembly, and finally returns to the counterweight rope tail plate 110, so that the traction assembly and the counterweight assembly are located on the rear side of the shaft 121, thereby improving the utilization rate of the shaft 121 width.

[0018] Furthermore, the installation assembly includes a first guide wheel beam 111, a second guide wheel beam 112 and two third guide wheel beams 113. The first guide wheel beam 111 and the second guide wheel beam 112 are respectively arranged on both sides of the shaft 121, and the two third guide wheel beams 113 are symmetrically arranged between the first guide wheel beam 111 and the second guide wheel beam 112. The two ends of each group of the third guide wheel beams 113 are respectively connected to the first guide wheel beam 111 and the second guide wheel beam 112.

[0019] In this embodiment, the first guide wheel beam 111 and the second guide wheel beam 112 are connected by the two third guide wheel beams 113 .

[0020] Furthermore, the traction assembly includes a traction machine 114, a back-pressure wheel 115 and a support member, the support member is arranged inside the shaft 121, the back-pressure wheel 115 is arranged on the bottom surface of the support member, and the traction machine 114 is arranged on the upper surface of the support member.

[0021] In this embodiment, the steel wire rope is wound downwardly to the counter-pressure wheel 115 , then returned to the left side of the traction machine 114 , and then wound out from the other side of the traction machine 114 .

[0022] Furthermore, the support member includes two main machine load-bearing beams 116 , and the two main machine load-bearing beams 116 are both arranged inside the hoistway 121 .

[0023] In this embodiment, the two main machine load-bearing beams 116 are used to support the traction machine 114 and the counter-pressure wheel 115 .

[0024] Furthermore, the counterweight assembly includes a first counterweight wheel 117, a second counterweight wheel 118, a counterweight return pulley 119 and a counterweight frame 120. The counterweight frame 120 is arranged inside the shaft 121. The first counterweight wheel 117 and the second counterweight wheel 118 are both arranged on the upper surface of the counterweight frame 120, and the counterweight return pulley 119 is arranged on the upper surface of the two main machine load-bearing beams 116.

[0025] In this embodiment, the steel wire rope is passed around the first counterweight pulley 117 , then passed upward to the counterweight return pulley 119 , and then passed downward to the second counterweight pulley 118 .

[0026] The beneficial effects of the present invention are as follows: the steel wire rope is led out from the car rope end plate 102, and then passes through the first car bottom wheel 106 and the second car bottom wheel 107 in sequence, and then passes through the first car guide wheel 103, and then passes through the second car guide wheel 104, and then passes through the third car bottom wheel 108 and the fourth car bottom wheel 109 in sequence, and then passes through the third car guide wheel 105, and then passes down to the back pressure wheel 115, and then returns to the left side of the traction machine 114, and then passes through the traction machine 116. The other side of 14 is wound around the first counterweight pulley 117, then upwardly wound around the counterweight return rope pulley 119, then downwardly wound around the second counterweight pulley 118, and finally returned to the counterweight rope tail plate 110, so that the traction machine 114 and the counterweight are located on the rear side of the shaft 121, thereby improving the utilization rate of the width of the shaft 121. This method can effectively solve the problem in the prior art that the main machine and the counterweight are on one side of the car, resulting in a large space occupied in the direction of the shaft width, and when the shaft width is limited, the car width cannot meet customer requirements.

[0027] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the utility model.

Claims

1. A high-rate rear-mounted counterweight freight elevator structure, characterized in that: It includes a car, a car rope end plate, a first car guide wheel, a second car guide wheel, a third car guide wheel, a first car bottom wheel, a second car bottom wheel, a third car bottom wheel, a fourth car bottom wheel, a counterweight rope tail plate, a traction assembly, a counterweight assembly and an installation assembly, the installation assembly is arranged on the outside of the car, the car rope end plate and the counterweight rope tail plate are both arranged on one side of the installation assembly, the first car guide wheel and the second car guide wheel are both arranged on one side of the installation assembly, the third car guide wheel is arranged on the side of the installation assembly away from the second car guide wheel, the first car bottom wheel, the second car bottom wheel, the third car bottom wheel and the fourth car bottom wheel are all arranged at the bottom of the car, and the traction assembly and the counterweight assembly are arranged on one side of the shaft.

2. The high-rate rear-mounted counterweight freight elevator structure according to claim 1, characterized in that: The mounting assembly includes a first guide wheel beam, a second guide wheel beam and two third guide wheel beams. The first guide wheel beam and the second guide wheel beam are respectively arranged on both sides of the well. The two third guide wheel beams are symmetrically arranged between the first guide wheel beam and the second guide wheel beam. The two ends of each group of the third guide wheel beams are respectively connected to the first guide wheel beam and the second guide wheel beam.

3. The high-rate rear-mounted counterweight freight elevator structure according to claim 2, characterized in that: The traction assembly includes a traction machine, a back pressure wheel and a support member, the support member is arranged inside the hoistway, the back pressure wheel is arranged on the bottom surface of the support member, and the traction machine is arranged on the upper surface of the support member.

4. The high-rate rear-mounted counterweight freight elevator structure according to claim 3, characterized in that: The support member includes two main machine load-bearing beams, and the two main machine load-bearing beams are both arranged inside the hoistway.

5. The high-rate rear-mounted counterweight freight elevator structure according to claim 4, characterized in that: The counterweight assembly includes a first counterweight wheel, a second counterweight wheel, a counterweight return pulley and a counterweight frame. The counterweight frame is arranged inside the hoistway. The first counterweight wheel and the second counterweight wheel are both arranged on the upper surface of the counterweight frame. The counterweight return pulley is arranged on the upper surface of the two main machine load-bearing beams.

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