Lift car fixing device for elevator test

Abstract

The utility model relates to a car fixing device for an elevator test, which comprises a lower bracket and an upper fixing frame, two ends of the lower bracket are clamped on a car frame, the lower bracket is provided with a position-adjustable car connecting seat, and the car connecting seat is connected with the bottom of a car through bolts; the upper fixing frame comprises a car clamping seat clamped at the corner of the top of the car, a car frame side clamping seat clamped on a car frame side column and a car frame upper clamping seat clamped on the top of the car frame, and the car clamping seat is connected with the car frame side clamping seat and the car frame upper clamping seat through a supporting screw and a supporting nut which are screwed. The car fixing device has the beneficial effects that the car is fixed in the car frame through cooperation of the lower bracket and the upper fixing frame, meanwhile, the top and the bottom of the car are fixed, the firmness of connection between the car and the car frame is improved, and the degree of dependence on a single fixing piece is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator testing, in particular to a car fixing device used for elevator testing. Background Art

[0002] When testing the elevator car, the car and the car frame need to be fixed, and the matching car and the car frame can be directly installed and connected, but the number of test shafts of elevator manufacturers is limited. Generally, a set of universal car frames are installed in the shaft, and then different types of cars are fixed to the car frames through fixing devices.

[0003] In the utility model patent with application number 202022727149.3 and patent name "A car fixing device for elevator testing", the spacing between the first mounting block and the second mounting block can be changed by sliding the second mounting block on the pallet, so that the span of the two car mounting grooves can match the cars of different widths. At the same time, the car mounting groove is arranged along the length direction of the first mounting block, so that the car mounting groove can adapt to cars of different lengths, thereby realizing the connection and fixation of the pallet with cars of different sizes, and then realizing the installation of cars of different sizes in a shaft, and realizing type testing of cars of various specifications in the same shaft, saving elevator production costs, and facilitating promotion and use in the elevator industry.

[0004] However, only the bottom of the car is fixed, and the top of the car is not fixed. When the car descends along with the car frame, the pressure on the fixing device is too great, and high quality requirements are imposed. Utility Model Content

[0005] The purpose of the utility model is to overcome the above problems existing in the prior art and provide a car fixing device for elevator testing.

[0006] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0007] A car fixing device for elevator testing comprises a lower bracket and an upper fixing frame, wherein the two ends of the lower bracket are clamped on the car frame, the lower bracket is provided with a position-adjustable car connecting seat, and the car connecting seat is connected to the bottom of the car with bolts; the upper fixing frame comprises a car clamping seat clamped at the corner of the top of the car, a car frame side clamping seat clamped on the side column of the car frame, and a car frame upper clamping seat clamped on the top of the car frame, and the car clamping seat is connected to the car frame side clamping seat and the car frame upper clamping seat respectively through screwed support screws and support nuts.

[0008] Among them, the lower bracket includes a supporting beam with a U-shaped cross-section, two lower brackets of the car frame with U-shaped cross-sections, two L-shaped car connecting brackets, and two first connecting plates. The two lower brackets of the car frame are respectively welded to the two ends of the supporting beam, and two first strip holes are respectively arranged on the top of the two ends of the supporting beam. The car connecting bracket and the first connecting plate are connected with the first half-thread bolts passing through the first strip holes; two sets of threaded long bolts and hexagonal nuts are installed on the lower bracket of the car frame.

[0009] Among them, the lower bracket also includes two L-shaped car limit seats and two second connecting plates. A second strip hole is arranged on the side walls at both ends of the support beam. The car limit seat and the second connecting plate are connected with a second half-thread bolt passing through the second strip hole. The top end of the car limit seat is higher than the top end of the support beam.

[0010] Wherein, a first screw for connecting with the car is screwed on the car connecting seat, and a second screw for connecting with the car frame is screwed on the lower clamping seat of the car frame.

[0011] Among them, the car seat includes a rectangular first clamping plate, a rectangular second clamping plate, two mutually parallel first support plates, and two mutually parallel second support plates, the top of the first clamping plate is fixedly connected to one side of the second clamping plate, and the first clamping plate and the second clamping plate are perpendicular to each other; the two first support plates are fixedly connected to the side of the first clamping plate away from the second clamping plate, and a first support nut is rotatably installed between the two first support plates, two first support screws perpendicular to the bottom end of the clamping plate on the car frame are fixedly connected to the bottom end of the clamping plate on the car frame, and the first support screws are screwed with the first support nut; the two second support plates are fixedly connected to the top end of the second clamping plate, and a second support nut is rotatably installed between the two second support plates, and a second support screw is fixedly connected to one end of the car frame side clamping plate facing the second support plate, and the second support screw is screwed with the second support nut.

[0012] Among them, reinforcing ribs are fixedly connected between the first support plate and the first clamping plate, and between the second support plate and the second clamping plate.

[0013] Wherein, the car frame side card seat and the car frame upper card seat are both U-shaped, and the cross section of the car frame side card seat and the cross section of the car frame upper card seat are both U-shaped.

[0014] The beneficial effects of the utility model are as follows: the car is fixed in the car frame by the cooperation of the lower bracket and the upper fixing frame, and the top and the bottom of the car are fixed at the same time, so that the firmness of the connection between the car and the car frame is improved and the dependence on a single fixing part is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a structural schematic diagram of the combination of the car fixing device, the car frame and the car in the utility model;

[0017] Figure 2 It is a structural schematic diagram of the lower bracket in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the head of the lower bracket in the utility model from the first perspective;

[0019] Figure 4 It is a structural schematic diagram of the lower bracket head in the utility model from a second viewing angle;

[0020] Figure 5 It is a structural schematic diagram of the upper fixing frame in the utility model;

[0021] Explanation of the numbers in the figures: car frame 100, car 200, lower bracket 1, support beam 11, first strip hole 111, second strip hole 112, car frame lower seat 12, long bolt 121, hexagonal nut 122, second screw 123, car connecting seat 13, first screw 131, first connecting plate 14, first half-thread bolt 15, car limit seat 16, second connecting plate 17, second half-thread bolt 18, upper fixing frame 2, car seat 21, first clamping plate 211, second clamping plate 212, first support plate 213, second support plate 214, first support nut 215, first support screw 216, second support nut 217, second support screw 218, reinforcing rib 219, car frame side seat 22, car frame upper seat 23. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0023] like Figures 1 to 5 As shown, a car fixing device for elevator testing includes a lower bracket 1 and an upper fixing frame 2. Both ends of the lower bracket 1 are clamped on the car frame 100. The lower bracket 1 is provided with a car connecting seat with adjustable position, and the car connecting seat is connected to the bottom of the car 200 with bolts; the upper fixing frame 2 includes a car clamping seat 21 clamped at the top corner of the car 200, a car frame side clamping seat 22 clamped on the car frame side column, and a car frame upper clamping seat 23 clamped on the top of the car frame. The car clamping seat 21 is connected to the car frame side clamping seat 22 and the car frame upper clamping seat 23 respectively through screwed support screws and support nuts.

[0024] The lower bracket 1 includes a joist 11 with a U-shaped cross-section, two lower car frame seats 12 with U-shaped cross-sections, two L-shaped car connection seats 13, and two first connecting plates 14. The two lower car frame seats 12 are respectively welded to the two ends of the joist 11, and two first strip holes 111 are respectively provided on the top of the two ends of the joist 11. The car connection seat 13 and the first connecting plate 14 are connected with the first half-thread bolts 15 passing through the first strip holes 111; two sets of long bolts 121 and hexagonal nuts 122 that are threaded together are installed on the lower car frame seat 12.

[0025] The lower bracket 1 also includes two L-shaped car limit seats 16 and two second connecting plates 17. A second strip hole 112 is provided on the side walls at both ends of the joist 11. The car limit seat 16 and the second connecting plate 17 are connected by a second half-thread bolt 18 passing through the second strip hole 112. The top of the car limit seat 16 is higher than the top of the joist 11.

[0026] A first screw 131 for connecting with the car 200 is screwed on the car connecting seat 13 , and a second screw 123 for connecting with the car frame 100 is screwed on the lower clamping seat 12 of the car frame.

[0027] The car seat 21 includes a rectangular first clamping plate 211, a rectangular second clamping plate 212, two mutually parallel first support plates 213, and two mutually parallel second support plates 214. The top of the first clamping plate 211 is fixedly connected to one side of the second clamping plate 212, and the first clamping plate 211 and the second clamping plate 212 are perpendicular to each other; the two first support plates 213 are fixedly connected to the side of the first clamping plate 211 away from the second clamping plate 212, and a first support nut 214 is rotatably installed between the two first support plates 213. 15. Two first support screws 216 perpendicular to the bottom end of the upper card seat 23 of the car frame are fixedly connected to the bottom end, and the first support screws 216 are screwed with the first support nuts 215; two second support plates 214 are fixedly connected to the top ends of the second card plates 212, and a second support nut 217 is rotatably installed between the two second support plates 214. A second support screw 218 is fixedly connected to one end of the car frame side card seat 22 facing the second support plate 214, and the second support screw 218 is screwed with the second support nut 217.

[0028] Reinforcement ribs 219 are fixedly connected between the first support plate 213 and the first clamping plate 211 , and between the second support plate 214 and the second clamping plate 212 .

[0029] The car frame side card seat 22 and the car frame upper card seat 23 are both U-shaped, and the cross section of the car frame side card seat 22 and the cross section of the car frame upper card seat 23 are both U-shaped.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A car fixing device for elevator testing, characterized in that: It includes a lower bracket and an upper fixed frame, the two ends of the lower bracket are clamped on the car frame, the lower bracket is provided with a position-adjustable car connecting seat, and the car connecting seat is connected to the bottom of the car with bolts; the upper fixed frame includes a car seat clamped at the corner of the top of the car, a car frame side seat clamped on the side column of the car frame, and a car frame upper seat clamped on the top of the car frame, and the car seat is connected to the car frame side seat and the car frame upper seat respectively through screwed support screws and support nuts.

2. The car fixing device according to claim 1, characterized in that: The lower bracket includes a supporting beam with a U-shaped cross-section, two lower brackets of the car frame with U-shaped cross-sections, two L-shaped car connecting brackets, and two first connecting plates. The two lower brackets of the car frame are respectively welded to the two ends of the supporting beam, and two first strip holes are respectively arranged on the top of the two ends of the supporting beam. The car connecting bracket and the first connecting plate are connected with first half-thread bolts passing through the first strip holes; two sets of long bolts and hexagonal nuts that are threaded together are installed on the lower bracket of the car frame.

3. The car fixing device according to claim 2, characterized in that: The lower bracket also includes two L-shaped car limit seats and two second connecting plates. A second strip hole is arranged on the side walls at both ends of the support beam. The car limit seat and the second connecting plate are connected with a second half-thread bolt passing through the second strip hole. The top end of the car limit seat is higher than the top end of the support beam.

4. The car fixing device according to claim 2, characterized in that: The car connecting seat is screwed with a first screw for connecting with the car, and the lower clamping seat of the car frame is screwed with a second screw for connecting with the car frame.

5. The car fixing device according to claim 1, characterized in that: The car card seat includes a rectangular first card plate, a rectangular second card plate, two mutually parallel first support plates, and two mutually parallel second support plates, the top of the first card plate is fixedly connected to one side of the second card plate, and the first card plate and the second card plate are perpendicular to each other; the two first support plates are fixedly connected to the side of the first card plate away from the second card plate, and a first support nut is rotatably installed between the two first support plates, two first support screws perpendicular to the bottom end of the card seat on the car frame are fixedly connected to the bottom end of the card seat on the car frame, and the first support screw is screwed with the first support nut; the two second support plates are fixedly connected to the top end of the second card plate, and a second support nut is rotatably installed between the two second support plates, and a second support screw is fixedly connected to one end of the car frame side card seat facing the second support plate, and the second support screw is screwed with the second support nut.

6. The car fixing device according to claim 5, characterized in that: Reinforcement ribs are fixedly connected between the first support plate and the first clamping plate, and between the second support plate and the second clamping plate.

7. The car fixing device according to claim 1, characterized in that: The car frame side card seat and the car frame upper card seat are both U-shaped, and the cross section of the car frame side card seat and the cross section of the car frame upper card seat are both U-shaped.

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