CN213770260U

CN213770260U - Sliding seat with braking function

Info

Publication number: CN213770260U
Application number: CN202022964258.7U
Authority: CN
Inventors: 郑朝保; 赖和全; 姚润; 马兵; 杨有何; 夏茂川
Original assignee: China Railway Yanfeng Chendu Science and Technology Co Ltd
Current assignee: China Railway Yanfeng Chendu Science and Technology Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-23
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a seat that slides with braking function, including the gyration seat, the bottom of gyration seat is provided with the cursor slide, installs the brake assembly in the cursor slide, and the rolling assembly of edge slide rail is all still installed at both ends around the cursor slide, and the front end of cursor slide is provided with the preceding seat of colluding that catches on the slide rail. The utility model has the advantages that: the brake assembly is arranged, when the brake is needed, the oil cylinder works, the brake pad is in contact with the sliding rail, the brake of the sliding seat is realized, the traction mechanism of the sliding seat is protected, the parking precision of the sliding seat is improved, and meanwhile, the shaking of the upper working device during operation is effectively reduced.

Description

Sliding seat with braking function

Technical Field

The utility model relates to a double armed bow member installation platform truck, especially a seat that slides with braking function.

Background

The transmission mode of the sliding system of the existing double-arm arch centering installation trolley mainly comprises motor-driven chain wheel chain transmission and motor-driven gear rack transmission, the forward and backward sliding of an upper working device on a sliding track is realized through the forward and backward rotation of a motor, the sliding seat has no braking function in the moving process, so that the sliding seat has large abrasion to a chain wheel, a chain wheel or a gear rack in the braking process, and the motor is easily damaged in the braking process, so that the working stability of the whole sliding system is influenced, and the parking precision of the sliding seat is not high because the existing double-arm arch centering installation trolley has no braking system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a seat that slides with braking function.

The purpose of the utility model is realized through the following technical scheme: the sliding seat with the braking function comprises a rotary seat, wherein a sliding arm is arranged at the bottom of the rotary seat, a brake assembly is installed in the sliding arm, rolling assemblies rolling along a sliding rail are installed at the front end and the rear end of the sliding arm, and a front hook seat hooking the sliding rail is arranged at the front end of the sliding arm.

Preferably, the brake assembly includes hydro-cylinder, fixed plate and brake block, and fixed plate fixed mounting is on the cursor slide, and hydro-cylinder fixed mounting is on the fixed plate, installs the brake block on the piston rod of hydro-cylinder, and the brake block is located the top of slide rail.

Preferably, the rolling assembly comprises a fixed shaft a, a roller, a limiting sleeve and a positioning piece a, two ends of the fixed shaft a penetrate through two side walls of the sliding arm, the roller is rotatably mounted on the fixed shaft a and is located in a groove of the sliding arm, the roller is in contact with the upper surface of the sliding rail, the limiting sleeve for preventing the roller from axially moving is sleeved on the fixed shaft a at two ends of the roller, the groove is formed in at least one end of the fixed shaft a, the positioning piece a is mounted on the side wall of the corresponding sliding arm, and the positioning piece a is clamped in the groove.

Preferably, the front hook seat comprises a mounting plate, a fixing shaft b and a roller, the fixing shaft a located at the front end of the sliding arm extends outwards in the axial direction, the mounting plate is mounted on the fixing shaft a extending outwards in the axial direction, the fixing shaft b arranged in parallel at intervals is mounted at the bottom of the mounting plate, the roller is mounted on the fixing shaft b, and the roller is in contact with the lower surface of the sliding rail.

Preferably, a shaft sleeve a is further sleeved between the mounting plate and the fixed shaft a, and a shaft sleeve b is sleeved between the roller and the fixed shaft b.

Preferably, a groove is formed in the end portion, close to the fixing shaft b, of one end of the mounting plate, a positioning piece b is mounted on the mounting plate, and the positioning piece b is located in the groove of the fixing shaft b.

Preferably, the rear end of the slide arm is provided with a rear hook seat for hooking the slide rail.

Preferably, the back colludes the seat and is the L shaped plate, colludes behind and installs the nylon piece on the inside wall of seat bottom, the lower surface contact of nylon piece and slide rail.

Preferably, the front side wall and the rear side wall of the rotary seat are both provided with a buffer block.

The utility model has the advantages of it is following: the utility model discloses a seat that slides is provided with the brake assembly, and when needs the brake, hydro-cylinder work, the brake block then with the slide rail contact, realized the braking of seat that slides to protect the drive mechanism of seat that slides, improved the parking precision of seat that slides, rocking when effectively having reduced the operation of upper portion equipment simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the front hook seat;

FIG. 3 is an installation schematic of the brake assembly;

FIG. 4 is a schematic view of the installation of the rolling assembly;

in the figure, 1-rotary seat, 2-brake assembly, 3-mounting frame, 4-buffer block, 5-rolling assembly, 6-front hook seat, 7-rear hook seat, 8-slide arm, 9-nylon block, 21-oil cylinder, 22-fixing plate, 23-brake block, 24-connecting disc, 51-fixing shaft a, 52-roller, 53-limiting sleeve, 54-positioning plate a, 61-mounting plate, 62-shaft sleeve a, 63-fixing shaft b, 64-shaft sleeve b, 65-roller and 66-positioning plate b.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, a sliding seat with a braking function includes a rotary seat 1, a sliding arm 8 is disposed at the bottom of the rotary seat 1, the rotary seat 1 has a front side wall and a rear side wall, a mounting frame 3 for mounting an arm support is disposed on the rotary seat 1, the sliding arm 8 includes two side walls disposed along the sliding direction of the rotary seat 1, a mounting groove is formed between the two side plates, a brake assembly 2 is mounted in the sliding arm 8, rolling assemblies 5 rolling along a sliding rail are mounted at the front and rear ends of the sliding arm 8, a front hook seat 6 hooking the sliding rail is disposed at the front end of the sliding arm 8, the rolling assemblies 5 can move along the sliding rail, abrasion between the sliding seat and the sliding rail can be reduced, so that the service lives of the sliding seat and the sliding rail are ensured, and the front hook seat 6 hooks the bottom of the sliding rail, so that the torsion of the arm support to the sliding seat is overcome, and the stability of the sliding seat is ensured.

In this embodiment, as shown in fig. 3, the brake assembly 2 includes an oil cylinder 21, a fixing plate 22 and a brake pad 23, the fixing plate 22 is fixedly installed on the slide arm 8, specifically, the fixing plate 22 is installed in a groove of the slide arm 8 by welding, two sides of the fixing plate 22 are welded on two corresponding side plates, the oil cylinder 21 is fixedly installed on the fixing plate 22, further, the oil cylinder 21 is provided with a connecting plate 24, the connecting plate 24 is connected with the fixing plate 22 by a bolt assembly, and the fixing plate 22 is provided with a through hole through which the oil cylinder 21 passes, so as to facilitate oil supply of the oil cylinder 21, the seat of the oil cylinder 21 passes through the upper surface of the rotary seat 1, the piston rod of the oil cylinder 21 is provided with the brake pad 23, further, the end surface of the piston rod is provided with a plurality of countersunk screw holes, the brake pad 23 is installed on the piston rod by countersunk screws, so that the screws do not interfere with the slide rail, the service life of the sliding rail is guaranteed, the brake pad 23 is located above the sliding rail, when braking is needed, the oil cylinder 21 works, the piston rod extends out, and therefore the brake pad 23 is in close contact with the upper surface of the sliding rail, and the sliding seat brakes.

In this embodiment, as shown in fig. 3, the rolling assembly 5 includes a fixed shaft a51, a roller 52, a position-limiting sleeve 53 and a positioning plate a54, two ends of the fixed shaft a51 pass through two side walls of the slide arm 8, that is, two ends of the fixed shaft a pass through corresponding side plates, the roller 52 is rotatably mounted on the fixed shaft a51, the roller 52 is located in a groove of the slide arm 8, the roller 52 contacts with an upper surface of a slide rail, when the slide seat moves, the roller 52 rotates on the slide rail, the position-limiting sleeve 53 for preventing the axial movement of the roller 52 is sleeved on the fixed shaft a51 located at two ends of the roller 52, that is, the position-limiting sleeve 53 is mounted on the fixed shaft a51, one end of the position-limiting sleeve 53 abuts against an inner side wall of the corresponding side plate, and the other end of the position-limiting sleeve 53 abuts against an inner ring of a bearing of the roller 52, so that the roller 52 cannot move axially, at least one end of the fixed shaft a51 is provided with a groove, preferably, an end of the fixed shaft outside the fixed shaft is provided with a groove, the positioning piece a54 is installed on the side wall of the corresponding slide arm 8, and the positioning piece a54 is clamped in the groove, namely the positioning piece a54 is installed on the side wall of the slide arm 8, and the positioning piece a54 is clamped in the groove, so that the fixing shaft a51 cannot rotate.

In this embodiment, as shown in fig. 2 and 4, the front hook seat 6 includes a mounting plate 61, a fixed shaft b63 and a roller 65, the fixed shaft a51 at the front end of the sliding arm 8 extends axially outward, in order to ensure the stable shape of the fixed shaft b63, a front side plate is further mounted at the bottom of the front side of the revolving seat 1, the fixed shaft a51 extends axially outward and is mounted on the front side plate, and at this time, the positioning plate a54 is mounted on the front side plate, the mounting plate 61 is mounted on the fixed shaft a51 extending axially outward, and the mounting plate 61 is located between the front side plate and the side plate of the sliding arm 8, a plurality of parallel fixed shafts b63 are mounted at intervals at the bottom of the mounting plate 61, the roller 65 is mounted on the fixed shaft b63, the roller 65 contacts with the lower surface of the sliding rail, when the sliding seat moves, the roller 65 rolls along the lower surface of the sliding rail, and the plurality of

rollers

65 and 52 in combination clamp the sliding rail, thereby overcoming the torsion to the arm support to the sliding seat, thereby guaranteeing the working stability of the sliding seat.

In this embodiment, a shaft sleeve a62 is further sleeved between the mounting plate 61 and the fixed shaft a51, a shaft sleeve b64 is sleeved between the roller 65 and the fixed shaft b63, the shaft sleeve a62 can protect the fixed shaft a51 from being worn, the service life of the fixed shaft a51 is guaranteed, and the shaft sleeve b64 can guarantee the fixed shaft b63 from being worn, and the service life of the fixed shaft b63 is guaranteed.

In the embodiment, a groove is formed at the end of the fixed shaft b63 close to one end of the mounting plate 61, the mounting plate 61 is provided with the positioning piece b66, and the positioning piece b66 is located in the groove of the fixed shaft b63, so that the fixed shaft b63 cannot rotate.

In this embodiment, the rear end of cursor slide 8 is provided with the back that catches on the slide rail and colludes seat 7, and is further, and preceding seat 6 that colludes is the L shaped plate, installs nylon piece 9 on the inside wall of the back seat 7 bottom of colluding, and nylon piece 9 contacts with the lower surface of slide rail, and colludes seat 7 and preceding seat 6 after setting up, then can further improvement the stability of seat work that slides.

In this embodiment, all install buffer block 4 on the preceding lateral wall of roating seat 1 and the back lateral wall, buffer block 4 is made for the nylon material, and when the seat of sliding and object contact in-process, buffer block 4 can play the cushioning effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a seat that slides with braking function, includes the revolving bed, the bottom of revolving bed is provided with the cursor slide, its characterized in that: the brake assembly is installed in the cursor slide, the rolling assembly that rolls along the slide rail is all still installed at both ends around the cursor slide, the front end of cursor slide is provided with the preceding seat of colluding that catches on the slide rail.

2. The sliding seat with the braking function according to claim 1, wherein: the brake assembly includes hydro-cylinder, fixed plate and brake block, the fixed plate fixed mounting be in on the cursor slide, just hydro-cylinder fixed mounting be in on the fixed plate, install the brake block on the piston rod of hydro-cylinder, just the brake block is located the top of slide rail.

3. The sliding seat with the braking function according to claim 2, wherein: the rolling assembly comprises a fixed shaft a, a roller wheel, a limiting sleeve and a positioning piece a, two ends of the fixed shaft a penetrate through two side walls of the sliding arm, the roller wheel is rotatably installed on the fixed shaft a and located in a groove of the sliding arm, the roller wheel is in contact with the upper surface of the sliding rail and located at two ends of the roller wheel, the limiting sleeve for preventing the roller wheel from moving axially is sleeved on the fixed shaft a, at least one end of the fixed shaft a is provided with a groove, the positioning piece a is installed on the side wall of the corresponding sliding arm, and the positioning piece a is clamped in the groove.

4. A sliding seat with a braking function according to claim 3, characterized in that: collude the seat including mounting panel, fixed axle b and gyro wheel before, be located the outside extension of fixed axle an axial of slide arm front end, the mounting panel is installed at the outside extension of axial on the fixed axle a, fixed axle b that a plurality of parallel intervals set up is installed to the bottom of mounting panel, install the gyro wheel on the fixed axle b, contact under gyro wheel and the slide rail.

5. The sliding seat with the braking function according to claim 4, wherein: a shaft sleeve a is further sleeved between the mounting plate and the fixed shaft a, and a shaft sleeve b is sleeved between the roller and the fixed shaft b.

6. The sliding seat with the braking function according to claim 5, wherein: the end part, close to one end of the mounting plate, of the fixed shaft b is provided with a groove, the mounting plate is provided with a positioning sheet b, and the positioning sheet b is located in the groove of the fixed shaft b.

7. The sliding seat with a braking function according to any one of claims 1 to 6, wherein: the rear end of the sliding arm is provided with a rear hook seat for hooking the sliding rail.

8. The sliding seat with the braking function according to claim 7, wherein: the rear hook seat is an L-shaped plate, a nylon block is installed on the inner side wall of the bottom of the front hook seat, and the nylon block is in contact with the lower surface of the sliding rail.

9. The sliding seat with the braking function according to claim 1, wherein: and the front side wall and the rear side wall of the rotary seat are both provided with buffer blocks.