CN211619774U

CN211619774U - Novel electric rail clamping device

Info

Publication number: CN211619774U
Application number: CN202020096924.7U
Authority: CN
Inventors: 魏青锋; 樊建刚
Original assignee: Xinxiang Hongchang Lifting Equipment Accessories Co ltd
Current assignee: Xinxiang Hongchang Lifting Equipment Accessories Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-02
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to a hoist braking tool technical field discloses a novel electronic clamp rail ware, it includes box and motor, the motor is installed on the outer wall of box, the pivot of motor is connected with the speed reducer, the power input end of two-way lead screw is connected with the power take off end of speed reducer, two-way lead screw rotates and installs on the box, and run through the box, the pivot of two-way lead screw perpendicular to motor, two clamp splice are installed on two-way lead screw, the guide rail of box below is located between two clamp splice, install the guiding axle in the box, the guiding axle is on a parallel with two-way lead screw, and run through two clamp splice simultaneously, make the clamp splice be close to or keep away from the guide rail through. The utility model has the advantages that: the motor rotating shaft is perpendicular to the bidirectional screw rod, so that the overall height size of the rail clamping device is reduced, and the rail clamping device can be installed in a smaller space.

Description

Novel electric rail clamping device

Technical Field

The utility model relates to a hoist braking tool technical field, especially a novel electronic rail clamping device.

Background

The working principle of the conventional electric rail clamping device is that a motor is directly connected with a cycloidal pin gear speed reducer, a screw rod is driven to rotate through a sleeve coupling, a nut moves up and down along the screw rod and drives a link mechanism to enable a jaw to clamp or release a rail, and the opening and clamping of a clamp are controlled by controlling the positive and negative rotation of the motor; whether the rail clamping device is clamped or opened is judged by the collision of the collision rod fixed on the nut on the mechanical travel switch so as to control the stop of the motor, the whole height of the rail clamping device is large and the opening or clamping speed is low, and the clamping state is judged by mechanical limit and is influenced by the action repetition precision of the mechanical limit switch, the manufacturing error of a product, the installation error, the gap of a moving part and the elastic deformation, the travel switch is required to be adjusted after field installation, and the position of the travel switch has large influence on the clamping force.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel electronic rail clamping device to solve the current problem that rail clamping device overall height is big.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a novel electronic clamp rail ware, includes box and motor, the motor is installed on the outer wall of box, the pivot of motor is connected with the speed reducer, the power input end of two-way lead screw with the power take off end of speed reducer is connected, two-way lead screw rotate to be installed on the box, and run through the box, two-way lead screw perpendicular to the pivot of motor, two clamp splices are installed on the two-way lead screw, the guide rail of box below is located two between the clamp splice, install the guiding axle in the box, the guiding axle is on a parallel with two-way lead screw, and runs through two simultaneously the clamp splice, through rotating two-way lead screw makes the clamp splice is close to or keeps away from the guide rail.

Preferably, the power input end of the bidirectional screw rod is connected with the power output end of the speed reducer through a safety coupling.

Preferably, each clamping block is detachably provided with a wear-resistant block, the wear-resistant block is positioned between the two clamping blocks, and the box body is clamped on the guide rail through the wear-resistant blocks which are close to each other.

Preferably, self-lubricating bearings are installed at two ends of the bidirectional screw rod and are installed on the side wall of the box body.

Preferably, the clamping block is provided with a through hole, the wear-resistant block is provided with a threaded blind hole, and a bolt penetrates through the through hole to be in threaded connection with the threaded blind hole.

Preferably, the through hole is a countersunk through hole, the large end of the countersunk through hole is far away from the wear-resistant block, the bolt is a hexagon socket head cap screw, and the head of the bolt is positioned in the large end of the countersunk through hole.

Compared with the prior art, the beneficial effects of the utility model are that: the motor rotating shaft is perpendicular to the bidirectional screw rod, so that the overall height size of the rail clamping device is reduced, and the rail clamping device can be installed in a smaller space.

Drawings

FIG. 1 is a schematic structural diagram of a conventional rail clamping device;

fig. 2 is a first schematic structural diagram of the present invention;

FIG. 3 is a second schematic structural view of the present invention;

in the figure, 1-box, 2-motor, 3-speed reducer, 4-bidirectional screw rod, 5-guide rail, 6-clamping block, 7-guide shaft, 8-wear-resistant block, 9-safety coupling, 10-self-lubricating bearing, 11-bolt, 12-sleeve coupling, 13-travel limit switch, 14-unidirectional screw rod and 15-nut.

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.

As shown in figures 2 and 3, a novel electric rail clamping device comprises a box body 1 and a motor 2, wherein the motor 2 is arranged on the outer wall of the box body 1, the rotating shaft of the motor 2 is connected with a speed reducer 3, the power input end of a bidirectional screw rod 4 is connected with the power output end of the speed reducer 3, the bidirectional screw rod 4 is rotatably arranged on the box body 1 and penetrates through the box body 1, the bidirectional screw rod 4 is perpendicular to the rotating shaft of the motor 2, the speed reducer 3 is a worm gear speed reducer 3, power transmission of two staggered shafts is realized, the height size of the novel rail clamping device is reduced, two clamping blocks 6 are arranged on the bidirectional screw rod 4, a guide rail 5 below the box body 1 is positioned between the two clamping blocks 6, a guide shaft 7 is arranged in the box body 1, the guide shaft 7 is parallel to the bidirectional screw rod 4 and simultaneously penetrates through the two clamping blocks 6, the clamping blocks 6 are prevented from rotating together with the bidirectional screw rod 4 to cause the clamping, when the bidirectional screw rod 4 rotates, the two clamping blocks 6 are close to or far away from each other, so that the time for clamping the guide rail 5 is shortened by half compared with the traditional rail clamping device shown in fig. 1 by adopting the matching of the unidirectional screw rod 14 and the nut 15.

In the present embodiment, as shown in fig. 2 and 3, the power input end of the bidirectional screw rod 4 is connected with the power output end of the speed reducer 3 through the safety coupling 9.

It is worth mentioning that: traditional clamping rail ware is as shown in fig. 1, motor 2 installs in the top of box 1, one-way lead screw 14 is vertical to be installed in box 1 and is connected with motor 2's pivot through speed reducer 3 and sleeve coupling 12, clamp splice 6 is articulated with nut 15 on the one-way lead screw 14, make clamp splice 6 press from both sides tight guide rail 5 or loosen guide rail 5 through the rotation of one-way lead screw 14, lead to motor 2 and speed reducer 3 to damage for preventing motor 2 stall, set up travel limit switch 13, strike travel limit switch 13 through nut 15 and make motor 2 stall, thereby protect motor 2 and speed reducer 3, and because travel limit switch 13's installation error and manufacturing error, make the unable accurate control of clamping force of traditional clamping rail ware, and the utility model discloses a set for the clamp force that safety coupling 9's moment of torsion can accurate control clamping rail ware.

In this embodiment, as shown in fig. 2 and 3, each clamping block 6 is detachably provided with a wear-resistant block 8, the wear-resistant block 8 is located between the two clamping blocks 6, the box body 1 is clamped on the guide rail 5 through the wear-resistant blocks 8 which are close to each other, the detachable wear-resistant blocks 8 avoid the integral replacement of the damaged clamping parts, and the production cost is saved.

In this embodiment, as shown in fig. 2 and 3, self-lubricating bearing 10 is all installed at the both ends of two-way lead screw 4, and self-lubricating bearing 10 installs on the lateral wall of box 1, because self-lubricating bearing 10 does not have oil lubrication or less oil lubrication, can not maintain or maintain less when using, and its wear resistance is good, and coefficient of friction is little, has prolonged the utility model discloses a life, its appropriate amount elastoplasticity can be with stress distribution on the contact surface of broad, improves the bearing capacity of bearing, and the static and dynamic coefficient of friction is close to guarantee mechanical work precision, can form the transfer membrane in the operation process, play the effect of protection to the grinding spindle, the hardness requirement of grinding spindle is low moreover, thereby has reduced the processing degree of difficulty of relevant part.

In this embodiment, as shown in fig. 2 and 3, the clamping block 6 is provided with a through hole, the wear-resistant block 8 is provided with a threaded blind hole, the bolt 11 penetrates through the through hole to be in threaded connection with the threaded blind hole, the assembly and disassembly are convenient, the installation is firm, the same wear-resistant block 8 is connected by a plurality of bolts 11, and the wear-resistant block 8 is prevented from rotating.

In this embodiment, as shown in fig. 2 and 3, the through hole is a countersunk through hole, the large end of the countersunk through hole is far away from the wear-resistant block 8, the bolt 11 is a hexagon socket head cap bolt 11, and the head of the bolt 11 is located in the large end of the countersunk through hole, and the bolt 11 is installed in the countersunk through hole, so that the bolt 11 is prevented from extending out of the clamping block 6, which causes interference in the advancing process of the rail clamping device.

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 novel electronic rail clamping device, includes box and motor, the motor is installed on the outer wall of box, its characterized in that: the pivot of motor is connected with the speed reducer, the power input end of two-way lead screw with the power take off end of speed reducer is connected, two-way lead screw rotates to be installed on the box, and runs through the box, two-way lead screw perpendicular to the pivot of motor, two clamp blocks are installed on the two-way lead screw, the guide rail of box below is located two between the clamp block, install the guiding axle in the box, the guiding axle is on a parallel with two-way lead screw, and run through two simultaneously the clamp block, make through rotating two-way lead screw the clamp block is close to or keeps away from the guide rail.

2. The novel electric rail clamping device as claimed in claim 1, wherein: and the power input end of the bidirectional screw rod is connected with the power output end of the speed reducer through a safety coupling.

3. The novel electric rail clamping device as claimed in claim 1 or 2, wherein: each clamping block is detachably provided with a wear-resistant block, the wear-resistant blocks are positioned between the two clamping blocks, and the box body is clamped on the guide rail through the wear-resistant blocks which are close to each other.

4. The novel electric rail clamping device as claimed in claim 3, wherein: self-lubricating bearings are installed at two ends of the bidirectional screw rod and are installed on the side wall of the box body.

5. The novel electric rail clamping device as claimed in claim 4, wherein: the wear-resistant block is provided with a threaded blind hole, and a bolt penetrates through the through hole to be in threaded connection with the threaded blind hole.

6. The novel electric rail clamping device as claimed in claim 5, wherein: the through hole is a countersunk head through hole, the large end of the countersunk head through hole is far away from the wear-resistant block, the bolt is a hexagon socket head cap screw, and the head of the bolt is positioned in the large end of the countersunk head through hole.