CN214456456U - Inside callipers formula tensioning equipment - Google Patents

Abstract

The utility model provides an inside callipers formula stretch-draw equipment, include: the base, the guide arm, the top device of opening, the mounting disc, clamping device, drive seat and elasticity return means, install guide arm and top device of opening on the base, install the mounting disc on the guide arm, the mounting disc is close to base one side and installs clamping device, clamping device is used for pressing from both sides tight steel strand wires, install between clamping device and base and drive the seat, it is used for making clamping device press from both sides tight steel strand wires to drive the seat, the top device is located and drives between seat and the base, install elasticity return means on the mounting disc, elasticity return means includes: elastic component and promotion portion, promotion portion are connected with the mounting disc through the elastic component, and the elastic component is located the mounting disc and deviates from drive seat one side. This interior cassette tensioning equipment solves among the prior art because the fly leaf is located adjustable spring bolt spring and deviates from jack one side and lead to the longer problem of steel strand wires tails.

Description

Inside callipers formula tensioning equipment

Technical Field

The utility model relates to a stretch-draw equipment, concretely relates to inside callipers formula stretch-draw equipment.

Background

Chinese patent discloses a continuous tensioning device for a hydraulic jack with application number cn201620105937.x, which comprises: fly leaf, adjustable spring bolt and fixed plate, fly leaf pass through adjustable spring bolt and are connected with the fixed plate, the limiting plate setting is hugged closely to the fly leaf, and the front end of limiting plate is fixed with instrument anchor and clamping piece, and the tail end at the jack is installed with the clamping piece to the instrument anchor, though can realize the purpose of tensile steel strand wires, but the problem that this tensioning equipment still exists does:

because the movable plate is positioned on one side, away from the jack, of the spring in the adjustable spring bolt, the length of the steel strand penetrating through the movable plate is long, the steel strand penetrates through the movable plate and continues to the end face, close to the jack, of the steel strand to be a tailing of the steel strand, the remained steel strand is long, a lot of tailings of the steel strand are caused, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an inside callipers formula tensioning equipment solves among the prior art because the fly leaf is arranged in adjustable spring bolt spring and deviates from jack one side and lead to the longer problem of steel strand wires tails.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an inside callipers formula stretch-draw equipment, include: the base, the guide arm, the top device of opening, the mounting disc, clamping device, drive seat and elasticity return means, install guide arm and top device of opening on the base, install the mounting disc on the guide arm, the mounting disc is close to base one side and installs clamping device, clamping device is used for pressing from both sides tight steel strand wires, install between clamping device and base and drive the seat, it is used for making clamping device press from both sides tight steel strand wires to drive the seat, the top device is located and drives between seat and the base, install elasticity return means on the mounting disc, elasticity return means includes: elastic component and promotion portion, promotion portion are connected with the mounting disc through the elastic component, and the elastic component is located the mounting disc and deviates from drive seat one side, and the elastic component is used for making to drive the seat and be close to the top device of opening through the promotion portion that passes the mounting disc.

Preferably, the elastic member is a spring.

Preferably, the pushing portion is a push rod, the push rod penetrates through the mounting disc, one end of the push rod, which deviates from the driving seat, is in threaded connection with a nut, the other end of the push rod is used for pushing the driving seat, one end of the spring is fixed with the nut, and the other end of the spring is fixed to the mounting disc.

Preferably, there are at least two clamping devices, each clamping device comprising: the clamping device comprises at least three clamping pieces and an elastic ring, wherein all the clamping pieces in each clamping device surround to form a cone frustum-shaped structure, all the clamping pieces are surrounded by the elastic ring, the elastic ring is used for keeping all the clamping pieces close to each other, and the steel stranded wires are clamped between all the clamping pieces.

Preferably, the surface of the driving seat close to the clamping devices is recessed to form an extrusion hole, each clamping device is provided with an extrusion hole, and the inner wall of each extrusion hole is used for extruding the clamping piece to clamp the steel strand.

Preferably, a sleeve is mounted on the base and is used for the steel strand to pass through.

Preferably, the sleeve is of a T-shaped structure, all the sleeves penetrate through a pressing plate, the pressing plate is connected with the base through screws, and the large end of each sleeve is pressed on the base through the pressing plate.

Preferably, the sleeve extends into the carrier.

Preferably, the pushing part can be kept to press the driving seat on the pressing plate under the elastic force of the elastic part.

Preferably, a pressure head is arranged on the mounting disc and used for limiting the clamping device to be separated from the driving seat and the mounting disc.

Compared with the prior art, the utility model discloses following beneficial effect has:

the elastic return device is rearranged in the device, so that the elastic part is driven to deviate from one side of the jack, the steel strand tailing can be calculated from the installation disc, the section of the tailing corresponding to the installation position of the elastic part is reduced, the cost of the steel strand is saved, the market competitiveness is improved, and the environment friendliness is facilitated.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a cross-sectional view of an internally clamped tensioning device when the jacking device is not jacking the driving seat;

fig. 2 is a sectional view of the internal clamping type tensioning device when the driving seat is jacked open by the jacking device.

Reference numerals: the device comprises a base 1, a guide rod 2, a mounting disc 4, a pressure head 40, an inclined surface 400, a clamping device 5, a driving seat 6, an elastic return device 7, an elastic piece 71, a pushing part 72, a nut 73, a sleeve 8, a pressure plate 9 and a screw 10.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

as shown in fig. 1 and fig. 2, the utility model provides an inside callipers formula stretch-draw equipment, include: base 1, the guide arm 2, the device is opened in the top (not shown), the mounting disc 4, clamping device 5, drive seat 6 and elastic return device 7, install guide arm 2 and the device is opened in the top on base 1, install mounting disc 4 on the guide arm 2, clamping device 5 is installed near base 1 one side to mounting disc 4, clamping device 5 is used for pressing from both sides tight steel strand wires, install between clamping device 5 and base 1 and drive seat 6, it is used for making clamping device 5 press from both sides tight steel strand wires to drive seat 6, the device is located and drives between seat 6 and the base 1 to open in the top, install elastic return device 7 on mounting disc 4, elastic return device 7 includes: the elastic piece 71 and the pushing part 72, the pushing part 72 is connected with the mounting plate 4 through the elastic piece 71, the elastic piece 71 is located on one side of the mounting plate 4, which faces away from the driving seat 6, and the elastic piece 71 is used for enabling the driving seat 6 to be close to the jacking device through the pushing part 72 penetrating through the mounting plate 4. The ejection device may be a jack or other linear driving device, and is installed at the protruding edge of the base 1.

In order to design the elastic member 71 with a simple structure and facilitate subsequent installation, the elastic member 71 is a spring.

In order to conveniently mount the elastic member 71, the pushing portion 72 is a push rod, the push rod penetrates through the mounting plate 4, one end of the push rod, which is away from the driving seat 6, is connected with a nut 73 in a threaded manner, the other end of the push rod is used for pushing the driving seat 6, one end of the spring is fixed with the nut 73, and the other end of the spring is fixed to the mounting plate 4. The spring is always in an elongated state, and the driving seat 6 tends to move towards the base 1 under the elastic force of the spring.

In order to design the clamping devices 5 with a simple structure, the clamping devices 5 are at least two, and each clamping device 5 comprises: at least three clamping pieces and an elastic ring (not shown), wherein all the clamping pieces surround to form a cone frustum structure in each clamping device 5, all the clamping pieces are surrounded by the elastic ring, the elastic ring is used for keeping all the clamping pieces close to each other, and all the clamping pieces are used for clamping the steel strand.

Make to drive seat 6 and to make clamping device 5 press from both sides tight steel strand wires for the design, drive the sunken extrusion hole that forms of seat 6 face near clamping device 5, correspond each clamping device 5 and all have an extrusion hole, the extrusion hole also is circular truncated cone type structure, and the extrusion hole inner wall is used for the extrusion clamping piece to press from both sides tight steel strand wires.

In order to ensure that the steel strand can pass through the base 1 in a straight line, a sleeve 8 is installed on the base 1, and the sleeve 8 is used for the steel strand to pass through.

In order to realize the installation of the sleeve 8, the pressing plate 9 is used for installing all the sleeves 8 on the base 1, the sleeve 8 is of a T-shaped structure, all the sleeves 8 penetrate through the pressing plate 9, the pressing plate 9 is connected with the base 1 through the screws 10, and the large end of each sleeve 8 is pressed on the base 1 through the pressing plate 9.

In order to enable the sleeve 8 to also guide the driving plate 6 in movement, the sleeve 8 extends into the driving plate 6.

In order to support the driving seat 6 when the pushing portion 72 pushes the driving seat 6 and save other parts, the pushing portion 72 can be kept to press the driving seat 6 on the pressing plate 9 under the elastic force of the elastic member 71.

In order to limit the detachment of the clamping device 5, a pressing head 40 is mounted on the mounting plate 4, the pressing head 40 being used to limit the detachment of the clamping device 5 from between the entraining seat 6 and the mounting plate 4. Pressure head 40 and mounting disc 4 threaded connection, pressure head 40 supplies the steel strand wires to pass, pressure head 40 is provided with inclined plane 400, the edge that inclined plane 400 is close to the pressure head 40 central line is L1 to clamping device 5's distance, the edge that inclined plane 400 deviates from the pressure head 40 central line is L2 to clamping device 5's distance, L1 is less than L2, thereby realized that the clamping piece tip can be rotatory around the clamping piece main aspects when the steel strand wires inserts the clamping piece in, the elastic ring is located the groove of clamping piece main aspects setting, thereby the rotation for the clamping piece provides the condition.

During operation, the jacking device extends to drive the seat 6 to move towards the mounting disc 4, the elastic piece 71 extends, and the clamping pieces are extruded on the inner wall of each extrusion hole to enable all the clamping pieces in each extrusion hole to be close to each other to clamp the steel strand, so that the steel strand is tensioned.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. An inside calliper tensioning device, comprising: the base, the guide arm, the top device of opening, the mounting disc, clamping device, drive seat and elasticity return means, install guide arm and top device of opening on the base, install the mounting disc on the guide arm, the mounting disc is close to base one side and installs clamping device, clamping device is used for pressing from both sides tight steel strand wires, install between clamping device and base and drive the seat, it is used for making clamping device press from both sides tight steel strand wires to drive the seat, the top device is located and drives between seat and the base, install elasticity return means on the mounting disc, elasticity return means includes: elastic component and promotion portion, promotion portion are connected with the mounting disc through the elastic component, and the elastic component is located the mounting disc and deviates from drive seat one side, and the elastic component is used for making to drive the seat and be close to the top device of opening through the promotion portion that passes the mounting disc.

2. The inside clamp type tension device according to claim 1, wherein the elastic member is a spring.

3. The inside clamping type tensioning device according to claim 2, wherein the pushing portion is a push rod, the push rod penetrates through the mounting plate, a nut is connected to one end of the push rod, which is away from the driving seat, in a threaded manner, the other end of the push rod is used for pushing the driving seat, one end of the spring is fixed to the nut, and the other end of the spring is fixed to the mounting plate.

4. The inside clamping type tensioning device according to claim 1, wherein there are at least two clamping devices, each clamping device comprising: the clamping device comprises at least three clamping pieces and an elastic ring, wherein all the clamping pieces in each clamping device surround to form a cone frustum-shaped structure, all the clamping pieces are surrounded by the elastic ring, the elastic ring is used for keeping all the clamping pieces close to each other, and the steel stranded wires are clamped between all the clamping pieces.

5. The inside clamping type tensioning device according to claim 4, wherein the surface of the driving seat close to the clamping devices is recessed to form a squeezing hole, each clamping device is provided with a squeezing hole, and the inner wall of the squeezing hole is used for squeezing the clamping piece to clamp the steel strand.

6. An internally clamped tensioning device according to claim 4 in which sleeves are mounted on the base for the steel strands to pass through.

7. The internally clamped tensioning device according to claim 6, wherein the sleeves are T-shaped in shape, all the sleeves pass through a pressing plate, the pressing plate is connected with the base through screws, and the large ends of the sleeves are pressed on the base through the pressing plate.

8. The inside clamping type tensioning device according to claim 7, wherein the sleeve extends into the entrainment seat.

9. The inside-clamping type tensioning device according to claim 8, wherein the pushing part can be kept to press the driving seat against the pressure plate under the elastic force of the elastic member.

10. The inside clamping type tensioning device according to claim 9, wherein a pressure head is mounted on the mounting plate for limiting the disengagement of the clamping device from between the carrier block and the mounting plate.

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