CN214401778U

CN214401778U - Pile cutter with safety protection device

Info

Publication number: CN214401778U
Application number: CN202120357342.4U
Authority: CN
Inventors: 郭进; 叶冬; 汪鑫
Original assignee: Wuhan Jingang Geotechnical Engineering Co ltd
Current assignee: Wuhan Jingang Geotechnical Engineering Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-15
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to a pile cutter with safety device relates to pile foundation construction equipment technical field, it includes pile cutting module assembly, fix rings and the lifting chain of being connected with rings on the pile cutting module assembly, be connected with the haulage rope on the rings, rings are worn to establish by the one end of haulage rope, be fixed with the connecting block on the haulage rope, the joint groove has been seted up on the connecting block, the haulage rope that is located the rings both sides all wears to establish the joint groove, be fixed with on the connecting block and be used for locking the locking Assembly of haulage rope at the joint inslot. This application consolidates the hoist and mount to cutting a pile module assembly through addding the haulage rope, and the haulage rope can be stably connected with rings under connecting block and locking Assembly's effect, improves the hoist and mount security performance who cuts a pile module assembly, and the haulage rope can decompose the effort that acts on the chain sling simultaneously, reduces the loss of chain sling, has the energy-conserving effect of building.

Description

Pile cutter with safety protection device

Technical Field

The application relates to the technical field of pile foundation construction equipment, in particular to a pile cutting machine with a safety protection device.

Background

The pile cutting machine is one kind of engineering machine suitable for fast cutting pile head in pile foundation engineering. The pile head cutting device is suitable for cutting pile heads of various pile foundation forms. The pile breaking machine is generally called in the world, and is named as a pile cutting machine in order to meet the habit of China.

Now, a Chinese patent with an authorization publication number of CN209779624U is retrieved, and a combined hydraulic pile cutting machine is disclosed, which comprises a plurality of pile cutting module assemblies, wherein each pile cutting module assembly comprises a module base, a pile cutting oil cylinder and a pile cutting head; a cylinder barrel of the pile cutting oil cylinder is fixed on the module base, an annular guide flange is fixed at the front end of the cylinder barrel of the pile cutting oil cylinder, a pile cutting head is installed in an annular hole of the guide flange, and the rear end of the pile cutting head is coaxially and fixedly connected with a piston rod of the pile cutting oil cylinder; the pile cutting machine is characterized in that two tee pipe joints communicated with pile cutting oil cylinders are arranged on the module bases, the module bases of all pile cutting module assemblies are enclosed to form an annular pile cutting ring, the joint parts of the adjacent module bases are fixed with each other through pins, at least three lifting chains are arranged on the pile cutting ring, the lifting chains are symmetrically arranged around the center of the pile cutting ring, and the lower ends of the lifting chains are respectively fixed on the lifting rings of all the module bases.

In view of the above-mentioned related technologies, the inventor believes that the module base is hoisted only by the hoist chain, so that the hoist chain is easily broken by a large force, resulting in poor hoisting safety performance of the pile cutter.

SUMMERY OF THE UTILITY MODEL

In order to improve the poor problem of pile cutter hoist and mount security performance, this application provides a cut stake machine with safety device.

The application provides a pile cutter with safety device adopts following technical scheme:

the utility model provides a pile cutter with safety device, includes and cuts a pile module assembly, fixes rings on cutting a pile module assembly and with the chain sling that rings are connected, its characterized in that: the lifting rope is connected to the lifting rings, the lifting rings are arranged at one ends of the lifting ropes in a penetrating mode, connecting blocks are fixed on the lifting ropes, clamping grooves are formed in the connecting blocks, the connecting blocks are located on two sides of the lifting rings, the lifting ropes are arranged in a penetrating mode, and locking assemblies used for locking the lifting ropes in the clamping grooves are fixed on the connecting blocks.

Through adopting above-mentioned technical scheme, when hoisting and consolidating the pile cutting module assembly, pass rings with the one end of haulage rope, make rings hang and establish on the haulage rope, the haulage rope that will be located the rings both sides inserts the joint inslot on the connecting block again, make the haulage rope keep away from the one end of rings and wear to establish the joint groove, use locking Assembly to fix the haulage rope locking in the joint inslot on the connecting block at last, the pile cutter that has safety device of above-mentioned structural design consolidates the hoist and mount to pile cutting module assembly through addding the haulage rope, the haulage rope can be with rings stable connection under the effect of connecting block and locking Assembly, improve the hoist and mount security performance of pile cutting module assembly, the haulage rope can decompose the effort that acts on the chain sling simultaneously, reduce the loss of chain sling, the energy-saving effect has the building.

Optionally, the locking assembly comprises a locking nut and a butting block, the locking nut is sleeved on the outer side of the connecting block and located on the outer side of the clamping groove, a thread strip in threaded fit with the locking nut is fixed on the connecting block, and the butting block is located between the locking nut and the traction rope.

Through adopting above-mentioned technical scheme, when fixing locking to the haulage rope, on the connecting block is pegged graft with the butt piece earlier, and remove butt piece orientation haulage rope direction motion, make the haulage rope the joint fix at the joint inslot under the effect of butt piece and joint groove diapire, establish the locking nut cover in the connecting block outside after that, rotate lock nut, lock nut drives lock nut under the screw drive of screw thread strip towards butt piece direction motion and with butt piece butt, the haulage rope that is located the rings both ends all locks the joint inslot of fixing on the connecting block under lock nut's butt effect, this moment the haulage rope can with rings stable connection under the butt effect of joint groove diapire and butt piece and lock nut and the threaded connection effect of screw thread strip, improve the hoist and mount security performance of pile cutting module assembly.

Optionally, a groove matched with the traction rope in a clamping manner is formed in the end face, close to the traction rope, of the abutting block.

Through adopting above-mentioned technical scheme, the recess can be fixed the haulage rope joint on the butt piece, and the recess has increased the area of contact between butt piece and the haulage rope, has improved the butt effect of butt piece to the haulage rope.

Optionally, the inner wall of the clamping groove is provided with a protruding strip for increasing friction.

Through adopting above-mentioned technical scheme, protruding strip has increased the friction between haulage rope and the joint inslot wall, avoids the haulage rope to follow the joint inslot slippage, causes the haulage rope can't stably hang and establishes on rings.

Optionally, a reverse nut is screwed on the threaded strip, and the thread turning direction of the reverse nut is opposite to that of the locking nut.

Through adopting above-mentioned technical scheme, reverse nut can consolidate lock nut's locking effect, has restricted lock nut towards the direction motion of keeping away from the butt piece for lock nut can stabilize the butt with the butt piece.

Optionally, a positioning barrel for preventing slipping is fixed on the traction rope.

Through adopting above-mentioned technical scheme, receive great pulling force and when sliding in the joint inslot when the haulage rope, a location section of thick bamboo can carry out the butt with the connecting block tip to restricted haulage rope from the inslot slippage of joint.

Optionally, a rubber pad for reducing friction is fixed on the end face of the lock nut close to the abutting block.

Through adopting above-mentioned technical scheme, the rubber pad can reduce the friction between lock nut and the butt piece, also can avoid simultaneously causing the poor problem of lock nut to the butt locking effect of butt piece because of butt piece terminal surface unevenness.

Optionally, a jack is formed in the side wall of the locking nut, and a rotating rod convenient to rotate is inserted in the jack.

Through adopting above-mentioned technical scheme, the bull stick passes through the jack and pegs graft fixedly with lock nut, rotates the bull stick, and the bull stick drives lock nut and rotates fast for lock nut fast butt realizes the quick locking of haulage rope in the joint inslot on the butt piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pile cutting module assembly is reinforced and hoisted by additionally arranging the traction rope, the traction rope can be stably connected with the hoisting ring under the abutting action of the bottom wall of the clamping groove and the abutting block and the threaded connection action of the locking nut and the threaded strip, the hoisting safety performance of the pile cutting module assembly is improved, meanwhile, the traction rope can decompose the acting force acting on the hoisting chain, the loss of the hoisting chain is reduced, and the energy-saving effect of the building is achieved;

2. the reverse nut can reinforce the locking effect of the locking nut, and limits the locking nut to move towards the direction far away from the abutting block, so that the locking nut can be stably abutted against the abutting block;

3. the positioning cylinder can be abutted against the end part of the connecting block, so that the traction rope is limited to slip from the clamping groove.

Drawings

FIG. 1 is a schematic structural diagram of the whole in the embodiment of the present application;

FIG. 2 is a schematic structural diagram of a traction rope, a connecting block, a locking assembly, a threaded strip, a protruding strip, a reverse nut, a positioning cylinder, a rubber pad and a rotating rod in the embodiment of the application;

fig. 3 is an exploded view of a pull cord, a connector block, a locking assembly, a threaded strip, a raised strip, a counter nut, a positioning cylinder, a rubber pad, and a rotating rod in an embodiment of the present application.

Reference numerals: 1. a pile cutting module assembly; 2. a hoisting ring; 3. a chain is hung; 4. a hauling rope; 5. connecting blocks; 6. a clamping groove; 7. a locking assembly; 71. locking the nut; 72. a butting block; 8. a threaded strip; 9. a groove; 10. a raised strip; 11. a reverse nut; 12. a positioning cylinder; 13. a rubber pad; 14. a jack; 15. a rotating rod; 16. and (4) hanging hooks.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses cut stake machine with safety device. Referring to fig. 1, the pile cutter with safety protection device comprises a pile cutting module assembly 1, a lifting ring 2, a lifting chain 3 and a traction rope 4.

Referring to fig. 1, the pile cutter is formed by combining four pile cutting module assemblies 1 in an end-to-end mode, four lifting rings 2 are arranged, the four lifting rings 2 are correspondingly welded and fixed on the four pile cutting module assemblies 1, four lifting chains 3 are arranged, the four lifting chains 3 are arranged in an equal length mode, each lifting chain 3 is formed by buckling a plurality of annular buckles in a pairwise mode, one ends of the four lifting chains 3 are buckled with the four lifting rings 2 in a one-to-one mode, and the other ends of the four lifting rings 2 are all hung on the same hook 16.

Haulage rope 4 is provided with four, and haulage rope 4 is twisted into one by the multilayer steel wire thigh, and four haulage ropes 4 and four rings 2 one-to-one, and rings 2 are worn to establish by the one end of haulage rope 4, and couple 16 is worn to establish by the other end of haulage rope 4, cuts a module assembly 1 and realizes stably hanging under haulage rope 4's linkage effect and establishes.

Referring to fig. 2 and 3, the equal joint in both ends of haulage rope 4 is fixed with connecting block 5, connecting block 5 is made by steel, run through on connecting block 5 and seted up joint groove 6, joint groove 6 is the U font, haulage rope 4 that is located rings 2 both sides all wears to establish joint groove 6, distance between the 6 both sides walls of joint groove equals haulage rope 4's diameter size, equal welded fastening has a plurality of protruding strips 10 on the inner wall of 6 both sides in joint groove, the direction interval that a plurality of protruding strips 10 extend along haulage rope 4 sets up, protruding strip 10 has increased the friction between haulage rope 4 and the 6 lateral walls in joint groove, the cover is equipped with two a location section of thick bamboo 12 that are used for preventing the slippage on haulage rope 4, two location section of thick bamboo 12 are located the both sides of connecting block 5 respectively, a location section of thick bamboo 12 is made by steel, and a location section of thick bamboo 12 is through welded mode and haulage rope 4 coaxial fixed connection.

One end that 6 diapalls of joint groove were kept away from to connecting block 5 is provided with locking Assembly 7, locking Assembly 7 includes lock nut 71 and butt piece 72, lock nut 71 cover is established in connecting block 5 periphery, butt piece 72 is located between lock nut 71 and haulage rope 4, welded fastening has screw thread strip 8 on the connecting block 5 that is located the 6 outsides of joint groove, the screw thread terminal surface orientation of screw thread strip 8 is kept away from 6 directions in joint groove, lock nut 71 and 8 screw fit of screw thread strip, jack 14 has been seted up on the lock nut 71 lateral wall, the one end of jack 14 is closed setting, the one end of jack 14 is the opening setting, interference fit has bull stick 15 in the jack 14, bull stick 15 extends to outside the jack 14, bull stick 15 is convenient for rotate lock nut 71 fast, make lock nut 71 move towards 4 directions of haulage rope under the screw drive of screw thread strip 8.

Referring to fig. 2 and 3, the longitudinal section of butt piece 72 is the U font, butt piece 72 is made by steel, distance between the inner wall of butt piece 72 both sides equals connecting block 5 along the thickness dimension of 4 extending direction of haulage rope, butt piece 72 is pegged graft on connecting block 5, and the U font diapire of butt piece 72 and the 5 lateral wall butt of connecting block, butt piece 72 runs through along 4 extending direction of haulage rope on being close to the terminal surface of haulage rope 4 and has seted up recess 9, recess 9 sets up to the semicircle form, and the diameter dimension of recess 9 place circle equals the diameter dimension of haulage rope 4, the diapire butt of joint groove 6 on haulage rope 4 and the connecting block 5 that is located rings 2 one side, haulage rope 4 and the inseparable butt of recess 9 inner wall that are located rings 2 opposite sides.

The rubber pad 13 used for reducing friction is bonded on the end face, far away from the groove 9, of the abutting block 72, the end face, far away from the abutting block 72, of the rubber pad 13 is tightly abutted to the locking nut 71, the reverse nut 11 is arranged on one side, far away from the rubber pad 13, of the locking nut 71, the spiral direction of the reverse nut 11 is opposite to the spiral direction of the locking nut 71, the reverse nut 11 is in spiral fit with the thread strip 8, and the reverse nut 11 is tightly abutted to the locking nut 71.

The implementation principle of the pile cutting machine with the safety protection device in the embodiment of the application is as follows: firstly, four pile cutting module assemblies 1 are combined end to form a pile cutting machine, the pile cutting machine is horizontally hung on a hook 16 through four lifting chains 3 and four lifting rings 2, then four traction ropes 4 respectively penetrate through the corresponding four lifting rings 2 to enable the lifting rings 2 to be hung on the traction ropes 4, then the traction ropes 4 positioned at two sides of the lifting rings 2 are inserted into a clamping groove 6 on a connecting block 5, two positioning cylinders 12 on the traction ropes 4 are respectively positioned at two sides of the connecting block 5, a butting block 72 is spliced on the connecting block 5, the traction ropes 4 are clamped with a groove 9 on the butting block 72, a rotating rod 15 rotates a locking nut 71, the locking nut 71 moves towards the butting block 72 under the driving of threads of a threaded strip 8, when the locking nut 71 is tightly butted with a rubber pad 13, the locking nut 71 stops rotating, under the action of the threads of the locking nut 71 and the threaded strip 8, the traction ropes 4 positioned at one side of the lifting rings 2 are butted with the bottom wall of the clamping groove 6 on the connecting block 5, the haulage rope 4 that is located 2 opposite sides of rings and the inseparable butt of recess 9 inner wall on the butt piece 72, haulage rope 4 under the effect of the mutual extrusion butt of diapire of butt piece 72 and joint groove 6 and haulage rope 4 and the frictional action of the protruding strip 10 of 6 inner walls of joint groove lock down and fix on connecting block 5, realize with rings 2's stable connection.

Finally, the reverse nut 11 is sleeved on the connecting block 5, the reverse nut 11 is rotated, the reverse nut 11 moves towards the direction of the locking nut 71 under the driving of the threads of the threaded strip 8 and is tightly abutted to the locking nut 71, so that the locking of the locking nut 71 to the traction rope 4 is more stable, the other end of the traction rope 4 is stably connected with the hook 16 by using the same method, the connection of the traction rope 4 enables the hoisting safety performance of the pile cutting module assembly 1 to be improved, meanwhile, the traction rope 4 can decompose the acting force acting on the sling chain 3, the loss of the sling chain 3 is reduced, and the energy-saving effect of a building is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pile cutter with safety device, includes pile cutting module assembly (1), fixes rings (2) on pile cutting module assembly (1) and with chain sling (3) that rings (2) are connected, its characterized in that: be connected with haulage rope (4) on rings (2), the one end of haulage rope (4) is worn to establish rings (2), be fixed with connecting block (5) on haulage rope (4), joint groove (6) have been seted up on connecting block (5), are located rings (2) both sides haulage rope (4) are all worn to establish joint groove (6), be fixed with on connecting block (5) be used for with haulage rope (4) locking is in locking component (7) in joint groove (6).

2. The pile cutting machine with the safety protection device as claimed in claim 1, characterized in that: locking Assembly (7) include lock nut (71) and butt piece (72), lock nut (71) cover is established the connecting block (5) outside is located joint groove (6) outside be fixed with on connecting block (5) with lock nut (71) screw fit's screw thread strip (8), butt piece (72) are located lock nut (71) with between haulage rope (4).

3. The pile cutting machine with the safety protection device as claimed in claim 2, characterized in that: the end face, close to the traction rope (4), of the abutting block (72) is provided with a groove (9) matched with the traction rope (4) in a clamping mode.

4. The pile cutting machine with the safety protection device as claimed in claim 3, characterized in that: and the inner wall of the clamping groove (6) is provided with a protruding strip (10) for increasing friction.

5. The pile cutting machine with the safety protection device as claimed in claim 2, characterized in that: the reverse nut (11) is spirally matched on the thread strip (8), and the thread turning direction of the reverse nut (11) is opposite to that of the locking nut (71).

6. The pile cutting machine with the safety protection device as claimed in claim 1, characterized in that: and a positioning cylinder (12) for preventing slipping is fixed on the traction rope (4).

7. The pile cutting machine with the safety protection device as claimed in claim 2, characterized in that: and a rubber pad (13) for reducing friction is fixed on the end face, close to the abutting block (72), of the locking nut (71).

8. The pile cutting machine with the safety protection device as claimed in claim 2, characterized in that: the side wall of the locking nut (71) is provided with a jack (14), and a rotating rod (15) convenient to rotate is inserted in the jack (14).