CN111457159A - Jacking pipe jacking equipment - Google Patents
Jacking pipe jacking equipment Download PDFInfo
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- CN111457159A CN111457159A CN202010572955.XA CN202010572955A CN111457159A CN 111457159 A CN111457159 A CN 111457159A CN 202010572955 A CN202010572955 A CN 202010572955A CN 111457159 A CN111457159 A CN 111457159A
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- cutter head
- connecting rod
- jacking
- driving rod
- hinged
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
Abstract
The invention discloses jacking pipe-jacking equipment, aiming at providing jacking pipe-jacking equipment with variable rotating diameter and overload protection function, which adopts the technical scheme that the jacking pipe-jacking equipment comprises a pipe-jacking machine body, a cutter head mechanism which is in transmission connection with the pipe-jacking machine body and has variable rotating radius, a crushing mechanism which follows the cutter head mechanism, and a feeding mechanism which conveys obstacles after the crushing mechanism is crushed; the cutter head mechanism is linked with the crushing mechanism in the process of increasing the rotating radius, and the grinding gap of the crushing mechanism is reduced; the cutter head mechanism is linked with the crushing mechanism in the process of reducing the rotating radius, and the material grinding gap of the crushing mechanism is increased; the invention is suitable for the technical field of push bench.
Description
Technical Field
The invention relates to the technical field of push bench, in particular to a push bench.
Background
With the increasing demand of underground pipelines year by year, the pipe jacking technology for enhancing environmental protection consciousness plays more and more important roles and roles in the construction of the underground pipelines. The development of the pipe jacking technology is bound to be developed towards the direction of scale, standardization and internationalization.
The tool bit is the main working element of push bench, in the push pipe work progress, the tool bit is rotatory and continuously carries out the top by the drive of external power source, and then make the hole that can hold the pipeline and place in the work area, different cutterheads should be chooseed for use in different geological strata, the cutter configuration, the cutterhead, the good or bad tunnelling speed and the benefit of the influence push pipe of cutter configuration, the success or failure of direct influence push pipe construction even, because current tool bit structural design diameter is unchangeable and lack overload protection device, meet the harder barrier of texture at rotatory in-process, the atress of tool bit is great, damage easily, and the great barrier of granule that produces behind the rotatory in-process barrier of tool bit, arouse subsequent material device of grinding and pass the material device to block easily. To this end, we propose a jacking pipe apparatus to solve the above mentioned problems in the background art.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the jacking pipe jacking equipment with variable rotating diameter and overload protection function is provided.
In order to achieve the above object, the present invention provides the following technical solutions.
A jacking pipe jacking device comprises a pipe jacking machine body, a cutter head mechanism which is in transmission connection with the pipe jacking machine body and has a variable rotation radius, a crushing mechanism which follows the cutter head mechanism, and a feeding mechanism which conveys obstacles after the crushing mechanism is crushed;
the cutter head mechanism is linked with the crushing mechanism in the process of increasing the rotating radius, and the grinding gap of the crushing mechanism is reduced;
the cutter head mechanism is linked with the crushing mechanism in the process that the rotating radius is reduced, and the material grinding gap of the crushing mechanism is increased.
After adopting the structure, compared with the prior art, the jacking pipe-jacking equipment has the following advantages: when the device is used, when a hard obstacle is encountered, the rotating radius of the cutter head mechanism is reduced, so that the contact area between the cutter head mechanism and the obstacle is reduced, the stress of the cutter head mechanism is further reduced, the damage of the cutter head mechanism caused by the fact that the cutter head mechanism rotates continuously due to the fact that the contact area between the cutter head mechanism and the obstacle is wide and the stress is large is avoided, and the service life of the device is prolonged; and the rotatory radius of tool bit mechanism reduces the grinding clearance increase of in-process linkage rubbing crusher structure for the cubic great barrier that produces can get into in grinding the material clearance and can be smashed the processing, and transmit to the external world through feeding mechanism, avoid cubic great barrier to arouse grinding device or feeding mechanism card to die, further extension means's life.
As an improvement of the invention, the cutter head mechanism comprises a driving rod, a first cutter head, a second cutter head and a pre-tightening mechanism, and the push bench body is in transmission connection with the driving rod and drives the driving rod to rotate;
the first cutter head is arranged at the front end of the driving rod in an extending mode and slides along the axial direction of the driving rod, the second cutter head is hinged to the front end of the driving rod, and the second cutter head is in transmission connection with the first cutter head through a first connecting rod;
the crushing mechanism comprises a fixed sleeve, an inner cylinder, an outer cylinder and a roller body, wherein the fixed sleeve is sleeved outside the driving rod, the inner cylinder is connected with the fixed sleeve, the outer cylinder is rotatably connected to the fixed sleeve, one end of the roller body is hinged to the fixed sleeve, the other end of the roller body is hinged to the central position of the first connecting rod through a second connecting rod, the roller body is arranged between the outer cylinder and the inner cylinder, and the inner cylinder and the roller body form a material grinding gap. When the tool bit mechanism is used, when the tool bit mechanism continues to jack and the hardness of the barrier is enough to overcome the pretightening force supplied by the pretightening mechanism to the first tool bit, the first tool bit slides backwards along the axial direction of the driving rod, the rotating radius of the second tool bit is linked through the first connecting rod to be gradually reduced in the process of sliding backwards in the axial direction, and the right side of the roller body is linked through the second connecting rod to ascend so that the grinding gap is increased; when the cutter head mechanism continues to jack and the hardness of the barrier is not enough to overcome the pretightening force supplied by the pretightening mechanism to the first cutter head, the first cutter head shaft slides forwards along the axial direction of the driving rod, the rotating radius of the second cutter head is linked by the first connecting rod to be gradually increased in the process of sliding forwards in the axial direction, and the grinding gap is reduced by the descending of the right side of the second connecting rod linked roller body. Above-mentioned process has realized that the device can be when the barrier that meets at the jacking in-process, according to the hardness of barrier, automatic adjustment radius of rotation and grinding material clearance for break away the barrier and continue the jacking, have functional, the reliability is high, characteristics that the suitability is strong, effectively avoid the problem of time limit for a project extension.
As an improvement of the invention, the first cutter head has an initial position state and a maximum position state of axial backward sliding, and the pre-tightening mechanism enables the first cutter head to always have a trend of the initial position state;
when the first cutter head is in an initial position state, the first connecting rod is linked with the position state of the second cutter head with the maximum rotating radius, and the second connecting rod is linked with the roller body to enable the grinding gap to be in a minimum state;
when the first cutter head is in the maximum position state of sliding backwards in the axial direction, the position state that the second cutter head has the minimum rotating radius is linked through the first connecting rod, and the material grinding gap is in the maximum state through the linkage of the second connecting rod and the roller body.
Through the improvement, the first cutter head has an initial position state and an axial backward sliding maximum position state, so that the rotating radius of the second cutter head and the material grinding gap of the crushing mechanism are in a changed range, the problem that the device is damaged due to the excessive change of the rotating radius or the material grinding gap is effectively avoided, the structural layout is reasonable, and the reliability and the service life of the device are improved.
As an improvement of the invention, the first cutter head and the driving rod rotate synchronously, and an extension section is arranged on the first cutter head, and the other end of the extension section extends to match with the output end of the pre-tightening mechanism;
one end of the second tool bit is hinged to the front end of the driving rod, the other end of the second tool bit is hinged to the first connecting rod, and the other end of the first connecting rod is hinged to the moving end of the pre-tightening mechanism. Through the improvement, the device is reasonable in structural layout.
As an improvement of the present invention, a hole is formed in the driving rod, the pre-tightening mechanism includes a spring seat disposed in the hole, and a first bearing seat fixed to one end of the spring seat, the extension section extends into the hole to abut against a fixed end of the first bearing seat, and a rotating end of the first bearing seat is hinged to the first connecting rod. Offer the hole body on the actuating lever to set up pretension mechanism in the hole body and have the characteristics that reduce the assembly area, the extension section passes the actuating lever and extends to the hole in vivo and offsets with the stiff end of primary shaft bearing, the rotation end of primary shaft bearing is articulated with the head rod, avoids the reliability that the spring holder leads to the device to reduce in the use, has that structural design is reasonable, the cooperation stability is high, the characteristics of the reliability of hoisting device.
As an improvement of the present invention, the driving rod is provided with a straight notch corresponding to the spring seat, the rotating end of the first bearing block is provided with a connecting piece, and the connecting piece extends to the outer side of the straight notch and is hinged to the tail end of the first connecting rod. Set up the notch to set up the connecting piece that extends to the notch outside on the rotation end of first bearing frame, when making the spring shrink, axial slip that first bearing frame can be stable and then the stable rotation diameter that reduces of linkage second tool bit.
As an improvement of the present invention, the driving rod is further provided with a second bearing seat, a fixed end of the second bearing seat is connected with the fixed sleeve and the inner cylinder, and a rotating end of the second bearing seat is connected with the driving rod. Through the improvement, the device has the characteristic of improving the running reliability of the device, and the service life of the device is prolonged.
As an improvement of the present invention, a third bearing seat is installed on the fixing sleeve, and a rotating end of the third bearing seat is connected with the outer cylinder and the roller body. Through setting up third bearing frame for can link urceolus and roll body when the actuating lever is rotatory and can fix the cover rotation relatively, and then pulverize the barrier in grinding the material clearance.
As an improvement of the present invention, the third bearing seat is provided with an intermediate connecting member extending therefrom, the intermediate connecting member is hinged to one end of the roller body, the roller body and the inner cylinder form the material grinding gap therebetween, and the material grinding gap has a tendency of gradually increasing in distance in a direction toward the first cutter head. Extend to set up the connecting piece that is used for connecting the roll body on third bearing frame for the roll body is located the inner tube outside, and cooperation head rod and second connecting rod make the material grinding clearance that constitutes between roll body and the inner tube have the trend towards the direction interval crescent of first tool bit. And then make things convenient for the barrier to get into crushing processing in grinding the material clearance, have convenient to use's characteristics.
As an improvement of the invention, a material port communicated with the material grinding gap is arranged on the fixing sleeve, the material port is positioned on the fixing sleeve between the third bearing seat and the inner cylinder, and a transmission channel communicated with the material port is formed between the fixing sleeve and the driving rod. The material opening is arranged on the fixing sleeve between the third bearing seat and the inner cylinder, so that the crushed barrier can enter the transmission channel through the material opening.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the cutter head mechanism and the crushing mechanism of the present invention.
Fig. 3 is a partial structural cross-sectional structural schematic diagram of the present invention.
Fig. 4 is an enlarged view of the structure at a in fig. 3 according to the present invention.
FIG. 5 is a schematic view of the position of the material port and the straight slot of the present invention.
Fig. 6 is a schematic structural view of the first blade head of the present invention in an initial position state.
Fig. 7 is a schematic structural view of a state of maximum position of axial rearward sliding of the first cutter head of the present invention.
Shown in the figure: 1. a push bench body; 2. a cutter head mechanism; 21. a drive rod; 211. a porous body; 212. a straight notch; 213. a second bearing housing; 22. a first cutter head; 221. an extension section; 23. a second cutter head; 3. a crushing mechanism; 31. fixing a sleeve; 311. a material port; 32. an inner barrel; 33. an outer cylinder; 34. a roller body; 4. a pre-tightening mechanism; 41. a spring seat; 42. a first bearing housing; 5. a feeding mechanism; 51. a helical feeding blade; 6. a first connecting rod; 7. a second connecting rod; 8. a third bearing seat; 81. an intermediate connecting member.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1-7, the jacking pipe-jacking equipment of the invention comprises a pipe jacking machine body 1, a cutter head mechanism 2 which is in transmission connection with the pipe jacking machine body 1 and has a variable rotation radius, a crushing mechanism 3 which follows the cutter head mechanism 2, and a feeding mechanism 5 which conveys obstacles after the crushing mechanism 3 crushes;
the cutter head mechanism 2 is linked with the crushing mechanism 3 in the process of increasing the rotating radius, and the material grinding gap of the crushing mechanism 3 is reduced;
the cutter head mechanism 2 is linked with the crushing mechanism 3 in the process of reducing the rotating radius, and the grinding gap of the crushing mechanism 3 is increased.
After adopting the structure, compared with the prior art, the jacking pipe-jacking equipment has the following advantages: when the device is used, when a hard obstacle is encountered, the rotating radius of the cutter head mechanism 2 is reduced, so that the contact area between the output end of the cutter head mechanism 2 and the obstacle is reduced, the stress of the output end of the cutter head mechanism 2 is reduced, the damage to the cutter head mechanism 2 caused by the fact that the output end of the cutter head mechanism 2 is wide in contact area with the obstacle and large in stress is avoided, the cutter head mechanism 2 is continuously rotated, and the service life of the device is prolonged; and the rotatory radius of tool bit mechanism 2 reduces the increase in-process linkage rubbing crusher mechanism 3's the material clearance of grinding for the barrier that generates can get into in grinding the material clearance and can be smashed the processing, and transmit to the external world through feeding mechanism 5, avoid cubic great barrier to cause grinding device or feeding mechanism 5 card extremely, further extension means's life.
Referring to fig. 1-5, the cutter head mechanism 2 includes a driving rod 21, a first cutter head 22, a second cutter head 23, and a pre-tightening mechanism 4, and the push bench body 1 is in transmission connection with the driving rod 21 to drive the driving rod 21 to rotate;
the first cutter head 22 extends to the front end of the driving rod 21 and slides along the axial direction of the driving rod 21, the second cutter head 23 is hinged at the front end of the driving rod 21, and the second cutter head 23 is in transmission connection with the first cutter head 22 through a first connecting rod 6;
the crushing mechanism 3 comprises a fixed sleeve 31 sleeved outside the driving rod 21, an inner cylinder 32 connected with the fixed sleeve 31, an outer cylinder 33 connected with the fixed sleeve 31 in a rotating mode and a roller body 34, one end of the roller body 34 is hinged to the fixed sleeve 31, the other end of the roller body is hinged to the central position of the first connecting rod 6 through a second connecting rod 7, the roller body 34 is arranged between the outer cylinder 33 and the inner cylinder 32, and the inner cylinder 32 and the roller body 34 form a material grinding gap.
Through the improvement, a worker can set the pre-tightening mechanism 4 with proper pre-tightening force according to the requirement of the jacking pipe, when the jacking pipe is used, the cutter head is continuously jacked, and the hardness of the barrier is enough to overcome the pre-tightening force supplied to the first cutter head 22 by the pre-tightening mechanism 4, the first cutter head 22 slides backwards along the axial direction of the driving rod 21, the rotating radius of the second cutter head 23 is linked through the first connecting rod 6 to be gradually reduced in the process of sliding backwards in the axial direction, and the right side of the roller body 34 is linked through the second connecting rod 7 to be lifted so that the grinding gap is increased; when the cutter head mechanism 2 continues to be jacked in and the hardness of the obstacle is not enough to overcome the pre-tightening force supplied to the first cutter head 22 by the pre-tightening mechanism 4, the shaft of the first cutter head 22 axially slides forwards along the driving rod 21, the rotating radius of the second cutter head 23 is gradually increased through the linkage of the first connecting rod 6 in the process of axial forward sliding, and the right side of the roller body 34 is lowered through the linkage of the second connecting rod 7 so that the grinding gap is reduced.
Referring to fig. 6 and 7, the first cutter head 22 has an initial position state and a maximum position state of axial backward sliding, and the pretensioning mechanism 4 makes the first cutter head 22 always have a trend of the initial position state;
when the first cutter head 22 is in the initial position state, the position state that the second cutter head 23 has the maximum rotation radius is linked through the first connecting rod 6, and the grinding gap is in the minimum state by linking the roller body 34 through the second connecting rod 7;
when the first cutter head 22 is in the maximum position state of sliding backward in the axial direction, the position state of the second cutter head 23 with the minimum rotation radius is linked through the first connecting rod 6, and the grinding gap is in the maximum state by linking the roller body 34 through the second connecting rod 7.
The process realizes that the device can automatically adjust the rotating radius and the size of the material grinding gap according to the hardness of the obstacle when the device meets the obstacle in the jacking process, the inlet of the material grinding gap follows the material grinding gap, and when the first cutter head 22 is in the initial position state, the inlet of the material grinding gap is minimum; when the first cutter head 22 is in the maximum position state of sliding backwards in the axial direction, the inlet of the material grinding gap is the largest, so that the material grinding gap can enter a barrier with a large size to be ground, the material grinding gap has the characteristics of high functionality and reliability and strong applicability, and the problem of prolonging the construction period is effectively solved.
As shown in fig. 2 to 5, the first blade 22 and the driving rod 21 rotate synchronously, and an extension section 221 is disposed on the first blade 22, and the other end of the extension section 221 extends to match with the output end of the pre-tightening mechanism 4;
one end of the second cutter head 23 is hinged to the front end of the driving rod 21, the other end of the second cutter head is hinged to the first connecting rod 6, and the other end of the first connecting rod 6 is hinged to the moving end of the pre-tightening mechanism 4. Through the improvement, the device is reasonable in structural layout.
Referring to fig. 3 and 4, a hole 211 is formed in the driving rod 21, the pre-tightening mechanism 4 includes a spring seat 41 disposed in the hole 211, and a first bearing seat 42 fixed to one end of the spring seat 41, the extending section 221 extends into the hole 211 to abut against a fixed end of the first bearing seat 42, and a rotating end of the first bearing seat 42 is hinged to the first connecting rod 6. Offer the hole body 211 on actuating lever 21 to set up pretension mechanism 4 and have the characteristics that reduce the assembly area in the hole body 211, extension section 221 passes actuating lever 21 and extends to in the hole body 211 and offsets with the stiff end of primary shaft bearing 42, and the rotation end of primary shaft bearing 42 is articulated with head rod 6, avoids spring holder 41 to lead to the reliability of device to reduce in the use, has that structural design is reasonable, the cooperation stability is high, the characteristics of hoisting device's reliability.
Referring to fig. 3, 4 and 5, the driving rod 21 is provided with a straight slot 212 corresponding to the spring seat 41, and a connecting member is disposed at a rotating end of the first bearing seat 42, and the connecting member extends to an outer side of the straight slot 212 and is hinged to a tail end of the first connecting rod 6. The straight notch 212 is provided, and a connecting member extending to the outside of the straight notch 212 is provided on the rotating end of the first bearing seat 42, so that when the spring contracts, the first bearing seat 42 can stably axially slide to further link with the stable reduced rotating diameter of the second cutter head 23.
Referring to fig. 2, fig. 3, fig. 4 and fig. 5, the driving rod 21 is further provided with a second bearing seat 213, a fixed end of the second bearing seat 213 is connected to the fixed sleeve 31 and the inner cylinder 32, and a rotating end of the second bearing seat 213 is connected to the driving rod 21. Through the improvement, the device has the characteristic of improving the running reliability of the device, and the service life of the device is prolonged.
Referring to fig. 4, the fixing sleeve 31 is provided with a third bearing seat 8, and a rotating end of the third bearing seat 8 is connected with the outer cylinder 33 and the roller 34. Through setting up third bearing frame 8 for can link urceolus 33 and roll body 34 and can rotate relative fixed cover 31 when actuating lever 21 is rotatory, and then pulverize the barrier in the grinding clearance. The third bearing seat 8 is provided with an intermediate connecting member 81 in an extending manner, the intermediate connecting member 81 is hinged to one end of the roller body 34, the material grinding gap is formed between the roller body 34 and the inner cylinder 32, and the material grinding gap has a tendency of gradually increasing in distance towards the first tool bit 22. A connecting element for connecting the roller body 34 is arranged on the third bearing block 8 in an extending manner, so that the roller body 34 is located outside the inner cylinder 32, and the first connecting rod 6 and the second connecting rod 7 are engaged so that the grinding gap formed between the roller body 34 and the inner cylinder 32 has a tendency to increase gradually in distance in the direction of the first tool head 22. And then make things convenient for the barrier to get into crushing processing in grinding the material clearance, have convenient to use's characteristics.
Referring to fig. 3 and 5, the fixing sleeve 31 is provided with a material port 311 communicating with the material grinding gap, the material port 311 is located on the fixing sleeve 31 between the third bearing seat 8 and the inner cylinder 32, and a transmission channel communicating with the material port 311 is formed between the fixing sleeve 31 and the driving rod 21. The material opening 311 is arranged on the fixing sleeve 31 between the third bearing seat 8 and the inner cylinder 32, so that the crushed obstacles can enter the conveying channel through the material opening 311.
Referring to fig. 3, the feeding mechanism 5 includes a spiral feeding blade 51, the spiral feeding blade 51 is disposed in the transmission channel of the fixing sleeve 31 at the rear end of the material opening 311, the spiral feeding blade 51 is in transmission connection with the driving rod 21, and the driving rod 21 rotates to link the spiral feeding blade 51 to rotate, so that the obstacles in the transmission channel are discharged to the outside.
The working principle is as follows: when the outer cylinder 33 is used, a worker circumferentially fixes the outer cylinder 33, inserts the first cutter head 22 into the front end of the driving rod 21 through the extension section 221 until the extension section 221 enters the hole body 211 (the extension section 221 is circumferentially and fixedly connected with the driving rod 21 through a pin or a spline), further, installs a stopper on the extension section 221 in the hole body 211 to prevent the first cutter head 22 from sliding out of the driving rod 21, the front end of the second cutter head 23 is hinged at the front end of the driving rod 21, and the number of the second cutter heads 23 and the number of the roller bodies 34 are the same as that of the plurality of groups, each group of the roller bodies 34 and the second cutter head 23 are respectively in transmission connection through a first connecting rod 6 and a second connecting rod 7, the plurality of groups of the second cutter heads 23 are annularly distributed on the circumferential side of the driving rod 21, the plurality of the groups of the roller bodies 34 are annularly distributed on the circumferential side of the third bearing 8, and the tail end of, the front end is hinged with the tail end of a second connecting rod 7, the tail end of the second connecting rod 7 is hinged at the position close to the center of a first connecting rod 6, the tail end of the first connecting rod 6 is hinged on a connecting piece at the rotating end of a first bearing seat 42, the front end is hinged at the position close to the tail end of a second cutter head 23, the installation process is carried out so that the position state of the second cutter head 23 with the largest rotating radius corresponds to the minimum position state of the axial sliding of the first cutter head 22 (the position state with the smallest axial sliding is the initial position state, and in the initial position state, the working area is a circular truncated cone-shaped area with the gradually increased rotating radius from the front end to the rear end under the rotating condition of the second cutter head 23. in the initial position state, the working area is a circular truncated cone-shaped area with the gradually increased rotating radius from the front end to the rear end under the rotating condition of a roller body 34), so that the position state with the smallest rotating radius, when the first tool bit 22 is blocked and slides to the rear end against the pre-tightening force of the spring seat 41, the rotating radius of the second tool bit 23 is reduced (the rotating area is reduced) through the linkage of the first connecting rod 6, so that the contact area of the second tool bit 23 and an obstacle is reduced, and the stress is reduced; further, the first connecting rod 6 is folded towards the axial lead direction of the driving rod 21, the front end of the roller body 34 is linked to move towards the axial lead direction far away from the driving rod 21 through the second connecting rod 7 (the grinding gap between the front end of the roller body 34 and the inner cylinder 32 is increased, and the inlet of the grinding gap is also enlarged), so that the particle obstacles generated in the operation process of the second cutter head 23 enter from the inlet of the grinding gap to be ground, on one hand, larger obstacles can be ground, on the other hand, the grinding gap tends to be gradually increased from the front end to the rear end, so that the obstacles are fully ground, the contact area is effectively prevented from being small in the grinding process, the roller body 34 or the inner cylinder 32 is damaged due to large acting force, and the ground obstacles enter the material port 311 from the tail end of the grinding gap and are discharged out of the outside through the spiral feeding blade 51.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The jacking pipe jacking equipment is characterized in that: the pipe pushing machine comprises a pipe pushing machine body (1), a cutter head mechanism (2) which is in transmission connection with the pipe pushing machine body (1) and has a variable rotation radius, a crushing mechanism (3) which follows the cutter head mechanism (2), and a feeding mechanism which conveys obstacles after the crushing mechanism (3) is crushed;
the cutter head mechanism (2) is linked with the crushing mechanism (3) in the process of increasing the rotating radius, and the material grinding gap of the crushing mechanism (3) is reduced;
the cutter head mechanism (2) is linked with the crushing mechanism (3) in the process of reducing the rotating radius, and the material grinding gap of the crushing mechanism (3) is increased.
2. The jacking pipe jacking equipment according to claim 1, wherein: the cutter head mechanism (2) comprises a driving rod (21), a first cutter head (22), a second cutter head (23) and a pre-tightening mechanism (4), and the push bench body (1) is in transmission connection with the driving rod (21) and drives the driving rod (21) to rotate;
the first cutter head (22) is arranged at the front end of the driving rod (21) in an extending mode and slides along the axial direction of the driving rod (21), the second cutter head (23) is hinged to the front end of the driving rod (21), and the second cutter head (23) is in transmission connection with the first cutter head (22) through a first connecting rod (6);
rubbing crusher constructs (3) including the cover establish in fixed cover (31) in the actuating lever (21) outside, with inner tube (32) that fixed cover (31) are connected, urceolus (33) and roll body (34) of rotating connection on fixed cover (31), roll body (34) one end articulates on fixed cover (31) to the other end articulates the central point in head rod (6) through a second connecting rod (7) and puts, roll body (34) set up between urceolus (33) and inner tube (32), and inner tube (32) with form between roll body (34) grind the material clearance.
3. The jacking pipe jacking equipment according to claim 2, wherein: the first cutter head (22) has an initial position state and a maximum position state of axial backward sliding, and the pre-tightening mechanism (4) enables the first cutter head (22) to always have the trend of the initial position state;
when the first cutter head (22) is in an initial position state, the first connecting rod (6) is linked with the position state of the second cutter head (23) with the maximum rotating radius, and the second connecting rod (7) is linked with the roller body (34) to enable the grinding gap to be in a minimum state;
when the first cutter head (22) is in the maximum position state of sliding backwards in the axial direction, the position state that the second cutter head (23) has the minimum rotating radius is linked through the first connecting rod (6), and the grinding gap is in the maximum state through the linkage of the second connecting rod (7) and the roller body (34).
4. A jacking pipe jacking equipment according to claim 3, wherein: the first cutter head (22) and the driving rod (21) rotate synchronously, an extending section (221) is arranged on the first cutter head (22), and the other end of the extending section (221) is matched with the output end of the pre-tightening mechanism (4);
one end of the second tool bit (23) is hinged to the front end of the driving rod (21), the other end of the second tool bit is hinged to the first connecting rod (6), and the other end of the first connecting rod (6) is hinged to the moving end of the pre-tightening mechanism (4).
5. The jacking pipe jacking equipment according to claim 4, wherein: the driving rod (21) is provided with a hole body (211), the pre-tightening mechanism (4) comprises a spring seat (41) arranged in the hole body (211) and a first bearing seat (42) fixed to one end of the spring seat (41), the extending section (221) extends into the hole body (211) to abut against the fixed end of the first bearing seat (42), and the rotating end of the first bearing seat (42) is hinged to the first connecting rod (6).
6. The jacking pipe jacking equipment according to claim 5, wherein: the driving rod (21) is provided with a straight notch (212) corresponding to the spring seat (41), a connecting piece is arranged at the rotating end of the first bearing seat (42), and the connecting piece extends to the outer side of the straight notch (212) and is hinged to the tail end of the first connecting rod (6).
7. The jacking pipe jacking equipment according to claim 6, wherein: still be provided with second bearing frame (213) on actuating lever (21), the stiff end of second bearing frame (213) is connected fixed cover (31) and inner tube (32), the rotation end of second bearing frame (213) is connected actuating lever (21).
8. The jacking pipe jacking equipment according to claim 7, wherein: and a third bearing seat (8) is installed on the fixed sleeve (31), and the rotating end of the third bearing seat (8) is connected with the outer cylinder (33) and the roller body (34).
9. The jacking pipe jacking equipment according to claim 8, wherein: third bearing frame (8) extend and are provided with intermediate junction spare (81), intermediate junction spare (81) with roll body (34) one end is articulated, constitute between roll body (34) and inner tube (32) grind the material clearance, and grind the material clearance and have the trend towards the direction interval crescent of first tool bit (22).
10. The jacking pipe jacking equipment according to claim 9, wherein: be provided with the intercommunication on fixed cover (31) material mouth (311) in the clearance of grinding, material mouth (311) are located fixed cover (31) between third bearing frame (8) and inner tube (32) to form the transmission path who communicates material mouth (311) between fixed cover (31) and actuating lever (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572955.XA CN111457159B (en) | 2020-06-22 | 2020-06-22 | Jacking pipe jacking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572955.XA CN111457159B (en) | 2020-06-22 | 2020-06-22 | Jacking pipe jacking equipment |
Publications (2)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113145244A (en) * | 2021-04-02 | 2021-07-23 | 长江生态环保集团有限公司 | Universal crushing head and method for flexible and rigid pipe construction by pipe cracking method |
| CN113565516A (en) * | 2021-08-27 | 2021-10-29 | 江苏雷威建设工程有限公司 | Pipe jacking operation device |
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| CN111457159B (en) | 2020-09-15 |
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