CN217327227U

CN217327227U - Mast fixing mechanism and under-pressure operation machine

Info

Publication number: CN217327227U
Application number: CN202221112928.5U
Authority: CN
Inventors: 王鑫; 赵志成; 王建伟; 王丰良; 刘悦蕾
Original assignee: Tianjin Bohai Jerry Petroleum Equipment Co ltd
Current assignee: Tianjin Bohai Jerry Petroleum Equipment Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-30
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a mast fixed establishment and area press workover rig, wherein mast fixed establishment includes: the first connecting mechanism comprises a first connecting piece and a second connecting piece; the first connecting piece can be movably arranged on the first connecting piece along a first direction; the first connecting piece comprises an adjusting part used for adjusting the length of the first connecting piece in the second direction; the second connecting mechanism comprises a third connecting piece and a fourth connecting piece; the fourth connecting piece can be movably arranged on the third connecting piece along the first direction; the mast fixing mechanism comprises a second connecting mechanism and one or more first connecting mechanisms; a second connection mechanism and one or more first connection mechanisms are arranged along the length of the mast. Compared with the prior art, the mast fixing mechanism enables the installation position and the installation angle of the mast to be adjustable, is used for the machine body and the mast of the belt pressure operation machine, and can realize centering adjustment of the mast.

Description

Mast fixing mechanism and under-pressure operation machine

Technical Field

The application relates to the technical field of special operation equipment, in particular to a mast fixing mechanism and an under-pressure operation machine.

Background

The operation technology under pressure does not need the operation procedures such as well killing, open flow and the like, has high operation efficiency, low comprehensive cost and good environmental protection, and is more and more generally applied in the technical field of well drilling and repairing.

The mast is one of important structural parts which are used for hoisting a single oil pipe and a downhole tool on the under-pressure operation machine, a lifting hook which is used for hoisting or lowering the single oil pipe and the downhole tool is arranged on the mast, and the effect of centering the lifting hook with the center of a wellhead in a free-drooping state directly influences the buckling performance of the single oil pipe and a pipe column in the wellhead.

In the construction operation, the problem that the center of the lifting hook is not concentric with the center of the wellhead often occurs, so that the operator is difficult to centralize the oil pipe, the oil pipe cannot be normally unscrewed, and the underground operation tools are damaged.

The reason for misalignment between the center of the lifting hook and the center of the wellhead mainly comprises: the mast and the whole machine are poor in machining and manufacturing precision, the ground of a construction wellhead inclines or sinks, the center of a winch lifting hook and the center of the wellhead have displacement and angle deviation after equipment is installed, the height of the whole machine is higher, the telescopic length of the mast is longer, and the lifting hook deviates from the center of the wellhead more obviously.

At present, masts of a plurality of manufacturers do not have displacement and angle adjustment functions or only have simple angle adjustment functions, the adjustment effect is not obvious, and good centering of a lifting hook and the center of a wellhead still cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mast fixing mechanism and area press operation machine for fix the mast to the base, mast fixing mechanism includes first coupling mechanism and the second coupling mechanism that is used for connecting mast and base, first coupling mechanism makes the mounted position of mast can adjust in first direction and second direction, second coupling mechanism makes the mounted position of mast adjust in the first direction; the installation angle of the mast can be adjusted by combining the first connecting mechanism and the second connecting mechanism; thereby solve the problem that the mast among the prior art does not possess displacement and angle modulation function, help realizing the good centering of the lifting hook of mast and well head center.

The utility model provides a pair of mast fixing mechanism for be fixed in the base with the mast, include:

the first connecting mechanism comprises a first connecting piece and a second connecting piece; the first connecting piece is fixedly arranged on the base; one end of the second connecting piece is fixedly arranged on the mast, and the other end of the second connecting piece is movably arranged on the first connecting piece along a first direction; the first connecting piece comprises an adjusting part used for adjusting the length of the first connecting piece in the second direction; and the number of the first and second groups,

the second connecting mechanism comprises a third connecting piece and a fourth connecting piece; the third connecting piece is fixedly arranged on the base; one end of the fourth connecting piece is fixedly arranged on the mast, and the other end of the fourth connecting piece is movably arranged on the third connecting piece along the first direction;

the mast fixing mechanism comprises one second connecting mechanism and one or more first connecting mechanisms; the one second connection mechanism and one or more of the first connection mechanisms are arranged along a length of the mast.

Optionally, the second connection mechanism is close to the working end of the mast relative to the first connection mechanism.

Optionally, the first connecting piece is provided with a first sliding rod extending along the first direction; the second connecting piece is slidably mounted to the first slide bar.

Optionally, the third connecting piece is provided with a second sliding rod extending along the first direction; the fourth link is slidably mounted to the second slide bar.

Optionally, the diameter of the first slide is larger than the diameter of the second slide.

Optionally, the first connecting mechanism is provided with a first driving element, and is used for driving the second connecting element to move along the first sliding rod;

and/or the second connecting mechanism is provided with a second driving piece for driving the fourth connecting piece to move along the second sliding rod.

Optionally, the first connecting piece includes a first portion and a second portion arranged along the second direction; the first part and the second part are connected through the adjusting part; the adjusting portion may adjust a spacing between the first portion and the second portion.

Optionally, the adjusting part comprises a first screw rod, a second screw rod and an adjusting sleeve; the first screw rod and the second screw rod are respectively arranged on the first part and the second part; the first screw rod and the second screw rod are coaxially arranged along the second direction; the rotating directions of the first screw rod and the second screw rod are opposite; and two ends of the adjusting sleeve are respectively in threaded connection with the first screw rod and the second screw rod.

Optionally, the first connecting piece further comprises a guide part, the guide part is arranged along the second direction and comprises a third guide sleeve and a guide rod which are sleeved with each other; one end of the guide part is connected with the first part; the other end of the guide part is connected with the second part; the guide part is also provided with a limiting part for limiting the telescopic degree of the guide part.

The utility model also provides a belt press working machine, which comprises a machine body and the mast arranged on the machine body; the machine body is connected with the mast through the mast fixing mechanism.

The utility model also provides a belt pressing working machine, which comprises a machine body and the mast arranged on the machine body; the machine body is connected with the mast through the mast fixing mechanism.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the mast fixing mechanism comprises a first connecting mechanism and a second connecting mechanism which are used for connecting the mast and the base, the first connecting mechanism enables the installation position of the mast to be adjusted in the first direction and the second direction, and the second connecting mechanism enables the installation position of the mast to be adjusted in the first direction; the installation angle of the mast can be adjusted by combining the first connecting mechanism and the second connecting mechanism; thereby solve the problem that the mast among the prior art does not possess displacement and angular adjustment function, help realizing the good centering at lifting hook and well head center of mast.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a perspective view of the mast fixing mechanism provided in embodiment 1 of the present application.

Fig. 2 is a schematic view of an installation manner of the second connecting member and the fourth connecting member of the mast fixing mechanism provided in embodiment 1 of the present application.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a perspective view of a first connection mechanism of the mast fixing mechanism provided in embodiment 1 of the present application.

Fig. 5 is an assembly view of a three-dimensional structure of the first connection mechanism of the mast fixing mechanism provided in embodiment 1 of the present application.

Fig. 6 is a perspective view of a first lead screw of the mast fixing mechanism provided in embodiment 1 of the present application.

Fig. 7 is a perspective view of a second connection mechanism of the mast fixing mechanism according to embodiment 1 of the present application.

Fig. 8 is a perspective view of the mast fixing mechanism provided in embodiment 2 of the present application.

Fig. 9 is a schematic structural view of the band pressure working machine according to embodiment 3 of the present application.

Description of the drawings: 100. a body; 200. a mast; 300. a mast fixing mechanism; 1. a first connecting mechanism; 11. a first connecting member; 111. a first slide bar; 112. a first driving member; 1121. a first push rod; 1122. a first rotary joint; 113. a first portion; 1131. a first support arm; 1132. a first connecting arm; 1133. a first fixing member; 1134. an assembly hole; 114. a second portion; 1141. a second support arm; 1142. a second connecting arm; 1143. a first mounting plate; 115. an adjustment section; 1151. a first lead screw; 11511. a limiting part; 1152. a second lead screw; 1153. an adjusting sleeve; 1154. a nut; 116. a guide portion; 1161. a third guide sleeve; 11611. a strip-shaped hole; 1162. a guide rod; 11621. a through hole; 1163. a limiting member; 12. a second connecting member; 121. a first guide hole; 122. a first guide sleeve; 2. a second connecting mechanism; 21. a third connecting member; 201. a hook; 211. a second slide bar; 212. a second driving member; 2121. a second push rod; 2122. a second rotary joint; 213. a second fixing member; 214. a third support arm; 215. a third connecting arm; 216. a second mounting plate; 22. and a fourth connecting piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1:

referring to fig. 1 to 7, in the present embodiment, the mast fixing mechanism includes one second connecting mechanism 2 and one or more first connecting mechanisms 1;

one said second connection mechanism 2 and one or more said first connection mechanisms 1 are arranged along the length direction of said mast 200; the second connecting mechanism 2 is close to the working end of the mast 200 relative to the first connecting mechanism 1;

referring to fig. 4 and 5, the first connecting mechanism 1 includes a first connecting member 11 and a second connecting member 12; the first connecting piece 11 is fixedly arranged on the base; one end of the second connecting member 12 is fixedly mounted on the mast 200, and the other end thereof is movably mounted on the first connecting member 11 along a first direction; the first link 11 includes an adjustment portion 115 for adjusting a length of the first link 11 in the second direction. The first direction is an X-axis direction shown in fig. 1, and the second direction is a Y-axis direction shown in fig. 1. The base is a machine body 100 (or referred to as a working device) that performs work under pressure.

Referring to fig. 7, the second connecting mechanism 2 includes a third connecting member 21 and a fourth connecting member 22; the third connecting piece 21 is fixedly arranged on the working device; one end of the fourth connecting member 22 is fixedly mounted to the mast 200, and the other end thereof is movably mounted to the third connecting member 21 along the first direction.

In the present embodiment, one second connection mechanism 2 and one or more first connection mechanisms 1 are arranged along the length direction of the mast 200; the second connecting mechanism 2 is close to the working end of the mast 200; the installation position and angle of the mast 200 are adjusted by adjusting the first connecting mechanism 1 and the second connecting mechanism 2 in the following way:

adjusting the position of the second connector 12 in the first direction while adjusting the position of the fourth connector 22 in the first direction enables adjusting the position of the mast 200 in the first direction.

The second connecting member 12 is fixed, and the length of the first connecting member 11 in the second direction is adjusted by the adjusting portion 115; thereby enabling adjustment of the angle of the mast 200.

Further, the first direction is perpendicular to the length direction of the mast 200.

Further, the second direction is perpendicular to the length direction of the mast 200.

Further, referring to fig. 1, the first direction is perpendicular to the second direction.

It should be understood that the work implement may be a belt press or other large work implement.

In an alternative embodiment, refer to fig. 4; the first connecting piece 11 is provided with a first sliding rod 111 extending along the first direction; the second connecting piece 12 is slidably mounted on the first sliding rod 111; referring to fig. 7, the third connector 21 is mounted with a second slide bar 211 extending in the first direction; the fourth connector 22 is slidably mounted to the second slide bar 211.

Further, the first connecting element 11 is provided with a first guiding hole 121 opposite to the first sliding rod 111; the first connecting piece 11 is slidably assembled on the first sliding rod 111 through the first guide hole 121; the fourth connecting element 22 is provided with a second guiding hole opposite to the second sliding rod 211, and the fourth connecting element 22 is slidably mounted on the second sliding rod 211 through the second guiding hole.

Further, the first connecting member 11 is provided with a first guide sleeve 122, and the first guide sleeve 122 is coaxially arranged with the first guide hole 121; the first slide bar 111 passes through the first guide hole 121; a second guide sleeve is mounted on the fourth connecting piece 22, the second guide sleeve and the second guide hole are coaxially arranged, and the second sliding rod 211 penetrates through the second guide sleeve; the first guide sleeve 122 and the second guide sleeve both function as a reinforcing structure.

Further, the first slide bar 111 and the second slide bar 211 are both round bars.

With reference to fig. 1, it is evident that the second connection means 2 also function to support the mast 200 compared to the first connection means 1; therefore, in an alternative embodiment, the diameter of the first slide bar 111 is larger than the diameter of the second slide bar 211.

In order to facilitate the adjustment of the position of the mast 200 in the first direction, in an alternative embodiment, the first connecting mechanism 1 is provided with a first driving member 112 for driving the second connecting member 12 to move along the first sliding bar 111; and/or, the second connecting mechanism 2 is provided with a second driving element 212 for driving the fourth connecting element 22 to move along the second sliding rod 211.

In an alternative embodiment, the first driving member 112 is a linear driving device, which includes a first pushing rod 1121 movable along the first direction; the first pushing rod 1121 is connected to the second connecting member 12 through a first rotating joint 1122; the first pushing rod 1121 drives the second connecting member 12 to move along the first sliding bar 111. The second driving member 212 is also a linear driving device, which includes a second push rod 2121 movable along the first direction; the second push rod 2121 is connected with the fourth connecting piece 22 through a second rotating joint 2122; the second push rod 2121 drives the fourth connecting element 22 to move along the second sliding bar 211.

Further, the first pushing rod 1121 is parallel to the first sliding bar 111; the second push rod 2121 is parallel to the second slide bar 211.

Further, the first connecting mechanism 1 is provided with a first fixing member 1133, and one end of the first driving member 112 is hinged to the first fixing member 1133; the other end of the first driving member 112 is connected to the second connecting member 12 through the first rotary joint 1122; the second connecting mechanism 2 is provided with a second fixing member 213, one end of the second driving member 212 is hinged to the second fixing member 213, and the other end of the second driving member 212 is connected to the fourth connecting member 22 through the second rotating joint 2122.

Further, one end of the first rotating joint 1122 is rotatably mounted at one end of the first pushing rod 1121, and the other end of the first rotating joint 1122 is hinged to the second connecting member 12; one end of the second rotating joint 2122 is rotatably mounted at one end of the second push rod 2121, and the other end of the second rotating joint 2122 is hinged to the fourth connecting element 22.

Further, the first driving member 112 and the second driving member 212 are electric push rods or air cylinders or hydraulic cylinders or other types of linear driving devices.

In an alternative embodiment, the first connecting member 11 comprises a first portion 113 and a second portion 114 arranged along the second direction; the first portion 113 and the second portion 114 are connected by the regulating portion 115; the adjusting portion 115 may adjust the interval between the first portion 113 and the second portion 114; by adjusting the distance between the first portion 113 and the second portion 114, the length of the first connecting member 11 in the second direction is adjusted. In this embodiment, the first sliding rod 111 and the second sliding rod 211 are both round rods, the second connecting element 12 can rotate around the first sliding rod 111, and the fourth connecting element 22 can rotate around the second sliding rod 211, and since the first connecting element 11 is located at a position away from the working end of the mast 200, when the length of the first connecting element 11 is adjusted, the mast 200 can rotate around the second sliding rod 211 of the second connecting mechanism 2, so as to adjust the angle of the mast 200.

In an alternative embodiment, referring to fig. 5, the adjustment portion 115 includes a first lead screw 1151, a second lead screw 1152, and an adjustment sleeve 1153; the first lead screw 1151 and the second lead screw 1152 are respectively mounted on the first portion 113 and the second portion 114; the first lead screw 1151 and the second lead screw 1152 are coaxially arranged along the second direction; the rotating directions of the first lead screw 1151 and the second lead screw 1152 are opposite; both ends of the adjusting sleeve 1153 are respectively screwed with the first lead screw 1151 and the second lead screw 1152. The spacing between the first and

second portions

113, 114 is adjusted by rotating the adjustment sleeve 1153.

In an alternative embodiment, the first portion 113 includes a first support arm 1131 and a first connection arm 1132; the two first connecting arms 1132 are respectively and fixedly installed at two opposite ends of the first supporting arm 1131; the two first connection arms 1132 are arranged in parallel; the extending direction of the two first connecting arms 1132 is perpendicular to the extending direction of the first support arm 1131; two ends of the first sliding rod 111 are respectively mounted on the two first connection arms 1132; the second portion 114 includes a second supporting arm 1141 and a second connecting arm 1142, and the second connecting arm 1142 is half mounted at two ends of the second supporting arm 1141; the two second connecting arms 1142 are arranged in parallel; the extending direction of the two second connecting arms 1142 is perpendicular to the extending direction of the second supporting arm 1141.

The first lead screw 1151 includes a stopper 11511 connected to one end thereof; the limiting part 11511 is of a polygonal plate-shaped structure; one end of the first lead screw 1151 is perpendicular to the limiting part 11511; the first support arm 1131 is provided with an assembly hole 1134 opposite to the first lead screw 1151; one end of the first lead screw 1151 passes through the assembly hole 1134 and is fixed by a nut 1154; the first support arm 1131 is provided with an assembly groove coaxial with the assembly hole 1134; the assembly hole 1134 is arranged at the bottom of the assembly groove; the fitting groove is formed corresponding to the shape of the limiting portion 11511, and when the first lead screw 1151 is fitted into the fitting hole 1134, the limiting portion 11511 is fitted into the fitting groove to prevent the first lead screw 1151 from rotating after being fitted; the second lead screw 1152 is fixedly mounted on the second connecting arm 1142.

A first mounting plate 1143 is mounted on the second connecting arm 1142, and is fixedly connected to the working device via the first mounting plate 1143.

Further, the first mounting plate 1143 has a connection portion hinged to the second connection arm 1142, so that the angle of the first mounting plate 1143 can be changed.

In an alternative embodiment, the adjustment sleeve 1153 is a multi-prismatic post to facilitate the operator in rotating the adjustment sleeve 1153.

In an alternative embodiment, the first portion 113 and the second portion 114 are connected by at least two sets 1153 of adjustment sleeves. Preferably, the first portion 113 and the second portion 114 are connected by two sets of adjusting sleeves 1153; two sets of said adjustment sleeves 1153 are arranged symmetrically.

In an alternative embodiment, the first connecting member 11 further includes a guiding portion 116, the guiding portion 116 is disposed along the second direction, and includes a third guiding sleeve 1161 and a guiding rod 1162; one end of the guide portion 116 is connected to the first portion 113; the other end of the guide 116 is connected to the second portion 114; the guide portion 116 is further provided with a limiting member 1163 for limiting the extension degree of the guide portion 116.

Further, one end of the third guide sleeve 1161 is mounted on the first support arm 1131, and the other end of the third guide sleeve 1161 is correspondingly assembled with one end of the guide rod 1162; the other end of the guide rod 1162 is mounted to the second support arm 1141.

Further, the third guide sleeve 1161 is provided with a strip-shaped hole 11611 along the length direction thereof; the bar hole 11611 extends along the second direction, and the guide bar 1162 is provided with a through hole 11621 opposite to the bar hole 11611; the limiting member 1163 may be a bolt, the bolt passes through the bar hole 11611, and a lower portion of the bolt is installed in the through hole 11621 to limit a displacement distance of the guide rod 1162 relative to the third guide sleeve 1161.

Further, the inner surface of the through hole 11621 is provided with internal threads; the lower position of the latch is provided with an external thread with respect to the internal thread of the through hole 11621.

Further, the first connecting mechanism 1 is provided with a plurality of the guide portions 116.

In an alternative embodiment, said third connecting member 21 of said second connecting mechanism 2 comprises a third supporting arm 214 and a third connecting arm 215; two third connecting arms 215 are arranged, the two third connecting arms 215 are respectively installed at two ends of the third supporting arm 214, the two third connecting arms 215 are arranged in parallel, and the extending direction of the two third connecting arms 215 is perpendicular to the extending direction of the third supporting arm 214; two ends of the second sliding bar 211 are respectively mounted on the two third connecting arms 215; the connection position of the second sliding rod 211 and the third connecting arm 215 is located at one end of the third connecting arm 215, a second mounting plate 216 is disposed at the other end of the third connecting arm 215, and the third connecting member 21 is mounted on the working device through the second mounting plate 216.

Example 2:

referring to fig. 8, the mast fixing mechanism includes a first connecting mechanism 1 including a first connecting member 11 and a second connecting member 12; the first connecting piece 11 is fixedly arranged on the operation device; one end of the second connecting piece 12 is fixedly arranged on the mast 200, and the other end thereof can be movably arranged on the first connecting piece 11 along a first direction x; the first link 11 includes an adjustment portion 115 for adjusting a length of the first link 11 in the second direction.

The difference from the embodiment 1 is that, in the present embodiment, the mast fixing mechanism includes a plurality of the first connecting mechanisms 1; the first connection mechanisms 1 are arranged in a longitudinal direction of the mast 200.

Other features of this embodiment 2 are the same as those of embodiment 1.

In this embodiment, the mounting position of the mast 200 in the first direction is adjusted by simultaneously adjusting the positions of the second links 12 of the plurality of first link mechanisms 1 in the first direction.

In the present embodiment, the installation angle of the mast 200 is adjusted by adjusting the length of the first connection mechanism 1 in the second direction.

Example 3

Referring to fig. 9, the present embodiment provides a belt press working machine, including a machine body 100 and a mast 200 mounted on the machine body 100; the body 100 and the mast 200 are connected by the mast fixing mechanism 300 according to

embodiments

1 and 2.

The working machine with pressure provided by the embodiment comprises the mast fixing mechanism 300, wherein the mast fixing mechanism 300 is connected with the machine body 100 and the mast 200; the mast fixing mechanism 300 can adjust the installation angle of the mast 200 at the installation position of the mast 200 in the first direction.

The under-pressure operation machine provided by the embodiment realizes centering adjustment of the mast 200 through the mast fixing mechanism 300, realizes continuous stepless adjustment of displacement and angle of the mast 200, quickly completes centering of the lifting hook 201 in a hoisting system, ensures that the lifting hook 201 at the operation end of the mast 200 is aligned with the center of a well mouth, is convenient for personnel to operate a pipe column to centralize, and effectively reduces the labor intensity of an operator to forcibly centralize an oil pipe, especially a large-diameter oil pipe; the problem that the oil pipe or the underground tool is damaged due to the fact that the lifting hook 201 deviates from the center of the wellhead is avoided; the problem of because of oil pipe inclination is too big, hydraulic tong can't go up the broken out is solved.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely exemplary of the present invention and is provided to enable those skilled in the art to understand and implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mast securing mechanism for securing a mast (200) to a base, comprising:

a first connecting mechanism (1) comprising a first connecting piece (11) and a second connecting piece (12); the first connecting piece (11) is fixedly arranged on the base; one end of the second connecting piece (12) is fixedly arranged on the mast (200), and the other end of the second connecting piece can be movably arranged on the first connecting piece (11) along a first direction; the first connecting member (11) includes an adjusting portion (115) for adjusting a length of the first connecting member (11) in a second direction; and the number of the first and second groups,

a second connecting mechanism (2) comprising a third connecting piece (21) and a fourth connecting piece (22); the third connecting piece (21) is fixedly arranged on the base; one end of the fourth connecting piece (22) is fixedly arranged on the mast (200), and the other end of the fourth connecting piece can be movably arranged on the third connecting piece (21) along the first direction;

the mast fixing mechanism comprises one second connecting mechanism (2) and one or more first connecting mechanisms (1); the one second connection mechanism (2) and one or more first connection mechanisms (1) are arranged along the length direction of the mast (200).

2. A mast fixing according to claim 1, wherein the second connection mechanism (2) is located close to the working end of the mast (200) relative to the first connection mechanism (1).

3. A mast fixing according to claim 1, characterized in that the first connecting member (11) is fitted with a first slide bar (111) extending in the first direction; the second link (12) is slidably mounted to the first slide bar (111).

4. A mast fixing mechanism according to claim 3, wherein the third link (21) is fitted with a second slide bar (211) extending in the first direction; the fourth link (22) is slidably mounted to the second slide bar (211).

5. A mast fixing according to claim 4, characterized in that the diameter of the first slide bar (111) is larger than the diameter of the second slide bar (211).

6. A mast fixing mechanism according to claim 5, characterized in that the first connection mechanism (1) is fitted with a first drive member (112) for driving the second link (12) along the first slide bar (111);

and/or a second driving piece (212) is arranged on the second connecting mechanism (2) and used for driving the fourth connecting piece (22) to move along the second sliding rod (211).

7. A mast fixing according to claim 1, wherein the first connection member (11) comprises a first portion (113) and a second portion (114) arranged in the second direction; the first portion (113) and the second portion (114) are connected by the adjustment portion (115); the adjusting portion (115) may adjust a distance between the first portion (113) and the second portion (114).

8. A mast fixing mechanism according to claim 7, wherein the adjusting portion (115) comprises a first lead screw (1151), a second lead screw (1152) and an adjusting sleeve (1153); the first and second lead screws (1151, 1152) are mounted to the first and second portions (113, 114), respectively; the first lead screw (1151) and the second lead screw (1152) are coaxially arranged along the second direction; the rotating directions of the first screw rod (1151) and the second screw rod (1152) are opposite; and two ends of the adjusting sleeve (1153) are respectively in threaded connection with the first screw rod (1151) and the second screw rod (1152).

9. A mast fixing mechanism according to claim 8, wherein the first connector (11) further comprises a guide (116), the guide (116) being arranged in the second direction and comprising a third guide sleeve (1161) and a guide bar (1162) nested therewith; one end of the guide portion (116) is connected to the first portion (113); the other end of the guide part (116) is connected with the second part (114); the guide part (116) is further provided with a limiting part (1163) for limiting the expansion degree of the guide part (116).

10. A belt press working machine, comprising a machine body (100) and a mast (200) mounted on the machine body (100); the body (100) and the mast (200) are connected by a mast securing mechanism (300) according to any one of claims 1-9.